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