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 "cl_collision.h"
  14 #include "clvm_cmds.h"
  15 #include "ft2.h"
  16
  17 extern cvar_t prvm_backtraceforwarnings;
  18
  19 // LordHavoc: changed this to NOT use a return statement, so that it can be used in functions that must return a value
  20 void VM_Warning(const char *fmt, ...)
  21 {
  22         va_list argptr;
  23         char msg[MAX_INPUTLINE];
  24         static double recursive = -1;
  25
  26         va_start(argptr,fmt);
  27         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
  28         va_end(argptr);
  29
  30         Con_DPrint(msg);
  31
  32         // TODO: either add a cvar/cmd to control the state dumping or replace some of the calls with Con_Printf [9/13/2006 Black]
  33         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
  34         {
  35                 recursive = realtime;
  36                 PRVM_PrintState();
  37                 recursive = -1;
  38         }
  39 }
  40
  41
  42 //============================================================================
  43 // Common
  44
  45 // TODO DONE: move vm_files and vm_fssearchlist to prvm_prog_t struct
  46 // TODO: move vm_files and vm_fssearchlist back [9/13/2006 Black]
  47 // TODO: (move vm_files and vm_fssearchlist to prvm_prog_t struct again) [2007-01-23 LordHavoc]
  48 // TODO: will this war ever end? [2007-01-23 LordHavoc]
  49
  50 void VM_CheckEmptyString (const char *s)
  51 {
  52         if (ISWHITESPACE(s[0]))
  53                 PRVM_ERROR ("%s: Bad string", PRVM_NAME);
  54 }
  55
  56 void VM_GenerateFrameGroupBlend(framegroupblend_t *framegroupblend, const prvm_edict_t *ed)
  57 {
  58         prvm_eval_t *val;
  59         // self.frame is the interpolation target (new frame)
  60         // self.frame1time is the animation base time for the interpolation target
  61         // self.frame2 is the interpolation start (previous frame)
  62         // self.frame2time is the animation base time for the interpolation start
  63         // self.lerpfrac is the interpolation strength for self.frame2
  64         // self.lerpfrac3 is the interpolation strength for self.frame3
  65         // self.lerpfrac4 is the interpolation strength for self.frame4
  66         // pitch angle on a player model where the animator set up 5 sets of
  67         // animations and the csqc simply lerps between sets)
  68         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame))) framegroupblend[0].frame = (int) val->_float;
  69         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) framegroupblend[1].frame = (int) val->_float;
  70         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame3))) framegroupblend[2].frame = (int) val->_float;
  71         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame4))) framegroupblend[3].frame = (int) val->_float;
  72         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) framegroupblend[0].start = val->_float;
  73         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) framegroupblend[1].start = val->_float;
  74         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame3time))) framegroupblend[2].start = val->_float;
  75         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame4time))) framegroupblend[3].start = val->_float;
  76         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) framegroupblend[1].lerp = val->_float;
  77         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac3))) framegroupblend[2].lerp = val->_float;
  78         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac4))) framegroupblend[3].lerp = val->_float;
  79         // assume that the (missing) lerpfrac1 is whatever remains after lerpfrac2+lerpfrac3+lerpfrac4 are summed
  80         framegroupblend[0].lerp = 1 - framegroupblend[1].lerp - framegroupblend[2].lerp - framegroupblend[3].lerp;
  81 }
  82
  83 // LordHavoc: quite tempting to break apart this function to reuse the
  84 //            duplicated code, but I suspect it is better for performance
  85 //            this way
  86 void VM_FrameBlendFromFrameGroupBlend(frameblend_t *frameblend, const framegroupblend_t *framegroupblend, const dp_model_t *model)
  87 {
  88         int sub2, numframes, f, i, k;
  89         int isfirstframegroup = true;
  90         int nolerp;
  91         double sublerp, lerp, d;
  92         const animscene_t *scene;
  93         const framegroupblend_t *g;
  94         frameblend_t *blend = frameblend;
  95
  96         memset(blend, 0, MAX_FRAMEBLENDS * sizeof(*blend));
  97
  98         if (!model || !model->surfmesh.isanimated)
  99         {
 100                 blend[0].lerp = 1;
 101                 return;
 102         }
 103
 104         nolerp = (model->type == mod_sprite) ? !r_lerpsprites.integer : !r_lerpmodels.integer;
 105         numframes = model->numframes;
 106         for (k = 0, g = framegroupblend;k < MAX_FRAMEGROUPBLENDS;k++, g++)
 107         {
 108                 f = g->frame;
 109                 if ((unsigned int)f >= (unsigned int)numframes)
 110                 {
 111                         Con_DPrintf("VM_FrameBlendFromFrameGroupBlend: no such frame %d in model %s\n", f, model->name);
 112                         f = 0;
 113                 }
 114                 d = lerp = g->lerp;
 115                 if (lerp <= 0)
 116                         continue;
 117                 if (nolerp)
 118                 {
 119                         if (isfirstframegroup)
 120                         {
 121                                 d = lerp = 1;
 122                                 isfirstframegroup = false;
 123                         }
 124                         else
 125                                 continue;
 126                 }
 127                 if (model->animscenes)
 128                 {
 129                         scene = model->animscenes + f;
 130                         f = scene->firstframe;
 131                         if (scene->framecount > 1)
 132                         {
 133                                 // this code path is only used on .zym models and torches
 134                                 sublerp = scene->framerate * (cl.time - g->start);
 135                                 f = (int) floor(sublerp);
 136                                 sublerp -= f;
 137                                 sub2 = f + 1;
 138                                 if (sublerp < (1.0 / 65536.0f))
 139                                         sublerp = 0;
 140                                 if (sublerp > (65535.0f / 65536.0f))
 141                                         sublerp = 1;
 142                                 if (nolerp)
 143                                         sublerp = 0;
 144                                 if (scene->loop)
 145                                 {
 146                                         f = (f % scene->framecount);
 147                                         sub2 = (sub2 % scene->framecount);
 148                                 }
 149                                 f = bound(0, f, (scene->framecount - 1)) + scene->firstframe;
 150                                 sub2 = bound(0, sub2, (scene->framecount - 1)) + scene->firstframe;
 151                                 d = sublerp * lerp;
 152                                 // two framelerps produced from one animation
 153                                 if (d > 0)
 154                                 {
 155                                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 156                                         {
 157                                                 if (blend[i].lerp <= 0 || blend[i].subframe == sub2)
 158                                                 {
 159                                                         blend[i].subframe = sub2;
 160                                                         blend[i].lerp += d;
 161                                                         break;
 162                                                 }
 163                                         }
 164                                 }
 165                                 d = (1 - sublerp) * lerp;
 166                         }
 167                 }
 168                 if (d > 0)
 169                 {
 170                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 171                         {
 172                                 if (blend[i].lerp <= 0 || blend[i].subframe == f)
 173                                 {
 174                                         blend[i].subframe = f;
 175                                         blend[i].lerp += d;
 176                                         break;
 177                                 }
 178                         }
 179                 }
 180         }
 181 }
 182
 183 void VM_UpdateEdictSkeleton(prvm_edict_t *ed, const dp_model_t *edmodel, const frameblend_t *frameblend)
 184 {
 185         if (ed->priv.server->skeleton.model != edmodel)
 186         {
 187                 VM_RemoveEdictSkeleton(ed);
 188                 ed->priv.server->skeleton.model = edmodel;
 189         }
 190         if (!ed->priv.server->skeleton.model || !ed->priv.server->skeleton.model->num_bones)
 191         {
 192                 if(ed->priv.server->skeleton.relativetransforms)
 193                         Mem_Free(ed->priv.server->skeleton.relativetransforms);
 194                 ed->priv.server->skeleton.relativetransforms = NULL;
 195                 return;
 196         }
 197
 198         {
 199                 int skeletonindex = -1;
 200                 skeleton_t *skeleton;
 201                 prvm_eval_t *val;
 202                 if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.skeletonindex))) skeletonindex = (int)val->_float - 1;
 203                 if (skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones)
 204                 {
 205                         // custom skeleton controlled by the game (FTE_CSQC_SKELETONOBJECTS)
 206                         if (!ed->priv.server->skeleton.relativetransforms)
 207                                 ed->priv.server->skeleton.relativetransforms = (matrix4x4_t *)Mem_Alloc(prog->progs_mempool, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 208                         memcpy(ed->priv.server->skeleton.relativetransforms, skeleton->relativetransforms, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 209                 }
 210                 else
 211                 {
 212                         if(ed->priv.server->skeleton.relativetransforms)
 213                                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 214                         ed->priv.server->skeleton.relativetransforms = NULL;
 215                 }
 216         }
 217 }
 218
 219 void VM_RemoveEdictSkeleton(prvm_edict_t *ed)
 220 {
 221         if (ed->priv.server->skeleton.relativetransforms)
 222                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 223         memset(&ed->priv.server->skeleton, 0, sizeof(ed->priv.server->skeleton));
 224 }
 225
 226
 227
 228
 229 //============================================================================
 230 //BUILT-IN FUNCTIONS
 231
 232 void VM_VarString(int first, char *out, int outlength)
 233 {
 234         int i;
 235         const char *s;
 236         char *outend;
 237
 238         outend = out + outlength - 1;
 239         for (i = first;i < prog->argc && out < outend;i++)
 240         {
 241                 s = PRVM_G_STRING((OFS_PARM0+i*3));
 242                 while (out < outend && *s)
 243                         *out++ = *s++;
 244         }
 245         *out++ = 0;
 246 }
 247
 248 /*
 249 =================
 250 VM_checkextension
 251
 252 returns true if the extension is supported by the server
 253
 254 checkextension(extensionname)
 255 =================
 256 */
 257
 258 // kind of helper function
 259 static qboolean checkextension(const char *name)
 260 {
 261         int len;
 262         const char *e, *start;
 263         len = (int)strlen(name);
 264
 265         for (e = prog->extensionstring;*e;e++)
 266         {
 267                 while (*e == ' ')
 268                         e++;
 269                 if (!*e)
 270                         break;
 271                 start = e;
 272                 while (*e && *e != ' ')
 273                         e++;
 274                 if ((e - start) == len && !strncasecmp(start, name, len))
 275                 {
 276                         // special sheck for ODE
 277                         if (!strncasecmp("DP_PHYSICS_ODE", name, 14))
 278                         {
 279 #ifdef USEODE
 280                                 return ode_dll ? true : false;
 281 #else
 282                                 return false;
 283 #endif
 284                         }
 285                         return true;
 286                 }
 287         }
 288         return false;
 289 }
 290
 291 void VM_checkextension (void)
 292 {
 293         VM_SAFEPARMCOUNT(1,VM_checkextension);
 294
 295         PRVM_G_FLOAT(OFS_RETURN) = checkextension(PRVM_G_STRING(OFS_PARM0));
 296 }
 297
 298 /*
 299 =================
 300 VM_error
 301
 302 This is a TERMINAL error, which will kill off the entire prog.
 303 Dumps self.
 304
 305 error(value)
 306 =================
 307 */
 308 void VM_error (void)
 309 {
 310         prvm_edict_t    *ed;
 311         char string[VM_STRINGTEMP_LENGTH];
 312
 313         VM_VarString(0, string, sizeof(string));
 314         Con_Printf("======%s ERROR in %s:\n%s\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
 315         if (prog->globaloffsets.self >= 0)
 316         {
 317                 ed = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
 318                 PRVM_ED_Print(ed, NULL);
 319         }
 320
 321         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);
 322 }
 323
 324 /*
 325 =================
 326 VM_objerror
 327
 328 Dumps out self, then an error message.  The program is aborted and self is
 329 removed, but the level can continue.
 330
 331 objerror(value)
 332 =================
 333 */
 334 void VM_objerror (void)
 335 {
 336         prvm_edict_t    *ed;
 337         char string[VM_STRINGTEMP_LENGTH];
 338
 339         VM_VarString(0, string, sizeof(string));
 340         Con_Printf("======OBJECT ERROR======\n"); // , PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string); // or include them? FIXME
 341         if (prog->globaloffsets.self >= 0)
 342         {
 343                 ed = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
 344                 PRVM_ED_Print(ed, NULL);
 345
 346                 PRVM_ED_Free (ed);
 347         }
 348         else
 349                 // objerror has to display the object fields -> else call
 350                 PRVM_ERROR ("VM_objecterror: self not defined !");
 351         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);
 352 }
 353
 354 /*
 355 =================
 356 VM_print
 357
 358 print to console
 359
 360 print(...[string])
 361 =================
 362 */
 363 void VM_print (void)
 364 {
 365         char string[VM_STRINGTEMP_LENGTH];
 366
 367         VM_VarString(0, string, sizeof(string));
 368         Con_Print(string);
 369 }
 370
 371 /*
 372 =================
 373 VM_bprint
 374
 375 broadcast print to everyone on server
 376
 377 bprint(...[string])
 378 =================
 379 */
 380 void VM_bprint (void)
 381 {
 382         char string[VM_STRINGTEMP_LENGTH];
 383
 384         if(!sv.active)
 385         {
 386                 VM_Warning("VM_bprint: game is not server(%s) !\n", PRVM_NAME);
 387                 return;
 388         }
 389
 390         VM_VarString(0, string, sizeof(string));
 391         SV_BroadcastPrint(string);
 392 }
 393
 394 /*
 395 =================
 396 VM_sprint (menu & client but only if server.active == true)
 397
 398 single print to a specific client
 399
 400 sprint(float clientnum,...[string])
 401 =================
 402 */
 403 void VM_sprint (void)
 404 {
 405         client_t        *client;
 406         int                     clientnum;
 407         char string[VM_STRINGTEMP_LENGTH];
 408
 409         VM_SAFEPARMCOUNTRANGE(1, 8, VM_sprint);
 410
 411         //find client for this entity
 412         clientnum = (int)PRVM_G_FLOAT(OFS_PARM0);
 413         if (!sv.active  || clientnum < 0 || clientnum >= svs.maxclients || !svs.clients[clientnum].active)
 414         {
 415                 VM_Warning("VM_sprint: %s: invalid client or server is not active !\n", PRVM_NAME);
 416                 return;
 417         }
 418
 419         client = svs.clients + clientnum;
 420         if (!client->netconnection)
 421                 return;
 422
 423         VM_VarString(1, string, sizeof(string));
 424         MSG_WriteChar(&client->netconnection->message,svc_print);
 425         MSG_WriteString(&client->netconnection->message, string);
 426 }
 427
 428 /*
 429 =================
 430 VM_centerprint
 431
 432 single print to the screen
 433
 434 centerprint(value)
 435 =================
 436 */
 437 void VM_centerprint (void)
 438 {
 439         char string[VM_STRINGTEMP_LENGTH];
 440
 441         VM_SAFEPARMCOUNTRANGE(1, 8, VM_centerprint);
 442         VM_VarString(0, string, sizeof(string));
 443         SCR_CenterPrint(string);
 444 }
 445
 446 /*
 447 =================
 448 VM_normalize
 449
 450 vector normalize(vector)
 451 =================
 452 */
 453 void VM_normalize (void)
 454 {
 455         float   *value1;
 456         vec3_t  newvalue;
 457         double  f;
 458
 459         VM_SAFEPARMCOUNT(1,VM_normalize);
 460
 461         value1 = PRVM_G_VECTOR(OFS_PARM0);
 462
 463         f = VectorLength2(value1);
 464         if (f)
 465         {
 466                 f = 1.0 / sqrt(f);
 467                 VectorScale(value1, f, newvalue);
 468         }
 469         else
 470                 VectorClear(newvalue);
 471
 472         VectorCopy (newvalue, PRVM_G_VECTOR(OFS_RETURN));
 473 }
 474
 475 /*
 476 =================
 477 VM_vlen
 478
 479 scalar vlen(vector)
 480 =================
 481 */
 482 void VM_vlen (void)
 483 {
 484         VM_SAFEPARMCOUNT(1,VM_vlen);
 485         PRVM_G_FLOAT(OFS_RETURN) = VectorLength(PRVM_G_VECTOR(OFS_PARM0));
 486 }
 487
 488 /*
 489 =================
 490 VM_vectoyaw
 491
 492 float vectoyaw(vector)
 493 =================
 494 */
 495 void VM_vectoyaw (void)
 496 {
 497         float   *value1;
 498         float   yaw;
 499
 500         VM_SAFEPARMCOUNT(1,VM_vectoyaw);
 501
 502         value1 = PRVM_G_VECTOR(OFS_PARM0);
 503
 504         if (value1[1] == 0 && value1[0] == 0)
 505                 yaw = 0;
 506         else
 507         {
 508                 yaw = (int) (atan2(value1[1], value1[0]) * 180 / M_PI);
 509                 if (yaw < 0)
 510                         yaw += 360;
 511         }
 512
 513         PRVM_G_FLOAT(OFS_RETURN) = yaw;
 514 }
 515
 516
 517 /*
 518 =================
 519 VM_vectoangles
 520
 521 vector vectoangles(vector[, vector])
 522 =================
 523 */
 524 void VM_vectoangles (void)
 525 {
 526         VM_SAFEPARMCOUNTRANGE(1, 2,VM_vectoangles);
 527
 528         AnglesFromVectors(PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_PARM0), prog->argc >= 2 ? PRVM_G_VECTOR(OFS_PARM1) : NULL, true);
 529 }
 530
 531 /*
 532 =================
 533 VM_random
 534
 535 Returns a number from 0<= num < 1
 536
 537 float random()
 538 =================
 539 */
 540 void VM_random (void)
 541 {
 542         VM_SAFEPARMCOUNT(0,VM_random);
 543
 544         PRVM_G_FLOAT(OFS_RETURN) = lhrandom(0, 1);
 545 }
 546
 547 /*
 548 =========
 549 VM_localsound
 550
 551 localsound(string sample)
 552 =========
 553 */
 554 void VM_localsound(void)
 555 {
 556         const char *s;
 557
 558         VM_SAFEPARMCOUNT(1,VM_localsound);
 559
 560         s = PRVM_G_STRING(OFS_PARM0);
 561
 562         if(!S_LocalSound (s))
 563         {
 564                 PRVM_G_FLOAT(OFS_RETURN) = -4;
 565                 VM_Warning("VM_localsound: Failed to play %s for %s !\n", s, PRVM_NAME);
 566                 return;
 567         }
 568
 569         PRVM_G_FLOAT(OFS_RETURN) = 1;
 570 }
 571
 572 /*
 573 =================
 574 VM_break
 575
 576 break()
 577 =================
 578 */
 579 void VM_break (void)
 580 {
 581         PRVM_ERROR ("%s: break statement", PRVM_NAME);
 582 }
 583
 584 //============================================================================
 585
 586 /*
 587 =================
 588 VM_localcmd
 589
 590 Sends text over to the client's execution buffer
 591
 592 [localcmd (string, ...) or]
 593 cmd (string, ...)
 594 =================
 595 */
 596 void VM_localcmd (void)
 597 {
 598         char string[VM_STRINGTEMP_LENGTH];
 599         VM_SAFEPARMCOUNTRANGE(1, 8, VM_localcmd);
 600         VM_VarString(0, string, sizeof(string));
 601         Cbuf_AddText(string);
 602 }
 603
 604 static qboolean PRVM_Cvar_ReadOk(const char *string)
 605 {
 606         cvar_t *cvar;
 607         cvar = Cvar_FindVar(string);
 608         return ((cvar) && ((cvar->flags & CVAR_PRIVATE) == 0));
 609 }
 610
 611 /*
 612 =================
 613 VM_cvar
 614
 615 float cvar (string)
 616 =================
 617 */
 618 void VM_cvar (void)
 619 {
 620         char string[VM_STRINGTEMP_LENGTH];
 621         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 622         VM_VarString(0, string, sizeof(string));
 623         VM_CheckEmptyString(string);
 624         PRVM_G_FLOAT(OFS_RETURN) = PRVM_Cvar_ReadOk(string) ? Cvar_VariableValue(string) : 0;
 625 }
 626
 627 /*
 628 =================
 629 VM_cvar
 630
 631 float cvar_type (string)
 632 float CVAR_TYPEFLAG_EXISTS = 1;
 633 float CVAR_TYPEFLAG_SAVED = 2;
 634 float CVAR_TYPEFLAG_PRIVATE = 4;
 635 float CVAR_TYPEFLAG_ENGINE = 8;
 636 float CVAR_TYPEFLAG_HASDESCRIPTION = 16;
 637 float CVAR_TYPEFLAG_READONLY = 32;
 638 =================
 639 */
 640 void VM_cvar_type (void)
 641 {
 642         char string[VM_STRINGTEMP_LENGTH];
 643         cvar_t *cvar;
 644         int ret;
 645
 646         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 647         VM_VarString(0, string, sizeof(string));
 648         VM_CheckEmptyString(string);
 649         cvar = Cvar_FindVar(string);
 650
 651
 652         if(!cvar)
 653         {
 654                 PRVM_G_FLOAT(OFS_RETURN) = 0;
 655                 return; // CVAR_TYPE_NONE
 656         }
 657
 658         ret = 1; // CVAR_EXISTS
 659         if(cvar->flags & CVAR_SAVE)
 660                 ret |= 2; // CVAR_TYPE_SAVED
 661         if(cvar->flags & CVAR_PRIVATE)
 662                 ret |= 4; // CVAR_TYPE_PRIVATE
 663         if(!(cvar->flags & CVAR_ALLOCATED))
 664                 ret |= 8; // CVAR_TYPE_ENGINE
 665         if(cvar->description != cvar_dummy_description)
 666                 ret |= 16; // CVAR_TYPE_HASDESCRIPTION
 667         if(cvar->flags & CVAR_READONLY)
 668                 ret |= 32; // CVAR_TYPE_READONLY
 669
 670         PRVM_G_FLOAT(OFS_RETURN) = ret;
 671 }
 672
 673 /*
 674 =================
 675 VM_cvar_string
 676
 677 const string    VM_cvar_string (string, ...)
 678 =================
 679 */
 680 void VM_cvar_string(void)
 681 {
 682         char string[VM_STRINGTEMP_LENGTH];
 683         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_string);
 684         VM_VarString(0, string, sizeof(string));
 685         VM_CheckEmptyString(string);
 686         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(PRVM_Cvar_ReadOk(string) ? Cvar_VariableString(string) : "");
 687 }
 688
 689
 690 /*
 691 ========================
 692 VM_cvar_defstring
 693
 694 const string    VM_cvar_defstring (string, ...)
 695 ========================
 696 */
 697 void VM_cvar_defstring (void)
 698 {
 699         char string[VM_STRINGTEMP_LENGTH];
 700         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_defstring);
 701         VM_VarString(0, string, sizeof(string));
 702         VM_CheckEmptyString(string);
 703         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDefString(string));
 704 }
 705
 706 /*
 707 ========================
 708 VM_cvar_defstring
 709
 710 const string    VM_cvar_description (string, ...)
 711 ========================
 712 */
 713 void VM_cvar_description (void)
 714 {
 715         char string[VM_STRINGTEMP_LENGTH];
 716         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_description);
 717         VM_VarString(0, string, sizeof(string));
 718         VM_CheckEmptyString(string);
 719         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDescription(string));
 720 }
 721 /*
 722 =================
 723 VM_cvar_set
 724
 725 void cvar_set (string,string, ...)
 726 =================
 727 */
 728 void VM_cvar_set (void)
 729 {
 730         const char *name;
 731         char string[VM_STRINGTEMP_LENGTH];
 732         VM_SAFEPARMCOUNTRANGE(2,8,VM_cvar_set);
 733         VM_VarString(1, string, sizeof(string));
 734         name = PRVM_G_STRING(OFS_PARM0);
 735         VM_CheckEmptyString(name);
 736         Cvar_Set(name, string);
 737 }
 738
 739 /*
 740 =========
 741 VM_dprint
 742
 743 dprint(...[string])
 744 =========
 745 */
 746 void VM_dprint (void)
 747 {
 748         char string[VM_STRINGTEMP_LENGTH];
 749         VM_SAFEPARMCOUNTRANGE(1, 8, VM_dprint);
 750         VM_VarString(0, string, sizeof(string));
 751 #if 1
 752         Con_DPrintf("%s", string);
 753 #else
 754         Con_DPrintf("%s: %s", PRVM_NAME, string);
 755 #endif
 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 >= prog->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 > 0)
 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 > 0)
 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_extra.integer)
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_extra.integer)
1855                         Con_DPrintf("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_extra.integer)
1890                 Con_DPrintf("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_extra.integer)
1941                 Con_DPrintf("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_extra.integer)
1977                 Con_DPrintf("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 - search_len; i++)
2386         {
2387                 for (j = 0; j < search_len; j++) // thus, i+j < subject_len
2388                         if (subject[i+j] != search[j])
2389                                 break;
2390                 if (j == search_len)
2391                 {
2392                         // NOTE: if search_len == 0, we always hit THIS case, and never the other
2393                         // found it at offset 'i'
2394                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2395                                 string[si++] = replace[j];
2396                         if(search_len > 0)
2397                         {
2398                                 i += search_len - 1;
2399                         }
2400                         else
2401                         {
2402                                 // the above would subtract 1 from i... so we
2403                                 // don't do that, but instead output the next
2404                                 // char
2405                                 if (si < (int)sizeof(string) - 1)
2406                                         string[si++] = subject[i];
2407                         }
2408                 }
2409                 else
2410                 {
2411                         // in THIS case, we know search_len > 0, thus i < subject_len
2412                         // not found
2413                         if (si < (int)sizeof(string) - 1)
2414                                 string[si++] = subject[i];
2415                 }
2416         }
2417         // remaining chars (these cannot match)
2418         for (; i < subject_len; i++)
2419                 if (si < (int)sizeof(string) - 1)
2420                         string[si++] = subject[i];
2421         string[si] = '\0';
2422
2423         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2424 }
2425
2426 /*
2427 =========
2428 VM_strireplace
2429
2430 string(string search, string replace, string subject) strireplace = #485;
2431 =========
2432 */
2433 // case-insensitive version of strreplace
2434 void VM_strireplace(void)
2435 {
2436         int i, j, si;
2437         const char *search, *replace, *subject;
2438         char string[VM_STRINGTEMP_LENGTH];
2439         int search_len, replace_len, subject_len;
2440
2441         VM_SAFEPARMCOUNT(3,VM_strreplace);
2442
2443         search = PRVM_G_STRING(OFS_PARM0);
2444         replace = PRVM_G_STRING(OFS_PARM1);
2445         subject = PRVM_G_STRING(OFS_PARM2);
2446
2447         search_len = (int)strlen(search);
2448         replace_len = (int)strlen(replace);
2449         subject_len = (int)strlen(subject);
2450
2451         si = 0;
2452         for (i = 0; i < subject_len; i++)
2453         {
2454                 for (j = 0; j < search_len && i+j < subject_len; j++)
2455                         if (tolower(subject[i+j]) != tolower(search[j]))
2456                                 break;
2457                 if (j == search_len || i+j == subject_len)
2458                 {
2459                 // found it at offset 'i'
2460                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2461                                 string[si++] = replace[j];
2462                         i += search_len - 1;
2463                 }
2464                 else
2465                 {
2466                 // not found
2467                         if (si < (int)sizeof(string) - 1)
2468                                 string[si++] = subject[i];
2469                 }
2470         }
2471         string[si] = '\0';
2472
2473         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2474 }
2475
2476 /*
2477 =========
2478 VM_stov
2479
2480 vector  stov(string s)
2481 =========
2482 */
2483 //vector(string s) stov = #117; // returns vector value from a string
2484 void VM_stov(void)
2485 {
2486         char string[VM_STRINGTEMP_LENGTH];
2487
2488         VM_SAFEPARMCOUNT(1,VM_stov);
2489
2490         VM_VarString(0, string, sizeof(string));
2491         Math_atov(string, PRVM_G_VECTOR(OFS_RETURN));
2492 }
2493
2494 /*
2495 =========
2496 VM_strzone
2497
2498 string  strzone(string s)
2499 =========
2500 */
2501 //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)
2502 void VM_strzone(void)
2503 {
2504         char *out;
2505         char string[VM_STRINGTEMP_LENGTH];
2506         size_t alloclen;
2507
2508         VM_SAFEPARMCOUNT(1,VM_strzone);
2509
2510         VM_VarString(0, string, sizeof(string));
2511         alloclen = strlen(string) + 1;
2512         PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(alloclen, &out);
2513         memcpy(out, string, alloclen);
2514 }
2515
2516 /*
2517 =========
2518 VM_strunzone
2519
2520 strunzone(string s)
2521 =========
2522 */
2523 //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!!!)
2524 void VM_strunzone(void)
2525 {
2526         VM_SAFEPARMCOUNT(1,VM_strunzone);
2527         PRVM_FreeString(PRVM_G_INT(OFS_PARM0));
2528 }
2529
2530 /*
2531 =========
2532 VM_command (used by client and menu)
2533
2534 clientcommand(float client, string s) (for client and menu)
2535 =========
2536 */
2537 //void(entity e, string s) clientcommand = #440; // executes a command string as if it came from the specified client
2538 //this function originally written by KrimZon, made shorter by LordHavoc
2539 void VM_clcommand (void)
2540 {
2541         client_t *temp_client;
2542         int i;
2543
2544         VM_SAFEPARMCOUNT(2,VM_clcommand);
2545
2546         i = (int)PRVM_G_FLOAT(OFS_PARM0);
2547         if (!sv.active  || i < 0 || i >= svs.maxclients || !svs.clients[i].active)
2548         {
2549                 VM_Warning("VM_clientcommand: %s: invalid client/server is not active !\n", PRVM_NAME);
2550                 return;
2551         }
2552
2553         temp_client = host_client;
2554         host_client = svs.clients + i;
2555         Cmd_ExecuteString (PRVM_G_STRING(OFS_PARM1), src_client);
2556         host_client = temp_client;
2557 }
2558
2559
2560 /*
2561 =========
2562 VM_tokenize
2563
2564 float tokenize(string s)
2565 =========
2566 */
2567 //float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
2568 //this function originally written by KrimZon, made shorter by LordHavoc
2569 //20040203: rewritten by LordHavoc (no longer uses allocations)
2570 static int num_tokens = 0;
2571 static int tokens[VM_STRINGTEMP_LENGTH / 2];
2572 static int tokens_startpos[VM_STRINGTEMP_LENGTH / 2];
2573 static int tokens_endpos[VM_STRINGTEMP_LENGTH / 2];
2574 static char tokenize_string[VM_STRINGTEMP_LENGTH];
2575 void VM_tokenize (void)
2576 {
2577         const char *p;
2578
2579         VM_SAFEPARMCOUNT(1,VM_tokenize);
2580
2581         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2582         p = tokenize_string;
2583
2584         num_tokens = 0;
2585         for(;;)
2586         {
2587                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2588                         break;
2589
2590                 // skip whitespace here to find token start pos
2591                 while(*p && ISWHITESPACE(*p))
2592                         ++p;
2593
2594                 tokens_startpos[num_tokens] = p - tokenize_string;
2595                 if(!COM_ParseToken_VM_Tokenize(&p, false))
2596                         break;
2597                 tokens_endpos[num_tokens] = p - tokenize_string;
2598                 tokens[num_tokens] = PRVM_SetTempString(com_token);
2599                 ++num_tokens;
2600         }
2601
2602         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2603 }
2604
2605 //float(string s) tokenize = #514; // takes apart a string into individal words (access them with argv), returns how many
2606 void VM_tokenize_console (void)
2607 {
2608         const char *p;
2609
2610         VM_SAFEPARMCOUNT(1,VM_tokenize);
2611
2612         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2613         p = tokenize_string;
2614
2615         num_tokens = 0;
2616         for(;;)
2617         {
2618                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2619                         break;
2620
2621                 // skip whitespace here to find token start pos
2622                 while(*p && ISWHITESPACE(*p))
2623                         ++p;
2624
2625                 tokens_startpos[num_tokens] = p - tokenize_string;
2626                 if(!COM_ParseToken_Console(&p))
2627                         break;
2628                 tokens_endpos[num_tokens] = p - tokenize_string;
2629                 tokens[num_tokens] = PRVM_SetTempString(com_token);
2630                 ++num_tokens;
2631         }
2632
2633         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2634 }
2635
2636 /*
2637 =========
2638 VM_tokenizebyseparator
2639
2640 float tokenizebyseparator(string s, string separator1, ...)
2641 =========
2642 */
2643 //float(string s, string separator1, ...) tokenizebyseparator = #479; // takes apart a string into individal words (access them with argv), returns how many
2644 //this function returns the token preceding each instance of a separator (of
2645 //which there can be multiple), and the text following the last separator
2646 //useful for parsing certain kinds of data like IP addresses
2647 //example:
2648 //numnumbers = tokenizebyseparator("10.1.2.3", ".");
2649 //returns 4 and the tokens "10" "1" "2" "3".
2650 void VM_tokenizebyseparator (void)
2651 {
2652         int j, k;
2653         int numseparators;
2654         int separatorlen[7];
2655         const char *separators[7];
2656         const char *p, *p0;
2657         const char *token;
2658         char tokentext[MAX_INPUTLINE];
2659
2660         VM_SAFEPARMCOUNTRANGE(2, 8,VM_tokenizebyseparator);
2661
2662         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2663         p = tokenize_string;
2664
2665         numseparators = 0;
2666         for (j = 1;j < prog->argc;j++)
2667         {
2668                 // skip any blank separator strings
2669                 const char *s = PRVM_G_STRING(OFS_PARM0+j*3);
2670                 if (!s[0])
2671                         continue;
2672                 separators[numseparators] = s;
2673                 separatorlen[numseparators] = strlen(s);
2674                 numseparators++;
2675         }
2676
2677         num_tokens = 0;
2678         j = 0;
2679
2680         while (num_tokens < (int)(sizeof(tokens)/sizeof(tokens[0])))
2681         {
2682                 token = tokentext + j;
2683                 tokens_startpos[num_tokens] = p - tokenize_string;
2684                 p0 = p;
2685                 while (*p)
2686                 {
2687                         for (k = 0;k < numseparators;k++)
2688                         {
2689                                 if (!strncmp(p, separators[k], separatorlen[k]))
2690                                 {
2691                                         p += separatorlen[k];
2692                                         break;
2693                                 }
2694                         }
2695                         if (k < numseparators)
2696                                 break;
2697                         if (j < (int)sizeof(tokentext)-1)
2698                                 tokentext[j++] = *p;
2699                         p++;
2700                         p0 = p;
2701                 }
2702                 tokens_endpos[num_tokens] = p0 - tokenize_string;
2703                 if (j >= (int)sizeof(tokentext))
2704                         break;
2705                 tokentext[j++] = 0;
2706                 tokens[num_tokens++] = PRVM_SetTempString(token);
2707                 if (!*p)
2708                         break;
2709         }
2710
2711         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2712 }
2713
2714 //string(float n) argv = #442; // returns a word from the tokenized string (returns nothing for an invalid index)
2715 //this function originally written by KrimZon, made shorter by LordHavoc
2716 void VM_argv (void)
2717 {
2718         int token_num;
2719
2720         VM_SAFEPARMCOUNT(1,VM_argv);
2721
2722         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2723
2724         if(token_num < 0)
2725                 token_num += num_tokens;
2726
2727         if (token_num >= 0 && token_num < num_tokens)
2728                 PRVM_G_INT(OFS_RETURN) = tokens[token_num];
2729         else
2730                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
2731 }
2732
2733 //float(float n) argv_start_index = #515; // returns the start index of a token
2734 void VM_argv_start_index (void)
2735 {
2736         int token_num;
2737
2738         VM_SAFEPARMCOUNT(1,VM_argv);
2739
2740         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2741
2742         if(token_num < 0)
2743                 token_num += num_tokens;
2744
2745         if (token_num >= 0 && token_num < num_tokens)
2746                 PRVM_G_FLOAT(OFS_RETURN) = tokens_startpos[token_num];
2747         else
2748                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2749 }
2750
2751 //float(float n) argv_end_index = #516; // returns the end index of a token
2752 void VM_argv_end_index (void)
2753 {
2754         int token_num;
2755
2756         VM_SAFEPARMCOUNT(1,VM_argv);
2757
2758         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2759
2760         if(token_num < 0)
2761                 token_num += num_tokens;
2762
2763         if (token_num >= 0 && token_num < num_tokens)
2764                 PRVM_G_FLOAT(OFS_RETURN) = tokens_endpos[token_num];
2765         else
2766                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2767 }
2768
2769 /*
2770 =========
2771 VM_isserver
2772
2773 float   isserver()
2774 =========
2775 */
2776 void VM_isserver(void)
2777 {
2778         VM_SAFEPARMCOUNT(0,VM_serverstate);
2779
2780         PRVM_G_FLOAT(OFS_RETURN) = sv.active && (svs.maxclients > 1 || cls.state == ca_dedicated);
2781 }
2782
2783 /*
2784 =========
2785 VM_clientcount
2786
2787 float   clientcount()
2788 =========
2789 */
2790 void VM_clientcount(void)
2791 {
2792         VM_SAFEPARMCOUNT(0,VM_clientcount);
2793
2794         PRVM_G_FLOAT(OFS_RETURN) = svs.maxclients;
2795 }
2796
2797 /*
2798 =========
2799 VM_clientstate
2800
2801 float   clientstate()
2802 =========
2803 */
2804 void VM_clientstate(void)
2805 {
2806         VM_SAFEPARMCOUNT(0,VM_clientstate);
2807
2808
2809         switch( cls.state ) {
2810                 case ca_uninitialized:
2811                 case ca_dedicated:
2812                         PRVM_G_FLOAT(OFS_RETURN) = 0;
2813                         break;
2814                 case ca_disconnected:
2815                         PRVM_G_FLOAT(OFS_RETURN) = 1;
2816                         break;
2817                 case ca_connected:
2818                         PRVM_G_FLOAT(OFS_RETURN) = 2;
2819                         break;
2820                 default:
2821                         // should never be reached!
2822                         break;
2823         }
2824 }
2825
2826 /*
2827 =========
2828 VM_getostype
2829
2830 float   getostype(void)
2831 =========
2832 */ // not used at the moment -> not included in the common list
2833 void VM_getostype(void)
2834 {
2835         VM_SAFEPARMCOUNT(0,VM_getostype);
2836
2837         /*
2838         OS_WINDOWS
2839         OS_LINUX
2840         OS_MAC - not supported
2841         */
2842
2843 #ifdef WIN32
2844         PRVM_G_FLOAT(OFS_RETURN) = 0;
2845 #elif defined(MACOSX)
2846         PRVM_G_FLOAT(OFS_RETURN) = 2;
2847 #else
2848         PRVM_G_FLOAT(OFS_RETURN) = 1;
2849 #endif
2850 }
2851
2852 /*
2853 =========
2854 VM_gettime
2855
2856 float   gettime(void)
2857 =========
2858 */
2859 extern double host_starttime;
2860 float CDAudio_GetPosition(void);
2861 void VM_gettime(void)
2862 {
2863         int timer_index;
2864
2865         VM_SAFEPARMCOUNTRANGE(0,1,VM_gettime);
2866
2867         if(prog->argc == 0)
2868         {
2869                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2870         }
2871         else
2872         {
2873                 timer_index = (int) PRVM_G_FLOAT(OFS_PARM0);
2874         switch(timer_index)
2875         {
2876             case 0: // GETTIME_FRAMESTART
2877                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2878                 break;
2879             case 1: // GETTIME_REALTIME
2880                 PRVM_G_FLOAT(OFS_RETURN) = (float) Sys_DoubleTime();
2881                 break;
2882             case 2: // GETTIME_HIRES
2883                 PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - realtime);
2884                 break;
2885             case 3: // GETTIME_UPTIME
2886                 PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - host_starttime);
2887                 break;
2888             case 4: // GETTIME_CDTRACK
2889                 PRVM_G_FLOAT(OFS_RETURN) = (float) CDAudio_GetPosition();
2890                 break;
2891                         default:
2892                                 VM_Warning("VM_gettime: %s: unsupported timer specified, returning realtime\n", PRVM_NAME);
2893                                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2894                                 break;
2895                 }
2896         }
2897 }
2898
2899 /*
2900 =========
2901 VM_getsoundtime
2902
2903 float   getsoundtime(void)
2904 =========
2905 */
2906
2907 void VM_getsoundtime (void)
2908 {
2909         int entnum, entchannel, pnum;
2910         VM_SAFEPARMCOUNT(2,VM_getsoundtime);
2911
2912         pnum = PRVM_GetProgNr();
2913         if (pnum == PRVM_MENUPROG)
2914         {
2915                 VM_Warning("VM_getsoundtime: %s: not supported on this progs\n", PRVM_NAME);
2916                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2917                 return;
2918         }
2919         entnum = ((pnum == PRVM_CLIENTPROG) ? MAX_EDICTS : 0) + PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2920         entchannel = (int)PRVM_G_FLOAT(OFS_PARM1);
2921         if (entchannel <= 0 || entchannel > 8)
2922                 VM_Warning("VM_getsoundtime: %s: bad channel %i\n", PRVM_NAME, entchannel);
2923         PRVM_G_FLOAT(OFS_RETURN) = (float)S_GetEntChannelPosition(entnum, entchannel);
2924 }
2925
2926 /*
2927 =========
2928 VM_GetSoundLen
2929
2930 string  soundlength (string sample)
2931 =========
2932 */
2933 void VM_soundlength (void)
2934 {
2935         const char *s;
2936
2937         VM_SAFEPARMCOUNT(1, VM_soundlength);
2938
2939         s = PRVM_G_STRING(OFS_PARM0);
2940         PRVM_G_FLOAT(OFS_RETURN) = S_SoundLength(s);
2941 }
2942
2943 /*
2944 =========
2945 VM_loadfromdata
2946
2947 loadfromdata(string data)
2948 =========
2949 */
2950 void VM_loadfromdata(void)
2951 {
2952         VM_SAFEPARMCOUNT(1,VM_loadentsfromfile);
2953
2954         PRVM_ED_LoadFromFile(PRVM_G_STRING(OFS_PARM0));
2955 }
2956
2957 /*
2958 ========================
2959 VM_parseentitydata
2960
2961 parseentitydata(entity ent, string data)
2962 ========================
2963 */
2964 void VM_parseentitydata(void)
2965 {
2966         prvm_edict_t *ent;
2967         const char *data;
2968
2969         VM_SAFEPARMCOUNT(2, VM_parseentitydata);
2970
2971         // get edict and test it
2972         ent = PRVM_G_EDICT(OFS_PARM0);
2973         if (ent->priv.required->free)
2974                 PRVM_ERROR ("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2975
2976         data = PRVM_G_STRING(OFS_PARM1);
2977
2978         // parse the opening brace
2979         if (!COM_ParseToken_Simple(&data, false, false) || com_token[0] != '{' )
2980                 PRVM_ERROR ("VM_parseentitydata: %s: Couldn't parse entity data:\n%s", PRVM_NAME, data );
2981
2982         PRVM_ED_ParseEdict (data, ent);
2983 }
2984
2985 /*
2986 =========
2987 VM_loadfromfile
2988
2989 loadfromfile(string file)
2990 =========
2991 */
2992 void VM_loadfromfile(void)
2993 {
2994         const char *filename;
2995         char *data;
2996
2997         VM_SAFEPARMCOUNT(1,VM_loadfromfile);
2998
2999         filename = PRVM_G_STRING(OFS_PARM0);
3000         if (FS_CheckNastyPath(filename, false))
3001         {
3002                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3003                 VM_Warning("VM_loadfromfile: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", PRVM_NAME, filename);
3004                 return;
3005         }
3006
3007         // not conform with VM_fopen
3008         data = (char *)FS_LoadFile(filename, tempmempool, false, NULL);
3009         if (data == NULL)
3010                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3011
3012         PRVM_ED_LoadFromFile(data);
3013
3014         if(data)
3015                 Mem_Free(data);
3016 }
3017
3018
3019 /*
3020 =========
3021 VM_modulo
3022
3023 float   mod(float val, float m)
3024 =========
3025 */
3026 void VM_modulo(void)
3027 {
3028         int val, m;
3029         VM_SAFEPARMCOUNT(2,VM_module);
3030
3031         val = (int) PRVM_G_FLOAT(OFS_PARM0);
3032         m       = (int) PRVM_G_FLOAT(OFS_PARM1);
3033
3034         PRVM_G_FLOAT(OFS_RETURN) = (float) (val % m);
3035 }
3036
3037 void VM_Search_Init(void)
3038 {
3039         int i;
3040         for (i = 0;i < PRVM_MAX_OPENSEARCHES;i++)
3041                 prog->opensearches[i] = NULL;
3042 }
3043
3044 void VM_Search_Reset(void)
3045 {
3046         int i;
3047         // reset the fssearch list
3048         for(i = 0; i < PRVM_MAX_OPENSEARCHES; i++)
3049         {
3050                 if(prog->opensearches[i])
3051                         FS_FreeSearch(prog->opensearches[i]);
3052                 prog->opensearches[i] = NULL;
3053         }
3054 }
3055
3056 /*
3057 =========
3058 VM_search_begin
3059
3060 float search_begin(string pattern, float caseinsensitive, float quiet)
3061 =========
3062 */
3063 void VM_search_begin(void)
3064 {
3065         int handle;
3066         const char *pattern;
3067         int caseinsens, quiet;
3068
3069         VM_SAFEPARMCOUNT(3, VM_search_begin);
3070
3071         pattern = PRVM_G_STRING(OFS_PARM0);
3072
3073         VM_CheckEmptyString(pattern);
3074
3075         caseinsens = (int)PRVM_G_FLOAT(OFS_PARM1);
3076         quiet = (int)PRVM_G_FLOAT(OFS_PARM2);
3077
3078         for(handle = 0; handle < PRVM_MAX_OPENSEARCHES; handle++)
3079                 if(!prog->opensearches[handle])
3080                         break;
3081
3082         if(handle >= PRVM_MAX_OPENSEARCHES)
3083         {
3084                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3085                 VM_Warning("VM_search_begin: %s ran out of search handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENSEARCHES);
3086                 return;
3087         }
3088
3089         if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
3090                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3091         else
3092         {
3093                 prog->opensearches_origin[handle] = PRVM_AllocationOrigin();
3094                 PRVM_G_FLOAT(OFS_RETURN) = handle;
3095         }
3096 }
3097
3098 /*
3099 =========
3100 VM_search_end
3101
3102 void    search_end(float handle)
3103 =========
3104 */
3105 void VM_search_end(void)
3106 {
3107         int handle;
3108         VM_SAFEPARMCOUNT(1, VM_search_end);
3109
3110         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3111
3112         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3113         {
3114                 VM_Warning("VM_search_end: invalid handle %i used in %s\n", handle, PRVM_NAME);
3115                 return;
3116         }
3117         if(prog->opensearches[handle] == NULL)
3118         {
3119                 VM_Warning("VM_search_end: no such handle %i in %s\n", handle, PRVM_NAME);
3120                 return;
3121         }
3122
3123         FS_FreeSearch(prog->opensearches[handle]);
3124         prog->opensearches[handle] = NULL;
3125         if(prog->opensearches_origin[handle])
3126                 PRVM_Free((char *)prog->opensearches_origin[handle]);
3127 }
3128
3129 /*
3130 =========
3131 VM_search_getsize
3132
3133 float   search_getsize(float handle)
3134 =========
3135 */
3136 void VM_search_getsize(void)
3137 {
3138         int handle;
3139         VM_SAFEPARMCOUNT(1, VM_M_search_getsize);
3140
3141         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3142
3143         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3144         {
3145                 VM_Warning("VM_search_getsize: invalid handle %i used in %s\n", handle, PRVM_NAME);
3146                 return;
3147         }
3148         if(prog->opensearches[handle] == NULL)
3149         {
3150                 VM_Warning("VM_search_getsize: no such handle %i in %s\n", handle, PRVM_NAME);
3151                 return;
3152         }
3153
3154         PRVM_G_FLOAT(OFS_RETURN) = prog->opensearches[handle]->numfilenames;
3155 }
3156
3157 /*
3158 =========
3159 VM_search_getfilename
3160
3161 string  search_getfilename(float handle, float num)
3162 =========
3163 */
3164 void VM_search_getfilename(void)
3165 {
3166         int handle, filenum;
3167         VM_SAFEPARMCOUNT(2, VM_search_getfilename);
3168
3169         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3170         filenum = (int)PRVM_G_FLOAT(OFS_PARM1);
3171
3172         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3173         {
3174                 VM_Warning("VM_search_getfilename: invalid handle %i used in %s\n", handle, PRVM_NAME);
3175                 return;
3176         }
3177         if(prog->opensearches[handle] == NULL)
3178         {
3179                 VM_Warning("VM_search_getfilename: no such handle %i in %s\n", handle, PRVM_NAME);
3180                 return;
3181         }
3182         if(filenum < 0 || filenum >= prog->opensearches[handle]->numfilenames)
3183         {
3184                 VM_Warning("VM_search_getfilename: invalid filenum %i in %s\n", filenum, PRVM_NAME);
3185                 return;
3186         }
3187
3188         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog->opensearches[handle]->filenames[filenum]);
3189 }
3190
3191 /*
3192 =========
3193 VM_chr
3194
3195 string  chr(float ascii)
3196 =========
3197 */
3198 void VM_chr(void)
3199 {
3200         /*
3201         char tmp[2];
3202         VM_SAFEPARMCOUNT(1, VM_chr);
3203
3204         tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
3205         tmp[1] = 0;
3206
3207         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
3208         */
3209
3210         char tmp[8];
3211         int len;
3212         VM_SAFEPARMCOUNT(1, VM_chr);
3213
3214         len = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0), tmp, sizeof(tmp));
3215         tmp[len] = 0;
3216         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
3217 }
3218
3219 //=============================================================================
3220 // Draw builtins (client & menu)
3221
3222 /*
3223 =========
3224 VM_iscachedpic
3225
3226 float   iscachedpic(string pic)
3227 =========
3228 */
3229 void VM_iscachedpic(void)
3230 {
3231         VM_SAFEPARMCOUNT(1,VM_iscachedpic);
3232
3233         // drawq hasnt such a function, thus always return true
3234         PRVM_G_FLOAT(OFS_RETURN) = false;
3235 }
3236
3237 /*
3238 =========
3239 VM_precache_pic
3240
3241 string  precache_pic(string pic)
3242 =========
3243 */
3244 void VM_precache_pic(void)
3245 {
3246         const char      *s;
3247
3248         VM_SAFEPARMCOUNT(1, VM_precache_pic);
3249
3250         s = PRVM_G_STRING(OFS_PARM0);
3251         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
3252         VM_CheckEmptyString (s);
3253
3254         // AK Draw_CachePic is supposed to always return a valid pointer
3255         if( Draw_CachePic_Flags(s, 0)->tex == r_texture_notexture )
3256                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
3257 }
3258
3259 /*
3260 =========
3261 VM_freepic
3262
3263 freepic(string s)
3264 =========
3265 */
3266 void VM_freepic(void)
3267 {
3268         const char *s;
3269
3270         VM_SAFEPARMCOUNT(1,VM_freepic);
3271
3272         s = PRVM_G_STRING(OFS_PARM0);
3273         VM_CheckEmptyString (s);
3274
3275         Draw_FreePic(s);
3276 }
3277
3278 void getdrawfontscale(float *sx, float *sy)
3279 {
3280         vec3_t v;
3281         *sx = *sy = 1;
3282         if(prog->globaloffsets.drawfontscale >= 0)
3283         {
3284                 VectorCopy(PRVM_G_VECTOR(prog->globaloffsets.drawfontscale), v);
3285                 if(VectorLength2(v) > 0)
3286                 {
3287                         *sx = v[0];
3288                         *sy = v[1];
3289                 }
3290         }
3291 }
3292
3293 dp_font_t *getdrawfont(void)
3294 {
3295         if(prog->globaloffsets.drawfont >= 0)
3296         {
3297                 int f = (int) PRVM_G_FLOAT(prog->globaloffsets.drawfont);
3298                 if(f < 0 || f >= dp_fonts.maxsize)
3299                         return FONT_DEFAULT;
3300                 return &dp_fonts.f[f];
3301         }
3302         else
3303                 return FONT_DEFAULT;
3304 }
3305
3306 /*
3307 =========
3308 VM_drawcharacter
3309
3310 float   drawcharacter(vector position, float character, vector scale, vector rgb, float alpha, float flag)
3311 =========
3312 */
3313 void VM_drawcharacter(void)
3314 {
3315         float *pos,*scale,*rgb;
3316         char   character;
3317         int flag;
3318         float sx, sy;
3319         VM_SAFEPARMCOUNT(6,VM_drawcharacter);
3320
3321         character = (char) PRVM_G_FLOAT(OFS_PARM1);
3322         if(character == 0)
3323         {
3324                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3325                 VM_Warning("VM_drawcharacter: %s passed null character !\n",PRVM_NAME);
3326                 return;
3327         }
3328
3329         pos = PRVM_G_VECTOR(OFS_PARM0);
3330         scale = PRVM_G_VECTOR(OFS_PARM2);
3331         rgb = PRVM_G_VECTOR(OFS_PARM3);
3332         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3333
3334         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3335         {
3336                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3337                 VM_Warning("VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3338                 return;
3339         }
3340
3341         if(pos[2] || scale[2])
3342                 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")));
3343
3344         if(!scale[0] || !scale[1])
3345         {
3346                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3347                 VM_Warning("VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3348                 return;
3349         }
3350
3351         getdrawfontscale(&sx, &sy);
3352         DrawQ_String_Scale(pos[0], pos[1], &character, 1, scale[0], scale[1], sx, sy, rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag, NULL, true, getdrawfont());
3353         PRVM_G_FLOAT(OFS_RETURN) = 1;
3354 }
3355
3356 /*
3357 =========
3358 VM_drawstring
3359
3360 float   drawstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3361 =========
3362 */
3363 void VM_drawstring(void)
3364 {
3365         float *pos,*scale,*rgb;
3366         const char  *string;
3367         int flag;
3368         float sx, sy;
3369         VM_SAFEPARMCOUNT(6,VM_drawstring);
3370
3371         string = PRVM_G_STRING(OFS_PARM1);
3372         pos = PRVM_G_VECTOR(OFS_PARM0);
3373         scale = PRVM_G_VECTOR(OFS_PARM2);
3374         rgb = PRVM_G_VECTOR(OFS_PARM3);
3375         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3376
3377         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3378         {
3379                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3380                 VM_Warning("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3381                 return;
3382         }
3383
3384         if(!scale[0] || !scale[1])
3385         {
3386                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3387                 VM_Warning("VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3388                 return;
3389         }
3390
3391         if(pos[2] || scale[2])
3392                 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")));
3393
3394         getdrawfontscale(&sx, &sy);
3395         DrawQ_String_Scale(pos[0], pos[1], string, 0, scale[0], scale[1], sx, sy, rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag, NULL, true, getdrawfont());
3396         //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);
3397         PRVM_G_FLOAT(OFS_RETURN) = 1;
3398 }
3399
3400 /*
3401 =========
3402 VM_drawcolorcodedstring
3403
3404 float   drawcolorcodedstring(vector position, string text, vector scale, float alpha, float flag)
3405 /
3406 float   drawcolorcodedstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3407 =========
3408 */
3409 void VM_drawcolorcodedstring(void)
3410 {
3411         float *pos, *scale;
3412         const char  *string;
3413         int flag;
3414         vec3_t rgb;
3415         float sx, sy, alpha;
3416
3417         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawcolorcodedstring);
3418
3419         if (prog->argc == 6) // full 6 parms, like normal drawstring
3420         {
3421                 pos = PRVM_G_VECTOR(OFS_PARM0);
3422                 string = PRVM_G_STRING(OFS_PARM1);
3423                 scale = PRVM_G_VECTOR(OFS_PARM2);
3424                 VectorCopy(PRVM_G_VECTOR(OFS_PARM3), rgb);
3425                 alpha = PRVM_G_FLOAT(OFS_PARM4);
3426                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3427         }
3428         else
3429         {
3430                 pos = PRVM_G_VECTOR(OFS_PARM0);
3431                 string = PRVM_G_STRING(OFS_PARM1);
3432                 scale = PRVM_G_VECTOR(OFS_PARM2);
3433                 rgb[0] = 1.0;
3434                 rgb[1] = 1.0;
3435                 rgb[2] = 1.0;
3436                 alpha = PRVM_G_FLOAT(OFS_PARM3);
3437                 flag = (int)PRVM_G_FLOAT(OFS_PARM4);
3438         }
3439
3440         if(flag < DRAWFLAG_NORMAL || flag >= DRAWFLAG_NUMFLAGS)
3441         {
3442                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3443                 VM_Warning("VM_drawcolorcodedstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3444                 return;
3445         }
3446
3447         if(!scale[0] || !scale[1])
3448         {
3449                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3450                 VM_Warning("VM_drawcolorcodedstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3451                 return;
3452         }
3453
3454         if(pos[2] || scale[2])
3455                 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")));
3456
3457         getdrawfontscale(&sx, &sy);
3458         DrawQ_String_Scale(pos[0], pos[1], string, 0, scale[0], scale[1], sx, sy, rgb[0], rgb[1], rgb[2], alpha, flag, NULL, false, getdrawfont());
3459         if (prog->argc == 6) // also return vector of last color
3460                 VectorCopy(DrawQ_Color, PRVM_G_VECTOR(OFS_RETURN));
3461         else
3462                 PRVM_G_FLOAT(OFS_RETURN) = 1;
3463 }
3464 /*
3465 =========
3466 VM_stringwidth
3467
3468 float   stringwidth(string text, float allowColorCodes, float size)
3469 =========
3470 */
3471 void VM_stringwidth(void)
3472 {
3473         const char  *string;
3474         float *szv;
3475         float mult; // sz is intended font size so we can later add freetype support, mult is font size multiplier in pixels per character cell
3476         int colors;
3477         float sx, sy;
3478         size_t maxlen = 0;
3479         VM_SAFEPARMCOUNTRANGE(2,3,VM_drawstring);
3480
3481         getdrawfontscale(&sx, &sy);
3482         if(prog->argc == 3)
3483         {
3484                 szv = PRVM_G_VECTOR(OFS_PARM2);
3485                 mult = 1;
3486         }
3487         else
3488         {
3489                 // we want the width for 8x8 font size, divided by 8
3490                 static float defsize[] = {8, 8};
3491                 szv = defsize;
3492                 mult = 0.125;
3493                 // to make sure snapping is turned off, ALWAYS use a nontrivial scale in this case
3494                 if(sx >= 0.9 && sx <= 1.1)
3495                 {
3496                         mult *= 2;
3497                         sx /= 2;
3498                         sy /= 2;
3499                 }
3500         }
3501
3502         string = PRVM_G_STRING(OFS_PARM0);
3503         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3504
3505         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_UntilWidth_TrackColors_Scale(string, &maxlen, szv[0], szv[1], sx, sy, NULL, !colors, getdrawfont(), 1000000000) * mult;
3506 /*
3507         if(prog->argc == 3)
3508         {
3509                 mult = sz = PRVM_G_FLOAT(OFS_PARM2);
3510         }
3511         else
3512         {
3513                 sz = 8;
3514                 mult = 1;
3515         }
3516
3517         string = PRVM_G_STRING(OFS_PARM0);
3518         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3519
3520         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth(string, 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
3521 */
3522 }
3523
3524 /*
3525 =========
3526 VM_findfont
3527
3528 float findfont(string s)
3529 =========
3530 */
3531
3532 float getdrawfontnum(const char *fontname)
3533 {
3534         int i;
3535
3536         for(i = 0; i < dp_fonts.maxsize; ++i)
3537                 if(!strcmp(dp_fonts.f[i].title, fontname))
3538                         return i;
3539         return -1;
3540 }
3541
3542 void VM_findfont(void)
3543 {
3544         VM_SAFEPARMCOUNT(1,VM_findfont);
3545         PRVM_G_FLOAT(OFS_RETURN) = getdrawfontnum(PRVM_G_STRING(OFS_PARM0));
3546 }
3547
3548 /*
3549 =========
3550 VM_loadfont
3551
3552 float loadfont(string fontname, string fontmaps, string sizes, float slot)
3553 =========
3554 */
3555
3556 dp_font_t *FindFont(const char *title, qboolean allocate_new);
3557 void LoadFont(qboolean override, const char *name, dp_font_t *fnt, float scale, float voffset);
3558 void VM_loadfont(void)
3559 {
3560         const char *fontname, *filelist, *sizes, *c, *cm;
3561         char mainfont[MAX_QPATH];
3562         int i, numsizes;
3563         float sz, scale, voffset;
3564         dp_font_t *f;
3565
3566         VM_SAFEPARMCOUNTRANGE(3,6,VM_loadfont);
3567
3568         fontname = PRVM_G_STRING(OFS_PARM0);
3569         if (!fontname[0])
3570                 fontname = "default";
3571
3572         filelist = PRVM_G_STRING(OFS_PARM1);
3573         if (!filelist[0])
3574                 filelist = "gfx/conchars";
3575
3576         sizes = PRVM_G_STRING(OFS_PARM2);
3577         if (!sizes[0])
3578                 sizes = "10";
3579
3580         // find a font
3581         f = NULL;
3582         if (prog->argc >= 4)
3583         {
3584                 i = PRVM_G_FLOAT(OFS_PARM3);
3585                 if (i >= 0 && i < dp_fonts.maxsize)
3586                 {
3587                         f = &dp_fonts.f[i];
3588                         strlcpy(f->title, fontname, sizeof(f->title)); // replace name
3589                 }
3590         }
3591         if (!f)
3592                 f = FindFont(fontname, true);
3593         if (!f)
3594         {
3595                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3596                 return; // something go wrong
3597         }
3598
3599         memset(f->fallbacks, 0, sizeof(f->fallbacks));
3600         memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
3601
3602         // first font is handled "normally"
3603         c = strchr(filelist, ':');
3604         cm = strchr(filelist, ',');
3605         if(c && (!cm || c < cm))
3606                 f->req_face = atoi(c+1);
3607         else
3608         {
3609                 f->req_face = 0;
3610                 c = cm;
3611         }
3612         if(!c || (c - filelist) > MAX_QPATH)
3613                 strlcpy(mainfont, filelist, sizeof(mainfont));
3614         else
3615         {
3616                 memcpy(mainfont, filelist, c - filelist);
3617                 mainfont[c - filelist] = 0;
3618         }
3619
3620         // handle fallbacks
3621         for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
3622         {
3623                 c = strchr(filelist, ',');
3624                 if(!c)
3625                         break;
3626                 filelist = c + 1;
3627                 if(!*filelist)
3628                         break;
3629                 c = strchr(filelist, ':');
3630                 cm = strchr(filelist, ',');
3631                 if(c && (!cm || c < cm))
3632                         f->fallback_faces[i] = atoi(c+1);
3633                 else
3634                 {
3635                         f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
3636                         c = cm;
3637                 }
3638                 if(!c || (c-filelist) > MAX_QPATH)
3639                 {
3640                         strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
3641                 }
3642                 else
3643                 {
3644                         memcpy(f->fallbacks[i], filelist, c - filelist);
3645                         f->fallbacks[i][c - filelist] = 0;
3646                 }
3647         }
3648
3649         // handle sizes
3650         for(i = 0; i < MAX_FONT_SIZES; ++i)
3651                 f->req_sizes[i] = -1;
3652         for (numsizes = 0,c = sizes;;)
3653         {
3654                 if (!COM_ParseToken_VM_Tokenize(&c, 0))
3655                         break;
3656                 sz = atof(com_token);
3657                 // detect crap size
3658                 if (sz < 0.001f || sz > 1000.0f)
3659                 {
3660                         VM_Warning("VM_loadfont: crap size %s", com_token);
3661                         continue;
3662                 }
3663                 // check overflow
3664                 if (numsizes == MAX_FONT_SIZES)
3665                 {
3666                         VM_Warning("VM_loadfont: MAX_FONT_SIZES = %i exceeded", MAX_FONT_SIZES);
3667                         break;
3668                 }
3669                 f->req_sizes[numsizes] = sz;
3670                 numsizes++;
3671         }
3672
3673         // additional scale/hoffset parms
3674         scale = 1;
3675         voffset = 0;
3676         if (prog->argc >= 5)
3677         {
3678                 scale = PRVM_G_FLOAT(OFS_PARM4);
3679                 if (scale <= 0)
3680                         scale = 1;
3681         }
3682         if (prog->argc >= 6)
3683                 voffset = PRVM_G_FLOAT(OFS_PARM5);
3684
3685         // load
3686         LoadFont(true, mainfont, f, scale, voffset);
3687
3688         // return index of loaded font
3689         PRVM_G_FLOAT(OFS_RETURN) = (f - dp_fonts.f);
3690 }
3691
3692 /*
3693 =========
3694 VM_drawpic
3695
3696 float   drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
3697 =========
3698 */
3699 void VM_drawpic(void)
3700 {
3701         const char *picname;
3702         float *size, *pos, *rgb;
3703         int flag;
3704
3705         VM_SAFEPARMCOUNT(6,VM_drawpic);
3706
3707         picname = PRVM_G_STRING(OFS_PARM1);
3708         VM_CheckEmptyString (picname);
3709
3710         // is pic cached ? no function yet for that
3711         if(!1)
3712         {
3713                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3714                 VM_Warning("VM_drawpic: %s: %s not cached !\n", PRVM_NAME, picname);
3715                 return;
3716         }
3717
3718         pos = PRVM_G_VECTOR(OFS_PARM0);
3719         size = PRVM_G_VECTOR(OFS_PARM2);
3720         rgb = PRVM_G_VECTOR(OFS_PARM3);
3721         flag = (int) PRVM_G_FLOAT(OFS_PARM5);
3722
3723         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3724         {
3725                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3726                 VM_Warning("VM_drawpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3727                 return;
3728         }
3729
3730         if(pos[2] || size[2])
3731                 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")));
3732
3733         DrawQ_Pic(pos[0], pos[1], Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT), size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
3734         PRVM_G_FLOAT(OFS_RETURN) = 1;
3735 }
3736 /*
3737 =========
3738 VM_drawrotpic
3739
3740 float   drawrotpic(vector position, string pic, vector size, vector org, float angle, vector rgb, float alpha, float flag)
3741 =========
3742 */
3743 void VM_drawrotpic(void)
3744 {
3745         const char *picname;
3746         float *size, *pos, *org, *rgb;
3747         int flag;
3748
3749         VM_SAFEPARMCOUNT(8,VM_drawrotpic);
3750
3751         picname = PRVM_G_STRING(OFS_PARM1);
3752         VM_CheckEmptyString (picname);
3753
3754         // is pic cached ? no function yet for that
3755         if(!1)
3756         {
3757                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3758                 VM_Warning("VM_drawrotpic: %s: %s not cached !\n", PRVM_NAME, picname);
3759                 return;
3760         }
3761
3762         pos = PRVM_G_VECTOR(OFS_PARM0);
3763         size = PRVM_G_VECTOR(OFS_PARM2);
3764         org = PRVM_G_VECTOR(OFS_PARM3);
3765         rgb = PRVM_G_VECTOR(OFS_PARM5);
3766         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3767
3768         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3769         {
3770                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3771                 VM_Warning("VM_drawrotpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3772                 return;
3773         }
3774
3775         if(pos[2] || size[2] || org[2])
3776                 Con_Printf("VM_drawrotpic: z value from pos/size/org discarded\n");
3777
3778         DrawQ_RotPic(pos[0], pos[1], Draw_CachePic_Flags(picname, CACHEPICFLAG_NOTPERSISTENT), 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);
3779         PRVM_G_FLOAT(OFS_RETURN) = 1;
3780 }
3781 /*
3782 =========
3783 VM_drawsubpic
3784
3785 float   drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
3786
3787 =========
3788 */
3789 void VM_drawsubpic(void)
3790 {
3791         const char *picname;
3792         float *size, *pos, *rgb, *srcPos, *srcSize, alpha;
3793         int flag;
3794
3795         VM_SAFEPARMCOUNT(8,VM_drawsubpic);
3796
3797         picname = PRVM_G_STRING(OFS_PARM2);
3798         VM_CheckEmptyString (picname);
3799
3800         // is pic cached ? no function yet for that
3801         if(!1)
3802         {
3803                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3804                 VM_Warning("VM_drawsubpic: %s: %s not cached !\n", PRVM_NAME, picname);
3805                 return;
3806         }
3807
3808         pos = PRVM_G_VECTOR(OFS_PARM0);
3809         size = PRVM_G_VECTOR(OFS_PARM1);
3810         srcPos = PRVM_G_VECTOR(OFS_PARM3);
3811         srcSize = PRVM_G_VECTOR(OFS_PARM4);
3812         rgb = PRVM_G_VECTOR(OFS_PARM5);
3813         alpha = PRVM_G_FLOAT(OFS_PARM6);
3814         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3815
3816         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3817         {
3818                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3819                 VM_Warning("VM_drawsubpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3820                 return;
3821         }
3822
3823         if(pos[2] || size[2])
3824                 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")));
3825
3826         DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT),
3827                 size[0], size[1],
3828                 srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3829                 srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3830                 srcPos[0],              srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3831                 srcPos[0] + srcSize[0], srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3832                 flag);
3833         PRVM_G_FLOAT(OFS_RETURN) = 1;
3834 }
3835
3836 /*
3837 =========
3838 VM_drawfill
3839
3840 float drawfill(vector position, vector size, vector rgb, float alpha, float flag)
3841 =========
3842 */
3843 void VM_drawfill(void)
3844 {
3845         float *size, *pos, *rgb;
3846         int flag;
3847
3848         VM_SAFEPARMCOUNT(5,VM_drawfill);
3849
3850
3851         pos = PRVM_G_VECTOR(OFS_PARM0);
3852         size = PRVM_G_VECTOR(OFS_PARM1);
3853         rgb = PRVM_G_VECTOR(OFS_PARM2);
3854         flag = (int) PRVM_G_FLOAT(OFS_PARM4);
3855
3856         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3857         {
3858                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3859                 VM_Warning("VM_drawfill: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3860                 return;
3861         }
3862
3863         if(pos[2] || size[2])
3864                 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")));
3865
3866         DrawQ_Fill(pos[0], pos[1], size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
3867         PRVM_G_FLOAT(OFS_RETURN) = 1;
3868 }
3869
3870 /*
3871 =========
3872 VM_drawsetcliparea
3873
3874 drawsetcliparea(float x, float y, float width, float height)
3875 =========
3876 */
3877 void VM_drawsetcliparea(void)
3878 {
3879         float x,y,w,h;
3880         VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
3881
3882         x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
3883         y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
3884         w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
3885         h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
3886
3887         DrawQ_SetClipArea(x, y, w, h);
3888 }
3889
3890 /*
3891 =========
3892 VM_drawresetcliparea
3893
3894 drawresetcliparea()
3895 =========
3896 */
3897 void VM_drawresetcliparea(void)
3898 {
3899         VM_SAFEPARMCOUNT(0,VM_drawresetcliparea);
3900
3901         DrawQ_ResetClipArea();
3902 }
3903
3904 /*
3905 =========
3906 VM_getimagesize
3907
3908 vector  getimagesize(string pic)
3909 =========
3910 */
3911 void VM_getimagesize(void)
3912 {
3913         const char *p;
3914         cachepic_t *pic;
3915
3916         VM_SAFEPARMCOUNT(1,VM_getimagesize);
3917
3918         p = PRVM_G_STRING(OFS_PARM0);
3919         VM_CheckEmptyString (p);
3920
3921         pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
3922
3923         PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
3924         PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
3925         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
3926 }
3927
3928 /*
3929 =========
3930 VM_keynumtostring
3931
3932 string keynumtostring(float keynum)
3933 =========
3934 */
3935 void VM_keynumtostring (void)
3936 {
3937         VM_SAFEPARMCOUNT(1, VM_keynumtostring);
3938
3939         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0)));
3940 }
3941
3942 /*
3943 =========
3944 VM_findkeysforcommand
3945
3946 string  findkeysforcommand(string command, float bindmap)
3947
3948 the returned string is an altstring
3949 =========
3950 */
3951 #define FKFC_NUMKEYS 5
3952 void M_FindKeysForCommand(const char *command, int *keys);
3953 void VM_findkeysforcommand(void)
3954 {
3955         const char *cmd;
3956         char ret[VM_STRINGTEMP_LENGTH];
3957         int keys[FKFC_NUMKEYS];
3958         int i;
3959         int bindmap;
3960
3961         VM_SAFEPARMCOUNTRANGE(1, 2, VM_findkeysforcommand);
3962
3963         cmd = PRVM_G_STRING(OFS_PARM0);
3964         if(prog->argc == 2)
3965                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
3966         else
3967                 bindmap = 0; // consistent to "bind"
3968
3969         VM_CheckEmptyString(cmd);
3970
3971         Key_FindKeysForCommand(cmd, keys, FKFC_NUMKEYS, bindmap);
3972
3973         ret[0] = 0;
3974         for(i = 0; i < FKFC_NUMKEYS; i++)
3975                 strlcat(ret, va(" \'%i\'", keys[i]), sizeof(ret));
3976
3977         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(ret);
3978 }
3979
3980 /*
3981 =========
3982 VM_stringtokeynum
3983
3984 float stringtokeynum(string key)
3985 =========
3986 */
3987 void VM_stringtokeynum (void)
3988 {
3989         VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
3990
3991         PRVM_G_FLOAT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
3992 }
3993
3994 /*
3995 =========
3996 VM_getkeybind
3997
3998 string getkeybind(float key, float bindmap)
3999 =========
4000 */
4001 void VM_getkeybind (void)
4002 {
4003         int bindmap;
4004         VM_SAFEPARMCOUNTRANGE(1, 2, VM_CL_getkeybind);
4005         if(prog->argc == 2)
4006                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4007         else
4008                 bindmap = 0; // consistent to "bind"
4009
4010         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0), bindmap));
4011 }
4012
4013 /*
4014 =========
4015 VM_setkeybind
4016
4017 float setkeybind(float key, string cmd, float bindmap)
4018 =========
4019 */
4020 void VM_setkeybind (void)
4021 {
4022         int bindmap;
4023         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_setkeybind);
4024         if(prog->argc == 3)
4025                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM2), MAX_BINDMAPS-1);
4026         else
4027                 bindmap = 0; // consistent to "bind"
4028
4029         PRVM_G_FLOAT(OFS_RETURN) = 0;
4030         if(Key_SetBinding((int)PRVM_G_FLOAT(OFS_PARM0), bindmap, PRVM_G_STRING(OFS_PARM1)))
4031                 PRVM_G_FLOAT(OFS_RETURN) = 1;
4032 }
4033
4034 /*
4035 =========
4036 VM_getbindmap
4037
4038 vector getbindmaps()
4039 =========
4040 */
4041 void VM_getbindmaps (void)
4042 {
4043         int fg, bg;
4044         VM_SAFEPARMCOUNT(0, VM_CL_getbindmap);
4045         Key_GetBindMap(&fg, &bg);
4046         PRVM_G_VECTOR(OFS_RETURN)[0] = fg;
4047         PRVM_G_VECTOR(OFS_RETURN)[1] = bg;
4048         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4049 }
4050
4051 /*
4052 =========
4053 VM_setbindmap
4054
4055 float setbindmaps(vector bindmap)
4056 =========
4057 */
4058 void VM_setbindmaps (void)
4059 {
4060         VM_SAFEPARMCOUNT(1, VM_CL_setbindmap);
4061         PRVM_G_FLOAT(OFS_RETURN) = 0;
4062         if(PRVM_G_VECTOR(OFS_PARM0)[2] == 0)
4063                 if(Key_SetBindMap((int)PRVM_G_VECTOR(OFS_PARM0)[0], (int)PRVM_G_VECTOR(OFS_PARM0)[1]))
4064                         PRVM_G_FLOAT(OFS_RETURN) = 1;
4065 }
4066
4067 // CL_Video interface functions
4068
4069 /*
4070 ========================
4071 VM_cin_open
4072
4073 float cin_open(string file, string name)
4074 ========================
4075 */
4076 void VM_cin_open( void )
4077 {
4078         const char *file;
4079         const char *name;
4080
4081         VM_SAFEPARMCOUNT( 2, VM_cin_open );
4082
4083         file = PRVM_G_STRING( OFS_PARM0 );
4084         name = PRVM_G_STRING( OFS_PARM1 );
4085
4086         VM_CheckEmptyString( file );
4087     VM_CheckEmptyString( name );
4088
4089         if( CL_OpenVideo( file, name, MENUOWNER, "" ) )
4090                 PRVM_G_FLOAT( OFS_RETURN ) = 1;
4091         else
4092                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4093 }
4094
4095 /*
4096 ========================
4097 VM_cin_close
4098
4099 void cin_close(string name)
4100 ========================
4101 */
4102 void VM_cin_close( void )
4103 {
4104         const char *name;
4105
4106         VM_SAFEPARMCOUNT( 1, VM_cin_close );
4107
4108         name = PRVM_G_STRING( OFS_PARM0 );
4109         VM_CheckEmptyString( name );
4110
4111         CL_CloseVideo( CL_GetVideoByName( name ) );
4112 }
4113
4114 /*
4115 ========================
4116 VM_cin_setstate
4117 void cin_setstate(string name, float type)
4118 ========================
4119 */
4120 void VM_cin_setstate( void )
4121 {
4122         const char *name;
4123         clvideostate_t  state;
4124         clvideo_t               *video;
4125
4126         VM_SAFEPARMCOUNT( 2, VM_cin_netstate );
4127
4128         name = PRVM_G_STRING( OFS_PARM0 );
4129         VM_CheckEmptyString( name );
4130
4131         state = (clvideostate_t)((int)PRVM_G_FLOAT( OFS_PARM1 ));
4132
4133         video = CL_GetVideoByName( name );
4134         if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
4135                 CL_SetVideoState( video, state );
4136 }
4137
4138 /*
4139 ========================
4140 VM_cin_getstate
4141
4142 float cin_getstate(string name)
4143 ========================
4144 */
4145 void VM_cin_getstate( void )
4146 {
4147         const char *name;
4148         clvideo_t               *video;
4149
4150         VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
4151
4152         name = PRVM_G_STRING( OFS_PARM0 );
4153         VM_CheckEmptyString( name );
4154
4155         video = CL_GetVideoByName( name );
4156         if( video )
4157                 PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
4158         else
4159                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4160 }
4161
4162 /*
4163 ========================
4164 VM_cin_restart
4165
4166 void cin_restart(string name)
4167 ========================
4168 */
4169 void VM_cin_restart( void )
4170 {
4171         const char *name;
4172         clvideo_t               *video;
4173
4174         VM_SAFEPARMCOUNT( 1, VM_cin_restart );
4175
4176         name = PRVM_G_STRING( OFS_PARM0 );
4177         VM_CheckEmptyString( name );
4178
4179         video = CL_GetVideoByName( name );
4180         if( video )
4181                 CL_RestartVideo( video );
4182 }
4183
4184 /*
4185 ========================
4186 VM_Gecko_Init
4187 ========================
4188 */
4189 void VM_Gecko_Init( void ) {
4190         // the prog struct is memset to 0 by Initprog? [12/6/2007 Black]
4191         // FIXME: remove the other _Init functions then, too? [12/6/2007 Black]
4192 }
4193
4194 /*
4195 ========================
4196 VM_Gecko_Destroy
4197 ========================
4198 */
4199 void VM_Gecko_Destroy( void ) {
4200         int i;
4201         for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
4202                 clgecko_t **instance = &prog->opengeckoinstances[ i ];
4203                 if( *instance ) {
4204                         CL_Gecko_DestroyBrowser( *instance );
4205                 }
4206                 *instance = NULL;
4207         }
4208 }
4209
4210 /*
4211 ========================
4212 VM_gecko_create
4213
4214 float[bool] gecko_create( string name )
4215 ========================
4216 */
4217 void VM_gecko_create( void ) {
4218         const char *name;
4219         int i;
4220         clgecko_t *instance;
4221
4222         VM_SAFEPARMCOUNT( 1, VM_gecko_create );
4223
4224         name = PRVM_G_STRING( OFS_PARM0 );
4225         VM_CheckEmptyString( name );
4226
4227         // find an empty slot for this gecko browser..
4228         for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
4229                 if( prog->opengeckoinstances[ i ] == NULL ) {
4230                         break;
4231                 }
4232         }
4233         if( i == PRVM_MAX_GECKOINSTANCES ) {
4234                         VM_Warning("VM_gecko_create: %s ran out of gecko handles (%i)\n", PRVM_NAME, PRVM_MAX_GECKOINSTANCES);
4235                         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4236                         return;
4237         }
4238
4239         instance = prog->opengeckoinstances[ i ] = CL_Gecko_CreateBrowser( name, PRVM_GetProgNr() );
4240    if( !instance ) {
4241                 // TODO: error handling [12/3/2007 Black]
4242                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4243                 return;
4244         }
4245         PRVM_G_FLOAT( OFS_RETURN ) = 1;
4246 }
4247
4248 /*
4249 ========================
4250 VM_gecko_destroy
4251
4252 void gecko_destroy( string name )
4253 ========================
4254 */
4255 void VM_gecko_destroy( void ) {
4256         const char *name;
4257         clgecko_t *instance;
4258
4259         VM_SAFEPARMCOUNT( 1, VM_gecko_destroy );
4260
4261         name = PRVM_G_STRING( OFS_PARM0 );
4262         VM_CheckEmptyString( name );
4263         instance = CL_Gecko_FindBrowser( name );
4264         if( !instance ) {
4265                 return;
4266         }
4267         CL_Gecko_DestroyBrowser( instance );
4268 }
4269
4270 /*
4271 ========================
4272 VM_gecko_navigate
4273
4274 void gecko_navigate( string name, string URI )
4275 ========================
4276 */
4277 void VM_gecko_navigate( void ) {
4278         const char *name;
4279         const char *URI;
4280         clgecko_t *instance;
4281
4282         VM_SAFEPARMCOUNT( 2, VM_gecko_navigate );
4283
4284         name = PRVM_G_STRING( OFS_PARM0 );
4285         URI = PRVM_G_STRING( OFS_PARM1 );
4286         VM_CheckEmptyString( name );
4287         VM_CheckEmptyString( URI );
4288
4289    instance = CL_Gecko_FindBrowser( name );
4290         if( !instance ) {
4291                 return;
4292         }
4293         CL_Gecko_NavigateToURI( instance, URI );
4294 }
4295
4296 /*
4297 ========================
4298 VM_gecko_keyevent
4299
4300 float[bool] gecko_keyevent( string name, float key, float eventtype )
4301 ========================
4302 */
4303 void VM_gecko_keyevent( void ) {
4304         const char *name;
4305         unsigned int key;
4306         clgecko_buttoneventtype_t eventtype;
4307         clgecko_t *instance;
4308
4309         VM_SAFEPARMCOUNT( 3, VM_gecko_keyevent );
4310
4311         name = PRVM_G_STRING( OFS_PARM0 );
4312         VM_CheckEmptyString( name );
4313         key = (unsigned int) PRVM_G_FLOAT( OFS_PARM1 );
4314         switch( (unsigned int) PRVM_G_FLOAT( OFS_PARM2 ) ) {
4315         case 0:
4316                 eventtype = CLG_BET_DOWN;
4317                 break;
4318         case 1:
4319                 eventtype = CLG_BET_UP;
4320                 break;
4321         case 2:
4322                 eventtype = CLG_BET_PRESS;
4323                 break;
4324         case 3:
4325                 eventtype = CLG_BET_DOUBLECLICK;
4326                 break;
4327         default:
4328                 // TODO: console printf? [12/3/2007 Black]
4329                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4330                 return;
4331         }
4332
4333         instance = CL_Gecko_FindBrowser( name );
4334         if( !instance ) {
4335                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4336                 return;
4337         }
4338
4339         PRVM_G_FLOAT( OFS_RETURN ) = (CL_Gecko_Event_Key( instance, (keynum_t) key, eventtype ) == true);
4340 }
4341
4342 /*
4343 ========================
4344 VM_gecko_movemouse
4345
4346 void gecko_mousemove( string name, float x, float y )
4347 ========================
4348 */
4349 void VM_gecko_movemouse( void ) {
4350         const char *name;
4351         float x, y;
4352         clgecko_t *instance;
4353
4354         VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
4355
4356         name = PRVM_G_STRING( OFS_PARM0 );
4357         VM_CheckEmptyString( name );
4358         x = PRVM_G_FLOAT( OFS_PARM1 );
4359         y = PRVM_G_FLOAT( OFS_PARM2 );
4360
4361         instance = CL_Gecko_FindBrowser( name );
4362         if( !instance ) {
4363                 return;
4364         }
4365         CL_Gecko_Event_CursorMove( instance, x, y );
4366 }
4367
4368
4369 /*
4370 ========================
4371 VM_gecko_resize
4372
4373 void gecko_resize( string name, float w, float h )
4374 ========================
4375 */
4376 void VM_gecko_resize( void ) {
4377         const char *name;
4378         float w, h;
4379         clgecko_t *instance;
4380
4381         VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
4382
4383         name = PRVM_G_STRING( OFS_PARM0 );
4384         VM_CheckEmptyString( name );
4385         w = PRVM_G_FLOAT( OFS_PARM1 );
4386         h = PRVM_G_FLOAT( OFS_PARM2 );
4387
4388         instance = CL_Gecko_FindBrowser( name );
4389         if( !instance ) {
4390                 return;
4391         }
4392         CL_Gecko_Resize( instance, (int) w, (int) h );
4393 }
4394
4395
4396 /*
4397 ========================
4398 VM_gecko_get_texture_extent
4399
4400 vector gecko_get_texture_extent( string name )
4401 ========================
4402 */
4403 void VM_gecko_get_texture_extent( void ) {
4404         const char *name;
4405         clgecko_t *instance;
4406
4407         VM_SAFEPARMCOUNT( 1, VM_gecko_movemouse );
4408
4409         name = PRVM_G_STRING( OFS_PARM0 );
4410         VM_CheckEmptyString( name );
4411
4412         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4413         instance = CL_Gecko_FindBrowser( name );
4414         if( !instance ) {
4415                 PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
4416                 PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
4417                 return;
4418         }
4419         CL_Gecko_GetTextureExtent( instance,
4420                 PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_RETURN)+1 );
4421 }
4422
4423
4424
4425 /*
4426 ==============
4427 VM_makevectors
4428
4429 Writes new values for v_forward, v_up, and v_right based on angles
4430 void makevectors(vector angle)
4431 ==============
4432 */
4433 void VM_makevectors (void)
4434 {
4435         prvm_eval_t *valforward, *valright, *valup;
4436         valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
4437         valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
4438         valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
4439         if (!valforward || !valright || !valup)
4440         {
4441                 VM_Warning("makevectors: could not find v_forward, v_right, or v_up global variables\n");
4442                 return;
4443         }
4444         VM_SAFEPARMCOUNT(1, VM_makevectors);
4445         AngleVectors (PRVM_G_VECTOR(OFS_PARM0), valforward->vector, valright->vector, valup->vector);
4446 }
4447
4448 /*
4449 ==============
4450 VM_vectorvectors
4451
4452 Writes new values for v_forward, v_up, and v_right based on the given forward vector
4453 vectorvectors(vector)
4454 ==============
4455 */
4456 void VM_vectorvectors (void)
4457 {
4458         prvm_eval_t *valforward, *valright, *valup;
4459         valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
4460         valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
4461         valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
4462         if (!valforward || !valright || !valup)
4463         {
4464                 VM_Warning("vectorvectors: could not find v_forward, v_right, or v_up global variables\n");
4465                 return;
4466         }
4467         VM_SAFEPARMCOUNT(1, VM_vectorvectors);
4468         VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), valforward->vector);
4469         VectorVectors(valforward->vector, valright->vector, valup->vector);
4470 }
4471
4472 /*
4473 ========================
4474 VM_drawline
4475
4476 void drawline(float width, vector pos1, vector pos2, vector rgb, float alpha, float flags)
4477 ========================
4478 */
4479 void VM_drawline (void)
4480 {
4481         float   *c1, *c2, *rgb;
4482         float   alpha, width;
4483         unsigned char   flags;
4484
4485         VM_SAFEPARMCOUNT(6, VM_drawline);
4486         width   = PRVM_G_FLOAT(OFS_PARM0);
4487         c1              = PRVM_G_VECTOR(OFS_PARM1);
4488         c2              = PRVM_G_VECTOR(OFS_PARM2);
4489         rgb             = PRVM_G_VECTOR(OFS_PARM3);
4490         alpha   = PRVM_G_FLOAT(OFS_PARM4);
4491         flags   = (int)PRVM_G_FLOAT(OFS_PARM5);
4492         DrawQ_Line(width, c1[0], c1[1], c2[0], c2[1], rgb[0], rgb[1], rgb[2], alpha, flags);
4493 }
4494
4495 // float(float number, float quantity) bitshift (EXT_BITSHIFT)
4496 void VM_bitshift (void)
4497 {
4498         int n1, n2;
4499         VM_SAFEPARMCOUNT(2, VM_bitshift);
4500
4501         n1 = (int)fabs((float)((int)PRVM_G_FLOAT(OFS_PARM0)));
4502         n2 = (int)PRVM_G_FLOAT(OFS_PARM1);
4503         if(!n1)
4504                 PRVM_G_FLOAT(OFS_RETURN) = n1;
4505         else
4506         if(n2 < 0)
4507                 PRVM_G_FLOAT(OFS_RETURN) = (n1 >> -n2);
4508         else
4509                 PRVM_G_FLOAT(OFS_RETURN) = (n1 << n2);
4510 }
4511
4512 ////////////////////////////////////////
4513 // AltString functions
4514 ////////////////////////////////////////
4515
4516 /*
4517 ========================
4518 VM_altstr_count
4519
4520 float altstr_count(string)
4521 ========================
4522 */
4523 void VM_altstr_count( void )
4524 {
4525         const char *altstr, *pos;
4526         int     count;
4527
4528         VM_SAFEPARMCOUNT( 1, VM_altstr_count );
4529
4530         altstr = PRVM_G_STRING( OFS_PARM0 );
4531         //VM_CheckEmptyString( altstr );
4532
4533         for( count = 0, pos = altstr ; *pos ; pos++ ) {
4534                 if( *pos == '\\' ) {
4535                         if( !*++pos ) {
4536                                 break;
4537                         }
4538                 } else if( *pos == '\'' ) {
4539                         count++;
4540                 }
4541         }
4542
4543         PRVM_G_FLOAT( OFS_RETURN ) = (float) (count / 2);
4544 }
4545
4546 /*
4547 ========================
4548 VM_altstr_prepare
4549
4550 string altstr_prepare(string)
4551 ========================
4552 */
4553 void VM_altstr_prepare( void )
4554 {
4555         char *out;
4556         const char *instr, *in;
4557         int size;
4558         char outstr[VM_STRINGTEMP_LENGTH];
4559
4560         VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
4561
4562         instr = PRVM_G_STRING( OFS_PARM0 );
4563
4564         for( out = outstr, in = instr, size = sizeof(outstr) - 1 ; size && *in ; size--, in++, out++ )
4565                 if( *in == '\'' ) {
4566                         *out++ = '\\';
4567                         *out = '\'';
4568                         size--;
4569                 } else
4570                         *out = *in;
4571         *out = 0;
4572
4573         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4574 }
4575
4576 /*
4577 ========================
4578 VM_altstr_get
4579
4580 string altstr_get(string, float)
4581 ========================
4582 */
4583 void VM_altstr_get( void )
4584 {
4585         const char *altstr, *pos;
4586         char *out;
4587         int count, size;
4588         char outstr[VM_STRINGTEMP_LENGTH];
4589
4590         VM_SAFEPARMCOUNT( 2, VM_altstr_get );
4591
4592         altstr = PRVM_G_STRING( OFS_PARM0 );
4593
4594         count = (int)PRVM_G_FLOAT( OFS_PARM1 );
4595         count = count * 2 + 1;
4596
4597         for( pos = altstr ; *pos && count ; pos++ )
4598                 if( *pos == '\\' ) {
4599                         if( !*++pos )
4600                                 break;
4601                 } else if( *pos == '\'' )
4602                         count--;
4603
4604         if( !*pos ) {
4605                 PRVM_G_INT( OFS_RETURN ) = 0;
4606                 return;
4607         }
4608
4609         for( out = outstr, size = sizeof(outstr) - 1 ; size && *pos ; size--, pos++, out++ )
4610                 if( *pos == '\\' ) {
4611                         if( !*++pos )
4612                                 break;
4613                         *out = *pos;
4614                         size--;
4615                 } else if( *pos == '\'' )
4616                         break;
4617                 else
4618                         *out = *pos;
4619
4620         *out = 0;
4621         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4622 }
4623
4624 /*
4625 ========================
4626 VM_altstr_set
4627
4628 string altstr_set(string altstr, float num, string set)
4629 ========================
4630 */
4631 void VM_altstr_set( void )
4632 {
4633     int num;
4634         const char *altstr, *str;
4635         const char *in;
4636         char *out;
4637         char outstr[VM_STRINGTEMP_LENGTH];
4638
4639         VM_SAFEPARMCOUNT( 3, VM_altstr_set );
4640
4641         altstr = PRVM_G_STRING( OFS_PARM0 );
4642
4643         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4644
4645         str = PRVM_G_STRING( OFS_PARM2 );
4646
4647         out = outstr;
4648         for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
4649                 if( *in == '\\' ) {
4650                         if( !*++in ) {
4651                                 break;
4652                         }
4653                 } else if( *in == '\'' ) {
4654                         num--;
4655                 }
4656
4657         // copy set in
4658         for( ; *str; *out++ = *str++ );
4659         // now jump over the old content
4660         for( ; *in ; in++ )
4661                 if( *in == '\'' || (*in == '\\' && !*++in) )
4662                         break;
4663
4664         strlcpy(out, in, outstr + sizeof(outstr) - out);
4665         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4666 }
4667
4668 /*
4669 ========================
4670 VM_altstr_ins
4671 insert after num
4672 string  altstr_ins(string altstr, float num, string set)
4673 ========================
4674 */
4675 void VM_altstr_ins(void)
4676 {
4677         int num;
4678         const char *set;
4679         const char *in;
4680         char *out;
4681         char outstr[VM_STRINGTEMP_LENGTH];
4682
4683         VM_SAFEPARMCOUNT(3, VM_altstr_ins);
4684
4685         in = PRVM_G_STRING( OFS_PARM0 );
4686         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4687         set = PRVM_G_STRING( OFS_PARM2 );
4688
4689         out = outstr;
4690         for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
4691                 if( *in == '\\' ) {
4692                         if( !*++in ) {
4693                                 break;
4694                         }
4695                 } else if( *in == '\'' ) {
4696                         num--;
4697                 }
4698
4699         *out++ = '\'';
4700         for( ; *set ; *out++ = *set++ );
4701         *out++ = '\'';
4702
4703         strlcpy(out, in, outstr + sizeof(outstr) - out);
4704         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4705 }
4706
4707
4708 ////////////////////////////////////////
4709 // BufString functions
4710 ////////////////////////////////////////
4711 //[515]: string buffers support
4712
4713 static size_t stringbuffers_sortlength;
4714
4715 static void BufStr_Expand(prvm_stringbuffer_t *stringbuffer, int strindex)
4716 {
4717         if (stringbuffer->max_strings <= strindex)
4718         {
4719                 char **oldstrings = stringbuffer->strings;
4720                 stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
4721                 while (stringbuffer->max_strings <= strindex)
4722                         stringbuffer->max_strings *= 2;
4723                 stringbuffer->strings = (char **) Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
4724                 if (stringbuffer->num_strings > 0)
4725                         memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
4726                 if (oldstrings)
4727                         Mem_Free(oldstrings);
4728         }
4729 }
4730
4731 static void BufStr_Shrink(prvm_stringbuffer_t *stringbuffer)
4732 {
4733         // reduce num_strings if there are empty string slots at the end
4734         while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
4735                 stringbuffer->num_strings--;
4736
4737         // if empty, free the string pointer array
4738         if (stringbuffer->num_strings == 0)
4739         {
4740                 stringbuffer->max_strings = 0;
4741                 if (stringbuffer->strings)
4742                         Mem_Free(stringbuffer->strings);
4743                 stringbuffer->strings = NULL;
4744         }
4745 }
4746
4747 static int BufStr_SortStringsUP (const void *in1, const void *in2)
4748 {
4749         const char *a, *b;
4750         a = *((const char **) in1);
4751         b = *((const char **) in2);
4752         if(!a || !a[0]) return 1;
4753         if(!b || !b[0]) return -1;
4754         return strncmp(a, b, stringbuffers_sortlength);
4755 }
4756
4757 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
4758 {
4759         const char *a, *b;
4760         a = *((const char **) in1);
4761         b = *((const char **) in2);
4762         if(!a || !a[0]) return 1;
4763         if(!b || !b[0]) return -1;
4764         return strncmp(b, a, stringbuffers_sortlength);
4765 }
4766
4767 /*
4768 ========================
4769 VM_buf_create
4770 creates new buffer, and returns it's index, returns -1 if failed
4771 float buf_create(void) = #460;
4772 float newbuf(string format, float flags) = #460;
4773 ========================
4774 */
4775
4776 void VM_buf_create (void)
4777 {
4778         prvm_stringbuffer_t *stringbuffer;
4779         int i;
4780
4781         VM_SAFEPARMCOUNTRANGE(0, 2, VM_buf_create);
4782
4783         // VorteX: optional parm1 (buffer format) is unfinished, to keep intact with future databuffers extension must be set to "string"
4784         if(prog->argc >= 1 && strcmp(PRVM_G_STRING(OFS_PARM0), "string"))
4785         {
4786                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4787                 return;
4788         }
4789         stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4790         for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4791         stringbuffer->origin = PRVM_AllocationOrigin();
4792         // optional flags parm
4793         if (prog->argc >= 2)
4794                 stringbuffer->flags = (int)PRVM_G_FLOAT(OFS_PARM1) & 0xFF;
4795         PRVM_G_FLOAT(OFS_RETURN) = i;
4796 }
4797
4798
4799
4800 /*
4801 ========================
4802 VM_buf_del
4803 deletes buffer and all strings in it
4804 void buf_del(float bufhandle) = #461;
4805 ========================
4806 */
4807 void VM_buf_del (void)
4808 {
4809         prvm_stringbuffer_t *stringbuffer;
4810         VM_SAFEPARMCOUNT(1, VM_buf_del);
4811         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4812         if (stringbuffer)
4813         {
4814                 int i;
4815                 for (i = 0;i < stringbuffer->num_strings;i++)
4816                         if (stringbuffer->strings[i])
4817                                 Mem_Free(stringbuffer->strings[i]);
4818                 if (stringbuffer->strings)
4819                         Mem_Free(stringbuffer->strings);
4820                 if(stringbuffer->origin)
4821                         PRVM_Free((char *)stringbuffer->origin);
4822                 Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
4823         }
4824         else
4825         {
4826                 VM_Warning("VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4827                 return;
4828         }
4829 }
4830
4831 /*
4832 ========================
4833 VM_buf_getsize
4834 how many strings are stored in buffer
4835 float buf_getsize(float bufhandle) = #462;
4836 ========================
4837 */
4838 void VM_buf_getsize (void)
4839 {
4840         prvm_stringbuffer_t *stringbuffer;
4841         VM_SAFEPARMCOUNT(1, VM_buf_getsize);
4842
4843         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4844         if(!stringbuffer)
4845         {
4846                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4847                 VM_Warning("VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4848                 return;
4849         }
4850         else
4851                 PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
4852 }
4853
4854 /*
4855 ========================
4856 VM_buf_copy
4857 copy all content from one buffer to another, make sure it exists
4858 void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
4859 ========================
4860 */
4861 void VM_buf_copy (void)
4862 {
4863         prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
4864         int i;
4865         VM_SAFEPARMCOUNT(2, VM_buf_copy);
4866
4867         srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4868         if(!srcstringbuffer)
4869         {
4870                 VM_Warning("VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4871                 return;
4872         }
4873         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4874         if(i == (int)PRVM_G_FLOAT(OFS_PARM0))
4875         {
4876                 VM_Warning("VM_buf_copy: source == destination (%i) in %s\n", i, PRVM_NAME);
4877                 return;
4878         }
4879         dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4880         if(!dststringbuffer)
4881         {
4882                 VM_Warning("VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
4883                 return;
4884         }
4885
4886         for (i = 0;i < dststringbuffer->num_strings;i++)
4887                 if (dststringbuffer->strings[i])
4888                         Mem_Free(dststringbuffer->strings[i]);
4889         if (dststringbuffer->strings)
4890                 Mem_Free(dststringbuffer->strings);
4891         *dststringbuffer = *srcstringbuffer;
4892         if (dststringbuffer->max_strings)
4893                 dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
4894
4895         for (i = 0;i < dststringbuffer->num_strings;i++)
4896         {
4897                 if (srcstringbuffer->strings[i])
4898                 {
4899                         size_t stringlen;
4900                         stringlen = strlen(srcstringbuffer->strings[i]) + 1;
4901                         dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
4902                         memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
4903                 }
4904         }
4905 }
4906
4907 /*
4908 ========================
4909 VM_buf_sort
4910 sort buffer by beginnings of strings (cmplength defaults it's length)
4911 "backward == TRUE" means that sorting goes upside-down
4912 void buf_sort(float bufhandle, float cmplength, float backward) = #464;
4913 ========================
4914 */
4915 void VM_buf_sort (void)
4916 {
4917         prvm_stringbuffer_t *stringbuffer;
4918         VM_SAFEPARMCOUNT(3, VM_buf_sort);
4919
4920         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4921         if(!stringbuffer)
4922         {
4923                 VM_Warning("VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4924                 return;
4925         }
4926         if(stringbuffer->num_strings <= 0)
4927         {
4928                 VM_Warning("VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4929                 return;
4930         }
4931         stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
4932         if(stringbuffers_sortlength <= 0)
4933                 stringbuffers_sortlength = 0x7FFFFFFF;
4934
4935         if(!PRVM_G_FLOAT(OFS_PARM2))
4936                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
4937         else
4938                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
4939
4940         BufStr_Shrink(stringbuffer);
4941 }
4942
4943 /*
4944 ========================
4945 VM_buf_implode
4946 concantenates all buffer string into one with "glue" separator and returns it as tempstring
4947 string buf_implode(float bufhandle, string glue) = #465;
4948 ========================
4949 */
4950 void VM_buf_implode (void)
4951 {
4952         prvm_stringbuffer_t *stringbuffer;
4953         char                    k[VM_STRINGTEMP_LENGTH];
4954         const char              *sep;
4955         int                             i;
4956         size_t                  l;
4957         VM_SAFEPARMCOUNT(2, VM_buf_implode);
4958
4959         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4960         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4961         if(!stringbuffer)
4962         {
4963                 VM_Warning("VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4964                 return;
4965         }
4966         if(!stringbuffer->num_strings)
4967                 return;
4968         sep = PRVM_G_STRING(OFS_PARM1);
4969         k[0] = 0;
4970         for(l = i = 0;i < stringbuffer->num_strings;i++)
4971         {
4972                 if(stringbuffer->strings[i])
4973                 {
4974                         l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
4975                         if (l >= sizeof(k) - 1)
4976                                 break;
4977                         strlcat(k, sep, sizeof(k));
4978                         strlcat(k, stringbuffer->strings[i], sizeof(k));
4979                 }
4980         }
4981         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(k);
4982 }
4983
4984 /*
4985 ========================
4986 VM_bufstr_get
4987 get a string from buffer, returns tempstring, dont str_unzone it!
4988 string bufstr_get(float bufhandle, float string_index) = #465;
4989 ========================
4990 */
4991 void VM_bufstr_get (void)
4992 {
4993         prvm_stringbuffer_t *stringbuffer;
4994         int                             strindex;
4995         VM_SAFEPARMCOUNT(2, VM_bufstr_get);
4996
4997         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4998         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4999         if(!stringbuffer)
5000         {
5001                 VM_Warning("VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5002                 return;
5003         }
5004         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
5005         if (strindex < 0)
5006         {
5007                 // VM_Warning("VM_bufstr_get: invalid string index %i used in %s\n", strindex, PRVM_NAME);
5008                 return;
5009         }
5010         if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
5011                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(stringbuffer->strings[strindex]);
5012 }
5013
5014 /*
5015 ========================
5016 VM_bufstr_set
5017 copies a string into selected slot of buffer
5018 void bufstr_set(float bufhandle, float string_index, string str) = #466;
5019 ========================
5020 */
5021 void VM_bufstr_set (void)
5022 {
5023         size_t alloclen;
5024         int                             strindex;
5025         prvm_stringbuffer_t *stringbuffer;
5026         const char              *news;
5027
5028         VM_SAFEPARMCOUNT(3, VM_bufstr_set);
5029
5030         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5031         if(!stringbuffer)
5032         {
5033                 VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5034                 return;
5035         }
5036         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
5037         if(strindex < 0 || strindex >= 1000000) // huge number of strings
5038         {
5039                 VM_Warning("VM_bufstr_set: invalid string index %i used in %s\n", strindex, PRVM_NAME);
5040                 return;
5041         }
5042
5043         BufStr_Expand(stringbuffer, strindex);
5044         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5045
5046         if(stringbuffer->strings[strindex])
5047                 Mem_Free(stringbuffer->strings[strindex]);
5048         stringbuffer->strings[strindex] = NULL;
5049
5050         if(PRVM_G_INT(OFS_PARM2))
5051         {
5052                 // not the NULL string!
5053                 news = PRVM_G_STRING(OFS_PARM2);
5054                 alloclen = strlen(news) + 1;
5055                 stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5056                 memcpy(stringbuffer->strings[strindex], news, alloclen);
5057         }
5058
5059         BufStr_Shrink(stringbuffer);
5060 }
5061
5062 /*
5063 ========================
5064 VM_bufstr_add
5065 adds string to buffer in first free slot and returns its index
5066 "order == TRUE" means that string will be added after last "full" slot
5067 float bufstr_add(float bufhandle, string str, float order) = #467;
5068 ========================
5069 */
5070 void VM_bufstr_add (void)
5071 {
5072         int                             order, strindex;
5073         prvm_stringbuffer_t *stringbuffer;
5074         const char              *string;
5075         size_t                  alloclen;
5076
5077         VM_SAFEPARMCOUNT(3, VM_bufstr_add);
5078
5079         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5080         PRVM_G_FLOAT(OFS_RETURN) = -1;
5081         if(!stringbuffer)
5082         {
5083                 VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5084                 return;
5085         }
5086         if(!PRVM_G_INT(OFS_PARM1)) // NULL string
5087         {
5088                 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);
5089                 return;
5090         }
5091         string = PRVM_G_STRING(OFS_PARM1);
5092         order = (int)PRVM_G_FLOAT(OFS_PARM2);
5093         if(order)
5094                 strindex = stringbuffer->num_strings;
5095         else
5096                 for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
5097                         if (stringbuffer->strings[strindex] == NULL)
5098                                 break;
5099
5100         BufStr_Expand(stringbuffer, strindex);
5101
5102         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5103         alloclen = strlen(string) + 1;
5104         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5105         memcpy(stringbuffer->strings[strindex], string, alloclen);
5106
5107         PRVM_G_FLOAT(OFS_RETURN) = strindex;
5108 }
5109
5110 /*
5111 ========================
5112 VM_bufstr_free
5113 delete string from buffer
5114 void bufstr_free(float bufhandle, float string_index) = #468;
5115 ========================
5116 */
5117 void VM_bufstr_free (void)
5118 {
5119         int                             i;
5120         prvm_stringbuffer_t     *stringbuffer;
5121         VM_SAFEPARMCOUNT(2, VM_bufstr_free);
5122
5123         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5124         if(!stringbuffer)
5125         {
5126                 VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5127                 return;
5128         }
5129         i = (int)PRVM_G_FLOAT(OFS_PARM1);
5130         if(i < 0)
5131         {
5132                 VM_Warning("VM_bufstr_free: invalid string index %i used in %s\n", i, PRVM_NAME);
5133                 return;
5134         }
5135
5136         if (i < stringbuffer->num_strings)
5137         {
5138                 if(stringbuffer->strings[i])
5139                         Mem_Free(stringbuffer->strings[i]);
5140                 stringbuffer->strings[i] = NULL;
5141         }
5142
5143         BufStr_Shrink(stringbuffer);
5144 }
5145
5146
5147
5148
5149
5150
5151
5152 void VM_buf_cvarlist(void)
5153 {
5154         cvar_t *cvar;
5155         const char *partial, *antipartial;
5156         size_t len, antilen;
5157         size_t alloclen;
5158         qboolean ispattern, antiispattern;
5159         int n;
5160         prvm_stringbuffer_t     *stringbuffer;
5161         VM_SAFEPARMCOUNTRANGE(2, 3, VM_buf_cvarlist);
5162
5163         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5164         if(!stringbuffer)
5165         {
5166                 VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5167                 return;
5168         }
5169
5170         partial = PRVM_G_STRING(OFS_PARM1);
5171         if(!partial)
5172                 len = 0;
5173         else
5174                 len = strlen(partial);
5175
5176         if(prog->argc == 3)
5177                 antipartial = PRVM_G_STRING(OFS_PARM2);
5178         else
5179                 antipartial = NULL;
5180         if(!antipartial)
5181                 antilen = 0;
5182         else
5183                 antilen = strlen(antipartial);
5184
5185         for (n = 0;n < stringbuffer->num_strings;n++)
5186                 if (stringbuffer->strings[n])
5187                         Mem_Free(stringbuffer->strings[n]);
5188         if (stringbuffer->strings)
5189                 Mem_Free(stringbuffer->strings);
5190         stringbuffer->strings = NULL;
5191
5192         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
5193         antiispattern = antipartial && (strchr(antipartial, '*') || strchr(antipartial, '?'));
5194
5195         n = 0;
5196         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5197         {
5198                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5199                         continue;
5200
5201                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5202                         continue;
5203
5204                 ++n;
5205         }
5206
5207         stringbuffer->max_strings = stringbuffer->num_strings = n;
5208         if (stringbuffer->max_strings)
5209                 stringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(stringbuffer->strings[0]) * stringbuffer->max_strings);
5210
5211         n = 0;
5212         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5213         {
5214                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5215                         continue;
5216
5217                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5218                         continue;
5219
5220                 alloclen = strlen(cvar->name) + 1;
5221                 stringbuffer->strings[n] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5222                 memcpy(stringbuffer->strings[n], cvar->name, alloclen);
5223
5224                 ++n;
5225         }
5226 }
5227
5228
5229
5230
5231 //=============
5232
5233 /*
5234 ==============
5235 VM_changeyaw
5236
5237 This was a major timewaster in progs, so it was converted to C
5238 ==============
5239 */
5240 void VM_changeyaw (void)
5241 {
5242         prvm_edict_t            *ent;
5243         float           ideal, current, move, speed;
5244
5245         // this is called (VERY HACKISHLY) by SV_MoveToGoal, so it can not use any
5246         // parameters because they are the parameters to SV_MoveToGoal, not this
5247         //VM_SAFEPARMCOUNT(0, VM_changeyaw);
5248
5249         ent = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
5250         if (ent == prog->edicts)
5251         {
5252                 VM_Warning("changeyaw: can not modify world entity\n");
5253                 return;
5254         }
5255         if (ent->priv.server->free)
5256         {
5257                 VM_Warning("changeyaw: can not modify free entity\n");
5258                 return;
5259         }
5260         if (prog->fieldoffsets.angles < 0 || prog->fieldoffsets.ideal_yaw < 0 || prog->fieldoffsets.yaw_speed < 0)
5261         {
5262                 VM_Warning("changeyaw: angles, ideal_yaw, or yaw_speed field(s) not found\n");
5263                 return;
5264         }
5265         current = ANGLEMOD(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[1]);
5266         ideal = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.ideal_yaw)->_float;
5267         speed = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.yaw_speed)->_float;
5268
5269         if (current == ideal)
5270                 return;
5271         move = ideal - current;
5272         if (ideal > current)
5273         {
5274                 if (move >= 180)
5275                         move = move - 360;
5276         }
5277         else
5278         {
5279                 if (move <= -180)
5280                         move = move + 360;
5281         }
5282         if (move > 0)
5283         {
5284                 if (move > speed)
5285                         move = speed;
5286         }
5287         else
5288         {
5289                 if (move < -speed)
5290                         move = -speed;
5291         }
5292
5293         PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[1] = ANGLEMOD (current + move);
5294 }
5295
5296 /*
5297 ==============
5298 VM_changepitch
5299 ==============
5300 */
5301 void VM_changepitch (void)
5302 {
5303         prvm_edict_t            *ent;
5304         float           ideal, current, move, speed;
5305
5306         VM_SAFEPARMCOUNT(1, VM_changepitch);
5307
5308         ent = PRVM_G_EDICT(OFS_PARM0);
5309         if (ent == prog->edicts)
5310         {
5311                 VM_Warning("changepitch: can not modify world entity\n");
5312                 return;
5313         }
5314         if (ent->priv.server->free)
5315         {
5316                 VM_Warning("changepitch: can not modify free entity\n");
5317                 return;
5318         }
5319         if (prog->fieldoffsets.angles < 0 || prog->fieldoffsets.idealpitch < 0 || prog->fieldoffsets.pitch_speed < 0)
5320         {
5321                 VM_Warning("changepitch: angles, idealpitch, or pitch_speed field(s) not found\n");
5322                 return;
5323         }
5324         current = ANGLEMOD(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0]);
5325         ideal = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.idealpitch)->_float;
5326         speed = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pitch_speed)->_float;
5327
5328         if (current == ideal)
5329                 return;
5330         move = ideal - current;
5331         if (ideal > current)
5332         {
5333                 if (move >= 180)
5334                         move = move - 360;
5335         }
5336         else
5337         {
5338                 if (move <= -180)
5339                         move = move + 360;
5340         }
5341         if (move > 0)
5342         {
5343                 if (move > speed)
5344                         move = speed;
5345         }
5346         else
5347         {
5348                 if (move < -speed)
5349                         move = -speed;
5350         }
5351
5352         PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0] = ANGLEMOD (current + move);
5353 }
5354
5355
5356 void VM_uncolorstring (void)
5357 {
5358         char szNewString[VM_STRINGTEMP_LENGTH];
5359         const char *szString;
5360
5361         // Prepare Strings
5362         VM_SAFEPARMCOUNT(1, VM_uncolorstring);
5363         szString = PRVM_G_STRING(OFS_PARM0);
5364         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
5365         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
5366
5367 }
5368
5369 // #221 float(string str, string sub[, float startpos]) strstrofs (FTE_STRINGS)
5370 //strstr, without generating a new string. Use in conjunction with FRIK_FILE's substring for more similar strstr.
5371 void VM_strstrofs (void)
5372 {
5373         const char *instr, *match;
5374         int firstofs;
5375         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strstrofs);
5376         instr = PRVM_G_STRING(OFS_PARM0);
5377         match = PRVM_G_STRING(OFS_PARM1);
5378         firstofs = (prog->argc > 2)?(int)PRVM_G_FLOAT(OFS_PARM2):0;
5379         firstofs = u8_bytelen(instr, firstofs);
5380
5381         if (firstofs && (firstofs < 0 || firstofs > (int)strlen(instr)))
5382         {
5383                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5384                 return;
5385         }
5386
5387         match = strstr(instr+firstofs, match);
5388         if (!match)
5389                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5390         else
5391                 PRVM_G_FLOAT(OFS_RETURN) = u8_strnlen(instr, match-instr);
5392 }
5393
5394 //#222 string(string s, float index) str2chr (FTE_STRINGS)
5395 void VM_str2chr (void)
5396 {
5397         const char *s;
5398         Uchar ch;
5399         int index;
5400         VM_SAFEPARMCOUNT(2, VM_str2chr);
5401         s = PRVM_G_STRING(OFS_PARM0);
5402         index = u8_bytelen(s, (int)PRVM_G_FLOAT(OFS_PARM1));
5403
5404         if((unsigned)index < strlen(s))
5405         {
5406                 if (utf8_enable.integer)
5407                         ch = u8_getchar_noendptr(s + index);
5408                 else
5409                         ch = (unsigned char)s[index];
5410                 PRVM_G_FLOAT(OFS_RETURN) = ch;
5411         }
5412         else
5413                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5414 }
5415
5416 //#223 string(float c, ...) chr2str (FTE_STRINGS)
5417 void VM_chr2str (void)
5418 {
5419         /*
5420         char    t[9];
5421         int             i;
5422         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5423         for(i = 0;i < prog->argc && i < (int)sizeof(t) - 1;i++)
5424                 t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
5425         t[i] = 0;
5426         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
5427         */
5428         char t[9 * 4 + 1];
5429         int i;
5430         size_t len = 0;
5431         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5432         for(i = 0; i < prog->argc && len < sizeof(t)-1; ++i)
5433                 len += u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0+i*3), t + len, sizeof(t)-1);
5434         t[len] = 0;
5435         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
5436 }
5437
5438 static int chrconv_number(int i, int base, int conv)
5439 {
5440         i -= base;
5441         switch (conv)
5442         {
5443         default:
5444         case 5:
5445         case 6:
5446         case 0:
5447                 break;
5448         case 1:
5449                 base = '0';
5450                 break;
5451         case 2:
5452                 base = '0'+128;
5453                 break;
5454         case 3:
5455                 base = '0'-30;
5456                 break;
5457         case 4:
5458                 base = '0'+128-30;
5459                 break;
5460         }
5461         return i + base;
5462 }
5463 static int chrconv_punct(int i, int base, int conv)
5464 {
5465         i -= base;
5466         switch (conv)
5467         {
5468         default:
5469         case 0:
5470                 break;
5471         case 1:
5472                 base = 0;
5473                 break;
5474         case 2:
5475                 base = 128;
5476                 break;
5477         }
5478         return i + base;
5479 }
5480
5481 static int chrchar_alpha(int i, int basec, int baset, int convc, int convt, int charnum)
5482 {
5483         //convert case and colour seperatly...
5484
5485         i -= baset + basec;
5486         switch (convt)
5487         {
5488         default:
5489         case 0:
5490                 break;
5491         case 1:
5492                 baset = 0;
5493                 break;
5494         case 2:
5495                 baset = 128;
5496                 break;
5497
5498         case 5:
5499         case 6:
5500                 baset = 128*((charnum&1) == (convt-5));
5501                 break;
5502         }
5503
5504         switch (convc)
5505         {
5506         default:
5507         case 0:
5508                 break;
5509         case 1:
5510                 basec = 'a';
5511                 break;
5512         case 2:
5513                 basec = 'A';
5514                 break;
5515         }
5516         return i + basec + baset;
5517 }
5518 // #224 string(float ccase, float calpha, float cnum, string s, ...) strconv (FTE_STRINGS)
5519 //bulk convert a string. change case or colouring.
5520 void VM_strconv (void)
5521 {
5522         int ccase, redalpha, rednum, len, i;
5523         unsigned char resbuf[VM_STRINGTEMP_LENGTH];
5524         unsigned char *result = resbuf;
5525
5526         VM_SAFEPARMCOUNTRANGE(3, 8, VM_strconv);
5527
5528         ccase = (int) PRVM_G_FLOAT(OFS_PARM0);  //0 same, 1 lower, 2 upper
5529         redalpha = (int) PRVM_G_FLOAT(OFS_PARM1);       //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
5530         rednum = (int) PRVM_G_FLOAT(OFS_PARM2); //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
5531         VM_VarString(3, (char *) resbuf, sizeof(resbuf));
5532         len = strlen((char *) resbuf);
5533
5534         for (i = 0; i < len; i++, result++)     //should this be done backwards?
5535         {
5536                 if (*result >= '0' && *result <= '9')   //normal numbers...
5537                         *result = chrconv_number(*result, '0', rednum);
5538                 else if (*result >= '0'+128 && *result <= '9'+128)
5539                         *result = chrconv_number(*result, '0'+128, rednum);
5540                 else if (*result >= '0'+128-30 && *result <= '9'+128-30)
5541                         *result = chrconv_number(*result, '0'+128-30, rednum);
5542                 else if (*result >= '0'-30 && *result <= '9'-30)
5543                         *result = chrconv_number(*result, '0'-30, rednum);
5544
5545                 else if (*result >= 'a' && *result <= 'z')      //normal numbers...
5546                         *result = chrchar_alpha(*result, 'a', 0, ccase, redalpha, i);
5547                 else if (*result >= 'A' && *result <= 'Z')      //normal numbers...
5548                         *result = chrchar_alpha(*result, 'A', 0, ccase, redalpha, i);
5549                 else if (*result >= 'a'+128 && *result <= 'z'+128)      //normal numbers...
5550                         *result = chrchar_alpha(*result, 'a', 128, ccase, redalpha, i);
5551                 else if (*result >= 'A'+128 && *result <= 'Z'+128)      //normal numbers...
5552                         *result = chrchar_alpha(*result, 'A', 128, ccase, redalpha, i);
5553
5554                 else if ((*result & 127) < 16 || !redalpha)     //special chars..
5555                         *result = *result;
5556                 else if (*result < 128)
5557                         *result = chrconv_punct(*result, 0, redalpha);
5558                 else
5559                         *result = chrconv_punct(*result, 128, redalpha);
5560         }
5561         *result = '\0';
5562
5563         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString((char *) resbuf);
5564 }
5565
5566 // #225 string(float chars, string s, ...) strpad (FTE_STRINGS)
5567 void VM_strpad (void)
5568 {
5569         char src[VM_STRINGTEMP_LENGTH];
5570         char destbuf[VM_STRINGTEMP_LENGTH];
5571         int pad;
5572         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strpad);
5573         pad = (int) PRVM_G_FLOAT(OFS_PARM0);
5574         VM_VarString(1, src, sizeof(src));
5575
5576         // note: < 0 = left padding, > 0 = right padding,
5577         // this is reverse logic of printf!
5578         dpsnprintf(destbuf, sizeof(destbuf), "%*s", -pad, src);
5579
5580         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(destbuf);
5581 }
5582
5583 // #226 string(string info, string key, string value, ...) infoadd (FTE_STRINGS)
5584 //uses qw style \key\value strings
5585 void VM_infoadd (void)
5586 {
5587         const char *info, *key;
5588         char value[VM_STRINGTEMP_LENGTH];
5589         char temp[VM_STRINGTEMP_LENGTH];
5590
5591         VM_SAFEPARMCOUNTRANGE(2, 8, VM_infoadd);
5592         info = PRVM_G_STRING(OFS_PARM0);
5593         key = PRVM_G_STRING(OFS_PARM1);
5594         VM_VarString(2, value, sizeof(value));
5595
5596         strlcpy(temp, info, VM_STRINGTEMP_LENGTH);
5597
5598         InfoString_SetValue(temp, VM_STRINGTEMP_LENGTH, key, value);
5599
5600         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(temp);
5601 }
5602
5603 // #227 string(string info, string key) infoget (FTE_STRINGS)
5604 //uses qw style \key\value strings
5605 void VM_infoget (void)
5606 {
5607         const char *info;
5608         const char *key;
5609         char value[VM_STRINGTEMP_LENGTH];
5610
5611         VM_SAFEPARMCOUNT(2, VM_infoget);
5612         info = PRVM_G_STRING(OFS_PARM0);
5613         key = PRVM_G_STRING(OFS_PARM1);
5614
5615         InfoString_GetValue(info, key, value, VM_STRINGTEMP_LENGTH);
5616
5617         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(value);
5618 }
5619
5620 //#228 float(string s1, string s2, float len) strncmp (FTE_STRINGS)
5621 // also float(string s1, string s2) strcmp (FRIK_FILE)
5622 void VM_strncmp (void)
5623 {
5624         const char *s1, *s2;
5625         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncmp);
5626         s1 = PRVM_G_STRING(OFS_PARM0);
5627         s2 = PRVM_G_STRING(OFS_PARM1);
5628         if (prog->argc > 2)
5629         {
5630                 PRVM_G_FLOAT(OFS_RETURN) = strncmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5631         }
5632         else
5633         {
5634                 PRVM_G_FLOAT(OFS_RETURN) = strcmp(s1, s2);
5635         }
5636 }
5637
5638 // #229 float(string s1, string s2) strcasecmp (FTE_STRINGS)
5639 // #230 float(string s1, string s2, float len) strncasecmp (FTE_STRINGS)
5640 void VM_strncasecmp (void)
5641 {
5642         const char *s1, *s2;
5643         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncasecmp);
5644         s1 = PRVM_G_STRING(OFS_PARM0);
5645         s2 = PRVM_G_STRING(OFS_PARM1);
5646         if (prog->argc > 2)
5647         {
5648                 PRVM_G_FLOAT(OFS_RETURN) = strncasecmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5649         }
5650         else
5651         {
5652                 PRVM_G_FLOAT(OFS_RETURN) = strcasecmp(s1, s2);
5653         }
5654 }
5655
5656 // #494 float(float caseinsensitive, string s, ...) crc16
5657 void VM_crc16(void)
5658 {
5659         float insensitive;
5660         static char s[VM_STRINGTEMP_LENGTH];
5661         VM_SAFEPARMCOUNTRANGE(2, 8, VM_hash);
5662         insensitive = PRVM_G_FLOAT(OFS_PARM0);
5663         VM_VarString(1, s, sizeof(s));
5664         PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
5665 }
5666
5667 void VM_wasfreed (void)
5668 {
5669         VM_SAFEPARMCOUNT(1, VM_wasfreed);
5670         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICT(OFS_PARM0)->priv.required->free;
5671 }
5672
5673 void VM_SetTraceGlobals(const trace_t *trace)
5674 {
5675         prvm_eval_t *val;
5676         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_allsolid)))
5677                 val->_float = trace->allsolid;
5678         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_startsolid)))
5679                 val->_float = trace->startsolid;
5680         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_fraction)))
5681                 val->_float = trace->fraction;
5682         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inwater)))
5683                 val->_float = trace->inwater;
5684         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inopen)))
5685                 val->_float = trace->inopen;
5686         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos)))
5687                 VectorCopy(trace->endpos, val->vector);
5688         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_normal)))
5689                 VectorCopy(trace->plane.normal, val->vector);
5690         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_dist)))
5691                 val->_float = trace->plane.dist;
5692         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_ent)))
5693                 val->edict = PRVM_EDICT_TO_PROG(trace->ent ? trace->ent : prog->edicts);
5694         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
5695                 val->_float = trace->startsupercontents;
5696         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
5697                 val->_float = trace->hitsupercontents;
5698         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
5699                 val->_float = trace->hitq3surfaceflags;
5700         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
5701                 val->string = trace->hittexture ? PRVM_SetTempString(trace->hittexture->name) : 0;
5702 }
5703
5704 void VM_ClearTraceGlobals(void)
5705 {
5706         // clean up all trace globals when leaving the VM (anti-triggerbot safeguard)
5707         prvm_eval_t *val;
5708         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_allsolid)))
5709                 val->_float = 0;
5710         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_startsolid)))
5711                 val->_float = 0;
5712         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_fraction)))
5713                 val->_float = 0;
5714         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inwater)))
5715                 val->_float = 0;
5716         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inopen)))
5717                 val->_float = 0;
5718         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos)))
5719                 VectorClear(val->vector);
5720         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_normal)))
5721                 VectorClear(val->vector);
5722         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_dist)))
5723                 val->_float = 0;
5724         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_ent)))
5725                 val->edict = PRVM_EDICT_TO_PROG(prog->edicts);
5726         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
5727                 val->_float = 0;
5728         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
5729                 val->_float = 0;
5730         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
5731                 val->_float = 0;
5732         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
5733                 val->string = 0;
5734 }
5735
5736 //=============
5737
5738 void VM_Cmd_Init(void)
5739 {
5740         // only init the stuff for the current prog
5741         VM_Files_Init();
5742         VM_Search_Init();
5743         VM_Gecko_Init();
5744 //      VM_BufStr_Init();
5745 }
5746
5747 void VM_Cmd_Reset(void)
5748 {
5749         CL_PurgeOwner( MENUOWNER );
5750         VM_Search_Reset();
5751         VM_Files_CloseAll();
5752         VM_Gecko_Destroy();
5753 //      VM_BufStr_ShutDown();
5754 }
5755
5756 // #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
5757 // does URI escaping on a string (replace evil stuff by %AB escapes)
5758 void VM_uri_escape (void)
5759 {
5760         char src[VM_STRINGTEMP_LENGTH];
5761         char dest[VM_STRINGTEMP_LENGTH];
5762         char *p, *q;
5763         static const char *hex = "0123456789ABCDEF";
5764
5765         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
5766         VM_VarString(0, src, sizeof(src));
5767
5768         for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
5769         {
5770                 if((*p >= 'A' && *p <= 'Z')
5771                         || (*p >= 'a' && *p <= 'z')
5772                         || (*p >= '0' && *p <= '9')
5773                         || (*p == '-')  || (*p == '_') || (*p == '.')
5774                         || (*p == '!')  || (*p == '~')
5775                         || (*p == '\'') || (*p == '(') || (*p == ')'))
5776                         *q++ = *p;
5777                 else
5778                 {
5779                         *q++ = '%';
5780                         *q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
5781                         *q++ = hex[ *(unsigned char *)p       & 0xF];
5782                 }
5783         }
5784         *q++ = 0;
5785
5786         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
5787 }
5788
5789 // #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
5790 // does URI unescaping on a string (get back the evil stuff)
5791 void VM_uri_unescape (void)
5792 {
5793         char src[VM_STRINGTEMP_LENGTH];
5794         char dest[VM_STRINGTEMP_LENGTH];
5795         char *p, *q;
5796         int hi, lo;
5797
5798         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
5799         VM_VarString(0, src, sizeof(src));
5800
5801         for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
5802         {
5803                 if(*p == '%')
5804                 {
5805                         if(p[1] >= '0' && p[1] <= '9')
5806                                 hi = p[1] - '0';
5807                         else if(p[1] >= 'a' && p[1] <= 'f')
5808                                 hi = p[1] - 'a' + 10;
5809                         else if(p[1] >= 'A' && p[1] <= 'F')
5810                                 hi = p[1] - 'A' + 10;
5811                         else
5812                                 goto nohex;
5813                         if(p[2] >= '0' && p[2] <= '9')
5814                                 lo = p[2] - '0';
5815                         else if(p[2] >= 'a' && p[2] <= 'f')
5816                                 lo = p[2] - 'a' + 10;
5817                         else if(p[2] >= 'A' && p[2] <= 'F')
5818                                 lo = p[2] - 'A' + 10;
5819                         else
5820                                 goto nohex;
5821                         if(hi != 0 || lo != 0) // don't unescape NUL bytes
5822                                 *q++ = (char) (hi * 0x10 + lo);
5823                         p += 3;
5824                         continue;
5825                 }
5826
5827 nohex:
5828                 // otherwise:
5829                 *q++ = *p++;
5830         }
5831         *q++ = 0;
5832
5833         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
5834 }
5835
5836 // #502 string(string filename) whichpack (DP_QC_WHICHPACK)
5837 // returns the name of the pack containing a file, or "" if it is not in any pack (but local or non-existant)
5838 void VM_whichpack (void)
5839 {
5840         const char *fn, *pack;
5841
5842         VM_SAFEPARMCOUNT(1, VM_whichpack);
5843         fn = PRVM_G_STRING(OFS_PARM0);
5844         pack = FS_WhichPack(fn);
5845
5846         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(pack ? pack : "");
5847 }
5848
5849 typedef struct
5850 {
5851         int prognr;
5852         double starttime;
5853         float id;
5854         char buffer[MAX_INPUTLINE];
5855         unsigned char *postdata; // free when uri_to_prog_t is freed
5856         size_t postlen;
5857         char *sigdata; // free when uri_to_prog_t is freed
5858         size_t siglen;
5859 }
5860 uri_to_prog_t;
5861
5862 static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
5863 {
5864         uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
5865
5866         if(!PRVM_ProgLoaded(handle->prognr))
5867         {
5868                 // curl reply came too late... so just drop it
5869                 if(handle->postdata)
5870                         Z_Free(handle->postdata);
5871                 if(handle->sigdata)
5872                         Z_Free(handle->sigdata);
5873                 Z_Free(handle);
5874                 return;
5875         }
5876
5877         PRVM_SetProg(handle->prognr);
5878         PRVM_Begin;
5879                 if((prog->starttime == handle->starttime) && (prog->funcoffsets.URI_Get_Callback))
5880                 {
5881                         if(length_received >= sizeof(handle->buffer))
5882                                 length_received = sizeof(handle->buffer) - 1;
5883                         handle->buffer[length_received] = 0;
5884
5885                         PRVM_G_FLOAT(OFS_PARM0) = handle->id;
5886                         PRVM_G_FLOAT(OFS_PARM1) = status;
5887                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(handle->buffer);
5888                         PRVM_ExecuteProgram(prog->funcoffsets.URI_Get_Callback, "QC function URI_Get_Callback is missing");
5889                 }
5890         PRVM_End;
5891
5892         if(handle->postdata)
5893                 Z_Free(handle->postdata);
5894         if(handle->sigdata)
5895                 Z_Free(handle->sigdata);
5896         Z_Free(handle);
5897 }
5898
5899 // 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
5900 // 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
5901 void VM_uri_get (void)
5902 {
5903         const char *url;
5904         float id;
5905         qboolean ret;
5906         uri_to_prog_t *handle;
5907         const char *posttype = NULL;
5908         const char *postseparator = NULL;
5909         int poststringbuffer = -1;
5910         int postkeyid = -1;
5911         const char *query_string = NULL;
5912         size_t lq;
5913
5914         if(!prog->funcoffsets.URI_Get_Callback)
5915                 PRVM_ERROR("uri_get called by %s without URI_Get_Callback defined", PRVM_NAME);
5916
5917         VM_SAFEPARMCOUNTRANGE(2, 6, VM_uri_get);
5918
5919         url = PRVM_G_STRING(OFS_PARM0);
5920         id = PRVM_G_FLOAT(OFS_PARM1);
5921         if(prog->argc >= 3)
5922                 posttype = PRVM_G_STRING(OFS_PARM2);
5923         if(prog->argc >= 4)
5924                 postseparator = PRVM_G_STRING(OFS_PARM3);
5925         if(prog->argc >= 5)
5926                 poststringbuffer = PRVM_G_FLOAT(OFS_PARM4);
5927         if(prog->argc >= 6)
5928                 postkeyid = PRVM_G_FLOAT(OFS_PARM5);
5929         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!
5930
5931         query_string = strchr(url, '?');
5932         if(query_string)
5933                 ++query_string;
5934         lq = query_string ? strlen(query_string) : 0;
5935
5936         handle->prognr = PRVM_GetProgNr();
5937         handle->starttime = prog->starttime;
5938         handle->id = id;
5939         if(postseparator)
5940         {
5941                 size_t l = strlen(postseparator);
5942                 if(poststringbuffer >= 0)
5943                 {
5944                         size_t ltotal;
5945                         int i;
5946                         // "implode"
5947                         prvm_stringbuffer_t *stringbuffer;
5948                         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, poststringbuffer);
5949                         if(!stringbuffer)
5950                         {
5951                                 VM_Warning("uri_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5952                                 return;
5953                         }
5954                         ltotal = 0;
5955                         for(i = 0;i < stringbuffer->num_strings;i++)
5956                         {
5957                                 if(i > 0)
5958                                         ltotal += l;
5959                                 if(stringbuffer->strings[i])
5960                                         ltotal += strlen(stringbuffer->strings[i]);
5961                         }
5962                         handle->postdata = (unsigned char *)Z_Malloc(ltotal + 1 + lq);
5963                         handle->postlen = ltotal;
5964                         ltotal = 0;
5965                         for(i = 0;i < stringbuffer->num_strings;i++)
5966                         {
5967                                 if(i > 0)
5968                                 {
5969                                         memcpy(handle->postdata + ltotal, postseparator, l);
5970                                         ltotal += l;
5971                                 }
5972                                 if(stringbuffer->strings[i])
5973                                 {
5974                                         memcpy(handle->postdata + ltotal, stringbuffer->strings[i], strlen(stringbuffer->strings[i]));
5975                                         ltotal += strlen(stringbuffer->strings[i]);
5976                                 }
5977                         }
5978                         if(ltotal != handle->postlen)
5979                                 PRVM_ERROR ("%s: string buffer content size mismatch, possible overrun", PRVM_NAME);
5980                 }
5981                 else
5982                 {
5983                         handle->postdata = (unsigned char *)Z_Malloc(l + 1 + lq);
5984                         handle->postlen = l;
5985                         memcpy(handle->postdata, postseparator, l);
5986                 }
5987                 handle->postdata[handle->postlen] = 0;
5988                 if(query_string)
5989                         memcpy(handle->postdata + handle->postlen + 1, query_string, lq);
5990                 if(postkeyid >= 0)
5991                 {
5992                         // POST: we sign postdata \0 query string
5993                         size_t ll;
5994                         handle->sigdata = (char *)Z_Malloc(8192);
5995                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
5996                         l = strlen(handle->sigdata);
5997                         handle->siglen = Crypto_SignDataDetached(handle->postdata, handle->postlen + 1 + lq, postkeyid, handle->sigdata + l, 8192 - l);
5998                         if(!handle->siglen)
5999                         {
6000                                 Z_Free(handle->sigdata);
6001                                 handle->sigdata = NULL;
6002                                 goto out1;
6003                         }
6004                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6005                         if(!ll)
6006                         {
6007                                 Z_Free(handle->sigdata);
6008                                 handle->sigdata = NULL;
6009                                 goto out1;
6010                         }
6011                         handle->siglen = l + ll;
6012                         handle->sigdata[handle->siglen] = 0;
6013                 }
6014 out1:
6015                 ret = Curl_Begin_ToMemory_POST(url, handle->sigdata, 0, posttype, handle->postdata, handle->postlen, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
6016         }
6017         else
6018         {
6019                 if(postkeyid >= 0 && query_string)
6020                 {
6021                         // GET: we sign JUST the query string
6022                         size_t l, ll;
6023                         handle->sigdata = (char *)Z_Malloc(8192);
6024                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6025                         l = strlen(handle->sigdata);
6026                         handle->siglen = Crypto_SignDataDetached(query_string, lq, postkeyid, handle->sigdata + l, 8192 - l);
6027                         if(!handle->siglen)
6028                         {
6029                                 Z_Free(handle->sigdata);
6030                                 handle->sigdata = NULL;
6031                                 goto out2;
6032                         }
6033                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6034                         if(!ll)
6035                         {
6036                                 Z_Free(handle->sigdata);
6037                                 handle->sigdata = NULL;
6038                                 goto out2;
6039                         }
6040                         handle->siglen = l + ll;
6041                         handle->sigdata[handle->siglen] = 0;
6042                 }
6043 out2:
6044                 handle->postdata = NULL;
6045                 handle->postlen = 0;
6046                 ret = Curl_Begin_ToMemory(url, 0, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
6047         }
6048         if(ret)
6049         {
6050                 PRVM_G_INT(OFS_RETURN) = 1;
6051         }
6052         else
6053         {
6054                 if(handle->postdata)
6055                         Z_Free(handle->postdata);
6056                 if(handle->sigdata)
6057                         Z_Free(handle->sigdata);
6058                 Z_Free(handle);
6059                 PRVM_G_INT(OFS_RETURN) = 0;
6060         }
6061 }
6062
6063 void VM_netaddress_resolve (void)
6064 {
6065         const char *ip;
6066         char normalized[128];
6067         int port;
6068         lhnetaddress_t addr;
6069
6070         VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
6071
6072         ip = PRVM_G_STRING(OFS_PARM0);
6073         port = 0;
6074         if(prog->argc > 1)
6075                 port = (int) PRVM_G_FLOAT(OFS_PARM1);
6076
6077         if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
6078                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(normalized);
6079         else
6080                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
6081 }
6082
6083 //string(void) getextresponse = #624; // returns the next extResponse packet that was sent to this client
6084 void VM_CL_getextresponse (void)
6085 {
6086         VM_SAFEPARMCOUNT(0,VM_argv);
6087
6088         if (cl_net_extresponse_count <= 0)
6089                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6090         else
6091         {
6092                 int first;
6093                 --cl_net_extresponse_count;
6094                 first = (cl_net_extresponse_last + NET_EXTRESPONSE_MAX - cl_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6095                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(cl_net_extresponse[first]);
6096         }
6097 }
6098
6099 void VM_SV_getextresponse (void)
6100 {
6101         VM_SAFEPARMCOUNT(0,VM_argv);
6102
6103         if (sv_net_extresponse_count <= 0)
6104                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6105         else
6106         {
6107                 int first;
6108                 --sv_net_extresponse_count;
6109                 first = (sv_net_extresponse_last + NET_EXTRESPONSE_MAX - sv_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6110                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(sv_net_extresponse[first]);
6111         }
6112 }
6113
6114 /*
6115 =========
6116 Common functions between menu.dat and clsprogs
6117 =========
6118 */
6119
6120 //#349 float() isdemo
6121 void VM_CL_isdemo (void)
6122 {
6123         VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
6124         PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
6125 }
6126
6127 //#355 float() videoplaying
6128 void VM_CL_videoplaying (void)
6129 {
6130         VM_SAFEPARMCOUNT(0, VM_CL_videoplaying);
6131         PRVM_G_FLOAT(OFS_RETURN) = cl_videoplaying;
6132 }
6133
6134 /*
6135 =========
6136 VM_M_callfunction
6137
6138         callfunction(...,string function_name)
6139 Extension: pass
6140 =========
6141 */
6142 mfunction_t *PRVM_ED_FindFunction (const char *name);
6143 void VM_callfunction(void)
6144 {
6145         mfunction_t *func;
6146         const char *s;
6147
6148         VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
6149
6150         s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
6151
6152         VM_CheckEmptyString(s);
6153
6154         func = PRVM_ED_FindFunction(s);
6155
6156         if(!func)
6157                 PRVM_ERROR("VM_callfunciton: function %s not found !", s);
6158         else if (func->first_statement < 0)
6159         {
6160                 // negative statements are built in functions
6161                 int builtinnumber = -func->first_statement;
6162                 prog->xfunction->builtinsprofile++;
6163                 if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
6164                         prog->builtins[builtinnumber]();
6165                 else
6166                         PRVM_ERROR("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, PRVM_NAME);
6167         }
6168         else if(func - prog->functions > 0)
6169         {
6170                 prog->argc--;
6171                 PRVM_ExecuteProgram(func - prog->functions,"");
6172                 prog->argc++;
6173         }
6174 }
6175
6176 /*
6177 =========
6178 VM_isfunction
6179
6180 float   isfunction(string function_name)
6181 =========
6182 */
6183 mfunction_t *PRVM_ED_FindFunction (const char *name);
6184 void VM_isfunction(void)
6185 {
6186         mfunction_t *func;
6187         const char *s;
6188
6189         VM_SAFEPARMCOUNT(1, VM_isfunction);
6190
6191         s = PRVM_G_STRING(OFS_PARM0);
6192
6193         VM_CheckEmptyString(s);
6194
6195         func = PRVM_ED_FindFunction(s);
6196
6197         if(!func)
6198                 PRVM_G_FLOAT(OFS_RETURN) = false;
6199         else
6200                 PRVM_G_FLOAT(OFS_RETURN) = true;
6201 }
6202
6203 /*
6204 =========
6205 VM_sprintf
6206
6207 string sprintf(string format, ...)
6208 =========
6209 */
6210
6211 void VM_sprintf(void)
6212 {
6213         const char *s, *s0;
6214         char outbuf[MAX_INPUTLINE];
6215         char *o = outbuf, *end = outbuf + sizeof(outbuf), *err;
6216         int argpos = 1;
6217         int width, precision, thisarg, flags;
6218         char formatbuf[16];
6219         char *f;
6220         int isfloat;
6221         static int dummyivec[3] = {0, 0, 0};
6222         static float dummyvec[3] = {0, 0, 0};
6223
6224 #define PRINTF_ALTERNATE 1
6225 #define PRINTF_ZEROPAD 2
6226 #define PRINTF_LEFT 4
6227 #define PRINTF_SPACEPOSITIVE 8
6228 #define PRINTF_SIGNPOSITIVE 16
6229
6230         formatbuf[0] = '%';
6231
6232         s = PRVM_G_STRING(OFS_PARM0);
6233
6234 #define GETARG_FLOAT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_FLOAT(OFS_PARM0 + 3 * (a))) : 0)
6235 #define GETARG_VECTOR(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyvec)
6236 #define GETARG_INT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_INT(OFS_PARM0 + 3 * (a))) : 0)
6237 #define GETARG_INTVECTOR(a) (((a)>=1 && (a)<prog->argc) ? ((int*) PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyivec)
6238 #define GETARG_STRING(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_STRING(OFS_PARM0 + 3 * (a))) : "")
6239
6240         for(;;)
6241         {
6242                 s0 = s;
6243                 switch(*s)
6244                 {
6245                         case 0:
6246                                 goto finished;
6247                         case '%':
6248                                 ++s;
6249
6250                                 if(*s == '%')
6251                                         goto verbatim;
6252
6253                                 // complete directive format:
6254                                 // %3$*1$.*2$ld
6255
6256                                 width = -1;
6257                                 precision = -1;
6258                                 thisarg = -1;
6259                                 flags = 0;
6260                                 isfloat = -1;
6261
6262                                 // is number following?
6263                                 if(*s >= '0' && *s <= '9')
6264                                 {
6265                                         width = strtol(s, &err, 10);
6266                                         if(!err)
6267                                         {
6268                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6269                                                 goto finished;
6270                                         }
6271                                         if(*err == '$')
6272                                         {
6273                                                 thisarg = width;
6274                                                 width = -1;
6275                                                 s = err + 1;
6276                                         }
6277                                         else
6278                                         {
6279                                                 if(*s == '0')
6280                                                 {
6281                                                         flags |= PRINTF_ZEROPAD;
6282                                                         if(width == 0)
6283                                                                 width = -1; // it was just a flag
6284                                                 }
6285                                                 s = err;
6286                                         }
6287                                 }
6288
6289                                 if(width < 0)
6290                                 {
6291                                         for(;;)
6292                                         {
6293                                                 switch(*s)
6294                                                 {
6295                                                         case '#': flags |= PRINTF_ALTERNATE; break;
6296                                                         case '0': flags |= PRINTF_ZEROPAD; break;
6297                                                         case '-': flags |= PRINTF_LEFT; break;
6298                                                         case ' ': flags |= PRINTF_SPACEPOSITIVE; break;
6299                                                         case '+': flags |= PRINTF_SIGNPOSITIVE; break;
6300                                                         default:
6301                                                                 goto noflags;
6302                                                 }
6303                                                 ++s;
6304                                         }
6305 noflags:
6306                                         if(*s == '*')
6307                                         {
6308                                                 ++s;
6309                                                 if(*s >= '0' && *s <= '9')
6310                                                 {
6311                                                         width = strtol(s, &err, 10);
6312                                                         if(!err || *err != '$')
6313                                                         {
6314                                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6315                                                                 goto finished;
6316                                                         }
6317                                                         s = err + 1;
6318                                                 }
6319                                                 else
6320                                                         width = argpos++;
6321                                                 width = GETARG_FLOAT(width);
6322                                                 if(width < 0)
6323                                                 {
6324                                                         flags |= PRINTF_LEFT;
6325                                                         width = -width;
6326                                                 }
6327                                         }
6328                                         else if(*s >= '0' && *s <= '9')
6329                                         {
6330                                                 width = strtol(s, &err, 10);
6331                                                 if(!err)
6332                                                 {
6333                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6334                                                         goto finished;
6335                                                 }
6336                                                 s = err;
6337                                                 if(width < 0)
6338                                                 {
6339                                                         flags |= PRINTF_LEFT;
6340                                                         width = -width;
6341                                                 }
6342                                         }
6343                                         // otherwise width stays -1
6344                                 }
6345
6346                                 if(*s == '.')
6347                                 {
6348                                         ++s;
6349                                         if(*s == '*')
6350                                         {
6351                                                 ++s;
6352                                                 if(*s >= '0' && *s <= '9')
6353                                                 {
6354                                                         precision = strtol(s, &err, 10);
6355                                                         if(!err || *err != '$')
6356                                                         {
6357                                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6358                                                                 goto finished;
6359                                                         }
6360                                                         s = err + 1;
6361                                                 }
6362                                                 else
6363                                                         precision = argpos++;
6364                                                 precision = GETARG_FLOAT(precision);
6365                                         }
6366                                         else if(*s >= '0' && *s <= '9')
6367                                         {
6368                                                 precision = strtol(s, &err, 10);
6369                                                 if(!err)
6370                                                 {
6371                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6372                                                         goto finished;
6373                                                 }
6374                                                 s = err;
6375                                         }
6376                                         else
6377                                         {
6378                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6379                                                 goto finished;
6380                                         }
6381                                 }
6382
6383                                 for(;;)
6384                                 {
6385                                         switch(*s)
6386                                         {
6387                                                 case 'h': isfloat = 1; break;
6388                                                 case 'l': isfloat = 0; break;
6389                                                 case 'L': isfloat = 0; break;
6390                                                 case 'j': break;
6391                                                 case 'z': break;
6392                                                 case 't': break;
6393                                                 default:
6394                                                         goto nolength;
6395                                         }
6396                                         ++s;
6397                                 }
6398 nolength:
6399
6400                                 // now s points to the final directive char and is no longer changed
6401                                 if(isfloat < 0)
6402                                 {
6403                                         if(*s == 'i')
6404                                                 isfloat = 0;
6405                                         else
6406                                                 isfloat = 1;
6407                                 }
6408
6409                                 if(thisarg < 0)
6410                                         thisarg = argpos++;
6411
6412                                 if(o < end - 1)
6413                                 {
6414                                         f = &formatbuf[1];
6415                                         if(*s != 's' && *s != 'c')
6416                                                 if(flags & PRINTF_ALTERNATE) *f++ = '#';
6417                                         if(flags & PRINTF_ZEROPAD) *f++ = '0';
6418                                         if(flags & PRINTF_LEFT) *f++ = '-';
6419                                         if(flags & PRINTF_SPACEPOSITIVE) *f++ = ' ';
6420                                         if(flags & PRINTF_SIGNPOSITIVE) *f++ = '+';
6421                                         *f++ = '*';
6422                                         if(precision >= 0)
6423                                         {
6424                                                 *f++ = '.';
6425                                                 *f++ = '*';
6426                                         }
6427                                         *f++ = *s;
6428                                         *f++ = 0;
6429
6430                                         if(width < 0) // not set
6431                                                 width = 0;
6432
6433                                         switch(*s)
6434                                         {
6435                                                 case 'd': case 'i':
6436                                                         if(precision < 0) // not set
6437                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (int) GETARG_FLOAT(thisarg) : (int) GETARG_INT(thisarg)));
6438                                                         else
6439                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (int) GETARG_FLOAT(thisarg) : (int) GETARG_INT(thisarg)));
6440                                                         break;
6441                                                 case 'o': case 'u': case 'x': case 'X':
6442                                                         if(precision < 0) // not set
6443                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6444                                                         else
6445                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6446                                                         break;
6447                                                 case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
6448                                                         if(precision < 0) // not set
6449                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6450                                                         else
6451                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6452                                                         break;
6453                                                 case 'v': case 'V':
6454                                                         f[-2] += 'g' - 'v';
6455                                                         if(precision < 0) // not set
6456                                                                 o += dpsnprintf(o, end - o, va("%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6457                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6458                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6459                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6460                                                                 );
6461                                                         else
6462                                                                 o += dpsnprintf(o, end - o, va("%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6463                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6464                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6465                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6466                                                                 );
6467                                                         break;
6468                                                 case 'c':
6469                                                         if(flags & PRINTF_ALTERNATE)
6470                                                         {
6471                                                                 if(precision < 0) // not set
6472                                                                         o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6473                                                                 else
6474                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6475                                                         }
6476                                                         else
6477                                                         {
6478                                                                 unsigned int c = (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg));
6479                                                                 const char *buf = u8_encodech(c, NULL);
6480                                                                 if(!buf)
6481                                                                         buf = "";
6482                                                                 if(precision < 0) // not set
6483                                                                         precision = end - o - 1;
6484                                                                 o += u8_strpad(o, end - o, buf, (flags & PRINTF_LEFT) != 0, width, precision);
6485                                                         }
6486                                                         break;
6487                                                 case 's':
6488                                                         if(flags & PRINTF_ALTERNATE)
6489                                                         {
6490                                                                 if(precision < 0) // not set
6491                                                                         o += dpsnprintf(o, end - o, formatbuf, width, GETARG_STRING(thisarg));
6492                                                                 else
6493                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, GETARG_STRING(thisarg));
6494                                                         }
6495                                                         else
6496                                                         {
6497                                                                 if(precision < 0) // not set
6498                                                                         precision = end - o - 1;
6499                                                                 o += u8_strpad(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6500                                                         }
6501                                                         break;
6502                                                 default:
6503                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6504                                                         goto finished;
6505                                         }
6506                                 }
6507                                 ++s;
6508                                 break;
6509                         default:
6510 verbatim:
6511                                 if(o < end - 1)
6512                                         *o++ = *s++;
6513                                 break;
6514                 }
6515         }
6516 finished:
6517         *o = 0;
6518         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(outbuf);
6519 }
6520
6521
6522 // surface querying
6523
6524 static dp_model_t *getmodel(prvm_edict_t *ed)
6525 {
6526         switch(PRVM_GetProgNr())
6527         {
6528                 case PRVM_SERVERPROG:
6529                         return SV_GetModelFromEdict(ed);
6530                 case PRVM_CLIENTPROG:
6531                         return CL_GetModelFromEdict(ed);
6532                 default:
6533                         return NULL;
6534         }
6535 }
6536
6537 typedef struct
6538 {
6539         unsigned int progid;
6540         dp_model_t *model;
6541         frameblend_t frameblend[MAX_FRAMEBLENDS];
6542         skeleton_t *skeleton_p;
6543         skeleton_t skeleton;
6544         float *data_vertex3f;
6545         float *data_svector3f;
6546         float *data_tvector3f;
6547         float *data_normal3f;
6548         int max_vertices;
6549         float *buf_vertex3f;
6550         float *buf_svector3f;
6551         float *buf_tvector3f;
6552         float *buf_normal3f;
6553 }
6554 animatemodel_cache_t;
6555 static animatemodel_cache_t animatemodel_cache;
6556
6557 void animatemodel(dp_model_t *model, prvm_edict_t *ed)
6558 {
6559         prvm_eval_t *val;
6560         skeleton_t *skeleton;
6561         int skeletonindex = -1;
6562         qboolean need = false;
6563         if(!(model->surfmesh.isanimated && model->AnimateVertices))
6564         {
6565                 animatemodel_cache.data_vertex3f = model->surfmesh.data_vertex3f;
6566                 animatemodel_cache.data_svector3f = model->surfmesh.data_svector3f;
6567                 animatemodel_cache.data_tvector3f = model->surfmesh.data_tvector3f;
6568                 animatemodel_cache.data_normal3f = model->surfmesh.data_normal3f;
6569                 return;
6570         }
6571         if(animatemodel_cache.progid != prog->id)
6572                 memset(&animatemodel_cache, 0, sizeof(animatemodel_cache));
6573         need |= (animatemodel_cache.model != model);
6574         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
6575         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
6576         need |= (memcmp(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend))) != 0;
6577         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.skeletonindex))) skeletonindex = (int)val->_float - 1;
6578         if (!(skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones))
6579                 skeleton = NULL;
6580         need |= (animatemodel_cache.skeleton_p != skeleton);
6581         if(skeleton)
6582                 need |= (memcmp(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton))) != 0;
6583         if(!need)
6584                 return;
6585         if(model->surfmesh.num_vertices > animatemodel_cache.max_vertices)
6586         {
6587                 animatemodel_cache.max_vertices = model->surfmesh.num_vertices * 2;
6588                 if(animatemodel_cache.buf_vertex3f) Mem_Free(animatemodel_cache.buf_vertex3f);
6589                 if(animatemodel_cache.buf_svector3f) Mem_Free(animatemodel_cache.buf_svector3f);
6590                 if(animatemodel_cache.buf_tvector3f) Mem_Free(animatemodel_cache.buf_tvector3f);
6591                 if(animatemodel_cache.buf_normal3f) Mem_Free(animatemodel_cache.buf_normal3f);
6592                 animatemodel_cache.buf_vertex3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6593                 animatemodel_cache.buf_svector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6594                 animatemodel_cache.buf_tvector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6595                 animatemodel_cache.buf_normal3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6596         }
6597         animatemodel_cache.data_vertex3f = animatemodel_cache.buf_vertex3f;
6598         animatemodel_cache.data_svector3f = animatemodel_cache.buf_svector3f;
6599         animatemodel_cache.data_tvector3f = animatemodel_cache.buf_tvector3f;
6600         animatemodel_cache.data_normal3f = animatemodel_cache.buf_normal3f;
6601         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
6602         model->AnimateVertices(model, ed->priv.server->frameblend, &ed->priv.server->skeleton, animatemodel_cache.data_vertex3f, animatemodel_cache.data_normal3f, animatemodel_cache.data_svector3f, animatemodel_cache.data_tvector3f);
6603         animatemodel_cache.progid = prog->id;
6604         animatemodel_cache.model = model;
6605         memcpy(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
6606         animatemodel_cache.skeleton_p = skeleton;
6607         if(skeleton)
6608                 memcpy(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton));
6609 }
6610
6611 static void getmatrix(prvm_edict_t *ed, matrix4x4_t *out)
6612 {
6613         switch(PRVM_GetProgNr())
6614         {
6615                 case PRVM_SERVERPROG:
6616                         SV_GetEntityMatrix(ed, out, false);
6617                         break;
6618                 case PRVM_CLIENTPROG:
6619                         CL_GetEntityMatrix(ed, out, false);
6620                         break;
6621                 default:
6622                         *out = identitymatrix;
6623                         break;
6624         }
6625 }
6626
6627 static void applytransform_forward(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6628 {
6629         matrix4x4_t m;
6630         getmatrix(ed, &m);
6631         Matrix4x4_Transform(&m, in, out);
6632 }
6633
6634 static void applytransform_forward_direction(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6635 {
6636         matrix4x4_t m;
6637         getmatrix(ed, &m);
6638         Matrix4x4_Transform3x3(&m, in, out);
6639 }
6640
6641 static void applytransform_inverted(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6642 {
6643         matrix4x4_t m, n;
6644         getmatrix(ed, &m);
6645         Matrix4x4_Invert_Full(&n, &m);
6646         Matrix4x4_Transform3x3(&n, in, out);
6647 }
6648
6649 static void applytransform_forward_normal(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6650 {
6651         matrix4x4_t m;
6652         float p[4];
6653         getmatrix(ed, &m);
6654         Matrix4x4_TransformPositivePlane(&m, in[0], in[1], in[2], 0, p);
6655         VectorCopy(p, out);
6656 }
6657
6658 static void clippointtosurface(prvm_edict_t *ed, dp_model_t *model, msurface_t *surface, vec3_t p, vec3_t out)
6659 {
6660         int i, j, k;
6661         float *v[3], facenormal[3], edgenormal[3], sidenormal[3], temp[3], offsetdist, dist, bestdist;
6662         const int *e;
6663         animatemodel(model, ed);
6664         bestdist = 1000000000;
6665         VectorCopy(p, out);
6666         for (i = 0, e = (model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);i < surface->num_triangles;i++, e += 3)
6667         {
6668                 // clip original point to each triangle of the surface and find the
6669                 // triangle that is closest
6670                 v[0] = animatemodel_cache.data_vertex3f + e[0] * 3;
6671                 v[1] = animatemodel_cache.data_vertex3f + e[1] * 3;
6672                 v[2] = animatemodel_cache.data_vertex3f + e[2] * 3;
6673                 TriangleNormal(v[0], v[1], v[2], facenormal);
6674                 VectorNormalize(facenormal);
6675                 offsetdist = DotProduct(v[0], facenormal) - DotProduct(p, facenormal);
6676                 VectorMA(p, offsetdist, facenormal, temp);
6677                 for (j = 0, k = 2;j < 3;k = j, j++)
6678                 {
6679                         VectorSubtract(v[k], v[j], edgenormal);
6680                         CrossProduct(edgenormal, facenormal, sidenormal);
6681                         VectorNormalize(sidenormal);
6682                         offsetdist = DotProduct(v[k], sidenormal) - DotProduct(temp, sidenormal);
6683                         if (offsetdist < 0)
6684                                 VectorMA(temp, offsetdist, sidenormal, temp);
6685                 }
6686                 dist = VectorDistance2(temp, p);
6687                 if (bestdist > dist)
6688                 {
6689                         bestdist = dist;
6690                         VectorCopy(temp, out);
6691                 }
6692         }
6693 }
6694
6695 static msurface_t *getsurface(dp_model_t *model, int surfacenum)
6696 {
6697         if (surfacenum < 0 || surfacenum >= model->nummodelsurfaces)
6698                 return NULL;
6699         return model->data_surfaces + surfacenum + model->firstmodelsurface;
6700 }
6701
6702
6703 //PF_getsurfacenumpoints, // #434 float(entity e, float s) getsurfacenumpoints = #434;
6704 void VM_getsurfacenumpoints(void)
6705 {
6706         dp_model_t *model;
6707         msurface_t *surface;
6708         VM_SAFEPARMCOUNT(2, VM_getsurfacenumpoints);
6709         // return 0 if no such surface
6710         if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6711         {
6712                 PRVM_G_FLOAT(OFS_RETURN) = 0;
6713                 return;
6714         }
6715
6716         // note: this (incorrectly) assumes it is a simple polygon
6717         PRVM_G_FLOAT(OFS_RETURN) = surface->num_vertices;
6718 }
6719 //PF_getsurfacepoint,     // #435 vector(entity e, float s, float n) getsurfacepoint = #435;
6720 void VM_getsurfacepoint(void)
6721 {
6722         prvm_edict_t *ed;
6723         dp_model_t *model;
6724         msurface_t *surface;
6725         int pointnum;
6726         VM_SAFEPARMCOUNT(3, VM_getsurfacepoint);
6727         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6728         ed = PRVM_G_EDICT(OFS_PARM0);
6729         if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6730                 return;
6731         // note: this (incorrectly) assumes it is a simple polygon
6732         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
6733         if (pointnum < 0 || pointnum >= surface->num_vertices)
6734                 return;
6735         animatemodel(model, ed);
6736         applytransform_forward(&(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6737 }
6738 //PF_getsurfacepointattribute,     // #486 vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
6739 // float SPA_POSITION = 0;
6740 // float SPA_S_AXIS = 1;
6741 // float SPA_T_AXIS = 2;
6742 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
6743 // float SPA_TEXCOORDS0 = 4;
6744 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
6745 // float SPA_LIGHTMAP0_COLOR = 6;
6746 void VM_getsurfacepointattribute(void)
6747 {
6748         prvm_edict_t *ed;
6749         dp_model_t *model;
6750         msurface_t *surface;
6751         int pointnum;
6752         int attributetype;
6753
6754         VM_SAFEPARMCOUNT(4, VM_getsurfacepoint);
6755         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6756         ed = PRVM_G_EDICT(OFS_PARM0);
6757         if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6758                 return;
6759         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
6760         if (pointnum < 0 || pointnum >= surface->num_vertices)
6761                 return;
6762         attributetype = (int) PRVM_G_FLOAT(OFS_PARM3);
6763
6764         animatemodel(model, ed);
6765
6766         switch( attributetype ) {
6767                 // float SPA_POSITION = 0;
6768                 case 0:
6769                         applytransform_forward(&(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6770                         break;
6771                 // float SPA_S_AXIS = 1;
6772                 case 1:
6773                         applytransform_forward_direction(&(animatemodel_cache.data_svector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6774                         break;
6775                 // float SPA_T_AXIS = 2;
6776                 case 2:
6777                         applytransform_forward_direction(&(animatemodel_cache.data_tvector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6778                         break;
6779                 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
6780                 case 3:
6781                         applytransform_forward_direction(&(animatemodel_cache.data_normal3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6782                         break;
6783                 // float SPA_TEXCOORDS0 = 4;
6784                 case 4: {
6785                         float *ret = PRVM_G_VECTOR(OFS_RETURN);
6786                         float *texcoord = &(model->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[pointnum * 2];
6787                         ret[0] = texcoord[0];
6788                         ret[1] = texcoord[1];
6789                         ret[2] = 0.0f;
6790                         break;
6791                 }
6792                 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
6793                 case 5: {
6794                         float *ret = PRVM_G_VECTOR(OFS_RETURN);
6795                         float *texcoord = &(model->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[pointnum * 2];
6796                         ret[0] = texcoord[0];
6797                         ret[1] = texcoord[1];
6798                         ret[2] = 0.0f;
6799                         break;
6800                 }
6801                 // float SPA_LIGHTMAP0_COLOR = 6;
6802                 case 6:
6803                         // ignore alpha for now..
6804                         VectorCopy( &(model->surfmesh.data_lightmapcolor4f + 4 * surface->num_firstvertex)[pointnum * 4], PRVM_G_VECTOR(OFS_RETURN));
6805                         break;
6806                 default:
6807                         VectorSet( PRVM_G_VECTOR(OFS_RETURN), 0.0f, 0.0f, 0.0f );
6808                         break;
6809         }
6810 }
6811 //PF_getsurfacenormal,    // #436 vector(entity e, float s) getsurfacenormal = #436;
6812 void VM_getsurfacenormal(void)
6813 {
6814         dp_model_t *model;
6815         msurface_t *surface;
6816         vec3_t normal;
6817         VM_SAFEPARMCOUNT(2, VM_getsurfacenormal);
6818         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6819         if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6820                 return;
6821         // note: this only returns the first triangle, so it doesn't work very
6822         // well for curved surfaces or arbitrary meshes
6823         animatemodel(model, PRVM_G_EDICT(OFS_PARM0));
6824         TriangleNormal((animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex), (animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex) + 3, (animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex) + 6, normal);
6825         applytransform_forward_normal(normal, PRVM_G_EDICT(OFS_PARM0), PRVM_G_VECTOR(OFS_RETURN));
6826         VectorNormalize(PRVM_G_VECTOR(OFS_RETURN));
6827 }
6828 //PF_getsurfacetexture,   // #437 string(entity e, float s) getsurfacetexture = #437;
6829 void VM_getsurfacetexture(void)
6830 {
6831         dp_model_t *model;
6832         msurface_t *surface;
6833         VM_SAFEPARMCOUNT(2, VM_getsurfacetexture);
6834         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6835         if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6836                 return;
6837         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(surface->texture->name);
6838 }
6839 //PF_getsurfacenearpoint, // #438 float(entity e, vector p) getsurfacenearpoint = #438;
6840 void VM_getsurfacenearpoint(void)
6841 {
6842         int surfacenum, best;
6843         vec3_t clipped, p;
6844         vec_t dist, bestdist;
6845         prvm_edict_t *ed;
6846         dp_model_t *model;
6847         msurface_t *surface;
6848         vec_t *point;
6849         VM_SAFEPARMCOUNT(2, VM_getsurfacenearpoint);
6850         PRVM_G_FLOAT(OFS_RETURN) = -1;
6851         ed = PRVM_G_EDICT(OFS_PARM0);
6852         point = PRVM_G_VECTOR(OFS_PARM1);
6853
6854         if (!ed || ed->priv.server->free)
6855                 return;
6856         model = getmodel(ed);
6857         if (!model || !model->num_surfaces)
6858                 return;
6859
6860         animatemodel(model, ed);
6861
6862         applytransform_inverted(point, ed, p);
6863         best = -1;
6864         bestdist = 1000000000;
6865         for (surfacenum = 0;surfacenum < model->nummodelsurfaces;surfacenum++)
6866         {
6867                 surface = model->data_surfaces + surfacenum + model->firstmodelsurface;
6868                 // first see if the nearest point on the surface's box is closer than the previous match
6869                 clipped[0] = bound(surface->mins[0], p[0], surface->maxs[0]) - p[0];
6870                 clipped[1] = bound(surface->mins[1], p[1], surface->maxs[1]) - p[1];
6871                 clipped[2] = bound(surface->mins[2], p[2], surface->maxs[2]) - p[2];
6872                 dist = VectorLength2(clipped);
6873                 if (dist < bestdist)
6874                 {
6875                         // it is, check the nearest point on the actual geometry
6876                         clippointtosurface(ed, model, surface, p, clipped);
6877                         VectorSubtract(clipped, p, clipped);
6878                         dist += VectorLength2(clipped);
6879                         if (dist < bestdist)
6880                         {
6881                                 // that's closer too, store it as the best match
6882                                 best = surfacenum;
6883                                 bestdist = dist;
6884                         }
6885                 }
6886         }
6887         PRVM_G_FLOAT(OFS_RETURN) = best;
6888 }
6889 //PF_getsurfaceclippedpoint, // #439 vector(entity e, float s, vector p) getsurfaceclippedpoint = #439;
6890 void VM_getsurfaceclippedpoint(void)
6891 {
6892         prvm_edict_t *ed;
6893         dp_model_t *model;
6894         msurface_t *surface;
6895         vec3_t p, out;
6896         VM_SAFEPARMCOUNT(3, VM_te_getsurfaceclippedpoint);
6897         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6898         ed = PRVM_G_EDICT(OFS_PARM0);
6899         if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6900                 return;
6901         animatemodel(model, ed);
6902         applytransform_inverted(PRVM_G_VECTOR(OFS_PARM2), ed, p);
6903         clippointtosurface(ed, model, surface, p, out);
6904         VectorAdd(out, ed->fields.server->origin, PRVM_G_VECTOR(OFS_RETURN));
6905 }
6906
6907 //PF_getsurfacenumtriangles, // #??? float(entity e, float s) getsurfacenumtriangles = #???;
6908 void VM_getsurfacenumtriangles(void)
6909 {
6910        dp_model_t *model;
6911        msurface_t *surface;
6912        VM_SAFEPARMCOUNT(2, VM_SV_getsurfacenumtriangles);
6913        // return 0 if no such surface
6914        if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6915        {
6916                PRVM_G_FLOAT(OFS_RETURN) = 0;
6917                return;
6918        }
6919
6920        // note: this (incorrectly) assumes it is a simple polygon
6921        PRVM_G_FLOAT(OFS_RETURN) = surface->num_triangles;
6922 }
6923 //PF_getsurfacetriangle,     // #??? vector(entity e, float s, float n) getsurfacetriangle = #???;
6924 void VM_getsurfacetriangle(void)
6925 {
6926        const vec3_t d = {-1, -1, -1};
6927        prvm_edict_t *ed;
6928        dp_model_t *model;
6929        msurface_t *surface;
6930        int trinum;
6931        VM_SAFEPARMCOUNT(3, VM_SV_getsurfacetriangle);
6932        VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6933        ed = PRVM_G_EDICT(OFS_PARM0);
6934        if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6935                return;
6936        trinum = (int)PRVM_G_FLOAT(OFS_PARM2);
6937        if (trinum < 0 || trinum >= surface->num_triangles)
6938                return;
6939        // FIXME: implement rotation/scaling
6940        VectorMA(&(model->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[trinum * 3], surface->num_firstvertex, d, PRVM_G_VECTOR(OFS_RETURN));
6941 }
6942
6943 //
6944 // physics builtins
6945 //
6946
6947 void World_Physics_ApplyCmd(prvm_edict_t *ed, edict_odefunc_t *f);
6948
6949 #define VM_physics_ApplyCmd(ed,f) if (!ed->priv.server->ode_body) VM_physics_newstackfunction(ed, f); else World_Physics_ApplyCmd(ed, f)
6950
6951 edict_odefunc_t *VM_physics_newstackfunction(prvm_edict_t *ed, edict_odefunc_t *f)
6952 {
6953         edict_odefunc_t *newfunc, *func;
6954
6955         newfunc = (edict_odefunc_t *)Mem_Alloc(prog->progs_mempool, sizeof(edict_odefunc_t));
6956         memcpy(newfunc, f, sizeof(edict_odefunc_t));
6957         newfunc->next = NULL;
6958         if (!ed->priv.server->ode_func)
6959                 ed->priv.server->ode_func = newfunc;
6960         else
6961         {
6962                 for (func = ed->priv.server->ode_func; func->next; func = func->next);
6963                 func->next = newfunc;
6964         }
6965         return newfunc;
6966 }
6967
6968 // void(entity e, float physics_enabled) physics_enable = #;
6969 void VM_physics_enable(void)
6970 {
6971         prvm_edict_t *ed;
6972         edict_odefunc_t f;
6973
6974         VM_SAFEPARMCOUNT(2, VM_physics_enable);
6975         ed = PRVM_G_EDICT(OFS_PARM0);
6976         if (!ed)
6977         {
6978                 if (developer.integer > 0)
6979                         VM_Warning("VM_physics_enable: null entity!\n");
6980                 return;
6981         }
6982         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
6983         if (ed->fields.server->movetype != MOVETYPE_PHYSICS)
6984         {
6985                 VM_Warning("VM_physics_enable: entity is not MOVETYPE_PHYSICS!\n");
6986                 return;
6987         }
6988         f.type = PRVM_G_FLOAT(OFS_PARM1) == 0 ? ODEFUNC_DISABLE : ODEFUNC_ENABLE;
6989         VM_physics_ApplyCmd(ed, &f);
6990 }
6991
6992 // void(entity e, vector force, vector relative_ofs) physics_addforce = #;
6993 void VM_physics_addforce(void)
6994 {
6995         prvm_edict_t *ed;
6996         edict_odefunc_t f;
6997
6998         VM_SAFEPARMCOUNT(3, VM_physics_addforce);
6999         ed = PRVM_G_EDICT(OFS_PARM0);
7000         if (!ed)
7001         {
7002                 if (developer.integer > 0)
7003                         VM_Warning("VM_physics_addforce: null entity!\n");
7004                 return;
7005         }
7006         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7007         if (ed->fields.server->movetype != MOVETYPE_PHYSICS)
7008         {
7009                 VM_Warning("VM_physics_addforce: entity is not MOVETYPE_PHYSICS!\n");
7010                 return;
7011         }
7012         f.type = ODEFUNC_RELFORCEATPOS;
7013         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7014         VectorSubtract(ed->fields.server->origin, PRVM_G_VECTOR(OFS_PARM2), f.v2);
7015         VM_physics_ApplyCmd(ed, &f);
7016 }
7017
7018 // void(entity e, vector torque) physics_addtorque = #;
7019 void VM_physics_addtorque(void)
7020 {
7021         prvm_edict_t *ed;
7022         edict_odefunc_t f;
7023
7024         VM_SAFEPARMCOUNT(2, VM_physics_addtorque);
7025         ed = PRVM_G_EDICT(OFS_PARM0);
7026         if (!ed)
7027         {
7028                 if (developer.integer > 0)
7029                         VM_Warning("VM_physics_addtorque: null entity!\n");
7030                 return;
7031         }
7032         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7033         if (ed->fields.server->movetype != MOVETYPE_PHYSICS)
7034         {
7035                 VM_Warning("VM_physics_addtorque: entity is not MOVETYPE_PHYSICS!\n");
7036                 return;
7037         }
7038         f.type = ODEFUNC_RELTORQUE;
7039         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7040         VM_physics_ApplyCmd(ed, &f);
7041 }