prvm_cmds.c

   1 // AK
   2 // Basically every vm builtin cmd should be in here.
   3 // All 3 builtin and extension lists can be found here
   4 // cause large (I think they will) parts are from pr_cmds the same copyright like in pr_cmds
   5 // also applies here
   6
   7 #include "quakedef.h"
   8
   9 #include "prvm_cmds.h"
  10 #include "libcurl.h"
  11 #include <time.h>
  12
  13 #include "ft2.h"
  14
  15 extern cvar_t prvm_backtraceforwarnings;
  16
  17 // LordHavoc: changed this to NOT use a return statement, so that it can be used in functions that must return a value
  18 void VM_Warning(const char *fmt, ...)
  19 {
  20         va_list argptr;
  21         char msg[MAX_INPUTLINE];
  22         static double recursive = -1;
  23
  24         va_start(argptr,fmt);
  25         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
  26         va_end(argptr);
  27
  28         Con_Print(msg);
  29
  30         // TODO: either add a cvar/cmd to control the state dumping or replace some of the calls with Con_Printf [9/13/2006 Black]
  31         if(prvm_backtraceforwarnings.integer && recursive != realtime) // NOTE: this compares to the time, just in case if PRVM_PrintState causes a Host_Error and keeps recursive set
  32         {
  33                 recursive = realtime;
  34                 PRVM_PrintState();
  35                 recursive = -1;
  36         }
  37 }
  38
  39
  40 //============================================================================
  41 // Common
  42
  43 // TODO DONE: move vm_files and vm_fssearchlist to prvm_prog_t struct
  44 // TODO: move vm_files and vm_fssearchlist back [9/13/2006 Black]
  45 // TODO: (move vm_files and vm_fssearchlist to prvm_prog_t struct again) [2007-01-23 LordHavoc]
  46 // TODO: will this war ever end? [2007-01-23 LordHavoc]
  47
  48 void VM_CheckEmptyString (const char *s)
  49 {
  50         if (ISWHITESPACE(s[0]))
  51                 PRVM_ERROR ("%s: Bad string", PRVM_NAME);
  52 }
  53
  54 void VM_GenerateFrameGroupBlend(framegroupblend_t *framegroupblend, const prvm_edict_t *ed)
  55 {
  56         prvm_eval_t *val;
  57         // self.frame is the interpolation target (new frame)
  58         // self.frame1time is the animation base time for the interpolation target
  59         // self.frame2 is the interpolation start (previous frame)
  60         // self.frame2time is the animation base time for the interpolation start
  61         // self.lerpfrac is the interpolation strength for self.frame2
  62         // self.lerpfrac3 is the interpolation strength for self.frame3
  63         // self.lerpfrac4 is the interpolation strength for self.frame4
  64         // pitch angle on a player model where the animator set up 5 sets of
  65         // animations and the csqc simply lerps between sets)
  66         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame))) framegroupblend[0].frame = (int) val->_float;
  67         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) framegroupblend[1].frame = (int) val->_float;
  68         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame3))) framegroupblend[2].frame = (int) val->_float;
  69         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame4))) framegroupblend[3].frame = (int) val->_float;
  70         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) framegroupblend[0].start = val->_float;
  71         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) framegroupblend[1].start = val->_float;
  72         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame3time))) framegroupblend[2].start = val->_float;
  73         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame4time))) framegroupblend[3].start = val->_float;
  74         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) framegroupblend[1].lerp = val->_float;
  75         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac3))) framegroupblend[2].lerp = val->_float;
  76         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac4))) framegroupblend[3].lerp = val->_float;
  77         // assume that the (missing) lerpfrac1 is whatever remains after lerpfrac2+lerpfrac3+lerpfrac4 are summed
  78         framegroupblend[0].lerp = 1 - framegroupblend[1].lerp - framegroupblend[2].lerp - framegroupblend[3].lerp;
  79 }
  80
  81 // LordHavoc: quite tempting to break apart this function to reuse the
  82 //            duplicated code, but I suspect it is better for performance
  83 //            this way
  84 void VM_FrameBlendFromFrameGroupBlend(frameblend_t *frameblend, const framegroupblend_t *framegroupblend, const dp_model_t *model)
  85 {
  86         int sub2, numframes, f, i, k;
  87         int isfirstframegroup = true;
  88         int nolerp;
  89         double sublerp, lerp, d;
  90         const animscene_t *scene;
  91         const framegroupblend_t *g;
  92         frameblend_t *blend = frameblend;
  93
  94         memset(blend, 0, MAX_FRAMEBLENDS * sizeof(*blend));
  95
  96         if (!model || !model->surfmesh.isanimated)
  97         {
  98                 blend[0].lerp = 1;
  99                 return;
 100         }
 101
 102         nolerp = (model->type == mod_sprite) ? !r_lerpsprites.integer : !r_lerpmodels.integer;
 103         numframes = model->numframes;
 104         for (k = 0, g = framegroupblend;k < MAX_FRAMEGROUPBLENDS;k++, g++)
 105         {
 106                 f = g->frame;
 107                 if ((unsigned int)f >= (unsigned int)numframes)
 108                 {
 109                         Con_DPrintf("VM_FrameBlendFromFrameGroupBlend: no such frame %d in model %s\n", f, model->name);
 110                         f = 0;
 111                 }
 112                 d = lerp = g->lerp;
 113                 if (lerp <= 0)
 114                         continue;
 115                 if (nolerp)
 116                 {
 117                         if (isfirstframegroup)
 118                         {
 119                                 d = lerp = 1;
 120                                 isfirstframegroup = false;
 121                         }
 122                         else
 123                                 continue;
 124                 }
 125                 if (model->animscenes)
 126                 {
 127                         scene = model->animscenes + f;
 128                         f = scene->firstframe;
 129                         if (scene->framecount > 1)
 130                         {
 131                                 // this code path is only used on .zym models and torches
 132                                 sublerp = scene->framerate * (cl.time - g->start);
 133                                 f = (int) floor(sublerp);
 134                                 sublerp -= f;
 135                                 sub2 = f + 1;
 136                                 if (sublerp < (1.0 / 65536.0f))
 137                                         sublerp = 0;
 138                                 if (sublerp > (65535.0f / 65536.0f))
 139                                         sublerp = 1;
 140                                 if (nolerp)
 141                                         sublerp = 0;
 142                                 if (scene->loop)
 143                                 {
 144                                         f = (f % scene->framecount);
 145                                         sub2 = (sub2 % scene->framecount);
 146                                 }
 147                                 f = bound(0, f, (scene->framecount - 1)) + scene->firstframe;
 148                                 sub2 = bound(0, sub2, (scene->framecount - 1)) + scene->firstframe;
 149                                 d = sublerp * lerp;
 150                                 // two framelerps produced from one animation
 151                                 if (d > 0)
 152                                 {
 153                                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 154                                         {
 155                                                 if (blend[i].lerp <= 0 || blend[i].subframe == sub2)
 156                                                 {
 157                                                         blend[i].subframe = sub2;
 158                                                         blend[i].lerp += d;
 159                                                         break;
 160                                                 }
 161                                         }
 162                                 }
 163                                 d = (1 - sublerp) * lerp;
 164                         }
 165                 }
 166                 if (d > 0)
 167                 {
 168                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 169                         {
 170                                 if (blend[i].lerp <= 0 || blend[i].subframe == f)
 171                                 {
 172                                         blend[i].subframe = f;
 173                                         blend[i].lerp += d;
 174                                         break;
 175                                 }
 176                         }
 177                 }
 178         }
 179 }
 180
 181 void VM_UpdateEdictSkeleton(prvm_edict_t *ed, const dp_model_t *edmodel, const frameblend_t *frameblend)
 182 {
 183         if (ed->priv.server->skeleton.model != edmodel)
 184         {
 185                 VM_RemoveEdictSkeleton(ed);
 186                 ed->priv.server->skeleton.model = edmodel;
 187         }
 188         if (!ed->priv.server->skeleton.relativetransforms && ed->priv.server->skeleton.model && ed->priv.server->skeleton.model->num_bones)
 189                 ed->priv.server->skeleton.relativetransforms = Mem_Alloc(prog->progs_mempool, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 190         if (ed->priv.server->skeleton.relativetransforms)
 191         {
 192                 int skeletonindex = 0;
 193                 skeleton_t *skeleton;
 194                 prvm_eval_t *val;
 195                 if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.skeletonindex))) skeletonindex = (int)val->_float;
 196                 if (skeletonindex > 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones)
 197                 {
 198                         // custom skeleton controlled by the game (FTE_CSQC_SKELETONOBJECTS)
 199                         memcpy(ed->priv.server->skeleton.relativetransforms, skeleton->relativetransforms, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 200                 }
 201                 else
 202                 {
 203                         // generated skeleton from frame animation
 204                         int blendindex;
 205                         int bonenum;
 206                         int numbones = ed->priv.server->skeleton.model->num_bones;
 207                         const float *poses = ed->priv.server->skeleton.model->data_poses;
 208                         const float *framebones;
 209                         float lerp;
 210                         matrix4x4_t *relativetransforms = ed->priv.server->skeleton.relativetransforms;
 211                         matrix4x4_t matrix;
 212                         memset(relativetransforms, 0, numbones * sizeof(matrix4x4_t));
 213                         for (blendindex = 0;blendindex < MAX_FRAMEBLENDS && frameblend[blendindex].lerp > 0;blendindex++)
 214                         {
 215                                 lerp = frameblend[blendindex].lerp;
 216                                 framebones = poses + 12 * frameblend[blendindex].subframe * numbones;
 217                                 for (bonenum = 0;bonenum < numbones;bonenum++)
 218                                 {
 219                                         Matrix4x4_FromArray12FloatD3D(&matrix, framebones + 12 * bonenum);
 220                                         Matrix4x4_Accumulate(&ed->priv.server->skeleton.relativetransforms[bonenum], &matrix, lerp);
 221                                 }
 222                         }
 223                 }
 224         }
 225 }
 226
 227 void VM_RemoveEdictSkeleton(prvm_edict_t *ed)
 228 {
 229         if (ed->priv.server->skeleton.relativetransforms)
 230                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 231         memset(&ed->priv.server->skeleton, 0, sizeof(ed->priv.server->skeleton));
 232 }
 233
 234
 235
 236
 237 //============================================================================
 238 //BUILT-IN FUNCTIONS
 239
 240 void VM_VarString(int first, char *out, int outlength)
 241 {
 242         int i;
 243         const char *s;
 244         char *outend;
 245
 246         outend = out + outlength - 1;
 247         for (i = first;i < prog->argc && out < outend;i++)
 248         {
 249                 s = PRVM_G_STRING((OFS_PARM0+i*3));
 250                 while (out < outend && *s)
 251                         *out++ = *s++;
 252         }
 253         *out++ = 0;
 254 }
 255
 256 /*
 257 =================
 258 VM_checkextension
 259
 260 returns true if the extension is supported by the server
 261
 262 checkextension(extensionname)
 263 =================
 264 */
 265
 266 // kind of helper function
 267 static qboolean checkextension(const char *name)
 268 {
 269         int len;
 270         char *e, *start;
 271         len = (int)strlen(name);
 272
 273         for (e = prog->extensionstring;*e;e++)
 274         {
 275                 while (*e == ' ')
 276                         e++;
 277                 if (!*e)
 278                         break;
 279                 start = e;
 280                 while (*e && *e != ' ')
 281                         e++;
 282                 if ((e - start) == len && !strncasecmp(start, name, len))
 283                         return true;
 284         }
 285         return false;
 286 }
 287
 288 void VM_checkextension (void)
 289 {
 290         VM_SAFEPARMCOUNT(1,VM_checkextension);
 291
 292         PRVM_G_FLOAT(OFS_RETURN) = checkextension(PRVM_G_STRING(OFS_PARM0));
 293 }
 294
 295 /*
 296 =================
 297 VM_error
 298
 299 This is a TERMINAL error, which will kill off the entire prog.
 300 Dumps self.
 301
 302 error(value)
 303 =================
 304 */
 305 void VM_error (void)
 306 {
 307         prvm_edict_t    *ed;
 308         char string[VM_STRINGTEMP_LENGTH];
 309
 310         VM_VarString(0, string, sizeof(string));
 311         Con_Printf("======%s ERROR in %s:\n%s\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
 312         if (prog->globaloffsets.self >= 0)
 313         {
 314                 ed = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
 315                 PRVM_ED_Print(ed, NULL);
 316         }
 317
 318         PRVM_ERROR ("%s: Program error in function %s:\n%s\nTip: read above for entity information\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
 319 }
 320
 321 /*
 322 =================
 323 VM_objerror
 324
 325 Dumps out self, then an error message.  The program is aborted and self is
 326 removed, but the level can continue.
 327
 328 objerror(value)
 329 =================
 330 */
 331 void VM_objerror (void)
 332 {
 333         prvm_edict_t    *ed;
 334         char string[VM_STRINGTEMP_LENGTH];
 335
 336         VM_VarString(0, string, sizeof(string));
 337         Con_Printf("======OBJECT ERROR======\n"); // , PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string); // or include them? FIXME
 338         if (prog->globaloffsets.self >= 0)
 339         {
 340                 ed = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
 341                 PRVM_ED_Print(ed, NULL);
 342
 343                 PRVM_ED_Free (ed);
 344         }
 345         else
 346                 // objerror has to display the object fields -> else call
 347                 PRVM_ERROR ("VM_objecterror: self not defined !");
 348         Con_Printf("%s OBJECT ERROR in %s:\n%s\nTip: read above for entity information\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
 349 }
 350
 351 /*
 352 =================
 353 VM_print
 354
 355 print to console
 356
 357 print(...[string])
 358 =================
 359 */
 360 void VM_print (void)
 361 {
 362         char string[VM_STRINGTEMP_LENGTH];
 363
 364         VM_VarString(0, string, sizeof(string));
 365         Con_Print(string);
 366 }
 367
 368 /*
 369 =================
 370 VM_bprint
 371
 372 broadcast print to everyone on server
 373
 374 bprint(...[string])
 375 =================
 376 */
 377 void VM_bprint (void)
 378 {
 379         char string[VM_STRINGTEMP_LENGTH];
 380
 381         if(!sv.active)
 382         {
 383                 VM_Warning("VM_bprint: game is not server(%s) !\n", PRVM_NAME);
 384                 return;
 385         }
 386
 387         VM_VarString(0, string, sizeof(string));
 388         SV_BroadcastPrint(string);
 389 }
 390
 391 /*
 392 =================
 393 VM_sprint (menu & client but only if server.active == true)
 394
 395 single print to a specific client
 396
 397 sprint(float clientnum,...[string])
 398 =================
 399 */
 400 void VM_sprint (void)
 401 {
 402         client_t        *client;
 403         int                     clientnum;
 404         char string[VM_STRINGTEMP_LENGTH];
 405
 406         VM_SAFEPARMCOUNTRANGE(1, 8, VM_sprint);
 407
 408         //find client for this entity
 409         clientnum = (int)PRVM_G_FLOAT(OFS_PARM0);
 410         if (!sv.active  || clientnum < 0 || clientnum >= svs.maxclients || !svs.clients[clientnum].active)
 411         {
 412                 VM_Warning("VM_sprint: %s: invalid client or server is not active !\n", PRVM_NAME);
 413                 return;
 414         }
 415
 416         client = svs.clients + clientnum;
 417         if (!client->netconnection)
 418                 return;
 419
 420         VM_VarString(1, string, sizeof(string));
 421         MSG_WriteChar(&client->netconnection->message,svc_print);
 422         MSG_WriteString(&client->netconnection->message, string);
 423 }
 424
 425 /*
 426 =================
 427 VM_centerprint
 428
 429 single print to the screen
 430
 431 centerprint(value)
 432 =================
 433 */
 434 void VM_centerprint (void)
 435 {
 436         char string[VM_STRINGTEMP_LENGTH];
 437
 438         VM_SAFEPARMCOUNTRANGE(1, 8, VM_centerprint);
 439         VM_VarString(0, string, sizeof(string));
 440         SCR_CenterPrint(string);
 441 }
 442
 443 /*
 444 =================
 445 VM_normalize
 446
 447 vector normalize(vector)
 448 =================
 449 */
 450 void VM_normalize (void)
 451 {
 452         float   *value1;
 453         vec3_t  newvalue;
 454         double  f;
 455
 456         VM_SAFEPARMCOUNT(1,VM_normalize);
 457
 458         value1 = PRVM_G_VECTOR(OFS_PARM0);
 459
 460         f = VectorLength2(value1);
 461         if (f)
 462         {
 463                 f = 1.0 / sqrt(f);
 464                 VectorScale(value1, f, newvalue);
 465         }
 466         else
 467                 VectorClear(newvalue);
 468
 469         VectorCopy (newvalue, PRVM_G_VECTOR(OFS_RETURN));
 470 }
 471
 472 /*
 473 =================
 474 VM_vlen
 475
 476 scalar vlen(vector)
 477 =================
 478 */
 479 void VM_vlen (void)
 480 {
 481         VM_SAFEPARMCOUNT(1,VM_vlen);
 482         PRVM_G_FLOAT(OFS_RETURN) = VectorLength(PRVM_G_VECTOR(OFS_PARM0));
 483 }
 484
 485 /*
 486 =================
 487 VM_vectoyaw
 488
 489 float vectoyaw(vector)
 490 =================
 491 */
 492 void VM_vectoyaw (void)
 493 {
 494         float   *value1;
 495         float   yaw;
 496
 497         VM_SAFEPARMCOUNT(1,VM_vectoyaw);
 498
 499         value1 = PRVM_G_VECTOR(OFS_PARM0);
 500
 501         if (value1[1] == 0 && value1[0] == 0)
 502                 yaw = 0;
 503         else
 504         {
 505                 yaw = (int) (atan2(value1[1], value1[0]) * 180 / M_PI);
 506                 if (yaw < 0)
 507                         yaw += 360;
 508         }
 509
 510         PRVM_G_FLOAT(OFS_RETURN) = yaw;
 511 }
 512
 513
 514 /*
 515 =================
 516 VM_vectoangles
 517
 518 vector vectoangles(vector[, vector])
 519 =================
 520 */
 521 void VM_vectoangles (void)
 522 {
 523         VM_SAFEPARMCOUNTRANGE(1, 2,VM_vectoangles);
 524
 525         AnglesFromVectors(PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_PARM0), prog->argc >= 2 ? PRVM_G_VECTOR(OFS_PARM1) : NULL, true);
 526 }
 527
 528 /*
 529 =================
 530 VM_random
 531
 532 Returns a number from 0<= num < 1
 533
 534 float random()
 535 =================
 536 */
 537 void VM_random (void)
 538 {
 539         VM_SAFEPARMCOUNT(0,VM_random);
 540
 541         PRVM_G_FLOAT(OFS_RETURN) = lhrandom(0, 1);
 542 }
 543
 544 /*
 545 =========
 546 VM_localsound
 547
 548 localsound(string sample)
 549 =========
 550 */
 551 void VM_localsound(void)
 552 {
 553         const char *s;
 554
 555         VM_SAFEPARMCOUNT(1,VM_localsound);
 556
 557         s = PRVM_G_STRING(OFS_PARM0);
 558
 559         if(!S_LocalSound (s))
 560         {
 561                 PRVM_G_FLOAT(OFS_RETURN) = -4;
 562                 VM_Warning("VM_localsound: Failed to play %s for %s !\n", s, PRVM_NAME);
 563                 return;
 564         }
 565
 566         PRVM_G_FLOAT(OFS_RETURN) = 1;
 567 }
 568
 569 /*
 570 =================
 571 VM_break
 572
 573 break()
 574 =================
 575 */
 576 void VM_break (void)
 577 {
 578         PRVM_ERROR ("%s: break statement", PRVM_NAME);
 579 }
 580
 581 //============================================================================
 582
 583 /*
 584 =================
 585 VM_localcmd
 586
 587 Sends text over to the client's execution buffer
 588
 589 [localcmd (string, ...) or]
 590 cmd (string, ...)
 591 =================
 592 */
 593 void VM_localcmd (void)
 594 {
 595         char string[VM_STRINGTEMP_LENGTH];
 596         VM_SAFEPARMCOUNTRANGE(1, 8, VM_localcmd);
 597         VM_VarString(0, string, sizeof(string));
 598         Cbuf_AddText(string);
 599 }
 600
 601 static qboolean PRVM_Cvar_ReadOk(const char *string)
 602 {
 603         cvar_t *cvar;
 604         cvar = Cvar_FindVar(string);
 605         return ((cvar) && ((cvar->flags & CVAR_PRIVATE) == 0));
 606 }
 607
 608 /*
 609 =================
 610 VM_cvar
 611
 612 float cvar (string)
 613 =================
 614 */
 615 void VM_cvar (void)
 616 {
 617         char string[VM_STRINGTEMP_LENGTH];
 618         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 619         VM_VarString(0, string, sizeof(string));
 620         VM_CheckEmptyString(string);
 621         PRVM_G_FLOAT(OFS_RETURN) = PRVM_Cvar_ReadOk(string) ? Cvar_VariableValue(string) : 0;
 622 }
 623
 624 /*
 625 =================
 626 VM_cvar
 627
 628 float cvar_type (string)
 629 float CVAR_TYPEFLAG_EXISTS = 1;
 630 float CVAR_TYPEFLAG_SAVED = 2;
 631 float CVAR_TYPEFLAG_PRIVATE = 4;
 632 float CVAR_TYPEFLAG_ENGINE = 8;
 633 float CVAR_TYPEFLAG_HASDESCRIPTION = 16;
 634 float CVAR_TYPEFLAG_READONLY = 32;
 635 =================
 636 */
 637 void VM_cvar_type (void)
 638 {
 639         char string[VM_STRINGTEMP_LENGTH];
 640         cvar_t *cvar;
 641         int ret;
 642
 643         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 644         VM_VarString(0, string, sizeof(string));
 645         VM_CheckEmptyString(string);
 646         cvar = Cvar_FindVar(string);
 647
 648
 649         if(!cvar)
 650         {
 651                 PRVM_G_FLOAT(OFS_RETURN) = 0;
 652                 return; // CVAR_TYPE_NONE
 653         }
 654
 655         ret = 1; // CVAR_EXISTS
 656         if(cvar->flags & CVAR_SAVE)
 657                 ret |= 2; // CVAR_TYPE_SAVED
 658         if(cvar->flags & CVAR_PRIVATE)
 659                 ret |= 4; // CVAR_TYPE_PRIVATE
 660         if(!(cvar->flags & CVAR_ALLOCATED))
 661                 ret |= 8; // CVAR_TYPE_ENGINE
 662         if(cvar->description != cvar_dummy_description)
 663                 ret |= 16; // CVAR_TYPE_HASDESCRIPTION
 664         if(cvar->flags & CVAR_READONLY)
 665                 ret |= 32; // CVAR_TYPE_READONLY
 666
 667         PRVM_G_FLOAT(OFS_RETURN) = ret;
 668 }
 669
 670 /*
 671 =================
 672 VM_cvar_string
 673
 674 const string    VM_cvar_string (string, ...)
 675 =================
 676 */
 677 void VM_cvar_string(void)
 678 {
 679         char string[VM_STRINGTEMP_LENGTH];
 680         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_string);
 681         VM_VarString(0, string, sizeof(string));
 682         VM_CheckEmptyString(string);
 683         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(PRVM_Cvar_ReadOk(string) ? Cvar_VariableString(string) : "");
 684 }
 685
 686
 687 /*
 688 ========================
 689 VM_cvar_defstring
 690
 691 const string    VM_cvar_defstring (string, ...)
 692 ========================
 693 */
 694 void VM_cvar_defstring (void)
 695 {
 696         char string[VM_STRINGTEMP_LENGTH];
 697         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_defstring);
 698         VM_VarString(0, string, sizeof(string));
 699         VM_CheckEmptyString(string);
 700         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDefString(string));
 701 }
 702
 703 /*
 704 ========================
 705 VM_cvar_defstring
 706
 707 const string    VM_cvar_description (string, ...)
 708 ========================
 709 */
 710 void VM_cvar_description (void)
 711 {
 712         char string[VM_STRINGTEMP_LENGTH];
 713         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_description);
 714         VM_VarString(0, string, sizeof(string));
 715         VM_CheckEmptyString(string);
 716         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDescription(string));
 717 }
 718 /*
 719 =================
 720 VM_cvar_set
 721
 722 void cvar_set (string,string, ...)
 723 =================
 724 */
 725 void VM_cvar_set (void)
 726 {
 727         const char *name;
 728         char string[VM_STRINGTEMP_LENGTH];
 729         VM_SAFEPARMCOUNTRANGE(2,8,VM_cvar_set);
 730         VM_VarString(1, string, sizeof(string));
 731         name = PRVM_G_STRING(OFS_PARM0);
 732         VM_CheckEmptyString(name);
 733         Cvar_Set(name, string);
 734 }
 735
 736 /*
 737 =========
 738 VM_dprint
 739
 740 dprint(...[string])
 741 =========
 742 */
 743 void VM_dprint (void)
 744 {
 745         char string[VM_STRINGTEMP_LENGTH];
 746         VM_SAFEPARMCOUNTRANGE(1, 8, VM_dprint);
 747         if (developer.integer)
 748         {
 749                 VM_VarString(0, string, sizeof(string));
 750 #if 1
 751                 Con_Printf("%s", string);
 752 #else
 753                 Con_Printf("%s: %s", PRVM_NAME, string);
 754 #endif
 755         }
 756 }
 757
 758 /*
 759 =========
 760 VM_ftos
 761
 762 string  ftos(float)
 763 =========
 764 */
 765
 766 void VM_ftos (void)
 767 {
 768         float v;
 769         char s[128];
 770
 771         VM_SAFEPARMCOUNT(1, VM_ftos);
 772
 773         v = PRVM_G_FLOAT(OFS_PARM0);
 774
 775         if ((float)((int)v) == v)
 776                 dpsnprintf(s, sizeof(s), "%i", (int)v);
 777         else
 778                 dpsnprintf(s, sizeof(s), "%f", v);
 779         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 780 }
 781
 782 /*
 783 =========
 784 VM_fabs
 785
 786 float   fabs(float)
 787 =========
 788 */
 789
 790 void VM_fabs (void)
 791 {
 792         float   v;
 793
 794         VM_SAFEPARMCOUNT(1,VM_fabs);
 795
 796         v = PRVM_G_FLOAT(OFS_PARM0);
 797         PRVM_G_FLOAT(OFS_RETURN) = fabs(v);
 798 }
 799
 800 /*
 801 =========
 802 VM_vtos
 803
 804 string  vtos(vector)
 805 =========
 806 */
 807
 808 void VM_vtos (void)
 809 {
 810         char s[512];
 811
 812         VM_SAFEPARMCOUNT(1,VM_vtos);
 813
 814         dpsnprintf (s, sizeof(s), "'%5.1f %5.1f %5.1f'", PRVM_G_VECTOR(OFS_PARM0)[0], PRVM_G_VECTOR(OFS_PARM0)[1], PRVM_G_VECTOR(OFS_PARM0)[2]);
 815         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 816 }
 817
 818 /*
 819 =========
 820 VM_etos
 821
 822 string  etos(entity)
 823 =========
 824 */
 825
 826 void VM_etos (void)
 827 {
 828         char s[128];
 829
 830         VM_SAFEPARMCOUNT(1, VM_etos);
 831
 832         dpsnprintf (s, sizeof(s), "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
 833         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 834 }
 835
 836 /*
 837 =========
 838 VM_stof
 839
 840 float stof(...[string])
 841 =========
 842 */
 843 void VM_stof(void)
 844 {
 845         char string[VM_STRINGTEMP_LENGTH];
 846         VM_SAFEPARMCOUNTRANGE(1, 8, VM_stof);
 847         VM_VarString(0, string, sizeof(string));
 848         PRVM_G_FLOAT(OFS_RETURN) = atof(string);
 849 }
 850
 851 /*
 852 ========================
 853 VM_itof
 854
 855 float itof(intt ent)
 856 ========================
 857 */
 858 void VM_itof(void)
 859 {
 860         VM_SAFEPARMCOUNT(1, VM_itof);
 861         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
 862 }
 863
 864 /*
 865 ========================
 866 VM_ftoe
 867
 868 entity ftoe(float num)
 869 ========================
 870 */
 871 void VM_ftoe(void)
 872 {
 873         int ent;
 874         VM_SAFEPARMCOUNT(1, VM_ftoe);
 875
 876         ent = (int)PRVM_G_FLOAT(OFS_PARM0);
 877         if (ent < 0 || ent >= MAX_EDICTS || PRVM_PROG_TO_EDICT(ent)->priv.required->free)
 878                 ent = 0; // return world instead of a free or invalid entity
 879
 880         PRVM_G_INT(OFS_RETURN) = ent;
 881 }
 882
 883 /*
 884 ========================
 885 VM_etof
 886
 887 float etof(entity ent)
 888 ========================
 889 */
 890 void VM_etof(void)
 891 {
 892         VM_SAFEPARMCOUNT(1, VM_etof);
 893         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICTNUM(OFS_PARM0);
 894 }
 895
 896 /*
 897 =========
 898 VM_strftime
 899
 900 string strftime(float uselocaltime, string[, string ...])
 901 =========
 902 */
 903 void VM_strftime(void)
 904 {
 905         time_t t;
 906 #if _MSC_VER >= 1400
 907         struct tm tm;
 908         int tmresult;
 909 #else
 910         struct tm *tm;
 911 #endif
 912         char fmt[VM_STRINGTEMP_LENGTH];
 913         char result[VM_STRINGTEMP_LENGTH];
 914         VM_SAFEPARMCOUNTRANGE(2, 8, VM_strftime);
 915         VM_VarString(1, fmt, sizeof(fmt));
 916         t = time(NULL);
 917 #if _MSC_VER >= 1400
 918         if (PRVM_G_FLOAT(OFS_PARM0))
 919                 tmresult = localtime_s(&tm, &t);
 920         else
 921                 tmresult = gmtime_s(&tm, &t);
 922         if (!tmresult)
 923 #else
 924         if (PRVM_G_FLOAT(OFS_PARM0))
 925                 tm = localtime(&t);
 926         else
 927                 tm = gmtime(&t);
 928         if (!tm)
 929 #endif
 930         {
 931                 PRVM_G_INT(OFS_RETURN) = 0;
 932                 return;
 933         }
 934 #if _MSC_VER >= 1400
 935         strftime(result, sizeof(result), fmt, &tm);
 936 #else
 937         strftime(result, sizeof(result), fmt, tm);
 938 #endif
 939         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(result);
 940 }
 941
 942 /*
 943 =========
 944 VM_spawn
 945
 946 entity spawn()
 947 =========
 948 */
 949
 950 void VM_spawn (void)
 951 {
 952         prvm_edict_t    *ed;
 953         VM_SAFEPARMCOUNT(0, VM_spawn);
 954         prog->xfunction->builtinsprofile += 20;
 955         ed = PRVM_ED_Alloc();
 956         VM_RETURN_EDICT(ed);
 957 }
 958
 959 /*
 960 =========
 961 VM_remove
 962
 963 remove(entity e)
 964 =========
 965 */
 966
 967 void VM_remove (void)
 968 {
 969         prvm_edict_t    *ed;
 970         prog->xfunction->builtinsprofile += 20;
 971
 972         VM_SAFEPARMCOUNT(1, VM_remove);
 973
 974         ed = PRVM_G_EDICT(OFS_PARM0);
 975         if( PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
 976         {
 977                 if (developer.integer >= 1)
 978                         VM_Warning( "VM_remove: tried to remove the null entity or a reserved entity!\n" );
 979         }
 980         else if( ed->priv.required->free )
 981         {
 982                 if (developer.integer >= 1)
 983                         VM_Warning( "VM_remove: tried to remove an already freed entity!\n" );
 984         }
 985         else
 986                 PRVM_ED_Free (ed);
 987 }
 988
 989 /*
 990 =========
 991 VM_find
 992
 993 entity  find(entity start, .string field, string match)
 994 =========
 995 */
 996
 997 void VM_find (void)
 998 {
 999         int             e;
1000         int             f;
1001         const char      *s, *t;
1002         prvm_edict_t    *ed;
1003
1004         VM_SAFEPARMCOUNT(3,VM_find);
1005
1006         e = PRVM_G_EDICTNUM(OFS_PARM0);
1007         f = PRVM_G_INT(OFS_PARM1);
1008         s = PRVM_G_STRING(OFS_PARM2);
1009
1010         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1011         // expects it to find all the monsters, so we must be careful to support
1012         // searching for ""
1013
1014         for (e++ ; e < prog->num_edicts ; e++)
1015         {
1016                 prog->xfunction->builtinsprofile++;
1017                 ed = PRVM_EDICT_NUM(e);
1018                 if (ed->priv.required->free)
1019                         continue;
1020                 t = PRVM_E_STRING(ed,f);
1021                 if (!t)
1022                         t = "";
1023                 if (!strcmp(t,s))
1024                 {
1025                         VM_RETURN_EDICT(ed);
1026                         return;
1027                 }
1028         }
1029
1030         VM_RETURN_EDICT(prog->edicts);
1031 }
1032
1033 /*
1034 =========
1035 VM_findfloat
1036
1037   entity        findfloat(entity start, .float field, float match)
1038   entity        findentity(entity start, .entity field, entity match)
1039 =========
1040 */
1041 // LordHavoc: added this for searching float, int, and entity reference fields
1042 void VM_findfloat (void)
1043 {
1044         int             e;
1045         int             f;
1046         float   s;
1047         prvm_edict_t    *ed;
1048
1049         VM_SAFEPARMCOUNT(3,VM_findfloat);
1050
1051         e = PRVM_G_EDICTNUM(OFS_PARM0);
1052         f = PRVM_G_INT(OFS_PARM1);
1053         s = PRVM_G_FLOAT(OFS_PARM2);
1054
1055         for (e++ ; e < prog->num_edicts ; e++)
1056         {
1057                 prog->xfunction->builtinsprofile++;
1058                 ed = PRVM_EDICT_NUM(e);
1059                 if (ed->priv.required->free)
1060                         continue;
1061                 if (PRVM_E_FLOAT(ed,f) == s)
1062                 {
1063                         VM_RETURN_EDICT(ed);
1064                         return;
1065                 }
1066         }
1067
1068         VM_RETURN_EDICT(prog->edicts);
1069 }
1070
1071 /*
1072 =========
1073 VM_findchain
1074
1075 entity  findchain(.string field, string match)
1076 =========
1077 */
1078 // chained search for strings in entity fields
1079 // entity(.string field, string match) findchain = #402;
1080 void VM_findchain (void)
1081 {
1082         int             i;
1083         int             f;
1084         const char      *s, *t;
1085         prvm_edict_t    *ent, *chain;
1086         int chainfield;
1087
1088         VM_SAFEPARMCOUNTRANGE(2,3,VM_findchain);
1089
1090         if(prog->argc == 3)
1091                 chainfield = PRVM_G_INT(OFS_PARM2);
1092         else
1093                 chainfield = prog->fieldoffsets.chain;
1094         if (chainfield < 0)
1095                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
1096
1097         chain = prog->edicts;
1098
1099         f = PRVM_G_INT(OFS_PARM0);
1100         s = PRVM_G_STRING(OFS_PARM1);
1101
1102         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1103         // expects it to find all the monsters, so we must be careful to support
1104         // searching for ""
1105
1106         ent = PRVM_NEXT_EDICT(prog->edicts);
1107         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1108         {
1109                 prog->xfunction->builtinsprofile++;
1110                 if (ent->priv.required->free)
1111                         continue;
1112                 t = PRVM_E_STRING(ent,f);
1113                 if (!t)
1114                         t = "";
1115                 if (strcmp(t,s))
1116                         continue;
1117
1118                 PRVM_EDICTFIELDVALUE(ent,chainfield)->edict = PRVM_NUM_FOR_EDICT(chain);
1119                 chain = ent;
1120         }
1121
1122         VM_RETURN_EDICT(chain);
1123 }
1124
1125 /*
1126 =========
1127 VM_findchainfloat
1128
1129 entity  findchainfloat(.string field, float match)
1130 entity  findchainentity(.string field, entity match)
1131 =========
1132 */
1133 // LordHavoc: chained search for float, int, and entity reference fields
1134 // entity(.string field, float match) findchainfloat = #403;
1135 void VM_findchainfloat (void)
1136 {
1137         int             i;
1138         int             f;
1139         float   s;
1140         prvm_edict_t    *ent, *chain;
1141         int chainfield;
1142
1143         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainfloat);
1144
1145         if(prog->argc == 3)
1146                 chainfield = PRVM_G_INT(OFS_PARM2);
1147         else
1148                 chainfield = prog->fieldoffsets.chain;
1149         if (chainfield < 0)
1150                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
1151
1152         chain = (prvm_edict_t *)prog->edicts;
1153
1154         f = PRVM_G_INT(OFS_PARM0);
1155         s = PRVM_G_FLOAT(OFS_PARM1);
1156
1157         ent = PRVM_NEXT_EDICT(prog->edicts);
1158         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1159         {
1160                 prog->xfunction->builtinsprofile++;
1161                 if (ent->priv.required->free)
1162                         continue;
1163                 if (PRVM_E_FLOAT(ent,f) != s)
1164                         continue;
1165
1166                 PRVM_EDICTFIELDVALUE(ent,chainfield)->edict = PRVM_EDICT_TO_PROG(chain);
1167                 chain = ent;
1168         }
1169
1170         VM_RETURN_EDICT(chain);
1171 }
1172
1173 /*
1174 ========================
1175 VM_findflags
1176
1177 entity  findflags(entity start, .float field, float match)
1178 ========================
1179 */
1180 // LordHavoc: search for flags in float fields
1181 void VM_findflags (void)
1182 {
1183         int             e;
1184         int             f;
1185         int             s;
1186         prvm_edict_t    *ed;
1187
1188         VM_SAFEPARMCOUNT(3, VM_findflags);
1189
1190
1191         e = PRVM_G_EDICTNUM(OFS_PARM0);
1192         f = PRVM_G_INT(OFS_PARM1);
1193         s = (int)PRVM_G_FLOAT(OFS_PARM2);
1194
1195         for (e++ ; e < prog->num_edicts ; e++)
1196         {
1197                 prog->xfunction->builtinsprofile++;
1198                 ed = PRVM_EDICT_NUM(e);
1199                 if (ed->priv.required->free)
1200                         continue;
1201                 if (!PRVM_E_FLOAT(ed,f))
1202                         continue;
1203                 if ((int)PRVM_E_FLOAT(ed,f) & s)
1204                 {
1205                         VM_RETURN_EDICT(ed);
1206                         return;
1207                 }
1208         }
1209
1210         VM_RETURN_EDICT(prog->edicts);
1211 }
1212
1213 /*
1214 ========================
1215 VM_findchainflags
1216
1217 entity  findchainflags(.float field, float match)
1218 ========================
1219 */
1220 // LordHavoc: chained search for flags in float fields
1221 void VM_findchainflags (void)
1222 {
1223         int             i;
1224         int             f;
1225         int             s;
1226         prvm_edict_t    *ent, *chain;
1227         int chainfield;
1228
1229         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainflags);
1230
1231         if(prog->argc == 3)
1232                 chainfield = PRVM_G_INT(OFS_PARM2);
1233         else
1234                 chainfield = prog->fieldoffsets.chain;
1235         if (chainfield < 0)
1236                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
1237
1238         chain = (prvm_edict_t *)prog->edicts;
1239
1240         f = PRVM_G_INT(OFS_PARM0);
1241         s = (int)PRVM_G_FLOAT(OFS_PARM1);
1242
1243         ent = PRVM_NEXT_EDICT(prog->edicts);
1244         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1245         {
1246                 prog->xfunction->builtinsprofile++;
1247                 if (ent->priv.required->free)
1248                         continue;
1249                 if (!PRVM_E_FLOAT(ent,f))
1250                         continue;
1251                 if (!((int)PRVM_E_FLOAT(ent,f) & s))
1252                         continue;
1253
1254                 PRVM_EDICTFIELDVALUE(ent,chainfield)->edict = PRVM_EDICT_TO_PROG(chain);
1255                 chain = ent;
1256         }
1257
1258         VM_RETURN_EDICT(chain);
1259 }
1260
1261 /*
1262 =========
1263 VM_precache_sound
1264
1265 string  precache_sound (string sample)
1266 =========
1267 */
1268 void VM_precache_sound (void)
1269 {
1270         const char *s;
1271
1272         VM_SAFEPARMCOUNT(1, VM_precache_sound);
1273
1274         s = PRVM_G_STRING(OFS_PARM0);
1275         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1276         //VM_CheckEmptyString(s);
1277
1278         if(snd_initialized.integer && !S_PrecacheSound(s, true, true))
1279         {
1280                 VM_Warning("VM_precache_sound: Failed to load %s for %s\n", s, PRVM_NAME);
1281                 return;
1282         }
1283 }
1284
1285 /*
1286 =================
1287 VM_precache_file
1288
1289 returns the same string as output
1290
1291 does nothing, only used by qcc to build .pak archives
1292 =================
1293 */
1294 void VM_precache_file (void)
1295 {
1296         VM_SAFEPARMCOUNT(1,VM_precache_file);
1297         // precache_file is only used to copy files with qcc, it does nothing
1298         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1299 }
1300
1301 /*
1302 =========
1303 VM_coredump
1304
1305 coredump()
1306 =========
1307 */
1308 void VM_coredump (void)
1309 {
1310         VM_SAFEPARMCOUNT(0,VM_coredump);
1311
1312         Cbuf_AddText("prvm_edicts ");
1313         Cbuf_AddText(PRVM_NAME);
1314         Cbuf_AddText("\n");
1315 }
1316
1317 /*
1318 =========
1319 VM_stackdump
1320
1321 stackdump()
1322 =========
1323 */
1324 void PRVM_StackTrace(void);
1325 void VM_stackdump (void)
1326 {
1327         VM_SAFEPARMCOUNT(0, VM_stackdump);
1328
1329         PRVM_StackTrace();
1330 }
1331
1332 /*
1333 =========
1334 VM_crash
1335
1336 crash()
1337 =========
1338 */
1339
1340 void VM_crash(void)
1341 {
1342         VM_SAFEPARMCOUNT(0, VM_crash);
1343
1344         PRVM_ERROR("Crash called by %s",PRVM_NAME);
1345 }
1346
1347 /*
1348 =========
1349 VM_traceon
1350
1351 traceon()
1352 =========
1353 */
1354 void VM_traceon (void)
1355 {
1356         VM_SAFEPARMCOUNT(0,VM_traceon);
1357
1358         prog->trace = true;
1359 }
1360
1361 /*
1362 =========
1363 VM_traceoff
1364
1365 traceoff()
1366 =========
1367 */
1368 void VM_traceoff (void)
1369 {
1370         VM_SAFEPARMCOUNT(0,VM_traceoff);
1371
1372         prog->trace = false;
1373 }
1374
1375 /*
1376 =========
1377 VM_eprint
1378
1379 eprint(entity e)
1380 =========
1381 */
1382 void VM_eprint (void)
1383 {
1384         VM_SAFEPARMCOUNT(1,VM_eprint);
1385
1386         PRVM_ED_PrintNum (PRVM_G_EDICTNUM(OFS_PARM0), NULL);
1387 }
1388
1389 /*
1390 =========
1391 VM_rint
1392
1393 float   rint(float)
1394 =========
1395 */
1396 void VM_rint (void)
1397 {
1398         float f;
1399         VM_SAFEPARMCOUNT(1,VM_rint);
1400
1401         f = PRVM_G_FLOAT(OFS_PARM0);
1402         if (f > 0)
1403                 PRVM_G_FLOAT(OFS_RETURN) = floor(f + 0.5);
1404         else
1405                 PRVM_G_FLOAT(OFS_RETURN) = ceil(f - 0.5);
1406 }
1407
1408 /*
1409 =========
1410 VM_floor
1411
1412 float   floor(float)
1413 =========
1414 */
1415 void VM_floor (void)
1416 {
1417         VM_SAFEPARMCOUNT(1,VM_floor);
1418
1419         PRVM_G_FLOAT(OFS_RETURN) = floor(PRVM_G_FLOAT(OFS_PARM0));
1420 }
1421
1422 /*
1423 =========
1424 VM_ceil
1425
1426 float   ceil(float)
1427 =========
1428 */
1429 void VM_ceil (void)
1430 {
1431         VM_SAFEPARMCOUNT(1,VM_ceil);
1432
1433         PRVM_G_FLOAT(OFS_RETURN) = ceil(PRVM_G_FLOAT(OFS_PARM0));
1434 }
1435
1436
1437 /*
1438 =============
1439 VM_nextent
1440
1441 entity  nextent(entity)
1442 =============
1443 */
1444 void VM_nextent (void)
1445 {
1446         int             i;
1447         prvm_edict_t    *ent;
1448
1449         VM_SAFEPARMCOUNT(1, VM_nextent);
1450
1451         i = PRVM_G_EDICTNUM(OFS_PARM0);
1452         while (1)
1453         {
1454                 prog->xfunction->builtinsprofile++;
1455                 i++;
1456                 if (i == prog->num_edicts)
1457                 {
1458                         VM_RETURN_EDICT(prog->edicts);
1459                         return;
1460                 }
1461                 ent = PRVM_EDICT_NUM(i);
1462                 if (!ent->priv.required->free)
1463                 {
1464                         VM_RETURN_EDICT(ent);
1465                         return;
1466                 }
1467         }
1468 }
1469
1470 //=============================================================================
1471
1472 /*
1473 ==============
1474 VM_changelevel
1475 server and menu
1476
1477 changelevel(string map)
1478 ==============
1479 */
1480 void VM_changelevel (void)
1481 {
1482         VM_SAFEPARMCOUNT(1, VM_changelevel);
1483
1484         if(!sv.active)
1485         {
1486                 VM_Warning("VM_changelevel: game is not server (%s)\n", PRVM_NAME);
1487                 return;
1488         }
1489
1490 // make sure we don't issue two changelevels
1491         if (svs.changelevel_issued)
1492                 return;
1493         svs.changelevel_issued = true;
1494
1495         Cbuf_AddText (va("changelevel %s\n",PRVM_G_STRING(OFS_PARM0)));
1496 }
1497
1498 /*
1499 =========
1500 VM_sin
1501
1502 float   sin(float)
1503 =========
1504 */
1505 void VM_sin (void)
1506 {
1507         VM_SAFEPARMCOUNT(1,VM_sin);
1508         PRVM_G_FLOAT(OFS_RETURN) = sin(PRVM_G_FLOAT(OFS_PARM0));
1509 }
1510
1511 /*
1512 =========
1513 VM_cos
1514 float   cos(float)
1515 =========
1516 */
1517 void VM_cos (void)
1518 {
1519         VM_SAFEPARMCOUNT(1,VM_cos);
1520         PRVM_G_FLOAT(OFS_RETURN) = cos(PRVM_G_FLOAT(OFS_PARM0));
1521 }
1522
1523 /*
1524 =========
1525 VM_sqrt
1526
1527 float   sqrt(float)
1528 =========
1529 */
1530 void VM_sqrt (void)
1531 {
1532         VM_SAFEPARMCOUNT(1,VM_sqrt);
1533         PRVM_G_FLOAT(OFS_RETURN) = sqrt(PRVM_G_FLOAT(OFS_PARM0));
1534 }
1535
1536 /*
1537 =========
1538 VM_asin
1539
1540 float   asin(float)
1541 =========
1542 */
1543 void VM_asin (void)
1544 {
1545         VM_SAFEPARMCOUNT(1,VM_asin);
1546         PRVM_G_FLOAT(OFS_RETURN) = asin(PRVM_G_FLOAT(OFS_PARM0));
1547 }
1548
1549 /*
1550 =========
1551 VM_acos
1552 float   acos(float)
1553 =========
1554 */
1555 void VM_acos (void)
1556 {
1557         VM_SAFEPARMCOUNT(1,VM_acos);
1558         PRVM_G_FLOAT(OFS_RETURN) = acos(PRVM_G_FLOAT(OFS_PARM0));
1559 }
1560
1561 /*
1562 =========
1563 VM_atan
1564 float   atan(float)
1565 =========
1566 */
1567 void VM_atan (void)
1568 {
1569         VM_SAFEPARMCOUNT(1,VM_atan);
1570         PRVM_G_FLOAT(OFS_RETURN) = atan(PRVM_G_FLOAT(OFS_PARM0));
1571 }
1572
1573 /*
1574 =========
1575 VM_atan2
1576 float   atan2(float,float)
1577 =========
1578 */
1579 void VM_atan2 (void)
1580 {
1581         VM_SAFEPARMCOUNT(2,VM_atan2);
1582         PRVM_G_FLOAT(OFS_RETURN) = atan2(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1583 }
1584
1585 /*
1586 =========
1587 VM_tan
1588 float   tan(float)
1589 =========
1590 */
1591 void VM_tan (void)
1592 {
1593         VM_SAFEPARMCOUNT(1,VM_tan);
1594         PRVM_G_FLOAT(OFS_RETURN) = tan(PRVM_G_FLOAT(OFS_PARM0));
1595 }
1596
1597 /*
1598 =================
1599 VM_randomvec
1600
1601 Returns a vector of length < 1 and > 0
1602
1603 vector randomvec()
1604 =================
1605 */
1606 void VM_randomvec (void)
1607 {
1608         vec3_t          temp;
1609         //float         length;
1610
1611         VM_SAFEPARMCOUNT(0, VM_randomvec);
1612
1613         //// WTF ??
1614         do
1615         {
1616                 temp[0] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1617                 temp[1] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1618                 temp[2] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1619         }
1620         while (DotProduct(temp, temp) >= 1);
1621         VectorCopy (temp, PRVM_G_VECTOR(OFS_RETURN));
1622
1623         /*
1624         temp[0] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1625         temp[1] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1626         temp[2] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1627         // length returned always > 0
1628         length = (rand()&32766 + 1) * (1.0 / 32767.0) / VectorLength(temp);
1629         VectorScale(temp,length, temp);*/
1630         //VectorCopy(temp, PRVM_G_VECTOR(OFS_RETURN));
1631 }
1632
1633 //=============================================================================
1634
1635 /*
1636 =========
1637 VM_registercvar
1638
1639 float   registercvar (string name, string value[, float flags])
1640 =========
1641 */
1642 void VM_registercvar (void)
1643 {
1644         const char *name, *value;
1645         int     flags;
1646
1647         VM_SAFEPARMCOUNTRANGE(2, 3, VM_registercvar);
1648
1649         name = PRVM_G_STRING(OFS_PARM0);
1650         value = PRVM_G_STRING(OFS_PARM1);
1651         flags = prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : 0;
1652         PRVM_G_FLOAT(OFS_RETURN) = 0;
1653
1654         if(flags > CVAR_MAXFLAGSVAL)
1655                 return;
1656
1657 // first check to see if it has already been defined
1658         if (Cvar_FindVar (name))
1659                 return;
1660
1661 // check for overlap with a command
1662         if (Cmd_Exists (name))
1663         {
1664                 VM_Warning("VM_registercvar: %s is a command\n", name);
1665                 return;
1666         }
1667
1668         Cvar_Get(name, value, flags, NULL);
1669
1670         PRVM_G_FLOAT(OFS_RETURN) = 1; // success
1671 }
1672
1673
1674 /*
1675 =================
1676 VM_min
1677
1678 returns the minimum of two supplied floats
1679
1680 float min(float a, float b, ...[float])
1681 =================
1682 */
1683 void VM_min (void)
1684 {
1685         VM_SAFEPARMCOUNTRANGE(2, 8, VM_min);
1686         // LordHavoc: 3+ argument enhancement suggested by FrikaC
1687         if (prog->argc >= 3)
1688         {
1689                 int i;
1690                 float f = PRVM_G_FLOAT(OFS_PARM0);
1691                 for (i = 1;i < prog->argc;i++)
1692                         if (f > PRVM_G_FLOAT((OFS_PARM0+i*3)))
1693                                 f = PRVM_G_FLOAT((OFS_PARM0+i*3));
1694                 PRVM_G_FLOAT(OFS_RETURN) = f;
1695         }
1696         else
1697                 PRVM_G_FLOAT(OFS_RETURN) = min(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1698 }
1699
1700 /*
1701 =================
1702 VM_max
1703
1704 returns the maximum of two supplied floats
1705
1706 float   max(float a, float b, ...[float])
1707 =================
1708 */
1709 void VM_max (void)
1710 {
1711         VM_SAFEPARMCOUNTRANGE(2, 8, VM_max);
1712         // LordHavoc: 3+ argument enhancement suggested by FrikaC
1713         if (prog->argc >= 3)
1714         {
1715                 int i;
1716                 float f = PRVM_G_FLOAT(OFS_PARM0);
1717                 for (i = 1;i < prog->argc;i++)
1718                         if (f < PRVM_G_FLOAT((OFS_PARM0+i*3)))
1719                                 f = PRVM_G_FLOAT((OFS_PARM0+i*3));
1720                 PRVM_G_FLOAT(OFS_RETURN) = f;
1721         }
1722         else
1723                 PRVM_G_FLOAT(OFS_RETURN) = max(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1724 }
1725
1726 /*
1727 =================
1728 VM_bound
1729
1730 returns number bounded by supplied range
1731
1732 float   bound(float min, float value, float max)
1733 =================
1734 */
1735 void VM_bound (void)
1736 {
1737         VM_SAFEPARMCOUNT(3,VM_bound);
1738         PRVM_G_FLOAT(OFS_RETURN) = bound(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1), PRVM_G_FLOAT(OFS_PARM2));
1739 }
1740
1741 /*
1742 =================
1743 VM_pow
1744
1745 returns a raised to power b
1746
1747 float   pow(float a, float b)
1748 =================
1749 */
1750 void VM_pow (void)
1751 {
1752         VM_SAFEPARMCOUNT(2,VM_pow);
1753         PRVM_G_FLOAT(OFS_RETURN) = pow(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1754 }
1755
1756 void VM_log (void)
1757 {
1758         VM_SAFEPARMCOUNT(1,VM_log);
1759         PRVM_G_FLOAT(OFS_RETURN) = log(PRVM_G_FLOAT(OFS_PARM0));
1760 }
1761
1762 void VM_Files_Init(void)
1763 {
1764         int i;
1765         for (i = 0;i < PRVM_MAX_OPENFILES;i++)
1766                 prog->openfiles[i] = NULL;
1767 }
1768
1769 void VM_Files_CloseAll(void)
1770 {
1771         int i;
1772         for (i = 0;i < PRVM_MAX_OPENFILES;i++)
1773         {
1774                 if (prog->openfiles[i])
1775                         FS_Close(prog->openfiles[i]);
1776                 prog->openfiles[i] = NULL;
1777         }
1778 }
1779
1780 static qfile_t *VM_GetFileHandle( int index )
1781 {
1782         if (index < 0 || index >= PRVM_MAX_OPENFILES)
1783         {
1784                 Con_Printf("VM_GetFileHandle: invalid file handle %i used in %s\n", index, PRVM_NAME);
1785                 return NULL;
1786         }
1787         if (prog->openfiles[index] == NULL)
1788         {
1789                 Con_Printf("VM_GetFileHandle: no such file handle %i (or file has been closed) in %s\n", index, PRVM_NAME);
1790                 return NULL;
1791         }
1792         return prog->openfiles[index];
1793 }
1794
1795 /*
1796 =========
1797 VM_fopen
1798
1799 float   fopen(string filename, float mode)
1800 =========
1801 */
1802 // float(string filename, float mode) fopen = #110;
1803 // opens a file inside quake/gamedir/data/ (mode is FILE_READ, FILE_APPEND, or FILE_WRITE),
1804 // returns fhandle >= 0 if successful, or fhandle < 0 if unable to open file for any reason
1805 void VM_fopen(void)
1806 {
1807         int filenum, mode;
1808         const char *modestring, *filename;
1809
1810         VM_SAFEPARMCOUNT(2,VM_fopen);
1811
1812         for (filenum = 0;filenum < PRVM_MAX_OPENFILES;filenum++)
1813                 if (prog->openfiles[filenum] == NULL)
1814                         break;
1815         if (filenum >= PRVM_MAX_OPENFILES)
1816         {
1817                 PRVM_G_FLOAT(OFS_RETURN) = -2;
1818                 VM_Warning("VM_fopen: %s ran out of file handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENFILES);
1819                 return;
1820         }
1821         filename = PRVM_G_STRING(OFS_PARM0);
1822         mode = (int)PRVM_G_FLOAT(OFS_PARM1);
1823         switch(mode)
1824         {
1825         case 0: // FILE_READ
1826                 modestring = "rb";
1827                 prog->openfiles[filenum] = FS_OpenVirtualFile(va("data/%s", filename), false);
1828                 if (prog->openfiles[filenum] == NULL)
1829                         prog->openfiles[filenum] = FS_OpenVirtualFile(va("%s", filename), false);
1830                 break;
1831         case 1: // FILE_APPEND
1832                 modestring = "a";
1833                 prog->openfiles[filenum] = FS_OpenRealFile(va("data/%s", filename), modestring, false);
1834                 break;
1835         case 2: // FILE_WRITE
1836                 modestring = "w";
1837                 prog->openfiles[filenum] = FS_OpenRealFile(va("data/%s", filename), modestring, false);
1838                 break;
1839         default:
1840                 PRVM_G_FLOAT(OFS_RETURN) = -3;
1841                 VM_Warning("VM_fopen: %s: no such mode %i (valid: 0 = read, 1 = append, 2 = write)\n", PRVM_NAME, mode);
1842                 return;
1843         }
1844
1845         if (prog->openfiles[filenum] == NULL)
1846         {
1847                 PRVM_G_FLOAT(OFS_RETURN) = -1;
1848                 if (developer.integer >= 100)
1849                         VM_Warning("VM_fopen: %s: %s mode %s failed\n", PRVM_NAME, filename, modestring);
1850         }
1851         else
1852         {
1853                 PRVM_G_FLOAT(OFS_RETURN) = filenum;
1854                 if (developer.integer >= 100)
1855                         Con_Printf("VM_fopen: %s: %s mode %s opened as #%i\n", PRVM_NAME, filename, modestring, filenum);
1856                 prog->openfiles_origin[filenum] = PRVM_AllocationOrigin();
1857         }
1858 }
1859
1860 /*
1861 =========
1862 VM_fclose
1863
1864 fclose(float fhandle)
1865 =========
1866 */
1867 //void(float fhandle) fclose = #111; // closes a file
1868 void VM_fclose(void)
1869 {
1870         int filenum;
1871
1872         VM_SAFEPARMCOUNT(1,VM_fclose);
1873
1874         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1875         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1876         {
1877                 VM_Warning("VM_fclose: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
1878                 return;
1879         }
1880         if (prog->openfiles[filenum] == NULL)
1881         {
1882                 VM_Warning("VM_fclose: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
1883                 return;
1884         }
1885         FS_Close(prog->openfiles[filenum]);
1886         prog->openfiles[filenum] = NULL;
1887         if(prog->openfiles_origin[filenum])
1888                 PRVM_Free((char *)prog->openfiles_origin[filenum]);
1889         if (developer.integer >= 100)
1890                 Con_Printf("VM_fclose: %s: #%i closed\n", PRVM_NAME, filenum);
1891 }
1892
1893 /*
1894 =========
1895 VM_fgets
1896
1897 string  fgets(float fhandle)
1898 =========
1899 */
1900 //string(float fhandle) fgets = #112; // reads a line of text from the file and returns as a tempstring
1901 void VM_fgets(void)
1902 {
1903         int c, end;
1904         char string[VM_STRINGTEMP_LENGTH];
1905         int filenum;
1906
1907         VM_SAFEPARMCOUNT(1,VM_fgets);
1908
1909         // set the return value regardless of any possible errors
1910         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1911
1912         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1913         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1914         {
1915                 VM_Warning("VM_fgets: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
1916                 return;
1917         }
1918         if (prog->openfiles[filenum] == NULL)
1919         {
1920                 VM_Warning("VM_fgets: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
1921                 return;
1922         }
1923         end = 0;
1924         for (;;)
1925         {
1926                 c = FS_Getc(prog->openfiles[filenum]);
1927                 if (c == '\r' || c == '\n' || c < 0)
1928                         break;
1929                 if (end < VM_STRINGTEMP_LENGTH - 1)
1930                         string[end++] = c;
1931         }
1932         string[end] = 0;
1933         // remove \n following \r
1934         if (c == '\r')
1935         {
1936                 c = FS_Getc(prog->openfiles[filenum]);
1937                 if (c != '\n')
1938                         FS_UnGetc(prog->openfiles[filenum], (unsigned char)c);
1939         }
1940         if (developer.integer >= 100)
1941                 Con_Printf("fgets: %s: %s\n", PRVM_NAME, string);
1942         if (c >= 0 || end)
1943                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
1944 }
1945
1946 /*
1947 =========
1948 VM_fputs
1949
1950 fputs(float fhandle, string s)
1951 =========
1952 */
1953 //void(float fhandle, string s) fputs = #113; // writes a line of text to the end of the file
1954 void VM_fputs(void)
1955 {
1956         int stringlength;
1957         char string[VM_STRINGTEMP_LENGTH];
1958         int filenum;
1959
1960         VM_SAFEPARMCOUNT(2,VM_fputs);
1961
1962         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1963         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1964         {
1965                 VM_Warning("VM_fputs: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
1966                 return;
1967         }
1968         if (prog->openfiles[filenum] == NULL)
1969         {
1970                 VM_Warning("VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
1971                 return;
1972         }
1973         VM_VarString(1, string, sizeof(string));
1974         if ((stringlength = (int)strlen(string)))
1975                 FS_Write(prog->openfiles[filenum], string, stringlength);
1976         if (developer.integer >= 100)
1977                 Con_Printf("fputs: %s: %s\n", PRVM_NAME, string);
1978 }
1979
1980 /*
1981 =========
1982 VM_writetofile
1983
1984         writetofile(float fhandle, entity ent)
1985 =========
1986 */
1987 void VM_writetofile(void)
1988 {
1989         prvm_edict_t * ent;
1990         qfile_t *file;
1991
1992         VM_SAFEPARMCOUNT(2, VM_writetofile);
1993
1994         file = VM_GetFileHandle( (int)PRVM_G_FLOAT(OFS_PARM0) );
1995         if( !file )
1996         {
1997                 VM_Warning("VM_writetofile: invalid or closed file handle\n");
1998                 return;
1999         }
2000
2001         ent = PRVM_G_EDICT(OFS_PARM1);
2002         if(ent->priv.required->free)
2003         {
2004                 VM_Warning("VM_writetofile: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2005                 return;
2006         }
2007
2008         PRVM_ED_Write (file, ent);
2009 }
2010
2011 // KrimZon - DP_QC_ENTITYDATA
2012 /*
2013 =========
2014 VM_numentityfields
2015
2016 float() numentityfields
2017 Return the number of entity fields - NOT offsets
2018 =========
2019 */
2020 void VM_numentityfields(void)
2021 {
2022         PRVM_G_FLOAT(OFS_RETURN) = prog->progs->numfielddefs;
2023 }
2024
2025 // KrimZon - DP_QC_ENTITYDATA
2026 /*
2027 =========
2028 VM_entityfieldname
2029
2030 string(float fieldnum) entityfieldname
2031 Return name of the specified field as a string, or empty if the field is invalid (warning)
2032 =========
2033 */
2034 void VM_entityfieldname(void)
2035 {
2036         ddef_t *d;
2037         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2038
2039         if (i < 0 || i >= prog->progs->numfielddefs)
2040         {
2041         VM_Warning("VM_entityfieldname: %s: field index out of bounds\n", PRVM_NAME);
2042         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2043                 return;
2044         }
2045
2046         d = &prog->fielddefs[i];
2047         PRVM_G_INT(OFS_RETURN) = d->s_name; // presuming that s_name points to a string already
2048 }
2049
2050 // KrimZon - DP_QC_ENTITYDATA
2051 /*
2052 =========
2053 VM_entityfieldtype
2054
2055 float(float fieldnum) entityfieldtype
2056 =========
2057 */
2058 void VM_entityfieldtype(void)
2059 {
2060         ddef_t *d;
2061         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2062
2063         if (i < 0 || i >= prog->progs->numfielddefs)
2064         {
2065                 VM_Warning("VM_entityfieldtype: %s: field index out of bounds\n", PRVM_NAME);
2066                 PRVM_G_FLOAT(OFS_RETURN) = -1.0;
2067                 return;
2068         }
2069
2070         d = &prog->fielddefs[i];
2071         PRVM_G_FLOAT(OFS_RETURN) = (float)d->type;
2072 }
2073
2074 // KrimZon - DP_QC_ENTITYDATA
2075 /*
2076 =========
2077 VM_getentityfieldstring
2078
2079 string(float fieldnum, entity ent) getentityfieldstring
2080 =========
2081 */
2082 void VM_getentityfieldstring(void)
2083 {
2084         // put the data into a string
2085         ddef_t *d;
2086         int type, j;
2087         int *v;
2088         prvm_edict_t * ent;
2089         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2090
2091         if (i < 0 || i >= prog->progs->numfielddefs)
2092         {
2093         VM_Warning("VM_entityfielddata: %s: field index out of bounds\n", PRVM_NAME);
2094                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2095                 return;
2096         }
2097
2098         d = &prog->fielddefs[i];
2099
2100         // get the entity
2101         ent = PRVM_G_EDICT(OFS_PARM1);
2102         if(ent->priv.required->free)
2103         {
2104                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2105                 VM_Warning("VM_entityfielddata: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2106                 return;
2107         }
2108         v = (int *)((char *)ent->fields.vp + d->ofs*4);
2109
2110         // if it's 0 or blank, return an empty string
2111         type = d->type & ~DEF_SAVEGLOBAL;
2112         for (j=0 ; j<prvm_type_size[type] ; j++)
2113                 if (v[j])
2114                         break;
2115         if (j == prvm_type_size[type])
2116         {
2117                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2118                 return;
2119         }
2120
2121         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(PRVM_UglyValueString((etype_t)d->type, (prvm_eval_t *)v));
2122 }
2123
2124 // KrimZon - DP_QC_ENTITYDATA
2125 /*
2126 =========
2127 VM_putentityfieldstring
2128
2129 float(float fieldnum, entity ent, string s) putentityfieldstring
2130 =========
2131 */
2132 void VM_putentityfieldstring(void)
2133 {
2134         ddef_t *d;
2135         prvm_edict_t * ent;
2136         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2137
2138         if (i < 0 || i >= prog->progs->numfielddefs)
2139         {
2140         VM_Warning("VM_entityfielddata: %s: field index out of bounds\n", PRVM_NAME);
2141                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2142                 return;
2143         }
2144
2145         d = &prog->fielddefs[i];
2146
2147         // get the entity
2148         ent = PRVM_G_EDICT(OFS_PARM1);
2149         if(ent->priv.required->free)
2150         {
2151                 VM_Warning("VM_entityfielddata: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2152                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2153                 return;
2154         }
2155
2156         // parse the string into the value
2157         PRVM_G_FLOAT(OFS_RETURN) = ( PRVM_ED_ParseEpair(ent, d, PRVM_G_STRING(OFS_PARM2), false) ) ? 1.0f : 0.0f;
2158 }
2159
2160 /*
2161 =========
2162 VM_strlen
2163
2164 float   strlen(string s)
2165 =========
2166 */
2167 //float(string s) strlen = #114; // returns how many characters are in a string
2168 void VM_strlen(void)
2169 {
2170         VM_SAFEPARMCOUNT(1,VM_strlen);
2171
2172         //PRVM_G_FLOAT(OFS_RETURN) = strlen(PRVM_G_STRING(OFS_PARM0));
2173         PRVM_G_FLOAT(OFS_RETURN) = u8_strlen(PRVM_G_STRING(OFS_PARM0));
2174 }
2175
2176 // DRESK - Decolorized String
2177 /*
2178 =========
2179 VM_strdecolorize
2180
2181 string  strdecolorize(string s)
2182 =========
2183 */
2184 // string (string s) strdecolorize = #472; // returns the passed in string with color codes stripped
2185 void VM_strdecolorize(void)
2186 {
2187         char szNewString[VM_STRINGTEMP_LENGTH];
2188         const char *szString;
2189
2190         // Prepare Strings
2191         VM_SAFEPARMCOUNT(1,VM_strdecolorize);
2192         szString = PRVM_G_STRING(OFS_PARM0);
2193         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
2194         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
2195 }
2196
2197 // DRESK - String Length (not counting color codes)
2198 /*
2199 =========
2200 VM_strlennocol
2201
2202 float   strlennocol(string s)
2203 =========
2204 */
2205 // float(string s) strlennocol = #471; // returns how many characters are in a string not including color codes
2206 // For example, ^2Dresk returns a length of 5
2207 void VM_strlennocol(void)
2208 {
2209         const char *szString;
2210         int nCnt;
2211
2212         VM_SAFEPARMCOUNT(1,VM_strlennocol);
2213
2214         szString = PRVM_G_STRING(OFS_PARM0);
2215
2216         //nCnt = COM_StringLengthNoColors(szString, 0, NULL);
2217         nCnt = u8_COM_StringLengthNoColors(szString, 0, NULL);
2218
2219         PRVM_G_FLOAT(OFS_RETURN) = nCnt;
2220 }
2221
2222 // DRESK - String to Uppercase and Lowercase
2223 /*
2224 =========
2225 VM_strtolower
2226
2227 string  strtolower(string s)
2228 =========
2229 */
2230 // string (string s) strtolower = #480; // returns passed in string in lowercase form
2231 void VM_strtolower(void)
2232 {
2233         char szNewString[VM_STRINGTEMP_LENGTH];
2234         const char *szString;
2235
2236         // Prepare Strings
2237         VM_SAFEPARMCOUNT(1,VM_strtolower);
2238         szString = PRVM_G_STRING(OFS_PARM0);
2239
2240         COM_ToLowerString(szString, szNewString, sizeof(szNewString) );
2241
2242         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
2243 }
2244
2245 /*
2246 =========
2247 VM_strtoupper
2248
2249 string  strtoupper(string s)
2250 =========
2251 */
2252 // string (string s) strtoupper = #481; // returns passed in string in uppercase form
2253 void VM_strtoupper(void)
2254 {
2255         char szNewString[VM_STRINGTEMP_LENGTH];
2256         const char *szString;
2257
2258         // Prepare Strings
2259         VM_SAFEPARMCOUNT(1,VM_strtoupper);
2260         szString = PRVM_G_STRING(OFS_PARM0);
2261
2262         COM_ToUpperString(szString, szNewString, sizeof(szNewString) );
2263
2264         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
2265 }
2266
2267 /*
2268 =========
2269 VM_strcat
2270
2271 string strcat(string,string,...[string])
2272 =========
2273 */
2274 //string(string s1, string s2) strcat = #115;
2275 // concatenates two strings (for example "abc", "def" would return "abcdef")
2276 // and returns as a tempstring
2277 void VM_strcat(void)
2278 {
2279         char s[VM_STRINGTEMP_LENGTH];
2280         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strcat);
2281
2282         VM_VarString(0, s, sizeof(s));
2283         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
2284 }
2285
2286 /*
2287 =========
2288 VM_substring
2289
2290 string  substring(string s, float start, float length)
2291 =========
2292 */
2293 // string(string s, float start, float length) substring = #116;
2294 // returns a section of a string as a tempstring
2295 void VM_substring(void)
2296 {
2297         int start, length;
2298         int u_slength = 0, u_start;
2299         size_t u_length;
2300         const char *s;
2301         char string[VM_STRINGTEMP_LENGTH];
2302
2303         VM_SAFEPARMCOUNT(3,VM_substring);
2304
2305         /*
2306         s = PRVM_G_STRING(OFS_PARM0);
2307         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2308         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2309         slength = strlen(s);
2310
2311         if (start < 0) // FTE_STRINGS feature
2312                 start += slength;
2313         start = bound(0, start, slength);
2314
2315         if (length < 0) // FTE_STRINGS feature
2316                 length += slength - start + 1;
2317         maxlen = min((int)sizeof(string) - 1, slength - start);
2318         length = bound(0, length, maxlen);
2319
2320         memcpy(string, s + start, length);
2321         string[length] = 0;
2322         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2323         */
2324
2325         s = PRVM_G_STRING(OFS_PARM0);
2326         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2327         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2328
2329         if (start < 0) // FTE_STRINGS feature
2330         {
2331                 u_slength = u8_strlen(s);
2332                 start += u_slength;
2333                 start = bound(0, start, u_slength);
2334         }
2335
2336         if (length < 0) // FTE_STRINGS feature
2337         {
2338                 if (!u_slength) // it's not calculated when it's not needed above
2339                         u_slength = u8_strlen(s);
2340                 length += u_slength - start + 1;
2341         }
2342
2343         // positive start, positive length
2344         u_start = u8_byteofs(s, start, NULL);
2345         if (u_start < 0)
2346         {
2347                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2348                 return;
2349         }
2350         u_length = u8_bytelen(s + u_start, length);
2351         if (u_length >= sizeof(string)-1)
2352                 u_length = sizeof(string)-1;
2353
2354         memcpy(string, s + u_start, u_length);
2355         string[u_length] = 0;
2356         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2357 }
2358
2359 /*
2360 =========
2361 VM_strreplace
2362
2363 string(string search, string replace, string subject) strreplace = #484;
2364 =========
2365 */
2366 // replaces all occurrences of search with replace in the string subject, and returns the result
2367 void VM_strreplace(void)
2368 {
2369         int i, j, si;
2370         const char *search, *replace, *subject;
2371         char string[VM_STRINGTEMP_LENGTH];
2372         int search_len, replace_len, subject_len;
2373
2374         VM_SAFEPARMCOUNT(3,VM_strreplace);
2375
2376         search = PRVM_G_STRING(OFS_PARM0);
2377         replace = PRVM_G_STRING(OFS_PARM1);
2378         subject = PRVM_G_STRING(OFS_PARM2);
2379
2380         search_len = (int)strlen(search);
2381         replace_len = (int)strlen(replace);
2382         subject_len = (int)strlen(subject);
2383
2384         si = 0;
2385         for (i = 0; i < subject_len; i++)
2386         {
2387                 for (j = 0; j < search_len && i+j < subject_len; j++)
2388                         if (subject[i+j] != search[j])
2389                                 break;
2390                 if (j == search_len || i+j == subject_len)
2391                 {
2392                 // found it at offset 'i'
2393                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2394                                 string[si++] = replace[j];
2395                         i += search_len - 1;
2396                 }
2397                 else
2398                 {
2399                 // not found
2400                         if (si < (int)sizeof(string) - 1)
2401                                 string[si++] = subject[i];
2402                 }
2403         }
2404         string[si] = '\0';
2405
2406         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2407 }
2408
2409 /*
2410 =========
2411 VM_strireplace
2412
2413 string(string search, string replace, string subject) strireplace = #485;
2414 =========
2415 */
2416 // case-insensitive version of strreplace
2417 void VM_strireplace(void)
2418 {
2419         int i, j, si;
2420         const char *search, *replace, *subject;
2421         char string[VM_STRINGTEMP_LENGTH];
2422         int search_len, replace_len, subject_len;
2423
2424         VM_SAFEPARMCOUNT(3,VM_strreplace);
2425
2426         search = PRVM_G_STRING(OFS_PARM0);
2427         replace = PRVM_G_STRING(OFS_PARM1);
2428         subject = PRVM_G_STRING(OFS_PARM2);
2429
2430         search_len = (int)strlen(search);
2431         replace_len = (int)strlen(replace);
2432         subject_len = (int)strlen(subject);
2433
2434         si = 0;
2435         for (i = 0; i < subject_len; i++)
2436         {
2437                 for (j = 0; j < search_len && i+j < subject_len; j++)
2438                         if (tolower(subject[i+j]) != tolower(search[j]))
2439                                 break;
2440                 if (j == search_len || i+j == subject_len)
2441                 {
2442                 // found it at offset 'i'
2443                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2444                                 string[si++] = replace[j];
2445                         i += search_len - 1;
2446                 }
2447                 else
2448                 {
2449                 // not found
2450                         if (si < (int)sizeof(string) - 1)
2451                                 string[si++] = subject[i];
2452                 }
2453         }
2454         string[si] = '\0';
2455
2456         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2457 }
2458
2459 /*
2460 =========
2461 VM_stov
2462
2463 vector  stov(string s)
2464 =========
2465 */
2466 //vector(string s) stov = #117; // returns vector value from a string
2467 void VM_stov(void)
2468 {
2469         char string[VM_STRINGTEMP_LENGTH];
2470
2471         VM_SAFEPARMCOUNT(1,VM_stov);
2472
2473         VM_VarString(0, string, sizeof(string));
2474         Math_atov(string, PRVM_G_VECTOR(OFS_RETURN));
2475 }
2476
2477 /*
2478 =========
2479 VM_strzone
2480
2481 string  strzone(string s)
2482 =========
2483 */
2484 //string(string s, ...) strzone = #118; // makes a copy of a string into the string zone and returns it, this is often used to keep around a tempstring for longer periods of time (tempstrings are replaced often)
2485 void VM_strzone(void)
2486 {
2487         char *out;
2488         char string[VM_STRINGTEMP_LENGTH];
2489         size_t alloclen;
2490
2491         VM_SAFEPARMCOUNT(1,VM_strzone);
2492
2493         VM_VarString(0, string, sizeof(string));
2494         alloclen = strlen(string) + 1;
2495         PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(alloclen, &out);
2496         memcpy(out, string, alloclen);
2497 }
2498
2499 /*
2500 =========
2501 VM_strunzone
2502
2503 strunzone(string s)
2504 =========
2505 */
2506 //void(string s) strunzone = #119; // removes a copy of a string from the string zone (you can not use that string again or it may crash!!!)
2507 void VM_strunzone(void)
2508 {
2509         VM_SAFEPARMCOUNT(1,VM_strunzone);
2510         PRVM_FreeString(PRVM_G_INT(OFS_PARM0));
2511 }
2512
2513 /*
2514 =========
2515 VM_command (used by client and menu)
2516
2517 clientcommand(float client, string s) (for client and menu)
2518 =========
2519 */
2520 //void(entity e, string s) clientcommand = #440; // executes a command string as if it came from the specified client
2521 //this function originally written by KrimZon, made shorter by LordHavoc
2522 void VM_clcommand (void)
2523 {
2524         client_t *temp_client;
2525         int i;
2526
2527         VM_SAFEPARMCOUNT(2,VM_clcommand);
2528
2529         i = (int)PRVM_G_FLOAT(OFS_PARM0);
2530         if (!sv.active  || i < 0 || i >= svs.maxclients || !svs.clients[i].active)
2531         {
2532                 VM_Warning("VM_clientcommand: %s: invalid client/server is not active !\n", PRVM_NAME);
2533                 return;
2534         }
2535
2536         temp_client = host_client;
2537         host_client = svs.clients + i;
2538         Cmd_ExecuteString (PRVM_G_STRING(OFS_PARM1), src_client);
2539         host_client = temp_client;
2540 }
2541
2542
2543 /*
2544 =========
2545 VM_tokenize
2546
2547 float tokenize(string s)
2548 =========
2549 */
2550 //float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
2551 //this function originally written by KrimZon, made shorter by LordHavoc
2552 //20040203: rewritten by LordHavoc (no longer uses allocations)
2553 static int num_tokens = 0;
2554 static int tokens[VM_STRINGTEMP_LENGTH / 2];
2555 static int tokens_startpos[VM_STRINGTEMP_LENGTH / 2];
2556 static int tokens_endpos[VM_STRINGTEMP_LENGTH / 2];
2557 static char tokenize_string[VM_STRINGTEMP_LENGTH];
2558 void VM_tokenize (void)
2559 {
2560         const char *p;
2561
2562         VM_SAFEPARMCOUNT(1,VM_tokenize);
2563
2564         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2565         p = tokenize_string;
2566
2567         num_tokens = 0;
2568         for(;;)
2569         {
2570                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2571                         break;
2572
2573                 // skip whitespace here to find token start pos
2574                 while(*p && ISWHITESPACE(*p))
2575                         ++p;
2576
2577                 tokens_startpos[num_tokens] = p - tokenize_string;
2578                 if(!COM_ParseToken_VM_Tokenize(&p, false))
2579                         break;
2580                 tokens_endpos[num_tokens] = p - tokenize_string;
2581                 tokens[num_tokens] = PRVM_SetTempString(com_token);
2582                 ++num_tokens;
2583         }
2584
2585         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2586 }
2587
2588 //float(string s) tokenize = #514; // takes apart a string into individal words (access them with argv), returns how many
2589 void VM_tokenize_console (void)
2590 {
2591         const char *p;
2592
2593         VM_SAFEPARMCOUNT(1,VM_tokenize);
2594
2595         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2596         p = tokenize_string;
2597
2598         num_tokens = 0;
2599         for(;;)
2600         {
2601                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2602                         break;
2603
2604                 // skip whitespace here to find token start pos
2605                 while(*p && ISWHITESPACE(*p))
2606                         ++p;
2607
2608                 tokens_startpos[num_tokens] = p - tokenize_string;
2609                 if(!COM_ParseToken_Console(&p))
2610                         break;
2611                 tokens_endpos[num_tokens] = p - tokenize_string;
2612                 tokens[num_tokens] = PRVM_SetTempString(com_token);
2613                 ++num_tokens;
2614         }
2615
2616         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2617 }
2618
2619 /*
2620 =========
2621 VM_tokenizebyseparator
2622
2623 float tokenizebyseparator(string s, string separator1, ...)
2624 =========
2625 */
2626 //float(string s, string separator1, ...) tokenizebyseparator = #479; // takes apart a string into individal words (access them with argv), returns how many
2627 //this function returns the token preceding each instance of a separator (of
2628 //which there can be multiple), and the text following the last separator
2629 //useful for parsing certain kinds of data like IP addresses
2630 //example:
2631 //numnumbers = tokenizebyseparator("10.1.2.3", ".");
2632 //returns 4 and the tokens "10" "1" "2" "3".
2633 void VM_tokenizebyseparator (void)
2634 {
2635         int j, k;
2636         int numseparators;
2637         int separatorlen[7];
2638         const char *separators[7];
2639         const char *p, *p0;
2640         const char *token;
2641         char tokentext[MAX_INPUTLINE];
2642
2643         VM_SAFEPARMCOUNTRANGE(2, 8,VM_tokenizebyseparator);
2644
2645         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2646         p = tokenize_string;
2647
2648         numseparators = 0;
2649         for (j = 1;j < prog->argc;j++)
2650         {
2651                 // skip any blank separator strings
2652                 const char *s = PRVM_G_STRING(OFS_PARM0+j*3);
2653                 if (!s[0])
2654                         continue;
2655                 separators[numseparators] = s;
2656                 separatorlen[numseparators] = strlen(s);
2657                 numseparators++;
2658         }
2659
2660         num_tokens = 0;
2661         j = 0;
2662
2663         while (num_tokens < (int)(sizeof(tokens)/sizeof(tokens[0])))
2664         {
2665                 token = tokentext + j;
2666                 tokens_startpos[num_tokens] = p - tokenize_string;
2667                 p0 = p;
2668                 while (*p)
2669                 {
2670                         for (k = 0;k < numseparators;k++)
2671                         {
2672                                 if (!strncmp(p, separators[k], separatorlen[k]))
2673                                 {
2674                                         p += separatorlen[k];
2675                                         break;
2676                                 }
2677                         }
2678                         if (k < numseparators)
2679                                 break;
2680                         if (j < (int)sizeof(tokentext)-1)
2681                                 tokentext[j++] = *p;
2682                         p++;
2683                         p0 = p;
2684                 }
2685                 tokens_endpos[num_tokens] = p0 - tokenize_string;
2686                 if (j >= (int)sizeof(tokentext))
2687                         break;
2688                 tokentext[j++] = 0;
2689                 tokens[num_tokens++] = PRVM_SetTempString(token);
2690                 if (!*p)
2691                         break;
2692         }
2693
2694         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2695 }
2696
2697 //string(float n) argv = #442; // returns a word from the tokenized string (returns nothing for an invalid index)
2698 //this function originally written by KrimZon, made shorter by LordHavoc
2699 void VM_argv (void)
2700 {
2701         int token_num;
2702
2703         VM_SAFEPARMCOUNT(1,VM_argv);
2704
2705         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2706
2707         if(token_num < 0)
2708                 token_num += num_tokens;
2709
2710         if (token_num >= 0 && token_num < num_tokens)
2711                 PRVM_G_INT(OFS_RETURN) = tokens[token_num];
2712         else
2713                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
2714 }
2715
2716 //float(float n) argv_start_index = #515; // returns the start index of a token
2717 void VM_argv_start_index (void)
2718 {
2719         int token_num;
2720
2721         VM_SAFEPARMCOUNT(1,VM_argv);
2722
2723         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2724
2725         if(token_num < 0)
2726                 token_num += num_tokens;
2727
2728         if (token_num >= 0 && token_num < num_tokens)
2729                 PRVM_G_FLOAT(OFS_RETURN) = tokens_startpos[token_num];
2730         else
2731                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2732 }
2733
2734 //float(float n) argv_end_index = #516; // returns the end index of a token
2735 void VM_argv_end_index (void)
2736 {
2737         int token_num;
2738
2739         VM_SAFEPARMCOUNT(1,VM_argv);
2740
2741         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2742
2743         if(token_num < 0)
2744                 token_num += num_tokens;
2745
2746         if (token_num >= 0 && token_num < num_tokens)
2747                 PRVM_G_FLOAT(OFS_RETURN) = tokens_endpos[token_num];
2748         else
2749                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2750 }
2751
2752 /*
2753 =========
2754 VM_isserver
2755
2756 float   isserver()
2757 =========
2758 */
2759 void VM_isserver(void)
2760 {
2761         VM_SAFEPARMCOUNT(0,VM_serverstate);
2762
2763         PRVM_G_FLOAT(OFS_RETURN) = sv.active && (svs.maxclients > 1 || cls.state == ca_dedicated);
2764 }
2765
2766 /*
2767 =========
2768 VM_clientcount
2769
2770 float   clientcount()
2771 =========
2772 */
2773 void VM_clientcount(void)
2774 {
2775         VM_SAFEPARMCOUNT(0,VM_clientcount);
2776
2777         PRVM_G_FLOAT(OFS_RETURN) = svs.maxclients;
2778 }
2779
2780 /*
2781 =========
2782 VM_clientstate
2783
2784 float   clientstate()
2785 =========
2786 */
2787 void VM_clientstate(void)
2788 {
2789         VM_SAFEPARMCOUNT(0,VM_clientstate);
2790
2791
2792         switch( cls.state ) {
2793                 case ca_uninitialized:
2794                 case ca_dedicated:
2795                         PRVM_G_FLOAT(OFS_RETURN) = 0;
2796                         break;
2797                 case ca_disconnected:
2798                         PRVM_G_FLOAT(OFS_RETURN) = 1;
2799                         break;
2800                 case ca_connected:
2801                         PRVM_G_FLOAT(OFS_RETURN) = 2;
2802                         break;
2803                 default:
2804                         // should never be reached!
2805                         break;
2806         }
2807 }
2808
2809 /*
2810 =========
2811 VM_getostype
2812
2813 float   getostype(void)
2814 =========
2815 */ // not used at the moment -> not included in the common list
2816 void VM_getostype(void)
2817 {
2818         VM_SAFEPARMCOUNT(0,VM_getostype);
2819
2820         /*
2821         OS_WINDOWS
2822         OS_LINUX
2823         OS_MAC - not supported
2824         */
2825
2826 #ifdef WIN32
2827         PRVM_G_FLOAT(OFS_RETURN) = 0;
2828 #elif defined(MACOSX)
2829         PRVM_G_FLOAT(OFS_RETURN) = 2;
2830 #else
2831         PRVM_G_FLOAT(OFS_RETURN) = 1;
2832 #endif
2833 }
2834
2835 /*
2836 =========
2837 VM_gettime
2838
2839 float   gettime(void)
2840 =========
2841 */
2842 extern double host_starttime;
2843 float CDAudio_GetPosition(void);
2844 void VM_gettime(void)
2845 {
2846         int timer_index;
2847
2848         VM_SAFEPARMCOUNTRANGE(0,1,VM_gettime);
2849
2850         if(prog->argc == 0)
2851         {
2852                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2853         }
2854         else
2855         {
2856                 timer_index = (int) PRVM_G_FLOAT(OFS_PARM0);
2857         switch(timer_index)
2858         {
2859             case 0: // GETTIME_FRAMESTART
2860                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2861                 break;
2862             case 1: // GETTIME_REALTIME
2863                 PRVM_G_FLOAT(OFS_RETURN) = (float) Sys_DoubleTime();
2864                 break;
2865             case 2: // GETTIME_HIRES
2866                 PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - realtime);
2867                 break;
2868             case 3: // GETTIME_UPTIME
2869                 PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - host_starttime);
2870                 break;
2871             case 4: // GETTIME_CDTRACK
2872                 PRVM_G_FLOAT(OFS_RETURN) = (float) CDAudio_GetPosition();
2873                 break;
2874                         default:
2875                                 VM_Warning("VM_gettime: %s: unsupported timer specified, returning realtime\n", PRVM_NAME);
2876                                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2877                                 break;
2878                 }
2879         }
2880 }
2881
2882 /*
2883 =========
2884 VM_loadfromdata
2885
2886 loadfromdata(string data)
2887 =========
2888 */
2889 void VM_loadfromdata(void)
2890 {
2891         VM_SAFEPARMCOUNT(1,VM_loadentsfromfile);
2892
2893         PRVM_ED_LoadFromFile(PRVM_G_STRING(OFS_PARM0));
2894 }
2895
2896 /*
2897 ========================
2898 VM_parseentitydata
2899
2900 parseentitydata(entity ent, string data)
2901 ========================
2902 */
2903 void VM_parseentitydata(void)
2904 {
2905         prvm_edict_t *ent;
2906         const char *data;
2907
2908         VM_SAFEPARMCOUNT(2, VM_parseentitydata);
2909
2910         // get edict and test it
2911         ent = PRVM_G_EDICT(OFS_PARM0);
2912         if (ent->priv.required->free)
2913                 PRVM_ERROR ("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2914
2915         data = PRVM_G_STRING(OFS_PARM1);
2916
2917         // parse the opening brace
2918         if (!COM_ParseToken_Simple(&data, false, false) || com_token[0] != '{' )
2919                 PRVM_ERROR ("VM_parseentitydata: %s: Couldn't parse entity data:\n%s", PRVM_NAME, data );
2920
2921         PRVM_ED_ParseEdict (data, ent);
2922 }
2923
2924 /*
2925 =========
2926 VM_loadfromfile
2927
2928 loadfromfile(string file)
2929 =========
2930 */
2931 void VM_loadfromfile(void)
2932 {
2933         const char *filename;
2934         char *data;
2935
2936         VM_SAFEPARMCOUNT(1,VM_loadfromfile);
2937
2938         filename = PRVM_G_STRING(OFS_PARM0);
2939         if (FS_CheckNastyPath(filename, false))
2940         {
2941                 PRVM_G_FLOAT(OFS_RETURN) = -4;
2942                 VM_Warning("VM_loadfromfile: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", PRVM_NAME, filename);
2943                 return;
2944         }
2945
2946         // not conform with VM_fopen
2947         data = (char *)FS_LoadFile(filename, tempmempool, false, NULL);
2948         if (data == NULL)
2949                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2950
2951         PRVM_ED_LoadFromFile(data);
2952
2953         if(data)
2954                 Mem_Free(data);
2955 }
2956
2957
2958 /*
2959 =========
2960 VM_modulo
2961
2962 float   mod(float val, float m)
2963 =========
2964 */
2965 void VM_modulo(void)
2966 {
2967         int val, m;
2968         VM_SAFEPARMCOUNT(2,VM_module);
2969
2970         val = (int) PRVM_G_FLOAT(OFS_PARM0);
2971         m       = (int) PRVM_G_FLOAT(OFS_PARM1);
2972
2973         PRVM_G_FLOAT(OFS_RETURN) = (float) (val % m);
2974 }
2975
2976 void VM_Search_Init(void)
2977 {
2978         int i;
2979         for (i = 0;i < PRVM_MAX_OPENSEARCHES;i++)
2980                 prog->opensearches[i] = NULL;
2981 }
2982
2983 void VM_Search_Reset(void)
2984 {
2985         int i;
2986         // reset the fssearch list
2987         for(i = 0; i < PRVM_MAX_OPENSEARCHES; i++)
2988         {
2989                 if(prog->opensearches[i])
2990                         FS_FreeSearch(prog->opensearches[i]);
2991                 prog->opensearches[i] = NULL;
2992         }
2993 }
2994
2995 /*
2996 =========
2997 VM_search_begin
2998
2999 float search_begin(string pattern, float caseinsensitive, float quiet)
3000 =========
3001 */
3002 void VM_search_begin(void)
3003 {
3004         int handle;
3005         const char *pattern;
3006         int caseinsens, quiet;
3007
3008         VM_SAFEPARMCOUNT(3, VM_search_begin);
3009
3010         pattern = PRVM_G_STRING(OFS_PARM0);
3011
3012         VM_CheckEmptyString(pattern);
3013
3014         caseinsens = (int)PRVM_G_FLOAT(OFS_PARM1);
3015         quiet = (int)PRVM_G_FLOAT(OFS_PARM2);
3016
3017         for(handle = 0; handle < PRVM_MAX_OPENSEARCHES; handle++)
3018                 if(!prog->opensearches[handle])
3019                         break;
3020
3021         if(handle >= PRVM_MAX_OPENSEARCHES)
3022         {
3023                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3024                 VM_Warning("VM_search_begin: %s ran out of search handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENSEARCHES);
3025                 return;
3026         }
3027
3028         if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
3029                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3030         else
3031         {
3032                 prog->opensearches_origin[handle] = PRVM_AllocationOrigin();
3033                 PRVM_G_FLOAT(OFS_RETURN) = handle;
3034         }
3035 }
3036
3037 /*
3038 =========
3039 VM_search_end
3040
3041 void    search_end(float handle)
3042 =========
3043 */
3044 void VM_search_end(void)
3045 {
3046         int handle;
3047         VM_SAFEPARMCOUNT(1, VM_search_end);
3048
3049         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3050
3051         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3052         {
3053                 VM_Warning("VM_search_end: invalid handle %i used in %s\n", handle, PRVM_NAME);
3054                 return;
3055         }
3056         if(prog->opensearches[handle] == NULL)
3057         {
3058                 VM_Warning("VM_search_end: no such handle %i in %s\n", handle, PRVM_NAME);
3059                 return;
3060         }
3061
3062         FS_FreeSearch(prog->opensearches[handle]);
3063         prog->opensearches[handle] = NULL;
3064         if(prog->opensearches_origin[handle])
3065                 PRVM_Free((char *)prog->opensearches_origin[handle]);
3066 }
3067
3068 /*
3069 =========
3070 VM_search_getsize
3071
3072 float   search_getsize(float handle)
3073 =========
3074 */
3075 void VM_search_getsize(void)
3076 {
3077         int handle;
3078         VM_SAFEPARMCOUNT(1, VM_M_search_getsize);
3079
3080         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3081
3082         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3083         {
3084                 VM_Warning("VM_search_getsize: invalid handle %i used in %s\n", handle, PRVM_NAME);
3085                 return;
3086         }
3087         if(prog->opensearches[handle] == NULL)
3088         {
3089                 VM_Warning("VM_search_getsize: no such handle %i in %s\n", handle, PRVM_NAME);
3090                 return;
3091         }
3092
3093         PRVM_G_FLOAT(OFS_RETURN) = prog->opensearches[handle]->numfilenames;
3094 }
3095
3096 /*
3097 =========
3098 VM_search_getfilename
3099
3100 string  search_getfilename(float handle, float num)
3101 =========
3102 */
3103 void VM_search_getfilename(void)
3104 {
3105         int handle, filenum;
3106         VM_SAFEPARMCOUNT(2, VM_search_getfilename);
3107
3108         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3109         filenum = (int)PRVM_G_FLOAT(OFS_PARM1);
3110
3111         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3112         {
3113                 VM_Warning("VM_search_getfilename: invalid handle %i used in %s\n", handle, PRVM_NAME);
3114                 return;
3115         }
3116         if(prog->opensearches[handle] == NULL)
3117         {
3118                 VM_Warning("VM_search_getfilename: no such handle %i in %s\n", handle, PRVM_NAME);
3119                 return;
3120         }
3121         if(filenum < 0 || filenum >= prog->opensearches[handle]->numfilenames)
3122         {
3123                 VM_Warning("VM_search_getfilename: invalid filenum %i in %s\n", filenum, PRVM_NAME);
3124                 return;
3125         }
3126
3127         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog->opensearches[handle]->filenames[filenum]);
3128 }
3129
3130 /*
3131 =========
3132 VM_chr
3133
3134 string  chr(float ascii)
3135 =========
3136 */
3137 void VM_chr(void)
3138 {
3139         /*
3140         char tmp[2];
3141         VM_SAFEPARMCOUNT(1, VM_chr);
3142
3143         tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
3144         tmp[1] = 0;
3145
3146         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
3147         */
3148
3149         char tmp[8];
3150         int len;
3151         VM_SAFEPARMCOUNT(1, VM_chr);
3152
3153         len = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0), tmp, sizeof(tmp));
3154         if (len < 0)
3155                 len = 0;
3156         tmp[len] = 0;
3157         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
3158 }
3159
3160 //=============================================================================
3161 // Draw builtins (client & menu)
3162
3163 /*
3164 =========
3165 VM_iscachedpic
3166
3167 float   iscachedpic(string pic)
3168 =========
3169 */
3170 void VM_iscachedpic(void)
3171 {
3172         VM_SAFEPARMCOUNT(1,VM_iscachedpic);
3173
3174         // drawq hasnt such a function, thus always return true
3175         PRVM_G_FLOAT(OFS_RETURN) = false;
3176 }
3177
3178 /*
3179 =========
3180 VM_precache_pic
3181
3182 string  precache_pic(string pic)
3183 =========
3184 */
3185 void VM_precache_pic(void)
3186 {
3187         const char      *s;
3188
3189         VM_SAFEPARMCOUNT(1, VM_precache_pic);
3190
3191         s = PRVM_G_STRING(OFS_PARM0);
3192         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
3193         VM_CheckEmptyString (s);
3194
3195         // AK Draw_CachePic is supposed to always return a valid pointer
3196         if( Draw_CachePic_Flags(s, CACHEPICFLAG_NOTPERSISTENT)->tex == r_texture_notexture )
3197                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
3198 }
3199
3200 /*
3201 =========
3202 VM_freepic
3203
3204 freepic(string s)
3205 =========
3206 */
3207 void VM_freepic(void)
3208 {
3209         const char *s;
3210
3211         VM_SAFEPARMCOUNT(1,VM_freepic);
3212
3213         s = PRVM_G_STRING(OFS_PARM0);
3214         VM_CheckEmptyString (s);
3215
3216         Draw_FreePic(s);
3217 }
3218
3219 dp_font_t *getdrawfont(void)
3220 {
3221         if(prog->globaloffsets.drawfont >= 0)
3222         {
3223                 int f = (int) PRVM_G_FLOAT(prog->globaloffsets.drawfont);
3224                 if(f < 0 || f >= MAX_FONTS)
3225                         return FONT_DEFAULT;
3226                 return &dp_fonts[f];
3227         }
3228         else
3229                 return FONT_DEFAULT;
3230 }
3231
3232 /*
3233 =========
3234 VM_drawcharacter
3235
3236 float   drawcharacter(vector position, float character, vector scale, vector rgb, float alpha, float flag)
3237 =========
3238 */
3239 void VM_drawcharacter(void)
3240 {
3241         float *pos,*scale,*rgb;
3242         char   character;
3243         int flag;
3244         VM_SAFEPARMCOUNT(6,VM_drawcharacter);
3245
3246         character = (char) PRVM_G_FLOAT(OFS_PARM1);
3247         if(character == 0)
3248         {
3249                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3250                 VM_Warning("VM_drawcharacter: %s passed null character !\n",PRVM_NAME);
3251                 return;
3252         }
3253
3254         pos = PRVM_G_VECTOR(OFS_PARM0);
3255         scale = PRVM_G_VECTOR(OFS_PARM2);
3256         rgb = PRVM_G_VECTOR(OFS_PARM3);
3257         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3258
3259         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3260         {
3261                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3262                 VM_Warning("VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3263                 return;
3264         }
3265
3266         if(pos[2] || scale[2])
3267                 Con_Printf("VM_drawcharacter: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
3268
3269         if(!scale[0] || !scale[1])
3270         {
3271                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3272                 VM_Warning("VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3273                 return;
3274         }
3275
3276         DrawQ_String_Font(pos[0], pos[1], &character, 1, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag, NULL, true, getdrawfont());
3277         PRVM_G_FLOAT(OFS_RETURN) = 1;
3278 }
3279
3280 /*
3281 =========
3282 VM_drawstring
3283
3284 float   drawstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3285 =========
3286 */
3287 void VM_drawstring(void)
3288 {
3289         float *pos,*scale,*rgb;
3290         const char  *string;
3291         int flag;
3292         VM_SAFEPARMCOUNT(6,VM_drawstring);
3293
3294         string = PRVM_G_STRING(OFS_PARM1);
3295         pos = PRVM_G_VECTOR(OFS_PARM0);
3296         scale = PRVM_G_VECTOR(OFS_PARM2);
3297         rgb = PRVM_G_VECTOR(OFS_PARM3);
3298         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3299
3300         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3301         {
3302                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3303                 VM_Warning("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3304                 return;
3305         }
3306
3307         if(!scale[0] || !scale[1])
3308         {
3309                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3310                 VM_Warning("VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3311                 return;
3312         }
3313
3314         if(pos[2] || scale[2])
3315                 Con_Printf("VM_drawstring: z value%s from %s discarded\n",(pos[2] && scale[2]) ? "s" : " ",((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
3316
3317         DrawQ_String_Font(pos[0], pos[1], string, 0, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag, NULL, true, getdrawfont());
3318         //Font_DrawString(pos[0], pos[1], string, 0, scale[0], scale[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag, NULL, true);
3319         PRVM_G_FLOAT(OFS_RETURN) = 1;
3320 }
3321
3322 /*
3323 =========
3324 VM_drawcolorcodedstring
3325
3326 float   drawcolorcodedstring(vector position, string text, vector scale, float alpha, float flag)
3327 =========
3328 */
3329 void VM_drawcolorcodedstring(void)
3330 {
3331         float *pos,*scale;
3332         const char  *string;
3333         int flag,color;
3334         VM_SAFEPARMCOUNT(5,VM_drawstring);
3335
3336         string = PRVM_G_STRING(OFS_PARM1);
3337         pos = PRVM_G_VECTOR(OFS_PARM0);
3338         scale = PRVM_G_VECTOR(OFS_PARM2);
3339         flag = (int)PRVM_G_FLOAT(OFS_PARM4);
3340
3341         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3342         {
3343                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3344                 VM_Warning("VM_drawcolorcodedstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3345                 return;
3346         }
3347
3348         if(!scale[0] || !scale[1])
3349         {
3350                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3351                 VM_Warning("VM_drawcolorcodedstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3352                 return;
3353         }
3354
3355         if(pos[2] || scale[2])
3356                 Con_Printf("VM_drawcolorcodedstring: z value%s from %s discarded\n",(pos[2] && scale[2]) ? "s" : " ",((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
3357
3358         color = -1;
3359         DrawQ_String_Font(pos[0], pos[1], string, 0, scale[0], scale[1], 1, 1, 1, PRVM_G_FLOAT(OFS_PARM3), flag, NULL, false, getdrawfont());
3360         PRVM_G_FLOAT(OFS_RETURN) = 1;
3361 }
3362 /*
3363 =========
3364 VM_stringwidth
3365
3366 float   stringwidth(string text, float allowColorCodes, float size)
3367 =========
3368 */
3369 void VM_stringwidth(void)
3370 {
3371         const char  *string;
3372         float *szv;
3373         float mult; // sz is intended font size so we can later add freetype support, mult is font size multiplier in pixels per character cell
3374         int colors;
3375         float x[200];
3376         VM_SAFEPARMCOUNTRANGE(2,3,VM_drawstring);
3377
3378         if(prog->argc == 3)
3379         {
3380                 szv = PRVM_G_VECTOR(OFS_PARM2);
3381                 mult = 1;
3382         }
3383         else
3384         {
3385                 static float defsize[] = {0, 0};
3386                 szv = defsize;
3387                 mult = 1;
3388         }
3389         x[180] = 3;
3390
3391         string = PRVM_G_STRING(OFS_PARM0);
3392         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3393
3394         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_Font_Size(string, szv[0], szv[1], 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
3395 /*
3396         if(prog->argc == 3)
3397         {
3398                 mult = sz = PRVM_G_FLOAT(OFS_PARM2);
3399         }
3400         else
3401         {
3402                 sz = 8;
3403                 mult = 1;
3404         }
3405
3406         string = PRVM_G_STRING(OFS_PARM0);
3407         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3408
3409         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_Font(string, 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
3410 */
3411
3412 }
3413 /*
3414 =========
3415 VM_drawpic
3416
3417 float   drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
3418 =========
3419 */
3420 void VM_drawpic(void)
3421 {
3422         const char *picname;
3423         float *size, *pos, *rgb;
3424         int flag;
3425
3426         VM_SAFEPARMCOUNT(6,VM_drawpic);
3427
3428         picname = PRVM_G_STRING(OFS_PARM1);
3429         VM_CheckEmptyString (picname);
3430
3431         // is pic cached ? no function yet for that
3432         if(!1)
3433         {
3434                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3435                 VM_Warning("VM_drawpic: %s: %s not cached !\n", PRVM_NAME, picname);
3436                 return;
3437         }
3438
3439         pos = PRVM_G_VECTOR(OFS_PARM0);
3440         size = PRVM_G_VECTOR(OFS_PARM2);
3441         rgb = PRVM_G_VECTOR(OFS_PARM3);
3442         flag = (int) PRVM_G_FLOAT(OFS_PARM5);
3443
3444         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3445         {
3446                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3447                 VM_Warning("VM_drawpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3448                 return;
3449         }
3450
3451         if(pos[2] || size[2])
3452                 Con_Printf("VM_drawpic: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
3453
3454         DrawQ_Pic(pos[0], pos[1], Draw_CachePic (picname), size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
3455         PRVM_G_FLOAT(OFS_RETURN) = 1;
3456 }
3457 /*
3458 =========
3459 VM_drawrotpic
3460
3461 float   drawrotpic(vector position, string pic, vector size, vector org, float angle, vector rgb, float alpha, float flag)
3462 =========
3463 */
3464 void VM_drawrotpic(void)
3465 {
3466         const char *picname;
3467         float *size, *pos, *org, *rgb;
3468         int flag;
3469
3470         VM_SAFEPARMCOUNT(8,VM_drawrotpic);
3471
3472         picname = PRVM_G_STRING(OFS_PARM1);
3473         VM_CheckEmptyString (picname);
3474
3475         // is pic cached ? no function yet for that
3476         if(!1)
3477         {
3478                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3479                 VM_Warning("VM_drawrotpic: %s: %s not cached !\n", PRVM_NAME, picname);
3480                 return;
3481         }
3482
3483         pos = PRVM_G_VECTOR(OFS_PARM0);
3484         size = PRVM_G_VECTOR(OFS_PARM2);
3485         org = PRVM_G_VECTOR(OFS_PARM3);
3486         rgb = PRVM_G_VECTOR(OFS_PARM5);
3487         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3488
3489         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3490         {
3491                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3492                 VM_Warning("VM_drawrotpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3493                 return;
3494         }
3495
3496         if(pos[2] || size[2] || org[2])
3497                 Con_Printf("VM_drawrotpic: z value from pos/size/org discarded\n");
3498
3499         DrawQ_RotPic(pos[0], pos[1], Draw_CachePic(picname), size[0], size[1], org[0], org[1], PRVM_G_FLOAT(OFS_PARM4), rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM6), flag);
3500         PRVM_G_FLOAT(OFS_RETURN) = 1;
3501 }
3502 /*
3503 =========
3504 VM_drawsubpic
3505
3506 float   drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
3507
3508 =========
3509 */
3510 void VM_drawsubpic(void)
3511 {
3512         const char *picname;
3513         float *size, *pos, *rgb, *srcPos, *srcSize, alpha;
3514         int flag;
3515
3516         VM_SAFEPARMCOUNT(8,VM_drawsubpic);
3517
3518         picname = PRVM_G_STRING(OFS_PARM2);
3519         VM_CheckEmptyString (picname);
3520
3521         // is pic cached ? no function yet for that
3522         if(!1)
3523         {
3524                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3525                 VM_Warning("VM_drawsubpic: %s: %s not cached !\n", PRVM_NAME, picname);
3526                 return;
3527         }
3528
3529         pos = PRVM_G_VECTOR(OFS_PARM0);
3530         size = PRVM_G_VECTOR(OFS_PARM1);
3531         srcPos = PRVM_G_VECTOR(OFS_PARM3);
3532         srcSize = PRVM_G_VECTOR(OFS_PARM4);
3533         rgb = PRVM_G_VECTOR(OFS_PARM5);
3534         alpha = PRVM_G_FLOAT(OFS_PARM6);
3535         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3536
3537         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3538         {
3539                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3540                 VM_Warning("VM_drawsubpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3541                 return;
3542         }
3543
3544         if(pos[2] || size[2])
3545                 Con_Printf("VM_drawsubpic: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
3546
3547         DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic (picname),
3548                 size[0], size[1],
3549                 srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3550                 srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3551                 srcPos[0],              srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3552                 srcPos[0] + srcSize[0], srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3553                 flag);
3554         PRVM_G_FLOAT(OFS_RETURN) = 1;
3555 }
3556
3557 /*
3558 =========
3559 VM_drawfill
3560
3561 float drawfill(vector position, vector size, vector rgb, float alpha, float flag)
3562 =========
3563 */
3564 void VM_drawfill(void)
3565 {
3566         float *size, *pos, *rgb;
3567         int flag;
3568
3569         VM_SAFEPARMCOUNT(5,VM_drawfill);
3570
3571
3572         pos = PRVM_G_VECTOR(OFS_PARM0);
3573         size = PRVM_G_VECTOR(OFS_PARM1);
3574         rgb = PRVM_G_VECTOR(OFS_PARM2);
3575         flag = (int) PRVM_G_FLOAT(OFS_PARM4);
3576
3577         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3578         {
3579                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3580                 VM_Warning("VM_drawfill: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3581                 return;
3582         }
3583
3584         if(pos[2] || size[2])
3585                 Con_Printf("VM_drawfill: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
3586
3587         DrawQ_Fill(pos[0], pos[1], size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
3588         PRVM_G_FLOAT(OFS_RETURN) = 1;
3589 }
3590
3591 /*
3592 =========
3593 VM_drawsetcliparea
3594
3595 drawsetcliparea(float x, float y, float width, float height)
3596 =========
3597 */
3598 void VM_drawsetcliparea(void)
3599 {
3600         float x,y,w,h;
3601         VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
3602
3603         x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
3604         y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
3605         w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
3606         h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
3607
3608         DrawQ_SetClipArea(x, y, w, h);
3609 }
3610
3611 /*
3612 =========
3613 VM_drawresetcliparea
3614
3615 drawresetcliparea()
3616 =========
3617 */
3618 void VM_drawresetcliparea(void)
3619 {
3620         VM_SAFEPARMCOUNT(0,VM_drawresetcliparea);
3621
3622         DrawQ_ResetClipArea();
3623 }
3624
3625 /*
3626 =========
3627 VM_getimagesize
3628
3629 vector  getimagesize(string pic)
3630 =========
3631 */
3632 void VM_getimagesize(void)
3633 {
3634         const char *p;
3635         cachepic_t *pic;
3636
3637         VM_SAFEPARMCOUNT(1,VM_getimagesize);
3638
3639         p = PRVM_G_STRING(OFS_PARM0);
3640         VM_CheckEmptyString (p);
3641
3642         pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
3643
3644         PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
3645         PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
3646         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
3647 }
3648
3649 /*
3650 =========
3651 VM_keynumtostring
3652
3653 string keynumtostring(float keynum)
3654 =========
3655 */
3656 void VM_keynumtostring (void)
3657 {
3658         VM_SAFEPARMCOUNT(1, VM_keynumtostring);
3659
3660         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0)));
3661 }
3662
3663 /*
3664 =========
3665 VM_findkeysforcommand
3666
3667 string  findkeysforcommand(string command)
3668
3669 the returned string is an altstring
3670 =========
3671 */
3672 #define NUMKEYS 5 // TODO: merge the constant in keys.c with this one somewhen
3673
3674 void M_FindKeysForCommand(const char *command, int *keys);
3675 void VM_findkeysforcommand(void)
3676 {
3677         const char *cmd;
3678         char ret[VM_STRINGTEMP_LENGTH];
3679         int keys[NUMKEYS];
3680         int i;
3681
3682         VM_SAFEPARMCOUNT(1, VM_findkeysforcommand);
3683
3684         cmd = PRVM_G_STRING(OFS_PARM0);
3685
3686         VM_CheckEmptyString(cmd);
3687
3688         M_FindKeysForCommand(cmd, keys);
3689
3690         ret[0] = 0;
3691         for(i = 0; i < NUMKEYS; i++)
3692                 strlcat(ret, va(" \'%i\'", keys[i]), sizeof(ret));
3693
3694         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(ret);
3695 }
3696
3697 /*
3698 =========
3699 VM_stringtokeynum
3700
3701 float stringtokeynum(string key)
3702 =========
3703 */
3704 void VM_stringtokeynum (void)
3705 {
3706         VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
3707
3708         PRVM_G_INT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
3709 }
3710
3711 // CL_Video interface functions
3712
3713 /*
3714 ========================
3715 VM_cin_open
3716
3717 float cin_open(string file, string name)
3718 ========================
3719 */
3720 void VM_cin_open( void )
3721 {
3722         const char *file;
3723         const char *name;
3724
3725         VM_SAFEPARMCOUNT( 2, VM_cin_open );
3726
3727         file = PRVM_G_STRING( OFS_PARM0 );
3728         name = PRVM_G_STRING( OFS_PARM1 );
3729
3730         VM_CheckEmptyString( file );
3731     VM_CheckEmptyString( name );
3732
3733         if( CL_OpenVideo( file, name, MENUOWNER ) )
3734                 PRVM_G_FLOAT( OFS_RETURN ) = 1;
3735         else
3736                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
3737 }
3738
3739 /*
3740 ========================
3741 VM_cin_close
3742
3743 void cin_close(string name)
3744 ========================
3745 */
3746 void VM_cin_close( void )
3747 {
3748         const char *name;
3749
3750         VM_SAFEPARMCOUNT( 1, VM_cin_close );
3751
3752         name = PRVM_G_STRING( OFS_PARM0 );
3753         VM_CheckEmptyString( name );
3754
3755         CL_CloseVideo( CL_GetVideoByName( name ) );
3756 }
3757
3758 /*
3759 ========================
3760 VM_cin_setstate
3761 void cin_setstate(string name, float type)
3762 ========================
3763 */
3764 void VM_cin_setstate( void )
3765 {
3766         const char *name;
3767         clvideostate_t  state;
3768         clvideo_t               *video;
3769
3770         VM_SAFEPARMCOUNT( 2, VM_cin_netstate );
3771
3772         name = PRVM_G_STRING( OFS_PARM0 );
3773         VM_CheckEmptyString( name );
3774
3775         state = (clvideostate_t)((int)PRVM_G_FLOAT( OFS_PARM1 ));
3776
3777         video = CL_GetVideoByName( name );
3778         if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
3779                 CL_SetVideoState( video, state );
3780 }
3781
3782 /*
3783 ========================
3784 VM_cin_getstate
3785
3786 float cin_getstate(string name)
3787 ========================
3788 */
3789 void VM_cin_getstate( void )
3790 {
3791         const char *name;
3792         clvideo_t               *video;
3793
3794         VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
3795
3796         name = PRVM_G_STRING( OFS_PARM0 );
3797         VM_CheckEmptyString( name );
3798
3799         video = CL_GetVideoByName( name );
3800         if( video )
3801                 PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
3802         else
3803                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
3804 }
3805
3806 /*
3807 ========================
3808 VM_cin_restart
3809
3810 void cin_restart(string name)
3811 ========================
3812 */
3813 void VM_cin_restart( void )
3814 {
3815         const char *name;
3816         clvideo_t               *video;
3817
3818         VM_SAFEPARMCOUNT( 1, VM_cin_restart );
3819
3820         name = PRVM_G_STRING( OFS_PARM0 );
3821         VM_CheckEmptyString( name );
3822
3823         video = CL_GetVideoByName( name );
3824         if( video )
3825                 CL_RestartVideo( video );
3826 }
3827
3828 /*
3829 ========================
3830 VM_Gecko_Init
3831 ========================
3832 */
3833 void VM_Gecko_Init( void ) {
3834         // the prog struct is memset to 0 by Initprog? [12/6/2007 Black]
3835         // FIXME: remove the other _Init functions then, too? [12/6/2007 Black]
3836 }
3837
3838 /*
3839 ========================
3840 VM_Gecko_Destroy
3841 ========================
3842 */
3843 void VM_Gecko_Destroy( void ) {
3844         int i;
3845         for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
3846                 clgecko_t **instance = &prog->opengeckoinstances[ i ];
3847                 if( *instance ) {
3848                         CL_Gecko_DestroyBrowser( *instance );
3849                 }
3850                 *instance = NULL;
3851         }
3852 }
3853
3854 /*
3855 ========================
3856 VM_gecko_create
3857
3858 float[bool] gecko_create( string name )
3859 ========================
3860 */
3861 void VM_gecko_create( void ) {
3862         const char *name;
3863         int i;
3864         clgecko_t *instance;
3865
3866         VM_SAFEPARMCOUNT( 1, VM_gecko_create );
3867
3868         name = PRVM_G_STRING( OFS_PARM0 );
3869         VM_CheckEmptyString( name );
3870
3871         // find an empty slot for this gecko browser..
3872         for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
3873                 if( prog->opengeckoinstances[ i ] == NULL ) {
3874                         break;
3875                 }
3876         }
3877         if( i == PRVM_MAX_GECKOINSTANCES ) {
3878                         VM_Warning("VM_gecko_create: %s ran out of gecko handles (%i)\n", PRVM_NAME, PRVM_MAX_GECKOINSTANCES);
3879                         PRVM_G_FLOAT( OFS_RETURN ) = 0;
3880                         return;
3881         }
3882
3883         instance = prog->opengeckoinstances[ i ] = CL_Gecko_CreateBrowser( name, PRVM_GetProgNr() );
3884    if( !instance ) {
3885                 // TODO: error handling [12/3/2007 Black]
3886                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
3887                 return;
3888         }
3889         PRVM_G_FLOAT( OFS_RETURN ) = 1;
3890 }
3891
3892 /*
3893 ========================
3894 VM_gecko_destroy
3895
3896 void gecko_destroy( string name )
3897 ========================
3898 */
3899 void VM_gecko_destroy( void ) {
3900         const char *name;
3901         clgecko_t *instance;
3902
3903         VM_SAFEPARMCOUNT( 1, VM_gecko_destroy );
3904
3905         name = PRVM_G_STRING( OFS_PARM0 );
3906         VM_CheckEmptyString( name );
3907         instance = CL_Gecko_FindBrowser( name );
3908         if( !instance ) {
3909                 return;
3910         }
3911         CL_Gecko_DestroyBrowser( instance );
3912 }
3913
3914 /*
3915 ========================
3916 VM_gecko_navigate
3917
3918 void gecko_navigate( string name, string URI )
3919 ========================
3920 */
3921 void VM_gecko_navigate( void ) {
3922         const char *name;
3923         const char *URI;
3924         clgecko_t *instance;
3925
3926         VM_SAFEPARMCOUNT( 2, VM_gecko_navigate );
3927
3928         name = PRVM_G_STRING( OFS_PARM0 );
3929         URI = PRVM_G_STRING( OFS_PARM1 );
3930         VM_CheckEmptyString( name );
3931         VM_CheckEmptyString( URI );
3932
3933    instance = CL_Gecko_FindBrowser( name );
3934         if( !instance ) {
3935                 return;
3936         }
3937         CL_Gecko_NavigateToURI( instance, URI );
3938 }
3939
3940 /*
3941 ========================
3942 VM_gecko_keyevent
3943
3944 float[bool] gecko_keyevent( string name, float key, float eventtype )
3945 ========================
3946 */
3947 void VM_gecko_keyevent( void ) {
3948         const char *name;
3949         unsigned int key;
3950         clgecko_buttoneventtype_t eventtype;
3951         clgecko_t *instance;
3952
3953         VM_SAFEPARMCOUNT( 3, VM_gecko_keyevent );
3954
3955         name = PRVM_G_STRING( OFS_PARM0 );
3956         VM_CheckEmptyString( name );
3957         key = (unsigned int) PRVM_G_FLOAT( OFS_PARM1 );
3958         switch( (unsigned int) PRVM_G_FLOAT( OFS_PARM2 ) ) {
3959         case 0:
3960                 eventtype = CLG_BET_DOWN;
3961                 break;
3962         case 1:
3963                 eventtype = CLG_BET_UP;
3964                 break;
3965         case 2:
3966                 eventtype = CLG_BET_PRESS;
3967                 break;
3968         case 3:
3969                 eventtype = CLG_BET_DOUBLECLICK;
3970                 break;
3971         default:
3972                 // TODO: console printf? [12/3/2007 Black]
3973                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
3974                 return;
3975         }
3976
3977         instance = CL_Gecko_FindBrowser( name );
3978         if( !instance ) {
3979                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
3980                 return;
3981         }
3982
3983         PRVM_G_FLOAT( OFS_RETURN ) = (CL_Gecko_Event_Key( instance, (keynum_t) key, eventtype ) == true);
3984 }
3985
3986 /*
3987 ========================
3988 VM_gecko_movemouse
3989
3990 void gecko_mousemove( string name, float x, float y )
3991 ========================
3992 */
3993 void VM_gecko_movemouse( void ) {
3994         const char *name;
3995         float x, y;
3996         clgecko_t *instance;
3997
3998         VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
3999
4000         name = PRVM_G_STRING( OFS_PARM0 );
4001         VM_CheckEmptyString( name );
4002         x = PRVM_G_FLOAT( OFS_PARM1 );
4003         y = PRVM_G_FLOAT( OFS_PARM2 );
4004
4005         instance = CL_Gecko_FindBrowser( name );
4006         if( !instance ) {
4007                 return;
4008         }
4009         CL_Gecko_Event_CursorMove( instance, x, y );
4010 }
4011
4012
4013 /*
4014 ========================
4015 VM_gecko_resize
4016
4017 void gecko_resize( string name, float w, float h )
4018 ========================
4019 */
4020 void VM_gecko_resize( void ) {
4021         const char *name;
4022         float w, h;
4023         clgecko_t *instance;
4024
4025         VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
4026
4027         name = PRVM_G_STRING( OFS_PARM0 );
4028         VM_CheckEmptyString( name );
4029         w = PRVM_G_FLOAT( OFS_PARM1 );
4030         h = PRVM_G_FLOAT( OFS_PARM2 );
4031
4032         instance = CL_Gecko_FindBrowser( name );
4033         if( !instance ) {
4034                 return;
4035         }
4036         CL_Gecko_Resize( instance, (int) w, (int) h );
4037 }
4038
4039
4040 /*
4041 ========================
4042 VM_gecko_get_texture_extent
4043
4044 vector gecko_get_texture_extent( string name )
4045 ========================
4046 */
4047 void VM_gecko_get_texture_extent( void ) {
4048         const char *name;
4049         clgecko_t *instance;
4050
4051         VM_SAFEPARMCOUNT( 1, VM_gecko_movemouse );
4052
4053         name = PRVM_G_STRING( OFS_PARM0 );
4054         VM_CheckEmptyString( name );
4055
4056         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4057         instance = CL_Gecko_FindBrowser( name );
4058         if( !instance ) {
4059                 PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
4060                 PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
4061                 return;
4062         }
4063         CL_Gecko_GetTextureExtent( instance,
4064                 PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_RETURN)+1 );
4065 }
4066
4067
4068
4069 /*
4070 ==============
4071 VM_makevectors
4072
4073 Writes new values for v_forward, v_up, and v_right based on angles
4074 void makevectors(vector angle)
4075 ==============
4076 */
4077 void VM_makevectors (void)
4078 {
4079         prvm_eval_t *valforward, *valright, *valup;
4080         valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
4081         valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
4082         valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
4083         if (!valforward || !valright || !valup)
4084         {
4085                 VM_Warning("makevectors: could not find v_forward, v_right, or v_up global variables\n");
4086                 return;
4087         }
4088         VM_SAFEPARMCOUNT(1, VM_makevectors);
4089         AngleVectors (PRVM_G_VECTOR(OFS_PARM0), valforward->vector, valright->vector, valup->vector);
4090 }
4091
4092 /*
4093 ==============
4094 VM_vectorvectors
4095
4096 Writes new values for v_forward, v_up, and v_right based on the given forward vector
4097 vectorvectors(vector)
4098 ==============
4099 */
4100 void VM_vectorvectors (void)
4101 {
4102         prvm_eval_t *valforward, *valright, *valup;
4103         valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
4104         valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
4105         valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
4106         if (!valforward || !valright || !valup)
4107         {
4108                 VM_Warning("vectorvectors: could not find v_forward, v_right, or v_up global variables\n");
4109                 return;
4110         }
4111         VM_SAFEPARMCOUNT(1, VM_vectorvectors);
4112         VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), valforward->vector);
4113         VectorVectors(valforward->vector, valright->vector, valup->vector);
4114 }
4115
4116 /*
4117 ========================
4118 VM_drawline
4119
4120 void drawline(float width, vector pos1, vector pos2, vector rgb, float alpha, float flags)
4121 ========================
4122 */
4123 void VM_drawline (void)
4124 {
4125         float   *c1, *c2, *rgb;
4126         float   alpha, width;
4127         unsigned char   flags;
4128
4129         VM_SAFEPARMCOUNT(6, VM_drawline);
4130         width   = PRVM_G_FLOAT(OFS_PARM0);
4131         c1              = PRVM_G_VECTOR(OFS_PARM1);
4132         c2              = PRVM_G_VECTOR(OFS_PARM2);
4133         rgb             = PRVM_G_VECTOR(OFS_PARM3);
4134         alpha   = PRVM_G_FLOAT(OFS_PARM4);
4135         flags   = (int)PRVM_G_FLOAT(OFS_PARM5);
4136         DrawQ_Line(width, c1[0], c1[1], c2[0], c2[1], rgb[0], rgb[1], rgb[2], alpha, flags);
4137 }
4138
4139 // float(float number, float quantity) bitshift (EXT_BITSHIFT)
4140 void VM_bitshift (void)
4141 {
4142         int n1, n2;
4143         VM_SAFEPARMCOUNT(2, VM_bitshift);
4144
4145         n1 = (int)fabs((float)((int)PRVM_G_FLOAT(OFS_PARM0)));
4146         n2 = (int)PRVM_G_FLOAT(OFS_PARM1);
4147         if(!n1)
4148                 PRVM_G_FLOAT(OFS_RETURN) = n1;
4149         else
4150         if(n2 < 0)
4151                 PRVM_G_FLOAT(OFS_RETURN) = (n1 >> -n2);
4152         else
4153                 PRVM_G_FLOAT(OFS_RETURN) = (n1 << n2);
4154 }
4155
4156 ////////////////////////////////////////
4157 // AltString functions
4158 ////////////////////////////////////////
4159
4160 /*
4161 ========================
4162 VM_altstr_count
4163
4164 float altstr_count(string)
4165 ========================
4166 */
4167 void VM_altstr_count( void )
4168 {
4169         const char *altstr, *pos;
4170         int     count;
4171
4172         VM_SAFEPARMCOUNT( 1, VM_altstr_count );
4173
4174         altstr = PRVM_G_STRING( OFS_PARM0 );
4175         //VM_CheckEmptyString( altstr );
4176
4177         for( count = 0, pos = altstr ; *pos ; pos++ ) {
4178                 if( *pos == '\\' ) {
4179                         if( !*++pos ) {
4180                                 break;
4181                         }
4182                 } else if( *pos == '\'' ) {
4183                         count++;
4184                 }
4185         }
4186
4187         PRVM_G_FLOAT( OFS_RETURN ) = (float) (count / 2);
4188 }
4189
4190 /*
4191 ========================
4192 VM_altstr_prepare
4193
4194 string altstr_prepare(string)
4195 ========================
4196 */
4197 void VM_altstr_prepare( void )
4198 {
4199         char *out;
4200         const char *instr, *in;
4201         int size;
4202         char outstr[VM_STRINGTEMP_LENGTH];
4203
4204         VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
4205
4206         instr = PRVM_G_STRING( OFS_PARM0 );
4207
4208         for( out = outstr, in = instr, size = sizeof(outstr) - 1 ; size && *in ; size--, in++, out++ )
4209                 if( *in == '\'' ) {
4210                         *out++ = '\\';
4211                         *out = '\'';
4212                         size--;
4213                 } else
4214                         *out = *in;
4215         *out = 0;
4216
4217         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4218 }
4219
4220 /*
4221 ========================
4222 VM_altstr_get
4223
4224 string altstr_get(string, float)
4225 ========================
4226 */
4227 void VM_altstr_get( void )
4228 {
4229         const char *altstr, *pos;
4230         char *out;
4231         int count, size;
4232         char outstr[VM_STRINGTEMP_LENGTH];
4233
4234         VM_SAFEPARMCOUNT( 2, VM_altstr_get );
4235
4236         altstr = PRVM_G_STRING( OFS_PARM0 );
4237
4238         count = (int)PRVM_G_FLOAT( OFS_PARM1 );
4239         count = count * 2 + 1;
4240
4241         for( pos = altstr ; *pos && count ; pos++ )
4242                 if( *pos == '\\' ) {
4243                         if( !*++pos )
4244                                 break;
4245                 } else if( *pos == '\'' )
4246                         count--;
4247
4248         if( !*pos ) {
4249                 PRVM_G_INT( OFS_RETURN ) = 0;
4250                 return;
4251         }
4252
4253         for( out = outstr, size = sizeof(outstr) - 1 ; size && *pos ; size--, pos++, out++ )
4254                 if( *pos == '\\' ) {
4255                         if( !*++pos )
4256                                 break;
4257                         *out = *pos;
4258                         size--;
4259                 } else if( *pos == '\'' )
4260                         break;
4261                 else
4262                         *out = *pos;
4263
4264         *out = 0;
4265         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4266 }
4267
4268 /*
4269 ========================
4270 VM_altstr_set
4271
4272 string altstr_set(string altstr, float num, string set)
4273 ========================
4274 */
4275 void VM_altstr_set( void )
4276 {
4277     int num;
4278         const char *altstr, *str;
4279         const char *in;
4280         char *out;
4281         char outstr[VM_STRINGTEMP_LENGTH];
4282
4283         VM_SAFEPARMCOUNT( 3, VM_altstr_set );
4284
4285         altstr = PRVM_G_STRING( OFS_PARM0 );
4286
4287         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4288
4289         str = PRVM_G_STRING( OFS_PARM2 );
4290
4291         out = outstr;
4292         for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
4293                 if( *in == '\\' ) {
4294                         if( !*++in ) {
4295                                 break;
4296                         }
4297                 } else if( *in == '\'' ) {
4298                         num--;
4299                 }
4300
4301         // copy set in
4302         for( ; *str; *out++ = *str++ );
4303         // now jump over the old content
4304         for( ; *in ; in++ )
4305                 if( *in == '\'' || (*in == '\\' && !*++in) )
4306                         break;
4307
4308         strlcpy(out, in, outstr + sizeof(outstr) - out);
4309         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4310 }
4311
4312 /*
4313 ========================
4314 VM_altstr_ins
4315 insert after num
4316 string  altstr_ins(string altstr, float num, string set)
4317 ========================
4318 */
4319 void VM_altstr_ins(void)
4320 {
4321         int num;
4322         const char *setstr;
4323         const char *set;
4324         const char *instr;
4325         const char *in;
4326         char *out;
4327         char outstr[VM_STRINGTEMP_LENGTH];
4328
4329         VM_SAFEPARMCOUNT(3, VM_altstr_ins);
4330
4331         in = instr = PRVM_G_STRING( OFS_PARM0 );
4332         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4333         set = setstr = PRVM_G_STRING( OFS_PARM2 );
4334
4335         out = outstr;
4336         for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
4337                 if( *in == '\\' ) {
4338                         if( !*++in ) {
4339                                 break;
4340                         }
4341                 } else if( *in == '\'' ) {
4342                         num--;
4343                 }
4344
4345         *out++ = '\'';
4346         for( ; *set ; *out++ = *set++ );
4347         *out++ = '\'';
4348
4349         strlcpy(out, in, outstr + sizeof(outstr) - out);
4350         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4351 }
4352
4353
4354 ////////////////////////////////////////
4355 // BufString functions
4356 ////////////////////////////////////////
4357 //[515]: string buffers support
4358
4359 static size_t stringbuffers_sortlength;
4360
4361 static void BufStr_Expand(prvm_stringbuffer_t *stringbuffer, int strindex)
4362 {
4363         if (stringbuffer->max_strings <= strindex)
4364         {
4365                 char **oldstrings = stringbuffer->strings;
4366                 stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
4367                 while (stringbuffer->max_strings <= strindex)
4368                         stringbuffer->max_strings *= 2;
4369                 stringbuffer->strings = (char **) Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
4370                 if (stringbuffer->num_strings > 0)
4371                         memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
4372                 if (oldstrings)
4373                         Mem_Free(oldstrings);
4374         }
4375 }
4376
4377 static void BufStr_Shrink(prvm_stringbuffer_t *stringbuffer)
4378 {
4379         // reduce num_strings if there are empty string slots at the end
4380         while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
4381                 stringbuffer->num_strings--;
4382
4383         // if empty, free the string pointer array
4384         if (stringbuffer->num_strings == 0)
4385         {
4386                 stringbuffer->max_strings = 0;
4387                 if (stringbuffer->strings)
4388                         Mem_Free(stringbuffer->strings);
4389                 stringbuffer->strings = NULL;
4390         }
4391 }
4392
4393 static int BufStr_SortStringsUP (const void *in1, const void *in2)
4394 {
4395         const char *a, *b;
4396         a = *((const char **) in1);
4397         b = *((const char **) in2);
4398         if(!a[0])       return 1;
4399         if(!b[0])       return -1;
4400         return strncmp(a, b, stringbuffers_sortlength);
4401 }
4402
4403 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
4404 {
4405         const char *a, *b;
4406         a = *((const char **) in1);
4407         b = *((const char **) in2);
4408         if(!a[0])       return 1;
4409         if(!b[0])       return -1;
4410         return strncmp(b, a, stringbuffers_sortlength);
4411 }
4412
4413 /*
4414 ========================
4415 VM_buf_create
4416 creates new buffer, and returns it's index, returns -1 if failed
4417 float buf_create(void) = #460;
4418 ========================
4419 */
4420 void VM_buf_create (void)
4421 {
4422         prvm_stringbuffer_t *stringbuffer;
4423         int i;
4424         VM_SAFEPARMCOUNT(0, VM_buf_create);
4425         stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4426         for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4427         stringbuffer->origin = PRVM_AllocationOrigin();
4428         PRVM_G_FLOAT(OFS_RETURN) = i;
4429 }
4430
4431 /*
4432 ========================
4433 VM_buf_del
4434 deletes buffer and all strings in it
4435 void buf_del(float bufhandle) = #461;
4436 ========================
4437 */
4438 void VM_buf_del (void)
4439 {
4440         prvm_stringbuffer_t *stringbuffer;
4441         VM_SAFEPARMCOUNT(1, VM_buf_del);
4442         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4443         if (stringbuffer)
4444         {
4445                 int i;
4446                 for (i = 0;i < stringbuffer->num_strings;i++)
4447                         if (stringbuffer->strings[i])
4448                                 Mem_Free(stringbuffer->strings[i]);
4449                 if (stringbuffer->strings)
4450                         Mem_Free(stringbuffer->strings);
4451                 if(stringbuffer->origin)
4452                         PRVM_Free((char *)stringbuffer->origin);
4453                 Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
4454         }
4455         else
4456         {
4457                 VM_Warning("VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4458                 return;
4459         }
4460 }
4461
4462 /*
4463 ========================
4464 VM_buf_getsize
4465 how many strings are stored in buffer
4466 float buf_getsize(float bufhandle) = #462;
4467 ========================
4468 */
4469 void VM_buf_getsize (void)
4470 {
4471         prvm_stringbuffer_t *stringbuffer;
4472         VM_SAFEPARMCOUNT(1, VM_buf_getsize);
4473
4474         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4475         if(!stringbuffer)
4476         {
4477                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4478                 VM_Warning("VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4479                 return;
4480         }
4481         else
4482                 PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
4483 }
4484
4485 /*
4486 ========================
4487 VM_buf_copy
4488 copy all content from one buffer to another, make sure it exists
4489 void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
4490 ========================
4491 */
4492 void VM_buf_copy (void)
4493 {
4494         prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
4495         int i;
4496         VM_SAFEPARMCOUNT(2, VM_buf_copy);
4497
4498         srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4499         if(!srcstringbuffer)
4500         {
4501                 VM_Warning("VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4502                 return;
4503         }
4504         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4505         if(i == (int)PRVM_G_FLOAT(OFS_PARM0))
4506         {
4507                 VM_Warning("VM_buf_copy: source == destination (%i) in %s\n", i, PRVM_NAME);
4508                 return;
4509         }
4510         dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4511         if(!dststringbuffer)
4512         {
4513                 VM_Warning("VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
4514                 return;
4515         }
4516
4517         for (i = 0;i < dststringbuffer->num_strings;i++)
4518                 if (dststringbuffer->strings[i])
4519                         Mem_Free(dststringbuffer->strings[i]);
4520         if (dststringbuffer->strings)
4521                 Mem_Free(dststringbuffer->strings);
4522         *dststringbuffer = *srcstringbuffer;
4523         if (dststringbuffer->max_strings)
4524                 dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
4525
4526         for (i = 0;i < dststringbuffer->num_strings;i++)
4527         {
4528                 if (srcstringbuffer->strings[i])
4529                 {
4530                         size_t stringlen;
4531                         stringlen = strlen(srcstringbuffer->strings[i]) + 1;
4532                         dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
4533                         memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
4534                 }
4535         }
4536 }
4537
4538 /*
4539 ========================
4540 VM_buf_sort
4541 sort buffer by beginnings of strings (cmplength defaults it's length)
4542 "backward == TRUE" means that sorting goes upside-down
4543 void buf_sort(float bufhandle, float cmplength, float backward) = #464;
4544 ========================
4545 */
4546 void VM_buf_sort (void)
4547 {
4548         prvm_stringbuffer_t *stringbuffer;
4549         VM_SAFEPARMCOUNT(3, VM_buf_sort);
4550
4551         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4552         if(!stringbuffer)
4553         {
4554                 VM_Warning("VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4555                 return;
4556         }
4557         if(stringbuffer->num_strings <= 0)
4558         {
4559                 VM_Warning("VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4560                 return;
4561         }
4562         stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
4563         if(stringbuffers_sortlength <= 0)
4564                 stringbuffers_sortlength = 0x7FFFFFFF;
4565
4566         if(!PRVM_G_FLOAT(OFS_PARM2))
4567                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
4568         else
4569                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
4570
4571         BufStr_Shrink(stringbuffer);
4572 }
4573
4574 /*
4575 ========================
4576 VM_buf_implode
4577 concantenates all buffer string into one with "glue" separator and returns it as tempstring
4578 string buf_implode(float bufhandle, string glue) = #465;
4579 ========================
4580 */
4581 void VM_buf_implode (void)
4582 {
4583         prvm_stringbuffer_t *stringbuffer;
4584         char                    k[VM_STRINGTEMP_LENGTH];
4585         const char              *sep;
4586         int                             i;
4587         size_t                  l;
4588         VM_SAFEPARMCOUNT(2, VM_buf_implode);
4589
4590         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4591         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4592         if(!stringbuffer)
4593         {
4594                 VM_Warning("VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4595                 return;
4596         }
4597         if(!stringbuffer->num_strings)
4598                 return;
4599         sep = PRVM_G_STRING(OFS_PARM1);
4600         k[0] = 0;
4601         for(l = i = 0;i < stringbuffer->num_strings;i++)
4602         {
4603                 if(stringbuffer->strings[i])
4604                 {
4605                         l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
4606                         if (l >= sizeof(k) - 1)
4607                                 break;
4608                         strlcat(k, sep, sizeof(k));
4609                         strlcat(k, stringbuffer->strings[i], sizeof(k));
4610                 }
4611         }
4612         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(k);
4613 }
4614
4615 /*
4616 ========================
4617 VM_bufstr_get
4618 get a string from buffer, returns tempstring, dont str_unzone it!
4619 string bufstr_get(float bufhandle, float string_index) = #465;
4620 ========================
4621 */
4622 void VM_bufstr_get (void)
4623 {
4624         prvm_stringbuffer_t *stringbuffer;
4625         int                             strindex;
4626         VM_SAFEPARMCOUNT(2, VM_bufstr_get);
4627
4628         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4629         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4630         if(!stringbuffer)
4631         {
4632                 VM_Warning("VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4633                 return;
4634         }
4635         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4636         if (strindex < 0)
4637         {
4638                 VM_Warning("VM_bufstr_get: invalid string index %i used in %s\n", strindex, PRVM_NAME);
4639                 return;
4640         }
4641         if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
4642                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(stringbuffer->strings[strindex]);
4643 }
4644
4645 /*
4646 ========================
4647 VM_bufstr_set
4648 copies a string into selected slot of buffer
4649 void bufstr_set(float bufhandle, float string_index, string str) = #466;
4650 ========================
4651 */
4652 void VM_bufstr_set (void)
4653 {
4654         int                             strindex;
4655         prvm_stringbuffer_t *stringbuffer;
4656         const char              *news;
4657
4658         VM_SAFEPARMCOUNT(3, VM_bufstr_set);
4659
4660         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4661         if(!stringbuffer)
4662         {
4663                 VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4664                 return;
4665         }
4666         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4667         if(strindex < 0 || strindex >= 1000000) // huge number of strings
4668         {
4669                 VM_Warning("VM_bufstr_set: invalid string index %i used in %s\n", strindex, PRVM_NAME);
4670                 return;
4671         }
4672
4673         BufStr_Expand(stringbuffer, strindex);
4674         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
4675
4676         if(stringbuffer->strings[strindex])
4677                 Mem_Free(stringbuffer->strings[strindex]);
4678         stringbuffer->strings[strindex] = NULL;
4679
4680         news = PRVM_G_STRING(OFS_PARM2);
4681         if (news && news[0])
4682         {
4683                 size_t alloclen = strlen(news) + 1;
4684                 stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
4685                 memcpy(stringbuffer->strings[strindex], news, alloclen);
4686         }
4687
4688         BufStr_Shrink(stringbuffer);
4689 }
4690
4691 /*
4692 ========================
4693 VM_bufstr_add
4694 adds string to buffer in first free slot and returns its index
4695 "order == TRUE" means that string will be added after last "full" slot
4696 float bufstr_add(float bufhandle, string str, float order) = #467;
4697 ========================
4698 */
4699 void VM_bufstr_add (void)
4700 {
4701         int                             order, strindex;
4702         prvm_stringbuffer_t *stringbuffer;
4703         const char              *string;
4704         size_t                  alloclen;
4705
4706         VM_SAFEPARMCOUNT(3, VM_bufstr_add);
4707
4708         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4709         PRVM_G_FLOAT(OFS_RETURN) = -1;
4710         if(!stringbuffer)
4711         {
4712                 VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4713                 return;
4714         }
4715         string = PRVM_G_STRING(OFS_PARM1);
4716         if(!string || !string[0])
4717         {
4718                 VM_Warning("VM_bufstr_add: can not add an empty string to buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4719                 return;
4720         }
4721         order = (int)PRVM_G_FLOAT(OFS_PARM2);
4722         if(order)
4723                 strindex = stringbuffer->num_strings;
4724         else
4725                 for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
4726                         if (stringbuffer->strings[strindex] == NULL)
4727                                 break;
4728
4729         BufStr_Expand(stringbuffer, strindex);
4730
4731         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
4732         alloclen = strlen(string) + 1;
4733         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
4734         memcpy(stringbuffer->strings[strindex], string, alloclen);
4735
4736         PRVM_G_FLOAT(OFS_RETURN) = strindex;
4737 }
4738
4739 /*
4740 ========================
4741 VM_bufstr_free
4742 delete string from buffer
4743 void bufstr_free(float bufhandle, float string_index) = #468;
4744 ========================
4745 */
4746 void VM_bufstr_free (void)
4747 {
4748         int                             i;
4749         prvm_stringbuffer_t     *stringbuffer;
4750         VM_SAFEPARMCOUNT(2, VM_bufstr_free);
4751
4752         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4753         if(!stringbuffer)
4754         {
4755                 VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4756                 return;
4757         }
4758         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4759         if(i < 0)
4760         {
4761                 VM_Warning("VM_bufstr_free: invalid string index %i used in %s\n", i, PRVM_NAME);
4762                 return;
4763         }
4764
4765         if (i < stringbuffer->num_strings)
4766         {
4767                 if(stringbuffer->strings[i])
4768                         Mem_Free(stringbuffer->strings[i]);
4769                 stringbuffer->strings[i] = NULL;
4770         }
4771
4772         BufStr_Shrink(stringbuffer);
4773 }
4774
4775
4776
4777
4778
4779
4780
4781 void VM_buf_cvarlist(void)
4782 {
4783         cvar_t *cvar;
4784         const char *partial, *antipartial;
4785         size_t len, antilen;
4786         size_t alloclen;
4787         qboolean ispattern, antiispattern;
4788         int n;
4789         prvm_stringbuffer_t     *stringbuffer;
4790         VM_SAFEPARMCOUNTRANGE(2, 3, VM_buf_cvarlist);
4791
4792         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4793         if(!stringbuffer)
4794         {
4795                 VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4796                 return;
4797         }
4798
4799         partial = PRVM_G_STRING(OFS_PARM1);
4800         if(!partial)
4801                 len = 0;
4802         else
4803                 len = strlen(partial);
4804
4805         if(prog->argc == 3)
4806                 antipartial = PRVM_G_STRING(OFS_PARM2);
4807         else
4808                 antipartial = NULL;
4809         if(!antipartial)
4810                 antilen = 0;
4811         else
4812                 antilen = strlen(antipartial);
4813
4814         for (n = 0;n < stringbuffer->num_strings;n++)
4815                 if (stringbuffer->strings[n])
4816                         Mem_Free(stringbuffer->strings[n]);
4817         if (stringbuffer->strings)
4818                 Mem_Free(stringbuffer->strings);
4819         stringbuffer->strings = NULL;
4820
4821         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
4822         antiispattern = antipartial && (strchr(antipartial, '*') || strchr(antipartial, '?'));
4823
4824         n = 0;
4825         for(cvar = cvar_vars; cvar; cvar = cvar->next)
4826         {
4827                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
4828                         continue;
4829
4830                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
4831                         continue;
4832
4833                 ++n;
4834         }
4835
4836         stringbuffer->max_strings = stringbuffer->num_strings = n;
4837         if (stringbuffer->max_strings)
4838                 stringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(stringbuffer->strings[0]) * stringbuffer->max_strings);
4839
4840         n = 0;
4841         for(cvar = cvar_vars; cvar; cvar = cvar->next)
4842         {
4843                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
4844                         continue;
4845
4846                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
4847                         continue;
4848
4849                 alloclen = strlen(cvar->name) + 1;
4850                 stringbuffer->strings[n] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
4851                 memcpy(stringbuffer->strings[n], cvar->name, alloclen);
4852
4853                 ++n;
4854         }
4855 }
4856
4857
4858
4859
4860 //=============
4861
4862 /*
4863 ==============
4864 VM_changeyaw
4865
4866 This was a major timewaster in progs, so it was converted to C
4867 ==============
4868 */
4869 void VM_changeyaw (void)
4870 {
4871         prvm_edict_t            *ent;
4872         float           ideal, current, move, speed;
4873
4874         // this is called (VERY HACKISHLY) by SV_MoveToGoal, so it can not use any
4875         // parameters because they are the parameters to SV_MoveToGoal, not this
4876         //VM_SAFEPARMCOUNT(0, VM_changeyaw);
4877
4878         ent = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
4879         if (ent == prog->edicts)
4880         {
4881                 VM_Warning("changeyaw: can not modify world entity\n");
4882                 return;
4883         }
4884         if (ent->priv.server->free)
4885         {
4886                 VM_Warning("changeyaw: can not modify free entity\n");
4887                 return;
4888         }
4889         if (prog->fieldoffsets.angles < 0 || prog->fieldoffsets.ideal_yaw < 0 || prog->fieldoffsets.yaw_speed < 0)
4890         {
4891                 VM_Warning("changeyaw: angles, ideal_yaw, or yaw_speed field(s) not found\n");
4892                 return;
4893         }
4894         current = ANGLEMOD(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[1]);
4895         ideal = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.ideal_yaw)->_float;
4896         speed = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.yaw_speed)->_float;
4897
4898         if (current == ideal)
4899                 return;
4900         move = ideal - current;
4901         if (ideal > current)
4902         {
4903                 if (move >= 180)
4904                         move = move - 360;
4905         }
4906         else
4907         {
4908                 if (move <= -180)
4909                         move = move + 360;
4910         }
4911         if (move > 0)
4912         {
4913                 if (move > speed)
4914                         move = speed;
4915         }
4916         else
4917         {
4918                 if (move < -speed)
4919                         move = -speed;
4920         }
4921
4922         PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[1] = ANGLEMOD (current + move);
4923 }
4924
4925 /*
4926 ==============
4927 VM_changepitch
4928 ==============
4929 */
4930 void VM_changepitch (void)
4931 {
4932         prvm_edict_t            *ent;
4933         float           ideal, current, move, speed;
4934
4935         VM_SAFEPARMCOUNT(1, VM_changepitch);
4936
4937         ent = PRVM_G_EDICT(OFS_PARM0);
4938         if (ent == prog->edicts)
4939         {
4940                 VM_Warning("changepitch: can not modify world entity\n");
4941                 return;
4942         }
4943         if (ent->priv.server->free)
4944         {
4945                 VM_Warning("changepitch: can not modify free entity\n");
4946                 return;
4947         }
4948         if (prog->fieldoffsets.angles < 0 || prog->fieldoffsets.idealpitch < 0 || prog->fieldoffsets.pitch_speed < 0)
4949         {
4950                 VM_Warning("changepitch: angles, idealpitch, or pitch_speed field(s) not found\n");
4951                 return;
4952         }
4953         current = ANGLEMOD(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0]);
4954         ideal = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.idealpitch)->_float;
4955         speed = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pitch_speed)->_float;
4956
4957         if (current == ideal)
4958                 return;
4959         move = ideal - current;
4960         if (ideal > current)
4961         {
4962                 if (move >= 180)
4963                         move = move - 360;
4964         }
4965         else
4966         {
4967                 if (move <= -180)
4968                         move = move + 360;
4969         }
4970         if (move > 0)
4971         {
4972                 if (move > speed)
4973                         move = speed;
4974         }
4975         else
4976         {
4977                 if (move < -speed)
4978                         move = -speed;
4979         }
4980
4981         PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0] = ANGLEMOD (current + move);
4982 }
4983
4984
4985 void VM_uncolorstring (void)
4986 {
4987         char szNewString[VM_STRINGTEMP_LENGTH];
4988         const char *szString;
4989
4990         // Prepare Strings
4991         VM_SAFEPARMCOUNT(1, VM_uncolorstring);
4992         szString = PRVM_G_STRING(OFS_PARM0);
4993         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
4994         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
4995
4996 }
4997
4998 // #221 float(string str, string sub[, float startpos]) strstrofs (FTE_STRINGS)
4999 //strstr, without generating a new string. Use in conjunction with FRIK_FILE's substring for more similar strstr.
5000 void VM_strstrofs (void)
5001 {
5002         const char *instr, *match;
5003         int firstofs;
5004         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strstrofs);
5005         instr = PRVM_G_STRING(OFS_PARM0);
5006         match = PRVM_G_STRING(OFS_PARM1);
5007         firstofs = (prog->argc > 2)?(int)PRVM_G_FLOAT(OFS_PARM2):0;
5008         firstofs = u8_bytelen(instr, firstofs);
5009
5010         if (firstofs && (firstofs < 0 || firstofs > (int)strlen(instr)))
5011         {
5012                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5013                 return;
5014         }
5015
5016         match = strstr(instr+firstofs, match);
5017         if (!match)
5018                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5019         else
5020                 PRVM_G_FLOAT(OFS_RETURN) = match - instr;
5021 }
5022
5023 //#222 string(string s, float index) str2chr (FTE_STRINGS)
5024 void VM_str2chr (void)
5025 {
5026         const char *s;
5027         Uchar ch;
5028         int index;
5029         VM_SAFEPARMCOUNT(2, VM_str2chr);
5030         s = PRVM_G_STRING(OFS_PARM0);
5031         index = u8_bytelen(s, (int)PRVM_G_FLOAT(OFS_PARM1));
5032
5033         if((unsigned)index < strlen(s))
5034         {
5035                 ch = u8_getchar(s + index, NULL);
5036                 PRVM_G_FLOAT(OFS_RETURN) = ch;
5037         }
5038         else
5039                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5040 }
5041
5042 //#223 string(float c, ...) chr2str (FTE_STRINGS)
5043 void VM_chr2str (void)
5044 {
5045         /*
5046         char    t[9];
5047         int             i;
5048         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5049         for(i = 0;i < prog->argc && i < (int)sizeof(t) - 1;i++)
5050                 t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
5051         t[i] = 0;
5052         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
5053         */
5054         char t[9 * 4 + 1];
5055         int i;
5056         size_t len = 0;
5057         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5058         for(i = 0; i < prog->argc && len < sizeof(t)-1; ++i)
5059         {
5060                 int add = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0+i*3), t + len, sizeof(t)-1);
5061                 if(add > 0)
5062                         len += add;
5063         }
5064         t[len] = 0;
5065         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
5066 }
5067
5068 static int chrconv_number(int i, int base, int conv)
5069 {
5070         i -= base;
5071         switch (conv)
5072         {
5073         default:
5074         case 5:
5075         case 6:
5076         case 0:
5077                 break;
5078         case 1:
5079                 base = '0';
5080                 break;
5081         case 2:
5082                 base = '0'+128;
5083                 break;
5084         case 3:
5085                 base = '0'-30;
5086                 break;
5087         case 4:
5088                 base = '0'+128-30;
5089                 break;
5090         }
5091         return i + base;
5092 }
5093 static int chrconv_punct(int i, int base, int conv)
5094 {
5095         i -= base;
5096         switch (conv)
5097         {
5098         default:
5099         case 0:
5100                 break;
5101         case 1:
5102                 base = 0;
5103                 break;
5104         case 2:
5105                 base = 128;
5106                 break;
5107         }
5108         return i + base;
5109 }
5110
5111 static int chrchar_alpha(int i, int basec, int baset, int convc, int convt, int charnum)
5112 {
5113         //convert case and colour seperatly...
5114
5115         i -= baset + basec;
5116         switch (convt)
5117         {
5118         default:
5119         case 0:
5120                 break;
5121         case 1:
5122                 baset = 0;
5123                 break;
5124         case 2:
5125                 baset = 128;
5126                 break;
5127
5128         case 5:
5129         case 6:
5130                 baset = 128*((charnum&1) == (convt-5));
5131                 break;
5132         }
5133
5134         switch (convc)
5135         {
5136         default:
5137         case 0:
5138                 break;
5139         case 1:
5140                 basec = 'a';
5141                 break;
5142         case 2:
5143                 basec = 'A';
5144                 break;
5145         }
5146         return i + basec + baset;
5147 }
5148 // #224 string(float ccase, float calpha, float cnum, string s, ...) strconv (FTE_STRINGS)
5149 //bulk convert a string. change case or colouring.
5150 void VM_strconv (void)
5151 {
5152         int ccase, redalpha, rednum, len, i;
5153         unsigned char resbuf[VM_STRINGTEMP_LENGTH];
5154         unsigned char *result = resbuf;
5155
5156         VM_SAFEPARMCOUNTRANGE(3, 8, VM_strconv);
5157
5158         ccase = (int) PRVM_G_FLOAT(OFS_PARM0);  //0 same, 1 lower, 2 upper
5159         redalpha = (int) PRVM_G_FLOAT(OFS_PARM1);       //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
5160         rednum = (int) PRVM_G_FLOAT(OFS_PARM2); //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
5161         VM_VarString(3, (char *) resbuf, sizeof(resbuf));
5162         len = strlen((char *) resbuf);
5163
5164         for (i = 0; i < len; i++, result++)     //should this be done backwards?
5165         {
5166                 if (*result >= '0' && *result <= '9')   //normal numbers...
5167                         *result = chrconv_number(*result, '0', rednum);
5168                 else if (*result >= '0'+128 && *result <= '9'+128)
5169                         *result = chrconv_number(*result, '0'+128, rednum);
5170                 else if (*result >= '0'+128-30 && *result <= '9'+128-30)
5171                         *result = chrconv_number(*result, '0'+128-30, rednum);
5172                 else if (*result >= '0'-30 && *result <= '9'-30)
5173                         *result = chrconv_number(*result, '0'-30, rednum);
5174
5175                 else if (*result >= 'a' && *result <= 'z')      //normal numbers...
5176                         *result = chrchar_alpha(*result, 'a', 0, ccase, redalpha, i);
5177                 else if (*result >= 'A' && *result <= 'Z')      //normal numbers...
5178                         *result = chrchar_alpha(*result, 'A', 0, ccase, redalpha, i);
5179                 else if (*result >= 'a'+128 && *result <= 'z'+128)      //normal numbers...
5180                         *result = chrchar_alpha(*result, 'a', 128, ccase, redalpha, i);
5181                 else if (*result >= 'A'+128 && *result <= 'Z'+128)      //normal numbers...
5182                         *result = chrchar_alpha(*result, 'A', 128, ccase, redalpha, i);
5183
5184                 else if ((*result & 127) < 16 || !redalpha)     //special chars..
5185                         *result = *result;
5186                 else if (*result < 128)
5187                         *result = chrconv_punct(*result, 0, redalpha);
5188                 else
5189                         *result = chrconv_punct(*result, 128, redalpha);
5190         }
5191         *result = '\0';
5192
5193         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString((char *) resbuf);
5194 }
5195
5196 // #225 string(float chars, string s, ...) strpad (FTE_STRINGS)
5197 void VM_strpad (void)
5198 {
5199         char src[VM_STRINGTEMP_LENGTH];
5200         char destbuf[VM_STRINGTEMP_LENGTH];
5201         int pad;
5202         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strpad);
5203         pad = (int) PRVM_G_FLOAT(OFS_PARM0);
5204         VM_VarString(1, src, sizeof(src));
5205
5206         // note: < 0 = left padding, > 0 = right padding,
5207         // this is reverse logic of printf!
5208         dpsnprintf(destbuf, sizeof(destbuf), "%*s", -pad, src);
5209
5210         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(destbuf);
5211 }
5212
5213 // #226 string(string info, string key, string value, ...) infoadd (FTE_STRINGS)
5214 //uses qw style \key\value strings
5215 void VM_infoadd (void)
5216 {
5217         const char *info, *key;
5218         char value[VM_STRINGTEMP_LENGTH];
5219         char temp[VM_STRINGTEMP_LENGTH];
5220
5221         VM_SAFEPARMCOUNTRANGE(2, 8, VM_infoadd);
5222         info = PRVM_G_STRING(OFS_PARM0);
5223         key = PRVM_G_STRING(OFS_PARM1);
5224         VM_VarString(2, value, sizeof(value));
5225
5226         strlcpy(temp, info, VM_STRINGTEMP_LENGTH);
5227
5228         InfoString_SetValue(temp, VM_STRINGTEMP_LENGTH, key, value);
5229
5230         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(temp);
5231 }
5232
5233 // #227 string(string info, string key) infoget (FTE_STRINGS)
5234 //uses qw style \key\value strings
5235 void VM_infoget (void)
5236 {
5237         const char *info;
5238         const char *key;
5239         char value[VM_STRINGTEMP_LENGTH];
5240
5241         VM_SAFEPARMCOUNT(2, VM_infoget);
5242         info = PRVM_G_STRING(OFS_PARM0);
5243         key = PRVM_G_STRING(OFS_PARM1);
5244
5245         InfoString_GetValue(info, key, value, VM_STRINGTEMP_LENGTH);
5246
5247         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(value);
5248 }
5249
5250 //#228 float(string s1, string s2, float len) strncmp (FTE_STRINGS)
5251 // also float(string s1, string s2) strcmp (FRIK_FILE)
5252 void VM_strncmp (void)
5253 {
5254         const char *s1, *s2;
5255         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncmp);
5256         s1 = PRVM_G_STRING(OFS_PARM0);
5257         s2 = PRVM_G_STRING(OFS_PARM1);
5258         if (prog->argc > 2)
5259         {
5260                 PRVM_G_FLOAT(OFS_RETURN) = strncmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5261         }
5262         else
5263         {
5264                 PRVM_G_FLOAT(OFS_RETURN) = strcmp(s1, s2);
5265         }
5266 }
5267
5268 // #229 float(string s1, string s2) strcasecmp (FTE_STRINGS)
5269 // #230 float(string s1, string s2, float len) strncasecmp (FTE_STRINGS)
5270 void VM_strncasecmp (void)
5271 {
5272         const char *s1, *s2;
5273         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncasecmp);
5274         s1 = PRVM_G_STRING(OFS_PARM0);
5275         s2 = PRVM_G_STRING(OFS_PARM1);
5276         if (prog->argc > 2)
5277         {
5278                 PRVM_G_FLOAT(OFS_RETURN) = strncasecmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5279         }
5280         else
5281         {
5282                 PRVM_G_FLOAT(OFS_RETURN) = strcasecmp(s1, s2);
5283         }
5284 }
5285
5286 // #494 float(float caseinsensitive, string s, ...) crc16
5287 void VM_crc16(void)
5288 {
5289         float insensitive;
5290         static char s[VM_STRINGTEMP_LENGTH];
5291         VM_SAFEPARMCOUNTRANGE(2, 8, VM_hash);
5292         insensitive = PRVM_G_FLOAT(OFS_PARM0);
5293         VM_VarString(1, s, sizeof(s));
5294         PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
5295 }
5296
5297 void VM_wasfreed (void)
5298 {
5299         VM_SAFEPARMCOUNT(1, VM_wasfreed);
5300         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICT(OFS_PARM0)->priv.required->free;
5301 }
5302
5303 void VM_SetTraceGlobals(const trace_t *trace)
5304 {
5305         prvm_eval_t *val;
5306         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_allsolid)))
5307                 val->_float = trace->allsolid;
5308         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_startsolid)))
5309                 val->_float = trace->startsolid;
5310         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_fraction)))
5311                 val->_float = trace->fraction;
5312         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inwater)))
5313                 val->_float = trace->inwater;
5314         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inopen)))
5315                 val->_float = trace->inopen;
5316         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos)))
5317                 VectorCopy(trace->endpos, val->vector);
5318         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_normal)))
5319                 VectorCopy(trace->plane.normal, val->vector);
5320         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_dist)))
5321                 val->_float = trace->plane.dist;
5322         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_ent)))
5323                 val->edict = PRVM_EDICT_TO_PROG(trace->ent ? trace->ent : prog->edicts);
5324         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
5325                 val->_float = trace->startsupercontents;
5326         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
5327                 val->_float = trace->hitsupercontents;
5328         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
5329                 val->_float = trace->hitq3surfaceflags;
5330         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
5331                 val->string = trace->hittexture ? PRVM_SetTempString(trace->hittexture->name) : 0;
5332 }
5333
5334 void VM_ClearTraceGlobals(void)
5335 {
5336         // clean up all trace globals when leaving the VM (anti-triggerbot safeguard)
5337         prvm_eval_t *val;
5338         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_allsolid)))
5339                 val->_float = 0;
5340         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_startsolid)))
5341                 val->_float = 0;
5342         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_fraction)))
5343                 val->_float = 0;
5344         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inwater)))
5345                 val->_float = 0;
5346         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inopen)))
5347                 val->_float = 0;
5348         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos)))
5349                 VectorClear(val->vector);
5350         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_normal)))
5351                 VectorClear(val->vector);
5352         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_dist)))
5353                 val->_float = 0;
5354         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_ent)))
5355                 val->edict = PRVM_EDICT_TO_PROG(prog->edicts);
5356         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
5357                 val->_float = 0;
5358         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
5359                 val->_float = 0;
5360         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
5361                 val->_float = 0;
5362         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
5363                 val->string = 0;
5364 }
5365
5366 //=============
5367
5368 void VM_Cmd_Init(void)
5369 {
5370         // only init the stuff for the current prog
5371         VM_Files_Init();
5372         VM_Search_Init();
5373         VM_Gecko_Init();
5374 //      VM_BufStr_Init();
5375 }
5376
5377 void VM_Cmd_Reset(void)
5378 {
5379         CL_PurgeOwner( MENUOWNER );
5380         VM_Search_Reset();
5381         VM_Files_CloseAll();
5382         VM_Gecko_Destroy();
5383 //      VM_BufStr_ShutDown();
5384 }
5385
5386 // #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
5387 // does URI escaping on a string (replace evil stuff by %AB escapes)
5388 void VM_uri_escape (void)
5389 {
5390         char src[VM_STRINGTEMP_LENGTH];
5391         char dest[VM_STRINGTEMP_LENGTH];
5392         char *p, *q;
5393         static const char *hex = "0123456789ABCDEF";
5394
5395         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
5396         VM_VarString(0, src, sizeof(src));
5397
5398         for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
5399         {
5400                 if((*p >= 'A' && *p <= 'Z')
5401                         || (*p >= 'a' && *p <= 'z')
5402                         || (*p >= '0' && *p <= '9')
5403                         || (*p == '-')  || (*p == '_') || (*p == '.')
5404                         || (*p == '!')  || (*p == '~') || (*p == '*')
5405                         || (*p == '\'') || (*p == '(') || (*p == ')'))
5406                         *q++ = *p;
5407                 else
5408                 {
5409                         *q++ = '%';
5410                         *q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
5411                         *q++ = hex[ *(unsigned char *)p       & 0xF];
5412                 }
5413         }
5414         *q++ = 0;
5415
5416         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
5417 }
5418
5419 // #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
5420 // does URI unescaping on a string (get back the evil stuff)
5421 void VM_uri_unescape (void)
5422 {
5423         char src[VM_STRINGTEMP_LENGTH];
5424         char dest[VM_STRINGTEMP_LENGTH];
5425         char *p, *q;
5426         int hi, lo;
5427
5428         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
5429         VM_VarString(0, src, sizeof(src));
5430
5431         for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
5432         {
5433                 if(*p == '%')
5434                 {
5435                         if(p[1] >= '0' && p[1] <= '9')
5436                                 hi = p[1] - '0';
5437                         else if(p[1] >= 'a' && p[1] <= 'f')
5438                                 hi = p[1] - 'a' + 10;
5439                         else if(p[1] >= 'A' && p[1] <= 'F')
5440                                 hi = p[1] - 'A' + 10;
5441                         else
5442                                 goto nohex;
5443                         if(p[2] >= '0' && p[2] <= '9')
5444                                 lo = p[2] - '0';
5445                         else if(p[2] >= 'a' && p[2] <= 'f')
5446                                 lo = p[2] - 'a' + 10;
5447                         else if(p[2] >= 'A' && p[2] <= 'F')
5448                                 lo = p[2] - 'A' + 10;
5449                         else
5450                                 goto nohex;
5451                         if(hi != 0 || lo != 0) // don't unescape NUL bytes
5452                                 *q++ = (char) (hi * 0x10 + lo);
5453                         p += 3;
5454                         continue;
5455                 }
5456
5457 nohex:
5458                 // otherwise:
5459                 *q++ = *p++;
5460         }
5461         *q++ = 0;
5462
5463         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
5464 }
5465
5466 // #502 string(string filename) whichpack (DP_QC_WHICHPACK)
5467 // returns the name of the pack containing a file, or "" if it is not in any pack (but local or non-existant)
5468 void VM_whichpack (void)
5469 {
5470         const char *fn, *pack;
5471
5472         VM_SAFEPARMCOUNT(1, VM_whichpack);
5473         fn = PRVM_G_STRING(OFS_PARM0);
5474         pack = FS_WhichPack(fn);
5475
5476         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(pack ? pack : "");
5477 }
5478
5479 typedef struct
5480 {
5481         int prognr;
5482         double starttime;
5483         float id;
5484         char buffer[MAX_INPUTLINE];
5485 }
5486 uri_to_prog_t;
5487
5488 static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
5489 {
5490         uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
5491
5492         if(!PRVM_ProgLoaded(handle->prognr))
5493         {
5494                 // curl reply came too late... so just drop it
5495                 Z_Free(handle);
5496                 return;
5497         }
5498
5499         PRVM_SetProg(handle->prognr);
5500         PRVM_Begin;
5501                 if((prog->starttime == handle->starttime) && (prog->funcoffsets.URI_Get_Callback))
5502                 {
5503                         if(length_received >= sizeof(handle->buffer))
5504                                 length_received = sizeof(handle->buffer) - 1;
5505                         handle->buffer[length_received] = 0;
5506
5507                         PRVM_G_FLOAT(OFS_PARM0) = handle->id;
5508                         PRVM_G_FLOAT(OFS_PARM1) = status;
5509                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(handle->buffer);
5510                         PRVM_ExecuteProgram(prog->funcoffsets.URI_Get_Callback, "QC function URI_Get_Callback is missing");
5511                 }
5512         PRVM_End;
5513
5514         Z_Free(handle);
5515 }
5516
5517 // uri_get() gets content from an URL and calls a callback "uri_get_callback" with it set as string; an unique ID of the transfer is returned
5518 // returns 1 on success, and then calls the callback with the ID, 0 or the HTTP status code, and the received data in a string
5519 void VM_uri_get (void)
5520 {
5521         const char *url;
5522         float id;
5523         qboolean ret;
5524         uri_to_prog_t *handle;
5525
5526         if(!prog->funcoffsets.URI_Get_Callback)
5527                 PRVM_ERROR("uri_get called by %s without URI_Get_Callback defined", PRVM_NAME);
5528
5529         VM_SAFEPARMCOUNT(2, VM_uri_get);
5530
5531         url = PRVM_G_STRING(OFS_PARM0);
5532         id = PRVM_G_FLOAT(OFS_PARM1);
5533         handle = (uri_to_prog_t *) Z_Malloc(sizeof(*handle)); // this can't be the prog's mem pool, as curl may call the callback later!
5534
5535         handle->prognr = PRVM_GetProgNr();
5536         handle->starttime = prog->starttime;
5537         handle->id = id;
5538         ret = Curl_Begin_ToMemory(url, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
5539         if(ret)
5540         {
5541                 PRVM_G_INT(OFS_RETURN) = 1;
5542         }
5543         else
5544         {
5545                 Z_Free(handle);
5546                 PRVM_G_INT(OFS_RETURN) = 0;
5547         }
5548 }
5549
5550 void VM_netaddress_resolve (void)
5551 {
5552         const char *ip;
5553         char normalized[128];
5554         int port;
5555         lhnetaddress_t addr;
5556
5557         VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
5558
5559         ip = PRVM_G_STRING(OFS_PARM0);
5560         port = 0;
5561         if(prog->argc > 1)
5562                 port = (int) PRVM_G_FLOAT(OFS_PARM1);
5563
5564         if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
5565                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(normalized);
5566         else
5567                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
5568 }
5569
5570 //string(void) getextresponse = #624; // returns the next extResponse packet that was sent to this client
5571 void VM_CL_getextresponse (void)
5572 {
5573         VM_SAFEPARMCOUNT(0,VM_argv);
5574
5575         if (cl_net_extresponse_count <= 0)
5576                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
5577         else
5578         {
5579                 int first;
5580                 --cl_net_extresponse_count;
5581                 first = (cl_net_extresponse_last + NET_EXTRESPONSE_MAX - cl_net_extresponse_count) % NET_EXTRESPONSE_MAX;
5582                 PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(cl_net_extresponse[first]);
5583         }
5584 }
5585
5586 void VM_SV_getextresponse (void)
5587 {
5588         VM_SAFEPARMCOUNT(0,VM_argv);
5589
5590         if (sv_net_extresponse_count <= 0)
5591                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
5592         else
5593         {
5594                 int first;
5595                 --sv_net_extresponse_count;
5596                 first = (sv_net_extresponse_last + NET_EXTRESPONSE_MAX - sv_net_extresponse_count) % NET_EXTRESPONSE_MAX;
5597                 PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(sv_net_extresponse[first]);
5598         }
5599 }
5600
5601 /*
5602 =========
5603 VM_M_callfunction
5604
5605         callfunction(...,string function_name)
5606 Extension: pass
5607 =========
5608 */
5609 mfunction_t *PRVM_ED_FindFunction (const char *name);
5610 void VM_callfunction(void)
5611 {
5612         mfunction_t *func;
5613         const char *s;
5614
5615         VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
5616
5617         s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
5618
5619         VM_CheckEmptyString(s);
5620
5621         func = PRVM_ED_FindFunction(s);
5622
5623         if(!func)
5624                 PRVM_ERROR("VM_callfunciton: function %s not found !", s);
5625         else if (func->first_statement < 0)
5626         {
5627                 // negative statements are built in functions
5628                 int builtinnumber = -func->first_statement;
5629                 prog->xfunction->builtinsprofile++;
5630                 if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
5631                         prog->builtins[builtinnumber]();
5632                 else
5633                         PRVM_ERROR("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, PRVM_NAME);
5634         }
5635         else if(func - prog->functions > 0)
5636         {
5637                 prog->argc--;
5638                 PRVM_ExecuteProgram(func - prog->functions,"");
5639                 prog->argc++;
5640         }
5641 }
5642
5643 /*
5644 =========
5645 VM_isfunction
5646
5647 float   isfunction(string function_name)
5648 =========
5649 */
5650 mfunction_t *PRVM_ED_FindFunction (const char *name);
5651 void VM_isfunction(void)
5652 {
5653         mfunction_t *func;
5654         const char *s;
5655
5656         VM_SAFEPARMCOUNT(1, VM_isfunction);
5657
5658         s = PRVM_G_STRING(OFS_PARM0);
5659
5660         VM_CheckEmptyString(s);
5661
5662         func = PRVM_ED_FindFunction(s);
5663
5664         if(!func)
5665                 PRVM_G_FLOAT(OFS_RETURN) = false;
5666         else
5667                 PRVM_G_FLOAT(OFS_RETURN) = true;
5668 }