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 - search_len; i++)
2453         {
2454                 for (j = 0; j < search_len; j++) // thus, i+j < subject_len
2455                         if (tolower(subject[i+j]) != tolower(search[j]))
2456                                 break;
2457                 if (j == search_len)
2458                 {
2459                         // NOTE: if search_len == 0, we always hit THIS case, and never the other
2460                         // found it at offset 'i'
2461                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2462                                 string[si++] = replace[j];
2463                         if(search_len > 0)
2464                         {
2465                                 i += search_len - 1;
2466                         }
2467                         else
2468                         {
2469                                 // the above would subtract 1 from i... so we
2470                                 // don't do that, but instead output the next
2471                                 // char
2472                                 if (si < (int)sizeof(string) - 1)
2473                                         string[si++] = subject[i];
2474                         }
2475                 }
2476                 else
2477                 {
2478                         // in THIS case, we know search_len > 0, thus i < subject_len
2479                         // not found
2480                         if (si < (int)sizeof(string) - 1)
2481                                 string[si++] = subject[i];
2482                 }
2483         }
2484         // remaining chars (these cannot match)
2485         for (; i < subject_len; i++)
2486                 if (si < (int)sizeof(string) - 1)
2487                         string[si++] = subject[i];
2488         string[si] = '\0';
2489
2490         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2491 }
2492
2493 /*
2494 =========
2495 VM_stov
2496
2497 vector  stov(string s)
2498 =========
2499 */
2500 //vector(string s) stov = #117; // returns vector value from a string
2501 void VM_stov(void)
2502 {
2503         char string[VM_STRINGTEMP_LENGTH];
2504
2505         VM_SAFEPARMCOUNT(1,VM_stov);
2506
2507         VM_VarString(0, string, sizeof(string));
2508         Math_atov(string, PRVM_G_VECTOR(OFS_RETURN));
2509 }
2510
2511 /*
2512 =========
2513 VM_strzone
2514
2515 string  strzone(string s)
2516 =========
2517 */
2518 //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)
2519 void VM_strzone(void)
2520 {
2521         char *out;
2522         char string[VM_STRINGTEMP_LENGTH];
2523         size_t alloclen;
2524
2525         VM_SAFEPARMCOUNT(1,VM_strzone);
2526
2527         VM_VarString(0, string, sizeof(string));
2528         alloclen = strlen(string) + 1;
2529         PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(alloclen, &out);
2530         memcpy(out, string, alloclen);
2531 }
2532
2533 /*
2534 =========
2535 VM_strunzone
2536
2537 strunzone(string s)
2538 =========
2539 */
2540 //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!!!)
2541 void VM_strunzone(void)
2542 {
2543         VM_SAFEPARMCOUNT(1,VM_strunzone);
2544         PRVM_FreeString(PRVM_G_INT(OFS_PARM0));
2545 }
2546
2547 /*
2548 =========
2549 VM_command (used by client and menu)
2550
2551 clientcommand(float client, string s) (for client and menu)
2552 =========
2553 */
2554 //void(entity e, string s) clientcommand = #440; // executes a command string as if it came from the specified client
2555 //this function originally written by KrimZon, made shorter by LordHavoc
2556 void VM_clcommand (void)
2557 {
2558         client_t *temp_client;
2559         int i;
2560
2561         VM_SAFEPARMCOUNT(2,VM_clcommand);
2562
2563         i = (int)PRVM_G_FLOAT(OFS_PARM0);
2564         if (!sv.active  || i < 0 || i >= svs.maxclients || !svs.clients[i].active)
2565         {
2566                 VM_Warning("VM_clientcommand: %s: invalid client/server is not active !\n", PRVM_NAME);
2567                 return;
2568         }
2569
2570         temp_client = host_client;
2571         host_client = svs.clients + i;
2572         Cmd_ExecuteString (PRVM_G_STRING(OFS_PARM1), src_client);
2573         host_client = temp_client;
2574 }
2575
2576
2577 /*
2578 =========
2579 VM_tokenize
2580
2581 float tokenize(string s)
2582 =========
2583 */
2584 //float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
2585 //this function originally written by KrimZon, made shorter by LordHavoc
2586 //20040203: rewritten by LordHavoc (no longer uses allocations)
2587 static int num_tokens = 0;
2588 static int tokens[VM_STRINGTEMP_LENGTH / 2];
2589 static int tokens_startpos[VM_STRINGTEMP_LENGTH / 2];
2590 static int tokens_endpos[VM_STRINGTEMP_LENGTH / 2];
2591 static char tokenize_string[VM_STRINGTEMP_LENGTH];
2592 void VM_tokenize (void)
2593 {
2594         const char *p;
2595
2596         VM_SAFEPARMCOUNT(1,VM_tokenize);
2597
2598         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2599         p = tokenize_string;
2600
2601         num_tokens = 0;
2602         for(;;)
2603         {
2604                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2605                         break;
2606
2607                 // skip whitespace here to find token start pos
2608                 while(*p && ISWHITESPACE(*p))
2609                         ++p;
2610
2611                 tokens_startpos[num_tokens] = p - tokenize_string;
2612                 if(!COM_ParseToken_VM_Tokenize(&p, false))
2613                         break;
2614                 tokens_endpos[num_tokens] = p - tokenize_string;
2615                 tokens[num_tokens] = PRVM_SetTempString(com_token);
2616                 ++num_tokens;
2617         }
2618
2619         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2620 }
2621
2622 //float(string s) tokenize = #514; // takes apart a string into individal words (access them with argv), returns how many
2623 void VM_tokenize_console (void)
2624 {
2625         const char *p;
2626
2627         VM_SAFEPARMCOUNT(1,VM_tokenize);
2628
2629         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2630         p = tokenize_string;
2631
2632         num_tokens = 0;
2633         for(;;)
2634         {
2635                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2636                         break;
2637
2638                 // skip whitespace here to find token start pos
2639                 while(*p && ISWHITESPACE(*p))
2640                         ++p;
2641
2642                 tokens_startpos[num_tokens] = p - tokenize_string;
2643                 if(!COM_ParseToken_Console(&p))
2644                         break;
2645                 tokens_endpos[num_tokens] = p - tokenize_string;
2646                 tokens[num_tokens] = PRVM_SetTempString(com_token);
2647                 ++num_tokens;
2648         }
2649
2650         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2651 }
2652
2653 /*
2654 =========
2655 VM_tokenizebyseparator
2656
2657 float tokenizebyseparator(string s, string separator1, ...)
2658 =========
2659 */
2660 //float(string s, string separator1, ...) tokenizebyseparator = #479; // takes apart a string into individal words (access them with argv), returns how many
2661 //this function returns the token preceding each instance of a separator (of
2662 //which there can be multiple), and the text following the last separator
2663 //useful for parsing certain kinds of data like IP addresses
2664 //example:
2665 //numnumbers = tokenizebyseparator("10.1.2.3", ".");
2666 //returns 4 and the tokens "10" "1" "2" "3".
2667 void VM_tokenizebyseparator (void)
2668 {
2669         int j, k;
2670         int numseparators;
2671         int separatorlen[7];
2672         const char *separators[7];
2673         const char *p, *p0;
2674         const char *token;
2675         char tokentext[MAX_INPUTLINE];
2676
2677         VM_SAFEPARMCOUNTRANGE(2, 8,VM_tokenizebyseparator);
2678
2679         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2680         p = tokenize_string;
2681
2682         numseparators = 0;
2683         for (j = 1;j < prog->argc;j++)
2684         {
2685                 // skip any blank separator strings
2686                 const char *s = PRVM_G_STRING(OFS_PARM0+j*3);
2687                 if (!s[0])
2688                         continue;
2689                 separators[numseparators] = s;
2690                 separatorlen[numseparators] = strlen(s);
2691                 numseparators++;
2692         }
2693
2694         num_tokens = 0;
2695         j = 0;
2696
2697         while (num_tokens < (int)(sizeof(tokens)/sizeof(tokens[0])))
2698         {
2699                 token = tokentext + j;
2700                 tokens_startpos[num_tokens] = p - tokenize_string;
2701                 p0 = p;
2702                 while (*p)
2703                 {
2704                         for (k = 0;k < numseparators;k++)
2705                         {
2706                                 if (!strncmp(p, separators[k], separatorlen[k]))
2707                                 {
2708                                         p += separatorlen[k];
2709                                         break;
2710                                 }
2711                         }
2712                         if (k < numseparators)
2713                                 break;
2714                         if (j < (int)sizeof(tokentext)-1)
2715                                 tokentext[j++] = *p;
2716                         p++;
2717                         p0 = p;
2718                 }
2719                 tokens_endpos[num_tokens] = p0 - tokenize_string;
2720                 if (j >= (int)sizeof(tokentext))
2721                         break;
2722                 tokentext[j++] = 0;
2723                 tokens[num_tokens++] = PRVM_SetTempString(token);
2724                 if (!*p)
2725                         break;
2726         }
2727
2728         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2729 }
2730
2731 //string(float n) argv = #442; // returns a word from the tokenized string (returns nothing for an invalid index)
2732 //this function originally written by KrimZon, made shorter by LordHavoc
2733 void VM_argv (void)
2734 {
2735         int token_num;
2736
2737         VM_SAFEPARMCOUNT(1,VM_argv);
2738
2739         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2740
2741         if(token_num < 0)
2742                 token_num += num_tokens;
2743
2744         if (token_num >= 0 && token_num < num_tokens)
2745                 PRVM_G_INT(OFS_RETURN) = tokens[token_num];
2746         else
2747                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
2748 }
2749
2750 //float(float n) argv_start_index = #515; // returns the start index of a token
2751 void VM_argv_start_index (void)
2752 {
2753         int token_num;
2754
2755         VM_SAFEPARMCOUNT(1,VM_argv);
2756
2757         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2758
2759         if(token_num < 0)
2760                 token_num += num_tokens;
2761
2762         if (token_num >= 0 && token_num < num_tokens)
2763                 PRVM_G_FLOAT(OFS_RETURN) = tokens_startpos[token_num];
2764         else
2765                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2766 }
2767
2768 //float(float n) argv_end_index = #516; // returns the end index of a token
2769 void VM_argv_end_index (void)
2770 {
2771         int token_num;
2772
2773         VM_SAFEPARMCOUNT(1,VM_argv);
2774
2775         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2776
2777         if(token_num < 0)
2778                 token_num += num_tokens;
2779
2780         if (token_num >= 0 && token_num < num_tokens)
2781                 PRVM_G_FLOAT(OFS_RETURN) = tokens_endpos[token_num];
2782         else
2783                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2784 }
2785
2786 /*
2787 =========
2788 VM_isserver
2789
2790 float   isserver()
2791 =========
2792 */
2793 void VM_isserver(void)
2794 {
2795         VM_SAFEPARMCOUNT(0,VM_serverstate);
2796
2797         PRVM_G_FLOAT(OFS_RETURN) = sv.active && (svs.maxclients > 1 || cls.state == ca_dedicated);
2798 }
2799
2800 /*
2801 =========
2802 VM_clientcount
2803
2804 float   clientcount()
2805 =========
2806 */
2807 void VM_clientcount(void)
2808 {
2809         VM_SAFEPARMCOUNT(0,VM_clientcount);
2810
2811         PRVM_G_FLOAT(OFS_RETURN) = svs.maxclients;
2812 }
2813
2814 /*
2815 =========
2816 VM_clientstate
2817
2818 float   clientstate()
2819 =========
2820 */
2821 void VM_clientstate(void)
2822 {
2823         VM_SAFEPARMCOUNT(0,VM_clientstate);
2824
2825
2826         switch( cls.state ) {
2827                 case ca_uninitialized:
2828                 case ca_dedicated:
2829                         PRVM_G_FLOAT(OFS_RETURN) = 0;
2830                         break;
2831                 case ca_disconnected:
2832                         PRVM_G_FLOAT(OFS_RETURN) = 1;
2833                         break;
2834                 case ca_connected:
2835                         PRVM_G_FLOAT(OFS_RETURN) = 2;
2836                         break;
2837                 default:
2838                         // should never be reached!
2839                         break;
2840         }
2841 }
2842
2843 /*
2844 =========
2845 VM_getostype
2846
2847 float   getostype(void)
2848 =========
2849 */ // not used at the moment -> not included in the common list
2850 void VM_getostype(void)
2851 {
2852         VM_SAFEPARMCOUNT(0,VM_getostype);
2853
2854         /*
2855         OS_WINDOWS
2856         OS_LINUX
2857         OS_MAC - not supported
2858         */
2859
2860 #ifdef WIN32
2861         PRVM_G_FLOAT(OFS_RETURN) = 0;
2862 #elif defined(MACOSX)
2863         PRVM_G_FLOAT(OFS_RETURN) = 2;
2864 #else
2865         PRVM_G_FLOAT(OFS_RETURN) = 1;
2866 #endif
2867 }
2868
2869 /*
2870 =========
2871 VM_gettime
2872
2873 float   gettime(void)
2874 =========
2875 */
2876 extern double host_starttime;
2877 float CDAudio_GetPosition(void);
2878 void VM_gettime(void)
2879 {
2880         int timer_index;
2881
2882         VM_SAFEPARMCOUNTRANGE(0,1,VM_gettime);
2883
2884         if(prog->argc == 0)
2885         {
2886                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2887         }
2888         else
2889         {
2890                 timer_index = (int) PRVM_G_FLOAT(OFS_PARM0);
2891         switch(timer_index)
2892         {
2893             case 0: // GETTIME_FRAMESTART
2894                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2895                 break;
2896             case 1: // GETTIME_REALTIME
2897                 PRVM_G_FLOAT(OFS_RETURN) = (float) Sys_DoubleTime();
2898                 break;
2899             case 2: // GETTIME_HIRES
2900                 PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - realtime);
2901                 break;
2902             case 3: // GETTIME_UPTIME
2903                 PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - host_starttime);
2904                 break;
2905             case 4: // GETTIME_CDTRACK
2906                 PRVM_G_FLOAT(OFS_RETURN) = (float) CDAudio_GetPosition();
2907                 break;
2908                         default:
2909                                 VM_Warning("VM_gettime: %s: unsupported timer specified, returning realtime\n", PRVM_NAME);
2910                                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2911                                 break;
2912                 }
2913         }
2914 }
2915
2916 /*
2917 =========
2918 VM_getsoundtime
2919
2920 float   getsoundtime(void)
2921 =========
2922 */
2923
2924 void VM_getsoundtime (void)
2925 {
2926         int entnum, entchannel, pnum;
2927         VM_SAFEPARMCOUNT(2,VM_getsoundtime);
2928
2929         pnum = PRVM_GetProgNr();
2930         if (pnum == PRVM_MENUPROG)
2931         {
2932                 VM_Warning("VM_getsoundtime: %s: not supported on this progs\n", PRVM_NAME);
2933                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2934                 return;
2935         }
2936         entnum = ((pnum == PRVM_CLIENTPROG) ? MAX_EDICTS : 0) + PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2937         entchannel = (int)PRVM_G_FLOAT(OFS_PARM1);
2938         if (entchannel <= 0 || entchannel > 8)
2939                 VM_Warning("VM_getsoundtime: %s: bad channel %i\n", PRVM_NAME, entchannel);
2940         PRVM_G_FLOAT(OFS_RETURN) = (float)S_GetEntChannelPosition(entnum, entchannel);
2941 }
2942
2943 /*
2944 =========
2945 VM_GetSoundLen
2946
2947 string  soundlength (string sample)
2948 =========
2949 */
2950 void VM_soundlength (void)
2951 {
2952         const char *s;
2953
2954         VM_SAFEPARMCOUNT(1, VM_soundlength);
2955
2956         s = PRVM_G_STRING(OFS_PARM0);
2957         PRVM_G_FLOAT(OFS_RETURN) = S_SoundLength(s);
2958 }
2959
2960 /*
2961 =========
2962 VM_loadfromdata
2963
2964 loadfromdata(string data)
2965 =========
2966 */
2967 void VM_loadfromdata(void)
2968 {
2969         VM_SAFEPARMCOUNT(1,VM_loadentsfromfile);
2970
2971         PRVM_ED_LoadFromFile(PRVM_G_STRING(OFS_PARM0));
2972 }
2973
2974 /*
2975 ========================
2976 VM_parseentitydata
2977
2978 parseentitydata(entity ent, string data)
2979 ========================
2980 */
2981 void VM_parseentitydata(void)
2982 {
2983         prvm_edict_t *ent;
2984         const char *data;
2985
2986         VM_SAFEPARMCOUNT(2, VM_parseentitydata);
2987
2988         // get edict and test it
2989         ent = PRVM_G_EDICT(OFS_PARM0);
2990         if (ent->priv.required->free)
2991                 PRVM_ERROR ("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2992
2993         data = PRVM_G_STRING(OFS_PARM1);
2994
2995         // parse the opening brace
2996         if (!COM_ParseToken_Simple(&data, false, false) || com_token[0] != '{' )
2997                 PRVM_ERROR ("VM_parseentitydata: %s: Couldn't parse entity data:\n%s", PRVM_NAME, data );
2998
2999         PRVM_ED_ParseEdict (data, ent);
3000 }
3001
3002 /*
3003 =========
3004 VM_loadfromfile
3005
3006 loadfromfile(string file)
3007 =========
3008 */
3009 void VM_loadfromfile(void)
3010 {
3011         const char *filename;
3012         char *data;
3013
3014         VM_SAFEPARMCOUNT(1,VM_loadfromfile);
3015
3016         filename = PRVM_G_STRING(OFS_PARM0);
3017         if (FS_CheckNastyPath(filename, false))
3018         {
3019                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3020                 VM_Warning("VM_loadfromfile: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", PRVM_NAME, filename);
3021                 return;
3022         }
3023
3024         // not conform with VM_fopen
3025         data = (char *)FS_LoadFile(filename, tempmempool, false, NULL);
3026         if (data == NULL)
3027                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3028
3029         PRVM_ED_LoadFromFile(data);
3030
3031         if(data)
3032                 Mem_Free(data);
3033 }
3034
3035
3036 /*
3037 =========
3038 VM_modulo
3039
3040 float   mod(float val, float m)
3041 =========
3042 */
3043 void VM_modulo(void)
3044 {
3045         int val, m;
3046         VM_SAFEPARMCOUNT(2,VM_module);
3047
3048         val = (int) PRVM_G_FLOAT(OFS_PARM0);
3049         m       = (int) PRVM_G_FLOAT(OFS_PARM1);
3050
3051         PRVM_G_FLOAT(OFS_RETURN) = (float) (val % m);
3052 }
3053
3054 void VM_Search_Init(void)
3055 {
3056         int i;
3057         for (i = 0;i < PRVM_MAX_OPENSEARCHES;i++)
3058                 prog->opensearches[i] = NULL;
3059 }
3060
3061 void VM_Search_Reset(void)
3062 {
3063         int i;
3064         // reset the fssearch list
3065         for(i = 0; i < PRVM_MAX_OPENSEARCHES; i++)
3066         {
3067                 if(prog->opensearches[i])
3068                         FS_FreeSearch(prog->opensearches[i]);
3069                 prog->opensearches[i] = NULL;
3070         }
3071 }
3072
3073 /*
3074 =========
3075 VM_search_begin
3076
3077 float search_begin(string pattern, float caseinsensitive, float quiet)
3078 =========
3079 */
3080 void VM_search_begin(void)
3081 {
3082         int handle;
3083         const char *pattern;
3084         int caseinsens, quiet;
3085
3086         VM_SAFEPARMCOUNT(3, VM_search_begin);
3087
3088         pattern = PRVM_G_STRING(OFS_PARM0);
3089
3090         VM_CheckEmptyString(pattern);
3091
3092         caseinsens = (int)PRVM_G_FLOAT(OFS_PARM1);
3093         quiet = (int)PRVM_G_FLOAT(OFS_PARM2);
3094
3095         for(handle = 0; handle < PRVM_MAX_OPENSEARCHES; handle++)
3096                 if(!prog->opensearches[handle])
3097                         break;
3098
3099         if(handle >= PRVM_MAX_OPENSEARCHES)
3100         {
3101                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3102                 VM_Warning("VM_search_begin: %s ran out of search handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENSEARCHES);
3103                 return;
3104         }
3105
3106         if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
3107                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3108         else
3109         {
3110                 prog->opensearches_origin[handle] = PRVM_AllocationOrigin();
3111                 PRVM_G_FLOAT(OFS_RETURN) = handle;
3112         }
3113 }
3114
3115 /*
3116 =========
3117 VM_search_end
3118
3119 void    search_end(float handle)
3120 =========
3121 */
3122 void VM_search_end(void)
3123 {
3124         int handle;
3125         VM_SAFEPARMCOUNT(1, VM_search_end);
3126
3127         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3128
3129         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3130         {
3131                 VM_Warning("VM_search_end: invalid handle %i used in %s\n", handle, PRVM_NAME);
3132                 return;
3133         }
3134         if(prog->opensearches[handle] == NULL)
3135         {
3136                 VM_Warning("VM_search_end: no such handle %i in %s\n", handle, PRVM_NAME);
3137                 return;
3138         }
3139
3140         FS_FreeSearch(prog->opensearches[handle]);
3141         prog->opensearches[handle] = NULL;
3142         if(prog->opensearches_origin[handle])
3143                 PRVM_Free((char *)prog->opensearches_origin[handle]);
3144 }
3145
3146 /*
3147 =========
3148 VM_search_getsize
3149
3150 float   search_getsize(float handle)
3151 =========
3152 */
3153 void VM_search_getsize(void)
3154 {
3155         int handle;
3156         VM_SAFEPARMCOUNT(1, VM_M_search_getsize);
3157
3158         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3159
3160         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3161         {
3162                 VM_Warning("VM_search_getsize: invalid handle %i used in %s\n", handle, PRVM_NAME);
3163                 return;
3164         }
3165         if(prog->opensearches[handle] == NULL)
3166         {
3167                 VM_Warning("VM_search_getsize: no such handle %i in %s\n", handle, PRVM_NAME);
3168                 return;
3169         }
3170
3171         PRVM_G_FLOAT(OFS_RETURN) = prog->opensearches[handle]->numfilenames;
3172 }
3173
3174 /*
3175 =========
3176 VM_search_getfilename
3177
3178 string  search_getfilename(float handle, float num)
3179 =========
3180 */
3181 void VM_search_getfilename(void)
3182 {
3183         int handle, filenum;
3184         VM_SAFEPARMCOUNT(2, VM_search_getfilename);
3185
3186         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3187         filenum = (int)PRVM_G_FLOAT(OFS_PARM1);
3188
3189         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3190         {
3191                 VM_Warning("VM_search_getfilename: invalid handle %i used in %s\n", handle, PRVM_NAME);
3192                 return;
3193         }
3194         if(prog->opensearches[handle] == NULL)
3195         {
3196                 VM_Warning("VM_search_getfilename: no such handle %i in %s\n", handle, PRVM_NAME);
3197                 return;
3198         }
3199         if(filenum < 0 || filenum >= prog->opensearches[handle]->numfilenames)
3200         {
3201                 VM_Warning("VM_search_getfilename: invalid filenum %i in %s\n", filenum, PRVM_NAME);
3202                 return;
3203         }
3204
3205         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog->opensearches[handle]->filenames[filenum]);
3206 }
3207
3208 /*
3209 =========
3210 VM_chr
3211
3212 string  chr(float ascii)
3213 =========
3214 */
3215 void VM_chr(void)
3216 {
3217         /*
3218         char tmp[2];
3219         VM_SAFEPARMCOUNT(1, VM_chr);
3220
3221         tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
3222         tmp[1] = 0;
3223
3224         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
3225         */
3226
3227         char tmp[8];
3228         int len;
3229         VM_SAFEPARMCOUNT(1, VM_chr);
3230
3231         len = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0), tmp, sizeof(tmp));
3232         tmp[len] = 0;
3233         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
3234 }
3235
3236 //=============================================================================
3237 // Draw builtins (client & menu)
3238
3239 /*
3240 =========
3241 VM_iscachedpic
3242
3243 float   iscachedpic(string pic)
3244 =========
3245 */
3246 void VM_iscachedpic(void)
3247 {
3248         VM_SAFEPARMCOUNT(1,VM_iscachedpic);
3249
3250         // drawq hasnt such a function, thus always return true
3251         PRVM_G_FLOAT(OFS_RETURN) = false;
3252 }
3253
3254 /*
3255 =========
3256 VM_precache_pic
3257
3258 string  precache_pic(string pic)
3259 =========
3260 */
3261 void VM_precache_pic(void)
3262 {
3263         const char      *s;
3264
3265         VM_SAFEPARMCOUNT(1, VM_precache_pic);
3266
3267         s = PRVM_G_STRING(OFS_PARM0);
3268         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
3269         VM_CheckEmptyString (s);
3270
3271         // AK Draw_CachePic is supposed to always return a valid pointer
3272         if( Draw_CachePic_Flags(s, 0)->tex == r_texture_notexture )
3273                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
3274 }
3275
3276 /*
3277 =========
3278 VM_freepic
3279
3280 freepic(string s)
3281 =========
3282 */
3283 void VM_freepic(void)
3284 {
3285         const char *s;
3286
3287         VM_SAFEPARMCOUNT(1,VM_freepic);
3288
3289         s = PRVM_G_STRING(OFS_PARM0);
3290         VM_CheckEmptyString (s);
3291
3292         Draw_FreePic(s);
3293 }
3294
3295 void getdrawfontscale(float *sx, float *sy)
3296 {
3297         vec3_t v;
3298         *sx = *sy = 1;
3299         if(prog->globaloffsets.drawfontscale >= 0)
3300         {
3301                 VectorCopy(PRVM_G_VECTOR(prog->globaloffsets.drawfontscale), v);
3302                 if(VectorLength2(v) > 0)
3303                 {
3304                         *sx = v[0];
3305                         *sy = v[1];
3306                 }
3307         }
3308 }
3309
3310 dp_font_t *getdrawfont(void)
3311 {
3312         if(prog->globaloffsets.drawfont >= 0)
3313         {
3314                 int f = (int) PRVM_G_FLOAT(prog->globaloffsets.drawfont);
3315                 if(f < 0 || f >= dp_fonts.maxsize)
3316                         return FONT_DEFAULT;
3317                 return &dp_fonts.f[f];
3318         }
3319         else
3320                 return FONT_DEFAULT;
3321 }
3322
3323 /*
3324 =========
3325 VM_drawcharacter
3326
3327 float   drawcharacter(vector position, float character, vector scale, vector rgb, float alpha, float flag)
3328 =========
3329 */
3330 void VM_drawcharacter(void)
3331 {
3332         float *pos,*scale,*rgb;
3333         char   character;
3334         int flag;
3335         float sx, sy;
3336         VM_SAFEPARMCOUNT(6,VM_drawcharacter);
3337
3338         character = (char) PRVM_G_FLOAT(OFS_PARM1);
3339         if(character == 0)
3340         {
3341                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3342                 VM_Warning("VM_drawcharacter: %s passed null character !\n",PRVM_NAME);
3343                 return;
3344         }
3345
3346         pos = PRVM_G_VECTOR(OFS_PARM0);
3347         scale = PRVM_G_VECTOR(OFS_PARM2);
3348         rgb = PRVM_G_VECTOR(OFS_PARM3);
3349         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3350
3351         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3352         {
3353                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3354                 VM_Warning("VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3355                 return;
3356         }
3357
3358         if(pos[2] || scale[2])
3359                 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")));
3360
3361         if(!scale[0] || !scale[1])
3362         {
3363                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3364                 VM_Warning("VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3365                 return;
3366         }
3367
3368         getdrawfontscale(&sx, &sy);
3369         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());
3370         PRVM_G_FLOAT(OFS_RETURN) = 1;
3371 }
3372
3373 /*
3374 =========
3375 VM_drawstring
3376
3377 float   drawstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3378 =========
3379 */
3380 void VM_drawstring(void)
3381 {
3382         float *pos,*scale,*rgb;
3383         const char  *string;
3384         int flag;
3385         float sx, sy;
3386         VM_SAFEPARMCOUNT(6,VM_drawstring);
3387
3388         string = PRVM_G_STRING(OFS_PARM1);
3389         pos = PRVM_G_VECTOR(OFS_PARM0);
3390         scale = PRVM_G_VECTOR(OFS_PARM2);
3391         rgb = PRVM_G_VECTOR(OFS_PARM3);
3392         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3393
3394         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3395         {
3396                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3397                 VM_Warning("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3398                 return;
3399         }
3400
3401         if(!scale[0] || !scale[1])
3402         {
3403                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3404                 VM_Warning("VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3405                 return;
3406         }
3407
3408         if(pos[2] || scale[2])
3409                 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")));
3410
3411         getdrawfontscale(&sx, &sy);
3412         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());
3413         //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);
3414         PRVM_G_FLOAT(OFS_RETURN) = 1;
3415 }
3416
3417 /*
3418 =========
3419 VM_drawcolorcodedstring
3420
3421 float   drawcolorcodedstring(vector position, string text, vector scale, float alpha, float flag)
3422 /
3423 float   drawcolorcodedstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3424 =========
3425 */
3426 void VM_drawcolorcodedstring(void)
3427 {
3428         float *pos, *scale;
3429         const char  *string;
3430         int flag;
3431         vec3_t rgb;
3432         float sx, sy, alpha;
3433
3434         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawcolorcodedstring);
3435
3436         if (prog->argc == 6) // full 6 parms, like normal drawstring
3437         {
3438                 pos = PRVM_G_VECTOR(OFS_PARM0);
3439                 string = PRVM_G_STRING(OFS_PARM1);
3440                 scale = PRVM_G_VECTOR(OFS_PARM2);
3441                 VectorCopy(PRVM_G_VECTOR(OFS_PARM3), rgb);
3442                 alpha = PRVM_G_FLOAT(OFS_PARM4);
3443                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3444         }
3445         else
3446         {
3447                 pos = PRVM_G_VECTOR(OFS_PARM0);
3448                 string = PRVM_G_STRING(OFS_PARM1);
3449                 scale = PRVM_G_VECTOR(OFS_PARM2);
3450                 rgb[0] = 1.0;
3451                 rgb[1] = 1.0;
3452                 rgb[2] = 1.0;
3453                 alpha = PRVM_G_FLOAT(OFS_PARM3);
3454                 flag = (int)PRVM_G_FLOAT(OFS_PARM4);
3455         }
3456
3457         if(flag < DRAWFLAG_NORMAL || flag >= DRAWFLAG_NUMFLAGS)
3458         {
3459                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3460                 VM_Warning("VM_drawcolorcodedstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3461                 return;
3462         }
3463
3464         if(!scale[0] || !scale[1])
3465         {
3466                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3467                 VM_Warning("VM_drawcolorcodedstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3468                 return;
3469         }
3470
3471         if(pos[2] || scale[2])
3472                 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")));
3473
3474         getdrawfontscale(&sx, &sy);
3475         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());
3476         if (prog->argc == 6) // also return vector of last color
3477                 VectorCopy(DrawQ_Color, PRVM_G_VECTOR(OFS_RETURN));
3478         else
3479                 PRVM_G_FLOAT(OFS_RETURN) = 1;
3480 }
3481 /*
3482 =========
3483 VM_stringwidth
3484
3485 float   stringwidth(string text, float allowColorCodes, float size)
3486 =========
3487 */
3488 void VM_stringwidth(void)
3489 {
3490         const char  *string;
3491         float *szv;
3492         float mult; // sz is intended font size so we can later add freetype support, mult is font size multiplier in pixels per character cell
3493         int colors;
3494         float sx, sy;
3495         size_t maxlen = 0;
3496         VM_SAFEPARMCOUNTRANGE(2,3,VM_drawstring);
3497
3498         getdrawfontscale(&sx, &sy);
3499         if(prog->argc == 3)
3500         {
3501                 szv = PRVM_G_VECTOR(OFS_PARM2);
3502                 mult = 1;
3503         }
3504         else
3505         {
3506                 // we want the width for 8x8 font size, divided by 8
3507                 static float defsize[] = {8, 8};
3508                 szv = defsize;
3509                 mult = 0.125;
3510                 // to make sure snapping is turned off, ALWAYS use a nontrivial scale in this case
3511                 if(sx >= 0.9 && sx <= 1.1)
3512                 {
3513                         mult *= 2;
3514                         sx /= 2;
3515                         sy /= 2;
3516                 }
3517         }
3518
3519         string = PRVM_G_STRING(OFS_PARM0);
3520         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3521
3522         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_UntilWidth_TrackColors_Scale(string, &maxlen, szv[0], szv[1], sx, sy, NULL, !colors, getdrawfont(), 1000000000) * mult;
3523 /*
3524         if(prog->argc == 3)
3525         {
3526                 mult = sz = PRVM_G_FLOAT(OFS_PARM2);
3527         }
3528         else
3529         {
3530                 sz = 8;
3531                 mult = 1;
3532         }
3533
3534         string = PRVM_G_STRING(OFS_PARM0);
3535         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3536
3537         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth(string, 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
3538 */
3539 }
3540
3541 /*
3542 =========
3543 VM_findfont
3544
3545 float findfont(string s)
3546 =========
3547 */
3548
3549 float getdrawfontnum(const char *fontname)
3550 {
3551         int i;
3552
3553         for(i = 0; i < dp_fonts.maxsize; ++i)
3554                 if(!strcmp(dp_fonts.f[i].title, fontname))
3555                         return i;
3556         return -1;
3557 }
3558
3559 void VM_findfont(void)
3560 {
3561         VM_SAFEPARMCOUNT(1,VM_findfont);
3562         PRVM_G_FLOAT(OFS_RETURN) = getdrawfontnum(PRVM_G_STRING(OFS_PARM0));
3563 }
3564
3565 /*
3566 =========
3567 VM_loadfont
3568
3569 float loadfont(string fontname, string fontmaps, string sizes, float slot)
3570 =========
3571 */
3572
3573 dp_font_t *FindFont(const char *title, qboolean allocate_new);
3574 void LoadFont(qboolean override, const char *name, dp_font_t *fnt, float scale, float voffset);
3575 void VM_loadfont(void)
3576 {
3577         const char *fontname, *filelist, *sizes, *c, *cm;
3578         char mainfont[MAX_QPATH];
3579         int i, numsizes;
3580         float sz, scale, voffset;
3581         dp_font_t *f;
3582
3583         VM_SAFEPARMCOUNTRANGE(3,6,VM_loadfont);
3584
3585         fontname = PRVM_G_STRING(OFS_PARM0);
3586         if (!fontname[0])
3587                 fontname = "default";
3588
3589         filelist = PRVM_G_STRING(OFS_PARM1);
3590         if (!filelist[0])
3591                 filelist = "gfx/conchars";
3592
3593         sizes = PRVM_G_STRING(OFS_PARM2);
3594         if (!sizes[0])
3595                 sizes = "10";
3596
3597         // find a font
3598         f = NULL;
3599         if (prog->argc >= 4)
3600         {
3601                 i = PRVM_G_FLOAT(OFS_PARM3);
3602                 if (i >= 0 && i < dp_fonts.maxsize)
3603                 {
3604                         f = &dp_fonts.f[i];
3605                         strlcpy(f->title, fontname, sizeof(f->title)); // replace name
3606                 }
3607         }
3608         if (!f)
3609                 f = FindFont(fontname, true);
3610         if (!f)
3611         {
3612                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3613                 return; // something go wrong
3614         }
3615
3616         memset(f->fallbacks, 0, sizeof(f->fallbacks));
3617         memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
3618
3619         // first font is handled "normally"
3620         c = strchr(filelist, ':');
3621         cm = strchr(filelist, ',');
3622         if(c && (!cm || c < cm))
3623                 f->req_face = atoi(c+1);
3624         else
3625         {
3626                 f->req_face = 0;
3627                 c = cm;
3628         }
3629         if(!c || (c - filelist) > MAX_QPATH)
3630                 strlcpy(mainfont, filelist, sizeof(mainfont));
3631         else
3632         {
3633                 memcpy(mainfont, filelist, c - filelist);
3634                 mainfont[c - filelist] = 0;
3635         }
3636
3637         // handle fallbacks
3638         for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
3639         {
3640                 c = strchr(filelist, ',');
3641                 if(!c)
3642                         break;
3643                 filelist = c + 1;
3644                 if(!*filelist)
3645                         break;
3646                 c = strchr(filelist, ':');
3647                 cm = strchr(filelist, ',');
3648                 if(c && (!cm || c < cm))
3649                         f->fallback_faces[i] = atoi(c+1);
3650                 else
3651                 {
3652                         f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
3653                         c = cm;
3654                 }
3655                 if(!c || (c-filelist) > MAX_QPATH)
3656                 {
3657                         strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
3658                 }
3659                 else
3660                 {
3661                         memcpy(f->fallbacks[i], filelist, c - filelist);
3662                         f->fallbacks[i][c - filelist] = 0;
3663                 }
3664         }
3665
3666         // handle sizes
3667         for(i = 0; i < MAX_FONT_SIZES; ++i)
3668                 f->req_sizes[i] = -1;
3669         for (numsizes = 0,c = sizes;;)
3670         {
3671                 if (!COM_ParseToken_VM_Tokenize(&c, 0))
3672                         break;
3673                 sz = atof(com_token);
3674                 // detect crap size
3675                 if (sz < 0.001f || sz > 1000.0f)
3676                 {
3677                         VM_Warning("VM_loadfont: crap size %s", com_token);
3678                         continue;
3679                 }
3680                 // check overflow
3681                 if (numsizes == MAX_FONT_SIZES)
3682                 {
3683                         VM_Warning("VM_loadfont: MAX_FONT_SIZES = %i exceeded", MAX_FONT_SIZES);
3684                         break;
3685                 }
3686                 f->req_sizes[numsizes] = sz;
3687                 numsizes++;
3688         }
3689
3690         // additional scale/hoffset parms
3691         scale = 1;
3692         voffset = 0;
3693         if (prog->argc >= 5)
3694         {
3695                 scale = PRVM_G_FLOAT(OFS_PARM4);
3696                 if (scale <= 0)
3697                         scale = 1;
3698         }
3699         if (prog->argc >= 6)
3700                 voffset = PRVM_G_FLOAT(OFS_PARM5);
3701
3702         // load
3703         LoadFont(true, mainfont, f, scale, voffset);
3704
3705         // return index of loaded font
3706         PRVM_G_FLOAT(OFS_RETURN) = (f - dp_fonts.f);
3707 }
3708
3709 /*
3710 =========
3711 VM_drawpic
3712
3713 float   drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
3714 =========
3715 */
3716 void VM_drawpic(void)
3717 {
3718         const char *picname;
3719         float *size, *pos, *rgb;
3720         int flag;
3721
3722         VM_SAFEPARMCOUNT(6,VM_drawpic);
3723
3724         picname = PRVM_G_STRING(OFS_PARM1);
3725         VM_CheckEmptyString (picname);
3726
3727         // is pic cached ? no function yet for that
3728         if(!1)
3729         {
3730                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3731                 VM_Warning("VM_drawpic: %s: %s not cached !\n", PRVM_NAME, picname);
3732                 return;
3733         }
3734
3735         pos = PRVM_G_VECTOR(OFS_PARM0);
3736         size = PRVM_G_VECTOR(OFS_PARM2);
3737         rgb = PRVM_G_VECTOR(OFS_PARM3);
3738         flag = (int) PRVM_G_FLOAT(OFS_PARM5);
3739
3740         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3741         {
3742                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3743                 VM_Warning("VM_drawpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3744                 return;
3745         }
3746
3747         if(pos[2] || size[2])
3748                 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")));
3749
3750         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);
3751         PRVM_G_FLOAT(OFS_RETURN) = 1;
3752 }
3753 /*
3754 =========
3755 VM_drawrotpic
3756
3757 float   drawrotpic(vector position, string pic, vector size, vector org, float angle, vector rgb, float alpha, float flag)
3758 =========
3759 */
3760 void VM_drawrotpic(void)
3761 {
3762         const char *picname;
3763         float *size, *pos, *org, *rgb;
3764         int flag;
3765
3766         VM_SAFEPARMCOUNT(8,VM_drawrotpic);
3767
3768         picname = PRVM_G_STRING(OFS_PARM1);
3769         VM_CheckEmptyString (picname);
3770
3771         // is pic cached ? no function yet for that
3772         if(!1)
3773         {
3774                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3775                 VM_Warning("VM_drawrotpic: %s: %s not cached !\n", PRVM_NAME, picname);
3776                 return;
3777         }
3778
3779         pos = PRVM_G_VECTOR(OFS_PARM0);
3780         size = PRVM_G_VECTOR(OFS_PARM2);
3781         org = PRVM_G_VECTOR(OFS_PARM3);
3782         rgb = PRVM_G_VECTOR(OFS_PARM5);
3783         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3784
3785         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3786         {
3787                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3788                 VM_Warning("VM_drawrotpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3789                 return;
3790         }
3791
3792         if(pos[2] || size[2] || org[2])
3793                 Con_Printf("VM_drawrotpic: z value from pos/size/org discarded\n");
3794
3795         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);
3796         PRVM_G_FLOAT(OFS_RETURN) = 1;
3797 }
3798 /*
3799 =========
3800 VM_drawsubpic
3801
3802 float   drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
3803
3804 =========
3805 */
3806 void VM_drawsubpic(void)
3807 {
3808         const char *picname;
3809         float *size, *pos, *rgb, *srcPos, *srcSize, alpha;
3810         int flag;
3811
3812         VM_SAFEPARMCOUNT(8,VM_drawsubpic);
3813
3814         picname = PRVM_G_STRING(OFS_PARM2);
3815         VM_CheckEmptyString (picname);
3816
3817         // is pic cached ? no function yet for that
3818         if(!1)
3819         {
3820                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3821                 VM_Warning("VM_drawsubpic: %s: %s not cached !\n", PRVM_NAME, picname);
3822                 return;
3823         }
3824
3825         pos = PRVM_G_VECTOR(OFS_PARM0);
3826         size = PRVM_G_VECTOR(OFS_PARM1);
3827         srcPos = PRVM_G_VECTOR(OFS_PARM3);
3828         srcSize = PRVM_G_VECTOR(OFS_PARM4);
3829         rgb = PRVM_G_VECTOR(OFS_PARM5);
3830         alpha = PRVM_G_FLOAT(OFS_PARM6);
3831         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3832
3833         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3834         {
3835                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3836                 VM_Warning("VM_drawsubpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3837                 return;
3838         }
3839
3840         if(pos[2] || size[2])
3841                 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")));
3842
3843         DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT),
3844                 size[0], size[1],
3845                 srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3846                 srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3847                 srcPos[0],              srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3848                 srcPos[0] + srcSize[0], srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3849                 flag);
3850         PRVM_G_FLOAT(OFS_RETURN) = 1;
3851 }
3852
3853 /*
3854 =========
3855 VM_drawfill
3856
3857 float drawfill(vector position, vector size, vector rgb, float alpha, float flag)
3858 =========
3859 */
3860 void VM_drawfill(void)
3861 {
3862         float *size, *pos, *rgb;
3863         int flag;
3864
3865         VM_SAFEPARMCOUNT(5,VM_drawfill);
3866
3867
3868         pos = PRVM_G_VECTOR(OFS_PARM0);
3869         size = PRVM_G_VECTOR(OFS_PARM1);
3870         rgb = PRVM_G_VECTOR(OFS_PARM2);
3871         flag = (int) PRVM_G_FLOAT(OFS_PARM4);
3872
3873         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3874         {
3875                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3876                 VM_Warning("VM_drawfill: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3877                 return;
3878         }
3879
3880         if(pos[2] || size[2])
3881                 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")));
3882
3883         DrawQ_Fill(pos[0], pos[1], size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
3884         PRVM_G_FLOAT(OFS_RETURN) = 1;
3885 }
3886
3887 /*
3888 =========
3889 VM_drawsetcliparea
3890
3891 drawsetcliparea(float x, float y, float width, float height)
3892 =========
3893 */
3894 void VM_drawsetcliparea(void)
3895 {
3896         float x,y,w,h;
3897         VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
3898
3899         x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
3900         y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
3901         w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
3902         h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
3903
3904         DrawQ_SetClipArea(x, y, w, h);
3905 }
3906
3907 /*
3908 =========
3909 VM_drawresetcliparea
3910
3911 drawresetcliparea()
3912 =========
3913 */
3914 void VM_drawresetcliparea(void)
3915 {
3916         VM_SAFEPARMCOUNT(0,VM_drawresetcliparea);
3917
3918         DrawQ_ResetClipArea();
3919 }
3920
3921 /*
3922 =========
3923 VM_getimagesize
3924
3925 vector  getimagesize(string pic)
3926 =========
3927 */
3928 void VM_getimagesize(void)
3929 {
3930         const char *p;
3931         cachepic_t *pic;
3932
3933         VM_SAFEPARMCOUNT(1,VM_getimagesize);
3934
3935         p = PRVM_G_STRING(OFS_PARM0);
3936         VM_CheckEmptyString (p);
3937
3938         pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
3939
3940         PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
3941         PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
3942         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
3943 }
3944
3945 /*
3946 =========
3947 VM_keynumtostring
3948
3949 string keynumtostring(float keynum)
3950 =========
3951 */
3952 void VM_keynumtostring (void)
3953 {
3954         VM_SAFEPARMCOUNT(1, VM_keynumtostring);
3955
3956         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0)));
3957 }
3958
3959 /*
3960 =========
3961 VM_findkeysforcommand
3962
3963 string  findkeysforcommand(string command, float bindmap)
3964
3965 the returned string is an altstring
3966 =========
3967 */
3968 #define FKFC_NUMKEYS 5
3969 void M_FindKeysForCommand(const char *command, int *keys);
3970 void VM_findkeysforcommand(void)
3971 {
3972         const char *cmd;
3973         char ret[VM_STRINGTEMP_LENGTH];
3974         int keys[FKFC_NUMKEYS];
3975         int i;
3976         int bindmap;
3977
3978         VM_SAFEPARMCOUNTRANGE(1, 2, VM_findkeysforcommand);
3979
3980         cmd = PRVM_G_STRING(OFS_PARM0);
3981         if(prog->argc == 2)
3982                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
3983         else
3984                 bindmap = 0; // consistent to "bind"
3985
3986         VM_CheckEmptyString(cmd);
3987
3988         Key_FindKeysForCommand(cmd, keys, FKFC_NUMKEYS, bindmap);
3989
3990         ret[0] = 0;
3991         for(i = 0; i < FKFC_NUMKEYS; i++)
3992                 strlcat(ret, va(" \'%i\'", keys[i]), sizeof(ret));
3993
3994         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(ret);
3995 }
3996
3997 /*
3998 =========
3999 VM_stringtokeynum
4000
4001 float stringtokeynum(string key)
4002 =========
4003 */
4004 void VM_stringtokeynum (void)
4005 {
4006         VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
4007
4008         PRVM_G_FLOAT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
4009 }
4010
4011 /*
4012 =========
4013 VM_getkeybind
4014
4015 string getkeybind(float key, float bindmap)
4016 =========
4017 */
4018 void VM_getkeybind (void)
4019 {
4020         int bindmap;
4021         VM_SAFEPARMCOUNTRANGE(1, 2, VM_CL_getkeybind);
4022         if(prog->argc == 2)
4023                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4024         else
4025                 bindmap = 0; // consistent to "bind"
4026
4027         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0), bindmap));
4028 }
4029
4030 /*
4031 =========
4032 VM_setkeybind
4033
4034 float setkeybind(float key, string cmd, float bindmap)
4035 =========
4036 */
4037 void VM_setkeybind (void)
4038 {
4039         int bindmap;
4040         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_setkeybind);
4041         if(prog->argc == 3)
4042                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM2), MAX_BINDMAPS-1);
4043         else
4044                 bindmap = 0; // consistent to "bind"
4045
4046         PRVM_G_FLOAT(OFS_RETURN) = 0;
4047         if(Key_SetBinding((int)PRVM_G_FLOAT(OFS_PARM0), bindmap, PRVM_G_STRING(OFS_PARM1)))
4048                 PRVM_G_FLOAT(OFS_RETURN) = 1;
4049 }
4050
4051 /*
4052 =========
4053 VM_getbindmap
4054
4055 vector getbindmaps()
4056 =========
4057 */
4058 void VM_getbindmaps (void)
4059 {
4060         int fg, bg;
4061         VM_SAFEPARMCOUNT(0, VM_CL_getbindmap);
4062         Key_GetBindMap(&fg, &bg);
4063         PRVM_G_VECTOR(OFS_RETURN)[0] = fg;
4064         PRVM_G_VECTOR(OFS_RETURN)[1] = bg;
4065         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4066 }
4067
4068 /*
4069 =========
4070 VM_setbindmap
4071
4072 float setbindmaps(vector bindmap)
4073 =========
4074 */
4075 void VM_setbindmaps (void)
4076 {
4077         VM_SAFEPARMCOUNT(1, VM_CL_setbindmap);
4078         PRVM_G_FLOAT(OFS_RETURN) = 0;
4079         if(PRVM_G_VECTOR(OFS_PARM0)[2] == 0)
4080                 if(Key_SetBindMap((int)PRVM_G_VECTOR(OFS_PARM0)[0], (int)PRVM_G_VECTOR(OFS_PARM0)[1]))
4081                         PRVM_G_FLOAT(OFS_RETURN) = 1;
4082 }
4083
4084 // CL_Video interface functions
4085
4086 /*
4087 ========================
4088 VM_cin_open
4089
4090 float cin_open(string file, string name)
4091 ========================
4092 */
4093 void VM_cin_open( void )
4094 {
4095         const char *file;
4096         const char *name;
4097
4098         VM_SAFEPARMCOUNT( 2, VM_cin_open );
4099
4100         file = PRVM_G_STRING( OFS_PARM0 );
4101         name = PRVM_G_STRING( OFS_PARM1 );
4102
4103         VM_CheckEmptyString( file );
4104     VM_CheckEmptyString( name );
4105
4106         if( CL_OpenVideo( file, name, MENUOWNER, "" ) )
4107                 PRVM_G_FLOAT( OFS_RETURN ) = 1;
4108         else
4109                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4110 }
4111
4112 /*
4113 ========================
4114 VM_cin_close
4115
4116 void cin_close(string name)
4117 ========================
4118 */
4119 void VM_cin_close( void )
4120 {
4121         const char *name;
4122
4123         VM_SAFEPARMCOUNT( 1, VM_cin_close );
4124
4125         name = PRVM_G_STRING( OFS_PARM0 );
4126         VM_CheckEmptyString( name );
4127
4128         CL_CloseVideo( CL_GetVideoByName( name ) );
4129 }
4130
4131 /*
4132 ========================
4133 VM_cin_setstate
4134 void cin_setstate(string name, float type)
4135 ========================
4136 */
4137 void VM_cin_setstate( void )
4138 {
4139         const char *name;
4140         clvideostate_t  state;
4141         clvideo_t               *video;
4142
4143         VM_SAFEPARMCOUNT( 2, VM_cin_netstate );
4144
4145         name = PRVM_G_STRING( OFS_PARM0 );
4146         VM_CheckEmptyString( name );
4147
4148         state = (clvideostate_t)((int)PRVM_G_FLOAT( OFS_PARM1 ));
4149
4150         video = CL_GetVideoByName( name );
4151         if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
4152                 CL_SetVideoState( video, state );
4153 }
4154
4155 /*
4156 ========================
4157 VM_cin_getstate
4158
4159 float cin_getstate(string name)
4160 ========================
4161 */
4162 void VM_cin_getstate( void )
4163 {
4164         const char *name;
4165         clvideo_t               *video;
4166
4167         VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
4168
4169         name = PRVM_G_STRING( OFS_PARM0 );
4170         VM_CheckEmptyString( name );
4171
4172         video = CL_GetVideoByName( name );
4173         if( video )
4174                 PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
4175         else
4176                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4177 }
4178
4179 /*
4180 ========================
4181 VM_cin_restart
4182
4183 void cin_restart(string name)
4184 ========================
4185 */
4186 void VM_cin_restart( void )
4187 {
4188         const char *name;
4189         clvideo_t               *video;
4190
4191         VM_SAFEPARMCOUNT( 1, VM_cin_restart );
4192
4193         name = PRVM_G_STRING( OFS_PARM0 );
4194         VM_CheckEmptyString( name );
4195
4196         video = CL_GetVideoByName( name );
4197         if( video )
4198                 CL_RestartVideo( video );
4199 }
4200
4201 /*
4202 ========================
4203 VM_Gecko_Init
4204 ========================
4205 */
4206 void VM_Gecko_Init( void ) {
4207         // the prog struct is memset to 0 by Initprog? [12/6/2007 Black]
4208         // FIXME: remove the other _Init functions then, too? [12/6/2007 Black]
4209 }
4210
4211 /*
4212 ========================
4213 VM_Gecko_Destroy
4214 ========================
4215 */
4216 void VM_Gecko_Destroy( void ) {
4217         int i;
4218         for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
4219                 clgecko_t **instance = &prog->opengeckoinstances[ i ];
4220                 if( *instance ) {
4221                         CL_Gecko_DestroyBrowser( *instance );
4222                 }
4223                 *instance = NULL;
4224         }
4225 }
4226
4227 /*
4228 ========================
4229 VM_gecko_create
4230
4231 float[bool] gecko_create( string name )
4232 ========================
4233 */
4234 void VM_gecko_create( void ) {
4235         const char *name;
4236         int i;
4237         clgecko_t *instance;
4238
4239         VM_SAFEPARMCOUNT( 1, VM_gecko_create );
4240
4241         name = PRVM_G_STRING( OFS_PARM0 );
4242         VM_CheckEmptyString( name );
4243
4244         // find an empty slot for this gecko browser..
4245         for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
4246                 if( prog->opengeckoinstances[ i ] == NULL ) {
4247                         break;
4248                 }
4249         }
4250         if( i == PRVM_MAX_GECKOINSTANCES ) {
4251                         VM_Warning("VM_gecko_create: %s ran out of gecko handles (%i)\n", PRVM_NAME, PRVM_MAX_GECKOINSTANCES);
4252                         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4253                         return;
4254         }
4255
4256         instance = prog->opengeckoinstances[ i ] = CL_Gecko_CreateBrowser( name, PRVM_GetProgNr() );
4257    if( !instance ) {
4258                 // TODO: error handling [12/3/2007 Black]
4259                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4260                 return;
4261         }
4262         PRVM_G_FLOAT( OFS_RETURN ) = 1;
4263 }
4264
4265 /*
4266 ========================
4267 VM_gecko_destroy
4268
4269 void gecko_destroy( string name )
4270 ========================
4271 */
4272 void VM_gecko_destroy( void ) {
4273         const char *name;
4274         clgecko_t *instance;
4275
4276         VM_SAFEPARMCOUNT( 1, VM_gecko_destroy );
4277
4278         name = PRVM_G_STRING( OFS_PARM0 );
4279         VM_CheckEmptyString( name );
4280         instance = CL_Gecko_FindBrowser( name );
4281         if( !instance ) {
4282                 return;
4283         }
4284         CL_Gecko_DestroyBrowser( instance );
4285 }
4286
4287 /*
4288 ========================
4289 VM_gecko_navigate
4290
4291 void gecko_navigate( string name, string URI )
4292 ========================
4293 */
4294 void VM_gecko_navigate( void ) {
4295         const char *name;
4296         const char *URI;
4297         clgecko_t *instance;
4298
4299         VM_SAFEPARMCOUNT( 2, VM_gecko_navigate );
4300
4301         name = PRVM_G_STRING( OFS_PARM0 );
4302         URI = PRVM_G_STRING( OFS_PARM1 );
4303         VM_CheckEmptyString( name );
4304         VM_CheckEmptyString( URI );
4305
4306    instance = CL_Gecko_FindBrowser( name );
4307         if( !instance ) {
4308                 return;
4309         }
4310         CL_Gecko_NavigateToURI( instance, URI );
4311 }
4312
4313 /*
4314 ========================
4315 VM_gecko_keyevent
4316
4317 float[bool] gecko_keyevent( string name, float key, float eventtype )
4318 ========================
4319 */
4320 void VM_gecko_keyevent( void ) {
4321         const char *name;
4322         unsigned int key;
4323         clgecko_buttoneventtype_t eventtype;
4324         clgecko_t *instance;
4325
4326         VM_SAFEPARMCOUNT( 3, VM_gecko_keyevent );
4327
4328         name = PRVM_G_STRING( OFS_PARM0 );
4329         VM_CheckEmptyString( name );
4330         key = (unsigned int) PRVM_G_FLOAT( OFS_PARM1 );
4331         switch( (unsigned int) PRVM_G_FLOAT( OFS_PARM2 ) ) {
4332         case 0:
4333                 eventtype = CLG_BET_DOWN;
4334                 break;
4335         case 1:
4336                 eventtype = CLG_BET_UP;
4337                 break;
4338         case 2:
4339                 eventtype = CLG_BET_PRESS;
4340                 break;
4341         case 3:
4342                 eventtype = CLG_BET_DOUBLECLICK;
4343                 break;
4344         default:
4345                 // TODO: console printf? [12/3/2007 Black]
4346                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4347                 return;
4348         }
4349
4350         instance = CL_Gecko_FindBrowser( name );
4351         if( !instance ) {
4352                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4353                 return;
4354         }
4355
4356         PRVM_G_FLOAT( OFS_RETURN ) = (CL_Gecko_Event_Key( instance, (keynum_t) key, eventtype ) == true);
4357 }
4358
4359 /*
4360 ========================
4361 VM_gecko_movemouse
4362
4363 void gecko_mousemove( string name, float x, float y )
4364 ========================
4365 */
4366 void VM_gecko_movemouse( void ) {
4367         const char *name;
4368         float x, y;
4369         clgecko_t *instance;
4370
4371         VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
4372
4373         name = PRVM_G_STRING( OFS_PARM0 );
4374         VM_CheckEmptyString( name );
4375         x = PRVM_G_FLOAT( OFS_PARM1 );
4376         y = PRVM_G_FLOAT( OFS_PARM2 );
4377
4378         instance = CL_Gecko_FindBrowser( name );
4379         if( !instance ) {
4380                 return;
4381         }
4382         CL_Gecko_Event_CursorMove( instance, x, y );
4383 }
4384
4385
4386 /*
4387 ========================
4388 VM_gecko_resize
4389
4390 void gecko_resize( string name, float w, float h )
4391 ========================
4392 */
4393 void VM_gecko_resize( void ) {
4394         const char *name;
4395         float w, h;
4396         clgecko_t *instance;
4397
4398         VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
4399
4400         name = PRVM_G_STRING( OFS_PARM0 );
4401         VM_CheckEmptyString( name );
4402         w = PRVM_G_FLOAT( OFS_PARM1 );
4403         h = PRVM_G_FLOAT( OFS_PARM2 );
4404
4405         instance = CL_Gecko_FindBrowser( name );
4406         if( !instance ) {
4407                 return;
4408         }
4409         CL_Gecko_Resize( instance, (int) w, (int) h );
4410 }
4411
4412
4413 /*
4414 ========================
4415 VM_gecko_get_texture_extent
4416
4417 vector gecko_get_texture_extent( string name )
4418 ========================
4419 */
4420 void VM_gecko_get_texture_extent( void ) {
4421         const char *name;
4422         clgecko_t *instance;
4423
4424         VM_SAFEPARMCOUNT( 1, VM_gecko_movemouse );
4425
4426         name = PRVM_G_STRING( OFS_PARM0 );
4427         VM_CheckEmptyString( name );
4428
4429         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4430         instance = CL_Gecko_FindBrowser( name );
4431         if( !instance ) {
4432                 PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
4433                 PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
4434                 return;
4435         }
4436         CL_Gecko_GetTextureExtent( instance,
4437                 PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_RETURN)+1 );
4438 }
4439
4440
4441
4442 /*
4443 ==============
4444 VM_makevectors
4445
4446 Writes new values for v_forward, v_up, and v_right based on angles
4447 void makevectors(vector angle)
4448 ==============
4449 */
4450 void VM_makevectors (void)
4451 {
4452         prvm_eval_t *valforward, *valright, *valup;
4453         valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
4454         valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
4455         valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
4456         if (!valforward || !valright || !valup)
4457         {
4458                 VM_Warning("makevectors: could not find v_forward, v_right, or v_up global variables\n");
4459                 return;
4460         }
4461         VM_SAFEPARMCOUNT(1, VM_makevectors);
4462         AngleVectors (PRVM_G_VECTOR(OFS_PARM0), valforward->vector, valright->vector, valup->vector);
4463 }
4464
4465 /*
4466 ==============
4467 VM_vectorvectors
4468
4469 Writes new values for v_forward, v_up, and v_right based on the given forward vector
4470 vectorvectors(vector)
4471 ==============
4472 */
4473 void VM_vectorvectors (void)
4474 {
4475         prvm_eval_t *valforward, *valright, *valup;
4476         valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
4477         valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
4478         valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
4479         if (!valforward || !valright || !valup)
4480         {
4481                 VM_Warning("vectorvectors: could not find v_forward, v_right, or v_up global variables\n");
4482                 return;
4483         }
4484         VM_SAFEPARMCOUNT(1, VM_vectorvectors);
4485         VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), valforward->vector);
4486         VectorVectors(valforward->vector, valright->vector, valup->vector);
4487 }
4488
4489 /*
4490 ========================
4491 VM_drawline
4492
4493 void drawline(float width, vector pos1, vector pos2, vector rgb, float alpha, float flags)
4494 ========================
4495 */
4496 void VM_drawline (void)
4497 {
4498         float   *c1, *c2, *rgb;
4499         float   alpha, width;
4500         unsigned char   flags;
4501
4502         VM_SAFEPARMCOUNT(6, VM_drawline);
4503         width   = PRVM_G_FLOAT(OFS_PARM0);
4504         c1              = PRVM_G_VECTOR(OFS_PARM1);
4505         c2              = PRVM_G_VECTOR(OFS_PARM2);
4506         rgb             = PRVM_G_VECTOR(OFS_PARM3);
4507         alpha   = PRVM_G_FLOAT(OFS_PARM4);
4508         flags   = (int)PRVM_G_FLOAT(OFS_PARM5);
4509         DrawQ_Line(width, c1[0], c1[1], c2[0], c2[1], rgb[0], rgb[1], rgb[2], alpha, flags);
4510 }
4511
4512 // float(float number, float quantity) bitshift (EXT_BITSHIFT)
4513 void VM_bitshift (void)
4514 {
4515         int n1, n2;
4516         VM_SAFEPARMCOUNT(2, VM_bitshift);
4517
4518         n1 = (int)fabs((float)((int)PRVM_G_FLOAT(OFS_PARM0)));
4519         n2 = (int)PRVM_G_FLOAT(OFS_PARM1);
4520         if(!n1)
4521                 PRVM_G_FLOAT(OFS_RETURN) = n1;
4522         else
4523         if(n2 < 0)
4524                 PRVM_G_FLOAT(OFS_RETURN) = (n1 >> -n2);
4525         else
4526                 PRVM_G_FLOAT(OFS_RETURN) = (n1 << n2);
4527 }
4528
4529 ////////////////////////////////////////
4530 // AltString functions
4531 ////////////////////////////////////////
4532
4533 /*
4534 ========================
4535 VM_altstr_count
4536
4537 float altstr_count(string)
4538 ========================
4539 */
4540 void VM_altstr_count( void )
4541 {
4542         const char *altstr, *pos;
4543         int     count;
4544
4545         VM_SAFEPARMCOUNT( 1, VM_altstr_count );
4546
4547         altstr = PRVM_G_STRING( OFS_PARM0 );
4548         //VM_CheckEmptyString( altstr );
4549
4550         for( count = 0, pos = altstr ; *pos ; pos++ ) {
4551                 if( *pos == '\\' ) {
4552                         if( !*++pos ) {
4553                                 break;
4554                         }
4555                 } else if( *pos == '\'' ) {
4556                         count++;
4557                 }
4558         }
4559
4560         PRVM_G_FLOAT( OFS_RETURN ) = (float) (count / 2);
4561 }
4562
4563 /*
4564 ========================
4565 VM_altstr_prepare
4566
4567 string altstr_prepare(string)
4568 ========================
4569 */
4570 void VM_altstr_prepare( void )
4571 {
4572         char *out;
4573         const char *instr, *in;
4574         int size;
4575         char outstr[VM_STRINGTEMP_LENGTH];
4576
4577         VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
4578
4579         instr = PRVM_G_STRING( OFS_PARM0 );
4580
4581         for( out = outstr, in = instr, size = sizeof(outstr) - 1 ; size && *in ; size--, in++, out++ )
4582                 if( *in == '\'' ) {
4583                         *out++ = '\\';
4584                         *out = '\'';
4585                         size--;
4586                 } else
4587                         *out = *in;
4588         *out = 0;
4589
4590         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4591 }
4592
4593 /*
4594 ========================
4595 VM_altstr_get
4596
4597 string altstr_get(string, float)
4598 ========================
4599 */
4600 void VM_altstr_get( void )
4601 {
4602         const char *altstr, *pos;
4603         char *out;
4604         int count, size;
4605         char outstr[VM_STRINGTEMP_LENGTH];
4606
4607         VM_SAFEPARMCOUNT( 2, VM_altstr_get );
4608
4609         altstr = PRVM_G_STRING( OFS_PARM0 );
4610
4611         count = (int)PRVM_G_FLOAT( OFS_PARM1 );
4612         count = count * 2 + 1;
4613
4614         for( pos = altstr ; *pos && count ; pos++ )
4615                 if( *pos == '\\' ) {
4616                         if( !*++pos )
4617                                 break;
4618                 } else if( *pos == '\'' )
4619                         count--;
4620
4621         if( !*pos ) {
4622                 PRVM_G_INT( OFS_RETURN ) = 0;
4623                 return;
4624         }
4625
4626         for( out = outstr, size = sizeof(outstr) - 1 ; size && *pos ; size--, pos++, out++ )
4627                 if( *pos == '\\' ) {
4628                         if( !*++pos )
4629                                 break;
4630                         *out = *pos;
4631                         size--;
4632                 } else if( *pos == '\'' )
4633                         break;
4634                 else
4635                         *out = *pos;
4636
4637         *out = 0;
4638         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4639 }
4640
4641 /*
4642 ========================
4643 VM_altstr_set
4644
4645 string altstr_set(string altstr, float num, string set)
4646 ========================
4647 */
4648 void VM_altstr_set( void )
4649 {
4650     int num;
4651         const char *altstr, *str;
4652         const char *in;
4653         char *out;
4654         char outstr[VM_STRINGTEMP_LENGTH];
4655
4656         VM_SAFEPARMCOUNT( 3, VM_altstr_set );
4657
4658         altstr = PRVM_G_STRING( OFS_PARM0 );
4659
4660         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4661
4662         str = PRVM_G_STRING( OFS_PARM2 );
4663
4664         out = outstr;
4665         for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
4666                 if( *in == '\\' ) {
4667                         if( !*++in ) {
4668                                 break;
4669                         }
4670                 } else if( *in == '\'' ) {
4671                         num--;
4672                 }
4673
4674         // copy set in
4675         for( ; *str; *out++ = *str++ );
4676         // now jump over the old content
4677         for( ; *in ; in++ )
4678                 if( *in == '\'' || (*in == '\\' && !*++in) )
4679                         break;
4680
4681         strlcpy(out, in, outstr + sizeof(outstr) - out);
4682         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4683 }
4684
4685 /*
4686 ========================
4687 VM_altstr_ins
4688 insert after num
4689 string  altstr_ins(string altstr, float num, string set)
4690 ========================
4691 */
4692 void VM_altstr_ins(void)
4693 {
4694         int num;
4695         const char *set;
4696         const char *in;
4697         char *out;
4698         char outstr[VM_STRINGTEMP_LENGTH];
4699
4700         VM_SAFEPARMCOUNT(3, VM_altstr_ins);
4701
4702         in = PRVM_G_STRING( OFS_PARM0 );
4703         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4704         set = PRVM_G_STRING( OFS_PARM2 );
4705
4706         out = outstr;
4707         for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
4708                 if( *in == '\\' ) {
4709                         if( !*++in ) {
4710                                 break;
4711                         }
4712                 } else if( *in == '\'' ) {
4713                         num--;
4714                 }
4715
4716         *out++ = '\'';
4717         for( ; *set ; *out++ = *set++ );
4718         *out++ = '\'';
4719
4720         strlcpy(out, in, outstr + sizeof(outstr) - out);
4721         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4722 }
4723
4724
4725 ////////////////////////////////////////
4726 // BufString functions
4727 ////////////////////////////////////////
4728 //[515]: string buffers support
4729
4730 static size_t stringbuffers_sortlength;
4731
4732 static void BufStr_Expand(prvm_stringbuffer_t *stringbuffer, int strindex)
4733 {
4734         if (stringbuffer->max_strings <= strindex)
4735         {
4736                 char **oldstrings = stringbuffer->strings;
4737                 stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
4738                 while (stringbuffer->max_strings <= strindex)
4739                         stringbuffer->max_strings *= 2;
4740                 stringbuffer->strings = (char **) Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
4741                 if (stringbuffer->num_strings > 0)
4742                         memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
4743                 if (oldstrings)
4744                         Mem_Free(oldstrings);
4745         }
4746 }
4747
4748 static void BufStr_Shrink(prvm_stringbuffer_t *stringbuffer)
4749 {
4750         // reduce num_strings if there are empty string slots at the end
4751         while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
4752                 stringbuffer->num_strings--;
4753
4754         // if empty, free the string pointer array
4755         if (stringbuffer->num_strings == 0)
4756         {
4757                 stringbuffer->max_strings = 0;
4758                 if (stringbuffer->strings)
4759                         Mem_Free(stringbuffer->strings);
4760                 stringbuffer->strings = NULL;
4761         }
4762 }
4763
4764 static int BufStr_SortStringsUP (const void *in1, const void *in2)
4765 {
4766         const char *a, *b;
4767         a = *((const char **) in1);
4768         b = *((const char **) in2);
4769         if(!a || !a[0]) return 1;
4770         if(!b || !b[0]) return -1;
4771         return strncmp(a, b, stringbuffers_sortlength);
4772 }
4773
4774 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
4775 {
4776         const char *a, *b;
4777         a = *((const char **) in1);
4778         b = *((const char **) in2);
4779         if(!a || !a[0]) return 1;
4780         if(!b || !b[0]) return -1;
4781         return strncmp(b, a, stringbuffers_sortlength);
4782 }
4783
4784 /*
4785 ========================
4786 VM_buf_create
4787 creates new buffer, and returns it's index, returns -1 if failed
4788 float buf_create(void) = #460;
4789 float newbuf(string format, float flags) = #460;
4790 ========================
4791 */
4792
4793 void VM_buf_create (void)
4794 {
4795         prvm_stringbuffer_t *stringbuffer;
4796         int i;
4797
4798         VM_SAFEPARMCOUNTRANGE(0, 2, VM_buf_create);
4799
4800         // VorteX: optional parm1 (buffer format) is unfinished, to keep intact with future databuffers extension must be set to "string"
4801         if(prog->argc >= 1 && strcmp(PRVM_G_STRING(OFS_PARM0), "string"))
4802         {
4803                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4804                 return;
4805         }
4806         stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4807         for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4808         stringbuffer->origin = PRVM_AllocationOrigin();
4809         // optional flags parm
4810         if (prog->argc >= 2)
4811                 stringbuffer->flags = (int)PRVM_G_FLOAT(OFS_PARM1) & 0xFF;
4812         PRVM_G_FLOAT(OFS_RETURN) = i;
4813 }
4814
4815
4816
4817 /*
4818 ========================
4819 VM_buf_del
4820 deletes buffer and all strings in it
4821 void buf_del(float bufhandle) = #461;
4822 ========================
4823 */
4824 void VM_buf_del (void)
4825 {
4826         prvm_stringbuffer_t *stringbuffer;
4827         VM_SAFEPARMCOUNT(1, VM_buf_del);
4828         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4829         if (stringbuffer)
4830         {
4831                 int i;
4832                 for (i = 0;i < stringbuffer->num_strings;i++)
4833                         if (stringbuffer->strings[i])
4834                                 Mem_Free(stringbuffer->strings[i]);
4835                 if (stringbuffer->strings)
4836                         Mem_Free(stringbuffer->strings);
4837                 if(stringbuffer->origin)
4838                         PRVM_Free((char *)stringbuffer->origin);
4839                 Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
4840         }
4841         else
4842         {
4843                 VM_Warning("VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4844                 return;
4845         }
4846 }
4847
4848 /*
4849 ========================
4850 VM_buf_getsize
4851 how many strings are stored in buffer
4852 float buf_getsize(float bufhandle) = #462;
4853 ========================
4854 */
4855 void VM_buf_getsize (void)
4856 {
4857         prvm_stringbuffer_t *stringbuffer;
4858         VM_SAFEPARMCOUNT(1, VM_buf_getsize);
4859
4860         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4861         if(!stringbuffer)
4862         {
4863                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4864                 VM_Warning("VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4865                 return;
4866         }
4867         else
4868                 PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
4869 }
4870
4871 /*
4872 ========================
4873 VM_buf_copy
4874 copy all content from one buffer to another, make sure it exists
4875 void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
4876 ========================
4877 */
4878 void VM_buf_copy (void)
4879 {
4880         prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
4881         int i;
4882         VM_SAFEPARMCOUNT(2, VM_buf_copy);
4883
4884         srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4885         if(!srcstringbuffer)
4886         {
4887                 VM_Warning("VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4888                 return;
4889         }
4890         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4891         if(i == (int)PRVM_G_FLOAT(OFS_PARM0))
4892         {
4893                 VM_Warning("VM_buf_copy: source == destination (%i) in %s\n", i, PRVM_NAME);
4894                 return;
4895         }
4896         dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4897         if(!dststringbuffer)
4898         {
4899                 VM_Warning("VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
4900                 return;
4901         }
4902
4903         for (i = 0;i < dststringbuffer->num_strings;i++)
4904                 if (dststringbuffer->strings[i])
4905                         Mem_Free(dststringbuffer->strings[i]);
4906         if (dststringbuffer->strings)
4907                 Mem_Free(dststringbuffer->strings);
4908         *dststringbuffer = *srcstringbuffer;
4909         if (dststringbuffer->max_strings)
4910                 dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
4911
4912         for (i = 0;i < dststringbuffer->num_strings;i++)
4913         {
4914                 if (srcstringbuffer->strings[i])
4915                 {
4916                         size_t stringlen;
4917                         stringlen = strlen(srcstringbuffer->strings[i]) + 1;
4918                         dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
4919                         memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
4920                 }
4921         }
4922 }
4923
4924 /*
4925 ========================
4926 VM_buf_sort
4927 sort buffer by beginnings of strings (cmplength defaults it's length)
4928 "backward == TRUE" means that sorting goes upside-down
4929 void buf_sort(float bufhandle, float cmplength, float backward) = #464;
4930 ========================
4931 */
4932 void VM_buf_sort (void)
4933 {
4934         prvm_stringbuffer_t *stringbuffer;
4935         VM_SAFEPARMCOUNT(3, VM_buf_sort);
4936
4937         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4938         if(!stringbuffer)
4939         {
4940                 VM_Warning("VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4941                 return;
4942         }
4943         if(stringbuffer->num_strings <= 0)
4944         {
4945                 VM_Warning("VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4946                 return;
4947         }
4948         stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
4949         if(stringbuffers_sortlength <= 0)
4950                 stringbuffers_sortlength = 0x7FFFFFFF;
4951
4952         if(!PRVM_G_FLOAT(OFS_PARM2))
4953                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
4954         else
4955                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
4956
4957         BufStr_Shrink(stringbuffer);
4958 }
4959
4960 /*
4961 ========================
4962 VM_buf_implode
4963 concantenates all buffer string into one with "glue" separator and returns it as tempstring
4964 string buf_implode(float bufhandle, string glue) = #465;
4965 ========================
4966 */
4967 void VM_buf_implode (void)
4968 {
4969         prvm_stringbuffer_t *stringbuffer;
4970         char                    k[VM_STRINGTEMP_LENGTH];
4971         const char              *sep;
4972         int                             i;
4973         size_t                  l;
4974         VM_SAFEPARMCOUNT(2, VM_buf_implode);
4975
4976         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4977         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4978         if(!stringbuffer)
4979         {
4980                 VM_Warning("VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4981                 return;
4982         }
4983         if(!stringbuffer->num_strings)
4984                 return;
4985         sep = PRVM_G_STRING(OFS_PARM1);
4986         k[0] = 0;
4987         for(l = i = 0;i < stringbuffer->num_strings;i++)
4988         {
4989                 if(stringbuffer->strings[i])
4990                 {
4991                         l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
4992                         if (l >= sizeof(k) - 1)
4993                                 break;
4994                         strlcat(k, sep, sizeof(k));
4995                         strlcat(k, stringbuffer->strings[i], sizeof(k));
4996                 }
4997         }
4998         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(k);
4999 }
5000
5001 /*
5002 ========================
5003 VM_bufstr_get
5004 get a string from buffer, returns tempstring, dont str_unzone it!
5005 string bufstr_get(float bufhandle, float string_index) = #465;
5006 ========================
5007 */
5008 void VM_bufstr_get (void)
5009 {
5010         prvm_stringbuffer_t *stringbuffer;
5011         int                             strindex;
5012         VM_SAFEPARMCOUNT(2, VM_bufstr_get);
5013
5014         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
5015         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5016         if(!stringbuffer)
5017         {
5018                 VM_Warning("VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5019                 return;
5020         }
5021         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
5022         if (strindex < 0)
5023         {
5024                 // VM_Warning("VM_bufstr_get: invalid string index %i used in %s\n", strindex, PRVM_NAME);
5025                 return;
5026         }
5027         if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
5028                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(stringbuffer->strings[strindex]);
5029 }
5030
5031 /*
5032 ========================
5033 VM_bufstr_set
5034 copies a string into selected slot of buffer
5035 void bufstr_set(float bufhandle, float string_index, string str) = #466;
5036 ========================
5037 */
5038 void VM_bufstr_set (void)
5039 {
5040         size_t alloclen;
5041         int                             strindex;
5042         prvm_stringbuffer_t *stringbuffer;
5043         const char              *news;
5044
5045         VM_SAFEPARMCOUNT(3, VM_bufstr_set);
5046
5047         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5048         if(!stringbuffer)
5049         {
5050                 VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5051                 return;
5052         }
5053         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
5054         if(strindex < 0 || strindex >= 1000000) // huge number of strings
5055         {
5056                 VM_Warning("VM_bufstr_set: invalid string index %i used in %s\n", strindex, PRVM_NAME);
5057                 return;
5058         }
5059
5060         BufStr_Expand(stringbuffer, strindex);
5061         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5062
5063         if(stringbuffer->strings[strindex])
5064                 Mem_Free(stringbuffer->strings[strindex]);
5065         stringbuffer->strings[strindex] = NULL;
5066
5067         if(PRVM_G_INT(OFS_PARM2))
5068         {
5069                 // not the NULL string!
5070                 news = PRVM_G_STRING(OFS_PARM2);
5071                 alloclen = strlen(news) + 1;
5072                 stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5073                 memcpy(stringbuffer->strings[strindex], news, alloclen);
5074         }
5075
5076         BufStr_Shrink(stringbuffer);
5077 }
5078
5079 /*
5080 ========================
5081 VM_bufstr_add
5082 adds string to buffer in first free slot and returns its index
5083 "order == TRUE" means that string will be added after last "full" slot
5084 float bufstr_add(float bufhandle, string str, float order) = #467;
5085 ========================
5086 */
5087 void VM_bufstr_add (void)
5088 {
5089         int                             order, strindex;
5090         prvm_stringbuffer_t *stringbuffer;
5091         const char              *string;
5092         size_t                  alloclen;
5093
5094         VM_SAFEPARMCOUNT(3, VM_bufstr_add);
5095
5096         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5097         PRVM_G_FLOAT(OFS_RETURN) = -1;
5098         if(!stringbuffer)
5099         {
5100                 VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5101                 return;
5102         }
5103         if(!PRVM_G_INT(OFS_PARM1)) // NULL string
5104         {
5105                 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);
5106                 return;
5107         }
5108         string = PRVM_G_STRING(OFS_PARM1);
5109         order = (int)PRVM_G_FLOAT(OFS_PARM2);
5110         if(order)
5111                 strindex = stringbuffer->num_strings;
5112         else
5113                 for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
5114                         if (stringbuffer->strings[strindex] == NULL)
5115                                 break;
5116
5117         BufStr_Expand(stringbuffer, strindex);
5118
5119         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5120         alloclen = strlen(string) + 1;
5121         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5122         memcpy(stringbuffer->strings[strindex], string, alloclen);
5123
5124         PRVM_G_FLOAT(OFS_RETURN) = strindex;
5125 }
5126
5127 /*
5128 ========================
5129 VM_bufstr_free
5130 delete string from buffer
5131 void bufstr_free(float bufhandle, float string_index) = #468;
5132 ========================
5133 */
5134 void VM_bufstr_free (void)
5135 {
5136         int                             i;
5137         prvm_stringbuffer_t     *stringbuffer;
5138         VM_SAFEPARMCOUNT(2, VM_bufstr_free);
5139
5140         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5141         if(!stringbuffer)
5142         {
5143                 VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5144                 return;
5145         }
5146         i = (int)PRVM_G_FLOAT(OFS_PARM1);
5147         if(i < 0)
5148         {
5149                 VM_Warning("VM_bufstr_free: invalid string index %i used in %s\n", i, PRVM_NAME);
5150                 return;
5151         }
5152
5153         if (i < stringbuffer->num_strings)
5154         {
5155                 if(stringbuffer->strings[i])
5156                         Mem_Free(stringbuffer->strings[i]);
5157                 stringbuffer->strings[i] = NULL;
5158         }
5159
5160         BufStr_Shrink(stringbuffer);
5161 }
5162
5163
5164
5165
5166
5167
5168
5169 void VM_buf_cvarlist(void)
5170 {
5171         cvar_t *cvar;
5172         const char *partial, *antipartial;
5173         size_t len, antilen;
5174         size_t alloclen;
5175         qboolean ispattern, antiispattern;
5176         int n;
5177         prvm_stringbuffer_t     *stringbuffer;
5178         VM_SAFEPARMCOUNTRANGE(2, 3, VM_buf_cvarlist);
5179
5180         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5181         if(!stringbuffer)
5182         {
5183                 VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5184                 return;
5185         }
5186
5187         partial = PRVM_G_STRING(OFS_PARM1);
5188         if(!partial)
5189                 len = 0;
5190         else
5191                 len = strlen(partial);
5192
5193         if(prog->argc == 3)
5194                 antipartial = PRVM_G_STRING(OFS_PARM2);
5195         else
5196                 antipartial = NULL;
5197         if(!antipartial)
5198                 antilen = 0;
5199         else
5200                 antilen = strlen(antipartial);
5201
5202         for (n = 0;n < stringbuffer->num_strings;n++)
5203                 if (stringbuffer->strings[n])
5204                         Mem_Free(stringbuffer->strings[n]);
5205         if (stringbuffer->strings)
5206                 Mem_Free(stringbuffer->strings);
5207         stringbuffer->strings = NULL;
5208
5209         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
5210         antiispattern = antipartial && (strchr(antipartial, '*') || strchr(antipartial, '?'));
5211
5212         n = 0;
5213         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5214         {
5215                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5216                         continue;
5217
5218                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5219                         continue;
5220
5221                 ++n;
5222         }
5223
5224         stringbuffer->max_strings = stringbuffer->num_strings = n;
5225         if (stringbuffer->max_strings)
5226                 stringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(stringbuffer->strings[0]) * stringbuffer->max_strings);
5227
5228         n = 0;
5229         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5230         {
5231                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5232                         continue;
5233
5234                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5235                         continue;
5236
5237                 alloclen = strlen(cvar->name) + 1;
5238                 stringbuffer->strings[n] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5239                 memcpy(stringbuffer->strings[n], cvar->name, alloclen);
5240
5241                 ++n;
5242         }
5243 }
5244
5245
5246
5247
5248 //=============
5249
5250 /*
5251 ==============
5252 VM_changeyaw
5253
5254 This was a major timewaster in progs, so it was converted to C
5255 ==============
5256 */
5257 void VM_changeyaw (void)
5258 {
5259         prvm_edict_t            *ent;
5260         float           ideal, current, move, speed;
5261
5262         // this is called (VERY HACKISHLY) by SV_MoveToGoal, so it can not use any
5263         // parameters because they are the parameters to SV_MoveToGoal, not this
5264         //VM_SAFEPARMCOUNT(0, VM_changeyaw);
5265
5266         ent = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
5267         if (ent == prog->edicts)
5268         {
5269                 VM_Warning("changeyaw: can not modify world entity\n");
5270                 return;
5271         }
5272         if (ent->priv.server->free)
5273         {
5274                 VM_Warning("changeyaw: can not modify free entity\n");
5275                 return;
5276         }
5277         if (prog->fieldoffsets.angles < 0 || prog->fieldoffsets.ideal_yaw < 0 || prog->fieldoffsets.yaw_speed < 0)
5278         {
5279                 VM_Warning("changeyaw: angles, ideal_yaw, or yaw_speed field(s) not found\n");
5280                 return;
5281         }
5282         current = ANGLEMOD(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[1]);
5283         ideal = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.ideal_yaw)->_float;
5284         speed = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.yaw_speed)->_float;
5285
5286         if (current == ideal)
5287                 return;
5288         move = ideal - current;
5289         if (ideal > current)
5290         {
5291                 if (move >= 180)
5292                         move = move - 360;
5293         }
5294         else
5295         {
5296                 if (move <= -180)
5297                         move = move + 360;
5298         }
5299         if (move > 0)
5300         {
5301                 if (move > speed)
5302                         move = speed;
5303         }
5304         else
5305         {
5306                 if (move < -speed)
5307                         move = -speed;
5308         }
5309
5310         PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[1] = ANGLEMOD (current + move);
5311 }
5312
5313 /*
5314 ==============
5315 VM_changepitch
5316 ==============
5317 */
5318 void VM_changepitch (void)
5319 {
5320         prvm_edict_t            *ent;
5321         float           ideal, current, move, speed;
5322
5323         VM_SAFEPARMCOUNT(1, VM_changepitch);
5324
5325         ent = PRVM_G_EDICT(OFS_PARM0);
5326         if (ent == prog->edicts)
5327         {
5328                 VM_Warning("changepitch: can not modify world entity\n");
5329                 return;
5330         }
5331         if (ent->priv.server->free)
5332         {
5333                 VM_Warning("changepitch: can not modify free entity\n");
5334                 return;
5335         }
5336         if (prog->fieldoffsets.angles < 0 || prog->fieldoffsets.idealpitch < 0 || prog->fieldoffsets.pitch_speed < 0)
5337         {
5338                 VM_Warning("changepitch: angles, idealpitch, or pitch_speed field(s) not found\n");
5339                 return;
5340         }
5341         current = ANGLEMOD(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0]);
5342         ideal = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.idealpitch)->_float;
5343         speed = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pitch_speed)->_float;
5344
5345         if (current == ideal)
5346                 return;
5347         move = ideal - current;
5348         if (ideal > current)
5349         {
5350                 if (move >= 180)
5351                         move = move - 360;
5352         }
5353         else
5354         {
5355                 if (move <= -180)
5356                         move = move + 360;
5357         }
5358         if (move > 0)
5359         {
5360                 if (move > speed)
5361                         move = speed;
5362         }
5363         else
5364         {
5365                 if (move < -speed)
5366                         move = -speed;
5367         }
5368
5369         PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0] = ANGLEMOD (current + move);
5370 }
5371
5372
5373 void VM_uncolorstring (void)
5374 {
5375         char szNewString[VM_STRINGTEMP_LENGTH];
5376         const char *szString;
5377
5378         // Prepare Strings
5379         VM_SAFEPARMCOUNT(1, VM_uncolorstring);
5380         szString = PRVM_G_STRING(OFS_PARM0);
5381         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
5382         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
5383
5384 }
5385
5386 // #221 float(string str, string sub[, float startpos]) strstrofs (FTE_STRINGS)
5387 //strstr, without generating a new string. Use in conjunction with FRIK_FILE's substring for more similar strstr.
5388 void VM_strstrofs (void)
5389 {
5390         const char *instr, *match;
5391         int firstofs;
5392         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strstrofs);
5393         instr = PRVM_G_STRING(OFS_PARM0);
5394         match = PRVM_G_STRING(OFS_PARM1);
5395         firstofs = (prog->argc > 2)?(int)PRVM_G_FLOAT(OFS_PARM2):0;
5396         firstofs = u8_bytelen(instr, firstofs);
5397
5398         if (firstofs && (firstofs < 0 || firstofs > (int)strlen(instr)))
5399         {
5400                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5401                 return;
5402         }
5403
5404         match = strstr(instr+firstofs, match);
5405         if (!match)
5406                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5407         else
5408                 PRVM_G_FLOAT(OFS_RETURN) = u8_strnlen(instr, match-instr);
5409 }
5410
5411 //#222 string(string s, float index) str2chr (FTE_STRINGS)
5412 void VM_str2chr (void)
5413 {
5414         const char *s;
5415         Uchar ch;
5416         int index;
5417         VM_SAFEPARMCOUNT(2, VM_str2chr);
5418         s = PRVM_G_STRING(OFS_PARM0);
5419         index = u8_bytelen(s, (int)PRVM_G_FLOAT(OFS_PARM1));
5420
5421         if((unsigned)index < strlen(s))
5422         {
5423                 if (utf8_enable.integer)
5424                         ch = u8_getchar_noendptr(s + index);
5425                 else
5426                         ch = (unsigned char)s[index];
5427                 PRVM_G_FLOAT(OFS_RETURN) = ch;
5428         }
5429         else
5430                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5431 }
5432
5433 //#223 string(float c, ...) chr2str (FTE_STRINGS)
5434 void VM_chr2str (void)
5435 {
5436         /*
5437         char    t[9];
5438         int             i;
5439         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5440         for(i = 0;i < prog->argc && i < (int)sizeof(t) - 1;i++)
5441                 t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
5442         t[i] = 0;
5443         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
5444         */
5445         char t[9 * 4 + 1];
5446         int i;
5447         size_t len = 0;
5448         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5449         for(i = 0; i < prog->argc && len < sizeof(t)-1; ++i)
5450                 len += u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0+i*3), t + len, sizeof(t)-1);
5451         t[len] = 0;
5452         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
5453 }
5454
5455 static int chrconv_number(int i, int base, int conv)
5456 {
5457         i -= base;
5458         switch (conv)
5459         {
5460         default:
5461         case 5:
5462         case 6:
5463         case 0:
5464                 break;
5465         case 1:
5466                 base = '0';
5467                 break;
5468         case 2:
5469                 base = '0'+128;
5470                 break;
5471         case 3:
5472                 base = '0'-30;
5473                 break;
5474         case 4:
5475                 base = '0'+128-30;
5476                 break;
5477         }
5478         return i + base;
5479 }
5480 static int chrconv_punct(int i, int base, int conv)
5481 {
5482         i -= base;
5483         switch (conv)
5484         {
5485         default:
5486         case 0:
5487                 break;
5488         case 1:
5489                 base = 0;
5490                 break;
5491         case 2:
5492                 base = 128;
5493                 break;
5494         }
5495         return i + base;
5496 }
5497
5498 static int chrchar_alpha(int i, int basec, int baset, int convc, int convt, int charnum)
5499 {
5500         //convert case and colour seperatly...
5501
5502         i -= baset + basec;
5503         switch (convt)
5504         {
5505         default:
5506         case 0:
5507                 break;
5508         case 1:
5509                 baset = 0;
5510                 break;
5511         case 2:
5512                 baset = 128;
5513                 break;
5514
5515         case 5:
5516         case 6:
5517                 baset = 128*((charnum&1) == (convt-5));
5518                 break;
5519         }
5520
5521         switch (convc)
5522         {
5523         default:
5524         case 0:
5525                 break;
5526         case 1:
5527                 basec = 'a';
5528                 break;
5529         case 2:
5530                 basec = 'A';
5531                 break;
5532         }
5533         return i + basec + baset;
5534 }
5535 // #224 string(float ccase, float calpha, float cnum, string s, ...) strconv (FTE_STRINGS)
5536 //bulk convert a string. change case or colouring.
5537 void VM_strconv (void)
5538 {
5539         int ccase, redalpha, rednum, len, i;
5540         unsigned char resbuf[VM_STRINGTEMP_LENGTH];
5541         unsigned char *result = resbuf;
5542
5543         VM_SAFEPARMCOUNTRANGE(3, 8, VM_strconv);
5544
5545         ccase = (int) PRVM_G_FLOAT(OFS_PARM0);  //0 same, 1 lower, 2 upper
5546         redalpha = (int) PRVM_G_FLOAT(OFS_PARM1);       //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
5547         rednum = (int) PRVM_G_FLOAT(OFS_PARM2); //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
5548         VM_VarString(3, (char *) resbuf, sizeof(resbuf));
5549         len = strlen((char *) resbuf);
5550
5551         for (i = 0; i < len; i++, result++)     //should this be done backwards?
5552         {
5553                 if (*result >= '0' && *result <= '9')   //normal numbers...
5554                         *result = chrconv_number(*result, '0', rednum);
5555                 else if (*result >= '0'+128 && *result <= '9'+128)
5556                         *result = chrconv_number(*result, '0'+128, rednum);
5557                 else if (*result >= '0'+128-30 && *result <= '9'+128-30)
5558                         *result = chrconv_number(*result, '0'+128-30, rednum);
5559                 else if (*result >= '0'-30 && *result <= '9'-30)
5560                         *result = chrconv_number(*result, '0'-30, rednum);
5561
5562                 else if (*result >= 'a' && *result <= 'z')      //normal numbers...
5563                         *result = chrchar_alpha(*result, 'a', 0, ccase, redalpha, i);
5564                 else if (*result >= 'A' && *result <= 'Z')      //normal numbers...
5565                         *result = chrchar_alpha(*result, 'A', 0, ccase, redalpha, i);
5566                 else if (*result >= 'a'+128 && *result <= 'z'+128)      //normal numbers...
5567                         *result = chrchar_alpha(*result, 'a', 128, ccase, redalpha, i);
5568                 else if (*result >= 'A'+128 && *result <= 'Z'+128)      //normal numbers...
5569                         *result = chrchar_alpha(*result, 'A', 128, ccase, redalpha, i);
5570
5571                 else if ((*result & 127) < 16 || !redalpha)     //special chars..
5572                         *result = *result;
5573                 else if (*result < 128)
5574                         *result = chrconv_punct(*result, 0, redalpha);
5575                 else
5576                         *result = chrconv_punct(*result, 128, redalpha);
5577         }
5578         *result = '\0';
5579
5580         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString((char *) resbuf);
5581 }
5582
5583 // #225 string(float chars, string s, ...) strpad (FTE_STRINGS)
5584 void VM_strpad (void)
5585 {
5586         char src[VM_STRINGTEMP_LENGTH];
5587         char destbuf[VM_STRINGTEMP_LENGTH];
5588         int pad;
5589         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strpad);
5590         pad = (int) PRVM_G_FLOAT(OFS_PARM0);
5591         VM_VarString(1, src, sizeof(src));
5592
5593         // note: < 0 = left padding, > 0 = right padding,
5594         // this is reverse logic of printf!
5595         dpsnprintf(destbuf, sizeof(destbuf), "%*s", -pad, src);
5596
5597         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(destbuf);
5598 }
5599
5600 // #226 string(string info, string key, string value, ...) infoadd (FTE_STRINGS)
5601 //uses qw style \key\value strings
5602 void VM_infoadd (void)
5603 {
5604         const char *info, *key;
5605         char value[VM_STRINGTEMP_LENGTH];
5606         char temp[VM_STRINGTEMP_LENGTH];
5607
5608         VM_SAFEPARMCOUNTRANGE(2, 8, VM_infoadd);
5609         info = PRVM_G_STRING(OFS_PARM0);
5610         key = PRVM_G_STRING(OFS_PARM1);
5611         VM_VarString(2, value, sizeof(value));
5612
5613         strlcpy(temp, info, VM_STRINGTEMP_LENGTH);
5614
5615         InfoString_SetValue(temp, VM_STRINGTEMP_LENGTH, key, value);
5616
5617         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(temp);
5618 }
5619
5620 // #227 string(string info, string key) infoget (FTE_STRINGS)
5621 //uses qw style \key\value strings
5622 void VM_infoget (void)
5623 {
5624         const char *info;
5625         const char *key;
5626         char value[VM_STRINGTEMP_LENGTH];
5627
5628         VM_SAFEPARMCOUNT(2, VM_infoget);
5629         info = PRVM_G_STRING(OFS_PARM0);
5630         key = PRVM_G_STRING(OFS_PARM1);
5631
5632         InfoString_GetValue(info, key, value, VM_STRINGTEMP_LENGTH);
5633
5634         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(value);
5635 }
5636
5637 //#228 float(string s1, string s2, float len) strncmp (FTE_STRINGS)
5638 // also float(string s1, string s2) strcmp (FRIK_FILE)
5639 void VM_strncmp (void)
5640 {
5641         const char *s1, *s2;
5642         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncmp);
5643         s1 = PRVM_G_STRING(OFS_PARM0);
5644         s2 = PRVM_G_STRING(OFS_PARM1);
5645         if (prog->argc > 2)
5646         {
5647                 PRVM_G_FLOAT(OFS_RETURN) = strncmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5648         }
5649         else
5650         {
5651                 PRVM_G_FLOAT(OFS_RETURN) = strcmp(s1, s2);
5652         }
5653 }
5654
5655 // #229 float(string s1, string s2) strcasecmp (FTE_STRINGS)
5656 // #230 float(string s1, string s2, float len) strncasecmp (FTE_STRINGS)
5657 void VM_strncasecmp (void)
5658 {
5659         const char *s1, *s2;
5660         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncasecmp);
5661         s1 = PRVM_G_STRING(OFS_PARM0);
5662         s2 = PRVM_G_STRING(OFS_PARM1);
5663         if (prog->argc > 2)
5664         {
5665                 PRVM_G_FLOAT(OFS_RETURN) = strncasecmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5666         }
5667         else
5668         {
5669                 PRVM_G_FLOAT(OFS_RETURN) = strcasecmp(s1, s2);
5670         }
5671 }
5672
5673 // #494 float(float caseinsensitive, string s, ...) crc16
5674 void VM_crc16(void)
5675 {
5676         float insensitive;
5677         static char s[VM_STRINGTEMP_LENGTH];
5678         VM_SAFEPARMCOUNTRANGE(2, 8, VM_hash);
5679         insensitive = PRVM_G_FLOAT(OFS_PARM0);
5680         VM_VarString(1, s, sizeof(s));
5681         PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
5682 }
5683
5684 void VM_wasfreed (void)
5685 {
5686         VM_SAFEPARMCOUNT(1, VM_wasfreed);
5687         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICT(OFS_PARM0)->priv.required->free;
5688 }
5689
5690 void VM_SetTraceGlobals(const trace_t *trace)
5691 {
5692         prvm_eval_t *val;
5693         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_allsolid)))
5694                 val->_float = trace->allsolid;
5695         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_startsolid)))
5696                 val->_float = trace->startsolid;
5697         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_fraction)))
5698                 val->_float = trace->fraction;
5699         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inwater)))
5700                 val->_float = trace->inwater;
5701         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inopen)))
5702                 val->_float = trace->inopen;
5703         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos)))
5704                 VectorCopy(trace->endpos, val->vector);
5705         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_normal)))
5706                 VectorCopy(trace->plane.normal, val->vector);
5707         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_dist)))
5708                 val->_float = trace->plane.dist;
5709         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_ent)))
5710                 val->edict = PRVM_EDICT_TO_PROG(trace->ent ? trace->ent : prog->edicts);
5711         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
5712                 val->_float = trace->startsupercontents;
5713         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
5714                 val->_float = trace->hitsupercontents;
5715         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
5716                 val->_float = trace->hitq3surfaceflags;
5717         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
5718                 val->string = trace->hittexture ? PRVM_SetTempString(trace->hittexture->name) : 0;
5719 }
5720
5721 void VM_ClearTraceGlobals(void)
5722 {
5723         // clean up all trace globals when leaving the VM (anti-triggerbot safeguard)
5724         prvm_eval_t *val;
5725         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_allsolid)))
5726                 val->_float = 0;
5727         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_startsolid)))
5728                 val->_float = 0;
5729         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_fraction)))
5730                 val->_float = 0;
5731         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inwater)))
5732                 val->_float = 0;
5733         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inopen)))
5734                 val->_float = 0;
5735         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos)))
5736                 VectorClear(val->vector);
5737         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_normal)))
5738                 VectorClear(val->vector);
5739         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_dist)))
5740                 val->_float = 0;
5741         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_ent)))
5742                 val->edict = PRVM_EDICT_TO_PROG(prog->edicts);
5743         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
5744                 val->_float = 0;
5745         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
5746                 val->_float = 0;
5747         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
5748                 val->_float = 0;
5749         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
5750                 val->string = 0;
5751 }
5752
5753 //=============
5754
5755 void VM_Cmd_Init(void)
5756 {
5757         // only init the stuff for the current prog
5758         VM_Files_Init();
5759         VM_Search_Init();
5760         VM_Gecko_Init();
5761 //      VM_BufStr_Init();
5762 }
5763
5764 void VM_Cmd_Reset(void)
5765 {
5766         CL_PurgeOwner( MENUOWNER );
5767         VM_Search_Reset();
5768         VM_Files_CloseAll();
5769         VM_Gecko_Destroy();
5770 //      VM_BufStr_ShutDown();
5771 }
5772
5773 // #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
5774 // does URI escaping on a string (replace evil stuff by %AB escapes)
5775 void VM_uri_escape (void)
5776 {
5777         char src[VM_STRINGTEMP_LENGTH];
5778         char dest[VM_STRINGTEMP_LENGTH];
5779         char *p, *q;
5780         static const char *hex = "0123456789ABCDEF";
5781
5782         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
5783         VM_VarString(0, src, sizeof(src));
5784
5785         for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
5786         {
5787                 if((*p >= 'A' && *p <= 'Z')
5788                         || (*p >= 'a' && *p <= 'z')
5789                         || (*p >= '0' && *p <= '9')
5790                         || (*p == '-')  || (*p == '_') || (*p == '.')
5791                         || (*p == '!')  || (*p == '~')
5792                         || (*p == '\'') || (*p == '(') || (*p == ')'))
5793                         *q++ = *p;
5794                 else
5795                 {
5796                         *q++ = '%';
5797                         *q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
5798                         *q++ = hex[ *(unsigned char *)p       & 0xF];
5799                 }
5800         }
5801         *q++ = 0;
5802
5803         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
5804 }
5805
5806 // #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
5807 // does URI unescaping on a string (get back the evil stuff)
5808 void VM_uri_unescape (void)
5809 {
5810         char src[VM_STRINGTEMP_LENGTH];
5811         char dest[VM_STRINGTEMP_LENGTH];
5812         char *p, *q;
5813         int hi, lo;
5814
5815         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
5816         VM_VarString(0, src, sizeof(src));
5817
5818         for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
5819         {
5820                 if(*p == '%')
5821                 {
5822                         if(p[1] >= '0' && p[1] <= '9')
5823                                 hi = p[1] - '0';
5824                         else if(p[1] >= 'a' && p[1] <= 'f')
5825                                 hi = p[1] - 'a' + 10;
5826                         else if(p[1] >= 'A' && p[1] <= 'F')
5827                                 hi = p[1] - 'A' + 10;
5828                         else
5829                                 goto nohex;
5830                         if(p[2] >= '0' && p[2] <= '9')
5831                                 lo = p[2] - '0';
5832                         else if(p[2] >= 'a' && p[2] <= 'f')
5833                                 lo = p[2] - 'a' + 10;
5834                         else if(p[2] >= 'A' && p[2] <= 'F')
5835                                 lo = p[2] - 'A' + 10;
5836                         else
5837                                 goto nohex;
5838                         if(hi != 0 || lo != 0) // don't unescape NUL bytes
5839                                 *q++ = (char) (hi * 0x10 + lo);
5840                         p += 3;
5841                         continue;
5842                 }
5843
5844 nohex:
5845                 // otherwise:
5846                 *q++ = *p++;
5847         }
5848         *q++ = 0;
5849
5850         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
5851 }
5852
5853 // #502 string(string filename) whichpack (DP_QC_WHICHPACK)
5854 // returns the name of the pack containing a file, or "" if it is not in any pack (but local or non-existant)
5855 void VM_whichpack (void)
5856 {
5857         const char *fn, *pack;
5858
5859         VM_SAFEPARMCOUNT(1, VM_whichpack);
5860         fn = PRVM_G_STRING(OFS_PARM0);
5861         pack = FS_WhichPack(fn);
5862
5863         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(pack ? pack : "");
5864 }
5865
5866 typedef struct
5867 {
5868         int prognr;
5869         double starttime;
5870         float id;
5871         char buffer[MAX_INPUTLINE];
5872         unsigned char *postdata; // free when uri_to_prog_t is freed
5873         size_t postlen;
5874         char *sigdata; // free when uri_to_prog_t is freed
5875         size_t siglen;
5876 }
5877 uri_to_prog_t;
5878
5879 static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
5880 {
5881         uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
5882
5883         if(!PRVM_ProgLoaded(handle->prognr))
5884         {
5885                 // curl reply came too late... so just drop it
5886                 if(handle->postdata)
5887                         Z_Free(handle->postdata);
5888                 if(handle->sigdata)
5889                         Z_Free(handle->sigdata);
5890                 Z_Free(handle);
5891                 return;
5892         }
5893
5894         PRVM_SetProg(handle->prognr);
5895         PRVM_Begin;
5896                 if((prog->starttime == handle->starttime) && (prog->funcoffsets.URI_Get_Callback))
5897                 {
5898                         if(length_received >= sizeof(handle->buffer))
5899                                 length_received = sizeof(handle->buffer) - 1;
5900                         handle->buffer[length_received] = 0;
5901
5902                         PRVM_G_FLOAT(OFS_PARM0) = handle->id;
5903                         PRVM_G_FLOAT(OFS_PARM1) = status;
5904                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(handle->buffer);
5905                         PRVM_ExecuteProgram(prog->funcoffsets.URI_Get_Callback, "QC function URI_Get_Callback is missing");
5906                 }
5907         PRVM_End;
5908
5909         if(handle->postdata)
5910                 Z_Free(handle->postdata);
5911         if(handle->sigdata)
5912                 Z_Free(handle->sigdata);
5913         Z_Free(handle);
5914 }
5915
5916 // 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
5917 // 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
5918 void VM_uri_get (void)
5919 {
5920         const char *url;
5921         float id;
5922         qboolean ret;
5923         uri_to_prog_t *handle;
5924         const char *posttype = NULL;
5925         const char *postseparator = NULL;
5926         int poststringbuffer = -1;
5927         int postkeyid = -1;
5928         const char *query_string = NULL;
5929         size_t lq;
5930
5931         if(!prog->funcoffsets.URI_Get_Callback)
5932                 PRVM_ERROR("uri_get called by %s without URI_Get_Callback defined", PRVM_NAME);
5933
5934         VM_SAFEPARMCOUNTRANGE(2, 6, VM_uri_get);
5935
5936         url = PRVM_G_STRING(OFS_PARM0);
5937         id = PRVM_G_FLOAT(OFS_PARM1);
5938         if(prog->argc >= 3)
5939                 posttype = PRVM_G_STRING(OFS_PARM2);
5940         if(prog->argc >= 4)
5941                 postseparator = PRVM_G_STRING(OFS_PARM3);
5942         if(prog->argc >= 5)
5943                 poststringbuffer = PRVM_G_FLOAT(OFS_PARM4);
5944         if(prog->argc >= 6)
5945                 postkeyid = PRVM_G_FLOAT(OFS_PARM5);
5946         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!
5947
5948         query_string = strchr(url, '?');
5949         if(query_string)
5950                 ++query_string;
5951         lq = query_string ? strlen(query_string) : 0;
5952
5953         handle->prognr = PRVM_GetProgNr();
5954         handle->starttime = prog->starttime;
5955         handle->id = id;
5956         if(postseparator)
5957         {
5958                 size_t l = strlen(postseparator);
5959                 if(poststringbuffer >= 0)
5960                 {
5961                         size_t ltotal;
5962                         int i;
5963                         // "implode"
5964                         prvm_stringbuffer_t *stringbuffer;
5965                         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, poststringbuffer);
5966                         if(!stringbuffer)
5967                         {
5968                                 VM_Warning("uri_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5969                                 return;
5970                         }
5971                         ltotal = 0;
5972                         for(i = 0;i < stringbuffer->num_strings;i++)
5973                         {
5974                                 if(i > 0)
5975                                         ltotal += l;
5976                                 if(stringbuffer->strings[i])
5977                                         ltotal += strlen(stringbuffer->strings[i]);
5978                         }
5979                         handle->postdata = (unsigned char *)Z_Malloc(ltotal + 1 + lq);
5980                         handle->postlen = ltotal;
5981                         ltotal = 0;
5982                         for(i = 0;i < stringbuffer->num_strings;i++)
5983                         {
5984                                 if(i > 0)
5985                                 {
5986                                         memcpy(handle->postdata + ltotal, postseparator, l);
5987                                         ltotal += l;
5988                                 }
5989                                 if(stringbuffer->strings[i])
5990                                 {
5991                                         memcpy(handle->postdata + ltotal, stringbuffer->strings[i], strlen(stringbuffer->strings[i]));
5992                                         ltotal += strlen(stringbuffer->strings[i]);
5993                                 }
5994                         }
5995                         if(ltotal != handle->postlen)
5996                                 PRVM_ERROR ("%s: string buffer content size mismatch, possible overrun", PRVM_NAME);
5997                 }
5998                 else
5999                 {
6000                         handle->postdata = (unsigned char *)Z_Malloc(l + 1 + lq);
6001                         handle->postlen = l;
6002                         memcpy(handle->postdata, postseparator, l);
6003                 }
6004                 handle->postdata[handle->postlen] = 0;
6005                 if(query_string)
6006                         memcpy(handle->postdata + handle->postlen + 1, query_string, lq);
6007                 if(postkeyid >= 0)
6008                 {
6009                         // POST: we sign postdata \0 query string
6010                         size_t ll;
6011                         handle->sigdata = (char *)Z_Malloc(8192);
6012                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6013                         l = strlen(handle->sigdata);
6014                         handle->siglen = Crypto_SignDataDetached(handle->postdata, handle->postlen + 1 + lq, postkeyid, handle->sigdata + l, 8192 - l);
6015                         if(!handle->siglen)
6016                         {
6017                                 Z_Free(handle->sigdata);
6018                                 handle->sigdata = NULL;
6019                                 goto out1;
6020                         }
6021                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6022                         if(!ll)
6023                         {
6024                                 Z_Free(handle->sigdata);
6025                                 handle->sigdata = NULL;
6026                                 goto out1;
6027                         }
6028                         handle->siglen = l + ll;
6029                         handle->sigdata[handle->siglen] = 0;
6030                 }
6031 out1:
6032                 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);
6033         }
6034         else
6035         {
6036                 if(postkeyid >= 0 && query_string)
6037                 {
6038                         // GET: we sign JUST the query string
6039                         size_t l, ll;
6040                         handle->sigdata = (char *)Z_Malloc(8192);
6041                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6042                         l = strlen(handle->sigdata);
6043                         handle->siglen = Crypto_SignDataDetached(query_string, lq, postkeyid, handle->sigdata + l, 8192 - l);
6044                         if(!handle->siglen)
6045                         {
6046                                 Z_Free(handle->sigdata);
6047                                 handle->sigdata = NULL;
6048                                 goto out2;
6049                         }
6050                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6051                         if(!ll)
6052                         {
6053                                 Z_Free(handle->sigdata);
6054                                 handle->sigdata = NULL;
6055                                 goto out2;
6056                         }
6057                         handle->siglen = l + ll;
6058                         handle->sigdata[handle->siglen] = 0;
6059                 }
6060 out2:
6061                 handle->postdata = NULL;
6062                 handle->postlen = 0;
6063                 ret = Curl_Begin_ToMemory(url, 0, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
6064         }
6065         if(ret)
6066         {
6067                 PRVM_G_INT(OFS_RETURN) = 1;
6068         }
6069         else
6070         {
6071                 if(handle->postdata)
6072                         Z_Free(handle->postdata);
6073                 if(handle->sigdata)
6074                         Z_Free(handle->sigdata);
6075                 Z_Free(handle);
6076                 PRVM_G_INT(OFS_RETURN) = 0;
6077         }
6078 }
6079
6080 void VM_netaddress_resolve (void)
6081 {
6082         const char *ip;
6083         char normalized[128];
6084         int port;
6085         lhnetaddress_t addr;
6086
6087         VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
6088
6089         ip = PRVM_G_STRING(OFS_PARM0);
6090         port = 0;
6091         if(prog->argc > 1)
6092                 port = (int) PRVM_G_FLOAT(OFS_PARM1);
6093
6094         if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
6095                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(normalized);
6096         else
6097                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
6098 }
6099
6100 //string(void) getextresponse = #624; // returns the next extResponse packet that was sent to this client
6101 void VM_CL_getextresponse (void)
6102 {
6103         VM_SAFEPARMCOUNT(0,VM_argv);
6104
6105         if (cl_net_extresponse_count <= 0)
6106                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6107         else
6108         {
6109                 int first;
6110                 --cl_net_extresponse_count;
6111                 first = (cl_net_extresponse_last + NET_EXTRESPONSE_MAX - cl_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6112                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(cl_net_extresponse[first]);
6113         }
6114 }
6115
6116 void VM_SV_getextresponse (void)
6117 {
6118         VM_SAFEPARMCOUNT(0,VM_argv);
6119
6120         if (sv_net_extresponse_count <= 0)
6121                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6122         else
6123         {
6124                 int first;
6125                 --sv_net_extresponse_count;
6126                 first = (sv_net_extresponse_last + NET_EXTRESPONSE_MAX - sv_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6127                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(sv_net_extresponse[first]);
6128         }
6129 }
6130
6131 /*
6132 =========
6133 Common functions between menu.dat and clsprogs
6134 =========
6135 */
6136
6137 //#349 float() isdemo
6138 void VM_CL_isdemo (void)
6139 {
6140         VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
6141         PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
6142 }
6143
6144 //#355 float() videoplaying
6145 void VM_CL_videoplaying (void)
6146 {
6147         VM_SAFEPARMCOUNT(0, VM_CL_videoplaying);
6148         PRVM_G_FLOAT(OFS_RETURN) = cl_videoplaying;
6149 }
6150
6151 /*
6152 =========
6153 VM_M_callfunction
6154
6155         callfunction(...,string function_name)
6156 Extension: pass
6157 =========
6158 */
6159 mfunction_t *PRVM_ED_FindFunction (const char *name);
6160 void VM_callfunction(void)
6161 {
6162         mfunction_t *func;
6163         const char *s;
6164
6165         VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
6166
6167         s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
6168
6169         VM_CheckEmptyString(s);
6170
6171         func = PRVM_ED_FindFunction(s);
6172
6173         if(!func)
6174                 PRVM_ERROR("VM_callfunciton: function %s not found !", s);
6175         else if (func->first_statement < 0)
6176         {
6177                 // negative statements are built in functions
6178                 int builtinnumber = -func->first_statement;
6179                 prog->xfunction->builtinsprofile++;
6180                 if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
6181                         prog->builtins[builtinnumber]();
6182                 else
6183                         PRVM_ERROR("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, PRVM_NAME);
6184         }
6185         else if(func - prog->functions > 0)
6186         {
6187                 prog->argc--;
6188                 PRVM_ExecuteProgram(func - prog->functions,"");
6189                 prog->argc++;
6190         }
6191 }
6192
6193 /*
6194 =========
6195 VM_isfunction
6196
6197 float   isfunction(string function_name)
6198 =========
6199 */
6200 mfunction_t *PRVM_ED_FindFunction (const char *name);
6201 void VM_isfunction(void)
6202 {
6203         mfunction_t *func;
6204         const char *s;
6205
6206         VM_SAFEPARMCOUNT(1, VM_isfunction);
6207
6208         s = PRVM_G_STRING(OFS_PARM0);
6209
6210         VM_CheckEmptyString(s);
6211
6212         func = PRVM_ED_FindFunction(s);
6213
6214         if(!func)
6215                 PRVM_G_FLOAT(OFS_RETURN) = false;
6216         else
6217                 PRVM_G_FLOAT(OFS_RETURN) = true;
6218 }
6219
6220 /*
6221 =========
6222 VM_sprintf
6223
6224 string sprintf(string format, ...)
6225 =========
6226 */
6227
6228 void VM_sprintf(void)
6229 {
6230         const char *s, *s0;
6231         char outbuf[MAX_INPUTLINE];
6232         char *o = outbuf, *end = outbuf + sizeof(outbuf), *err;
6233         int argpos = 1;
6234         int width, precision, thisarg, flags;
6235         char formatbuf[16];
6236         char *f;
6237         int isfloat;
6238         static int dummyivec[3] = {0, 0, 0};
6239         static float dummyvec[3] = {0, 0, 0};
6240
6241 #define PRINTF_ALTERNATE 1
6242 #define PRINTF_ZEROPAD 2
6243 #define PRINTF_LEFT 4
6244 #define PRINTF_SPACEPOSITIVE 8
6245 #define PRINTF_SIGNPOSITIVE 16
6246
6247         formatbuf[0] = '%';
6248
6249         s = PRVM_G_STRING(OFS_PARM0);
6250
6251 #define GETARG_FLOAT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_FLOAT(OFS_PARM0 + 3 * (a))) : 0)
6252 #define GETARG_VECTOR(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyvec)
6253 #define GETARG_INT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_INT(OFS_PARM0 + 3 * (a))) : 0)
6254 #define GETARG_INTVECTOR(a) (((a)>=1 && (a)<prog->argc) ? ((int*) PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyivec)
6255 #define GETARG_STRING(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_STRING(OFS_PARM0 + 3 * (a))) : "")
6256
6257         for(;;)
6258         {
6259                 s0 = s;
6260                 switch(*s)
6261                 {
6262                         case 0:
6263                                 goto finished;
6264                         case '%':
6265                                 ++s;
6266
6267                                 if(*s == '%')
6268                                         goto verbatim;
6269
6270                                 // complete directive format:
6271                                 // %3$*1$.*2$ld
6272
6273                                 width = -1;
6274                                 precision = -1;
6275                                 thisarg = -1;
6276                                 flags = 0;
6277                                 isfloat = -1;
6278
6279                                 // is number following?
6280                                 if(*s >= '0' && *s <= '9')
6281                                 {
6282                                         width = strtol(s, &err, 10);
6283                                         if(!err)
6284                                         {
6285                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6286                                                 goto finished;
6287                                         }
6288                                         if(*err == '$')
6289                                         {
6290                                                 thisarg = width;
6291                                                 width = -1;
6292                                                 s = err + 1;
6293                                         }
6294                                         else
6295                                         {
6296                                                 if(*s == '0')
6297                                                 {
6298                                                         flags |= PRINTF_ZEROPAD;
6299                                                         if(width == 0)
6300                                                                 width = -1; // it was just a flag
6301                                                 }
6302                                                 s = err;
6303                                         }
6304                                 }
6305
6306                                 if(width < 0)
6307                                 {
6308                                         for(;;)
6309                                         {
6310                                                 switch(*s)
6311                                                 {
6312                                                         case '#': flags |= PRINTF_ALTERNATE; break;
6313                                                         case '0': flags |= PRINTF_ZEROPAD; break;
6314                                                         case '-': flags |= PRINTF_LEFT; break;
6315                                                         case ' ': flags |= PRINTF_SPACEPOSITIVE; break;
6316                                                         case '+': flags |= PRINTF_SIGNPOSITIVE; break;
6317                                                         default:
6318                                                                 goto noflags;
6319                                                 }
6320                                                 ++s;
6321                                         }
6322 noflags:
6323                                         if(*s == '*')
6324                                         {
6325                                                 ++s;
6326                                                 if(*s >= '0' && *s <= '9')
6327                                                 {
6328                                                         width = strtol(s, &err, 10);
6329                                                         if(!err || *err != '$')
6330                                                         {
6331                                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6332                                                                 goto finished;
6333                                                         }
6334                                                         s = err + 1;
6335                                                 }
6336                                                 else
6337                                                         width = argpos++;
6338                                                 width = GETARG_FLOAT(width);
6339                                                 if(width < 0)
6340                                                 {
6341                                                         flags |= PRINTF_LEFT;
6342                                                         width = -width;
6343                                                 }
6344                                         }
6345                                         else if(*s >= '0' && *s <= '9')
6346                                         {
6347                                                 width = strtol(s, &err, 10);
6348                                                 if(!err)
6349                                                 {
6350                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6351                                                         goto finished;
6352                                                 }
6353                                                 s = err;
6354                                                 if(width < 0)
6355                                                 {
6356                                                         flags |= PRINTF_LEFT;
6357                                                         width = -width;
6358                                                 }
6359                                         }
6360                                         // otherwise width stays -1
6361                                 }
6362
6363                                 if(*s == '.')
6364                                 {
6365                                         ++s;
6366                                         if(*s == '*')
6367                                         {
6368                                                 ++s;
6369                                                 if(*s >= '0' && *s <= '9')
6370                                                 {
6371                                                         precision = strtol(s, &err, 10);
6372                                                         if(!err || *err != '$')
6373                                                         {
6374                                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6375                                                                 goto finished;
6376                                                         }
6377                                                         s = err + 1;
6378                                                 }
6379                                                 else
6380                                                         precision = argpos++;
6381                                                 precision = GETARG_FLOAT(precision);
6382                                         }
6383                                         else if(*s >= '0' && *s <= '9')
6384                                         {
6385                                                 precision = strtol(s, &err, 10);
6386                                                 if(!err)
6387                                                 {
6388                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6389                                                         goto finished;
6390                                                 }
6391                                                 s = err;
6392                                         }
6393                                         else
6394                                         {
6395                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6396                                                 goto finished;
6397                                         }
6398                                 }
6399
6400                                 for(;;)
6401                                 {
6402                                         switch(*s)
6403                                         {
6404                                                 case 'h': isfloat = 1; break;
6405                                                 case 'l': isfloat = 0; break;
6406                                                 case 'L': isfloat = 0; break;
6407                                                 case 'j': break;
6408                                                 case 'z': break;
6409                                                 case 't': break;
6410                                                 default:
6411                                                         goto nolength;
6412                                         }
6413                                         ++s;
6414                                 }
6415 nolength:
6416
6417                                 // now s points to the final directive char and is no longer changed
6418                                 if(isfloat < 0)
6419                                 {
6420                                         if(*s == 'i')
6421                                                 isfloat = 0;
6422                                         else
6423                                                 isfloat = 1;
6424                                 }
6425
6426                                 if(thisarg < 0)
6427                                         thisarg = argpos++;
6428
6429                                 if(o < end - 1)
6430                                 {
6431                                         f = &formatbuf[1];
6432                                         if(*s != 's' && *s != 'c')
6433                                                 if(flags & PRINTF_ALTERNATE) *f++ = '#';
6434                                         if(flags & PRINTF_ZEROPAD) *f++ = '0';
6435                                         if(flags & PRINTF_LEFT) *f++ = '-';
6436                                         if(flags & PRINTF_SPACEPOSITIVE) *f++ = ' ';
6437                                         if(flags & PRINTF_SIGNPOSITIVE) *f++ = '+';
6438                                         *f++ = '*';
6439                                         if(precision >= 0)
6440                                         {
6441                                                 *f++ = '.';
6442                                                 *f++ = '*';
6443                                         }
6444                                         *f++ = *s;
6445                                         *f++ = 0;
6446
6447                                         if(width < 0) // not set
6448                                                 width = 0;
6449
6450                                         switch(*s)
6451                                         {
6452                                                 case 'd': case 'i':
6453                                                         if(precision < 0) // not set
6454                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (int) GETARG_FLOAT(thisarg) : (int) GETARG_INT(thisarg)));
6455                                                         else
6456                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (int) GETARG_FLOAT(thisarg) : (int) GETARG_INT(thisarg)));
6457                                                         break;
6458                                                 case 'o': case 'u': case 'x': case 'X':
6459                                                         if(precision < 0) // not set
6460                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6461                                                         else
6462                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6463                                                         break;
6464                                                 case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
6465                                                         if(precision < 0) // not set
6466                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6467                                                         else
6468                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6469                                                         break;
6470                                                 case 'v': case 'V':
6471                                                         f[-2] += 'g' - 'v';
6472                                                         if(precision < 0) // not set
6473                                                                 o += dpsnprintf(o, end - o, va("%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6474                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6475                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6476                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6477                                                                 );
6478                                                         else
6479                                                                 o += dpsnprintf(o, end - o, va("%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6480                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6481                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6482                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6483                                                                 );
6484                                                         break;
6485                                                 case 'c':
6486                                                         if(flags & PRINTF_ALTERNATE)
6487                                                         {
6488                                                                 if(precision < 0) // not set
6489                                                                         o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6490                                                                 else
6491                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6492                                                         }
6493                                                         else
6494                                                         {
6495                                                                 unsigned int c = (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg));
6496                                                                 const char *buf = u8_encodech(c, NULL);
6497                                                                 if(!buf)
6498                                                                         buf = "";
6499                                                                 if(precision < 0) // not set
6500                                                                         precision = end - o - 1;
6501                                                                 o += u8_strpad(o, end - o, buf, (flags & PRINTF_LEFT) != 0, width, precision);
6502                                                         }
6503                                                         break;
6504                                                 case 's':
6505                                                         if(flags & PRINTF_ALTERNATE)
6506                                                         {
6507                                                                 if(precision < 0) // not set
6508                                                                         o += dpsnprintf(o, end - o, formatbuf, width, GETARG_STRING(thisarg));
6509                                                                 else
6510                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, GETARG_STRING(thisarg));
6511                                                         }
6512                                                         else
6513                                                         {
6514                                                                 if(precision < 0) // not set
6515                                                                         precision = end - o - 1;
6516                                                                 o += u8_strpad(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6517                                                         }
6518                                                         break;
6519                                                 default:
6520                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6521                                                         goto finished;
6522                                         }
6523                                 }
6524                                 ++s;
6525                                 break;
6526                         default:
6527 verbatim:
6528                                 if(o < end - 1)
6529                                         *o++ = *s++;
6530                                 break;
6531                 }
6532         }
6533 finished:
6534         *o = 0;
6535         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(outbuf);
6536 }
6537
6538
6539 // surface querying
6540
6541 static dp_model_t *getmodel(prvm_edict_t *ed)
6542 {
6543         switch(PRVM_GetProgNr())
6544         {
6545                 case PRVM_SERVERPROG:
6546                         return SV_GetModelFromEdict(ed);
6547                 case PRVM_CLIENTPROG:
6548                         return CL_GetModelFromEdict(ed);
6549                 default:
6550                         return NULL;
6551         }
6552 }
6553
6554 typedef struct
6555 {
6556         unsigned int progid;
6557         dp_model_t *model;
6558         frameblend_t frameblend[MAX_FRAMEBLENDS];
6559         skeleton_t *skeleton_p;
6560         skeleton_t skeleton;
6561         float *data_vertex3f;
6562         float *data_svector3f;
6563         float *data_tvector3f;
6564         float *data_normal3f;
6565         int max_vertices;
6566         float *buf_vertex3f;
6567         float *buf_svector3f;
6568         float *buf_tvector3f;
6569         float *buf_normal3f;
6570 }
6571 animatemodel_cache_t;
6572 static animatemodel_cache_t animatemodel_cache;
6573
6574 void animatemodel(dp_model_t *model, prvm_edict_t *ed)
6575 {
6576         prvm_eval_t *val;
6577         skeleton_t *skeleton;
6578         int skeletonindex = -1;
6579         qboolean need = false;
6580         if(!(model->surfmesh.isanimated && model->AnimateVertices))
6581         {
6582                 animatemodel_cache.data_vertex3f = model->surfmesh.data_vertex3f;
6583                 animatemodel_cache.data_svector3f = model->surfmesh.data_svector3f;
6584                 animatemodel_cache.data_tvector3f = model->surfmesh.data_tvector3f;
6585                 animatemodel_cache.data_normal3f = model->surfmesh.data_normal3f;
6586                 return;
6587         }
6588         if(animatemodel_cache.progid != prog->id)
6589                 memset(&animatemodel_cache, 0, sizeof(animatemodel_cache));
6590         need |= (animatemodel_cache.model != model);
6591         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
6592         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
6593         need |= (memcmp(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend))) != 0;
6594         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.skeletonindex))) skeletonindex = (int)val->_float - 1;
6595         if (!(skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones))
6596                 skeleton = NULL;
6597         need |= (animatemodel_cache.skeleton_p != skeleton);
6598         if(skeleton)
6599                 need |= (memcmp(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton))) != 0;
6600         if(!need)
6601                 return;
6602         if(model->surfmesh.num_vertices > animatemodel_cache.max_vertices)
6603         {
6604                 animatemodel_cache.max_vertices = model->surfmesh.num_vertices * 2;
6605                 if(animatemodel_cache.buf_vertex3f) Mem_Free(animatemodel_cache.buf_vertex3f);
6606                 if(animatemodel_cache.buf_svector3f) Mem_Free(animatemodel_cache.buf_svector3f);
6607                 if(animatemodel_cache.buf_tvector3f) Mem_Free(animatemodel_cache.buf_tvector3f);
6608                 if(animatemodel_cache.buf_normal3f) Mem_Free(animatemodel_cache.buf_normal3f);
6609                 animatemodel_cache.buf_vertex3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6610                 animatemodel_cache.buf_svector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6611                 animatemodel_cache.buf_tvector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6612                 animatemodel_cache.buf_normal3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6613         }
6614         animatemodel_cache.data_vertex3f = animatemodel_cache.buf_vertex3f;
6615         animatemodel_cache.data_svector3f = animatemodel_cache.buf_svector3f;
6616         animatemodel_cache.data_tvector3f = animatemodel_cache.buf_tvector3f;
6617         animatemodel_cache.data_normal3f = animatemodel_cache.buf_normal3f;
6618         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
6619         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);
6620         animatemodel_cache.progid = prog->id;
6621         animatemodel_cache.model = model;
6622         memcpy(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
6623         animatemodel_cache.skeleton_p = skeleton;
6624         if(skeleton)
6625                 memcpy(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton));
6626 }
6627
6628 static void getmatrix(prvm_edict_t *ed, matrix4x4_t *out)
6629 {
6630         switch(PRVM_GetProgNr())
6631         {
6632                 case PRVM_SERVERPROG:
6633                         SV_GetEntityMatrix(ed, out, false);
6634                         break;
6635                 case PRVM_CLIENTPROG:
6636                         CL_GetEntityMatrix(ed, out, false);
6637                         break;
6638                 default:
6639                         *out = identitymatrix;
6640                         break;
6641         }
6642 }
6643
6644 static void applytransform_forward(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6645 {
6646         matrix4x4_t m;
6647         getmatrix(ed, &m);
6648         Matrix4x4_Transform(&m, in, out);
6649 }
6650
6651 static void applytransform_forward_direction(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6652 {
6653         matrix4x4_t m;
6654         getmatrix(ed, &m);
6655         Matrix4x4_Transform3x3(&m, in, out);
6656 }
6657
6658 static void applytransform_inverted(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6659 {
6660         matrix4x4_t m, n;
6661         getmatrix(ed, &m);
6662         Matrix4x4_Invert_Full(&n, &m);
6663         Matrix4x4_Transform3x3(&n, in, out);
6664 }
6665
6666 static void applytransform_forward_normal(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6667 {
6668         matrix4x4_t m;
6669         float p[4];
6670         getmatrix(ed, &m);
6671         Matrix4x4_TransformPositivePlane(&m, in[0], in[1], in[2], 0, p);
6672         VectorCopy(p, out);
6673 }
6674
6675 static void clippointtosurface(prvm_edict_t *ed, dp_model_t *model, msurface_t *surface, vec3_t p, vec3_t out)
6676 {
6677         int i, j, k;
6678         float *v[3], facenormal[3], edgenormal[3], sidenormal[3], temp[3], offsetdist, dist, bestdist;
6679         const int *e;
6680         animatemodel(model, ed);
6681         bestdist = 1000000000;
6682         VectorCopy(p, out);
6683         for (i = 0, e = (model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);i < surface->num_triangles;i++, e += 3)
6684         {
6685                 // clip original point to each triangle of the surface and find the
6686                 // triangle that is closest
6687                 v[0] = animatemodel_cache.data_vertex3f + e[0] * 3;
6688                 v[1] = animatemodel_cache.data_vertex3f + e[1] * 3;
6689                 v[2] = animatemodel_cache.data_vertex3f + e[2] * 3;
6690                 TriangleNormal(v[0], v[1], v[2], facenormal);
6691                 VectorNormalize(facenormal);
6692                 offsetdist = DotProduct(v[0], facenormal) - DotProduct(p, facenormal);
6693                 VectorMA(p, offsetdist, facenormal, temp);
6694                 for (j = 0, k = 2;j < 3;k = j, j++)
6695                 {
6696                         VectorSubtract(v[k], v[j], edgenormal);
6697                         CrossProduct(edgenormal, facenormal, sidenormal);
6698                         VectorNormalize(sidenormal);
6699                         offsetdist = DotProduct(v[k], sidenormal) - DotProduct(temp, sidenormal);
6700                         if (offsetdist < 0)
6701                                 VectorMA(temp, offsetdist, sidenormal, temp);
6702                 }
6703                 dist = VectorDistance2(temp, p);
6704                 if (bestdist > dist)
6705                 {
6706                         bestdist = dist;
6707                         VectorCopy(temp, out);
6708                 }
6709         }
6710 }
6711
6712 static msurface_t *getsurface(dp_model_t *model, int surfacenum)
6713 {
6714         if (surfacenum < 0 || surfacenum >= model->nummodelsurfaces)
6715                 return NULL;
6716         return model->data_surfaces + surfacenum + model->firstmodelsurface;
6717 }
6718
6719
6720 //PF_getsurfacenumpoints, // #434 float(entity e, float s) getsurfacenumpoints = #434;
6721 void VM_getsurfacenumpoints(void)
6722 {
6723         dp_model_t *model;
6724         msurface_t *surface;
6725         VM_SAFEPARMCOUNT(2, VM_getsurfacenumpoints);
6726         // return 0 if no such surface
6727         if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6728         {
6729                 PRVM_G_FLOAT(OFS_RETURN) = 0;
6730                 return;
6731         }
6732
6733         // note: this (incorrectly) assumes it is a simple polygon
6734         PRVM_G_FLOAT(OFS_RETURN) = surface->num_vertices;
6735 }
6736 //PF_getsurfacepoint,     // #435 vector(entity e, float s, float n) getsurfacepoint = #435;
6737 void VM_getsurfacepoint(void)
6738 {
6739         prvm_edict_t *ed;
6740         dp_model_t *model;
6741         msurface_t *surface;
6742         int pointnum;
6743         VM_SAFEPARMCOUNT(3, VM_getsurfacepoint);
6744         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6745         ed = PRVM_G_EDICT(OFS_PARM0);
6746         if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6747                 return;
6748         // note: this (incorrectly) assumes it is a simple polygon
6749         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
6750         if (pointnum < 0 || pointnum >= surface->num_vertices)
6751                 return;
6752         animatemodel(model, ed);
6753         applytransform_forward(&(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6754 }
6755 //PF_getsurfacepointattribute,     // #486 vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
6756 // float SPA_POSITION = 0;
6757 // float SPA_S_AXIS = 1;
6758 // float SPA_T_AXIS = 2;
6759 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
6760 // float SPA_TEXCOORDS0 = 4;
6761 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
6762 // float SPA_LIGHTMAP0_COLOR = 6;
6763 void VM_getsurfacepointattribute(void)
6764 {
6765         prvm_edict_t *ed;
6766         dp_model_t *model;
6767         msurface_t *surface;
6768         int pointnum;
6769         int attributetype;
6770
6771         VM_SAFEPARMCOUNT(4, VM_getsurfacepoint);
6772         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6773         ed = PRVM_G_EDICT(OFS_PARM0);
6774         if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6775                 return;
6776         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
6777         if (pointnum < 0 || pointnum >= surface->num_vertices)
6778                 return;
6779         attributetype = (int) PRVM_G_FLOAT(OFS_PARM3);
6780
6781         animatemodel(model, ed);
6782
6783         switch( attributetype ) {
6784                 // float SPA_POSITION = 0;
6785                 case 0:
6786                         applytransform_forward(&(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6787                         break;
6788                 // float SPA_S_AXIS = 1;
6789                 case 1:
6790                         applytransform_forward_direction(&(animatemodel_cache.data_svector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6791                         break;
6792                 // float SPA_T_AXIS = 2;
6793                 case 2:
6794                         applytransform_forward_direction(&(animatemodel_cache.data_tvector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6795                         break;
6796                 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
6797                 case 3:
6798                         applytransform_forward_direction(&(animatemodel_cache.data_normal3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6799                         break;
6800                 // float SPA_TEXCOORDS0 = 4;
6801                 case 4: {
6802                         float *ret = PRVM_G_VECTOR(OFS_RETURN);
6803                         float *texcoord = &(model->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[pointnum * 2];
6804                         ret[0] = texcoord[0];
6805                         ret[1] = texcoord[1];
6806                         ret[2] = 0.0f;
6807                         break;
6808                 }
6809                 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
6810                 case 5: {
6811                         float *ret = PRVM_G_VECTOR(OFS_RETURN);
6812                         float *texcoord = &(model->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[pointnum * 2];
6813                         ret[0] = texcoord[0];
6814                         ret[1] = texcoord[1];
6815                         ret[2] = 0.0f;
6816                         break;
6817                 }
6818                 // float SPA_LIGHTMAP0_COLOR = 6;
6819                 case 6:
6820                         // ignore alpha for now..
6821                         VectorCopy( &(model->surfmesh.data_lightmapcolor4f + 4 * surface->num_firstvertex)[pointnum * 4], PRVM_G_VECTOR(OFS_RETURN));
6822                         break;
6823                 default:
6824                         VectorSet( PRVM_G_VECTOR(OFS_RETURN), 0.0f, 0.0f, 0.0f );
6825                         break;
6826         }
6827 }
6828 //PF_getsurfacenormal,    // #436 vector(entity e, float s) getsurfacenormal = #436;
6829 void VM_getsurfacenormal(void)
6830 {
6831         dp_model_t *model;
6832         msurface_t *surface;
6833         vec3_t normal;
6834         VM_SAFEPARMCOUNT(2, VM_getsurfacenormal);
6835         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6836         if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6837                 return;
6838         // note: this only returns the first triangle, so it doesn't work very
6839         // well for curved surfaces or arbitrary meshes
6840         animatemodel(model, PRVM_G_EDICT(OFS_PARM0));
6841         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);
6842         applytransform_forward_normal(normal, PRVM_G_EDICT(OFS_PARM0), PRVM_G_VECTOR(OFS_RETURN));
6843         VectorNormalize(PRVM_G_VECTOR(OFS_RETURN));
6844 }
6845 //PF_getsurfacetexture,   // #437 string(entity e, float s) getsurfacetexture = #437;
6846 void VM_getsurfacetexture(void)
6847 {
6848         dp_model_t *model;
6849         msurface_t *surface;
6850         VM_SAFEPARMCOUNT(2, VM_getsurfacetexture);
6851         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6852         if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6853                 return;
6854         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(surface->texture->name);
6855 }
6856 //PF_getsurfacenearpoint, // #438 float(entity e, vector p) getsurfacenearpoint = #438;
6857 void VM_getsurfacenearpoint(void)
6858 {
6859         int surfacenum, best;
6860         vec3_t clipped, p;
6861         vec_t dist, bestdist;
6862         prvm_edict_t *ed;
6863         dp_model_t *model;
6864         msurface_t *surface;
6865         vec_t *point;
6866         VM_SAFEPARMCOUNT(2, VM_getsurfacenearpoint);
6867         PRVM_G_FLOAT(OFS_RETURN) = -1;
6868         ed = PRVM_G_EDICT(OFS_PARM0);
6869         point = PRVM_G_VECTOR(OFS_PARM1);
6870
6871         if (!ed || ed->priv.server->free)
6872                 return;
6873         model = getmodel(ed);
6874         if (!model || !model->num_surfaces)
6875                 return;
6876
6877         animatemodel(model, ed);
6878
6879         applytransform_inverted(point, ed, p);
6880         best = -1;
6881         bestdist = 1000000000;
6882         for (surfacenum = 0;surfacenum < model->nummodelsurfaces;surfacenum++)
6883         {
6884                 surface = model->data_surfaces + surfacenum + model->firstmodelsurface;
6885                 // first see if the nearest point on the surface's box is closer than the previous match
6886                 clipped[0] = bound(surface->mins[0], p[0], surface->maxs[0]) - p[0];
6887                 clipped[1] = bound(surface->mins[1], p[1], surface->maxs[1]) - p[1];
6888                 clipped[2] = bound(surface->mins[2], p[2], surface->maxs[2]) - p[2];
6889                 dist = VectorLength2(clipped);
6890                 if (dist < bestdist)
6891                 {
6892                         // it is, check the nearest point on the actual geometry
6893                         clippointtosurface(ed, model, surface, p, clipped);
6894                         VectorSubtract(clipped, p, clipped);
6895                         dist += VectorLength2(clipped);
6896                         if (dist < bestdist)
6897                         {
6898                                 // that's closer too, store it as the best match
6899                                 best = surfacenum;
6900                                 bestdist = dist;
6901                         }
6902                 }
6903         }
6904         PRVM_G_FLOAT(OFS_RETURN) = best;
6905 }
6906 //PF_getsurfaceclippedpoint, // #439 vector(entity e, float s, vector p) getsurfaceclippedpoint = #439;
6907 void VM_getsurfaceclippedpoint(void)
6908 {
6909         prvm_edict_t *ed;
6910         dp_model_t *model;
6911         msurface_t *surface;
6912         vec3_t p, out;
6913         VM_SAFEPARMCOUNT(3, VM_te_getsurfaceclippedpoint);
6914         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6915         ed = PRVM_G_EDICT(OFS_PARM0);
6916         if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6917                 return;
6918         animatemodel(model, ed);
6919         applytransform_inverted(PRVM_G_VECTOR(OFS_PARM2), ed, p);
6920         clippointtosurface(ed, model, surface, p, out);
6921         VectorAdd(out, ed->fields.server->origin, PRVM_G_VECTOR(OFS_RETURN));
6922 }
6923
6924 //PF_getsurfacenumtriangles, // #??? float(entity e, float s) getsurfacenumtriangles = #???;
6925 void VM_getsurfacenumtriangles(void)
6926 {
6927        dp_model_t *model;
6928        msurface_t *surface;
6929        VM_SAFEPARMCOUNT(2, VM_SV_getsurfacenumtriangles);
6930        // return 0 if no such surface
6931        if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6932        {
6933                PRVM_G_FLOAT(OFS_RETURN) = 0;
6934                return;
6935        }
6936
6937        // note: this (incorrectly) assumes it is a simple polygon
6938        PRVM_G_FLOAT(OFS_RETURN) = surface->num_triangles;
6939 }
6940 //PF_getsurfacetriangle,     // #??? vector(entity e, float s, float n) getsurfacetriangle = #???;
6941 void VM_getsurfacetriangle(void)
6942 {
6943        const vec3_t d = {-1, -1, -1};
6944        prvm_edict_t *ed;
6945        dp_model_t *model;
6946        msurface_t *surface;
6947        int trinum;
6948        VM_SAFEPARMCOUNT(3, VM_SV_getsurfacetriangle);
6949        VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6950        ed = PRVM_G_EDICT(OFS_PARM0);
6951        if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6952                return;
6953        trinum = (int)PRVM_G_FLOAT(OFS_PARM2);
6954        if (trinum < 0 || trinum >= surface->num_triangles)
6955                return;
6956        // FIXME: implement rotation/scaling
6957        VectorMA(&(model->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[trinum * 3], surface->num_firstvertex, d, PRVM_G_VECTOR(OFS_RETURN));
6958 }
6959
6960 //
6961 // physics builtins
6962 //
6963
6964 void World_Physics_ApplyCmd(prvm_edict_t *ed, edict_odefunc_t *f);
6965
6966 #define VM_physics_ApplyCmd(ed,f) if (!ed->priv.server->ode_body) VM_physics_newstackfunction(ed, f); else World_Physics_ApplyCmd(ed, f)
6967
6968 edict_odefunc_t *VM_physics_newstackfunction(prvm_edict_t *ed, edict_odefunc_t *f)
6969 {
6970         edict_odefunc_t *newfunc, *func;
6971
6972         newfunc = (edict_odefunc_t *)Mem_Alloc(prog->progs_mempool, sizeof(edict_odefunc_t));
6973         memcpy(newfunc, f, sizeof(edict_odefunc_t));
6974         newfunc->next = NULL;
6975         if (!ed->priv.server->ode_func)
6976                 ed->priv.server->ode_func = newfunc;
6977         else
6978         {
6979                 for (func = ed->priv.server->ode_func; func->next; func = func->next);
6980                 func->next = newfunc;
6981         }
6982         return newfunc;
6983 }
6984
6985 // void(entity e, float physics_enabled) physics_enable = #;
6986 void VM_physics_enable(void)
6987 {
6988         prvm_edict_t *ed;
6989         edict_odefunc_t f;
6990
6991         VM_SAFEPARMCOUNT(2, VM_physics_enable);
6992         ed = PRVM_G_EDICT(OFS_PARM0);
6993         if (!ed)
6994         {
6995                 if (developer.integer > 0)
6996                         VM_Warning("VM_physics_enable: null entity!\n");
6997                 return;
6998         }
6999         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7000         if (ed->fields.server->movetype != MOVETYPE_PHYSICS)
7001         {
7002                 VM_Warning("VM_physics_enable: entity is not MOVETYPE_PHYSICS!\n");
7003                 return;
7004         }
7005         f.type = PRVM_G_FLOAT(OFS_PARM1) == 0 ? ODEFUNC_DISABLE : ODEFUNC_ENABLE;
7006         VM_physics_ApplyCmd(ed, &f);
7007 }
7008
7009 // void(entity e, vector force, vector relative_ofs) physics_addforce = #;
7010 void VM_physics_addforce(void)
7011 {
7012         prvm_edict_t *ed;
7013         edict_odefunc_t f;
7014
7015         VM_SAFEPARMCOUNT(3, VM_physics_addforce);
7016         ed = PRVM_G_EDICT(OFS_PARM0);
7017         if (!ed)
7018         {
7019                 if (developer.integer > 0)
7020                         VM_Warning("VM_physics_addforce: null entity!\n");
7021                 return;
7022         }
7023         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7024         if (ed->fields.server->movetype != MOVETYPE_PHYSICS)
7025         {
7026                 VM_Warning("VM_physics_addforce: entity is not MOVETYPE_PHYSICS!\n");
7027                 return;
7028         }
7029         f.type = ODEFUNC_RELFORCEATPOS;
7030         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7031         VectorSubtract(ed->fields.server->origin, PRVM_G_VECTOR(OFS_PARM2), f.v2);
7032         VM_physics_ApplyCmd(ed, &f);
7033 }
7034
7035 // void(entity e, vector torque) physics_addtorque = #;
7036 void VM_physics_addtorque(void)
7037 {
7038         prvm_edict_t *ed;
7039         edict_odefunc_t f;
7040
7041         VM_SAFEPARMCOUNT(2, VM_physics_addtorque);
7042         ed = PRVM_G_EDICT(OFS_PARM0);
7043         if (!ed)
7044         {
7045                 if (developer.integer > 0)
7046                         VM_Warning("VM_physics_addtorque: null entity!\n");
7047                 return;
7048         }
7049         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7050         if (ed->fields.server->movetype != MOVETYPE_PHYSICS)
7051         {
7052                 VM_Warning("VM_physics_addtorque: entity is not MOVETYPE_PHYSICS!\n");
7053                 return;
7054         }
7055         f.type = ODEFUNC_RELTORQUE;
7056         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7057         VM_physics_ApplyCmd(ed, &f);
7058 }