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         // self.frame is the interpolation target (new frame)
  59         // self.frame1time is the animation base time for the interpolation target
  60         // self.frame2 is the interpolation start (previous frame)
  61         // self.frame2time is the animation base time for the interpolation start
  62         // self.lerpfrac is the interpolation strength for self.frame2
  63         // self.lerpfrac3 is the interpolation strength for self.frame3
  64         // self.lerpfrac4 is the interpolation strength for self.frame4
  65         // pitch angle on a player model where the animator set up 5 sets of
  66         // animations and the csqc simply lerps between sets)
  67         framegroupblend[0].frame = (int) PRVM_gameedictfloat(ed, frame     );
  68         framegroupblend[1].frame = (int) PRVM_gameedictfloat(ed, frame2    );
  69         framegroupblend[2].frame = (int) PRVM_gameedictfloat(ed, frame3    );
  70         framegroupblend[3].frame = (int) PRVM_gameedictfloat(ed, frame4    );
  71         framegroupblend[0].start =       PRVM_gameedictfloat(ed, frame1time);
  72         framegroupblend[1].start =       PRVM_gameedictfloat(ed, frame2time);
  73         framegroupblend[2].start =       PRVM_gameedictfloat(ed, frame3time);
  74         framegroupblend[3].start =       PRVM_gameedictfloat(ed, frame4time);
  75         framegroupblend[1].lerp  =       PRVM_gameedictfloat(ed, lerpfrac  );
  76         framegroupblend[2].lerp  =       PRVM_gameedictfloat(ed, lerpfrac3 );
  77         framegroupblend[3].lerp  =       PRVM_gameedictfloat(ed, lerpfrac4 );
  78         // assume that the (missing) lerpfrac1 is whatever remains after lerpfrac2+lerpfrac3+lerpfrac4 are summed
  79         framegroupblend[0].lerp = 1 - framegroupblend[1].lerp - framegroupblend[2].lerp - framegroupblend[3].lerp;
  80 }
  81
  82 // LordHavoc: quite tempting to break apart this function to reuse the
  83 //            duplicated code, but I suspect it is better for performance
  84 //            this way
  85 void VM_FrameBlendFromFrameGroupBlend(frameblend_t *frameblend, const framegroupblend_t *framegroupblend, const dp_model_t *model)
  86 {
  87         int sub2, numframes, f, i, k;
  88         int isfirstframegroup = true;
  89         int nolerp;
  90         double sublerp, lerp, d;
  91         const animscene_t *scene;
  92         const framegroupblend_t *g;
  93         frameblend_t *blend = frameblend;
  94
  95         memset(blend, 0, MAX_FRAMEBLENDS * sizeof(*blend));
  96
  97         if (!model || !model->surfmesh.isanimated)
  98         {
  99                 blend[0].lerp = 1;
 100                 return;
 101         }
 102
 103         nolerp = (model->type == mod_sprite) ? !r_lerpsprites.integer : !r_lerpmodels.integer;
 104         numframes = model->numframes;
 105         for (k = 0, g = framegroupblend;k < MAX_FRAMEGROUPBLENDS;k++, g++)
 106         {
 107                 f = g->frame;
 108                 if ((unsigned int)f >= (unsigned int)numframes)
 109                 {
 110                         Con_DPrintf("VM_FrameBlendFromFrameGroupBlend: no such frame %d in model %s\n", f, model->name);
 111                         f = 0;
 112                 }
 113                 d = lerp = g->lerp;
 114                 if (lerp <= 0)
 115                         continue;
 116                 if (nolerp)
 117                 {
 118                         if (isfirstframegroup)
 119                         {
 120                                 d = lerp = 1;
 121                                 isfirstframegroup = false;
 122                         }
 123                         else
 124                                 continue;
 125                 }
 126                 if (model->animscenes)
 127                 {
 128                         scene = model->animscenes + f;
 129                         f = scene->firstframe;
 130                         if (scene->framecount > 1)
 131                         {
 132                                 // this code path is only used on .zym models and torches
 133                                 sublerp = scene->framerate * (cl.time - g->start);
 134                                 f = (int) floor(sublerp);
 135                                 sublerp -= f;
 136                                 sub2 = f + 1;
 137                                 if (sublerp < (1.0 / 65536.0f))
 138                                         sublerp = 0;
 139                                 if (sublerp > (65535.0f / 65536.0f))
 140                                         sublerp = 1;
 141                                 if (nolerp)
 142                                         sublerp = 0;
 143                                 if (scene->loop)
 144                                 {
 145                                         f = (f % scene->framecount);
 146                                         sub2 = (sub2 % scene->framecount);
 147                                 }
 148                                 f = bound(0, f, (scene->framecount - 1)) + scene->firstframe;
 149                                 sub2 = bound(0, sub2, (scene->framecount - 1)) + scene->firstframe;
 150                                 d = sublerp * lerp;
 151                                 // two framelerps produced from one animation
 152                                 if (d > 0)
 153                                 {
 154                                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 155                                         {
 156                                                 if (blend[i].lerp <= 0 || blend[i].subframe == sub2)
 157                                                 {
 158                                                         blend[i].subframe = sub2;
 159                                                         blend[i].lerp += d;
 160                                                         break;
 161                                                 }
 162                                         }
 163                                 }
 164                                 d = (1 - sublerp) * lerp;
 165                         }
 166                 }
 167                 if (d > 0)
 168                 {
 169                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 170                         {
 171                                 if (blend[i].lerp <= 0 || blend[i].subframe == f)
 172                                 {
 173                                         blend[i].subframe = f;
 174                                         blend[i].lerp += d;
 175                                         break;
 176                                 }
 177                         }
 178                 }
 179         }
 180 }
 181
 182 void VM_UpdateEdictSkeleton(prvm_edict_t *ed, const dp_model_t *edmodel, const frameblend_t *frameblend)
 183 {
 184         if (ed->priv.server->skeleton.model != edmodel)
 185         {
 186                 VM_RemoveEdictSkeleton(ed);
 187                 ed->priv.server->skeleton.model = edmodel;
 188         }
 189         if (!ed->priv.server->skeleton.model || !ed->priv.server->skeleton.model->num_bones)
 190         {
 191                 if(ed->priv.server->skeleton.relativetransforms)
 192                         Mem_Free(ed->priv.server->skeleton.relativetransforms);
 193                 ed->priv.server->skeleton.relativetransforms = NULL;
 194                 return;
 195         }
 196
 197         {
 198                 int skeletonindex = -1;
 199                 skeleton_t *skeleton;
 200                 skeletonindex = (int)PRVM_gameedictfloat(ed, skeletonindex) - 1;
 201                 if (skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones)
 202                 {
 203                         // custom skeleton controlled by the game (FTE_CSQC_SKELETONOBJECTS)
 204                         if (!ed->priv.server->skeleton.relativetransforms)
 205                                 ed->priv.server->skeleton.relativetransforms = (matrix4x4_t *)Mem_Alloc(prog->progs_mempool, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 206                         memcpy(ed->priv.server->skeleton.relativetransforms, skeleton->relativetransforms, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 207                 }
 208                 else
 209                 {
 210                         if(ed->priv.server->skeleton.relativetransforms)
 211                                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 212                         ed->priv.server->skeleton.relativetransforms = NULL;
 213                 }
 214         }
 215 }
 216
 217 void VM_RemoveEdictSkeleton(prvm_edict_t *ed)
 218 {
 219         if (ed->priv.server->skeleton.relativetransforms)
 220                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 221         memset(&ed->priv.server->skeleton, 0, sizeof(ed->priv.server->skeleton));
 222 }
 223
 224
 225
 226
 227 //============================================================================
 228 //BUILT-IN FUNCTIONS
 229
 230 void VM_VarString(int first, char *out, int outlength)
 231 {
 232         int i;
 233         const char *s;
 234         char *outend;
 235
 236         outend = out + outlength - 1;
 237         for (i = first;i < prog->argc && out < outend;i++)
 238         {
 239                 s = PRVM_G_STRING((OFS_PARM0+i*3));
 240                 while (out < outend && *s)
 241                         *out++ = *s++;
 242         }
 243         *out++ = 0;
 244 }
 245
 246 /*
 247 =================
 248 VM_checkextension
 249
 250 returns true if the extension is supported by the server
 251
 252 checkextension(extensionname)
 253 =================
 254 */
 255
 256 // kind of helper function
 257 static qboolean checkextension(const char *name)
 258 {
 259         int len;
 260         const char *e, *start;
 261         len = (int)strlen(name);
 262
 263         for (e = prog->extensionstring;*e;e++)
 264         {
 265                 while (*e == ' ')
 266                         e++;
 267                 if (!*e)
 268                         break;
 269                 start = e;
 270                 while (*e && *e != ' ')
 271                         e++;
 272                 if ((e - start) == len && !strncasecmp(start, name, len))
 273                 {
 274                         // special sheck for ODE
 275                         if (!strncasecmp("DP_PHYSICS_ODE", name, 14))
 276                         {
 277 #ifdef USEODE
 278                                 return ode_dll ? true : false;
 279 #else
 280                                 return false;
 281 #endif
 282                         }
 283                         return true;
 284                 }
 285         }
 286         return false;
 287 }
 288
 289 void VM_checkextension (void)
 290 {
 291         VM_SAFEPARMCOUNT(1,VM_checkextension);
 292
 293         PRVM_G_FLOAT(OFS_RETURN) = checkextension(PRVM_G_STRING(OFS_PARM0));
 294 }
 295
 296 /*
 297 =================
 298 VM_error
 299
 300 This is a TERMINAL error, which will kill off the entire prog.
 301 Dumps self.
 302
 303 error(value)
 304 =================
 305 */
 306 void VM_error (void)
 307 {
 308         prvm_edict_t    *ed;
 309         char string[VM_STRINGTEMP_LENGTH];
 310
 311         VM_VarString(0, string, sizeof(string));
 312         Con_Printf("======%s ERROR in %s:\n%s\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
 313         ed = PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self));
 314         PRVM_ED_Print(ed, NULL);
 315
 316         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);
 317 }
 318
 319 /*
 320 =================
 321 VM_objerror
 322
 323 Dumps out self, then an error message.  The program is aborted and self is
 324 removed, but the level can continue.
 325
 326 objerror(value)
 327 =================
 328 */
 329 void VM_objerror (void)
 330 {
 331         prvm_edict_t    *ed;
 332         char string[VM_STRINGTEMP_LENGTH];
 333
 334         VM_VarString(0, string, sizeof(string));
 335         Con_Printf("======OBJECT ERROR======\n"); // , PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string); // or include them? FIXME
 336         ed = PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self));
 337         PRVM_ED_Print(ed, NULL);
 338         PRVM_ED_Free (ed);
 339         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);
 340 }
 341
 342 /*
 343 =================
 344 VM_print
 345
 346 print to console
 347
 348 print(...[string])
 349 =================
 350 */
 351 void VM_print (void)
 352 {
 353         char string[VM_STRINGTEMP_LENGTH];
 354
 355         VM_VarString(0, string, sizeof(string));
 356         Con_Print(string);
 357 }
 358
 359 /*
 360 =================
 361 VM_bprint
 362
 363 broadcast print to everyone on server
 364
 365 bprint(...[string])
 366 =================
 367 */
 368 void VM_bprint (void)
 369 {
 370         char string[VM_STRINGTEMP_LENGTH];
 371
 372         if(!sv.active)
 373         {
 374                 VM_Warning("VM_bprint: game is not server(%s) !\n", PRVM_NAME);
 375                 return;
 376         }
 377
 378         VM_VarString(0, string, sizeof(string));
 379         SV_BroadcastPrint(string);
 380 }
 381
 382 /*
 383 =================
 384 VM_sprint (menu & client but only if server.active == true)
 385
 386 single print to a specific client
 387
 388 sprint(float clientnum,...[string])
 389 =================
 390 */
 391 void VM_sprint (void)
 392 {
 393         client_t        *client;
 394         int                     clientnum;
 395         char string[VM_STRINGTEMP_LENGTH];
 396
 397         VM_SAFEPARMCOUNTRANGE(1, 8, VM_sprint);
 398
 399         //find client for this entity
 400         clientnum = (int)PRVM_G_FLOAT(OFS_PARM0);
 401         if (!sv.active  || clientnum < 0 || clientnum >= svs.maxclients || !svs.clients[clientnum].active)
 402         {
 403                 VM_Warning("VM_sprint: %s: invalid client or server is not active !\n", PRVM_NAME);
 404                 return;
 405         }
 406
 407         client = svs.clients + clientnum;
 408         if (!client->netconnection)
 409                 return;
 410
 411         VM_VarString(1, string, sizeof(string));
 412         MSG_WriteChar(&client->netconnection->message,svc_print);
 413         MSG_WriteString(&client->netconnection->message, string);
 414 }
 415
 416 /*
 417 =================
 418 VM_centerprint
 419
 420 single print to the screen
 421
 422 centerprint(value)
 423 =================
 424 */
 425 void VM_centerprint (void)
 426 {
 427         char string[VM_STRINGTEMP_LENGTH];
 428
 429         VM_SAFEPARMCOUNTRANGE(1, 8, VM_centerprint);
 430         VM_VarString(0, string, sizeof(string));
 431         SCR_CenterPrint(string);
 432 }
 433
 434 /*
 435 =================
 436 VM_normalize
 437
 438 vector normalize(vector)
 439 =================
 440 */
 441 void VM_normalize (void)
 442 {
 443         float   *value1;
 444         vec3_t  newvalue;
 445         double  f;
 446
 447         VM_SAFEPARMCOUNT(1,VM_normalize);
 448
 449         value1 = PRVM_G_VECTOR(OFS_PARM0);
 450
 451         f = VectorLength2(value1);
 452         if (f)
 453         {
 454                 f = 1.0 / sqrt(f);
 455                 VectorScale(value1, f, newvalue);
 456         }
 457         else
 458                 VectorClear(newvalue);
 459
 460         VectorCopy (newvalue, PRVM_G_VECTOR(OFS_RETURN));
 461 }
 462
 463 /*
 464 =================
 465 VM_vlen
 466
 467 scalar vlen(vector)
 468 =================
 469 */
 470 void VM_vlen (void)
 471 {
 472         VM_SAFEPARMCOUNT(1,VM_vlen);
 473         PRVM_G_FLOAT(OFS_RETURN) = VectorLength(PRVM_G_VECTOR(OFS_PARM0));
 474 }
 475
 476 /*
 477 =================
 478 VM_vectoyaw
 479
 480 float vectoyaw(vector)
 481 =================
 482 */
 483 void VM_vectoyaw (void)
 484 {
 485         float   *value1;
 486         float   yaw;
 487
 488         VM_SAFEPARMCOUNT(1,VM_vectoyaw);
 489
 490         value1 = PRVM_G_VECTOR(OFS_PARM0);
 491
 492         if (value1[1] == 0 && value1[0] == 0)
 493                 yaw = 0;
 494         else
 495         {
 496                 yaw = (int) (atan2(value1[1], value1[0]) * 180 / M_PI);
 497                 if (yaw < 0)
 498                         yaw += 360;
 499         }
 500
 501         PRVM_G_FLOAT(OFS_RETURN) = yaw;
 502 }
 503
 504
 505 /*
 506 =================
 507 VM_vectoangles
 508
 509 vector vectoangles(vector[, vector])
 510 =================
 511 */
 512 void VM_vectoangles (void)
 513 {
 514         VM_SAFEPARMCOUNTRANGE(1, 2,VM_vectoangles);
 515
 516         AnglesFromVectors(PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_PARM0), prog->argc >= 2 ? PRVM_G_VECTOR(OFS_PARM1) : NULL, true);
 517 }
 518
 519 /*
 520 =================
 521 VM_random
 522
 523 Returns a number from 0<= num < 1
 524
 525 float random()
 526 =================
 527 */
 528 void VM_random (void)
 529 {
 530         VM_SAFEPARMCOUNT(0,VM_random);
 531
 532         PRVM_G_FLOAT(OFS_RETURN) = lhrandom(0, 1);
 533 }
 534
 535 /*
 536 =========
 537 VM_localsound
 538
 539 localsound(string sample)
 540 =========
 541 */
 542 void VM_localsound(void)
 543 {
 544         const char *s;
 545
 546         VM_SAFEPARMCOUNT(1,VM_localsound);
 547
 548         s = PRVM_G_STRING(OFS_PARM0);
 549
 550         if(!S_LocalSound (s))
 551         {
 552                 PRVM_G_FLOAT(OFS_RETURN) = -4;
 553                 VM_Warning("VM_localsound: Failed to play %s for %s !\n", s, PRVM_NAME);
 554                 return;
 555         }
 556
 557         PRVM_G_FLOAT(OFS_RETURN) = 1;
 558 }
 559
 560 /*
 561 =================
 562 VM_break
 563
 564 break()
 565 =================
 566 */
 567 void VM_break (void)
 568 {
 569         PRVM_ERROR ("%s: break statement", PRVM_NAME);
 570 }
 571
 572 //============================================================================
 573
 574 /*
 575 =================
 576 VM_localcmd
 577
 578 Sends text over to the client's execution buffer
 579
 580 [localcmd (string, ...) or]
 581 cmd (string, ...)
 582 =================
 583 */
 584 void VM_localcmd (void)
 585 {
 586         char string[VM_STRINGTEMP_LENGTH];
 587         VM_SAFEPARMCOUNTRANGE(1, 8, VM_localcmd);
 588         VM_VarString(0, string, sizeof(string));
 589         Cbuf_AddText(string);
 590 }
 591
 592 static qboolean PRVM_Cvar_ReadOk(const char *string)
 593 {
 594         cvar_t *cvar;
 595         cvar = Cvar_FindVar(string);
 596         return ((cvar) && ((cvar->flags & CVAR_PRIVATE) == 0));
 597 }
 598
 599 /*
 600 =================
 601 VM_cvar
 602
 603 float cvar (string)
 604 =================
 605 */
 606 void VM_cvar (void)
 607 {
 608         char string[VM_STRINGTEMP_LENGTH];
 609         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 610         VM_VarString(0, string, sizeof(string));
 611         VM_CheckEmptyString(string);
 612         PRVM_G_FLOAT(OFS_RETURN) = PRVM_Cvar_ReadOk(string) ? Cvar_VariableValue(string) : 0;
 613 }
 614
 615 /*
 616 =================
 617 VM_cvar
 618
 619 float cvar_type (string)
 620 float CVAR_TYPEFLAG_EXISTS = 1;
 621 float CVAR_TYPEFLAG_SAVED = 2;
 622 float CVAR_TYPEFLAG_PRIVATE = 4;
 623 float CVAR_TYPEFLAG_ENGINE = 8;
 624 float CVAR_TYPEFLAG_HASDESCRIPTION = 16;
 625 float CVAR_TYPEFLAG_READONLY = 32;
 626 =================
 627 */
 628 void VM_cvar_type (void)
 629 {
 630         char string[VM_STRINGTEMP_LENGTH];
 631         cvar_t *cvar;
 632         int ret;
 633
 634         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 635         VM_VarString(0, string, sizeof(string));
 636         VM_CheckEmptyString(string);
 637         cvar = Cvar_FindVar(string);
 638
 639
 640         if(!cvar)
 641         {
 642                 PRVM_G_FLOAT(OFS_RETURN) = 0;
 643                 return; // CVAR_TYPE_NONE
 644         }
 645
 646         ret = 1; // CVAR_EXISTS
 647         if(cvar->flags & CVAR_SAVE)
 648                 ret |= 2; // CVAR_TYPE_SAVED
 649         if(cvar->flags & CVAR_PRIVATE)
 650                 ret |= 4; // CVAR_TYPE_PRIVATE
 651         if(!(cvar->flags & CVAR_ALLOCATED))
 652                 ret |= 8; // CVAR_TYPE_ENGINE
 653         if(cvar->description != cvar_dummy_description)
 654                 ret |= 16; // CVAR_TYPE_HASDESCRIPTION
 655         if(cvar->flags & CVAR_READONLY)
 656                 ret |= 32; // CVAR_TYPE_READONLY
 657
 658         PRVM_G_FLOAT(OFS_RETURN) = ret;
 659 }
 660
 661 /*
 662 =================
 663 VM_cvar_string
 664
 665 const string    VM_cvar_string (string, ...)
 666 =================
 667 */
 668 void VM_cvar_string(void)
 669 {
 670         char string[VM_STRINGTEMP_LENGTH];
 671         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_string);
 672         VM_VarString(0, string, sizeof(string));
 673         VM_CheckEmptyString(string);
 674         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(PRVM_Cvar_ReadOk(string) ? Cvar_VariableString(string) : "");
 675 }
 676
 677
 678 /*
 679 ========================
 680 VM_cvar_defstring
 681
 682 const string    VM_cvar_defstring (string, ...)
 683 ========================
 684 */
 685 void VM_cvar_defstring (void)
 686 {
 687         char string[VM_STRINGTEMP_LENGTH];
 688         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_defstring);
 689         VM_VarString(0, string, sizeof(string));
 690         VM_CheckEmptyString(string);
 691         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDefString(string));
 692 }
 693
 694 /*
 695 ========================
 696 VM_cvar_defstring
 697
 698 const string    VM_cvar_description (string, ...)
 699 ========================
 700 */
 701 void VM_cvar_description (void)
 702 {
 703         char string[VM_STRINGTEMP_LENGTH];
 704         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_description);
 705         VM_VarString(0, string, sizeof(string));
 706         VM_CheckEmptyString(string);
 707         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDescription(string));
 708 }
 709 /*
 710 =================
 711 VM_cvar_set
 712
 713 void cvar_set (string,string, ...)
 714 =================
 715 */
 716 void VM_cvar_set (void)
 717 {
 718         const char *name;
 719         char string[VM_STRINGTEMP_LENGTH];
 720         VM_SAFEPARMCOUNTRANGE(2,8,VM_cvar_set);
 721         VM_VarString(1, string, sizeof(string));
 722         name = PRVM_G_STRING(OFS_PARM0);
 723         VM_CheckEmptyString(name);
 724         Cvar_Set(name, string);
 725 }
 726
 727 /*
 728 =========
 729 VM_dprint
 730
 731 dprint(...[string])
 732 =========
 733 */
 734 void VM_dprint (void)
 735 {
 736         char string[VM_STRINGTEMP_LENGTH];
 737         VM_SAFEPARMCOUNTRANGE(1, 8, VM_dprint);
 738         VM_VarString(0, string, sizeof(string));
 739 #if 1
 740         Con_DPrintf("%s", string);
 741 #else
 742         Con_DPrintf("%s: %s", PRVM_NAME, string);
 743 #endif
 744 }
 745
 746 /*
 747 =========
 748 VM_ftos
 749
 750 string  ftos(float)
 751 =========
 752 */
 753
 754 void VM_ftos (void)
 755 {
 756         float v;
 757         char s[128];
 758
 759         VM_SAFEPARMCOUNT(1, VM_ftos);
 760
 761         v = PRVM_G_FLOAT(OFS_PARM0);
 762
 763         if ((float)((int)v) == v)
 764                 dpsnprintf(s, sizeof(s), "%i", (int)v);
 765         else
 766                 dpsnprintf(s, sizeof(s), "%f", v);
 767         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 768 }
 769
 770 /*
 771 =========
 772 VM_fabs
 773
 774 float   fabs(float)
 775 =========
 776 */
 777
 778 void VM_fabs (void)
 779 {
 780         float   v;
 781
 782         VM_SAFEPARMCOUNT(1,VM_fabs);
 783
 784         v = PRVM_G_FLOAT(OFS_PARM0);
 785         PRVM_G_FLOAT(OFS_RETURN) = fabs(v);
 786 }
 787
 788 /*
 789 =========
 790 VM_vtos
 791
 792 string  vtos(vector)
 793 =========
 794 */
 795
 796 void VM_vtos (void)
 797 {
 798         char s[512];
 799
 800         VM_SAFEPARMCOUNT(1,VM_vtos);
 801
 802         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]);
 803         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 804 }
 805
 806 /*
 807 =========
 808 VM_etos
 809
 810 string  etos(entity)
 811 =========
 812 */
 813
 814 void VM_etos (void)
 815 {
 816         char s[128];
 817
 818         VM_SAFEPARMCOUNT(1, VM_etos);
 819
 820         dpsnprintf (s, sizeof(s), "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
 821         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
 822 }
 823
 824 /*
 825 =========
 826 VM_stof
 827
 828 float stof(...[string])
 829 =========
 830 */
 831 void VM_stof(void)
 832 {
 833         char string[VM_STRINGTEMP_LENGTH];
 834         VM_SAFEPARMCOUNTRANGE(1, 8, VM_stof);
 835         VM_VarString(0, string, sizeof(string));
 836         PRVM_G_FLOAT(OFS_RETURN) = atof(string);
 837 }
 838
 839 /*
 840 ========================
 841 VM_itof
 842
 843 float itof(intt ent)
 844 ========================
 845 */
 846 void VM_itof(void)
 847 {
 848         VM_SAFEPARMCOUNT(1, VM_itof);
 849         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
 850 }
 851
 852 /*
 853 ========================
 854 VM_ftoe
 855
 856 entity ftoe(float num)
 857 ========================
 858 */
 859 void VM_ftoe(void)
 860 {
 861         int ent;
 862         VM_SAFEPARMCOUNT(1, VM_ftoe);
 863
 864         ent = (int)PRVM_G_FLOAT(OFS_PARM0);
 865         if (ent < 0 || ent >= prog->max_edicts || PRVM_PROG_TO_EDICT(ent)->priv.required->free)
 866                 ent = 0; // return world instead of a free or invalid entity
 867
 868         PRVM_G_INT(OFS_RETURN) = ent;
 869 }
 870
 871 /*
 872 ========================
 873 VM_etof
 874
 875 float etof(entity ent)
 876 ========================
 877 */
 878 void VM_etof(void)
 879 {
 880         VM_SAFEPARMCOUNT(1, VM_etof);
 881         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICTNUM(OFS_PARM0);
 882 }
 883
 884 /*
 885 =========
 886 VM_strftime
 887
 888 string strftime(float uselocaltime, string[, string ...])
 889 =========
 890 */
 891 void VM_strftime(void)
 892 {
 893         time_t t;
 894 #if _MSC_VER >= 1400
 895         struct tm tm;
 896         int tmresult;
 897 #else
 898         struct tm *tm;
 899 #endif
 900         char fmt[VM_STRINGTEMP_LENGTH];
 901         char result[VM_STRINGTEMP_LENGTH];
 902         VM_SAFEPARMCOUNTRANGE(2, 8, VM_strftime);
 903         VM_VarString(1, fmt, sizeof(fmt));
 904         t = time(NULL);
 905 #if _MSC_VER >= 1400
 906         if (PRVM_G_FLOAT(OFS_PARM0))
 907                 tmresult = localtime_s(&tm, &t);
 908         else
 909                 tmresult = gmtime_s(&tm, &t);
 910         if (!tmresult)
 911 #else
 912         if (PRVM_G_FLOAT(OFS_PARM0))
 913                 tm = localtime(&t);
 914         else
 915                 tm = gmtime(&t);
 916         if (!tm)
 917 #endif
 918         {
 919                 PRVM_G_INT(OFS_RETURN) = 0;
 920                 return;
 921         }
 922 #if _MSC_VER >= 1400
 923         strftime(result, sizeof(result), fmt, &tm);
 924 #else
 925         strftime(result, sizeof(result), fmt, tm);
 926 #endif
 927         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(result);
 928 }
 929
 930 /*
 931 =========
 932 VM_spawn
 933
 934 entity spawn()
 935 =========
 936 */
 937
 938 void VM_spawn (void)
 939 {
 940         prvm_edict_t    *ed;
 941         VM_SAFEPARMCOUNT(0, VM_spawn);
 942         prog->xfunction->builtinsprofile += 20;
 943         ed = PRVM_ED_Alloc();
 944         VM_RETURN_EDICT(ed);
 945 }
 946
 947 /*
 948 =========
 949 VM_remove
 950
 951 remove(entity e)
 952 =========
 953 */
 954
 955 void VM_remove (void)
 956 {
 957         prvm_edict_t    *ed;
 958         prog->xfunction->builtinsprofile += 20;
 959
 960         VM_SAFEPARMCOUNT(1, VM_remove);
 961
 962         ed = PRVM_G_EDICT(OFS_PARM0);
 963         if( PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
 964         {
 965                 if (developer.integer > 0)
 966                         VM_Warning( "VM_remove: tried to remove the null entity or a reserved entity!\n" );
 967         }
 968         else if( ed->priv.required->free )
 969         {
 970                 if (developer.integer > 0)
 971                         VM_Warning( "VM_remove: tried to remove an already freed entity!\n" );
 972         }
 973         else
 974                 PRVM_ED_Free (ed);
 975 }
 976
 977 /*
 978 =========
 979 VM_find
 980
 981 entity  find(entity start, .string field, string match)
 982 =========
 983 */
 984
 985 void VM_find (void)
 986 {
 987         int             e;
 988         int             f;
 989         const char      *s, *t;
 990         prvm_edict_t    *ed;
 991
 992         VM_SAFEPARMCOUNT(3,VM_find);
 993
 994         e = PRVM_G_EDICTNUM(OFS_PARM0);
 995         f = PRVM_G_INT(OFS_PARM1);
 996         s = PRVM_G_STRING(OFS_PARM2);
 997
 998         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
 999         // expects it to find all the monsters, so we must be careful to support
1000         // searching for ""
1001
1002         for (e++ ; e < prog->num_edicts ; e++)
1003         {
1004                 prog->xfunction->builtinsprofile++;
1005                 ed = PRVM_EDICT_NUM(e);
1006                 if (ed->priv.required->free)
1007                         continue;
1008                 t = PRVM_E_STRING(ed,f);
1009                 if (!t)
1010                         t = "";
1011                 if (!strcmp(t,s))
1012                 {
1013                         VM_RETURN_EDICT(ed);
1014                         return;
1015                 }
1016         }
1017
1018         VM_RETURN_EDICT(prog->edicts);
1019 }
1020
1021 /*
1022 =========
1023 VM_findfloat
1024
1025   entity        findfloat(entity start, .float field, float match)
1026   entity        findentity(entity start, .entity field, entity match)
1027 =========
1028 */
1029 // LordHavoc: added this for searching float, int, and entity reference fields
1030 void VM_findfloat (void)
1031 {
1032         int             e;
1033         int             f;
1034         float   s;
1035         prvm_edict_t    *ed;
1036
1037         VM_SAFEPARMCOUNT(3,VM_findfloat);
1038
1039         e = PRVM_G_EDICTNUM(OFS_PARM0);
1040         f = PRVM_G_INT(OFS_PARM1);
1041         s = PRVM_G_FLOAT(OFS_PARM2);
1042
1043         for (e++ ; e < prog->num_edicts ; e++)
1044         {
1045                 prog->xfunction->builtinsprofile++;
1046                 ed = PRVM_EDICT_NUM(e);
1047                 if (ed->priv.required->free)
1048                         continue;
1049                 if (PRVM_E_FLOAT(ed,f) == s)
1050                 {
1051                         VM_RETURN_EDICT(ed);
1052                         return;
1053                 }
1054         }
1055
1056         VM_RETURN_EDICT(prog->edicts);
1057 }
1058
1059 /*
1060 =========
1061 VM_findchain
1062
1063 entity  findchain(.string field, string match)
1064 =========
1065 */
1066 // chained search for strings in entity fields
1067 // entity(.string field, string match) findchain = #402;
1068 void VM_findchain (void)
1069 {
1070         int             i;
1071         int             f;
1072         const char      *s, *t;
1073         prvm_edict_t    *ent, *chain;
1074         int chainfield;
1075
1076         VM_SAFEPARMCOUNTRANGE(2,3,VM_findchain);
1077
1078         if(prog->argc == 3)
1079                 chainfield = PRVM_G_INT(OFS_PARM2);
1080         else
1081                 chainfield = prog->fieldoffsets.chain;
1082         if (chainfield < 0)
1083                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
1084
1085         chain = prog->edicts;
1086
1087         f = PRVM_G_INT(OFS_PARM0);
1088         s = PRVM_G_STRING(OFS_PARM1);
1089
1090         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1091         // expects it to find all the monsters, so we must be careful to support
1092         // searching for ""
1093
1094         ent = PRVM_NEXT_EDICT(prog->edicts);
1095         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1096         {
1097                 prog->xfunction->builtinsprofile++;
1098                 if (ent->priv.required->free)
1099                         continue;
1100                 t = PRVM_E_STRING(ent,f);
1101                 if (!t)
1102                         t = "";
1103                 if (strcmp(t,s))
1104                         continue;
1105
1106                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_NUM_FOR_EDICT(chain);
1107                 chain = ent;
1108         }
1109
1110         VM_RETURN_EDICT(chain);
1111 }
1112
1113 /*
1114 =========
1115 VM_findchainfloat
1116
1117 entity  findchainfloat(.string field, float match)
1118 entity  findchainentity(.string field, entity match)
1119 =========
1120 */
1121 // LordHavoc: chained search for float, int, and entity reference fields
1122 // entity(.string field, float match) findchainfloat = #403;
1123 void VM_findchainfloat (void)
1124 {
1125         int             i;
1126         int             f;
1127         float   s;
1128         prvm_edict_t    *ent, *chain;
1129         int chainfield;
1130
1131         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainfloat);
1132
1133         if(prog->argc == 3)
1134                 chainfield = PRVM_G_INT(OFS_PARM2);
1135         else
1136                 chainfield = prog->fieldoffsets.chain;
1137         if (chainfield < 0)
1138                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
1139
1140         chain = (prvm_edict_t *)prog->edicts;
1141
1142         f = PRVM_G_INT(OFS_PARM0);
1143         s = PRVM_G_FLOAT(OFS_PARM1);
1144
1145         ent = PRVM_NEXT_EDICT(prog->edicts);
1146         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1147         {
1148                 prog->xfunction->builtinsprofile++;
1149                 if (ent->priv.required->free)
1150                         continue;
1151                 if (PRVM_E_FLOAT(ent,f) != s)
1152                         continue;
1153
1154                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_EDICT_TO_PROG(chain);
1155                 chain = ent;
1156         }
1157
1158         VM_RETURN_EDICT(chain);
1159 }
1160
1161 /*
1162 ========================
1163 VM_findflags
1164
1165 entity  findflags(entity start, .float field, float match)
1166 ========================
1167 */
1168 // LordHavoc: search for flags in float fields
1169 void VM_findflags (void)
1170 {
1171         int             e;
1172         int             f;
1173         int             s;
1174         prvm_edict_t    *ed;
1175
1176         VM_SAFEPARMCOUNT(3, VM_findflags);
1177
1178
1179         e = PRVM_G_EDICTNUM(OFS_PARM0);
1180         f = PRVM_G_INT(OFS_PARM1);
1181         s = (int)PRVM_G_FLOAT(OFS_PARM2);
1182
1183         for (e++ ; e < prog->num_edicts ; e++)
1184         {
1185                 prog->xfunction->builtinsprofile++;
1186                 ed = PRVM_EDICT_NUM(e);
1187                 if (ed->priv.required->free)
1188                         continue;
1189                 if (!PRVM_E_FLOAT(ed,f))
1190                         continue;
1191                 if ((int)PRVM_E_FLOAT(ed,f) & s)
1192                 {
1193                         VM_RETURN_EDICT(ed);
1194                         return;
1195                 }
1196         }
1197
1198         VM_RETURN_EDICT(prog->edicts);
1199 }
1200
1201 /*
1202 ========================
1203 VM_findchainflags
1204
1205 entity  findchainflags(.float field, float match)
1206 ========================
1207 */
1208 // LordHavoc: chained search for flags in float fields
1209 void VM_findchainflags (void)
1210 {
1211         int             i;
1212         int             f;
1213         int             s;
1214         prvm_edict_t    *ent, *chain;
1215         int chainfield;
1216
1217         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainflags);
1218
1219         if(prog->argc == 3)
1220                 chainfield = PRVM_G_INT(OFS_PARM2);
1221         else
1222                 chainfield = prog->fieldoffsets.chain;
1223         if (chainfield < 0)
1224                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
1225
1226         chain = (prvm_edict_t *)prog->edicts;
1227
1228         f = PRVM_G_INT(OFS_PARM0);
1229         s = (int)PRVM_G_FLOAT(OFS_PARM1);
1230
1231         ent = PRVM_NEXT_EDICT(prog->edicts);
1232         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1233         {
1234                 prog->xfunction->builtinsprofile++;
1235                 if (ent->priv.required->free)
1236                         continue;
1237                 if (!PRVM_E_FLOAT(ent,f))
1238                         continue;
1239                 if (!((int)PRVM_E_FLOAT(ent,f) & s))
1240                         continue;
1241
1242                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_EDICT_TO_PROG(chain);
1243                 chain = ent;
1244         }
1245
1246         VM_RETURN_EDICT(chain);
1247 }
1248
1249 /*
1250 =========
1251 VM_precache_sound
1252
1253 string  precache_sound (string sample)
1254 =========
1255 */
1256 void VM_precache_sound (void)
1257 {
1258         const char *s;
1259
1260         VM_SAFEPARMCOUNT(1, VM_precache_sound);
1261
1262         s = PRVM_G_STRING(OFS_PARM0);
1263         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1264         //VM_CheckEmptyString(s);
1265
1266         if(snd_initialized.integer && !S_PrecacheSound(s, true, true))
1267         {
1268                 VM_Warning("VM_precache_sound: Failed to load %s for %s\n", s, PRVM_NAME);
1269                 return;
1270         }
1271 }
1272
1273 /*
1274 =================
1275 VM_precache_file
1276
1277 returns the same string as output
1278
1279 does nothing, only used by qcc to build .pak archives
1280 =================
1281 */
1282 void VM_precache_file (void)
1283 {
1284         VM_SAFEPARMCOUNT(1,VM_precache_file);
1285         // precache_file is only used to copy files with qcc, it does nothing
1286         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1287 }
1288
1289 /*
1290 =========
1291 VM_coredump
1292
1293 coredump()
1294 =========
1295 */
1296 void VM_coredump (void)
1297 {
1298         VM_SAFEPARMCOUNT(0,VM_coredump);
1299
1300         Cbuf_AddText("prvm_edicts ");
1301         Cbuf_AddText(PRVM_NAME);
1302         Cbuf_AddText("\n");
1303 }
1304
1305 /*
1306 =========
1307 VM_stackdump
1308
1309 stackdump()
1310 =========
1311 */
1312 void PRVM_StackTrace(void);
1313 void VM_stackdump (void)
1314 {
1315         VM_SAFEPARMCOUNT(0, VM_stackdump);
1316
1317         PRVM_StackTrace();
1318 }
1319
1320 /*
1321 =========
1322 VM_crash
1323
1324 crash()
1325 =========
1326 */
1327
1328 void VM_crash(void)
1329 {
1330         VM_SAFEPARMCOUNT(0, VM_crash);
1331
1332         PRVM_ERROR("Crash called by %s",PRVM_NAME);
1333 }
1334
1335 /*
1336 =========
1337 VM_traceon
1338
1339 traceon()
1340 =========
1341 */
1342 void VM_traceon (void)
1343 {
1344         VM_SAFEPARMCOUNT(0,VM_traceon);
1345
1346         prog->trace = true;
1347 }
1348
1349 /*
1350 =========
1351 VM_traceoff
1352
1353 traceoff()
1354 =========
1355 */
1356 void VM_traceoff (void)
1357 {
1358         VM_SAFEPARMCOUNT(0,VM_traceoff);
1359
1360         prog->trace = false;
1361 }
1362
1363 /*
1364 =========
1365 VM_eprint
1366
1367 eprint(entity e)
1368 =========
1369 */
1370 void VM_eprint (void)
1371 {
1372         VM_SAFEPARMCOUNT(1,VM_eprint);
1373
1374         PRVM_ED_PrintNum (PRVM_G_EDICTNUM(OFS_PARM0), NULL);
1375 }
1376
1377 /*
1378 =========
1379 VM_rint
1380
1381 float   rint(float)
1382 =========
1383 */
1384 void VM_rint (void)
1385 {
1386         float f;
1387         VM_SAFEPARMCOUNT(1,VM_rint);
1388
1389         f = PRVM_G_FLOAT(OFS_PARM0);
1390         if (f > 0)
1391                 PRVM_G_FLOAT(OFS_RETURN) = floor(f + 0.5);
1392         else
1393                 PRVM_G_FLOAT(OFS_RETURN) = ceil(f - 0.5);
1394 }
1395
1396 /*
1397 =========
1398 VM_floor
1399
1400 float   floor(float)
1401 =========
1402 */
1403 void VM_floor (void)
1404 {
1405         VM_SAFEPARMCOUNT(1,VM_floor);
1406
1407         PRVM_G_FLOAT(OFS_RETURN) = floor(PRVM_G_FLOAT(OFS_PARM0));
1408 }
1409
1410 /*
1411 =========
1412 VM_ceil
1413
1414 float   ceil(float)
1415 =========
1416 */
1417 void VM_ceil (void)
1418 {
1419         VM_SAFEPARMCOUNT(1,VM_ceil);
1420
1421         PRVM_G_FLOAT(OFS_RETURN) = ceil(PRVM_G_FLOAT(OFS_PARM0));
1422 }
1423
1424
1425 /*
1426 =============
1427 VM_nextent
1428
1429 entity  nextent(entity)
1430 =============
1431 */
1432 void VM_nextent (void)
1433 {
1434         int             i;
1435         prvm_edict_t    *ent;
1436
1437         VM_SAFEPARMCOUNT(1, VM_nextent);
1438
1439         i = PRVM_G_EDICTNUM(OFS_PARM0);
1440         while (1)
1441         {
1442                 prog->xfunction->builtinsprofile++;
1443                 i++;
1444                 if (i == prog->num_edicts)
1445                 {
1446                         VM_RETURN_EDICT(prog->edicts);
1447                         return;
1448                 }
1449                 ent = PRVM_EDICT_NUM(i);
1450                 if (!ent->priv.required->free)
1451                 {
1452                         VM_RETURN_EDICT(ent);
1453                         return;
1454                 }
1455         }
1456 }
1457
1458 //=============================================================================
1459
1460 /*
1461 ==============
1462 VM_changelevel
1463 server and menu
1464
1465 changelevel(string map)
1466 ==============
1467 */
1468 void VM_changelevel (void)
1469 {
1470         VM_SAFEPARMCOUNT(1, VM_changelevel);
1471
1472         if(!sv.active)
1473         {
1474                 VM_Warning("VM_changelevel: game is not server (%s)\n", PRVM_NAME);
1475                 return;
1476         }
1477
1478 // make sure we don't issue two changelevels
1479         if (svs.changelevel_issued)
1480                 return;
1481         svs.changelevel_issued = true;
1482
1483         Cbuf_AddText (va("changelevel %s\n",PRVM_G_STRING(OFS_PARM0)));
1484 }
1485
1486 /*
1487 =========
1488 VM_sin
1489
1490 float   sin(float)
1491 =========
1492 */
1493 void VM_sin (void)
1494 {
1495         VM_SAFEPARMCOUNT(1,VM_sin);
1496         PRVM_G_FLOAT(OFS_RETURN) = sin(PRVM_G_FLOAT(OFS_PARM0));
1497 }
1498
1499 /*
1500 =========
1501 VM_cos
1502 float   cos(float)
1503 =========
1504 */
1505 void VM_cos (void)
1506 {
1507         VM_SAFEPARMCOUNT(1,VM_cos);
1508         PRVM_G_FLOAT(OFS_RETURN) = cos(PRVM_G_FLOAT(OFS_PARM0));
1509 }
1510
1511 /*
1512 =========
1513 VM_sqrt
1514
1515 float   sqrt(float)
1516 =========
1517 */
1518 void VM_sqrt (void)
1519 {
1520         VM_SAFEPARMCOUNT(1,VM_sqrt);
1521         PRVM_G_FLOAT(OFS_RETURN) = sqrt(PRVM_G_FLOAT(OFS_PARM0));
1522 }
1523
1524 /*
1525 =========
1526 VM_asin
1527
1528 float   asin(float)
1529 =========
1530 */
1531 void VM_asin (void)
1532 {
1533         VM_SAFEPARMCOUNT(1,VM_asin);
1534         PRVM_G_FLOAT(OFS_RETURN) = asin(PRVM_G_FLOAT(OFS_PARM0));
1535 }
1536
1537 /*
1538 =========
1539 VM_acos
1540 float   acos(float)
1541 =========
1542 */
1543 void VM_acos (void)
1544 {
1545         VM_SAFEPARMCOUNT(1,VM_acos);
1546         PRVM_G_FLOAT(OFS_RETURN) = acos(PRVM_G_FLOAT(OFS_PARM0));
1547 }
1548
1549 /*
1550 =========
1551 VM_atan
1552 float   atan(float)
1553 =========
1554 */
1555 void VM_atan (void)
1556 {
1557         VM_SAFEPARMCOUNT(1,VM_atan);
1558         PRVM_G_FLOAT(OFS_RETURN) = atan(PRVM_G_FLOAT(OFS_PARM0));
1559 }
1560
1561 /*
1562 =========
1563 VM_atan2
1564 float   atan2(float,float)
1565 =========
1566 */
1567 void VM_atan2 (void)
1568 {
1569         VM_SAFEPARMCOUNT(2,VM_atan2);
1570         PRVM_G_FLOAT(OFS_RETURN) = atan2(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1571 }
1572
1573 /*
1574 =========
1575 VM_tan
1576 float   tan(float)
1577 =========
1578 */
1579 void VM_tan (void)
1580 {
1581         VM_SAFEPARMCOUNT(1,VM_tan);
1582         PRVM_G_FLOAT(OFS_RETURN) = tan(PRVM_G_FLOAT(OFS_PARM0));
1583 }
1584
1585 /*
1586 =================
1587 VM_randomvec
1588
1589 Returns a vector of length < 1 and > 0
1590
1591 vector randomvec()
1592 =================
1593 */
1594 void VM_randomvec (void)
1595 {
1596         vec3_t          temp;
1597         //float         length;
1598
1599         VM_SAFEPARMCOUNT(0, VM_randomvec);
1600
1601         //// WTF ??
1602         do
1603         {
1604                 temp[0] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1605                 temp[1] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1606                 temp[2] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1607         }
1608         while (DotProduct(temp, temp) >= 1);
1609         VectorCopy (temp, PRVM_G_VECTOR(OFS_RETURN));
1610
1611         /*
1612         temp[0] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1613         temp[1] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1614         temp[2] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1615         // length returned always > 0
1616         length = (rand()&32766 + 1) * (1.0 / 32767.0) / VectorLength(temp);
1617         VectorScale(temp,length, temp);*/
1618         //VectorCopy(temp, PRVM_G_VECTOR(OFS_RETURN));
1619 }
1620
1621 //=============================================================================
1622
1623 /*
1624 =========
1625 VM_registercvar
1626
1627 float   registercvar (string name, string value[, float flags])
1628 =========
1629 */
1630 void VM_registercvar (void)
1631 {
1632         const char *name, *value;
1633         int     flags;
1634
1635         VM_SAFEPARMCOUNTRANGE(2, 3, VM_registercvar);
1636
1637         name = PRVM_G_STRING(OFS_PARM0);
1638         value = PRVM_G_STRING(OFS_PARM1);
1639         flags = prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : 0;
1640         PRVM_G_FLOAT(OFS_RETURN) = 0;
1641
1642         if(flags > CVAR_MAXFLAGSVAL)
1643                 return;
1644
1645 // first check to see if it has already been defined
1646         if (Cvar_FindVar (name))
1647                 return;
1648
1649 // check for overlap with a command
1650         if (Cmd_Exists (name))
1651         {
1652                 VM_Warning("VM_registercvar: %s is a command\n", name);
1653                 return;
1654         }
1655
1656         Cvar_Get(name, value, flags, NULL);
1657
1658         PRVM_G_FLOAT(OFS_RETURN) = 1; // success
1659 }
1660
1661
1662 /*
1663 =================
1664 VM_min
1665
1666 returns the minimum of two supplied floats
1667
1668 float min(float a, float b, ...[float])
1669 =================
1670 */
1671 void VM_min (void)
1672 {
1673         VM_SAFEPARMCOUNTRANGE(2, 8, VM_min);
1674         // LordHavoc: 3+ argument enhancement suggested by FrikaC
1675         if (prog->argc >= 3)
1676         {
1677                 int i;
1678                 float f = PRVM_G_FLOAT(OFS_PARM0);
1679                 for (i = 1;i < prog->argc;i++)
1680                         if (f > PRVM_G_FLOAT((OFS_PARM0+i*3)))
1681                                 f = PRVM_G_FLOAT((OFS_PARM0+i*3));
1682                 PRVM_G_FLOAT(OFS_RETURN) = f;
1683         }
1684         else
1685                 PRVM_G_FLOAT(OFS_RETURN) = min(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1686 }
1687
1688 /*
1689 =================
1690 VM_max
1691
1692 returns the maximum of two supplied floats
1693
1694 float   max(float a, float b, ...[float])
1695 =================
1696 */
1697 void VM_max (void)
1698 {
1699         VM_SAFEPARMCOUNTRANGE(2, 8, VM_max);
1700         // LordHavoc: 3+ argument enhancement suggested by FrikaC
1701         if (prog->argc >= 3)
1702         {
1703                 int i;
1704                 float f = PRVM_G_FLOAT(OFS_PARM0);
1705                 for (i = 1;i < prog->argc;i++)
1706                         if (f < PRVM_G_FLOAT((OFS_PARM0+i*3)))
1707                                 f = PRVM_G_FLOAT((OFS_PARM0+i*3));
1708                 PRVM_G_FLOAT(OFS_RETURN) = f;
1709         }
1710         else
1711                 PRVM_G_FLOAT(OFS_RETURN) = max(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1712 }
1713
1714 /*
1715 =================
1716 VM_bound
1717
1718 returns number bounded by supplied range
1719
1720 float   bound(float min, float value, float max)
1721 =================
1722 */
1723 void VM_bound (void)
1724 {
1725         VM_SAFEPARMCOUNT(3,VM_bound);
1726         PRVM_G_FLOAT(OFS_RETURN) = bound(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1), PRVM_G_FLOAT(OFS_PARM2));
1727 }
1728
1729 /*
1730 =================
1731 VM_pow
1732
1733 returns a raised to power b
1734
1735 float   pow(float a, float b)
1736 =================
1737 */
1738 void VM_pow (void)
1739 {
1740         VM_SAFEPARMCOUNT(2,VM_pow);
1741         PRVM_G_FLOAT(OFS_RETURN) = pow(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1742 }
1743
1744 void VM_log (void)
1745 {
1746         VM_SAFEPARMCOUNT(1,VM_log);
1747         PRVM_G_FLOAT(OFS_RETURN) = log(PRVM_G_FLOAT(OFS_PARM0));
1748 }
1749
1750 void VM_Files_Init(void)
1751 {
1752         int i;
1753         for (i = 0;i < PRVM_MAX_OPENFILES;i++)
1754                 prog->openfiles[i] = NULL;
1755 }
1756
1757 void VM_Files_CloseAll(void)
1758 {
1759         int i;
1760         for (i = 0;i < PRVM_MAX_OPENFILES;i++)
1761         {
1762                 if (prog->openfiles[i])
1763                         FS_Close(prog->openfiles[i]);
1764                 prog->openfiles[i] = NULL;
1765         }
1766 }
1767
1768 static qfile_t *VM_GetFileHandle( int index )
1769 {
1770         if (index < 0 || index >= PRVM_MAX_OPENFILES)
1771         {
1772                 Con_Printf("VM_GetFileHandle: invalid file handle %i used in %s\n", index, PRVM_NAME);
1773                 return NULL;
1774         }
1775         if (prog->openfiles[index] == NULL)
1776         {
1777                 Con_Printf("VM_GetFileHandle: no such file handle %i (or file has been closed) in %s\n", index, PRVM_NAME);
1778                 return NULL;
1779         }
1780         return prog->openfiles[index];
1781 }
1782
1783 /*
1784 =========
1785 VM_fopen
1786
1787 float   fopen(string filename, float mode)
1788 =========
1789 */
1790 // float(string filename, float mode) fopen = #110;
1791 // opens a file inside quake/gamedir/data/ (mode is FILE_READ, FILE_APPEND, or FILE_WRITE),
1792 // returns fhandle >= 0 if successful, or fhandle < 0 if unable to open file for any reason
1793 void VM_fopen(void)
1794 {
1795         int filenum, mode;
1796         const char *modestring, *filename;
1797
1798         VM_SAFEPARMCOUNT(2,VM_fopen);
1799
1800         for (filenum = 0;filenum < PRVM_MAX_OPENFILES;filenum++)
1801                 if (prog->openfiles[filenum] == NULL)
1802                         break;
1803         if (filenum >= PRVM_MAX_OPENFILES)
1804         {
1805                 PRVM_G_FLOAT(OFS_RETURN) = -2;
1806                 VM_Warning("VM_fopen: %s ran out of file handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENFILES);
1807                 return;
1808         }
1809         filename = PRVM_G_STRING(OFS_PARM0);
1810         mode = (int)PRVM_G_FLOAT(OFS_PARM1);
1811         switch(mode)
1812         {
1813         case 0: // FILE_READ
1814                 modestring = "rb";
1815                 prog->openfiles[filenum] = FS_OpenVirtualFile(va("data/%s", filename), false);
1816                 if (prog->openfiles[filenum] == NULL)
1817                         prog->openfiles[filenum] = FS_OpenVirtualFile(va("%s", filename), false);
1818                 break;
1819         case 1: // FILE_APPEND
1820                 modestring = "a";
1821                 prog->openfiles[filenum] = FS_OpenRealFile(va("data/%s", filename), modestring, false);
1822                 break;
1823         case 2: // FILE_WRITE
1824                 modestring = "w";
1825                 prog->openfiles[filenum] = FS_OpenRealFile(va("data/%s", filename), modestring, false);
1826                 break;
1827         default:
1828                 PRVM_G_FLOAT(OFS_RETURN) = -3;
1829                 VM_Warning("VM_fopen: %s: no such mode %i (valid: 0 = read, 1 = append, 2 = write)\n", PRVM_NAME, mode);
1830                 return;
1831         }
1832
1833         if (prog->openfiles[filenum] == NULL)
1834         {
1835                 PRVM_G_FLOAT(OFS_RETURN) = -1;
1836                 if (developer_extra.integer)
1837                         VM_Warning("VM_fopen: %s: %s mode %s failed\n", PRVM_NAME, filename, modestring);
1838         }
1839         else
1840         {
1841                 PRVM_G_FLOAT(OFS_RETURN) = filenum;
1842                 if (developer_extra.integer)
1843                         Con_DPrintf("VM_fopen: %s: %s mode %s opened as #%i\n", PRVM_NAME, filename, modestring, filenum);
1844                 prog->openfiles_origin[filenum] = PRVM_AllocationOrigin();
1845         }
1846 }
1847
1848 /*
1849 =========
1850 VM_fclose
1851
1852 fclose(float fhandle)
1853 =========
1854 */
1855 //void(float fhandle) fclose = #111; // closes a file
1856 void VM_fclose(void)
1857 {
1858         int filenum;
1859
1860         VM_SAFEPARMCOUNT(1,VM_fclose);
1861
1862         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1863         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1864         {
1865                 VM_Warning("VM_fclose: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
1866                 return;
1867         }
1868         if (prog->openfiles[filenum] == NULL)
1869         {
1870                 VM_Warning("VM_fclose: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
1871                 return;
1872         }
1873         FS_Close(prog->openfiles[filenum]);
1874         prog->openfiles[filenum] = NULL;
1875         if(prog->openfiles_origin[filenum])
1876                 PRVM_Free((char *)prog->openfiles_origin[filenum]);
1877         if (developer_extra.integer)
1878                 Con_DPrintf("VM_fclose: %s: #%i closed\n", PRVM_NAME, filenum);
1879 }
1880
1881 /*
1882 =========
1883 VM_fgets
1884
1885 string  fgets(float fhandle)
1886 =========
1887 */
1888 //string(float fhandle) fgets = #112; // reads a line of text from the file and returns as a tempstring
1889 void VM_fgets(void)
1890 {
1891         int c, end;
1892         char string[VM_STRINGTEMP_LENGTH];
1893         int filenum;
1894
1895         VM_SAFEPARMCOUNT(1,VM_fgets);
1896
1897         // set the return value regardless of any possible errors
1898         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1899
1900         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1901         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1902         {
1903                 VM_Warning("VM_fgets: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
1904                 return;
1905         }
1906         if (prog->openfiles[filenum] == NULL)
1907         {
1908                 VM_Warning("VM_fgets: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
1909                 return;
1910         }
1911         end = 0;
1912         for (;;)
1913         {
1914                 c = FS_Getc(prog->openfiles[filenum]);
1915                 if (c == '\r' || c == '\n' || c < 0)
1916                         break;
1917                 if (end < VM_STRINGTEMP_LENGTH - 1)
1918                         string[end++] = c;
1919         }
1920         string[end] = 0;
1921         // remove \n following \r
1922         if (c == '\r')
1923         {
1924                 c = FS_Getc(prog->openfiles[filenum]);
1925                 if (c != '\n')
1926                         FS_UnGetc(prog->openfiles[filenum], (unsigned char)c);
1927         }
1928         if (developer_extra.integer)
1929                 Con_DPrintf("fgets: %s: %s\n", PRVM_NAME, string);
1930         if (c >= 0 || end)
1931                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
1932 }
1933
1934 /*
1935 =========
1936 VM_fputs
1937
1938 fputs(float fhandle, string s)
1939 =========
1940 */
1941 //void(float fhandle, string s) fputs = #113; // writes a line of text to the end of the file
1942 void VM_fputs(void)
1943 {
1944         int stringlength;
1945         char string[VM_STRINGTEMP_LENGTH];
1946         int filenum;
1947
1948         VM_SAFEPARMCOUNT(2,VM_fputs);
1949
1950         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1951         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1952         {
1953                 VM_Warning("VM_fputs: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
1954                 return;
1955         }
1956         if (prog->openfiles[filenum] == NULL)
1957         {
1958                 VM_Warning("VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
1959                 return;
1960         }
1961         VM_VarString(1, string, sizeof(string));
1962         if ((stringlength = (int)strlen(string)))
1963                 FS_Write(prog->openfiles[filenum], string, stringlength);
1964         if (developer_extra.integer)
1965                 Con_DPrintf("fputs: %s: %s\n", PRVM_NAME, string);
1966 }
1967
1968 /*
1969 =========
1970 VM_writetofile
1971
1972         writetofile(float fhandle, entity ent)
1973 =========
1974 */
1975 void VM_writetofile(void)
1976 {
1977         prvm_edict_t * ent;
1978         qfile_t *file;
1979
1980         VM_SAFEPARMCOUNT(2, VM_writetofile);
1981
1982         file = VM_GetFileHandle( (int)PRVM_G_FLOAT(OFS_PARM0) );
1983         if( !file )
1984         {
1985                 VM_Warning("VM_writetofile: invalid or closed file handle\n");
1986                 return;
1987         }
1988
1989         ent = PRVM_G_EDICT(OFS_PARM1);
1990         if(ent->priv.required->free)
1991         {
1992                 VM_Warning("VM_writetofile: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
1993                 return;
1994         }
1995
1996         PRVM_ED_Write (file, ent);
1997 }
1998
1999 // KrimZon - DP_QC_ENTITYDATA
2000 /*
2001 =========
2002 VM_numentityfields
2003
2004 float() numentityfields
2005 Return the number of entity fields - NOT offsets
2006 =========
2007 */
2008 void VM_numentityfields(void)
2009 {
2010         PRVM_G_FLOAT(OFS_RETURN) = prog->numfielddefs;
2011 }
2012
2013 // KrimZon - DP_QC_ENTITYDATA
2014 /*
2015 =========
2016 VM_entityfieldname
2017
2018 string(float fieldnum) entityfieldname
2019 Return name of the specified field as a string, or empty if the field is invalid (warning)
2020 =========
2021 */
2022 void VM_entityfieldname(void)
2023 {
2024         ddef_t *d;
2025         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2026
2027         if (i < 0 || i >= prog->numfielddefs)
2028         {
2029         VM_Warning("VM_entityfieldname: %s: field index out of bounds\n", PRVM_NAME);
2030         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2031                 return;
2032         }
2033
2034         d = &prog->fielddefs[i];
2035         PRVM_G_INT(OFS_RETURN) = d->s_name; // presuming that s_name points to a string already
2036 }
2037
2038 // KrimZon - DP_QC_ENTITYDATA
2039 /*
2040 =========
2041 VM_entityfieldtype
2042
2043 float(float fieldnum) entityfieldtype
2044 =========
2045 */
2046 void VM_entityfieldtype(void)
2047 {
2048         ddef_t *d;
2049         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2050
2051         if (i < 0 || i >= prog->numfielddefs)
2052         {
2053                 VM_Warning("VM_entityfieldtype: %s: field index out of bounds\n", PRVM_NAME);
2054                 PRVM_G_FLOAT(OFS_RETURN) = -1.0;
2055                 return;
2056         }
2057
2058         d = &prog->fielddefs[i];
2059         PRVM_G_FLOAT(OFS_RETURN) = (float)d->type;
2060 }
2061
2062 // KrimZon - DP_QC_ENTITYDATA
2063 /*
2064 =========
2065 VM_getentityfieldstring
2066
2067 string(float fieldnum, entity ent) getentityfieldstring
2068 =========
2069 */
2070 void VM_getentityfieldstring(void)
2071 {
2072         // put the data into a string
2073         ddef_t *d;
2074         int type, j;
2075         int *v;
2076         prvm_edict_t * ent;
2077         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2078
2079         if (i < 0 || i >= prog->numfielddefs)
2080         {
2081         VM_Warning("VM_entityfielddata: %s: field index out of bounds\n", PRVM_NAME);
2082                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2083                 return;
2084         }
2085
2086         d = &prog->fielddefs[i];
2087
2088         // get the entity
2089         ent = PRVM_G_EDICT(OFS_PARM1);
2090         if(ent->priv.required->free)
2091         {
2092                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2093                 VM_Warning("VM_entityfielddata: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2094                 return;
2095         }
2096         v = (int *)((char *)ent->fields.vp + d->ofs*4);
2097
2098         // if it's 0 or blank, return an empty string
2099         type = d->type & ~DEF_SAVEGLOBAL;
2100         for (j=0 ; j<prvm_type_size[type] ; j++)
2101                 if (v[j])
2102                         break;
2103         if (j == prvm_type_size[type])
2104         {
2105                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2106                 return;
2107         }
2108
2109         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(PRVM_UglyValueString((etype_t)d->type, (prvm_eval_t *)v));
2110 }
2111
2112 // KrimZon - DP_QC_ENTITYDATA
2113 /*
2114 =========
2115 VM_putentityfieldstring
2116
2117 float(float fieldnum, entity ent, string s) putentityfieldstring
2118 =========
2119 */
2120 void VM_putentityfieldstring(void)
2121 {
2122         ddef_t *d;
2123         prvm_edict_t * ent;
2124         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2125
2126         if (i < 0 || i >= prog->numfielddefs)
2127         {
2128         VM_Warning("VM_entityfielddata: %s: field index out of bounds\n", PRVM_NAME);
2129                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2130                 return;
2131         }
2132
2133         d = &prog->fielddefs[i];
2134
2135         // get the entity
2136         ent = PRVM_G_EDICT(OFS_PARM1);
2137         if(ent->priv.required->free)
2138         {
2139                 VM_Warning("VM_entityfielddata: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2140                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2141                 return;
2142         }
2143
2144         // parse the string into the value
2145         PRVM_G_FLOAT(OFS_RETURN) = ( PRVM_ED_ParseEpair(ent, d, PRVM_G_STRING(OFS_PARM2), false) ) ? 1.0f : 0.0f;
2146 }
2147
2148 /*
2149 =========
2150 VM_strlen
2151
2152 float   strlen(string s)
2153 =========
2154 */
2155 //float(string s) strlen = #114; // returns how many characters are in a string
2156 void VM_strlen(void)
2157 {
2158         VM_SAFEPARMCOUNT(1,VM_strlen);
2159
2160         //PRVM_G_FLOAT(OFS_RETURN) = strlen(PRVM_G_STRING(OFS_PARM0));
2161         PRVM_G_FLOAT(OFS_RETURN) = u8_strlen(PRVM_G_STRING(OFS_PARM0));
2162 }
2163
2164 // DRESK - Decolorized String
2165 /*
2166 =========
2167 VM_strdecolorize
2168
2169 string  strdecolorize(string s)
2170 =========
2171 */
2172 // string (string s) strdecolorize = #472; // returns the passed in string with color codes stripped
2173 void VM_strdecolorize(void)
2174 {
2175         char szNewString[VM_STRINGTEMP_LENGTH];
2176         const char *szString;
2177
2178         // Prepare Strings
2179         VM_SAFEPARMCOUNT(1,VM_strdecolorize);
2180         szString = PRVM_G_STRING(OFS_PARM0);
2181         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
2182         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
2183 }
2184
2185 // DRESK - String Length (not counting color codes)
2186 /*
2187 =========
2188 VM_strlennocol
2189
2190 float   strlennocol(string s)
2191 =========
2192 */
2193 // float(string s) strlennocol = #471; // returns how many characters are in a string not including color codes
2194 // For example, ^2Dresk returns a length of 5
2195 void VM_strlennocol(void)
2196 {
2197         const char *szString;
2198         int nCnt;
2199
2200         VM_SAFEPARMCOUNT(1,VM_strlennocol);
2201
2202         szString = PRVM_G_STRING(OFS_PARM0);
2203
2204         //nCnt = COM_StringLengthNoColors(szString, 0, NULL);
2205         nCnt = u8_COM_StringLengthNoColors(szString, 0, NULL);
2206
2207         PRVM_G_FLOAT(OFS_RETURN) = nCnt;
2208 }
2209
2210 // DRESK - String to Uppercase and Lowercase
2211 /*
2212 =========
2213 VM_strtolower
2214
2215 string  strtolower(string s)
2216 =========
2217 */
2218 // string (string s) strtolower = #480; // returns passed in string in lowercase form
2219 void VM_strtolower(void)
2220 {
2221         char szNewString[VM_STRINGTEMP_LENGTH];
2222         const char *szString;
2223
2224         // Prepare Strings
2225         VM_SAFEPARMCOUNT(1,VM_strtolower);
2226         szString = PRVM_G_STRING(OFS_PARM0);
2227
2228         COM_ToLowerString(szString, szNewString, sizeof(szNewString) );
2229
2230         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
2231 }
2232
2233 /*
2234 =========
2235 VM_strtoupper
2236
2237 string  strtoupper(string s)
2238 =========
2239 */
2240 // string (string s) strtoupper = #481; // returns passed in string in uppercase form
2241 void VM_strtoupper(void)
2242 {
2243         char szNewString[VM_STRINGTEMP_LENGTH];
2244         const char *szString;
2245
2246         // Prepare Strings
2247         VM_SAFEPARMCOUNT(1,VM_strtoupper);
2248         szString = PRVM_G_STRING(OFS_PARM0);
2249
2250         COM_ToUpperString(szString, szNewString, sizeof(szNewString) );
2251
2252         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
2253 }
2254
2255 /*
2256 =========
2257 VM_strcat
2258
2259 string strcat(string,string,...[string])
2260 =========
2261 */
2262 //string(string s1, string s2) strcat = #115;
2263 // concatenates two strings (for example "abc", "def" would return "abcdef")
2264 // and returns as a tempstring
2265 void VM_strcat(void)
2266 {
2267         char s[VM_STRINGTEMP_LENGTH];
2268         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strcat);
2269
2270         VM_VarString(0, s, sizeof(s));
2271         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
2272 }
2273
2274 /*
2275 =========
2276 VM_substring
2277
2278 string  substring(string s, float start, float length)
2279 =========
2280 */
2281 // string(string s, float start, float length) substring = #116;
2282 // returns a section of a string as a tempstring
2283 void VM_substring(void)
2284 {
2285         int start, length;
2286         int u_slength = 0, u_start;
2287         size_t u_length;
2288         const char *s;
2289         char string[VM_STRINGTEMP_LENGTH];
2290
2291         VM_SAFEPARMCOUNT(3,VM_substring);
2292
2293         /*
2294         s = PRVM_G_STRING(OFS_PARM0);
2295         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2296         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2297         slength = strlen(s);
2298
2299         if (start < 0) // FTE_STRINGS feature
2300                 start += slength;
2301         start = bound(0, start, slength);
2302
2303         if (length < 0) // FTE_STRINGS feature
2304                 length += slength - start + 1;
2305         maxlen = min((int)sizeof(string) - 1, slength - start);
2306         length = bound(0, length, maxlen);
2307
2308         memcpy(string, s + start, length);
2309         string[length] = 0;
2310         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2311         */
2312
2313         s = PRVM_G_STRING(OFS_PARM0);
2314         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2315         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2316
2317         if (start < 0) // FTE_STRINGS feature
2318         {
2319                 u_slength = u8_strlen(s);
2320                 start += u_slength;
2321                 start = bound(0, start, u_slength);
2322         }
2323
2324         if (length < 0) // FTE_STRINGS feature
2325         {
2326                 if (!u_slength) // it's not calculated when it's not needed above
2327                         u_slength = u8_strlen(s);
2328                 length += u_slength - start + 1;
2329         }
2330
2331         // positive start, positive length
2332         u_start = u8_byteofs(s, start, NULL);
2333         if (u_start < 0)
2334         {
2335                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2336                 return;
2337         }
2338         u_length = u8_bytelen(s + u_start, length);
2339         if (u_length >= sizeof(string)-1)
2340                 u_length = sizeof(string)-1;
2341
2342         memcpy(string, s + u_start, u_length);
2343         string[u_length] = 0;
2344         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2345 }
2346
2347 /*
2348 =========
2349 VM_strreplace
2350
2351 string(string search, string replace, string subject) strreplace = #484;
2352 =========
2353 */
2354 // replaces all occurrences of search with replace in the string subject, and returns the result
2355 void VM_strreplace(void)
2356 {
2357         int i, j, si;
2358         const char *search, *replace, *subject;
2359         char string[VM_STRINGTEMP_LENGTH];
2360         int search_len, replace_len, subject_len;
2361
2362         VM_SAFEPARMCOUNT(3,VM_strreplace);
2363
2364         search = PRVM_G_STRING(OFS_PARM0);
2365         replace = PRVM_G_STRING(OFS_PARM1);
2366         subject = PRVM_G_STRING(OFS_PARM2);
2367
2368         search_len = (int)strlen(search);
2369         replace_len = (int)strlen(replace);
2370         subject_len = (int)strlen(subject);
2371
2372         si = 0;
2373         for (i = 0; i <= subject_len - search_len; i++)
2374         {
2375                 for (j = 0; j < search_len; j++) // thus, i+j < subject_len
2376                         if (subject[i+j] != search[j])
2377                                 break;
2378                 if (j == search_len)
2379                 {
2380                         // NOTE: if search_len == 0, we always hit THIS case, and never the other
2381                         // found it at offset 'i'
2382                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2383                                 string[si++] = replace[j];
2384                         if(search_len > 0)
2385                         {
2386                                 i += search_len - 1;
2387                         }
2388                         else
2389                         {
2390                                 // the above would subtract 1 from i... so we
2391                                 // don't do that, but instead output the next
2392                                 // char
2393                                 if (si < (int)sizeof(string) - 1)
2394                                         string[si++] = subject[i];
2395                         }
2396                 }
2397                 else
2398                 {
2399                         // in THIS case, we know search_len > 0, thus i < subject_len
2400                         // not found
2401                         if (si < (int)sizeof(string) - 1)
2402                                 string[si++] = subject[i];
2403                 }
2404         }
2405         // remaining chars (these cannot match)
2406         for (; i < subject_len; i++)
2407                 if (si < (int)sizeof(string) - 1)
2408                         string[si++] = subject[i];
2409         string[si] = '\0';
2410
2411         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2412 }
2413
2414 /*
2415 =========
2416 VM_strireplace
2417
2418 string(string search, string replace, string subject) strireplace = #485;
2419 =========
2420 */
2421 // case-insensitive version of strreplace
2422 void VM_strireplace(void)
2423 {
2424         int i, j, si;
2425         const char *search, *replace, *subject;
2426         char string[VM_STRINGTEMP_LENGTH];
2427         int search_len, replace_len, subject_len;
2428
2429         VM_SAFEPARMCOUNT(3,VM_strreplace);
2430
2431         search = PRVM_G_STRING(OFS_PARM0);
2432         replace = PRVM_G_STRING(OFS_PARM1);
2433         subject = PRVM_G_STRING(OFS_PARM2);
2434
2435         search_len = (int)strlen(search);
2436         replace_len = (int)strlen(replace);
2437         subject_len = (int)strlen(subject);
2438
2439         si = 0;
2440         for (i = 0; i <= subject_len - search_len; i++)
2441         {
2442                 for (j = 0; j < search_len; j++) // thus, i+j < subject_len
2443                         if (tolower(subject[i+j]) != tolower(search[j]))
2444                                 break;
2445                 if (j == search_len)
2446                 {
2447                         // NOTE: if search_len == 0, we always hit THIS case, and never the other
2448                         // found it at offset 'i'
2449                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2450                                 string[si++] = replace[j];
2451                         if(search_len > 0)
2452                         {
2453                                 i += search_len - 1;
2454                         }
2455                         else
2456                         {
2457                                 // the above would subtract 1 from i... so we
2458                                 // don't do that, but instead output the next
2459                                 // char
2460                                 if (si < (int)sizeof(string) - 1)
2461                                         string[si++] = subject[i];
2462                         }
2463                 }
2464                 else
2465                 {
2466                         // in THIS case, we know search_len > 0, thus i < subject_len
2467                         // not found
2468                         if (si < (int)sizeof(string) - 1)
2469                                 string[si++] = subject[i];
2470                 }
2471         }
2472         // remaining chars (these cannot match)
2473         for (; i < subject_len; i++)
2474                 if (si < (int)sizeof(string) - 1)
2475                         string[si++] = subject[i];
2476         string[si] = '\0';
2477
2478         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2479 }
2480
2481 /*
2482 =========
2483 VM_stov
2484
2485 vector  stov(string s)
2486 =========
2487 */
2488 //vector(string s) stov = #117; // returns vector value from a string
2489 void VM_stov(void)
2490 {
2491         char string[VM_STRINGTEMP_LENGTH];
2492
2493         VM_SAFEPARMCOUNT(1,VM_stov);
2494
2495         VM_VarString(0, string, sizeof(string));
2496         Math_atov(string, PRVM_G_VECTOR(OFS_RETURN));
2497 }
2498
2499 /*
2500 =========
2501 VM_strzone
2502
2503 string  strzone(string s)
2504 =========
2505 */
2506 //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)
2507 void VM_strzone(void)
2508 {
2509         char *out;
2510         char string[VM_STRINGTEMP_LENGTH];
2511         size_t alloclen;
2512
2513         VM_SAFEPARMCOUNT(1,VM_strzone);
2514
2515         VM_VarString(0, string, sizeof(string));
2516         alloclen = strlen(string) + 1;
2517         PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(alloclen, &out);
2518         memcpy(out, string, alloclen);
2519 }
2520
2521 /*
2522 =========
2523 VM_strunzone
2524
2525 strunzone(string s)
2526 =========
2527 */
2528 //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!!!)
2529 void VM_strunzone(void)
2530 {
2531         VM_SAFEPARMCOUNT(1,VM_strunzone);
2532         PRVM_FreeString(PRVM_G_INT(OFS_PARM0));
2533 }
2534
2535 /*
2536 =========
2537 VM_command (used by client and menu)
2538
2539 clientcommand(float client, string s) (for client and menu)
2540 =========
2541 */
2542 //void(entity e, string s) clientcommand = #440; // executes a command string as if it came from the specified client
2543 //this function originally written by KrimZon, made shorter by LordHavoc
2544 void VM_clcommand (void)
2545 {
2546         client_t *temp_client;
2547         int i;
2548
2549         VM_SAFEPARMCOUNT(2,VM_clcommand);
2550
2551         i = (int)PRVM_G_FLOAT(OFS_PARM0);
2552         if (!sv.active  || i < 0 || i >= svs.maxclients || !svs.clients[i].active)
2553         {
2554                 VM_Warning("VM_clientcommand: %s: invalid client/server is not active !\n", PRVM_NAME);
2555                 return;
2556         }
2557
2558         temp_client = host_client;
2559         host_client = svs.clients + i;
2560         Cmd_ExecuteString (PRVM_G_STRING(OFS_PARM1), src_client);
2561         host_client = temp_client;
2562 }
2563
2564
2565 /*
2566 =========
2567 VM_tokenize
2568
2569 float tokenize(string s)
2570 =========
2571 */
2572 //float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
2573 //this function originally written by KrimZon, made shorter by LordHavoc
2574 //20040203: rewritten by LordHavoc (no longer uses allocations)
2575 static int num_tokens = 0;
2576 static int tokens[VM_STRINGTEMP_LENGTH / 2];
2577 static int tokens_startpos[VM_STRINGTEMP_LENGTH / 2];
2578 static int tokens_endpos[VM_STRINGTEMP_LENGTH / 2];
2579 static char tokenize_string[VM_STRINGTEMP_LENGTH];
2580 void VM_tokenize (void)
2581 {
2582         const char *p;
2583
2584         VM_SAFEPARMCOUNT(1,VM_tokenize);
2585
2586         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2587         p = tokenize_string;
2588
2589         num_tokens = 0;
2590         for(;;)
2591         {
2592                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2593                         break;
2594
2595                 // skip whitespace here to find token start pos
2596                 while(*p && ISWHITESPACE(*p))
2597                         ++p;
2598
2599                 tokens_startpos[num_tokens] = p - tokenize_string;
2600                 if(!COM_ParseToken_VM_Tokenize(&p, false))
2601                         break;
2602                 tokens_endpos[num_tokens] = p - tokenize_string;
2603                 tokens[num_tokens] = PRVM_SetTempString(com_token);
2604                 ++num_tokens;
2605         }
2606
2607         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2608 }
2609
2610 //float(string s) tokenize = #514; // takes apart a string into individal words (access them with argv), returns how many
2611 void VM_tokenize_console (void)
2612 {
2613         const char *p;
2614
2615         VM_SAFEPARMCOUNT(1,VM_tokenize);
2616
2617         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2618         p = tokenize_string;
2619
2620         num_tokens = 0;
2621         for(;;)
2622         {
2623                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2624                         break;
2625
2626                 // skip whitespace here to find token start pos
2627                 while(*p && ISWHITESPACE(*p))
2628                         ++p;
2629
2630                 tokens_startpos[num_tokens] = p - tokenize_string;
2631                 if(!COM_ParseToken_Console(&p))
2632                         break;
2633                 tokens_endpos[num_tokens] = p - tokenize_string;
2634                 tokens[num_tokens] = PRVM_SetTempString(com_token);
2635                 ++num_tokens;
2636         }
2637
2638         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2639 }
2640
2641 /*
2642 =========
2643 VM_tokenizebyseparator
2644
2645 float tokenizebyseparator(string s, string separator1, ...)
2646 =========
2647 */
2648 //float(string s, string separator1, ...) tokenizebyseparator = #479; // takes apart a string into individal words (access them with argv), returns how many
2649 //this function returns the token preceding each instance of a separator (of
2650 //which there can be multiple), and the text following the last separator
2651 //useful for parsing certain kinds of data like IP addresses
2652 //example:
2653 //numnumbers = tokenizebyseparator("10.1.2.3", ".");
2654 //returns 4 and the tokens "10" "1" "2" "3".
2655 void VM_tokenizebyseparator (void)
2656 {
2657         int j, k;
2658         int numseparators;
2659         int separatorlen[7];
2660         const char *separators[7];
2661         const char *p, *p0;
2662         const char *token;
2663         char tokentext[MAX_INPUTLINE];
2664
2665         VM_SAFEPARMCOUNTRANGE(2, 8,VM_tokenizebyseparator);
2666
2667         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2668         p = tokenize_string;
2669
2670         numseparators = 0;
2671         for (j = 1;j < prog->argc;j++)
2672         {
2673                 // skip any blank separator strings
2674                 const char *s = PRVM_G_STRING(OFS_PARM0+j*3);
2675                 if (!s[0])
2676                         continue;
2677                 separators[numseparators] = s;
2678                 separatorlen[numseparators] = strlen(s);
2679                 numseparators++;
2680         }
2681
2682         num_tokens = 0;
2683         j = 0;
2684
2685         while (num_tokens < (int)(sizeof(tokens)/sizeof(tokens[0])))
2686         {
2687                 token = tokentext + j;
2688                 tokens_startpos[num_tokens] = p - tokenize_string;
2689                 p0 = p;
2690                 while (*p)
2691                 {
2692                         for (k = 0;k < numseparators;k++)
2693                         {
2694                                 if (!strncmp(p, separators[k], separatorlen[k]))
2695                                 {
2696                                         p += separatorlen[k];
2697                                         break;
2698                                 }
2699                         }
2700                         if (k < numseparators)
2701                                 break;
2702                         if (j < (int)sizeof(tokentext)-1)
2703                                 tokentext[j++] = *p;
2704                         p++;
2705                         p0 = p;
2706                 }
2707                 tokens_endpos[num_tokens] = p0 - tokenize_string;
2708                 if (j >= (int)sizeof(tokentext))
2709                         break;
2710                 tokentext[j++] = 0;
2711                 tokens[num_tokens++] = PRVM_SetTempString(token);
2712                 if (!*p)
2713                         break;
2714         }
2715
2716         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2717 }
2718
2719 //string(float n) argv = #442; // returns a word from the tokenized string (returns nothing for an invalid index)
2720 //this function originally written by KrimZon, made shorter by LordHavoc
2721 void VM_argv (void)
2722 {
2723         int token_num;
2724
2725         VM_SAFEPARMCOUNT(1,VM_argv);
2726
2727         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2728
2729         if(token_num < 0)
2730                 token_num += num_tokens;
2731
2732         if (token_num >= 0 && token_num < num_tokens)
2733                 PRVM_G_INT(OFS_RETURN) = tokens[token_num];
2734         else
2735                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
2736 }
2737
2738 //float(float n) argv_start_index = #515; // returns the start index of a token
2739 void VM_argv_start_index (void)
2740 {
2741         int token_num;
2742
2743         VM_SAFEPARMCOUNT(1,VM_argv);
2744
2745         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2746
2747         if(token_num < 0)
2748                 token_num += num_tokens;
2749
2750         if (token_num >= 0 && token_num < num_tokens)
2751                 PRVM_G_FLOAT(OFS_RETURN) = tokens_startpos[token_num];
2752         else
2753                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2754 }
2755
2756 //float(float n) argv_end_index = #516; // returns the end index of a token
2757 void VM_argv_end_index (void)
2758 {
2759         int token_num;
2760
2761         VM_SAFEPARMCOUNT(1,VM_argv);
2762
2763         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2764
2765         if(token_num < 0)
2766                 token_num += num_tokens;
2767
2768         if (token_num >= 0 && token_num < num_tokens)
2769                 PRVM_G_FLOAT(OFS_RETURN) = tokens_endpos[token_num];
2770         else
2771                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2772 }
2773
2774 /*
2775 =========
2776 VM_isserver
2777
2778 float   isserver()
2779 =========
2780 */
2781 void VM_isserver(void)
2782 {
2783         VM_SAFEPARMCOUNT(0,VM_serverstate);
2784
2785         PRVM_G_FLOAT(OFS_RETURN) = sv.active && (svs.maxclients > 1 || cls.state == ca_dedicated);
2786 }
2787
2788 /*
2789 =========
2790 VM_clientcount
2791
2792 float   clientcount()
2793 =========
2794 */
2795 void VM_clientcount(void)
2796 {
2797         VM_SAFEPARMCOUNT(0,VM_clientcount);
2798
2799         PRVM_G_FLOAT(OFS_RETURN) = svs.maxclients;
2800 }
2801
2802 /*
2803 =========
2804 VM_clientstate
2805
2806 float   clientstate()
2807 =========
2808 */
2809 void VM_clientstate(void)
2810 {
2811         VM_SAFEPARMCOUNT(0,VM_clientstate);
2812
2813
2814         switch( cls.state ) {
2815                 case ca_uninitialized:
2816                 case ca_dedicated:
2817                         PRVM_G_FLOAT(OFS_RETURN) = 0;
2818                         break;
2819                 case ca_disconnected:
2820                         PRVM_G_FLOAT(OFS_RETURN) = 1;
2821                         break;
2822                 case ca_connected:
2823                         PRVM_G_FLOAT(OFS_RETURN) = 2;
2824                         break;
2825                 default:
2826                         // should never be reached!
2827                         break;
2828         }
2829 }
2830
2831 /*
2832 =========
2833 VM_getostype
2834
2835 float   getostype(void)
2836 =========
2837 */ // not used at the moment -> not included in the common list
2838 void VM_getostype(void)
2839 {
2840         VM_SAFEPARMCOUNT(0,VM_getostype);
2841
2842         /*
2843         OS_WINDOWS
2844         OS_LINUX
2845         OS_MAC - not supported
2846         */
2847
2848 #ifdef WIN32
2849         PRVM_G_FLOAT(OFS_RETURN) = 0;
2850 #elif defined(MACOSX)
2851         PRVM_G_FLOAT(OFS_RETURN) = 2;
2852 #else
2853         PRVM_G_FLOAT(OFS_RETURN) = 1;
2854 #endif
2855 }
2856
2857 /*
2858 =========
2859 VM_gettime
2860
2861 float   gettime(void)
2862 =========
2863 */
2864 extern double host_starttime;
2865 float CDAudio_GetPosition(void);
2866 void VM_gettime(void)
2867 {
2868         int timer_index;
2869
2870         VM_SAFEPARMCOUNTRANGE(0,1,VM_gettime);
2871
2872         if(prog->argc == 0)
2873         {
2874                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2875         }
2876         else
2877         {
2878                 timer_index = (int) PRVM_G_FLOAT(OFS_PARM0);
2879         switch(timer_index)
2880         {
2881             case 0: // GETTIME_FRAMESTART
2882                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2883                 break;
2884             case 1: // GETTIME_REALTIME
2885                 PRVM_G_FLOAT(OFS_RETURN) = (float) Sys_DoubleTime();
2886                 break;
2887             case 2: // GETTIME_HIRES
2888                 PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - realtime);
2889                 break;
2890             case 3: // GETTIME_UPTIME
2891                 PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - host_starttime);
2892                 break;
2893             case 4: // GETTIME_CDTRACK
2894                 PRVM_G_FLOAT(OFS_RETURN) = (float) CDAudio_GetPosition();
2895                 break;
2896                         default:
2897                                 VM_Warning("VM_gettime: %s: unsupported timer specified, returning realtime\n", PRVM_NAME);
2898                                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2899                                 break;
2900                 }
2901         }
2902 }
2903
2904 /*
2905 =========
2906 VM_getsoundtime
2907
2908 float   getsoundtime(void)
2909 =========
2910 */
2911
2912 void VM_getsoundtime (void)
2913 {
2914         int entnum, entchannel, pnum;
2915         VM_SAFEPARMCOUNT(2,VM_getsoundtime);
2916
2917         pnum = PRVM_GetProgNr();
2918         if (pnum == PRVM_MENUPROG)
2919         {
2920                 VM_Warning("VM_getsoundtime: %s: not supported on this progs\n", PRVM_NAME);
2921                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2922                 return;
2923         }
2924         entnum = ((pnum == PRVM_CLIENTPROG) ? MAX_EDICTS : 0) + PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2925         entchannel = (int)PRVM_G_FLOAT(OFS_PARM1);
2926         if (entchannel <= 0 || entchannel > 8)
2927                 VM_Warning("VM_getsoundtime: %s: bad channel %i\n", PRVM_NAME, entchannel);
2928         PRVM_G_FLOAT(OFS_RETURN) = (float)S_GetEntChannelPosition(entnum, entchannel);
2929 }
2930
2931 /*
2932 =========
2933 VM_GetSoundLen
2934
2935 string  soundlength (string sample)
2936 =========
2937 */
2938 void VM_soundlength (void)
2939 {
2940         const char *s;
2941
2942         VM_SAFEPARMCOUNT(1, VM_soundlength);
2943
2944         s = PRVM_G_STRING(OFS_PARM0);
2945         PRVM_G_FLOAT(OFS_RETURN) = S_SoundLength(s);
2946 }
2947
2948 /*
2949 =========
2950 VM_loadfromdata
2951
2952 loadfromdata(string data)
2953 =========
2954 */
2955 void VM_loadfromdata(void)
2956 {
2957         VM_SAFEPARMCOUNT(1,VM_loadentsfromfile);
2958
2959         PRVM_ED_LoadFromFile(PRVM_G_STRING(OFS_PARM0));
2960 }
2961
2962 /*
2963 ========================
2964 VM_parseentitydata
2965
2966 parseentitydata(entity ent, string data)
2967 ========================
2968 */
2969 void VM_parseentitydata(void)
2970 {
2971         prvm_edict_t *ent;
2972         const char *data;
2973
2974         VM_SAFEPARMCOUNT(2, VM_parseentitydata);
2975
2976         // get edict and test it
2977         ent = PRVM_G_EDICT(OFS_PARM0);
2978         if (ent->priv.required->free)
2979                 PRVM_ERROR ("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2980
2981         data = PRVM_G_STRING(OFS_PARM1);
2982
2983         // parse the opening brace
2984         if (!COM_ParseToken_Simple(&data, false, false) || com_token[0] != '{' )
2985                 PRVM_ERROR ("VM_parseentitydata: %s: Couldn't parse entity data:\n%s", PRVM_NAME, data );
2986
2987         PRVM_ED_ParseEdict (data, ent);
2988 }
2989
2990 /*
2991 =========
2992 VM_loadfromfile
2993
2994 loadfromfile(string file)
2995 =========
2996 */
2997 void VM_loadfromfile(void)
2998 {
2999         const char *filename;
3000         char *data;
3001
3002         VM_SAFEPARMCOUNT(1,VM_loadfromfile);
3003
3004         filename = PRVM_G_STRING(OFS_PARM0);
3005         if (FS_CheckNastyPath(filename, false))
3006         {
3007                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3008                 VM_Warning("VM_loadfromfile: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", PRVM_NAME, filename);
3009                 return;
3010         }
3011
3012         // not conform with VM_fopen
3013         data = (char *)FS_LoadFile(filename, tempmempool, false, NULL);
3014         if (data == NULL)
3015                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3016
3017         PRVM_ED_LoadFromFile(data);
3018
3019         if(data)
3020                 Mem_Free(data);
3021 }
3022
3023
3024 /*
3025 =========
3026 VM_modulo
3027
3028 float   mod(float val, float m)
3029 =========
3030 */
3031 void VM_modulo(void)
3032 {
3033         int val, m;
3034         VM_SAFEPARMCOUNT(2,VM_module);
3035
3036         val = (int) PRVM_G_FLOAT(OFS_PARM0);
3037         m       = (int) PRVM_G_FLOAT(OFS_PARM1);
3038
3039         PRVM_G_FLOAT(OFS_RETURN) = (float) (val % m);
3040 }
3041
3042 void VM_Search_Init(void)
3043 {
3044         int i;
3045         for (i = 0;i < PRVM_MAX_OPENSEARCHES;i++)
3046                 prog->opensearches[i] = NULL;
3047 }
3048
3049 void VM_Search_Reset(void)
3050 {
3051         int i;
3052         // reset the fssearch list
3053         for(i = 0; i < PRVM_MAX_OPENSEARCHES; i++)
3054         {
3055                 if(prog->opensearches[i])
3056                         FS_FreeSearch(prog->opensearches[i]);
3057                 prog->opensearches[i] = NULL;
3058         }
3059 }
3060
3061 /*
3062 =========
3063 VM_search_begin
3064
3065 float search_begin(string pattern, float caseinsensitive, float quiet)
3066 =========
3067 */
3068 void VM_search_begin(void)
3069 {
3070         int handle;
3071         const char *pattern;
3072         int caseinsens, quiet;
3073
3074         VM_SAFEPARMCOUNT(3, VM_search_begin);
3075
3076         pattern = PRVM_G_STRING(OFS_PARM0);
3077
3078         VM_CheckEmptyString(pattern);
3079
3080         caseinsens = (int)PRVM_G_FLOAT(OFS_PARM1);
3081         quiet = (int)PRVM_G_FLOAT(OFS_PARM2);
3082
3083         for(handle = 0; handle < PRVM_MAX_OPENSEARCHES; handle++)
3084                 if(!prog->opensearches[handle])
3085                         break;
3086
3087         if(handle >= PRVM_MAX_OPENSEARCHES)
3088         {
3089                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3090                 VM_Warning("VM_search_begin: %s ran out of search handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENSEARCHES);
3091                 return;
3092         }
3093
3094         if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
3095                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3096         else
3097         {
3098                 prog->opensearches_origin[handle] = PRVM_AllocationOrigin();
3099                 PRVM_G_FLOAT(OFS_RETURN) = handle;
3100         }
3101 }
3102
3103 /*
3104 =========
3105 VM_search_end
3106
3107 void    search_end(float handle)
3108 =========
3109 */
3110 void VM_search_end(void)
3111 {
3112         int handle;
3113         VM_SAFEPARMCOUNT(1, VM_search_end);
3114
3115         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3116
3117         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3118         {
3119                 VM_Warning("VM_search_end: invalid handle %i used in %s\n", handle, PRVM_NAME);
3120                 return;
3121         }
3122         if(prog->opensearches[handle] == NULL)
3123         {
3124                 VM_Warning("VM_search_end: no such handle %i in %s\n", handle, PRVM_NAME);
3125                 return;
3126         }
3127
3128         FS_FreeSearch(prog->opensearches[handle]);
3129         prog->opensearches[handle] = NULL;
3130         if(prog->opensearches_origin[handle])
3131                 PRVM_Free((char *)prog->opensearches_origin[handle]);
3132 }
3133
3134 /*
3135 =========
3136 VM_search_getsize
3137
3138 float   search_getsize(float handle)
3139 =========
3140 */
3141 void VM_search_getsize(void)
3142 {
3143         int handle;
3144         VM_SAFEPARMCOUNT(1, VM_M_search_getsize);
3145
3146         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3147
3148         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3149         {
3150                 VM_Warning("VM_search_getsize: invalid handle %i used in %s\n", handle, PRVM_NAME);
3151                 return;
3152         }
3153         if(prog->opensearches[handle] == NULL)
3154         {
3155                 VM_Warning("VM_search_getsize: no such handle %i in %s\n", handle, PRVM_NAME);
3156                 return;
3157         }
3158
3159         PRVM_G_FLOAT(OFS_RETURN) = prog->opensearches[handle]->numfilenames;
3160 }
3161
3162 /*
3163 =========
3164 VM_search_getfilename
3165
3166 string  search_getfilename(float handle, float num)
3167 =========
3168 */
3169 void VM_search_getfilename(void)
3170 {
3171         int handle, filenum;
3172         VM_SAFEPARMCOUNT(2, VM_search_getfilename);
3173
3174         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3175         filenum = (int)PRVM_G_FLOAT(OFS_PARM1);
3176
3177         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3178         {
3179                 VM_Warning("VM_search_getfilename: invalid handle %i used in %s\n", handle, PRVM_NAME);
3180                 return;
3181         }
3182         if(prog->opensearches[handle] == NULL)
3183         {
3184                 VM_Warning("VM_search_getfilename: no such handle %i in %s\n", handle, PRVM_NAME);
3185                 return;
3186         }
3187         if(filenum < 0 || filenum >= prog->opensearches[handle]->numfilenames)
3188         {
3189                 VM_Warning("VM_search_getfilename: invalid filenum %i in %s\n", filenum, PRVM_NAME);
3190                 return;
3191         }
3192
3193         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog->opensearches[handle]->filenames[filenum]);
3194 }
3195
3196 /*
3197 =========
3198 VM_chr
3199
3200 string  chr(float ascii)
3201 =========
3202 */
3203 void VM_chr(void)
3204 {
3205         /*
3206         char tmp[2];
3207         VM_SAFEPARMCOUNT(1, VM_chr);
3208
3209         tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
3210         tmp[1] = 0;
3211
3212         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
3213         */
3214
3215         char tmp[8];
3216         int len;
3217         VM_SAFEPARMCOUNT(1, VM_chr);
3218
3219         len = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0), tmp, sizeof(tmp));
3220         tmp[len] = 0;
3221         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
3222 }
3223
3224 //=============================================================================
3225 // Draw builtins (client & menu)
3226
3227 /*
3228 =========
3229 VM_iscachedpic
3230
3231 float   iscachedpic(string pic)
3232 =========
3233 */
3234 void VM_iscachedpic(void)
3235 {
3236         VM_SAFEPARMCOUNT(1,VM_iscachedpic);
3237
3238         // drawq hasnt such a function, thus always return true
3239         PRVM_G_FLOAT(OFS_RETURN) = false;
3240 }
3241
3242 /*
3243 =========
3244 VM_precache_pic
3245
3246 string  precache_pic(string pic)
3247 =========
3248 */
3249 void VM_precache_pic(void)
3250 {
3251         const char      *s;
3252
3253         VM_SAFEPARMCOUNT(1, VM_precache_pic);
3254
3255         s = PRVM_G_STRING(OFS_PARM0);
3256         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
3257         VM_CheckEmptyString (s);
3258
3259         // AK Draw_CachePic is supposed to always return a valid pointer
3260         if( Draw_CachePic_Flags(s, 0)->tex == r_texture_notexture )
3261                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
3262 }
3263
3264 /*
3265 =========
3266 VM_freepic
3267
3268 freepic(string s)
3269 =========
3270 */
3271 void VM_freepic(void)
3272 {
3273         const char *s;
3274
3275         VM_SAFEPARMCOUNT(1,VM_freepic);
3276
3277         s = PRVM_G_STRING(OFS_PARM0);
3278         VM_CheckEmptyString (s);
3279
3280         Draw_FreePic(s);
3281 }
3282
3283 void getdrawfontscale(float *sx, float *sy)
3284 {
3285         vec3_t v;
3286         *sx = *sy = 1;
3287         VectorCopy(PRVM_drawglobalvector(drawfontscale), v);
3288         if(VectorLength2(v) > 0)
3289         {
3290                 *sx = v[0];
3291                 *sy = v[1];
3292         }
3293 }
3294
3295 dp_font_t *getdrawfont(void)
3296 {
3297         int f = (int) PRVM_drawglobalfloat(drawfont);
3298         if(f < 0 || f >= dp_fonts.maxsize)
3299                 return FONT_DEFAULT;
3300         return &dp_fonts.f[f];
3301 }
3302
3303 /*
3304 =========
3305 VM_drawcharacter
3306
3307 float   drawcharacter(vector position, float character, vector scale, vector rgb, float alpha, float flag)
3308 =========
3309 */
3310 void VM_drawcharacter(void)
3311 {
3312         float *pos,*scale,*rgb;
3313         char   character;
3314         int flag;
3315         float sx, sy;
3316         VM_SAFEPARMCOUNT(6,VM_drawcharacter);
3317
3318         character = (char) PRVM_G_FLOAT(OFS_PARM1);
3319         if(character == 0)
3320         {
3321                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3322                 VM_Warning("VM_drawcharacter: %s passed null character !\n",PRVM_NAME);
3323                 return;
3324         }
3325
3326         pos = PRVM_G_VECTOR(OFS_PARM0);
3327         scale = PRVM_G_VECTOR(OFS_PARM2);
3328         rgb = PRVM_G_VECTOR(OFS_PARM3);
3329         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3330
3331         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3332         {
3333                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3334                 VM_Warning("VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3335                 return;
3336         }
3337
3338         if(pos[2] || scale[2])
3339                 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")));
3340
3341         if(!scale[0] || !scale[1])
3342         {
3343                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3344                 VM_Warning("VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3345                 return;
3346         }
3347
3348         getdrawfontscale(&sx, &sy);
3349         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());
3350         PRVM_G_FLOAT(OFS_RETURN) = 1;
3351 }
3352
3353 /*
3354 =========
3355 VM_drawstring
3356
3357 float   drawstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3358 =========
3359 */
3360 void VM_drawstring(void)
3361 {
3362         float *pos,*scale,*rgb;
3363         const char  *string;
3364         int flag;
3365         float sx, sy;
3366         VM_SAFEPARMCOUNT(6,VM_drawstring);
3367
3368         string = PRVM_G_STRING(OFS_PARM1);
3369         pos = PRVM_G_VECTOR(OFS_PARM0);
3370         scale = PRVM_G_VECTOR(OFS_PARM2);
3371         rgb = PRVM_G_VECTOR(OFS_PARM3);
3372         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3373
3374         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3375         {
3376                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3377                 VM_Warning("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3378                 return;
3379         }
3380
3381         if(!scale[0] || !scale[1])
3382         {
3383                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3384                 VM_Warning("VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3385                 return;
3386         }
3387
3388         if(pos[2] || scale[2])
3389                 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")));
3390
3391         getdrawfontscale(&sx, &sy);
3392         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());
3393         //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);
3394         PRVM_G_FLOAT(OFS_RETURN) = 1;
3395 }
3396
3397 /*
3398 =========
3399 VM_drawcolorcodedstring
3400
3401 float   drawcolorcodedstring(vector position, string text, vector scale, float alpha, float flag)
3402 /
3403 float   drawcolorcodedstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3404 =========
3405 */
3406 void VM_drawcolorcodedstring(void)
3407 {
3408         float *pos, *scale;
3409         const char  *string;
3410         int flag;
3411         vec3_t rgb;
3412         float sx, sy, alpha;
3413
3414         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawcolorcodedstring);
3415
3416         if (prog->argc == 6) // full 6 parms, like normal drawstring
3417         {
3418                 pos = PRVM_G_VECTOR(OFS_PARM0);
3419                 string = PRVM_G_STRING(OFS_PARM1);
3420                 scale = PRVM_G_VECTOR(OFS_PARM2);
3421                 VectorCopy(PRVM_G_VECTOR(OFS_PARM3), rgb);
3422                 alpha = PRVM_G_FLOAT(OFS_PARM4);
3423                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3424         }
3425         else
3426         {
3427                 pos = PRVM_G_VECTOR(OFS_PARM0);
3428                 string = PRVM_G_STRING(OFS_PARM1);
3429                 scale = PRVM_G_VECTOR(OFS_PARM2);
3430                 rgb[0] = 1.0;
3431                 rgb[1] = 1.0;
3432                 rgb[2] = 1.0;
3433                 alpha = PRVM_G_FLOAT(OFS_PARM3);
3434                 flag = (int)PRVM_G_FLOAT(OFS_PARM4);
3435         }
3436
3437         if(flag < DRAWFLAG_NORMAL || flag >= DRAWFLAG_NUMFLAGS)
3438         {
3439                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3440                 VM_Warning("VM_drawcolorcodedstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3441                 return;
3442         }
3443
3444         if(!scale[0] || !scale[1])
3445         {
3446                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3447                 VM_Warning("VM_drawcolorcodedstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3448                 return;
3449         }
3450
3451         if(pos[2] || scale[2])
3452                 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")));
3453
3454         getdrawfontscale(&sx, &sy);
3455         DrawQ_String_Scale(pos[0], pos[1], string, 0, scale[0], scale[1], sx, sy, rgb[0], rgb[1], rgb[2], alpha, flag, NULL, false, getdrawfont());
3456         if (prog->argc == 6) // also return vector of last color
3457                 VectorCopy(DrawQ_Color, PRVM_G_VECTOR(OFS_RETURN));
3458         else
3459                 PRVM_G_FLOAT(OFS_RETURN) = 1;
3460 }
3461 /*
3462 =========
3463 VM_stringwidth
3464
3465 float   stringwidth(string text, float allowColorCodes, float size)
3466 =========
3467 */
3468 void VM_stringwidth(void)
3469 {
3470         const char  *string;
3471         float *szv;
3472         float mult; // sz is intended font size so we can later add freetype support, mult is font size multiplier in pixels per character cell
3473         int colors;
3474         float sx, sy;
3475         size_t maxlen = 0;
3476         VM_SAFEPARMCOUNTRANGE(2,3,VM_drawstring);
3477
3478         getdrawfontscale(&sx, &sy);
3479         if(prog->argc == 3)
3480         {
3481                 szv = PRVM_G_VECTOR(OFS_PARM2);
3482                 mult = 1;
3483         }
3484         else
3485         {
3486                 // we want the width for 8x8 font size, divided by 8
3487                 static float defsize[] = {8, 8};
3488                 szv = defsize;
3489                 mult = 0.125;
3490                 // to make sure snapping is turned off, ALWAYS use a nontrivial scale in this case
3491                 if(sx >= 0.9 && sx <= 1.1)
3492                 {
3493                         mult *= 2;
3494                         sx /= 2;
3495                         sy /= 2;
3496                 }
3497         }
3498
3499         string = PRVM_G_STRING(OFS_PARM0);
3500         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3501
3502         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_UntilWidth_TrackColors_Scale(string, &maxlen, szv[0], szv[1], sx, sy, NULL, !colors, getdrawfont(), 1000000000) * mult;
3503 /*
3504         if(prog->argc == 3)
3505         {
3506                 mult = sz = PRVM_G_FLOAT(OFS_PARM2);
3507         }
3508         else
3509         {
3510                 sz = 8;
3511                 mult = 1;
3512         }
3513
3514         string = PRVM_G_STRING(OFS_PARM0);
3515         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3516
3517         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth(string, 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
3518 */
3519 }
3520
3521 /*
3522 =========
3523 VM_findfont
3524
3525 float findfont(string s)
3526 =========
3527 */
3528
3529 float getdrawfontnum(const char *fontname)
3530 {
3531         int i;
3532
3533         for(i = 0; i < dp_fonts.maxsize; ++i)
3534                 if(!strcmp(dp_fonts.f[i].title, fontname))
3535                         return i;
3536         return -1;
3537 }
3538
3539 void VM_findfont(void)
3540 {
3541         VM_SAFEPARMCOUNT(1,VM_findfont);
3542         PRVM_G_FLOAT(OFS_RETURN) = getdrawfontnum(PRVM_G_STRING(OFS_PARM0));
3543 }
3544
3545 /*
3546 =========
3547 VM_loadfont
3548
3549 float loadfont(string fontname, string fontmaps, string sizes, float slot)
3550 =========
3551 */
3552
3553 dp_font_t *FindFont(const char *title, qboolean allocate_new);
3554 void LoadFont(qboolean override, const char *name, dp_font_t *fnt, float scale, float voffset);
3555 void VM_loadfont(void)
3556 {
3557         const char *fontname, *filelist, *sizes, *c, *cm;
3558         char mainfont[MAX_QPATH];
3559         int i, numsizes;
3560         float sz, scale, voffset;
3561         dp_font_t *f;
3562
3563         VM_SAFEPARMCOUNTRANGE(3,6,VM_loadfont);
3564
3565         fontname = PRVM_G_STRING(OFS_PARM0);
3566         if (!fontname[0])
3567                 fontname = "default";
3568
3569         filelist = PRVM_G_STRING(OFS_PARM1);
3570         if (!filelist[0])
3571                 filelist = "gfx/conchars";
3572
3573         sizes = PRVM_G_STRING(OFS_PARM2);
3574         if (!sizes[0])
3575                 sizes = "10";
3576
3577         // find a font
3578         f = NULL;
3579         if (prog->argc >= 4)
3580         {
3581                 i = PRVM_G_FLOAT(OFS_PARM3);
3582                 if (i >= 0 && i < dp_fonts.maxsize)
3583                 {
3584                         f = &dp_fonts.f[i];
3585                         strlcpy(f->title, fontname, sizeof(f->title)); // replace name
3586                 }
3587         }
3588         if (!f)
3589                 f = FindFont(fontname, true);
3590         if (!f)
3591         {
3592                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3593                 return; // something go wrong
3594         }
3595
3596         memset(f->fallbacks, 0, sizeof(f->fallbacks));
3597         memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
3598
3599         // first font is handled "normally"
3600         c = strchr(filelist, ':');
3601         cm = strchr(filelist, ',');
3602         if(c && (!cm || c < cm))
3603                 f->req_face = atoi(c+1);
3604         else
3605         {
3606                 f->req_face = 0;
3607                 c = cm;
3608         }
3609         if(!c || (c - filelist) > MAX_QPATH)
3610                 strlcpy(mainfont, filelist, sizeof(mainfont));
3611         else
3612         {
3613                 memcpy(mainfont, filelist, c - filelist);
3614                 mainfont[c - filelist] = 0;
3615         }
3616
3617         // handle fallbacks
3618         for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
3619         {
3620                 c = strchr(filelist, ',');
3621                 if(!c)
3622                         break;
3623                 filelist = c + 1;
3624                 if(!*filelist)
3625                         break;
3626                 c = strchr(filelist, ':');
3627                 cm = strchr(filelist, ',');
3628                 if(c && (!cm || c < cm))
3629                         f->fallback_faces[i] = atoi(c+1);
3630                 else
3631                 {
3632                         f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
3633                         c = cm;
3634                 }
3635                 if(!c || (c-filelist) > MAX_QPATH)
3636                 {
3637                         strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
3638                 }
3639                 else
3640                 {
3641                         memcpy(f->fallbacks[i], filelist, c - filelist);
3642                         f->fallbacks[i][c - filelist] = 0;
3643                 }
3644         }
3645
3646         // handle sizes
3647         for(i = 0; i < MAX_FONT_SIZES; ++i)
3648                 f->req_sizes[i] = -1;
3649         for (numsizes = 0,c = sizes;;)
3650         {
3651                 if (!COM_ParseToken_VM_Tokenize(&c, 0))
3652                         break;
3653                 sz = atof(com_token);
3654                 // detect crap size
3655                 if (sz < 0.001f || sz > 1000.0f)
3656                 {
3657                         VM_Warning("VM_loadfont: crap size %s", com_token);
3658                         continue;
3659                 }
3660                 // check overflow
3661                 if (numsizes == MAX_FONT_SIZES)
3662                 {
3663                         VM_Warning("VM_loadfont: MAX_FONT_SIZES = %i exceeded", MAX_FONT_SIZES);
3664                         break;
3665                 }
3666                 f->req_sizes[numsizes] = sz;
3667                 numsizes++;
3668         }
3669
3670         // additional scale/hoffset parms
3671         scale = 1;
3672         voffset = 0;
3673         if (prog->argc >= 5)
3674         {
3675                 scale = PRVM_G_FLOAT(OFS_PARM4);
3676                 if (scale <= 0)
3677                         scale = 1;
3678         }
3679         if (prog->argc >= 6)
3680                 voffset = PRVM_G_FLOAT(OFS_PARM5);
3681
3682         // load
3683         LoadFont(true, mainfont, f, scale, voffset);
3684
3685         // return index of loaded font
3686         PRVM_G_FLOAT(OFS_RETURN) = (f - dp_fonts.f);
3687 }
3688
3689 /*
3690 =========
3691 VM_drawpic
3692
3693 float   drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
3694 =========
3695 */
3696 void VM_drawpic(void)
3697 {
3698         const char *picname;
3699         float *size, *pos, *rgb;
3700         int flag;
3701
3702         VM_SAFEPARMCOUNT(6,VM_drawpic);
3703
3704         picname = PRVM_G_STRING(OFS_PARM1);
3705         VM_CheckEmptyString (picname);
3706
3707         // is pic cached ? no function yet for that
3708         if(!1)
3709         {
3710                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3711                 VM_Warning("VM_drawpic: %s: %s not cached !\n", PRVM_NAME, picname);
3712                 return;
3713         }
3714
3715         pos = PRVM_G_VECTOR(OFS_PARM0);
3716         size = PRVM_G_VECTOR(OFS_PARM2);
3717         rgb = PRVM_G_VECTOR(OFS_PARM3);
3718         flag = (int) PRVM_G_FLOAT(OFS_PARM5);
3719
3720         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3721         {
3722                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3723                 VM_Warning("VM_drawpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3724                 return;
3725         }
3726
3727         if(pos[2] || size[2])
3728                 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")));
3729
3730         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);
3731         PRVM_G_FLOAT(OFS_RETURN) = 1;
3732 }
3733 /*
3734 =========
3735 VM_drawrotpic
3736
3737 float   drawrotpic(vector position, string pic, vector size, vector org, float angle, vector rgb, float alpha, float flag)
3738 =========
3739 */
3740 void VM_drawrotpic(void)
3741 {
3742         const char *picname;
3743         float *size, *pos, *org, *rgb;
3744         int flag;
3745
3746         VM_SAFEPARMCOUNT(8,VM_drawrotpic);
3747
3748         picname = PRVM_G_STRING(OFS_PARM1);
3749         VM_CheckEmptyString (picname);
3750
3751         // is pic cached ? no function yet for that
3752         if(!1)
3753         {
3754                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3755                 VM_Warning("VM_drawrotpic: %s: %s not cached !\n", PRVM_NAME, picname);
3756                 return;
3757         }
3758
3759         pos = PRVM_G_VECTOR(OFS_PARM0);
3760         size = PRVM_G_VECTOR(OFS_PARM2);
3761         org = PRVM_G_VECTOR(OFS_PARM3);
3762         rgb = PRVM_G_VECTOR(OFS_PARM5);
3763         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3764
3765         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3766         {
3767                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3768                 VM_Warning("VM_drawrotpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3769                 return;
3770         }
3771
3772         if(pos[2] || size[2] || org[2])
3773                 Con_Printf("VM_drawrotpic: z value from pos/size/org discarded\n");
3774
3775         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);
3776         PRVM_G_FLOAT(OFS_RETURN) = 1;
3777 }
3778 /*
3779 =========
3780 VM_drawsubpic
3781
3782 float   drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
3783
3784 =========
3785 */
3786 void VM_drawsubpic(void)
3787 {
3788         const char *picname;
3789         float *size, *pos, *rgb, *srcPos, *srcSize, alpha;
3790         int flag;
3791
3792         VM_SAFEPARMCOUNT(8,VM_drawsubpic);
3793
3794         picname = PRVM_G_STRING(OFS_PARM2);
3795         VM_CheckEmptyString (picname);
3796
3797         // is pic cached ? no function yet for that
3798         if(!1)
3799         {
3800                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3801                 VM_Warning("VM_drawsubpic: %s: %s not cached !\n", PRVM_NAME, picname);
3802                 return;
3803         }
3804
3805         pos = PRVM_G_VECTOR(OFS_PARM0);
3806         size = PRVM_G_VECTOR(OFS_PARM1);
3807         srcPos = PRVM_G_VECTOR(OFS_PARM3);
3808         srcSize = PRVM_G_VECTOR(OFS_PARM4);
3809         rgb = PRVM_G_VECTOR(OFS_PARM5);
3810         alpha = PRVM_G_FLOAT(OFS_PARM6);
3811         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3812
3813         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3814         {
3815                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3816                 VM_Warning("VM_drawsubpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3817                 return;
3818         }
3819
3820         if(pos[2] || size[2])
3821                 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")));
3822
3823         DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT),
3824                 size[0], size[1],
3825                 srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3826                 srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3827                 srcPos[0],              srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3828                 srcPos[0] + srcSize[0], srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3829                 flag);
3830         PRVM_G_FLOAT(OFS_RETURN) = 1;
3831 }
3832
3833 /*
3834 =========
3835 VM_drawfill
3836
3837 float drawfill(vector position, vector size, vector rgb, float alpha, float flag)
3838 =========
3839 */
3840 void VM_drawfill(void)
3841 {
3842         float *size, *pos, *rgb;
3843         int flag;
3844
3845         VM_SAFEPARMCOUNT(5,VM_drawfill);
3846
3847
3848         pos = PRVM_G_VECTOR(OFS_PARM0);
3849         size = PRVM_G_VECTOR(OFS_PARM1);
3850         rgb = PRVM_G_VECTOR(OFS_PARM2);
3851         flag = (int) PRVM_G_FLOAT(OFS_PARM4);
3852
3853         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3854         {
3855                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3856                 VM_Warning("VM_drawfill: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3857                 return;
3858         }
3859
3860         if(pos[2] || size[2])
3861                 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")));
3862
3863         DrawQ_Fill(pos[0], pos[1], size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
3864         PRVM_G_FLOAT(OFS_RETURN) = 1;
3865 }
3866
3867 /*
3868 =========
3869 VM_drawsetcliparea
3870
3871 drawsetcliparea(float x, float y, float width, float height)
3872 =========
3873 */
3874 void VM_drawsetcliparea(void)
3875 {
3876         float x,y,w,h;
3877         VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
3878
3879         x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
3880         y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
3881         w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
3882         h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
3883
3884         DrawQ_SetClipArea(x, y, w, h);
3885 }
3886
3887 /*
3888 =========
3889 VM_drawresetcliparea
3890
3891 drawresetcliparea()
3892 =========
3893 */
3894 void VM_drawresetcliparea(void)
3895 {
3896         VM_SAFEPARMCOUNT(0,VM_drawresetcliparea);
3897
3898         DrawQ_ResetClipArea();
3899 }
3900
3901 /*
3902 =========
3903 VM_getimagesize
3904
3905 vector  getimagesize(string pic)
3906 =========
3907 */
3908 void VM_getimagesize(void)
3909 {
3910         const char *p;
3911         cachepic_t *pic;
3912
3913         VM_SAFEPARMCOUNT(1,VM_getimagesize);
3914
3915         p = PRVM_G_STRING(OFS_PARM0);
3916         VM_CheckEmptyString (p);
3917
3918         pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
3919
3920         PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
3921         PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
3922         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
3923 }
3924
3925 /*
3926 =========
3927 VM_keynumtostring
3928
3929 string keynumtostring(float keynum)
3930 =========
3931 */
3932 void VM_keynumtostring (void)
3933 {
3934         VM_SAFEPARMCOUNT(1, VM_keynumtostring);
3935
3936         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0)));
3937 }
3938
3939 /*
3940 =========
3941 VM_findkeysforcommand
3942
3943 string  findkeysforcommand(string command, float bindmap)
3944
3945 the returned string is an altstring
3946 =========
3947 */
3948 #define FKFC_NUMKEYS 5
3949 void M_FindKeysForCommand(const char *command, int *keys);
3950 void VM_findkeysforcommand(void)
3951 {
3952         const char *cmd;
3953         char ret[VM_STRINGTEMP_LENGTH];
3954         int keys[FKFC_NUMKEYS];
3955         int i;
3956         int bindmap;
3957
3958         VM_SAFEPARMCOUNTRANGE(1, 2, VM_findkeysforcommand);
3959
3960         cmd = PRVM_G_STRING(OFS_PARM0);
3961         if(prog->argc == 2)
3962                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
3963         else
3964                 bindmap = 0; // consistent to "bind"
3965
3966         VM_CheckEmptyString(cmd);
3967
3968         Key_FindKeysForCommand(cmd, keys, FKFC_NUMKEYS, bindmap);
3969
3970         ret[0] = 0;
3971         for(i = 0; i < FKFC_NUMKEYS; i++)
3972                 strlcat(ret, va(" \'%i\'", keys[i]), sizeof(ret));
3973
3974         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(ret);
3975 }
3976
3977 /*
3978 =========
3979 VM_stringtokeynum
3980
3981 float stringtokeynum(string key)
3982 =========
3983 */
3984 void VM_stringtokeynum (void)
3985 {
3986         VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
3987
3988         PRVM_G_FLOAT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
3989 }
3990
3991 /*
3992 =========
3993 VM_getkeybind
3994
3995 string getkeybind(float key, float bindmap)
3996 =========
3997 */
3998 void VM_getkeybind (void)
3999 {
4000         int bindmap;
4001         VM_SAFEPARMCOUNTRANGE(1, 2, VM_CL_getkeybind);
4002         if(prog->argc == 2)
4003                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4004         else
4005                 bindmap = 0; // consistent to "bind"
4006
4007         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0), bindmap));
4008 }
4009
4010 /*
4011 =========
4012 VM_setkeybind
4013
4014 float setkeybind(float key, string cmd, float bindmap)
4015 =========
4016 */
4017 void VM_setkeybind (void)
4018 {
4019         int bindmap;
4020         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_setkeybind);
4021         if(prog->argc == 3)
4022                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM2), MAX_BINDMAPS-1);
4023         else
4024                 bindmap = 0; // consistent to "bind"
4025
4026         PRVM_G_FLOAT(OFS_RETURN) = 0;
4027         if(Key_SetBinding((int)PRVM_G_FLOAT(OFS_PARM0), bindmap, PRVM_G_STRING(OFS_PARM1)))
4028                 PRVM_G_FLOAT(OFS_RETURN) = 1;
4029 }
4030
4031 /*
4032 =========
4033 VM_getbindmap
4034
4035 vector getbindmaps()
4036 =========
4037 */
4038 void VM_getbindmaps (void)
4039 {
4040         int fg, bg;
4041         VM_SAFEPARMCOUNT(0, VM_CL_getbindmap);
4042         Key_GetBindMap(&fg, &bg);
4043         PRVM_G_VECTOR(OFS_RETURN)[0] = fg;
4044         PRVM_G_VECTOR(OFS_RETURN)[1] = bg;
4045         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4046 }
4047
4048 /*
4049 =========
4050 VM_setbindmap
4051
4052 float setbindmaps(vector bindmap)
4053 =========
4054 */
4055 void VM_setbindmaps (void)
4056 {
4057         VM_SAFEPARMCOUNT(1, VM_CL_setbindmap);
4058         PRVM_G_FLOAT(OFS_RETURN) = 0;
4059         if(PRVM_G_VECTOR(OFS_PARM0)[2] == 0)
4060                 if(Key_SetBindMap((int)PRVM_G_VECTOR(OFS_PARM0)[0], (int)PRVM_G_VECTOR(OFS_PARM0)[1]))
4061                         PRVM_G_FLOAT(OFS_RETURN) = 1;
4062 }
4063
4064 // CL_Video interface functions
4065
4066 /*
4067 ========================
4068 VM_cin_open
4069
4070 float cin_open(string file, string name)
4071 ========================
4072 */
4073 void VM_cin_open( void )
4074 {
4075         const char *file;
4076         const char *name;
4077
4078         VM_SAFEPARMCOUNT( 2, VM_cin_open );
4079
4080         file = PRVM_G_STRING( OFS_PARM0 );
4081         name = PRVM_G_STRING( OFS_PARM1 );
4082
4083         VM_CheckEmptyString( file );
4084     VM_CheckEmptyString( name );
4085
4086         if( CL_OpenVideo( file, name, MENUOWNER, "" ) )
4087                 PRVM_G_FLOAT( OFS_RETURN ) = 1;
4088         else
4089                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4090 }
4091
4092 /*
4093 ========================
4094 VM_cin_close
4095
4096 void cin_close(string name)
4097 ========================
4098 */
4099 void VM_cin_close( void )
4100 {
4101         const char *name;
4102
4103         VM_SAFEPARMCOUNT( 1, VM_cin_close );
4104
4105         name = PRVM_G_STRING( OFS_PARM0 );
4106         VM_CheckEmptyString( name );
4107
4108         CL_CloseVideo( CL_GetVideoByName( name ) );
4109 }
4110
4111 /*
4112 ========================
4113 VM_cin_setstate
4114 void cin_setstate(string name, float type)
4115 ========================
4116 */
4117 void VM_cin_setstate( void )
4118 {
4119         const char *name;
4120         clvideostate_t  state;
4121         clvideo_t               *video;
4122
4123         VM_SAFEPARMCOUNT( 2, VM_cin_netstate );
4124
4125         name = PRVM_G_STRING( OFS_PARM0 );
4126         VM_CheckEmptyString( name );
4127
4128         state = (clvideostate_t)((int)PRVM_G_FLOAT( OFS_PARM1 ));
4129
4130         video = CL_GetVideoByName( name );
4131         if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
4132                 CL_SetVideoState( video, state );
4133 }
4134
4135 /*
4136 ========================
4137 VM_cin_getstate
4138
4139 float cin_getstate(string name)
4140 ========================
4141 */
4142 void VM_cin_getstate( void )
4143 {
4144         const char *name;
4145         clvideo_t               *video;
4146
4147         VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
4148
4149         name = PRVM_G_STRING( OFS_PARM0 );
4150         VM_CheckEmptyString( name );
4151
4152         video = CL_GetVideoByName( name );
4153         if( video )
4154                 PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
4155         else
4156                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4157 }
4158
4159 /*
4160 ========================
4161 VM_cin_restart
4162
4163 void cin_restart(string name)
4164 ========================
4165 */
4166 void VM_cin_restart( void )
4167 {
4168         const char *name;
4169         clvideo_t               *video;
4170
4171         VM_SAFEPARMCOUNT( 1, VM_cin_restart );
4172
4173         name = PRVM_G_STRING( OFS_PARM0 );
4174         VM_CheckEmptyString( name );
4175
4176         video = CL_GetVideoByName( name );
4177         if( video )
4178                 CL_RestartVideo( video );
4179 }
4180
4181 /*
4182 ========================
4183 VM_Gecko_Init
4184 ========================
4185 */
4186 void VM_Gecko_Init( void ) {
4187         // the prog struct is memset to 0 by Initprog? [12/6/2007 Black]
4188         // FIXME: remove the other _Init functions then, too? [12/6/2007 Black]
4189 }
4190
4191 /*
4192 ========================
4193 VM_Gecko_Destroy
4194 ========================
4195 */
4196 void VM_Gecko_Destroy( void ) {
4197         int i;
4198         for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
4199                 clgecko_t **instance = &prog->opengeckoinstances[ i ];
4200                 if( *instance ) {
4201                         CL_Gecko_DestroyBrowser( *instance );
4202                 }
4203                 *instance = NULL;
4204         }
4205 }
4206
4207 /*
4208 ========================
4209 VM_gecko_create
4210
4211 float[bool] gecko_create( string name )
4212 ========================
4213 */
4214 void VM_gecko_create( void ) {
4215         const char *name;
4216         int i;
4217         clgecko_t *instance;
4218
4219         VM_SAFEPARMCOUNT( 1, VM_gecko_create );
4220
4221         name = PRVM_G_STRING( OFS_PARM0 );
4222         VM_CheckEmptyString( name );
4223
4224         // find an empty slot for this gecko browser..
4225         for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
4226                 if( prog->opengeckoinstances[ i ] == NULL ) {
4227                         break;
4228                 }
4229         }
4230         if( i == PRVM_MAX_GECKOINSTANCES ) {
4231                         VM_Warning("VM_gecko_create: %s ran out of gecko handles (%i)\n", PRVM_NAME, PRVM_MAX_GECKOINSTANCES);
4232                         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4233                         return;
4234         }
4235
4236         instance = prog->opengeckoinstances[ i ] = CL_Gecko_CreateBrowser( name, PRVM_GetProgNr() );
4237    if( !instance ) {
4238                 // TODO: error handling [12/3/2007 Black]
4239                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4240                 return;
4241         }
4242         PRVM_G_FLOAT( OFS_RETURN ) = 1;
4243 }
4244
4245 /*
4246 ========================
4247 VM_gecko_destroy
4248
4249 void gecko_destroy( string name )
4250 ========================
4251 */
4252 void VM_gecko_destroy( void ) {
4253         const char *name;
4254         clgecko_t *instance;
4255
4256         VM_SAFEPARMCOUNT( 1, VM_gecko_destroy );
4257
4258         name = PRVM_G_STRING( OFS_PARM0 );
4259         VM_CheckEmptyString( name );
4260         instance = CL_Gecko_FindBrowser( name );
4261         if( !instance ) {
4262                 return;
4263         }
4264         CL_Gecko_DestroyBrowser( instance );
4265 }
4266
4267 /*
4268 ========================
4269 VM_gecko_navigate
4270
4271 void gecko_navigate( string name, string URI )
4272 ========================
4273 */
4274 void VM_gecko_navigate( void ) {
4275         const char *name;
4276         const char *URI;
4277         clgecko_t *instance;
4278
4279         VM_SAFEPARMCOUNT( 2, VM_gecko_navigate );
4280
4281         name = PRVM_G_STRING( OFS_PARM0 );
4282         URI = PRVM_G_STRING( OFS_PARM1 );
4283         VM_CheckEmptyString( name );
4284         VM_CheckEmptyString( URI );
4285
4286    instance = CL_Gecko_FindBrowser( name );
4287         if( !instance ) {
4288                 return;
4289         }
4290         CL_Gecko_NavigateToURI( instance, URI );
4291 }
4292
4293 /*
4294 ========================
4295 VM_gecko_keyevent
4296
4297 float[bool] gecko_keyevent( string name, float key, float eventtype )
4298 ========================
4299 */
4300 void VM_gecko_keyevent( void ) {
4301         const char *name;
4302         unsigned int key;
4303         clgecko_buttoneventtype_t eventtype;
4304         clgecko_t *instance;
4305
4306         VM_SAFEPARMCOUNT( 3, VM_gecko_keyevent );
4307
4308         name = PRVM_G_STRING( OFS_PARM0 );
4309         VM_CheckEmptyString( name );
4310         key = (unsigned int) PRVM_G_FLOAT( OFS_PARM1 );
4311         switch( (unsigned int) PRVM_G_FLOAT( OFS_PARM2 ) ) {
4312         case 0:
4313                 eventtype = CLG_BET_DOWN;
4314                 break;
4315         case 1:
4316                 eventtype = CLG_BET_UP;
4317                 break;
4318         case 2:
4319                 eventtype = CLG_BET_PRESS;
4320                 break;
4321         case 3:
4322                 eventtype = CLG_BET_DOUBLECLICK;
4323                 break;
4324         default:
4325                 // TODO: console printf? [12/3/2007 Black]
4326                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4327                 return;
4328         }
4329
4330         instance = CL_Gecko_FindBrowser( name );
4331         if( !instance ) {
4332                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4333                 return;
4334         }
4335
4336         PRVM_G_FLOAT( OFS_RETURN ) = (CL_Gecko_Event_Key( instance, (keynum_t) key, eventtype ) == true);
4337 }
4338
4339 /*
4340 ========================
4341 VM_gecko_movemouse
4342
4343 void gecko_mousemove( string name, float x, float y )
4344 ========================
4345 */
4346 void VM_gecko_movemouse( void ) {
4347         const char *name;
4348         float x, y;
4349         clgecko_t *instance;
4350
4351         VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
4352
4353         name = PRVM_G_STRING( OFS_PARM0 );
4354         VM_CheckEmptyString( name );
4355         x = PRVM_G_FLOAT( OFS_PARM1 );
4356         y = PRVM_G_FLOAT( OFS_PARM2 );
4357
4358         instance = CL_Gecko_FindBrowser( name );
4359         if( !instance ) {
4360                 return;
4361         }
4362         CL_Gecko_Event_CursorMove( instance, x, y );
4363 }
4364
4365
4366 /*
4367 ========================
4368 VM_gecko_resize
4369
4370 void gecko_resize( string name, float w, float h )
4371 ========================
4372 */
4373 void VM_gecko_resize( void ) {
4374         const char *name;
4375         float w, h;
4376         clgecko_t *instance;
4377
4378         VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
4379
4380         name = PRVM_G_STRING( OFS_PARM0 );
4381         VM_CheckEmptyString( name );
4382         w = PRVM_G_FLOAT( OFS_PARM1 );
4383         h = PRVM_G_FLOAT( OFS_PARM2 );
4384
4385         instance = CL_Gecko_FindBrowser( name );
4386         if( !instance ) {
4387                 return;
4388         }
4389         CL_Gecko_Resize( instance, (int) w, (int) h );
4390 }
4391
4392
4393 /*
4394 ========================
4395 VM_gecko_get_texture_extent
4396
4397 vector gecko_get_texture_extent( string name )
4398 ========================
4399 */
4400 void VM_gecko_get_texture_extent( void ) {
4401         const char *name;
4402         clgecko_t *instance;
4403
4404         VM_SAFEPARMCOUNT( 1, VM_gecko_movemouse );
4405
4406         name = PRVM_G_STRING( OFS_PARM0 );
4407         VM_CheckEmptyString( name );
4408
4409         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4410         instance = CL_Gecko_FindBrowser( name );
4411         if( !instance ) {
4412                 PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
4413                 PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
4414                 return;
4415         }
4416         CL_Gecko_GetTextureExtent( instance,
4417                 PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_RETURN)+1 );
4418 }
4419
4420
4421
4422 /*
4423 ==============
4424 VM_makevectors
4425
4426 Writes new values for v_forward, v_up, and v_right based on angles
4427 void makevectors(vector angle)
4428 ==============
4429 */
4430 void VM_makevectors (void)
4431 {
4432         VM_SAFEPARMCOUNT(1, VM_makevectors);
4433         AngleVectors(PRVM_G_VECTOR(OFS_PARM0), PRVM_gameglobalvector(v_forward), PRVM_gameglobalvector(v_right), PRVM_gameglobalvector(v_up));
4434 }
4435
4436 /*
4437 ==============
4438 VM_vectorvectors
4439
4440 Writes new values for v_forward, v_up, and v_right based on the given forward vector
4441 vectorvectors(vector)
4442 ==============
4443 */
4444 void VM_vectorvectors (void)
4445 {
4446         VM_SAFEPARMCOUNT(1, VM_vectorvectors);
4447         VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), PRVM_gameglobalvector(v_forward));
4448         VectorVectors(PRVM_gameglobalvector(v_forward), PRVM_gameglobalvector(v_right), PRVM_gameglobalvector(v_up));
4449 }
4450
4451 /*
4452 ========================
4453 VM_drawline
4454
4455 void drawline(float width, vector pos1, vector pos2, vector rgb, float alpha, float flags)
4456 ========================
4457 */
4458 void VM_drawline (void)
4459 {
4460         float   *c1, *c2, *rgb;
4461         float   alpha, width;
4462         unsigned char   flags;
4463
4464         VM_SAFEPARMCOUNT(6, VM_drawline);
4465         width   = PRVM_G_FLOAT(OFS_PARM0);
4466         c1              = PRVM_G_VECTOR(OFS_PARM1);
4467         c2              = PRVM_G_VECTOR(OFS_PARM2);
4468         rgb             = PRVM_G_VECTOR(OFS_PARM3);
4469         alpha   = PRVM_G_FLOAT(OFS_PARM4);
4470         flags   = (int)PRVM_G_FLOAT(OFS_PARM5);
4471         DrawQ_Line(width, c1[0], c1[1], c2[0], c2[1], rgb[0], rgb[1], rgb[2], alpha, flags);
4472 }
4473
4474 // float(float number, float quantity) bitshift (EXT_BITSHIFT)
4475 void VM_bitshift (void)
4476 {
4477         int n1, n2;
4478         VM_SAFEPARMCOUNT(2, VM_bitshift);
4479
4480         n1 = (int)fabs((float)((int)PRVM_G_FLOAT(OFS_PARM0)));
4481         n2 = (int)PRVM_G_FLOAT(OFS_PARM1);
4482         if(!n1)
4483                 PRVM_G_FLOAT(OFS_RETURN) = n1;
4484         else
4485         if(n2 < 0)
4486                 PRVM_G_FLOAT(OFS_RETURN) = (n1 >> -n2);
4487         else
4488                 PRVM_G_FLOAT(OFS_RETURN) = (n1 << n2);
4489 }
4490
4491 ////////////////////////////////////////
4492 // AltString functions
4493 ////////////////////////////////////////
4494
4495 /*
4496 ========================
4497 VM_altstr_count
4498
4499 float altstr_count(string)
4500 ========================
4501 */
4502 void VM_altstr_count( void )
4503 {
4504         const char *altstr, *pos;
4505         int     count;
4506
4507         VM_SAFEPARMCOUNT( 1, VM_altstr_count );
4508
4509         altstr = PRVM_G_STRING( OFS_PARM0 );
4510         //VM_CheckEmptyString( altstr );
4511
4512         for( count = 0, pos = altstr ; *pos ; pos++ ) {
4513                 if( *pos == '\\' ) {
4514                         if( !*++pos ) {
4515                                 break;
4516                         }
4517                 } else if( *pos == '\'' ) {
4518                         count++;
4519                 }
4520         }
4521
4522         PRVM_G_FLOAT( OFS_RETURN ) = (float) (count / 2);
4523 }
4524
4525 /*
4526 ========================
4527 VM_altstr_prepare
4528
4529 string altstr_prepare(string)
4530 ========================
4531 */
4532 void VM_altstr_prepare( void )
4533 {
4534         char *out;
4535         const char *instr, *in;
4536         int size;
4537         char outstr[VM_STRINGTEMP_LENGTH];
4538
4539         VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
4540
4541         instr = PRVM_G_STRING( OFS_PARM0 );
4542
4543         for( out = outstr, in = instr, size = sizeof(outstr) - 1 ; size && *in ; size--, in++, out++ )
4544                 if( *in == '\'' ) {
4545                         *out++ = '\\';
4546                         *out = '\'';
4547                         size--;
4548                 } else
4549                         *out = *in;
4550         *out = 0;
4551
4552         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4553 }
4554
4555 /*
4556 ========================
4557 VM_altstr_get
4558
4559 string altstr_get(string, float)
4560 ========================
4561 */
4562 void VM_altstr_get( void )
4563 {
4564         const char *altstr, *pos;
4565         char *out;
4566         int count, size;
4567         char outstr[VM_STRINGTEMP_LENGTH];
4568
4569         VM_SAFEPARMCOUNT( 2, VM_altstr_get );
4570
4571         altstr = PRVM_G_STRING( OFS_PARM0 );
4572
4573         count = (int)PRVM_G_FLOAT( OFS_PARM1 );
4574         count = count * 2 + 1;
4575
4576         for( pos = altstr ; *pos && count ; pos++ )
4577                 if( *pos == '\\' ) {
4578                         if( !*++pos )
4579                                 break;
4580                 } else if( *pos == '\'' )
4581                         count--;
4582
4583         if( !*pos ) {
4584                 PRVM_G_INT( OFS_RETURN ) = 0;
4585                 return;
4586         }
4587
4588         for( out = outstr, size = sizeof(outstr) - 1 ; size && *pos ; size--, pos++, out++ )
4589                 if( *pos == '\\' ) {
4590                         if( !*++pos )
4591                                 break;
4592                         *out = *pos;
4593                         size--;
4594                 } else if( *pos == '\'' )
4595                         break;
4596                 else
4597                         *out = *pos;
4598
4599         *out = 0;
4600         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4601 }
4602
4603 /*
4604 ========================
4605 VM_altstr_set
4606
4607 string altstr_set(string altstr, float num, string set)
4608 ========================
4609 */
4610 void VM_altstr_set( void )
4611 {
4612     int num;
4613         const char *altstr, *str;
4614         const char *in;
4615         char *out;
4616         char outstr[VM_STRINGTEMP_LENGTH];
4617
4618         VM_SAFEPARMCOUNT( 3, VM_altstr_set );
4619
4620         altstr = PRVM_G_STRING( OFS_PARM0 );
4621
4622         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4623
4624         str = PRVM_G_STRING( OFS_PARM2 );
4625
4626         out = outstr;
4627         for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
4628                 if( *in == '\\' ) {
4629                         if( !*++in ) {
4630                                 break;
4631                         }
4632                 } else if( *in == '\'' ) {
4633                         num--;
4634                 }
4635
4636         // copy set in
4637         for( ; *str; *out++ = *str++ );
4638         // now jump over the old content
4639         for( ; *in ; in++ )
4640                 if( *in == '\'' || (*in == '\\' && !*++in) )
4641                         break;
4642
4643         strlcpy(out, in, outstr + sizeof(outstr) - out);
4644         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4645 }
4646
4647 /*
4648 ========================
4649 VM_altstr_ins
4650 insert after num
4651 string  altstr_ins(string altstr, float num, string set)
4652 ========================
4653 */
4654 void VM_altstr_ins(void)
4655 {
4656         int num;
4657         const char *set;
4658         const char *in;
4659         char *out;
4660         char outstr[VM_STRINGTEMP_LENGTH];
4661
4662         VM_SAFEPARMCOUNT(3, VM_altstr_ins);
4663
4664         in = PRVM_G_STRING( OFS_PARM0 );
4665         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4666         set = PRVM_G_STRING( OFS_PARM2 );
4667
4668         out = outstr;
4669         for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
4670                 if( *in == '\\' ) {
4671                         if( !*++in ) {
4672                                 break;
4673                         }
4674                 } else if( *in == '\'' ) {
4675                         num--;
4676                 }
4677
4678         *out++ = '\'';
4679         for( ; *set ; *out++ = *set++ );
4680         *out++ = '\'';
4681
4682         strlcpy(out, in, outstr + sizeof(outstr) - out);
4683         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4684 }
4685
4686
4687 ////////////////////////////////////////
4688 // BufString functions
4689 ////////////////////////////////////////
4690 //[515]: string buffers support
4691
4692 static size_t stringbuffers_sortlength;
4693
4694 static void BufStr_Expand(prvm_stringbuffer_t *stringbuffer, int strindex)
4695 {
4696         if (stringbuffer->max_strings <= strindex)
4697         {
4698                 char **oldstrings = stringbuffer->strings;
4699                 stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
4700                 while (stringbuffer->max_strings <= strindex)
4701                         stringbuffer->max_strings *= 2;
4702                 stringbuffer->strings = (char **) Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
4703                 if (stringbuffer->num_strings > 0)
4704                         memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
4705                 if (oldstrings)
4706                         Mem_Free(oldstrings);
4707         }
4708 }
4709
4710 static void BufStr_Shrink(prvm_stringbuffer_t *stringbuffer)
4711 {
4712         // reduce num_strings if there are empty string slots at the end
4713         while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
4714                 stringbuffer->num_strings--;
4715
4716         // if empty, free the string pointer array
4717         if (stringbuffer->num_strings == 0)
4718         {
4719                 stringbuffer->max_strings = 0;
4720                 if (stringbuffer->strings)
4721                         Mem_Free(stringbuffer->strings);
4722                 stringbuffer->strings = NULL;
4723         }
4724 }
4725
4726 static int BufStr_SortStringsUP (const void *in1, const void *in2)
4727 {
4728         const char *a, *b;
4729         a = *((const char **) in1);
4730         b = *((const char **) in2);
4731         if(!a || !a[0]) return 1;
4732         if(!b || !b[0]) return -1;
4733         return strncmp(a, b, stringbuffers_sortlength);
4734 }
4735
4736 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
4737 {
4738         const char *a, *b;
4739         a = *((const char **) in1);
4740         b = *((const char **) in2);
4741         if(!a || !a[0]) return 1;
4742         if(!b || !b[0]) return -1;
4743         return strncmp(b, a, stringbuffers_sortlength);
4744 }
4745
4746 /*
4747 ========================
4748 VM_buf_create
4749 creates new buffer, and returns it's index, returns -1 if failed
4750 float buf_create(void) = #460;
4751 float newbuf(string format, float flags) = #460;
4752 ========================
4753 */
4754
4755 void VM_buf_create (void)
4756 {
4757         prvm_stringbuffer_t *stringbuffer;
4758         int i;
4759
4760         VM_SAFEPARMCOUNTRANGE(0, 2, VM_buf_create);
4761
4762         // VorteX: optional parm1 (buffer format) is unfinished, to keep intact with future databuffers extension must be set to "string"
4763         if(prog->argc >= 1 && strcmp(PRVM_G_STRING(OFS_PARM0), "string"))
4764         {
4765                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4766                 return;
4767         }
4768         stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4769         for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4770         stringbuffer->origin = PRVM_AllocationOrigin();
4771         // optional flags parm
4772         if (prog->argc >= 2)
4773                 stringbuffer->flags = (int)PRVM_G_FLOAT(OFS_PARM1) & 0xFF;
4774         PRVM_G_FLOAT(OFS_RETURN) = i;
4775 }
4776
4777
4778
4779 /*
4780 ========================
4781 VM_buf_del
4782 deletes buffer and all strings in it
4783 void buf_del(float bufhandle) = #461;
4784 ========================
4785 */
4786 void VM_buf_del (void)
4787 {
4788         prvm_stringbuffer_t *stringbuffer;
4789         VM_SAFEPARMCOUNT(1, VM_buf_del);
4790         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4791         if (stringbuffer)
4792         {
4793                 int i;
4794                 for (i = 0;i < stringbuffer->num_strings;i++)
4795                         if (stringbuffer->strings[i])
4796                                 Mem_Free(stringbuffer->strings[i]);
4797                 if (stringbuffer->strings)
4798                         Mem_Free(stringbuffer->strings);
4799                 if(stringbuffer->origin)
4800                         PRVM_Free((char *)stringbuffer->origin);
4801                 Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
4802         }
4803         else
4804         {
4805                 VM_Warning("VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4806                 return;
4807         }
4808 }
4809
4810 /*
4811 ========================
4812 VM_buf_getsize
4813 how many strings are stored in buffer
4814 float buf_getsize(float bufhandle) = #462;
4815 ========================
4816 */
4817 void VM_buf_getsize (void)
4818 {
4819         prvm_stringbuffer_t *stringbuffer;
4820         VM_SAFEPARMCOUNT(1, VM_buf_getsize);
4821
4822         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4823         if(!stringbuffer)
4824         {
4825                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4826                 VM_Warning("VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4827                 return;
4828         }
4829         else
4830                 PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
4831 }
4832
4833 /*
4834 ========================
4835 VM_buf_copy
4836 copy all content from one buffer to another, make sure it exists
4837 void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
4838 ========================
4839 */
4840 void VM_buf_copy (void)
4841 {
4842         prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
4843         int i;
4844         VM_SAFEPARMCOUNT(2, VM_buf_copy);
4845
4846         srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4847         if(!srcstringbuffer)
4848         {
4849                 VM_Warning("VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4850                 return;
4851         }
4852         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4853         if(i == (int)PRVM_G_FLOAT(OFS_PARM0))
4854         {
4855                 VM_Warning("VM_buf_copy: source == destination (%i) in %s\n", i, PRVM_NAME);
4856                 return;
4857         }
4858         dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4859         if(!dststringbuffer)
4860         {
4861                 VM_Warning("VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
4862                 return;
4863         }
4864
4865         for (i = 0;i < dststringbuffer->num_strings;i++)
4866                 if (dststringbuffer->strings[i])
4867                         Mem_Free(dststringbuffer->strings[i]);
4868         if (dststringbuffer->strings)
4869                 Mem_Free(dststringbuffer->strings);
4870         *dststringbuffer = *srcstringbuffer;
4871         if (dststringbuffer->max_strings)
4872                 dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
4873
4874         for (i = 0;i < dststringbuffer->num_strings;i++)
4875         {
4876                 if (srcstringbuffer->strings[i])
4877                 {
4878                         size_t stringlen;
4879                         stringlen = strlen(srcstringbuffer->strings[i]) + 1;
4880                         dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
4881                         memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
4882                 }
4883         }
4884 }
4885
4886 /*
4887 ========================
4888 VM_buf_sort
4889 sort buffer by beginnings of strings (cmplength defaults it's length)
4890 "backward == TRUE" means that sorting goes upside-down
4891 void buf_sort(float bufhandle, float cmplength, float backward) = #464;
4892 ========================
4893 */
4894 void VM_buf_sort (void)
4895 {
4896         prvm_stringbuffer_t *stringbuffer;
4897         VM_SAFEPARMCOUNT(3, VM_buf_sort);
4898
4899         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4900         if(!stringbuffer)
4901         {
4902                 VM_Warning("VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4903                 return;
4904         }
4905         if(stringbuffer->num_strings <= 0)
4906         {
4907                 VM_Warning("VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4908                 return;
4909         }
4910         stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
4911         if(stringbuffers_sortlength <= 0)
4912                 stringbuffers_sortlength = 0x7FFFFFFF;
4913
4914         if(!PRVM_G_FLOAT(OFS_PARM2))
4915                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
4916         else
4917                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
4918
4919         BufStr_Shrink(stringbuffer);
4920 }
4921
4922 /*
4923 ========================
4924 VM_buf_implode
4925 concantenates all buffer string into one with "glue" separator and returns it as tempstring
4926 string buf_implode(float bufhandle, string glue) = #465;
4927 ========================
4928 */
4929 void VM_buf_implode (void)
4930 {
4931         prvm_stringbuffer_t *stringbuffer;
4932         char                    k[VM_STRINGTEMP_LENGTH];
4933         const char              *sep;
4934         int                             i;
4935         size_t                  l;
4936         VM_SAFEPARMCOUNT(2, VM_buf_implode);
4937
4938         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4939         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4940         if(!stringbuffer)
4941         {
4942                 VM_Warning("VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4943                 return;
4944         }
4945         if(!stringbuffer->num_strings)
4946                 return;
4947         sep = PRVM_G_STRING(OFS_PARM1);
4948         k[0] = 0;
4949         for(l = i = 0;i < stringbuffer->num_strings;i++)
4950         {
4951                 if(stringbuffer->strings[i])
4952                 {
4953                         l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
4954                         if (l >= sizeof(k) - 1)
4955                                 break;
4956                         strlcat(k, sep, sizeof(k));
4957                         strlcat(k, stringbuffer->strings[i], sizeof(k));
4958                 }
4959         }
4960         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(k);
4961 }
4962
4963 /*
4964 ========================
4965 VM_bufstr_get
4966 get a string from buffer, returns tempstring, dont str_unzone it!
4967 string bufstr_get(float bufhandle, float string_index) = #465;
4968 ========================
4969 */
4970 void VM_bufstr_get (void)
4971 {
4972         prvm_stringbuffer_t *stringbuffer;
4973         int                             strindex;
4974         VM_SAFEPARMCOUNT(2, VM_bufstr_get);
4975
4976         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4977         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4978         if(!stringbuffer)
4979         {
4980                 VM_Warning("VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4981                 return;
4982         }
4983         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4984         if (strindex < 0)
4985         {
4986                 // VM_Warning("VM_bufstr_get: invalid string index %i used in %s\n", strindex, PRVM_NAME);
4987                 return;
4988         }
4989         if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
4990                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(stringbuffer->strings[strindex]);
4991 }
4992
4993 /*
4994 ========================
4995 VM_bufstr_set
4996 copies a string into selected slot of buffer
4997 void bufstr_set(float bufhandle, float string_index, string str) = #466;
4998 ========================
4999 */
5000 void VM_bufstr_set (void)
5001 {
5002         size_t alloclen;
5003         int                             strindex;
5004         prvm_stringbuffer_t *stringbuffer;
5005         const char              *news;
5006
5007         VM_SAFEPARMCOUNT(3, VM_bufstr_set);
5008
5009         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5010         if(!stringbuffer)
5011         {
5012                 VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5013                 return;
5014         }
5015         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
5016         if(strindex < 0 || strindex >= 1000000) // huge number of strings
5017         {
5018                 VM_Warning("VM_bufstr_set: invalid string index %i used in %s\n", strindex, PRVM_NAME);
5019                 return;
5020         }
5021
5022         BufStr_Expand(stringbuffer, strindex);
5023         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5024
5025         if(stringbuffer->strings[strindex])
5026                 Mem_Free(stringbuffer->strings[strindex]);
5027         stringbuffer->strings[strindex] = NULL;
5028
5029         if(PRVM_G_INT(OFS_PARM2))
5030         {
5031                 // not the NULL string!
5032                 news = PRVM_G_STRING(OFS_PARM2);
5033                 alloclen = strlen(news) + 1;
5034                 stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5035                 memcpy(stringbuffer->strings[strindex], news, alloclen);
5036         }
5037
5038         BufStr_Shrink(stringbuffer);
5039 }
5040
5041 /*
5042 ========================
5043 VM_bufstr_add
5044 adds string to buffer in first free slot and returns its index
5045 "order == TRUE" means that string will be added after last "full" slot
5046 float bufstr_add(float bufhandle, string str, float order) = #467;
5047 ========================
5048 */
5049 void VM_bufstr_add (void)
5050 {
5051         int                             order, strindex;
5052         prvm_stringbuffer_t *stringbuffer;
5053         const char              *string;
5054         size_t                  alloclen;
5055
5056         VM_SAFEPARMCOUNT(3, VM_bufstr_add);
5057
5058         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5059         PRVM_G_FLOAT(OFS_RETURN) = -1;
5060         if(!stringbuffer)
5061         {
5062                 VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5063                 return;
5064         }
5065         if(!PRVM_G_INT(OFS_PARM1)) // NULL string
5066         {
5067                 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);
5068                 return;
5069         }
5070         string = PRVM_G_STRING(OFS_PARM1);
5071         order = (int)PRVM_G_FLOAT(OFS_PARM2);
5072         if(order)
5073                 strindex = stringbuffer->num_strings;
5074         else
5075                 for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
5076                         if (stringbuffer->strings[strindex] == NULL)
5077                                 break;
5078
5079         BufStr_Expand(stringbuffer, strindex);
5080
5081         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5082         alloclen = strlen(string) + 1;
5083         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5084         memcpy(stringbuffer->strings[strindex], string, alloclen);
5085
5086         PRVM_G_FLOAT(OFS_RETURN) = strindex;
5087 }
5088
5089 /*
5090 ========================
5091 VM_bufstr_free
5092 delete string from buffer
5093 void bufstr_free(float bufhandle, float string_index) = #468;
5094 ========================
5095 */
5096 void VM_bufstr_free (void)
5097 {
5098         int                             i;
5099         prvm_stringbuffer_t     *stringbuffer;
5100         VM_SAFEPARMCOUNT(2, VM_bufstr_free);
5101
5102         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5103         if(!stringbuffer)
5104         {
5105                 VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5106                 return;
5107         }
5108         i = (int)PRVM_G_FLOAT(OFS_PARM1);
5109         if(i < 0)
5110         {
5111                 VM_Warning("VM_bufstr_free: invalid string index %i used in %s\n", i, PRVM_NAME);
5112                 return;
5113         }
5114
5115         if (i < stringbuffer->num_strings)
5116         {
5117                 if(stringbuffer->strings[i])
5118                         Mem_Free(stringbuffer->strings[i]);
5119                 stringbuffer->strings[i] = NULL;
5120         }
5121
5122         BufStr_Shrink(stringbuffer);
5123 }
5124
5125
5126
5127
5128
5129
5130
5131 void VM_buf_cvarlist(void)
5132 {
5133         cvar_t *cvar;
5134         const char *partial, *antipartial;
5135         size_t len, antilen;
5136         size_t alloclen;
5137         qboolean ispattern, antiispattern;
5138         int n;
5139         prvm_stringbuffer_t     *stringbuffer;
5140         VM_SAFEPARMCOUNTRANGE(2, 3, VM_buf_cvarlist);
5141
5142         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5143         if(!stringbuffer)
5144         {
5145                 VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5146                 return;
5147         }
5148
5149         partial = PRVM_G_STRING(OFS_PARM1);
5150         if(!partial)
5151                 len = 0;
5152         else
5153                 len = strlen(partial);
5154
5155         if(prog->argc == 3)
5156                 antipartial = PRVM_G_STRING(OFS_PARM2);
5157         else
5158                 antipartial = NULL;
5159         if(!antipartial)
5160                 antilen = 0;
5161         else
5162                 antilen = strlen(antipartial);
5163
5164         for (n = 0;n < stringbuffer->num_strings;n++)
5165                 if (stringbuffer->strings[n])
5166                         Mem_Free(stringbuffer->strings[n]);
5167         if (stringbuffer->strings)
5168                 Mem_Free(stringbuffer->strings);
5169         stringbuffer->strings = NULL;
5170
5171         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
5172         antiispattern = antipartial && (strchr(antipartial, '*') || strchr(antipartial, '?'));
5173
5174         n = 0;
5175         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5176         {
5177                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5178                         continue;
5179
5180                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5181                         continue;
5182
5183                 ++n;
5184         }
5185
5186         stringbuffer->max_strings = stringbuffer->num_strings = n;
5187         if (stringbuffer->max_strings)
5188                 stringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(stringbuffer->strings[0]) * stringbuffer->max_strings);
5189
5190         n = 0;
5191         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5192         {
5193                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5194                         continue;
5195
5196                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5197                         continue;
5198
5199                 alloclen = strlen(cvar->name) + 1;
5200                 stringbuffer->strings[n] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5201                 memcpy(stringbuffer->strings[n], cvar->name, alloclen);
5202
5203                 ++n;
5204         }
5205 }
5206
5207
5208
5209
5210 //=============
5211
5212 /*
5213 ==============
5214 VM_changeyaw
5215
5216 This was a major timewaster in progs, so it was converted to C
5217 ==============
5218 */
5219 void VM_changeyaw (void)
5220 {
5221         prvm_edict_t            *ent;
5222         float           ideal, current, move, speed;
5223
5224         // this is called (VERY HACKISHLY) by SV_MoveToGoal, so it can not use any
5225         // parameters because they are the parameters to SV_MoveToGoal, not this
5226         //VM_SAFEPARMCOUNT(0, VM_changeyaw);
5227
5228         ent = PRVM_PROG_TO_EDICT(PRVM_gameglobaledict(self));
5229         if (ent == prog->edicts)
5230         {
5231                 VM_Warning("changeyaw: can not modify world entity\n");
5232                 return;
5233         }
5234         if (ent->priv.server->free)
5235         {
5236                 VM_Warning("changeyaw: can not modify free entity\n");
5237                 return;
5238         }
5239         current = PRVM_gameedictvector(ent, angles)[1];
5240         current = ANGLEMOD(current);
5241         ideal = PRVM_gameedictfloat(ent, ideal_yaw);
5242         speed = PRVM_gameedictfloat(ent, yaw_speed);
5243
5244         if (current == ideal)
5245                 return;
5246         move = ideal - current;
5247         if (ideal > current)
5248         {
5249                 if (move >= 180)
5250                         move = move - 360;
5251         }
5252         else
5253         {
5254                 if (move <= -180)
5255                         move = move + 360;
5256         }
5257         if (move > 0)
5258         {
5259                 if (move > speed)
5260                         move = speed;
5261         }
5262         else
5263         {
5264                 if (move < -speed)
5265                         move = -speed;
5266         }
5267
5268         current += move;
5269         PRVM_gameedictvector(ent, angles)[1] = ANGLEMOD(current);
5270 }
5271
5272 /*
5273 ==============
5274 VM_changepitch
5275 ==============
5276 */
5277 void VM_changepitch (void)
5278 {
5279         prvm_edict_t            *ent;
5280         float           ideal, current, move, speed;
5281
5282         VM_SAFEPARMCOUNT(1, VM_changepitch);
5283
5284         ent = PRVM_G_EDICT(OFS_PARM0);
5285         if (ent == prog->edicts)
5286         {
5287                 VM_Warning("changepitch: can not modify world entity\n");
5288                 return;
5289         }
5290         if (ent->priv.server->free)
5291         {
5292                 VM_Warning("changepitch: can not modify free entity\n");
5293                 return;
5294         }
5295         current = PRVM_gameedictvector(ent, angles)[0];
5296         current = ANGLEMOD(current);
5297         ideal = PRVM_gameedictfloat(ent, idealpitch);
5298         speed = PRVM_gameedictfloat(ent, pitch_speed);
5299
5300         if (current == ideal)
5301                 return;
5302         move = ideal - current;
5303         if (ideal > current)
5304         {
5305                 if (move >= 180)
5306                         move = move - 360;
5307         }
5308         else
5309         {
5310                 if (move <= -180)
5311                         move = move + 360;
5312         }
5313         if (move > 0)
5314         {
5315                 if (move > speed)
5316                         move = speed;
5317         }
5318         else
5319         {
5320                 if (move < -speed)
5321                         move = -speed;
5322         }
5323
5324         current += move;
5325         PRVM_gameedictvector(ent, angles)[0] = ANGLEMOD(current);
5326 }
5327
5328
5329 void VM_uncolorstring (void)
5330 {
5331         char szNewString[VM_STRINGTEMP_LENGTH];
5332         const char *szString;
5333
5334         // Prepare Strings
5335         VM_SAFEPARMCOUNT(1, VM_uncolorstring);
5336         szString = PRVM_G_STRING(OFS_PARM0);
5337         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
5338         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
5339
5340 }
5341
5342 // #221 float(string str, string sub[, float startpos]) strstrofs (FTE_STRINGS)
5343 //strstr, without generating a new string. Use in conjunction with FRIK_FILE's substring for more similar strstr.
5344 void VM_strstrofs (void)
5345 {
5346         const char *instr, *match;
5347         int firstofs;
5348         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strstrofs);
5349         instr = PRVM_G_STRING(OFS_PARM0);
5350         match = PRVM_G_STRING(OFS_PARM1);
5351         firstofs = (prog->argc > 2)?(int)PRVM_G_FLOAT(OFS_PARM2):0;
5352         firstofs = u8_bytelen(instr, firstofs);
5353
5354         if (firstofs && (firstofs < 0 || firstofs > (int)strlen(instr)))
5355         {
5356                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5357                 return;
5358         }
5359
5360         match = strstr(instr+firstofs, match);
5361         if (!match)
5362                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5363         else
5364                 PRVM_G_FLOAT(OFS_RETURN) = u8_strnlen(instr, match-instr);
5365 }
5366
5367 //#222 string(string s, float index) str2chr (FTE_STRINGS)
5368 void VM_str2chr (void)
5369 {
5370         const char *s;
5371         Uchar ch;
5372         int index;
5373         VM_SAFEPARMCOUNT(2, VM_str2chr);
5374         s = PRVM_G_STRING(OFS_PARM0);
5375         index = u8_bytelen(s, (int)PRVM_G_FLOAT(OFS_PARM1));
5376
5377         if((unsigned)index < strlen(s))
5378         {
5379                 if (utf8_enable.integer)
5380                         ch = u8_getchar_noendptr(s + index);
5381                 else
5382                         ch = (unsigned char)s[index];
5383                 PRVM_G_FLOAT(OFS_RETURN) = ch;
5384         }
5385         else
5386                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5387 }
5388
5389 //#223 string(float c, ...) chr2str (FTE_STRINGS)
5390 void VM_chr2str (void)
5391 {
5392         /*
5393         char    t[9];
5394         int             i;
5395         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5396         for(i = 0;i < prog->argc && i < (int)sizeof(t) - 1;i++)
5397                 t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
5398         t[i] = 0;
5399         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
5400         */
5401         char t[9 * 4 + 1];
5402         int i;
5403         size_t len = 0;
5404         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5405         for(i = 0; i < prog->argc && len < sizeof(t)-1; ++i)
5406                 len += u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0+i*3), t + len, sizeof(t)-1);
5407         t[len] = 0;
5408         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
5409 }
5410
5411 static int chrconv_number(int i, int base, int conv)
5412 {
5413         i -= base;
5414         switch (conv)
5415         {
5416         default:
5417         case 5:
5418         case 6:
5419         case 0:
5420                 break;
5421         case 1:
5422                 base = '0';
5423                 break;
5424         case 2:
5425                 base = '0'+128;
5426                 break;
5427         case 3:
5428                 base = '0'-30;
5429                 break;
5430         case 4:
5431                 base = '0'+128-30;
5432                 break;
5433         }
5434         return i + base;
5435 }
5436 static int chrconv_punct(int i, int base, int conv)
5437 {
5438         i -= base;
5439         switch (conv)
5440         {
5441         default:
5442         case 0:
5443                 break;
5444         case 1:
5445                 base = 0;
5446                 break;
5447         case 2:
5448                 base = 128;
5449                 break;
5450         }
5451         return i + base;
5452 }
5453
5454 static int chrchar_alpha(int i, int basec, int baset, int convc, int convt, int charnum)
5455 {
5456         //convert case and colour seperatly...
5457
5458         i -= baset + basec;
5459         switch (convt)
5460         {
5461         default:
5462         case 0:
5463                 break;
5464         case 1:
5465                 baset = 0;
5466                 break;
5467         case 2:
5468                 baset = 128;
5469                 break;
5470
5471         case 5:
5472         case 6:
5473                 baset = 128*((charnum&1) == (convt-5));
5474                 break;
5475         }
5476
5477         switch (convc)
5478         {
5479         default:
5480         case 0:
5481                 break;
5482         case 1:
5483                 basec = 'a';
5484                 break;
5485         case 2:
5486                 basec = 'A';
5487                 break;
5488         }
5489         return i + basec + baset;
5490 }
5491 // #224 string(float ccase, float calpha, float cnum, string s, ...) strconv (FTE_STRINGS)
5492 //bulk convert a string. change case or colouring.
5493 void VM_strconv (void)
5494 {
5495         int ccase, redalpha, rednum, len, i;
5496         unsigned char resbuf[VM_STRINGTEMP_LENGTH];
5497         unsigned char *result = resbuf;
5498
5499         VM_SAFEPARMCOUNTRANGE(3, 8, VM_strconv);
5500
5501         ccase = (int) PRVM_G_FLOAT(OFS_PARM0);  //0 same, 1 lower, 2 upper
5502         redalpha = (int) PRVM_G_FLOAT(OFS_PARM1);       //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
5503         rednum = (int) PRVM_G_FLOAT(OFS_PARM2); //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
5504         VM_VarString(3, (char *) resbuf, sizeof(resbuf));
5505         len = strlen((char *) resbuf);
5506
5507         for (i = 0; i < len; i++, result++)     //should this be done backwards?
5508         {
5509                 if (*result >= '0' && *result <= '9')   //normal numbers...
5510                         *result = chrconv_number(*result, '0', rednum);
5511                 else if (*result >= '0'+128 && *result <= '9'+128)
5512                         *result = chrconv_number(*result, '0'+128, rednum);
5513                 else if (*result >= '0'+128-30 && *result <= '9'+128-30)
5514                         *result = chrconv_number(*result, '0'+128-30, rednum);
5515                 else if (*result >= '0'-30 && *result <= '9'-30)
5516                         *result = chrconv_number(*result, '0'-30, rednum);
5517
5518                 else if (*result >= 'a' && *result <= 'z')      //normal numbers...
5519                         *result = chrchar_alpha(*result, 'a', 0, ccase, redalpha, i);
5520                 else if (*result >= 'A' && *result <= 'Z')      //normal numbers...
5521                         *result = chrchar_alpha(*result, 'A', 0, ccase, redalpha, i);
5522                 else if (*result >= 'a'+128 && *result <= 'z'+128)      //normal numbers...
5523                         *result = chrchar_alpha(*result, 'a', 128, ccase, redalpha, i);
5524                 else if (*result >= 'A'+128 && *result <= 'Z'+128)      //normal numbers...
5525                         *result = chrchar_alpha(*result, 'A', 128, ccase, redalpha, i);
5526
5527                 else if ((*result & 127) < 16 || !redalpha)     //special chars..
5528                         *result = *result;
5529                 else if (*result < 128)
5530                         *result = chrconv_punct(*result, 0, redalpha);
5531                 else
5532                         *result = chrconv_punct(*result, 128, redalpha);
5533         }
5534         *result = '\0';
5535
5536         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString((char *) resbuf);
5537 }
5538
5539 // #225 string(float chars, string s, ...) strpad (FTE_STRINGS)
5540 void VM_strpad (void)
5541 {
5542         char src[VM_STRINGTEMP_LENGTH];
5543         char destbuf[VM_STRINGTEMP_LENGTH];
5544         int pad;
5545         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strpad);
5546         pad = (int) PRVM_G_FLOAT(OFS_PARM0);
5547         VM_VarString(1, src, sizeof(src));
5548
5549         // note: < 0 = left padding, > 0 = right padding,
5550         // this is reverse logic of printf!
5551         dpsnprintf(destbuf, sizeof(destbuf), "%*s", -pad, src);
5552
5553         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(destbuf);
5554 }
5555
5556 // #226 string(string info, string key, string value, ...) infoadd (FTE_STRINGS)
5557 //uses qw style \key\value strings
5558 void VM_infoadd (void)
5559 {
5560         const char *info, *key;
5561         char value[VM_STRINGTEMP_LENGTH];
5562         char temp[VM_STRINGTEMP_LENGTH];
5563
5564         VM_SAFEPARMCOUNTRANGE(2, 8, VM_infoadd);
5565         info = PRVM_G_STRING(OFS_PARM0);
5566         key = PRVM_G_STRING(OFS_PARM1);
5567         VM_VarString(2, value, sizeof(value));
5568
5569         strlcpy(temp, info, VM_STRINGTEMP_LENGTH);
5570
5571         InfoString_SetValue(temp, VM_STRINGTEMP_LENGTH, key, value);
5572
5573         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(temp);
5574 }
5575
5576 // #227 string(string info, string key) infoget (FTE_STRINGS)
5577 //uses qw style \key\value strings
5578 void VM_infoget (void)
5579 {
5580         const char *info;
5581         const char *key;
5582         char value[VM_STRINGTEMP_LENGTH];
5583
5584         VM_SAFEPARMCOUNT(2, VM_infoget);
5585         info = PRVM_G_STRING(OFS_PARM0);
5586         key = PRVM_G_STRING(OFS_PARM1);
5587
5588         InfoString_GetValue(info, key, value, VM_STRINGTEMP_LENGTH);
5589
5590         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(value);
5591 }
5592
5593 //#228 float(string s1, string s2, float len) strncmp (FTE_STRINGS)
5594 // also float(string s1, string s2) strcmp (FRIK_FILE)
5595 void VM_strncmp (void)
5596 {
5597         const char *s1, *s2;
5598         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncmp);
5599         s1 = PRVM_G_STRING(OFS_PARM0);
5600         s2 = PRVM_G_STRING(OFS_PARM1);
5601         if (prog->argc > 2)
5602         {
5603                 PRVM_G_FLOAT(OFS_RETURN) = strncmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5604         }
5605         else
5606         {
5607                 PRVM_G_FLOAT(OFS_RETURN) = strcmp(s1, s2);
5608         }
5609 }
5610
5611 // #229 float(string s1, string s2) strcasecmp (FTE_STRINGS)
5612 // #230 float(string s1, string s2, float len) strncasecmp (FTE_STRINGS)
5613 void VM_strncasecmp (void)
5614 {
5615         const char *s1, *s2;
5616         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncasecmp);
5617         s1 = PRVM_G_STRING(OFS_PARM0);
5618         s2 = PRVM_G_STRING(OFS_PARM1);
5619         if (prog->argc > 2)
5620         {
5621                 PRVM_G_FLOAT(OFS_RETURN) = strncasecmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5622         }
5623         else
5624         {
5625                 PRVM_G_FLOAT(OFS_RETURN) = strcasecmp(s1, s2);
5626         }
5627 }
5628
5629 // #494 float(float caseinsensitive, string s, ...) crc16
5630 void VM_crc16(void)
5631 {
5632         float insensitive;
5633         static char s[VM_STRINGTEMP_LENGTH];
5634         VM_SAFEPARMCOUNTRANGE(2, 8, VM_hash);
5635         insensitive = PRVM_G_FLOAT(OFS_PARM0);
5636         VM_VarString(1, s, sizeof(s));
5637         PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
5638 }
5639
5640 void VM_wasfreed (void)
5641 {
5642         VM_SAFEPARMCOUNT(1, VM_wasfreed);
5643         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICT(OFS_PARM0)->priv.required->free;
5644 }
5645
5646 void VM_SetTraceGlobals(const trace_t *trace)
5647 {
5648         PRVM_gameglobalfloat(trace_allsolid) = trace->allsolid;
5649         PRVM_gameglobalfloat(trace_startsolid) = trace->startsolid;
5650         PRVM_gameglobalfloat(trace_fraction) = trace->fraction;
5651         PRVM_gameglobalfloat(trace_inwater) = trace->inwater;
5652         PRVM_gameglobalfloat(trace_inopen) = trace->inopen;
5653         VectorCopy(trace->endpos, PRVM_gameglobalvector(trace_endpos));
5654         VectorCopy(trace->plane.normal, PRVM_gameglobalvector(trace_plane_normal));
5655         PRVM_gameglobalfloat(trace_plane_dist) = trace->plane.dist;
5656         PRVM_gameglobaledict(trace_ent) = PRVM_EDICT_TO_PROG(trace->ent ? trace->ent : prog->edicts);
5657         PRVM_gameglobalfloat(trace_dpstartcontents) = trace->startsupercontents;
5658         PRVM_gameglobalfloat(trace_dphitcontents) = trace->hitsupercontents;
5659         PRVM_gameglobalfloat(trace_dphitq3surfaceflags) = trace->hitq3surfaceflags;
5660         PRVM_gameglobalstring(trace_dphittexturename) = trace->hittexture ? PRVM_SetTempString(trace->hittexture->name) : 0;
5661 }
5662
5663 void VM_ClearTraceGlobals(void)
5664 {
5665         // clean up all trace globals when leaving the VM (anti-triggerbot safeguard)
5666         PRVM_gameglobalfloat(trace_allsolid) = 0;
5667         PRVM_gameglobalfloat(trace_startsolid) = 0;
5668         PRVM_gameglobalfloat(trace_fraction) = 0;
5669         PRVM_gameglobalfloat(trace_inwater) = 0;
5670         PRVM_gameglobalfloat(trace_inopen) = 0;
5671         VectorClear(PRVM_gameglobalvector(trace_endpos));
5672         VectorClear(PRVM_gameglobalvector(trace_plane_normal));
5673         PRVM_gameglobalfloat(trace_plane_dist) = 0;
5674         PRVM_gameglobaledict(trace_ent) = PRVM_EDICT_TO_PROG(prog->edicts);
5675         PRVM_gameglobalfloat(trace_dpstartcontents) = 0;
5676         PRVM_gameglobalfloat(trace_dphitcontents) = 0;
5677         PRVM_gameglobalfloat(trace_dphitq3surfaceflags) = 0;
5678         PRVM_gameglobalstring(trace_dphittexturename) = 0;
5679 }
5680
5681 //=============
5682
5683 void VM_Cmd_Init(void)
5684 {
5685         // only init the stuff for the current prog
5686         VM_Files_Init();
5687         VM_Search_Init();
5688         VM_Gecko_Init();
5689 //      VM_BufStr_Init();
5690 }
5691
5692 void VM_Cmd_Reset(void)
5693 {
5694         CL_PurgeOwner( MENUOWNER );
5695         VM_Search_Reset();
5696         VM_Files_CloseAll();
5697         VM_Gecko_Destroy();
5698 //      VM_BufStr_ShutDown();
5699 }
5700
5701 // #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
5702 // does URI escaping on a string (replace evil stuff by %AB escapes)
5703 void VM_uri_escape (void)
5704 {
5705         char src[VM_STRINGTEMP_LENGTH];
5706         char dest[VM_STRINGTEMP_LENGTH];
5707         char *p, *q;
5708         static const char *hex = "0123456789ABCDEF";
5709
5710         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
5711         VM_VarString(0, src, sizeof(src));
5712
5713         for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
5714         {
5715                 if((*p >= 'A' && *p <= 'Z')
5716                         || (*p >= 'a' && *p <= 'z')
5717                         || (*p >= '0' && *p <= '9')
5718                         || (*p == '-')  || (*p == '_') || (*p == '.')
5719                         || (*p == '!')  || (*p == '~')
5720                         || (*p == '\'') || (*p == '(') || (*p == ')'))
5721                         *q++ = *p;
5722                 else
5723                 {
5724                         *q++ = '%';
5725                         *q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
5726                         *q++ = hex[ *(unsigned char *)p       & 0xF];
5727                 }
5728         }
5729         *q++ = 0;
5730
5731         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
5732 }
5733
5734 // #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
5735 // does URI unescaping on a string (get back the evil stuff)
5736 void VM_uri_unescape (void)
5737 {
5738         char src[VM_STRINGTEMP_LENGTH];
5739         char dest[VM_STRINGTEMP_LENGTH];
5740         char *p, *q;
5741         int hi, lo;
5742
5743         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
5744         VM_VarString(0, src, sizeof(src));
5745
5746         for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
5747         {
5748                 if(*p == '%')
5749                 {
5750                         if(p[1] >= '0' && p[1] <= '9')
5751                                 hi = p[1] - '0';
5752                         else if(p[1] >= 'a' && p[1] <= 'f')
5753                                 hi = p[1] - 'a' + 10;
5754                         else if(p[1] >= 'A' && p[1] <= 'F')
5755                                 hi = p[1] - 'A' + 10;
5756                         else
5757                                 goto nohex;
5758                         if(p[2] >= '0' && p[2] <= '9')
5759                                 lo = p[2] - '0';
5760                         else if(p[2] >= 'a' && p[2] <= 'f')
5761                                 lo = p[2] - 'a' + 10;
5762                         else if(p[2] >= 'A' && p[2] <= 'F')
5763                                 lo = p[2] - 'A' + 10;
5764                         else
5765                                 goto nohex;
5766                         if(hi != 0 || lo != 0) // don't unescape NUL bytes
5767                                 *q++ = (char) (hi * 0x10 + lo);
5768                         p += 3;
5769                         continue;
5770                 }
5771
5772 nohex:
5773                 // otherwise:
5774                 *q++ = *p++;
5775         }
5776         *q++ = 0;
5777
5778         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
5779 }
5780
5781 // #502 string(string filename) whichpack (DP_QC_WHICHPACK)
5782 // returns the name of the pack containing a file, or "" if it is not in any pack (but local or non-existant)
5783 void VM_whichpack (void)
5784 {
5785         const char *fn, *pack;
5786
5787         VM_SAFEPARMCOUNT(1, VM_whichpack);
5788         fn = PRVM_G_STRING(OFS_PARM0);
5789         pack = FS_WhichPack(fn);
5790
5791         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(pack ? pack : "");
5792 }
5793
5794 typedef struct
5795 {
5796         int prognr;
5797         double starttime;
5798         float id;
5799         char buffer[MAX_INPUTLINE];
5800         unsigned char *postdata; // free when uri_to_prog_t is freed
5801         size_t postlen;
5802         char *sigdata; // free when uri_to_prog_t is freed
5803         size_t siglen;
5804 }
5805 uri_to_prog_t;
5806
5807 static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
5808 {
5809         uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
5810
5811         if(!PRVM_ProgLoaded(handle->prognr))
5812         {
5813                 // curl reply came too late... so just drop it
5814                 if(handle->postdata)
5815                         Z_Free(handle->postdata);
5816                 if(handle->sigdata)
5817                         Z_Free(handle->sigdata);
5818                 Z_Free(handle);
5819                 return;
5820         }
5821
5822         PRVM_SetProg(handle->prognr);
5823         PRVM_Begin;
5824                 if((prog->starttime == handle->starttime) && (PRVM_allfunction(URI_Get_Callback)))
5825                 {
5826                         if(length_received >= sizeof(handle->buffer))
5827                                 length_received = sizeof(handle->buffer) - 1;
5828                         handle->buffer[length_received] = 0;
5829
5830                         PRVM_G_FLOAT(OFS_PARM0) = handle->id;
5831                         PRVM_G_FLOAT(OFS_PARM1) = status;
5832                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(handle->buffer);
5833                         PRVM_ExecuteProgram(PRVM_allfunction(URI_Get_Callback), "QC function URI_Get_Callback is missing");
5834                 }
5835         PRVM_End;
5836
5837         if(handle->postdata)
5838                 Z_Free(handle->postdata);
5839         if(handle->sigdata)
5840                 Z_Free(handle->sigdata);
5841         Z_Free(handle);
5842 }
5843
5844 // 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
5845 // 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
5846 void VM_uri_get (void)
5847 {
5848         const char *url;
5849         float id;
5850         qboolean ret;
5851         uri_to_prog_t *handle;
5852         const char *posttype = NULL;
5853         const char *postseparator = NULL;
5854         int poststringbuffer = -1;
5855         int postkeyid = -1;
5856         const char *query_string = NULL;
5857         size_t lq;
5858
5859         if(!PRVM_allfunction(URI_Get_Callback))
5860                 PRVM_ERROR("uri_get called by %s without URI_Get_Callback defined", PRVM_NAME);
5861
5862         VM_SAFEPARMCOUNTRANGE(2, 6, VM_uri_get);
5863
5864         url = PRVM_G_STRING(OFS_PARM0);
5865         id = PRVM_G_FLOAT(OFS_PARM1);
5866         if(prog->argc >= 3)
5867                 posttype = PRVM_G_STRING(OFS_PARM2);
5868         if(prog->argc >= 4)
5869                 postseparator = PRVM_G_STRING(OFS_PARM3);
5870         if(prog->argc >= 5)
5871                 poststringbuffer = PRVM_G_FLOAT(OFS_PARM4);
5872         if(prog->argc >= 6)
5873                 postkeyid = PRVM_G_FLOAT(OFS_PARM5);
5874         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!
5875
5876         query_string = strchr(url, '?');
5877         if(query_string)
5878                 ++query_string;
5879         lq = query_string ? strlen(query_string) : 0;
5880
5881         handle->prognr = PRVM_GetProgNr();
5882         handle->starttime = prog->starttime;
5883         handle->id = id;
5884         if(postseparator)
5885         {
5886                 size_t l = strlen(postseparator);
5887                 if(poststringbuffer >= 0)
5888                 {
5889                         size_t ltotal;
5890                         int i;
5891                         // "implode"
5892                         prvm_stringbuffer_t *stringbuffer;
5893                         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, poststringbuffer);
5894                         if(!stringbuffer)
5895                         {
5896                                 VM_Warning("uri_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
5897                                 return;
5898                         }
5899                         ltotal = 0;
5900                         for(i = 0;i < stringbuffer->num_strings;i++)
5901                         {
5902                                 if(i > 0)
5903                                         ltotal += l;
5904                                 if(stringbuffer->strings[i])
5905                                         ltotal += strlen(stringbuffer->strings[i]);
5906                         }
5907                         handle->postdata = (unsigned char *)Z_Malloc(ltotal + 1 + lq);
5908                         handle->postlen = ltotal;
5909                         ltotal = 0;
5910                         for(i = 0;i < stringbuffer->num_strings;i++)
5911                         {
5912                                 if(i > 0)
5913                                 {
5914                                         memcpy(handle->postdata + ltotal, postseparator, l);
5915                                         ltotal += l;
5916                                 }
5917                                 if(stringbuffer->strings[i])
5918                                 {
5919                                         memcpy(handle->postdata + ltotal, stringbuffer->strings[i], strlen(stringbuffer->strings[i]));
5920                                         ltotal += strlen(stringbuffer->strings[i]);
5921                                 }
5922                         }
5923                         if(ltotal != handle->postlen)
5924                                 PRVM_ERROR ("%s: string buffer content size mismatch, possible overrun", PRVM_NAME);
5925                 }
5926                 else
5927                 {
5928                         handle->postdata = (unsigned char *)Z_Malloc(l + 1 + lq);
5929                         handle->postlen = l;
5930                         memcpy(handle->postdata, postseparator, l);
5931                 }
5932                 handle->postdata[handle->postlen] = 0;
5933                 if(query_string)
5934                         memcpy(handle->postdata + handle->postlen + 1, query_string, lq);
5935                 if(postkeyid >= 0)
5936                 {
5937                         // POST: we sign postdata \0 query string
5938                         size_t ll;
5939                         handle->sigdata = (char *)Z_Malloc(8192);
5940                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
5941                         l = strlen(handle->sigdata);
5942                         handle->siglen = Crypto_SignDataDetached(handle->postdata, handle->postlen + 1 + lq, postkeyid, handle->sigdata + l, 8192 - l);
5943                         if(!handle->siglen)
5944                         {
5945                                 Z_Free(handle->sigdata);
5946                                 handle->sigdata = NULL;
5947                                 goto out1;
5948                         }
5949                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
5950                         if(!ll)
5951                         {
5952                                 Z_Free(handle->sigdata);
5953                                 handle->sigdata = NULL;
5954                                 goto out1;
5955                         }
5956                         handle->siglen = l + ll;
5957                         handle->sigdata[handle->siglen] = 0;
5958                 }
5959 out1:
5960                 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);
5961         }
5962         else
5963         {
5964                 if(postkeyid >= 0 && query_string)
5965                 {
5966                         // GET: we sign JUST the query string
5967                         size_t l, ll;
5968                         handle->sigdata = (char *)Z_Malloc(8192);
5969                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
5970                         l = strlen(handle->sigdata);
5971                         handle->siglen = Crypto_SignDataDetached(query_string, lq, postkeyid, handle->sigdata + l, 8192 - l);
5972                         if(!handle->siglen)
5973                         {
5974                                 Z_Free(handle->sigdata);
5975                                 handle->sigdata = NULL;
5976                                 goto out2;
5977                         }
5978                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
5979                         if(!ll)
5980                         {
5981                                 Z_Free(handle->sigdata);
5982                                 handle->sigdata = NULL;
5983                                 goto out2;
5984                         }
5985                         handle->siglen = l + ll;
5986                         handle->sigdata[handle->siglen] = 0;
5987                 }
5988 out2:
5989                 handle->postdata = NULL;
5990                 handle->postlen = 0;
5991                 ret = Curl_Begin_ToMemory(url, 0, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
5992         }
5993         if(ret)
5994         {
5995                 PRVM_G_INT(OFS_RETURN) = 1;
5996         }
5997         else
5998         {
5999                 if(handle->postdata)
6000                         Z_Free(handle->postdata);
6001                 if(handle->sigdata)
6002                         Z_Free(handle->sigdata);
6003                 Z_Free(handle);
6004                 PRVM_G_INT(OFS_RETURN) = 0;
6005         }
6006 }
6007
6008 void VM_netaddress_resolve (void)
6009 {
6010         const char *ip;
6011         char normalized[128];
6012         int port;
6013         lhnetaddress_t addr;
6014
6015         VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
6016
6017         ip = PRVM_G_STRING(OFS_PARM0);
6018         port = 0;
6019         if(prog->argc > 1)
6020                 port = (int) PRVM_G_FLOAT(OFS_PARM1);
6021
6022         if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
6023                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(normalized);
6024         else
6025                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
6026 }
6027
6028 //string(void) getextresponse = #624; // returns the next extResponse packet that was sent to this client
6029 void VM_CL_getextresponse (void)
6030 {
6031         VM_SAFEPARMCOUNT(0,VM_argv);
6032
6033         if (cl_net_extresponse_count <= 0)
6034                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6035         else
6036         {
6037                 int first;
6038                 --cl_net_extresponse_count;
6039                 first = (cl_net_extresponse_last + NET_EXTRESPONSE_MAX - cl_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6040                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(cl_net_extresponse[first]);
6041         }
6042 }
6043
6044 void VM_SV_getextresponse (void)
6045 {
6046         VM_SAFEPARMCOUNT(0,VM_argv);
6047
6048         if (sv_net_extresponse_count <= 0)
6049                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6050         else
6051         {
6052                 int first;
6053                 --sv_net_extresponse_count;
6054                 first = (sv_net_extresponse_last + NET_EXTRESPONSE_MAX - sv_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6055                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(sv_net_extresponse[first]);
6056         }
6057 }
6058
6059 /*
6060 =========
6061 Common functions between menu.dat and clsprogs
6062 =========
6063 */
6064
6065 //#349 float() isdemo
6066 void VM_CL_isdemo (void)
6067 {
6068         VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
6069         PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
6070 }
6071
6072 //#355 float() videoplaying
6073 void VM_CL_videoplaying (void)
6074 {
6075         VM_SAFEPARMCOUNT(0, VM_CL_videoplaying);
6076         PRVM_G_FLOAT(OFS_RETURN) = cl_videoplaying;
6077 }
6078
6079 /*
6080 =========
6081 VM_M_callfunction
6082
6083         callfunction(...,string function_name)
6084 Extension: pass
6085 =========
6086 */
6087 mfunction_t *PRVM_ED_FindFunction (const char *name);
6088 void VM_callfunction(void)
6089 {
6090         mfunction_t *func;
6091         const char *s;
6092
6093         VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
6094
6095         s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
6096
6097         VM_CheckEmptyString(s);
6098
6099         func = PRVM_ED_FindFunction(s);
6100
6101         if(!func)
6102                 PRVM_ERROR("VM_callfunciton: function %s not found !", s);
6103         else if (func->first_statement < 0)
6104         {
6105                 // negative statements are built in functions
6106                 int builtinnumber = -func->first_statement;
6107                 prog->xfunction->builtinsprofile++;
6108                 if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
6109                         prog->builtins[builtinnumber]();
6110                 else
6111                         PRVM_ERROR("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, PRVM_NAME);
6112         }
6113         else if(func - prog->functions > 0)
6114         {
6115                 prog->argc--;
6116                 PRVM_ExecuteProgram(func - prog->functions,"");
6117                 prog->argc++;
6118         }
6119 }
6120
6121 /*
6122 =========
6123 VM_isfunction
6124
6125 float   isfunction(string function_name)
6126 =========
6127 */
6128 mfunction_t *PRVM_ED_FindFunction (const char *name);
6129 void VM_isfunction(void)
6130 {
6131         mfunction_t *func;
6132         const char *s;
6133
6134         VM_SAFEPARMCOUNT(1, VM_isfunction);
6135
6136         s = PRVM_G_STRING(OFS_PARM0);
6137
6138         VM_CheckEmptyString(s);
6139
6140         func = PRVM_ED_FindFunction(s);
6141
6142         if(!func)
6143                 PRVM_G_FLOAT(OFS_RETURN) = false;
6144         else
6145                 PRVM_G_FLOAT(OFS_RETURN) = true;
6146 }
6147
6148 /*
6149 =========
6150 VM_sprintf
6151
6152 string sprintf(string format, ...)
6153 =========
6154 */
6155
6156 void VM_sprintf(void)
6157 {
6158         const char *s, *s0;
6159         char outbuf[MAX_INPUTLINE];
6160         char *o = outbuf, *end = outbuf + sizeof(outbuf), *err;
6161         int argpos = 1;
6162         int width, precision, thisarg, flags;
6163         char formatbuf[16];
6164         char *f;
6165         int isfloat;
6166         static int dummyivec[3] = {0, 0, 0};
6167         static float dummyvec[3] = {0, 0, 0};
6168
6169 #define PRINTF_ALTERNATE 1
6170 #define PRINTF_ZEROPAD 2
6171 #define PRINTF_LEFT 4
6172 #define PRINTF_SPACEPOSITIVE 8
6173 #define PRINTF_SIGNPOSITIVE 16
6174
6175         formatbuf[0] = '%';
6176
6177         s = PRVM_G_STRING(OFS_PARM0);
6178
6179 #define GETARG_FLOAT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_FLOAT(OFS_PARM0 + 3 * (a))) : 0)
6180 #define GETARG_VECTOR(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyvec)
6181 #define GETARG_INT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_INT(OFS_PARM0 + 3 * (a))) : 0)
6182 #define GETARG_INTVECTOR(a) (((a)>=1 && (a)<prog->argc) ? ((int*) PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyivec)
6183 #define GETARG_STRING(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_STRING(OFS_PARM0 + 3 * (a))) : "")
6184
6185         for(;;)
6186         {
6187                 s0 = s;
6188                 switch(*s)
6189                 {
6190                         case 0:
6191                                 goto finished;
6192                         case '%':
6193                                 ++s;
6194
6195                                 if(*s == '%')
6196                                         goto verbatim;
6197
6198                                 // complete directive format:
6199                                 // %3$*1$.*2$ld
6200
6201                                 width = -1;
6202                                 precision = -1;
6203                                 thisarg = -1;
6204                                 flags = 0;
6205                                 isfloat = -1;
6206
6207                                 // is number following?
6208                                 if(*s >= '0' && *s <= '9')
6209                                 {
6210                                         width = strtol(s, &err, 10);
6211                                         if(!err)
6212                                         {
6213                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6214                                                 goto finished;
6215                                         }
6216                                         if(*err == '$')
6217                                         {
6218                                                 thisarg = width;
6219                                                 width = -1;
6220                                                 s = err + 1;
6221                                         }
6222                                         else
6223                                         {
6224                                                 if(*s == '0')
6225                                                 {
6226                                                         flags |= PRINTF_ZEROPAD;
6227                                                         if(width == 0)
6228                                                                 width = -1; // it was just a flag
6229                                                 }
6230                                                 s = err;
6231                                         }
6232                                 }
6233
6234                                 if(width < 0)
6235                                 {
6236                                         for(;;)
6237                                         {
6238                                                 switch(*s)
6239                                                 {
6240                                                         case '#': flags |= PRINTF_ALTERNATE; break;
6241                                                         case '0': flags |= PRINTF_ZEROPAD; break;
6242                                                         case '-': flags |= PRINTF_LEFT; break;
6243                                                         case ' ': flags |= PRINTF_SPACEPOSITIVE; break;
6244                                                         case '+': flags |= PRINTF_SIGNPOSITIVE; break;
6245                                                         default:
6246                                                                 goto noflags;
6247                                                 }
6248                                                 ++s;
6249                                         }
6250 noflags:
6251                                         if(*s == '*')
6252                                         {
6253                                                 ++s;
6254                                                 if(*s >= '0' && *s <= '9')
6255                                                 {
6256                                                         width = strtol(s, &err, 10);
6257                                                         if(!err || *err != '$')
6258                                                         {
6259                                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6260                                                                 goto finished;
6261                                                         }
6262                                                         s = err + 1;
6263                                                 }
6264                                                 else
6265                                                         width = argpos++;
6266                                                 width = GETARG_FLOAT(width);
6267                                                 if(width < 0)
6268                                                 {
6269                                                         flags |= PRINTF_LEFT;
6270                                                         width = -width;
6271                                                 }
6272                                         }
6273                                         else if(*s >= '0' && *s <= '9')
6274                                         {
6275                                                 width = strtol(s, &err, 10);
6276                                                 if(!err)
6277                                                 {
6278                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6279                                                         goto finished;
6280                                                 }
6281                                                 s = err;
6282                                                 if(width < 0)
6283                                                 {
6284                                                         flags |= PRINTF_LEFT;
6285                                                         width = -width;
6286                                                 }
6287                                         }
6288                                         // otherwise width stays -1
6289                                 }
6290
6291                                 if(*s == '.')
6292                                 {
6293                                         ++s;
6294                                         if(*s == '*')
6295                                         {
6296                                                 ++s;
6297                                                 if(*s >= '0' && *s <= '9')
6298                                                 {
6299                                                         precision = strtol(s, &err, 10);
6300                                                         if(!err || *err != '$')
6301                                                         {
6302                                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6303                                                                 goto finished;
6304                                                         }
6305                                                         s = err + 1;
6306                                                 }
6307                                                 else
6308                                                         precision = argpos++;
6309                                                 precision = GETARG_FLOAT(precision);
6310                                         }
6311                                         else if(*s >= '0' && *s <= '9')
6312                                         {
6313                                                 precision = strtol(s, &err, 10);
6314                                                 if(!err)
6315                                                 {
6316                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6317                                                         goto finished;
6318                                                 }
6319                                                 s = err;
6320                                         }
6321                                         else
6322                                         {
6323                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6324                                                 goto finished;
6325                                         }
6326                                 }
6327
6328                                 for(;;)
6329                                 {
6330                                         switch(*s)
6331                                         {
6332                                                 case 'h': isfloat = 1; break;
6333                                                 case 'l': isfloat = 0; break;
6334                                                 case 'L': isfloat = 0; break;
6335                                                 case 'j': break;
6336                                                 case 'z': break;
6337                                                 case 't': break;
6338                                                 default:
6339                                                         goto nolength;
6340                                         }
6341                                         ++s;
6342                                 }
6343 nolength:
6344
6345                                 // now s points to the final directive char and is no longer changed
6346                                 if(isfloat < 0)
6347                                 {
6348                                         if(*s == 'i')
6349                                                 isfloat = 0;
6350                                         else
6351                                                 isfloat = 1;
6352                                 }
6353
6354                                 if(thisarg < 0)
6355                                         thisarg = argpos++;
6356
6357                                 if(o < end - 1)
6358                                 {
6359                                         f = &formatbuf[1];
6360                                         if(*s != 's' && *s != 'c')
6361                                                 if(flags & PRINTF_ALTERNATE) *f++ = '#';
6362                                         if(flags & PRINTF_ZEROPAD) *f++ = '0';
6363                                         if(flags & PRINTF_LEFT) *f++ = '-';
6364                                         if(flags & PRINTF_SPACEPOSITIVE) *f++ = ' ';
6365                                         if(flags & PRINTF_SIGNPOSITIVE) *f++ = '+';
6366                                         *f++ = '*';
6367                                         if(precision >= 0)
6368                                         {
6369                                                 *f++ = '.';
6370                                                 *f++ = '*';
6371                                         }
6372                                         *f++ = *s;
6373                                         *f++ = 0;
6374
6375                                         if(width < 0) // not set
6376                                                 width = 0;
6377
6378                                         switch(*s)
6379                                         {
6380                                                 case 'd': case 'i':
6381                                                         if(precision < 0) // not set
6382                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (int) GETARG_FLOAT(thisarg) : (int) GETARG_INT(thisarg)));
6383                                                         else
6384                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (int) GETARG_FLOAT(thisarg) : (int) GETARG_INT(thisarg)));
6385                                                         break;
6386                                                 case 'o': case 'u': case 'x': case 'X':
6387                                                         if(precision < 0) // not set
6388                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6389                                                         else
6390                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6391                                                         break;
6392                                                 case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
6393                                                         if(precision < 0) // not set
6394                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6395                                                         else
6396                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6397                                                         break;
6398                                                 case 'v': case 'V':
6399                                                         f[-2] += 'g' - 'v';
6400                                                         if(precision < 0) // not set
6401                                                                 o += dpsnprintf(o, end - o, va("%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6402                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6403                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6404                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6405                                                                 );
6406                                                         else
6407                                                                 o += dpsnprintf(o, end - o, va("%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6408                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6409                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6410                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6411                                                                 );
6412                                                         break;
6413                                                 case 'c':
6414                                                         if(flags & PRINTF_ALTERNATE)
6415                                                         {
6416                                                                 if(precision < 0) // not set
6417                                                                         o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6418                                                                 else
6419                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6420                                                         }
6421                                                         else
6422                                                         {
6423                                                                 unsigned int c = (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg));
6424                                                                 const char *buf = u8_encodech(c, NULL);
6425                                                                 if(!buf)
6426                                                                         buf = "";
6427                                                                 if(precision < 0) // not set
6428                                                                         precision = end - o - 1;
6429                                                                 o += u8_strpad(o, end - o, buf, (flags & PRINTF_LEFT) != 0, width, precision);
6430                                                         }
6431                                                         break;
6432                                                 case 's':
6433                                                         if(flags & PRINTF_ALTERNATE)
6434                                                         {
6435                                                                 if(precision < 0) // not set
6436                                                                         o += dpsnprintf(o, end - o, formatbuf, width, GETARG_STRING(thisarg));
6437                                                                 else
6438                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, GETARG_STRING(thisarg));
6439                                                         }
6440                                                         else
6441                                                         {
6442                                                                 if(precision < 0) // not set
6443                                                                         precision = end - o - 1;
6444                                                                 o += u8_strpad(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6445                                                         }
6446                                                         break;
6447                                                 default:
6448                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
6449                                                         goto finished;
6450                                         }
6451                                 }
6452                                 ++s;
6453                                 break;
6454                         default:
6455 verbatim:
6456                                 if(o < end - 1)
6457                                         *o++ = *s++;
6458                                 break;
6459                 }
6460         }
6461 finished:
6462         *o = 0;
6463         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(outbuf);
6464 }
6465
6466
6467 // surface querying
6468
6469 static dp_model_t *getmodel(prvm_edict_t *ed)
6470 {
6471         switch(PRVM_GetProgNr())
6472         {
6473                 case PRVM_SERVERPROG:
6474                         return SV_GetModelFromEdict(ed);
6475                 case PRVM_CLIENTPROG:
6476                         return CL_GetModelFromEdict(ed);
6477                 default:
6478                         return NULL;
6479         }
6480 }
6481
6482 typedef struct
6483 {
6484         unsigned int progid;
6485         dp_model_t *model;
6486         frameblend_t frameblend[MAX_FRAMEBLENDS];
6487         skeleton_t *skeleton_p;
6488         skeleton_t skeleton;
6489         float *data_vertex3f;
6490         float *data_svector3f;
6491         float *data_tvector3f;
6492         float *data_normal3f;
6493         int max_vertices;
6494         float *buf_vertex3f;
6495         float *buf_svector3f;
6496         float *buf_tvector3f;
6497         float *buf_normal3f;
6498 }
6499 animatemodel_cache_t;
6500 static animatemodel_cache_t animatemodel_cache;
6501
6502 void animatemodel(dp_model_t *model, prvm_edict_t *ed)
6503 {
6504         skeleton_t *skeleton;
6505         int skeletonindex = -1;
6506         qboolean need = false;
6507         if(!(model->surfmesh.isanimated && model->AnimateVertices))
6508         {
6509                 animatemodel_cache.data_vertex3f = model->surfmesh.data_vertex3f;
6510                 animatemodel_cache.data_svector3f = model->surfmesh.data_svector3f;
6511                 animatemodel_cache.data_tvector3f = model->surfmesh.data_tvector3f;
6512                 animatemodel_cache.data_normal3f = model->surfmesh.data_normal3f;
6513                 return;
6514         }
6515         if(animatemodel_cache.progid != prog->id)
6516                 memset(&animatemodel_cache, 0, sizeof(animatemodel_cache));
6517         need |= (animatemodel_cache.model != model);
6518         VM_GenerateFrameGroupBlend(ed->priv.server->framegroupblend, ed);
6519         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
6520         need |= (memcmp(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend))) != 0;
6521         skeletonindex = (int)PRVM_gameedictfloat(ed, skeletonindex) - 1;
6522         if (!(skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones))
6523                 skeleton = NULL;
6524         need |= (animatemodel_cache.skeleton_p != skeleton);
6525         if(skeleton)
6526                 need |= (memcmp(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton))) != 0;
6527         if(!need)
6528                 return;
6529         if(model->surfmesh.num_vertices > animatemodel_cache.max_vertices)
6530         {
6531                 animatemodel_cache.max_vertices = model->surfmesh.num_vertices * 2;
6532                 if(animatemodel_cache.buf_vertex3f) Mem_Free(animatemodel_cache.buf_vertex3f);
6533                 if(animatemodel_cache.buf_svector3f) Mem_Free(animatemodel_cache.buf_svector3f);
6534                 if(animatemodel_cache.buf_tvector3f) Mem_Free(animatemodel_cache.buf_tvector3f);
6535                 if(animatemodel_cache.buf_normal3f) Mem_Free(animatemodel_cache.buf_normal3f);
6536                 animatemodel_cache.buf_vertex3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6537                 animatemodel_cache.buf_svector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6538                 animatemodel_cache.buf_tvector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6539                 animatemodel_cache.buf_normal3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6540         }
6541         animatemodel_cache.data_vertex3f = animatemodel_cache.buf_vertex3f;
6542         animatemodel_cache.data_svector3f = animatemodel_cache.buf_svector3f;
6543         animatemodel_cache.data_tvector3f = animatemodel_cache.buf_tvector3f;
6544         animatemodel_cache.data_normal3f = animatemodel_cache.buf_normal3f;
6545         VM_UpdateEdictSkeleton(ed, model, ed->priv.server->frameblend);
6546         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);
6547         animatemodel_cache.progid = prog->id;
6548         animatemodel_cache.model = model;
6549         memcpy(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
6550         animatemodel_cache.skeleton_p = skeleton;
6551         if(skeleton)
6552                 memcpy(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton));
6553 }
6554
6555 static void getmatrix(prvm_edict_t *ed, matrix4x4_t *out)
6556 {
6557         switch(PRVM_GetProgNr())
6558         {
6559                 case PRVM_SERVERPROG:
6560                         SV_GetEntityMatrix(ed, out, false);
6561                         break;
6562                 case PRVM_CLIENTPROG:
6563                         CL_GetEntityMatrix(ed, out, false);
6564                         break;
6565                 default:
6566                         *out = identitymatrix;
6567                         break;
6568         }
6569 }
6570
6571 static void applytransform_forward(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6572 {
6573         matrix4x4_t m;
6574         getmatrix(ed, &m);
6575         Matrix4x4_Transform(&m, in, out);
6576 }
6577
6578 static void applytransform_forward_direction(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6579 {
6580         matrix4x4_t m;
6581         getmatrix(ed, &m);
6582         Matrix4x4_Transform3x3(&m, in, out);
6583 }
6584
6585 static void applytransform_inverted(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6586 {
6587         matrix4x4_t m, n;
6588         getmatrix(ed, &m);
6589         Matrix4x4_Invert_Full(&n, &m);
6590         Matrix4x4_Transform3x3(&n, in, out);
6591 }
6592
6593 static void applytransform_forward_normal(const vec3_t in, prvm_edict_t *ed, vec3_t out)
6594 {
6595         matrix4x4_t m;
6596         float p[4];
6597         getmatrix(ed, &m);
6598         Matrix4x4_TransformPositivePlane(&m, in[0], in[1], in[2], 0, p);
6599         VectorCopy(p, out);
6600 }
6601
6602 static void clippointtosurface(prvm_edict_t *ed, dp_model_t *model, msurface_t *surface, vec3_t p, vec3_t out)
6603 {
6604         int i, j, k;
6605         float *v[3], facenormal[3], edgenormal[3], sidenormal[3], temp[3], offsetdist, dist, bestdist;
6606         const int *e;
6607         animatemodel(model, ed);
6608         bestdist = 1000000000;
6609         VectorCopy(p, out);
6610         for (i = 0, e = (model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);i < surface->num_triangles;i++, e += 3)
6611         {
6612                 // clip original point to each triangle of the surface and find the
6613                 // triangle that is closest
6614                 v[0] = animatemodel_cache.data_vertex3f + e[0] * 3;
6615                 v[1] = animatemodel_cache.data_vertex3f + e[1] * 3;
6616                 v[2] = animatemodel_cache.data_vertex3f + e[2] * 3;
6617                 TriangleNormal(v[0], v[1], v[2], facenormal);
6618                 VectorNormalize(facenormal);
6619                 offsetdist = DotProduct(v[0], facenormal) - DotProduct(p, facenormal);
6620                 VectorMA(p, offsetdist, facenormal, temp);
6621                 for (j = 0, k = 2;j < 3;k = j, j++)
6622                 {
6623                         VectorSubtract(v[k], v[j], edgenormal);
6624                         CrossProduct(edgenormal, facenormal, sidenormal);
6625                         VectorNormalize(sidenormal);
6626                         offsetdist = DotProduct(v[k], sidenormal) - DotProduct(temp, sidenormal);
6627                         if (offsetdist < 0)
6628                                 VectorMA(temp, offsetdist, sidenormal, temp);
6629                 }
6630                 dist = VectorDistance2(temp, p);
6631                 if (bestdist > dist)
6632                 {
6633                         bestdist = dist;
6634                         VectorCopy(temp, out);
6635                 }
6636         }
6637 }
6638
6639 static msurface_t *getsurface(dp_model_t *model, int surfacenum)
6640 {
6641         if (surfacenum < 0 || surfacenum >= model->nummodelsurfaces)
6642                 return NULL;
6643         return model->data_surfaces + surfacenum + model->firstmodelsurface;
6644 }
6645
6646
6647 //PF_getsurfacenumpoints, // #434 float(entity e, float s) getsurfacenumpoints = #434;
6648 void VM_getsurfacenumpoints(void)
6649 {
6650         dp_model_t *model;
6651         msurface_t *surface;
6652         VM_SAFEPARMCOUNT(2, VM_getsurfacenumpoints);
6653         // return 0 if no such surface
6654         if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6655         {
6656                 PRVM_G_FLOAT(OFS_RETURN) = 0;
6657                 return;
6658         }
6659
6660         // note: this (incorrectly) assumes it is a simple polygon
6661         PRVM_G_FLOAT(OFS_RETURN) = surface->num_vertices;
6662 }
6663 //PF_getsurfacepoint,     // #435 vector(entity e, float s, float n) getsurfacepoint = #435;
6664 void VM_getsurfacepoint(void)
6665 {
6666         prvm_edict_t *ed;
6667         dp_model_t *model;
6668         msurface_t *surface;
6669         int pointnum;
6670         VM_SAFEPARMCOUNT(3, VM_getsurfacepoint);
6671         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6672         ed = PRVM_G_EDICT(OFS_PARM0);
6673         if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6674                 return;
6675         // note: this (incorrectly) assumes it is a simple polygon
6676         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
6677         if (pointnum < 0 || pointnum >= surface->num_vertices)
6678                 return;
6679         animatemodel(model, ed);
6680         applytransform_forward(&(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6681 }
6682 //PF_getsurfacepointattribute,     // #486 vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
6683 // float SPA_POSITION = 0;
6684 // float SPA_S_AXIS = 1;
6685 // float SPA_T_AXIS = 2;
6686 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
6687 // float SPA_TEXCOORDS0 = 4;
6688 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
6689 // float SPA_LIGHTMAP0_COLOR = 6;
6690 void VM_getsurfacepointattribute(void)
6691 {
6692         prvm_edict_t *ed;
6693         dp_model_t *model;
6694         msurface_t *surface;
6695         int pointnum;
6696         int attributetype;
6697
6698         VM_SAFEPARMCOUNT(4, VM_getsurfacepoint);
6699         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6700         ed = PRVM_G_EDICT(OFS_PARM0);
6701         if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6702                 return;
6703         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
6704         if (pointnum < 0 || pointnum >= surface->num_vertices)
6705                 return;
6706         attributetype = (int) PRVM_G_FLOAT(OFS_PARM3);
6707
6708         animatemodel(model, ed);
6709
6710         switch( attributetype ) {
6711                 // float SPA_POSITION = 0;
6712                 case 0:
6713                         applytransform_forward(&(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6714                         break;
6715                 // float SPA_S_AXIS = 1;
6716                 case 1:
6717                         applytransform_forward_direction(&(animatemodel_cache.data_svector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6718                         break;
6719                 // float SPA_T_AXIS = 2;
6720                 case 2:
6721                         applytransform_forward_direction(&(animatemodel_cache.data_tvector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6722                         break;
6723                 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
6724                 case 3:
6725                         applytransform_forward_direction(&(animatemodel_cache.data_normal3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, PRVM_G_VECTOR(OFS_RETURN));
6726                         break;
6727                 // float SPA_TEXCOORDS0 = 4;
6728                 case 4: {
6729                         float *ret = PRVM_G_VECTOR(OFS_RETURN);
6730                         float *texcoord = &(model->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[pointnum * 2];
6731                         ret[0] = texcoord[0];
6732                         ret[1] = texcoord[1];
6733                         ret[2] = 0.0f;
6734                         break;
6735                 }
6736                 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
6737                 case 5: {
6738                         float *ret = PRVM_G_VECTOR(OFS_RETURN);
6739                         float *texcoord = &(model->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[pointnum * 2];
6740                         ret[0] = texcoord[0];
6741                         ret[1] = texcoord[1];
6742                         ret[2] = 0.0f;
6743                         break;
6744                 }
6745                 // float SPA_LIGHTMAP0_COLOR = 6;
6746                 case 6:
6747                         // ignore alpha for now..
6748                         VectorCopy( &(model->surfmesh.data_lightmapcolor4f + 4 * surface->num_firstvertex)[pointnum * 4], PRVM_G_VECTOR(OFS_RETURN));
6749                         break;
6750                 default:
6751                         VectorSet( PRVM_G_VECTOR(OFS_RETURN), 0.0f, 0.0f, 0.0f );
6752                         break;
6753         }
6754 }
6755 //PF_getsurfacenormal,    // #436 vector(entity e, float s) getsurfacenormal = #436;
6756 void VM_getsurfacenormal(void)
6757 {
6758         dp_model_t *model;
6759         msurface_t *surface;
6760         vec3_t normal;
6761         VM_SAFEPARMCOUNT(2, VM_getsurfacenormal);
6762         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6763         if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6764                 return;
6765         // note: this only returns the first triangle, so it doesn't work very
6766         // well for curved surfaces or arbitrary meshes
6767         animatemodel(model, PRVM_G_EDICT(OFS_PARM0));
6768         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);
6769         applytransform_forward_normal(normal, PRVM_G_EDICT(OFS_PARM0), PRVM_G_VECTOR(OFS_RETURN));
6770         VectorNormalize(PRVM_G_VECTOR(OFS_RETURN));
6771 }
6772 //PF_getsurfacetexture,   // #437 string(entity e, float s) getsurfacetexture = #437;
6773 void VM_getsurfacetexture(void)
6774 {
6775         dp_model_t *model;
6776         msurface_t *surface;
6777         VM_SAFEPARMCOUNT(2, VM_getsurfacetexture);
6778         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6779         if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6780                 return;
6781         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(surface->texture->name);
6782 }
6783 //PF_getsurfacenearpoint, // #438 float(entity e, vector p) getsurfacenearpoint = #438;
6784 void VM_getsurfacenearpoint(void)
6785 {
6786         int surfacenum, best;
6787         vec3_t clipped, p;
6788         vec_t dist, bestdist;
6789         prvm_edict_t *ed;
6790         dp_model_t *model;
6791         msurface_t *surface;
6792         vec_t *point;
6793         VM_SAFEPARMCOUNT(2, VM_getsurfacenearpoint);
6794         PRVM_G_FLOAT(OFS_RETURN) = -1;
6795         ed = PRVM_G_EDICT(OFS_PARM0);
6796         point = PRVM_G_VECTOR(OFS_PARM1);
6797
6798         if (!ed || ed->priv.server->free)
6799                 return;
6800         model = getmodel(ed);
6801         if (!model || !model->num_surfaces)
6802                 return;
6803
6804         animatemodel(model, ed);
6805
6806         applytransform_inverted(point, ed, p);
6807         best = -1;
6808         bestdist = 1000000000;
6809         for (surfacenum = 0;surfacenum < model->nummodelsurfaces;surfacenum++)
6810         {
6811                 surface = model->data_surfaces + surfacenum + model->firstmodelsurface;
6812                 // first see if the nearest point on the surface's box is closer than the previous match
6813                 clipped[0] = bound(surface->mins[0], p[0], surface->maxs[0]) - p[0];
6814                 clipped[1] = bound(surface->mins[1], p[1], surface->maxs[1]) - p[1];
6815                 clipped[2] = bound(surface->mins[2], p[2], surface->maxs[2]) - p[2];
6816                 dist = VectorLength2(clipped);
6817                 if (dist < bestdist)
6818                 {
6819                         // it is, check the nearest point on the actual geometry
6820                         clippointtosurface(ed, model, surface, p, clipped);
6821                         VectorSubtract(clipped, p, clipped);
6822                         dist += VectorLength2(clipped);
6823                         if (dist < bestdist)
6824                         {
6825                                 // that's closer too, store it as the best match
6826                                 best = surfacenum;
6827                                 bestdist = dist;
6828                         }
6829                 }
6830         }
6831         PRVM_G_FLOAT(OFS_RETURN) = best;
6832 }
6833 //PF_getsurfaceclippedpoint, // #439 vector(entity e, float s, vector p) getsurfaceclippedpoint = #439;
6834 void VM_getsurfaceclippedpoint(void)
6835 {
6836         prvm_edict_t *ed;
6837         dp_model_t *model;
6838         msurface_t *surface;
6839         vec3_t p, out;
6840         VM_SAFEPARMCOUNT(3, VM_te_getsurfaceclippedpoint);
6841         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6842         ed = PRVM_G_EDICT(OFS_PARM0);
6843         if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6844                 return;
6845         animatemodel(model, ed);
6846         applytransform_inverted(PRVM_G_VECTOR(OFS_PARM2), ed, p);
6847         clippointtosurface(ed, model, surface, p, out);
6848         VectorAdd(out, ed->fields.server->origin, PRVM_G_VECTOR(OFS_RETURN));
6849 }
6850
6851 //PF_getsurfacenumtriangles, // #??? float(entity e, float s) getsurfacenumtriangles = #???;
6852 void VM_getsurfacenumtriangles(void)
6853 {
6854        dp_model_t *model;
6855        msurface_t *surface;
6856        VM_SAFEPARMCOUNT(2, VM_SV_getsurfacenumtriangles);
6857        // return 0 if no such surface
6858        if (!(model = getmodel(PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6859        {
6860                PRVM_G_FLOAT(OFS_RETURN) = 0;
6861                return;
6862        }
6863
6864        // note: this (incorrectly) assumes it is a simple polygon
6865        PRVM_G_FLOAT(OFS_RETURN) = surface->num_triangles;
6866 }
6867 //PF_getsurfacetriangle,     // #??? vector(entity e, float s, float n) getsurfacetriangle = #???;
6868 void VM_getsurfacetriangle(void)
6869 {
6870        const vec3_t d = {-1, -1, -1};
6871        prvm_edict_t *ed;
6872        dp_model_t *model;
6873        msurface_t *surface;
6874        int trinum;
6875        VM_SAFEPARMCOUNT(3, VM_SV_getsurfacetriangle);
6876        VectorClear(PRVM_G_VECTOR(OFS_RETURN));
6877        ed = PRVM_G_EDICT(OFS_PARM0);
6878        if (!(model = getmodel(ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
6879                return;
6880        trinum = (int)PRVM_G_FLOAT(OFS_PARM2);
6881        if (trinum < 0 || trinum >= surface->num_triangles)
6882                return;
6883        // FIXME: implement rotation/scaling
6884        VectorMA(&(model->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[trinum * 3], surface->num_firstvertex, d, PRVM_G_VECTOR(OFS_RETURN));
6885 }
6886
6887 //
6888 // physics builtins
6889 //
6890
6891 void World_Physics_ApplyCmd(prvm_edict_t *ed, edict_odefunc_t *f);
6892
6893 #define VM_physics_ApplyCmd(ed,f) if (!ed->priv.server->ode_body) VM_physics_newstackfunction(ed, f); else World_Physics_ApplyCmd(ed, f)
6894
6895 edict_odefunc_t *VM_physics_newstackfunction(prvm_edict_t *ed, edict_odefunc_t *f)
6896 {
6897         edict_odefunc_t *newfunc, *func;
6898
6899         newfunc = (edict_odefunc_t *)Mem_Alloc(prog->progs_mempool, sizeof(edict_odefunc_t));
6900         memcpy(newfunc, f, sizeof(edict_odefunc_t));
6901         newfunc->next = NULL;
6902         if (!ed->priv.server->ode_func)
6903                 ed->priv.server->ode_func = newfunc;
6904         else
6905         {
6906                 for (func = ed->priv.server->ode_func; func->next; func = func->next);
6907                 func->next = newfunc;
6908         }
6909         return newfunc;
6910 }
6911
6912 // void(entity e, float physics_enabled) physics_enable = #;
6913 void VM_physics_enable(void)
6914 {
6915         prvm_edict_t *ed;
6916         edict_odefunc_t f;
6917
6918         VM_SAFEPARMCOUNT(2, VM_physics_enable);
6919         ed = PRVM_G_EDICT(OFS_PARM0);
6920         if (!ed)
6921         {
6922                 if (developer.integer > 0)
6923                         VM_Warning("VM_physics_enable: null entity!\n");
6924                 return;
6925         }
6926         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
6927         if (ed->fields.server->movetype != MOVETYPE_PHYSICS)
6928         {
6929                 VM_Warning("VM_physics_enable: entity is not MOVETYPE_PHYSICS!\n");
6930                 return;
6931         }
6932         f.type = PRVM_G_FLOAT(OFS_PARM1) == 0 ? ODEFUNC_DISABLE : ODEFUNC_ENABLE;
6933         VM_physics_ApplyCmd(ed, &f);
6934 }
6935
6936 // void(entity e, vector force, vector relative_ofs) physics_addforce = #;
6937 void VM_physics_addforce(void)
6938 {
6939         prvm_edict_t *ed;
6940         edict_odefunc_t f;
6941
6942         VM_SAFEPARMCOUNT(3, VM_physics_addforce);
6943         ed = PRVM_G_EDICT(OFS_PARM0);
6944         if (!ed)
6945         {
6946                 if (developer.integer > 0)
6947                         VM_Warning("VM_physics_addforce: null entity!\n");
6948                 return;
6949         }
6950         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
6951         if (ed->fields.server->movetype != MOVETYPE_PHYSICS)
6952         {
6953                 VM_Warning("VM_physics_addforce: entity is not MOVETYPE_PHYSICS!\n");
6954                 return;
6955         }
6956         f.type = ODEFUNC_RELFORCEATPOS;
6957         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
6958         VectorSubtract(ed->fields.server->origin, PRVM_G_VECTOR(OFS_PARM2), f.v2);
6959         VM_physics_ApplyCmd(ed, &f);
6960 }
6961
6962 // void(entity e, vector torque) physics_addtorque = #;
6963 void VM_physics_addtorque(void)
6964 {
6965         prvm_edict_t *ed;
6966         edict_odefunc_t f;
6967
6968         VM_SAFEPARMCOUNT(2, VM_physics_addtorque);
6969         ed = PRVM_G_EDICT(OFS_PARM0);
6970         if (!ed)
6971         {
6972                 if (developer.integer > 0)
6973                         VM_Warning("VM_physics_addtorque: null entity!\n");
6974                 return;
6975         }
6976         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
6977         if (ed->fields.server->movetype != MOVETYPE_PHYSICS)
6978         {
6979                 VM_Warning("VM_physics_addtorque: entity is not MOVETYPE_PHYSICS!\n");
6980                 return;
6981         }
6982         f.type = ODEFUNC_RELTORQUE;
6983         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
6984         VM_physics_ApplyCmd(ed, &f);
6985 }