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 "csprogs.h"
  16 #include "ft2.h"
  17 #include "mdfour.h"
  18
  19 extern cvar_t prvm_backtraceforwarnings;
  20 #ifdef USEODE
  21 extern dllhandle_t ode_dll;
  22 #endif
  23
  24 // LordHavoc: changed this to NOT use a return statement, so that it can be used in functions that must return a value
  25 void VM_Warning(prvm_prog_t *prog, const char *fmt, ...)
  26 {
  27         va_list argptr;
  28         char msg[MAX_INPUTLINE];
  29         static double recursive = -1;
  30
  31         va_start(argptr,fmt);
  32         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
  33         va_end(argptr);
  34
  35         Con_Print(msg);
  36
  37         // TODO: either add a cvar/cmd to control the state dumping or replace some of the calls with Con_Printf [9/13/2006 Black]
  38         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
  39         {
  40                 recursive = realtime;
  41                 PRVM_PrintState(prog, 0);
  42                 recursive = -1;
  43         }
  44 }
  45
  46
  47 //============================================================================
  48 // Common
  49
  50 // TODO DONE: move vm_files and vm_fssearchlist to prvm_prog_t struct
  51 // TODO: move vm_files and vm_fssearchlist back [9/13/2006 Black]
  52 // TODO: (move vm_files and vm_fssearchlist to prvm_prog_t struct again) [2007-01-23 LordHavoc]
  53 // TODO: will this war ever end? [2007-01-23 LordHavoc]
  54
  55 void VM_CheckEmptyString(prvm_prog_t *prog, const char *s)
  56 {
  57         if (ISWHITESPACE(s[0]))
  58                 prog->error_cmd("%s: Bad string", prog->name);
  59 }
  60
  61 void VM_GenerateFrameGroupBlend(prvm_prog_t *prog, framegroupblend_t *framegroupblend, const prvm_edict_t *ed)
  62 {
  63         // self.frame is the interpolation target (new frame)
  64         // self.frame1time is the animation base time for the interpolation target
  65         // self.frame2 is the interpolation start (previous frame)
  66         // self.frame2time is the animation base time for the interpolation start
  67         // self.lerpfrac is the interpolation strength for self.frame2
  68         // self.lerpfrac3 is the interpolation strength for self.frame3
  69         // self.lerpfrac4 is the interpolation strength for self.frame4
  70         // pitch angle on a player model where the animator set up 5 sets of
  71         // animations and the csqc simply lerps between sets)
  72         framegroupblend[0].frame = (int) PRVM_gameedictfloat(ed, frame     );
  73         framegroupblend[1].frame = (int) PRVM_gameedictfloat(ed, frame2    );
  74         framegroupblend[2].frame = (int) PRVM_gameedictfloat(ed, frame3    );
  75         framegroupblend[3].frame = (int) PRVM_gameedictfloat(ed, frame4    );
  76         framegroupblend[0].start =       PRVM_gameedictfloat(ed, frame1time);
  77         framegroupblend[1].start =       PRVM_gameedictfloat(ed, frame2time);
  78         framegroupblend[2].start =       PRVM_gameedictfloat(ed, frame3time);
  79         framegroupblend[3].start =       PRVM_gameedictfloat(ed, frame4time);
  80         framegroupblend[1].lerp  =       PRVM_gameedictfloat(ed, lerpfrac  );
  81         framegroupblend[2].lerp  =       PRVM_gameedictfloat(ed, lerpfrac3 );
  82         framegroupblend[3].lerp  =       PRVM_gameedictfloat(ed, lerpfrac4 );
  83         // assume that the (missing) lerpfrac1 is whatever remains after lerpfrac2+lerpfrac3+lerpfrac4 are summed
  84         framegroupblend[0].lerp = 1 - framegroupblend[1].lerp - framegroupblend[2].lerp - framegroupblend[3].lerp;
  85 }
  86
  87 // LordHavoc: quite tempting to break apart this function to reuse the
  88 //            duplicated code, but I suspect it is better for performance
  89 //            this way
  90 void VM_FrameBlendFromFrameGroupBlend(frameblend_t *frameblend, const framegroupblend_t *framegroupblend, const dp_model_t *model, double curtime)
  91 {
  92         int sub2, numframes, f, i, k;
  93         int isfirstframegroup = true;
  94         int nolerp;
  95         double sublerp, lerp, d;
  96         const animscene_t *scene;
  97         const framegroupblend_t *g;
  98         frameblend_t *blend = frameblend;
  99
 100         memset(blend, 0, MAX_FRAMEBLENDS * sizeof(*blend));
 101
 102         if (!model || !model->surfmesh.isanimated)
 103         {
 104                 blend[0].lerp = 1;
 105                 return;
 106         }
 107
 108         nolerp = (model->type == mod_sprite) ? !r_lerpsprites.integer : !r_lerpmodels.integer;
 109         numframes = model->numframes;
 110         for (k = 0, g = framegroupblend;k < MAX_FRAMEGROUPBLENDS;k++, g++)
 111         {
 112                 f = g->frame;
 113                 if ((unsigned int)f >= (unsigned int)numframes)
 114                 {
 115                         if (developer_extra.integer)
 116                                 Con_DPrintf("VM_FrameBlendFromFrameGroupBlend: no such frame %d in model %s\n", f, model->name);
 117                         f = 0;
 118                 }
 119                 d = lerp = g->lerp;
 120                 if (lerp <= 0)
 121                         continue;
 122                 if (nolerp)
 123                 {
 124                         if (isfirstframegroup)
 125                         {
 126                                 d = lerp = 1;
 127                                 isfirstframegroup = false;
 128                         }
 129                         else
 130                                 continue;
 131                 }
 132                 if (model->animscenes)
 133                 {
 134                         scene = model->animscenes + f;
 135                         f = scene->firstframe;
 136                         if (scene->framecount > 1)
 137                         {
 138                                 // this code path is only used on .zym models and torches
 139                                 sublerp = scene->framerate * (curtime - g->start);
 140                                 f = (int) floor(sublerp);
 141                                 sublerp -= f;
 142                                 sub2 = f + 1;
 143                                 if (sublerp < (1.0 / 65536.0f))
 144                                         sublerp = 0;
 145                                 if (sublerp > (65535.0f / 65536.0f))
 146                                         sublerp = 1;
 147                                 if (nolerp)
 148                                         sublerp = 0;
 149                                 if (scene->loop)
 150                                 {
 151                                         f = (f % scene->framecount);
 152                                         sub2 = (sub2 % scene->framecount);
 153                                 }
 154                                 f = bound(0, f, (scene->framecount - 1)) + scene->firstframe;
 155                                 sub2 = bound(0, sub2, (scene->framecount - 1)) + scene->firstframe;
 156                                 d = sublerp * lerp;
 157                                 // two framelerps produced from one animation
 158                                 if (d > 0)
 159                                 {
 160                                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 161                                         {
 162                                                 if (blend[i].lerp <= 0 || blend[i].subframe == sub2)
 163                                                 {
 164                                                         blend[i].subframe = sub2;
 165                                                         blend[i].lerp += d;
 166                                                         break;
 167                                                 }
 168                                         }
 169                                 }
 170                                 d = (1 - sublerp) * lerp;
 171                         }
 172                 }
 173                 if (d > 0)
 174                 {
 175                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 176                         {
 177                                 if (blend[i].lerp <= 0 || blend[i].subframe == f)
 178                                 {
 179                                         blend[i].subframe = f;
 180                                         blend[i].lerp += d;
 181                                         break;
 182                                 }
 183                         }
 184                 }
 185         }
 186 }
 187
 188 void VM_UpdateEdictSkeleton(prvm_prog_t *prog, prvm_edict_t *ed, const dp_model_t *edmodel, const frameblend_t *frameblend)
 189 {
 190         if (ed->priv.server->skeleton.model != edmodel)
 191         {
 192                 VM_RemoveEdictSkeleton(prog, ed);
 193                 ed->priv.server->skeleton.model = edmodel;
 194         }
 195         if (!ed->priv.server->skeleton.model || !ed->priv.server->skeleton.model->num_bones)
 196         {
 197                 if(ed->priv.server->skeleton.relativetransforms)
 198                         Mem_Free(ed->priv.server->skeleton.relativetransforms);
 199                 ed->priv.server->skeleton.relativetransforms = NULL;
 200                 return;
 201         }
 202
 203         {
 204                 int skeletonindex = -1;
 205                 skeleton_t *skeleton;
 206                 skeletonindex = (int)PRVM_gameedictfloat(ed, skeletonindex) - 1;
 207                 if (skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones)
 208                 {
 209                         // custom skeleton controlled by the game (FTE_CSQC_SKELETONOBJECTS)
 210                         if (!ed->priv.server->skeleton.relativetransforms)
 211                                 ed->priv.server->skeleton.relativetransforms = (matrix4x4_t *)Mem_Alloc(prog->progs_mempool, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 212                         memcpy(ed->priv.server->skeleton.relativetransforms, skeleton->relativetransforms, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 213                 }
 214                 else
 215                 {
 216                         if(ed->priv.server->skeleton.relativetransforms)
 217                                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 218                         ed->priv.server->skeleton.relativetransforms = NULL;
 219                 }
 220         }
 221 }
 222
 223 void VM_RemoveEdictSkeleton(prvm_prog_t *prog, prvm_edict_t *ed)
 224 {
 225         if (ed->priv.server->skeleton.relativetransforms)
 226                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 227         memset(&ed->priv.server->skeleton, 0, sizeof(ed->priv.server->skeleton));
 228 }
 229
 230
 231
 232
 233 //============================================================================
 234 //BUILT-IN FUNCTIONS
 235
 236 void VM_VarString(prvm_prog_t *prog, int first, char *out, int outlength)
 237 {
 238         int i;
 239         const char *s;
 240         char *outend;
 241
 242         outend = out + outlength - 1;
 243         for (i = first;i < prog->argc && out < outend;i++)
 244         {
 245                 s = PRVM_G_STRING((OFS_PARM0+i*3));
 246                 while (out < outend && *s)
 247                         *out++ = *s++;
 248         }
 249         *out++ = 0;
 250 }
 251
 252 /*
 253 =================
 254 VM_checkextension
 255
 256 returns true if the extension is supported by the server
 257
 258 checkextension(extensionname)
 259 =================
 260 */
 261
 262 // kind of helper function
 263 static qboolean checkextension(prvm_prog_t *prog, const char *name)
 264 {
 265         int len;
 266         const char *e, *start;
 267         len = (int)strlen(name);
 268
 269         for (e = prog->extensionstring;*e;e++)
 270         {
 271                 while (*e == ' ')
 272                         e++;
 273                 if (!*e)
 274                         break;
 275                 start = e;
 276                 while (*e && *e != ' ')
 277                         e++;
 278                 if ((e - start) == len && !strncasecmp(start, name, len))
 279                 {
 280 #ifdef USEODE
 281                         // special sheck for ODE
 282                         if (!strncasecmp("DP_PHYSICS_ODE", name, 14))
 283                         {
 284 #ifndef LINK_TO_LIBODE
 285                                 return ode_dll ? true : false;
 286 #else
 287 #ifdef LINK_TO_LIBODE
 288                                 return true;
 289 #else
 290                                 return false;
 291 #endif
 292 #endif
 293                         }
 294 #endif
 295
 296                         // special sheck for d0_blind_id
 297                         if (!strcasecmp("DP_CRYPTO", name))
 298                                 return Crypto_Available();
 299                         if (!strcasecmp("DP_QC_DIGEST_SHA256", name))
 300                                 return Crypto_Available();
 301
 302                         return true;
 303                 }
 304         }
 305         return false;
 306 }
 307
 308 void VM_checkextension(prvm_prog_t *prog)
 309 {
 310         VM_SAFEPARMCOUNT(1,VM_checkextension);
 311
 312         PRVM_G_FLOAT(OFS_RETURN) = checkextension(prog, PRVM_G_STRING(OFS_PARM0));
 313 }
 314
 315 /*
 316 =================
 317 VM_error
 318
 319 This is a TERMINAL error, which will kill off the entire prog.
 320 Dumps self.
 321
 322 error(value)
 323 =================
 324 */
 325 void VM_error(prvm_prog_t *prog)
 326 {
 327         prvm_edict_t    *ed;
 328         char string[VM_STRINGTEMP_LENGTH];
 329
 330         VM_VarString(prog, 0, string, sizeof(string));
 331         Con_Printf("======%s ERROR in %s:\n%s\n", prog->name, PRVM_GetString(prog, prog->xfunction->s_name), string);
 332         ed = PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self));
 333         PRVM_ED_Print(prog, ed, NULL);
 334
 335         prog->error_cmd("%s: Program error in function %s:\n%s\nTip: read above for entity information\n", prog->name, PRVM_GetString(prog, prog->xfunction->s_name), string);
 336 }
 337
 338 /*
 339 =================
 340 VM_objerror
 341
 342 Dumps out self, then an error message.  The program is aborted and self is
 343 removed, but the level can continue.
 344
 345 objerror(value)
 346 =================
 347 */
 348 void VM_objerror(prvm_prog_t *prog)
 349 {
 350         prvm_edict_t    *ed;
 351         char string[VM_STRINGTEMP_LENGTH];
 352
 353         VM_VarString(prog, 0, string, sizeof(string));
 354         Con_Printf("======OBJECT ERROR======\n"); // , prog->name, PRVM_GetString(prog->xfunction->s_name), string); // or include them? FIXME
 355         ed = PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self));
 356         PRVM_ED_Print(prog, ed, NULL);
 357         PRVM_ED_Free (prog, ed);
 358         Con_Printf("%s OBJECT ERROR in %s:\n%s\nTip: read above for entity information\n", prog->name, PRVM_GetString(prog, prog->xfunction->s_name), string);
 359 }
 360
 361 /*
 362 =================
 363 VM_print
 364
 365 print to console
 366
 367 print(...[string])
 368 =================
 369 */
 370 void VM_print(prvm_prog_t *prog)
 371 {
 372         char string[VM_STRINGTEMP_LENGTH];
 373
 374         VM_VarString(prog, 0, string, sizeof(string));
 375         Con_Print(string);
 376 }
 377
 378 /*
 379 =================
 380 VM_bprint
 381
 382 broadcast print to everyone on server
 383
 384 bprint(...[string])
 385 =================
 386 */
 387 void VM_bprint(prvm_prog_t *prog)
 388 {
 389         char string[VM_STRINGTEMP_LENGTH];
 390
 391         if(!sv.active)
 392         {
 393                 VM_Warning(prog, "VM_bprint: game is not server(%s) !\n", prog->name);
 394                 return;
 395         }
 396
 397         VM_VarString(prog, 0, string, sizeof(string));
 398         SV_BroadcastPrint(string);
 399 }
 400
 401 /*
 402 =================
 403 VM_sprint (menu & client but only if server.active == true)
 404
 405 single print to a specific client
 406
 407 sprint(float clientnum,...[string])
 408 =================
 409 */
 410 void VM_sprint(prvm_prog_t *prog)
 411 {
 412         client_t        *client;
 413         int                     clientnum;
 414         char string[VM_STRINGTEMP_LENGTH];
 415
 416         VM_SAFEPARMCOUNTRANGE(1, 8, VM_sprint);
 417
 418         //find client for this entity
 419         clientnum = (int)PRVM_G_FLOAT(OFS_PARM0);
 420         if (!sv.active  || clientnum < 0 || clientnum >= svs.maxclients || !svs.clients[clientnum].active)
 421         {
 422                 VM_Warning(prog, "VM_sprint: %s: invalid client or server is not active !\n", prog->name);
 423                 return;
 424         }
 425
 426         client = svs.clients + clientnum;
 427         if (!client->netconnection)
 428                 return;
 429
 430         VM_VarString(prog, 1, string, sizeof(string));
 431         MSG_WriteChar(&client->netconnection->message,svc_print);
 432         MSG_WriteString(&client->netconnection->message, string);
 433 }
 434
 435 /*
 436 =================
 437 VM_centerprint
 438
 439 single print to the screen
 440
 441 centerprint(value)
 442 =================
 443 */
 444 void VM_centerprint(prvm_prog_t *prog)
 445 {
 446         char string[VM_STRINGTEMP_LENGTH];
 447
 448         VM_SAFEPARMCOUNTRANGE(1, 8, VM_centerprint);
 449         VM_VarString(prog, 0, string, sizeof(string));
 450         SCR_CenterPrint(string);
 451 }
 452
 453 /*
 454 =================
 455 VM_normalize
 456
 457 vector normalize(vector)
 458 =================
 459 */
 460 void VM_normalize(prvm_prog_t *prog)
 461 {
 462         prvm_vec_t      *value1;
 463         vec3_t  newvalue;
 464         double  f;
 465
 466         VM_SAFEPARMCOUNT(1,VM_normalize);
 467
 468         value1 = PRVM_G_VECTOR(OFS_PARM0);
 469
 470         f = VectorLength2(value1);
 471         if (f)
 472         {
 473                 f = 1.0 / sqrt(f);
 474                 VectorScale(value1, f, newvalue);
 475         }
 476         else
 477                 VectorClear(newvalue);
 478
 479         VectorCopy (newvalue, PRVM_G_VECTOR(OFS_RETURN));
 480 }
 481
 482 /*
 483 =================
 484 VM_vlen
 485
 486 scalar vlen(vector)
 487 =================
 488 */
 489 void VM_vlen(prvm_prog_t *prog)
 490 {
 491         VM_SAFEPARMCOUNT(1,VM_vlen);
 492         PRVM_G_FLOAT(OFS_RETURN) = VectorLength(PRVM_G_VECTOR(OFS_PARM0));
 493 }
 494
 495 /*
 496 =================
 497 VM_vectoyaw
 498
 499 float vectoyaw(vector)
 500 =================
 501 */
 502 void VM_vectoyaw(prvm_prog_t *prog)
 503 {
 504         prvm_vec_t      *value1;
 505         prvm_vec_t      yaw;
 506
 507         VM_SAFEPARMCOUNT(1,VM_vectoyaw);
 508
 509         value1 = PRVM_G_VECTOR(OFS_PARM0);
 510
 511         if (value1[1] == 0 && value1[0] == 0)
 512                 yaw = 0;
 513         else
 514         {
 515                 yaw = (int) (atan2(value1[1], value1[0]) * 180 / M_PI);
 516                 if (yaw < 0)
 517                         yaw += 360;
 518         }
 519
 520         PRVM_G_FLOAT(OFS_RETURN) = yaw;
 521 }
 522
 523
 524 /*
 525 =================
 526 VM_vectoangles
 527
 528 vector vectoangles(vector[, vector])
 529 =================
 530 */
 531 void VM_vectoangles(prvm_prog_t *prog)
 532 {
 533         vec3_t result, forward, up;
 534         VM_SAFEPARMCOUNTRANGE(1, 2,VM_vectoangles);
 535
 536         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), forward);
 537         if (prog->argc >= 2)
 538         {
 539                 VectorCopy(PRVM_G_VECTOR(OFS_PARM1), up);
 540                 AnglesFromVectors(result, forward, up, true);
 541         }
 542         else
 543                 AnglesFromVectors(result, forward, NULL, true);
 544         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
 545 }
 546
 547 /*
 548 =================
 549 VM_random
 550
 551 Returns a number from 0<= num < 1
 552
 553 float random()
 554 =================
 555 */
 556 void VM_random(prvm_prog_t *prog)
 557 {
 558         VM_SAFEPARMCOUNT(0,VM_random);
 559
 560         PRVM_G_FLOAT(OFS_RETURN) = lhrandom(0, 1);
 561 }
 562
 563 /*
 564 =========
 565 VM_localsound
 566
 567 localsound(string sample)
 568 =========
 569 */
 570 void VM_localsound(prvm_prog_t *prog)
 571 {
 572         const char *s;
 573
 574         VM_SAFEPARMCOUNT(1,VM_localsound);
 575
 576         s = PRVM_G_STRING(OFS_PARM0);
 577
 578         if(!S_LocalSound (s))
 579         {
 580                 PRVM_G_FLOAT(OFS_RETURN) = -4;
 581                 VM_Warning(prog, "VM_localsound: Failed to play %s for %s !\n", s, prog->name);
 582                 return;
 583         }
 584
 585         PRVM_G_FLOAT(OFS_RETURN) = 1;
 586 }
 587
 588 /*
 589 =================
 590 VM_break
 591
 592 break()
 593 =================
 594 */
 595 void VM_break(prvm_prog_t *prog)
 596 {
 597         prog->error_cmd("%s: break statement", prog->name);
 598 }
 599
 600 //============================================================================
 601
 602 /*
 603 =================
 604 VM_localcmd
 605
 606 Sends text over to the client's execution buffer
 607
 608 [localcmd (string, ...) or]
 609 cmd (string, ...)
 610 =================
 611 */
 612 void VM_localcmd(prvm_prog_t *prog)
 613 {
 614         char string[VM_STRINGTEMP_LENGTH];
 615         VM_SAFEPARMCOUNTRANGE(1, 8, VM_localcmd);
 616         VM_VarString(prog, 0, string, sizeof(string));
 617         Cbuf_AddText(string);
 618 }
 619
 620 static qboolean PRVM_Cvar_ReadOk(const char *string)
 621 {
 622         cvar_t *cvar;
 623         cvar = Cvar_FindVar(string);
 624         return ((cvar) && ((cvar->flags & CVAR_PRIVATE) == 0));
 625 }
 626
 627 /*
 628 =================
 629 VM_cvar
 630
 631 float cvar (string)
 632 =================
 633 */
 634 void VM_cvar(prvm_prog_t *prog)
 635 {
 636         char string[VM_STRINGTEMP_LENGTH];
 637         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 638         VM_VarString(prog, 0, string, sizeof(string));
 639         VM_CheckEmptyString(prog, string);
 640         PRVM_G_FLOAT(OFS_RETURN) = PRVM_Cvar_ReadOk(string) ? Cvar_VariableValue(string) : 0;
 641 }
 642
 643 /*
 644 =================
 645 VM_cvar
 646
 647 float cvar_type (string)
 648 float CVAR_TYPEFLAG_EXISTS = 1;
 649 float CVAR_TYPEFLAG_SAVED = 2;
 650 float CVAR_TYPEFLAG_PRIVATE = 4;
 651 float CVAR_TYPEFLAG_ENGINE = 8;
 652 float CVAR_TYPEFLAG_HASDESCRIPTION = 16;
 653 float CVAR_TYPEFLAG_READONLY = 32;
 654 =================
 655 */
 656 void VM_cvar_type(prvm_prog_t *prog)
 657 {
 658         char string[VM_STRINGTEMP_LENGTH];
 659         cvar_t *cvar;
 660         int ret;
 661
 662         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 663         VM_VarString(prog, 0, string, sizeof(string));
 664         VM_CheckEmptyString(prog, string);
 665         cvar = Cvar_FindVar(string);
 666
 667
 668         if(!cvar)
 669         {
 670                 PRVM_G_FLOAT(OFS_RETURN) = 0;
 671                 return; // CVAR_TYPE_NONE
 672         }
 673
 674         ret = 1; // CVAR_EXISTS
 675         if(cvar->flags & CVAR_SAVE)
 676                 ret |= 2; // CVAR_TYPE_SAVED
 677         if(cvar->flags & CVAR_PRIVATE)
 678                 ret |= 4; // CVAR_TYPE_PRIVATE
 679         if(!(cvar->flags & CVAR_ALLOCATED))
 680                 ret |= 8; // CVAR_TYPE_ENGINE
 681         if(cvar->description != cvar_dummy_description)
 682                 ret |= 16; // CVAR_TYPE_HASDESCRIPTION
 683         if(cvar->flags & CVAR_READONLY)
 684                 ret |= 32; // CVAR_TYPE_READONLY
 685
 686         PRVM_G_FLOAT(OFS_RETURN) = ret;
 687 }
 688
 689 /*
 690 =================
 691 VM_cvar_string
 692
 693 const string    VM_cvar_string (string, ...)
 694 =================
 695 */
 696 void VM_cvar_string(prvm_prog_t *prog)
 697 {
 698         char string[VM_STRINGTEMP_LENGTH];
 699         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_string);
 700         VM_VarString(prog, 0, string, sizeof(string));
 701         VM_CheckEmptyString(prog, string);
 702         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, PRVM_Cvar_ReadOk(string) ? Cvar_VariableString(string) : "");
 703 }
 704
 705
 706 /*
 707 ========================
 708 VM_cvar_defstring
 709
 710 const string    VM_cvar_defstring (string, ...)
 711 ========================
 712 */
 713 void VM_cvar_defstring(prvm_prog_t *prog)
 714 {
 715         char string[VM_STRINGTEMP_LENGTH];
 716         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_defstring);
 717         VM_VarString(prog, 0, string, sizeof(string));
 718         VM_CheckEmptyString(prog, string);
 719         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Cvar_VariableDefString(string));
 720 }
 721
 722 /*
 723 ========================
 724 VM_cvar_defstring
 725
 726 const string    VM_cvar_description (string, ...)
 727 ========================
 728 */
 729 void VM_cvar_description(prvm_prog_t *prog)
 730 {
 731         char string[VM_STRINGTEMP_LENGTH];
 732         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_description);
 733         VM_VarString(prog, 0, string, sizeof(string));
 734         VM_CheckEmptyString(prog, string);
 735         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Cvar_VariableDescription(string));
 736 }
 737 /*
 738 =================
 739 VM_cvar_set
 740
 741 void cvar_set (string,string, ...)
 742 =================
 743 */
 744 void VM_cvar_set(prvm_prog_t *prog)
 745 {
 746         const char *name;
 747         char string[VM_STRINGTEMP_LENGTH];
 748         VM_SAFEPARMCOUNTRANGE(2,8,VM_cvar_set);
 749         VM_VarString(prog, 1, string, sizeof(string));
 750         name = PRVM_G_STRING(OFS_PARM0);
 751         VM_CheckEmptyString(prog, name);
 752         Cvar_Set(name, string);
 753 }
 754
 755 /*
 756 =========
 757 VM_dprint
 758
 759 dprint(...[string])
 760 =========
 761 */
 762 void VM_dprint(prvm_prog_t *prog)
 763 {
 764         char string[VM_STRINGTEMP_LENGTH];
 765         VM_SAFEPARMCOUNTRANGE(1, 8, VM_dprint);
 766         VM_VarString(prog, 0, string, sizeof(string));
 767 #if 1
 768         Con_DPrintf("%s", string);
 769 #else
 770         Con_DPrintf("%s: %s", prog->name, string);
 771 #endif
 772 }
 773
 774 /*
 775 =========
 776 VM_ftos
 777
 778 string  ftos(float)
 779 =========
 780 */
 781
 782 void VM_ftos(prvm_prog_t *prog)
 783 {
 784         prvm_vec_t v;
 785         char s[128];
 786
 787         VM_SAFEPARMCOUNT(1, VM_ftos);
 788
 789         v = PRVM_G_FLOAT(OFS_PARM0);
 790
 791         if ((prvm_vec_t)((prvm_int_t)v) == v)
 792                 dpsnprintf(s, sizeof(s), "%.0f", v);
 793         else
 794                 dpsnprintf(s, sizeof(s), "%f", v);
 795         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
 796 }
 797
 798 /*
 799 =========
 800 VM_fabs
 801
 802 float   fabs(float)
 803 =========
 804 */
 805
 806 void VM_fabs(prvm_prog_t *prog)
 807 {
 808         prvm_vec_t v;
 809
 810         VM_SAFEPARMCOUNT(1,VM_fabs);
 811
 812         v = PRVM_G_FLOAT(OFS_PARM0);
 813         PRVM_G_FLOAT(OFS_RETURN) = fabs(v);
 814 }
 815
 816 /*
 817 =========
 818 VM_vtos
 819
 820 string  vtos(vector)
 821 =========
 822 */
 823
 824 void VM_vtos(prvm_prog_t *prog)
 825 {
 826         char s[512];
 827
 828         VM_SAFEPARMCOUNT(1,VM_vtos);
 829
 830         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]);
 831         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
 832 }
 833
 834 /*
 835 =========
 836 VM_etos
 837
 838 string  etos(entity)
 839 =========
 840 */
 841
 842 void VM_etos(prvm_prog_t *prog)
 843 {
 844         char s[128];
 845
 846         VM_SAFEPARMCOUNT(1, VM_etos);
 847
 848         dpsnprintf (s, sizeof(s), "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
 849         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
 850 }
 851
 852 /*
 853 =========
 854 VM_stof
 855
 856 float stof(...[string])
 857 =========
 858 */
 859 void VM_stof(prvm_prog_t *prog)
 860 {
 861         char string[VM_STRINGTEMP_LENGTH];
 862         VM_SAFEPARMCOUNTRANGE(1, 8, VM_stof);
 863         VM_VarString(prog, 0, string, sizeof(string));
 864         PRVM_G_FLOAT(OFS_RETURN) = atof(string);
 865 }
 866
 867 /*
 868 ========================
 869 VM_itof
 870
 871 float itof(int ent)
 872 ========================
 873 */
 874 void VM_itof(prvm_prog_t *prog)
 875 {
 876         VM_SAFEPARMCOUNT(1, VM_itof);
 877         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
 878 }
 879
 880 /*
 881 ========================
 882 VM_ftoe
 883
 884 entity ftoe(float num)
 885 ========================
 886 */
 887 void VM_ftoe(prvm_prog_t *prog)
 888 {
 889         prvm_int_t ent;
 890         VM_SAFEPARMCOUNT(1, VM_ftoe);
 891
 892         ent = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM0);
 893         if (ent < 0 || ent >= prog->max_edicts || PRVM_PROG_TO_EDICT(ent)->priv.required->free)
 894                 ent = 0; // return world instead of a free or invalid entity
 895
 896         PRVM_G_INT(OFS_RETURN) = ent;
 897 }
 898
 899 /*
 900 ========================
 901 VM_etof
 902
 903 float etof(entity ent)
 904 ========================
 905 */
 906 void VM_etof(prvm_prog_t *prog)
 907 {
 908         VM_SAFEPARMCOUNT(1, VM_etof);
 909         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICTNUM(OFS_PARM0);
 910 }
 911
 912 /*
 913 =========
 914 VM_strftime
 915
 916 string strftime(float uselocaltime, string[, string ...])
 917 =========
 918 */
 919 void VM_strftime(prvm_prog_t *prog)
 920 {
 921         time_t t;
 922 #if _MSC_VER >= 1400
 923         struct tm tm;
 924         int tmresult;
 925 #else
 926         struct tm *tm;
 927 #endif
 928         char fmt[VM_STRINGTEMP_LENGTH];
 929         char result[VM_STRINGTEMP_LENGTH];
 930         VM_SAFEPARMCOUNTRANGE(2, 8, VM_strftime);
 931         VM_VarString(prog, 1, fmt, sizeof(fmt));
 932         t = time(NULL);
 933 #if _MSC_VER >= 1400
 934         if (PRVM_G_FLOAT(OFS_PARM0))
 935                 tmresult = localtime_s(&tm, &t);
 936         else
 937                 tmresult = gmtime_s(&tm, &t);
 938         if (!tmresult)
 939 #else
 940         if (PRVM_G_FLOAT(OFS_PARM0))
 941                 tm = localtime(&t);
 942         else
 943                 tm = gmtime(&t);
 944         if (!tm)
 945 #endif
 946         {
 947                 PRVM_G_INT(OFS_RETURN) = 0;
 948                 return;
 949         }
 950 #if _MSC_VER >= 1400
 951         strftime(result, sizeof(result), fmt, &tm);
 952 #else
 953         strftime(result, sizeof(result), fmt, tm);
 954 #endif
 955         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, result);
 956 }
 957
 958 /*
 959 =========
 960 VM_spawn
 961
 962 entity spawn()
 963 =========
 964 */
 965
 966 void VM_spawn(prvm_prog_t *prog)
 967 {
 968         prvm_edict_t    *ed;
 969         VM_SAFEPARMCOUNT(0, VM_spawn);
 970         prog->xfunction->builtinsprofile += 20;
 971         ed = PRVM_ED_Alloc(prog);
 972         VM_RETURN_EDICT(ed);
 973 }
 974
 975 /*
 976 =========
 977 VM_remove
 978
 979 remove(entity e)
 980 =========
 981 */
 982
 983 void VM_remove(prvm_prog_t *prog)
 984 {
 985         prvm_edict_t    *ed;
 986         prog->xfunction->builtinsprofile += 20;
 987
 988         VM_SAFEPARMCOUNT(1, VM_remove);
 989
 990         ed = PRVM_G_EDICT(OFS_PARM0);
 991         if( PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
 992         {
 993                 if (developer.integer > 0)
 994                         VM_Warning(prog, "VM_remove: tried to remove the null entity or a reserved entity!\n" );
 995         }
 996         else if( ed->priv.required->free )
 997         {
 998                 if (developer.integer > 0)
 999                         VM_Warning(prog, "VM_remove: tried to remove an already freed entity!\n" );
1000         }
1001         else
1002                 PRVM_ED_Free (prog, ed);
1003 }
1004
1005 /*
1006 =========
1007 VM_find
1008
1009 entity  find(entity start, .string field, string match)
1010 =========
1011 */
1012
1013 void VM_find(prvm_prog_t *prog)
1014 {
1015         int             e;
1016         int             f;
1017         const char      *s, *t;
1018         prvm_edict_t    *ed;
1019
1020         VM_SAFEPARMCOUNT(3,VM_find);
1021
1022         e = PRVM_G_EDICTNUM(OFS_PARM0);
1023         f = PRVM_G_INT(OFS_PARM1);
1024         s = PRVM_G_STRING(OFS_PARM2);
1025
1026         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1027         // expects it to find all the monsters, so we must be careful to support
1028         // searching for ""
1029
1030         for (e++ ; e < prog->num_edicts ; e++)
1031         {
1032                 prog->xfunction->builtinsprofile++;
1033                 ed = PRVM_EDICT_NUM(e);
1034                 if (ed->priv.required->free)
1035                         continue;
1036                 t = PRVM_E_STRING(ed,f);
1037                 if (!t)
1038                         t = "";
1039                 if (!strcmp(t,s))
1040                 {
1041                         VM_RETURN_EDICT(ed);
1042                         return;
1043                 }
1044         }
1045
1046         VM_RETURN_EDICT(prog->edicts);
1047 }
1048
1049 /*
1050 =========
1051 VM_findfloat
1052
1053   entity        findfloat(entity start, .float field, float match)
1054   entity        findentity(entity start, .entity field, entity match)
1055 =========
1056 */
1057 // LordHavoc: added this for searching float, int, and entity reference fields
1058 void VM_findfloat(prvm_prog_t *prog)
1059 {
1060         int             e;
1061         int             f;
1062         float   s;
1063         prvm_edict_t    *ed;
1064
1065         VM_SAFEPARMCOUNT(3,VM_findfloat);
1066
1067         e = PRVM_G_EDICTNUM(OFS_PARM0);
1068         f = PRVM_G_INT(OFS_PARM1);
1069         s = PRVM_G_FLOAT(OFS_PARM2);
1070
1071         for (e++ ; e < prog->num_edicts ; e++)
1072         {
1073                 prog->xfunction->builtinsprofile++;
1074                 ed = PRVM_EDICT_NUM(e);
1075                 if (ed->priv.required->free)
1076                         continue;
1077                 if (PRVM_E_FLOAT(ed,f) == s)
1078                 {
1079                         VM_RETURN_EDICT(ed);
1080                         return;
1081                 }
1082         }
1083
1084         VM_RETURN_EDICT(prog->edicts);
1085 }
1086
1087 /*
1088 =========
1089 VM_findchain
1090
1091 entity  findchain(.string field, string match)
1092 =========
1093 */
1094 // chained search for strings in entity fields
1095 // entity(.string field, string match) findchain = #402;
1096 void VM_findchain(prvm_prog_t *prog)
1097 {
1098         int             i;
1099         int             f;
1100         const char      *s, *t;
1101         prvm_edict_t    *ent, *chain;
1102         int chainfield;
1103
1104         VM_SAFEPARMCOUNTRANGE(2,3,VM_findchain);
1105
1106         if(prog->argc == 3)
1107                 chainfield = PRVM_G_INT(OFS_PARM2);
1108         else
1109                 chainfield = prog->fieldoffsets.chain;
1110         if (chainfield < 0)
1111                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
1112
1113         chain = prog->edicts;
1114
1115         f = PRVM_G_INT(OFS_PARM0);
1116         s = PRVM_G_STRING(OFS_PARM1);
1117
1118         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1119         // expects it to find all the monsters, so we must be careful to support
1120         // searching for ""
1121
1122         ent = PRVM_NEXT_EDICT(prog->edicts);
1123         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1124         {
1125                 prog->xfunction->builtinsprofile++;
1126                 if (ent->priv.required->free)
1127                         continue;
1128                 t = PRVM_E_STRING(ent,f);
1129                 if (!t)
1130                         t = "";
1131                 if (strcmp(t,s))
1132                         continue;
1133
1134                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_NUM_FOR_EDICT(chain);
1135                 chain = ent;
1136         }
1137
1138         VM_RETURN_EDICT(chain);
1139 }
1140
1141 /*
1142 =========
1143 VM_findchainfloat
1144
1145 entity  findchainfloat(.string field, float match)
1146 entity  findchainentity(.string field, entity match)
1147 =========
1148 */
1149 // LordHavoc: chained search for float, int, and entity reference fields
1150 // entity(.string field, float match) findchainfloat = #403;
1151 void VM_findchainfloat(prvm_prog_t *prog)
1152 {
1153         int             i;
1154         int             f;
1155         float   s;
1156         prvm_edict_t    *ent, *chain;
1157         int chainfield;
1158
1159         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainfloat);
1160
1161         if(prog->argc == 3)
1162                 chainfield = PRVM_G_INT(OFS_PARM2);
1163         else
1164                 chainfield = prog->fieldoffsets.chain;
1165         if (chainfield < 0)
1166                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
1167
1168         chain = (prvm_edict_t *)prog->edicts;
1169
1170         f = PRVM_G_INT(OFS_PARM0);
1171         s = PRVM_G_FLOAT(OFS_PARM1);
1172
1173         ent = PRVM_NEXT_EDICT(prog->edicts);
1174         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1175         {
1176                 prog->xfunction->builtinsprofile++;
1177                 if (ent->priv.required->free)
1178                         continue;
1179                 if (PRVM_E_FLOAT(ent,f) != s)
1180                         continue;
1181
1182                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_EDICT_TO_PROG(chain);
1183                 chain = ent;
1184         }
1185
1186         VM_RETURN_EDICT(chain);
1187 }
1188
1189 /*
1190 ========================
1191 VM_findflags
1192
1193 entity  findflags(entity start, .float field, float match)
1194 ========================
1195 */
1196 // LordHavoc: search for flags in float fields
1197 void VM_findflags(prvm_prog_t *prog)
1198 {
1199         prvm_int_t      e;
1200         prvm_int_t      f;
1201         prvm_int_t      s;
1202         prvm_edict_t    *ed;
1203
1204         VM_SAFEPARMCOUNT(3, VM_findflags);
1205
1206
1207         e = PRVM_G_EDICTNUM(OFS_PARM0);
1208         f = PRVM_G_INT(OFS_PARM1);
1209         s = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM2);
1210
1211         for (e++ ; e < prog->num_edicts ; e++)
1212         {
1213                 prog->xfunction->builtinsprofile++;
1214                 ed = PRVM_EDICT_NUM(e);
1215                 if (ed->priv.required->free)
1216                         continue;
1217                 if (!PRVM_E_FLOAT(ed,f))
1218                         continue;
1219                 if ((prvm_int_t)PRVM_E_FLOAT(ed,f) & s)
1220                 {
1221                         VM_RETURN_EDICT(ed);
1222                         return;
1223                 }
1224         }
1225
1226         VM_RETURN_EDICT(prog->edicts);
1227 }
1228
1229 /*
1230 ========================
1231 VM_findchainflags
1232
1233 entity  findchainflags(.float field, float match)
1234 ========================
1235 */
1236 // LordHavoc: chained search for flags in float fields
1237 void VM_findchainflags(prvm_prog_t *prog)
1238 {
1239         prvm_int_t              i;
1240         prvm_int_t              f;
1241         prvm_int_t              s;
1242         prvm_edict_t    *ent, *chain;
1243         int chainfield;
1244
1245         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainflags);
1246
1247         if(prog->argc == 3)
1248                 chainfield = PRVM_G_INT(OFS_PARM2);
1249         else
1250                 chainfield = prog->fieldoffsets.chain;
1251         if (chainfield < 0)
1252                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
1253
1254         chain = (prvm_edict_t *)prog->edicts;
1255
1256         f = PRVM_G_INT(OFS_PARM0);
1257         s = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM1);
1258
1259         ent = PRVM_NEXT_EDICT(prog->edicts);
1260         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1261         {
1262                 prog->xfunction->builtinsprofile++;
1263                 if (ent->priv.required->free)
1264                         continue;
1265                 if (!PRVM_E_FLOAT(ent,f))
1266                         continue;
1267                 if (!((prvm_int_t)PRVM_E_FLOAT(ent,f) & s))
1268                         continue;
1269
1270                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_EDICT_TO_PROG(chain);
1271                 chain = ent;
1272         }
1273
1274         VM_RETURN_EDICT(chain);
1275 }
1276
1277 /*
1278 =========
1279 VM_precache_sound
1280
1281 string  precache_sound (string sample)
1282 =========
1283 */
1284 void VM_precache_sound(prvm_prog_t *prog)
1285 {
1286         const char *s;
1287
1288         VM_SAFEPARMCOUNT(1, VM_precache_sound);
1289
1290         s = PRVM_G_STRING(OFS_PARM0);
1291         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1292         //VM_CheckEmptyString(prog, s);
1293
1294         if(snd_initialized.integer && !S_PrecacheSound(s, true, true))
1295         {
1296                 VM_Warning(prog, "VM_precache_sound: Failed to load %s for %s\n", s, prog->name);
1297                 return;
1298         }
1299 }
1300
1301 /*
1302 =================
1303 VM_precache_file
1304
1305 returns the same string as output
1306
1307 does nothing, only used by qcc to build .pak archives
1308 =================
1309 */
1310 void VM_precache_file(prvm_prog_t *prog)
1311 {
1312         VM_SAFEPARMCOUNT(1,VM_precache_file);
1313         // precache_file is only used to copy files with qcc, it does nothing
1314         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1315 }
1316
1317 /*
1318 =========
1319 VM_coredump
1320
1321 coredump()
1322 =========
1323 */
1324 void VM_coredump(prvm_prog_t *prog)
1325 {
1326         VM_SAFEPARMCOUNT(0,VM_coredump);
1327
1328         Cbuf_AddText("prvm_edicts ");
1329         Cbuf_AddText(prog->name);
1330         Cbuf_AddText("\n");
1331 }
1332
1333 /*
1334 =========
1335 VM_stackdump
1336
1337 stackdump()
1338 =========
1339 */
1340 void VM_stackdump(prvm_prog_t *prog)
1341 {
1342         VM_SAFEPARMCOUNT(0, VM_stackdump);
1343
1344         PRVM_StackTrace(prog);
1345 }
1346
1347 /*
1348 =========
1349 VM_crash
1350
1351 crash()
1352 =========
1353 */
1354
1355 void VM_crash(prvm_prog_t *prog)
1356 {
1357         VM_SAFEPARMCOUNT(0, VM_crash);
1358
1359         prog->error_cmd("Crash called by %s",prog->name);
1360 }
1361
1362 /*
1363 =========
1364 VM_traceon
1365
1366 traceon()
1367 =========
1368 */
1369 void VM_traceon(prvm_prog_t *prog)
1370 {
1371         VM_SAFEPARMCOUNT(0,VM_traceon);
1372
1373         prog->trace = true;
1374 }
1375
1376 /*
1377 =========
1378 VM_traceoff
1379
1380 traceoff()
1381 =========
1382 */
1383 void VM_traceoff(prvm_prog_t *prog)
1384 {
1385         VM_SAFEPARMCOUNT(0,VM_traceoff);
1386
1387         prog->trace = false;
1388 }
1389
1390 /*
1391 =========
1392 VM_eprint
1393
1394 eprint(entity e)
1395 =========
1396 */
1397 void VM_eprint(prvm_prog_t *prog)
1398 {
1399         VM_SAFEPARMCOUNT(1,VM_eprint);
1400
1401         PRVM_ED_PrintNum (prog, PRVM_G_EDICTNUM(OFS_PARM0), NULL);
1402 }
1403
1404 /*
1405 =========
1406 VM_rint
1407
1408 float   rint(float)
1409 =========
1410 */
1411 void VM_rint(prvm_prog_t *prog)
1412 {
1413         prvm_vec_t f;
1414         VM_SAFEPARMCOUNT(1,VM_rint);
1415
1416         f = PRVM_G_FLOAT(OFS_PARM0);
1417         if (f > 0)
1418                 PRVM_G_FLOAT(OFS_RETURN) = floor(f + 0.5);
1419         else
1420                 PRVM_G_FLOAT(OFS_RETURN) = ceil(f - 0.5);
1421 }
1422
1423 /*
1424 =========
1425 VM_floor
1426
1427 float   floor(float)
1428 =========
1429 */
1430 void VM_floor(prvm_prog_t *prog)
1431 {
1432         VM_SAFEPARMCOUNT(1,VM_floor);
1433
1434         PRVM_G_FLOAT(OFS_RETURN) = floor(PRVM_G_FLOAT(OFS_PARM0));
1435 }
1436
1437 /*
1438 =========
1439 VM_ceil
1440
1441 float   ceil(float)
1442 =========
1443 */
1444 void VM_ceil(prvm_prog_t *prog)
1445 {
1446         VM_SAFEPARMCOUNT(1,VM_ceil);
1447
1448         PRVM_G_FLOAT(OFS_RETURN) = ceil(PRVM_G_FLOAT(OFS_PARM0));
1449 }
1450
1451
1452 /*
1453 =============
1454 VM_nextent
1455
1456 entity  nextent(entity)
1457 =============
1458 */
1459 void VM_nextent(prvm_prog_t *prog)
1460 {
1461         int             i;
1462         prvm_edict_t    *ent;
1463
1464         VM_SAFEPARMCOUNT(1, VM_nextent);
1465
1466         i = PRVM_G_EDICTNUM(OFS_PARM0);
1467         while (1)
1468         {
1469                 prog->xfunction->builtinsprofile++;
1470                 i++;
1471                 if (i == prog->num_edicts)
1472                 {
1473                         VM_RETURN_EDICT(prog->edicts);
1474                         return;
1475                 }
1476                 ent = PRVM_EDICT_NUM(i);
1477                 if (!ent->priv.required->free)
1478                 {
1479                         VM_RETURN_EDICT(ent);
1480                         return;
1481                 }
1482         }
1483 }
1484
1485 //=============================================================================
1486
1487 /*
1488 ==============
1489 VM_changelevel
1490 server and menu
1491
1492 changelevel(string map)
1493 ==============
1494 */
1495 void VM_changelevel(prvm_prog_t *prog)
1496 {
1497         char vabuf[1024];
1498         VM_SAFEPARMCOUNT(1, VM_changelevel);
1499
1500         if(!sv.active)
1501         {
1502                 VM_Warning(prog, "VM_changelevel: game is not server (%s)\n", prog->name);
1503                 return;
1504         }
1505
1506 // make sure we don't issue two changelevels
1507         if (svs.changelevel_issued)
1508                 return;
1509         svs.changelevel_issued = true;
1510
1511         Cbuf_AddText(va(vabuf, sizeof(vabuf), "changelevel %s\n",PRVM_G_STRING(OFS_PARM0)));
1512 }
1513
1514 /*
1515 =========
1516 VM_sin
1517
1518 float   sin(float)
1519 =========
1520 */
1521 void VM_sin(prvm_prog_t *prog)
1522 {
1523         VM_SAFEPARMCOUNT(1,VM_sin);
1524         PRVM_G_FLOAT(OFS_RETURN) = sin(PRVM_G_FLOAT(OFS_PARM0));
1525 }
1526
1527 /*
1528 =========
1529 VM_cos
1530 float   cos(float)
1531 =========
1532 */
1533 void VM_cos(prvm_prog_t *prog)
1534 {
1535         VM_SAFEPARMCOUNT(1,VM_cos);
1536         PRVM_G_FLOAT(OFS_RETURN) = cos(PRVM_G_FLOAT(OFS_PARM0));
1537 }
1538
1539 /*
1540 =========
1541 VM_sqrt
1542
1543 float   sqrt(float)
1544 =========
1545 */
1546 void VM_sqrt(prvm_prog_t *prog)
1547 {
1548         VM_SAFEPARMCOUNT(1,VM_sqrt);
1549         PRVM_G_FLOAT(OFS_RETURN) = sqrt(PRVM_G_FLOAT(OFS_PARM0));
1550 }
1551
1552 /*
1553 =========
1554 VM_asin
1555
1556 float   asin(float)
1557 =========
1558 */
1559 void VM_asin(prvm_prog_t *prog)
1560 {
1561         VM_SAFEPARMCOUNT(1,VM_asin);
1562         PRVM_G_FLOAT(OFS_RETURN) = asin(PRVM_G_FLOAT(OFS_PARM0));
1563 }
1564
1565 /*
1566 =========
1567 VM_acos
1568 float   acos(float)
1569 =========
1570 */
1571 void VM_acos(prvm_prog_t *prog)
1572 {
1573         VM_SAFEPARMCOUNT(1,VM_acos);
1574         PRVM_G_FLOAT(OFS_RETURN) = acos(PRVM_G_FLOAT(OFS_PARM0));
1575 }
1576
1577 /*
1578 =========
1579 VM_atan
1580 float   atan(float)
1581 =========
1582 */
1583 void VM_atan(prvm_prog_t *prog)
1584 {
1585         VM_SAFEPARMCOUNT(1,VM_atan);
1586         PRVM_G_FLOAT(OFS_RETURN) = atan(PRVM_G_FLOAT(OFS_PARM0));
1587 }
1588
1589 /*
1590 =========
1591 VM_atan2
1592 float   atan2(float,float)
1593 =========
1594 */
1595 void VM_atan2(prvm_prog_t *prog)
1596 {
1597         VM_SAFEPARMCOUNT(2,VM_atan2);
1598         PRVM_G_FLOAT(OFS_RETURN) = atan2(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1599 }
1600
1601 /*
1602 =========
1603 VM_tan
1604 float   tan(float)
1605 =========
1606 */
1607 void VM_tan(prvm_prog_t *prog)
1608 {
1609         VM_SAFEPARMCOUNT(1,VM_tan);
1610         PRVM_G_FLOAT(OFS_RETURN) = tan(PRVM_G_FLOAT(OFS_PARM0));
1611 }
1612
1613 /*
1614 =================
1615 VM_randomvec
1616
1617 Returns a vector of length < 1 and > 0
1618
1619 vector randomvec()
1620 =================
1621 */
1622 void VM_randomvec(prvm_prog_t *prog)
1623 {
1624         vec3_t temp;
1625         VM_SAFEPARMCOUNT(0, VM_randomvec);
1626         VectorRandom(temp);
1627         VectorCopy(temp, PRVM_G_VECTOR(OFS_RETURN));
1628 }
1629
1630 //=============================================================================
1631
1632 /*
1633 =========
1634 VM_registercvar
1635
1636 float   registercvar (string name, string value[, float flags])
1637 =========
1638 */
1639 void VM_registercvar(prvm_prog_t *prog)
1640 {
1641         const char *name, *value;
1642         int     flags;
1643
1644         VM_SAFEPARMCOUNTRANGE(2, 3, VM_registercvar);
1645
1646         name = PRVM_G_STRING(OFS_PARM0);
1647         value = PRVM_G_STRING(OFS_PARM1);
1648         flags = prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : 0;
1649         PRVM_G_FLOAT(OFS_RETURN) = 0;
1650
1651         if(flags > CVAR_MAXFLAGSVAL)
1652                 return;
1653
1654 // first check to see if it has already been defined
1655         if (Cvar_FindVar (name))
1656                 return;
1657
1658 // check for overlap with a command
1659         if (Cmd_Exists (name))
1660         {
1661                 VM_Warning(prog, "VM_registercvar: %s is a command\n", name);
1662                 return;
1663         }
1664
1665         Cvar_Get(name, value, flags, NULL);
1666
1667         PRVM_G_FLOAT(OFS_RETURN) = 1; // success
1668 }
1669
1670
1671 /*
1672 =================
1673 VM_min
1674
1675 returns the minimum of two supplied floats
1676
1677 float min(float a, float b, ...[float])
1678 =================
1679 */
1680 void VM_min(prvm_prog_t *prog)
1681 {
1682         VM_SAFEPARMCOUNTRANGE(2, 8, VM_min);
1683         // LordHavoc: 3+ argument enhancement suggested by FrikaC
1684         if (prog->argc >= 3)
1685         {
1686                 int i;
1687                 float f = PRVM_G_FLOAT(OFS_PARM0);
1688                 for (i = 1;i < prog->argc;i++)
1689                         if (f > PRVM_G_FLOAT((OFS_PARM0+i*3)))
1690                                 f = PRVM_G_FLOAT((OFS_PARM0+i*3));
1691                 PRVM_G_FLOAT(OFS_RETURN) = f;
1692         }
1693         else
1694                 PRVM_G_FLOAT(OFS_RETURN) = min(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1695 }
1696
1697 /*
1698 =================
1699 VM_max
1700
1701 returns the maximum of two supplied floats
1702
1703 float   max(float a, float b, ...[float])
1704 =================
1705 */
1706 void VM_max(prvm_prog_t *prog)
1707 {
1708         VM_SAFEPARMCOUNTRANGE(2, 8, VM_max);
1709         // LordHavoc: 3+ argument enhancement suggested by FrikaC
1710         if (prog->argc >= 3)
1711         {
1712                 int i;
1713                 float f = PRVM_G_FLOAT(OFS_PARM0);
1714                 for (i = 1;i < prog->argc;i++)
1715                         if (f < PRVM_G_FLOAT((OFS_PARM0+i*3)))
1716                                 f = PRVM_G_FLOAT((OFS_PARM0+i*3));
1717                 PRVM_G_FLOAT(OFS_RETURN) = f;
1718         }
1719         else
1720                 PRVM_G_FLOAT(OFS_RETURN) = max(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1721 }
1722
1723 /*
1724 =================
1725 VM_bound
1726
1727 returns number bounded by supplied range
1728
1729 float   bound(float min, float value, float max)
1730 =================
1731 */
1732 void VM_bound(prvm_prog_t *prog)
1733 {
1734         VM_SAFEPARMCOUNT(3,VM_bound);
1735         PRVM_G_FLOAT(OFS_RETURN) = bound(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1), PRVM_G_FLOAT(OFS_PARM2));
1736 }
1737
1738 /*
1739 =================
1740 VM_pow
1741
1742 returns a raised to power b
1743
1744 float   pow(float a, float b)
1745 =================
1746 */
1747 void VM_pow(prvm_prog_t *prog)
1748 {
1749         VM_SAFEPARMCOUNT(2,VM_pow);
1750         PRVM_G_FLOAT(OFS_RETURN) = pow(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1751 }
1752
1753 void VM_log(prvm_prog_t *prog)
1754 {
1755         VM_SAFEPARMCOUNT(1,VM_log);
1756         PRVM_G_FLOAT(OFS_RETURN) = log(PRVM_G_FLOAT(OFS_PARM0));
1757 }
1758
1759 void VM_Files_Init(prvm_prog_t *prog)
1760 {
1761         int i;
1762         for (i = 0;i < PRVM_MAX_OPENFILES;i++)
1763                 prog->openfiles[i] = NULL;
1764 }
1765
1766 void VM_Files_CloseAll(prvm_prog_t *prog)
1767 {
1768         int i;
1769         for (i = 0;i < PRVM_MAX_OPENFILES;i++)
1770         {
1771                 if (prog->openfiles[i])
1772                         FS_Close(prog->openfiles[i]);
1773                 prog->openfiles[i] = NULL;
1774         }
1775 }
1776
1777 static qfile_t *VM_GetFileHandle(prvm_prog_t *prog, int index)
1778 {
1779         if (index < 0 || index >= PRVM_MAX_OPENFILES)
1780         {
1781                 Con_Printf("VM_GetFileHandle: invalid file handle %i used in %s\n", index, prog->name);
1782                 return NULL;
1783         }
1784         if (prog->openfiles[index] == NULL)
1785         {
1786                 Con_Printf("VM_GetFileHandle: no such file handle %i (or file has been closed) in %s\n", index, prog->name);
1787                 return NULL;
1788         }
1789         return prog->openfiles[index];
1790 }
1791
1792 /*
1793 =========
1794 VM_fopen
1795
1796 float   fopen(string filename, float mode)
1797 =========
1798 */
1799 // float(string filename, float mode) fopen = #110;
1800 // opens a file inside quake/gamedir/data/ (mode is FILE_READ, FILE_APPEND, or FILE_WRITE),
1801 // returns fhandle >= 0 if successful, or fhandle < 0 if unable to open file for any reason
1802 void VM_fopen(prvm_prog_t *prog)
1803 {
1804         int filenum, mode;
1805         const char *modestring, *filename;
1806         char vabuf[1024];
1807
1808         VM_SAFEPARMCOUNT(2,VM_fopen);
1809
1810         for (filenum = 0;filenum < PRVM_MAX_OPENFILES;filenum++)
1811                 if (prog->openfiles[filenum] == NULL)
1812                         break;
1813         if (filenum >= PRVM_MAX_OPENFILES)
1814         {
1815                 PRVM_G_FLOAT(OFS_RETURN) = -2;
1816                 VM_Warning(prog, "VM_fopen: %s ran out of file handles (%i)\n", prog->name, PRVM_MAX_OPENFILES);
1817                 return;
1818         }
1819         filename = PRVM_G_STRING(OFS_PARM0);
1820         mode = (int)PRVM_G_FLOAT(OFS_PARM1);
1821         switch(mode)
1822         {
1823         case 0: // FILE_READ
1824                 modestring = "rb";
1825                 prog->openfiles[filenum] = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "data/%s", filename), false);
1826                 if (prog->openfiles[filenum] == NULL)
1827                         prog->openfiles[filenum] = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "%s", filename), false);
1828                 break;
1829         case 1: // FILE_APPEND
1830                 modestring = "a";
1831                 prog->openfiles[filenum] = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "data/%s", filename), modestring, false);
1832                 break;
1833         case 2: // FILE_WRITE
1834                 modestring = "w";
1835                 prog->openfiles[filenum] = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "data/%s", filename), modestring, false);
1836                 break;
1837         default:
1838                 PRVM_G_FLOAT(OFS_RETURN) = -3;
1839                 VM_Warning(prog, "VM_fopen: %s: no such mode %i (valid: 0 = read, 1 = append, 2 = write)\n", prog->name, mode);
1840                 return;
1841         }
1842
1843         if (prog->openfiles[filenum] == NULL)
1844         {
1845                 PRVM_G_FLOAT(OFS_RETURN) = -1;
1846                 if (developer_extra.integer)
1847                         VM_Warning(prog, "VM_fopen: %s: %s mode %s failed\n", prog->name, filename, modestring);
1848         }
1849         else
1850         {
1851                 PRVM_G_FLOAT(OFS_RETURN) = filenum;
1852                 if (developer_extra.integer)
1853                         Con_DPrintf("VM_fopen: %s: %s mode %s opened as #%i\n", prog->name, filename, modestring, filenum);
1854                 prog->openfiles_origin[filenum] = PRVM_AllocationOrigin(prog);
1855         }
1856 }
1857
1858 /*
1859 =========
1860 VM_fclose
1861
1862 fclose(float fhandle)
1863 =========
1864 */
1865 //void(float fhandle) fclose = #111; // closes a file
1866 void VM_fclose(prvm_prog_t *prog)
1867 {
1868         int filenum;
1869
1870         VM_SAFEPARMCOUNT(1,VM_fclose);
1871
1872         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1873         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1874         {
1875                 VM_Warning(prog, "VM_fclose: invalid file handle %i used in %s\n", filenum, prog->name);
1876                 return;
1877         }
1878         if (prog->openfiles[filenum] == NULL)
1879         {
1880                 VM_Warning(prog, "VM_fclose: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
1881                 return;
1882         }
1883         FS_Close(prog->openfiles[filenum]);
1884         prog->openfiles[filenum] = NULL;
1885         if(prog->openfiles_origin[filenum])
1886                 PRVM_Free((char *)prog->openfiles_origin[filenum]);
1887         if (developer_extra.integer)
1888                 Con_DPrintf("VM_fclose: %s: #%i closed\n", prog->name, filenum);
1889 }
1890
1891 /*
1892 =========
1893 VM_fgets
1894
1895 string  fgets(float fhandle)
1896 =========
1897 */
1898 //string(float fhandle) fgets = #112; // reads a line of text from the file and returns as a tempstring
1899 void VM_fgets(prvm_prog_t *prog)
1900 {
1901         int c, end;
1902         char string[VM_STRINGTEMP_LENGTH];
1903         int filenum;
1904
1905         VM_SAFEPARMCOUNT(1,VM_fgets);
1906
1907         // set the return value regardless of any possible errors
1908         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1909
1910         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1911         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1912         {
1913                 VM_Warning(prog, "VM_fgets: invalid file handle %i used in %s\n", filenum, prog->name);
1914                 return;
1915         }
1916         if (prog->openfiles[filenum] == NULL)
1917         {
1918                 VM_Warning(prog, "VM_fgets: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
1919                 return;
1920         }
1921         end = 0;
1922         for (;;)
1923         {
1924                 c = FS_Getc(prog->openfiles[filenum]);
1925                 if (c == '\r' || c == '\n' || c < 0)
1926                         break;
1927                 if (end < VM_STRINGTEMP_LENGTH - 1)
1928                         string[end++] = c;
1929         }
1930         string[end] = 0;
1931         // remove \n following \r
1932         if (c == '\r')
1933         {
1934                 c = FS_Getc(prog->openfiles[filenum]);
1935                 if (c != '\n')
1936                         FS_UnGetc(prog->openfiles[filenum], (unsigned char)c);
1937         }
1938         if (developer_extra.integer)
1939                 Con_DPrintf("fgets: %s: %s\n", prog->name, string);
1940         if (c >= 0 || end)
1941                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
1942 }
1943
1944 /*
1945 =========
1946 VM_fputs
1947
1948 fputs(float fhandle, string s)
1949 =========
1950 */
1951 //void(float fhandle, string s) fputs = #113; // writes a line of text to the end of the file
1952 void VM_fputs(prvm_prog_t *prog)
1953 {
1954         int stringlength;
1955         char string[VM_STRINGTEMP_LENGTH];
1956         int filenum;
1957
1958         VM_SAFEPARMCOUNT(2,VM_fputs);
1959
1960         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1961         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1962         {
1963                 VM_Warning(prog, "VM_fputs: invalid file handle %i used in %s\n", filenum, prog->name);
1964                 return;
1965         }
1966         if (prog->openfiles[filenum] == NULL)
1967         {
1968                 VM_Warning(prog, "VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
1969                 return;
1970         }
1971         VM_VarString(prog, 1, string, sizeof(string));
1972         if ((stringlength = (int)strlen(string)))
1973                 FS_Write(prog->openfiles[filenum], string, stringlength);
1974         if (developer_extra.integer)
1975                 Con_DPrintf("fputs: %s: %s\n", prog->name, string);
1976 }
1977
1978 /*
1979 =========
1980 VM_writetofile
1981
1982         writetofile(float fhandle, entity ent)
1983 =========
1984 */
1985 void VM_writetofile(prvm_prog_t *prog)
1986 {
1987         prvm_edict_t * ent;
1988         qfile_t *file;
1989
1990         VM_SAFEPARMCOUNT(2, VM_writetofile);
1991
1992         file = VM_GetFileHandle(prog, (int)PRVM_G_FLOAT(OFS_PARM0));
1993         if( !file )
1994         {
1995                 VM_Warning(prog, "VM_writetofile: invalid or closed file handle\n");
1996                 return;
1997         }
1998
1999         ent = PRVM_G_EDICT(OFS_PARM1);
2000         if(ent->priv.required->free)
2001         {
2002                 VM_Warning(prog, "VM_writetofile: %s: entity %i is free !\n", prog->name, PRVM_NUM_FOR_EDICT(ent));
2003                 return;
2004         }
2005
2006         PRVM_ED_Write (prog, file, ent);
2007 }
2008
2009 // KrimZon - DP_QC_ENTITYDATA
2010 /*
2011 =========
2012 VM_numentityfields
2013
2014 float() numentityfields
2015 Return the number of entity fields - NOT offsets
2016 =========
2017 */
2018 void VM_numentityfields(prvm_prog_t *prog)
2019 {
2020         PRVM_G_FLOAT(OFS_RETURN) = prog->numfielddefs;
2021 }
2022
2023 // KrimZon - DP_QC_ENTITYDATA
2024 /*
2025 =========
2026 VM_entityfieldname
2027
2028 string(float fieldnum) entityfieldname
2029 Return name of the specified field as a string, or empty if the field is invalid (warning)
2030 =========
2031 */
2032 void VM_entityfieldname(prvm_prog_t *prog)
2033 {
2034         ddef_t *d;
2035         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2036
2037         if (i < 0 || i >= prog->numfielddefs)
2038         {
2039                 VM_Warning(prog, "VM_entityfieldname: %s: field index out of bounds\n", prog->name);
2040                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2041                 return;
2042         }
2043
2044         d = &prog->fielddefs[i];
2045         PRVM_G_INT(OFS_RETURN) = d->s_name; // presuming that s_name points to a string already
2046 }
2047
2048 // KrimZon - DP_QC_ENTITYDATA
2049 /*
2050 =========
2051 VM_entityfieldtype
2052
2053 float(float fieldnum) entityfieldtype
2054 =========
2055 */
2056 void VM_entityfieldtype(prvm_prog_t *prog)
2057 {
2058         ddef_t *d;
2059         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2060
2061         if (i < 0 || i >= prog->numfielddefs)
2062         {
2063                 VM_Warning(prog, "VM_entityfieldtype: %s: field index out of bounds\n", prog->name);
2064                 PRVM_G_FLOAT(OFS_RETURN) = -1.0;
2065                 return;
2066         }
2067
2068         d = &prog->fielddefs[i];
2069         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t)d->type;
2070 }
2071
2072 // KrimZon - DP_QC_ENTITYDATA
2073 /*
2074 =========
2075 VM_getentityfieldstring
2076
2077 string(float fieldnum, entity ent) getentityfieldstring
2078 =========
2079 */
2080 void VM_getentityfieldstring(prvm_prog_t *prog)
2081 {
2082         // put the data into a string
2083         ddef_t *d;
2084         int type, j;
2085         prvm_eval_t *val;
2086         prvm_edict_t * ent;
2087         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2088         char valuebuf[MAX_INPUTLINE];
2089
2090         if (i < 0 || i >= prog->numfielddefs)
2091         {
2092         VM_Warning(prog, "VM_entityfielddata: %s: field index out of bounds\n", prog->name);
2093                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2094                 return;
2095         }
2096
2097         d = &prog->fielddefs[i];
2098
2099         // get the entity
2100         ent = PRVM_G_EDICT(OFS_PARM1);
2101         if(ent->priv.required->free)
2102         {
2103                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2104                 VM_Warning(prog, "VM_entityfielddata: %s: entity %i is free !\n", prog->name, PRVM_NUM_FOR_EDICT(ent));
2105                 return;
2106         }
2107         val = (prvm_eval_t *)(ent->fields.fp + d->ofs);
2108
2109         // if it's 0 or blank, return an empty string
2110         type = d->type & ~DEF_SAVEGLOBAL;
2111         for (j=0 ; j<prvm_type_size[type] ; j++)
2112                 if (val->ivector[j])
2113                         break;
2114         if (j == prvm_type_size[type])
2115         {
2116                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2117                 return;
2118         }
2119
2120         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, PRVM_UglyValueString(prog, (etype_t)d->type, val, valuebuf, sizeof(valuebuf)));
2121 }
2122
2123 // KrimZon - DP_QC_ENTITYDATA
2124 /*
2125 =========
2126 VM_putentityfieldstring
2127
2128 float(float fieldnum, entity ent, string s) putentityfieldstring
2129 =========
2130 */
2131 void VM_putentityfieldstring(prvm_prog_t *prog)
2132 {
2133         ddef_t *d;
2134         prvm_edict_t * ent;
2135         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2136
2137         if (i < 0 || i >= prog->numfielddefs)
2138         {
2139         VM_Warning(prog, "VM_entityfielddata: %s: field index out of bounds\n", prog->name);
2140                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2141                 return;
2142         }
2143
2144         d = &prog->fielddefs[i];
2145
2146         // get the entity
2147         ent = PRVM_G_EDICT(OFS_PARM1);
2148         if(ent->priv.required->free)
2149         {
2150                 VM_Warning(prog, "VM_entityfielddata: %s: entity %i is free !\n", prog->name, PRVM_NUM_FOR_EDICT(ent));
2151                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2152                 return;
2153         }
2154
2155         // parse the string into the value
2156         PRVM_G_FLOAT(OFS_RETURN) = ( PRVM_ED_ParseEpair(prog, ent, d, PRVM_G_STRING(OFS_PARM2), false) ) ? 1.0f : 0.0f;
2157 }
2158
2159 /*
2160 =========
2161 VM_strlen
2162
2163 float   strlen(string s)
2164 =========
2165 */
2166 //float(string s) strlen = #114; // returns how many characters are in a string
2167 void VM_strlen(prvm_prog_t *prog)
2168 {
2169         VM_SAFEPARMCOUNT(1,VM_strlen);
2170
2171         //PRVM_G_FLOAT(OFS_RETURN) = strlen(PRVM_G_STRING(OFS_PARM0));
2172         PRVM_G_FLOAT(OFS_RETURN) = u8_strlen(PRVM_G_STRING(OFS_PARM0));
2173 }
2174
2175 // DRESK - Decolorized String
2176 /*
2177 =========
2178 VM_strdecolorize
2179
2180 string  strdecolorize(string s)
2181 =========
2182 */
2183 // string (string s) strdecolorize = #472; // returns the passed in string with color codes stripped
2184 void VM_strdecolorize(prvm_prog_t *prog)
2185 {
2186         char szNewString[VM_STRINGTEMP_LENGTH];
2187         const char *szString;
2188
2189         // Prepare Strings
2190         VM_SAFEPARMCOUNT(1,VM_strdecolorize);
2191         szString = PRVM_G_STRING(OFS_PARM0);
2192         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
2193         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
2194 }
2195
2196 // DRESK - String Length (not counting color codes)
2197 /*
2198 =========
2199 VM_strlennocol
2200
2201 float   strlennocol(string s)
2202 =========
2203 */
2204 // float(string s) strlennocol = #471; // returns how many characters are in a string not including color codes
2205 // For example, ^2Dresk returns a length of 5
2206 void VM_strlennocol(prvm_prog_t *prog)
2207 {
2208         const char *szString;
2209         int nCnt;
2210
2211         VM_SAFEPARMCOUNT(1,VM_strlennocol);
2212
2213         szString = PRVM_G_STRING(OFS_PARM0);
2214
2215         //nCnt = COM_StringLengthNoColors(szString, 0, NULL);
2216         nCnt = u8_COM_StringLengthNoColors(szString, 0, NULL);
2217
2218         PRVM_G_FLOAT(OFS_RETURN) = nCnt;
2219 }
2220
2221 // DRESK - String to Uppercase and Lowercase
2222 /*
2223 =========
2224 VM_strtolower
2225
2226 string  strtolower(string s)
2227 =========
2228 */
2229 // string (string s) strtolower = #480; // returns passed in string in lowercase form
2230 void VM_strtolower(prvm_prog_t *prog)
2231 {
2232         char szNewString[VM_STRINGTEMP_LENGTH];
2233         const char *szString;
2234
2235         // Prepare Strings
2236         VM_SAFEPARMCOUNT(1,VM_strtolower);
2237         szString = PRVM_G_STRING(OFS_PARM0);
2238
2239         COM_ToLowerString(szString, szNewString, sizeof(szNewString) );
2240
2241         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
2242 }
2243
2244 /*
2245 =========
2246 VM_strtoupper
2247
2248 string  strtoupper(string s)
2249 =========
2250 */
2251 // string (string s) strtoupper = #481; // returns passed in string in uppercase form
2252 void VM_strtoupper(prvm_prog_t *prog)
2253 {
2254         char szNewString[VM_STRINGTEMP_LENGTH];
2255         const char *szString;
2256
2257         // Prepare Strings
2258         VM_SAFEPARMCOUNT(1,VM_strtoupper);
2259         szString = PRVM_G_STRING(OFS_PARM0);
2260
2261         COM_ToUpperString(szString, szNewString, sizeof(szNewString) );
2262
2263         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
2264 }
2265
2266 /*
2267 =========
2268 VM_strcat
2269
2270 string strcat(string,string,...[string])
2271 =========
2272 */
2273 //string(string s1, string s2) strcat = #115;
2274 // concatenates two strings (for example "abc", "def" would return "abcdef")
2275 // and returns as a tempstring
2276 void VM_strcat(prvm_prog_t *prog)
2277 {
2278         char s[VM_STRINGTEMP_LENGTH];
2279         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strcat);
2280
2281         VM_VarString(prog, 0, s, sizeof(s));
2282         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
2283 }
2284
2285 /*
2286 =========
2287 VM_substring
2288
2289 string  substring(string s, float start, float length)
2290 =========
2291 */
2292 // string(string s, float start, float length) substring = #116;
2293 // returns a section of a string as a tempstring
2294 void VM_substring(prvm_prog_t *prog)
2295 {
2296         int start, length;
2297         int u_slength = 0, u_start;
2298         size_t u_length;
2299         const char *s;
2300         char string[VM_STRINGTEMP_LENGTH];
2301
2302         VM_SAFEPARMCOUNT(3,VM_substring);
2303
2304         /*
2305         s = PRVM_G_STRING(OFS_PARM0);
2306         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2307         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2308         slength = strlen(s);
2309
2310         if (start < 0) // FTE_STRINGS feature
2311                 start += slength;
2312         start = bound(0, start, slength);
2313
2314         if (length < 0) // FTE_STRINGS feature
2315                 length += slength - start + 1;
2316         maxlen = min((int)sizeof(string) - 1, slength - start);
2317         length = bound(0, length, maxlen);
2318
2319         memcpy(string, s + start, length);
2320         string[length] = 0;
2321         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2322         */
2323
2324         s = PRVM_G_STRING(OFS_PARM0);
2325         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2326         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2327
2328         if (start < 0) // FTE_STRINGS feature
2329         {
2330                 u_slength = u8_strlen(s);
2331                 start += u_slength;
2332                 start = bound(0, start, u_slength);
2333         }
2334
2335         if (length < 0) // FTE_STRINGS feature
2336         {
2337                 if (!u_slength) // it's not calculated when it's not needed above
2338                         u_slength = u8_strlen(s);
2339                 length += u_slength - start + 1;
2340         }
2341
2342         // positive start, positive length
2343         u_start = u8_byteofs(s, start, NULL);
2344         if (u_start < 0)
2345         {
2346                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2347                 return;
2348         }
2349         u_length = u8_bytelen(s + u_start, length);
2350         if (u_length >= sizeof(string)-1)
2351                 u_length = sizeof(string)-1;
2352
2353         memcpy(string, s + u_start, u_length);
2354         string[u_length] = 0;
2355         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2356 }
2357
2358 /*
2359 =========
2360 VM_strreplace
2361
2362 string(string search, string replace, string subject) strreplace = #484;
2363 =========
2364 */
2365 // replaces all occurrences of search with replace in the string subject, and returns the result
2366 void VM_strreplace(prvm_prog_t *prog)
2367 {
2368         int i, j, si;
2369         const char *search, *replace, *subject;
2370         char string[VM_STRINGTEMP_LENGTH];
2371         int search_len, replace_len, subject_len;
2372
2373         VM_SAFEPARMCOUNT(3,VM_strreplace);
2374
2375         search = PRVM_G_STRING(OFS_PARM0);
2376         replace = PRVM_G_STRING(OFS_PARM1);
2377         subject = PRVM_G_STRING(OFS_PARM2);
2378
2379         search_len = (int)strlen(search);
2380         replace_len = (int)strlen(replace);
2381         subject_len = (int)strlen(subject);
2382
2383         si = 0;
2384         for (i = 0; i <= subject_len - search_len; i++)
2385         {
2386                 for (j = 0; j < search_len; j++) // thus, i+j < subject_len
2387                         if (subject[i+j] != search[j])
2388                                 break;
2389                 if (j == search_len)
2390                 {
2391                         // NOTE: if search_len == 0, we always hit THIS case, and never the other
2392                         // found it at offset 'i'
2393                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2394                                 string[si++] = replace[j];
2395                         if(search_len > 0)
2396                         {
2397                                 i += search_len - 1;
2398                         }
2399                         else
2400                         {
2401                                 // the above would subtract 1 from i... so we
2402                                 // don't do that, but instead output the next
2403                                 // char
2404                                 if (si < (int)sizeof(string) - 1)
2405                                         string[si++] = subject[i];
2406                         }
2407                 }
2408                 else
2409                 {
2410                         // in THIS case, we know search_len > 0, thus i < subject_len
2411                         // not found
2412                         if (si < (int)sizeof(string) - 1)
2413                                 string[si++] = subject[i];
2414                 }
2415         }
2416         // remaining chars (these cannot match)
2417         for (; i < subject_len; i++)
2418                 if (si < (int)sizeof(string) - 1)
2419                         string[si++] = subject[i];
2420         string[si] = '\0';
2421
2422         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2423 }
2424
2425 /*
2426 =========
2427 VM_strireplace
2428
2429 string(string search, string replace, string subject) strireplace = #485;
2430 =========
2431 */
2432 // case-insensitive version of strreplace
2433 void VM_strireplace(prvm_prog_t *prog)
2434 {
2435         int i, j, si;
2436         const char *search, *replace, *subject;
2437         char string[VM_STRINGTEMP_LENGTH];
2438         int search_len, replace_len, subject_len;
2439
2440         VM_SAFEPARMCOUNT(3,VM_strreplace);
2441
2442         search = PRVM_G_STRING(OFS_PARM0);
2443         replace = PRVM_G_STRING(OFS_PARM1);
2444         subject = PRVM_G_STRING(OFS_PARM2);
2445
2446         search_len = (int)strlen(search);
2447         replace_len = (int)strlen(replace);
2448         subject_len = (int)strlen(subject);
2449
2450         si = 0;
2451         for (i = 0; i <= subject_len - search_len; i++)
2452         {
2453                 for (j = 0; j < search_len; j++) // thus, i+j < subject_len
2454                         if (tolower(subject[i+j]) != tolower(search[j]))
2455                                 break;
2456                 if (j == search_len)
2457                 {
2458                         // NOTE: if search_len == 0, we always hit THIS case, and never the other
2459                         // found it at offset 'i'
2460                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2461                                 string[si++] = replace[j];
2462                         if(search_len > 0)
2463                         {
2464                                 i += search_len - 1;
2465                         }
2466                         else
2467                         {
2468                                 // the above would subtract 1 from i... so we
2469                                 // don't do that, but instead output the next
2470                                 // char
2471                                 if (si < (int)sizeof(string) - 1)
2472                                         string[si++] = subject[i];
2473                         }
2474                 }
2475                 else
2476                 {
2477                         // in THIS case, we know search_len > 0, thus i < subject_len
2478                         // not found
2479                         if (si < (int)sizeof(string) - 1)
2480                                 string[si++] = subject[i];
2481                 }
2482         }
2483         // remaining chars (these cannot match)
2484         for (; i < subject_len; i++)
2485                 if (si < (int)sizeof(string) - 1)
2486                         string[si++] = subject[i];
2487         string[si] = '\0';
2488
2489         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2490 }
2491
2492 /*
2493 =========
2494 VM_stov
2495
2496 vector  stov(string s)
2497 =========
2498 */
2499 //vector(string s) stov = #117; // returns vector value from a string
2500 void VM_stov(prvm_prog_t *prog)
2501 {
2502         char string[VM_STRINGTEMP_LENGTH];
2503
2504         VM_SAFEPARMCOUNT(1,VM_stov);
2505
2506         VM_VarString(prog, 0, string, sizeof(string));
2507         Math_atov(string, PRVM_G_VECTOR(OFS_RETURN));
2508 }
2509
2510 /*
2511 =========
2512 VM_strzone
2513
2514 string  strzone(string s)
2515 =========
2516 */
2517 //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)
2518 void VM_strzone(prvm_prog_t *prog)
2519 {
2520         char *out;
2521         char string[VM_STRINGTEMP_LENGTH];
2522         size_t alloclen;
2523
2524         VM_SAFEPARMCOUNT(1,VM_strzone);
2525
2526         VM_VarString(prog, 0, string, sizeof(string));
2527         alloclen = strlen(string) + 1;
2528         PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(prog, alloclen, &out);
2529         memcpy(out, string, alloclen);
2530 }
2531
2532 /*
2533 =========
2534 VM_strunzone
2535
2536 strunzone(string s)
2537 =========
2538 */
2539 //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!!!)
2540 void VM_strunzone(prvm_prog_t *prog)
2541 {
2542         VM_SAFEPARMCOUNT(1,VM_strunzone);
2543         PRVM_FreeString(prog, PRVM_G_INT(OFS_PARM0));
2544 }
2545
2546 /*
2547 =========
2548 VM_command (used by client and menu)
2549
2550 clientcommand(float client, string s) (for client and menu)
2551 =========
2552 */
2553 //void(entity e, string s) clientcommand = #440; // executes a command string as if it came from the specified client
2554 //this function originally written by KrimZon, made shorter by LordHavoc
2555 void VM_clcommand (prvm_prog_t *prog)
2556 {
2557         client_t *temp_client;
2558         int i;
2559
2560         VM_SAFEPARMCOUNT(2,VM_clcommand);
2561
2562         i = (int)PRVM_G_FLOAT(OFS_PARM0);
2563         if (!sv.active  || i < 0 || i >= svs.maxclients || !svs.clients[i].active)
2564         {
2565                 VM_Warning(prog, "VM_clientcommand: %s: invalid client/server is not active !\n", prog->name);
2566                 return;
2567         }
2568
2569         temp_client = host_client;
2570         host_client = svs.clients + i;
2571         Cmd_ExecuteString (PRVM_G_STRING(OFS_PARM1), src_client, true);
2572         host_client = temp_client;
2573 }
2574
2575
2576 /*
2577 =========
2578 VM_tokenize
2579
2580 float tokenize(string s)
2581 =========
2582 */
2583 //float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
2584 //this function originally written by KrimZon, made shorter by LordHavoc
2585 //20040203: rewritten by LordHavoc (no longer uses allocations)
2586 static int num_tokens = 0;
2587 static int tokens[VM_STRINGTEMP_LENGTH / 2];
2588 static int tokens_startpos[VM_STRINGTEMP_LENGTH / 2];
2589 static int tokens_endpos[VM_STRINGTEMP_LENGTH / 2];
2590 static char tokenize_string[VM_STRINGTEMP_LENGTH];
2591 void VM_tokenize (prvm_prog_t *prog)
2592 {
2593         const char *p;
2594
2595         VM_SAFEPARMCOUNT(1,VM_tokenize);
2596
2597         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2598         p = tokenize_string;
2599
2600         num_tokens = 0;
2601         for(;;)
2602         {
2603                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2604                         break;
2605
2606                 // skip whitespace here to find token start pos
2607                 while(*p && ISWHITESPACE(*p))
2608                         ++p;
2609
2610                 tokens_startpos[num_tokens] = p - tokenize_string;
2611                 if(!COM_ParseToken_VM_Tokenize(&p, false))
2612                         break;
2613                 tokens_endpos[num_tokens] = p - tokenize_string;
2614                 tokens[num_tokens] = PRVM_SetTempString(prog, com_token);
2615                 ++num_tokens;
2616         }
2617
2618         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2619 }
2620
2621 //float(string s) tokenize = #514; // takes apart a string into individal words (access them with argv), returns how many
2622 void VM_tokenize_console (prvm_prog_t *prog)
2623 {
2624         const char *p;
2625
2626         VM_SAFEPARMCOUNT(1,VM_tokenize);
2627
2628         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2629         p = tokenize_string;
2630
2631         num_tokens = 0;
2632         for(;;)
2633         {
2634                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2635                         break;
2636
2637                 // skip whitespace here to find token start pos
2638                 while(*p && ISWHITESPACE(*p))
2639                         ++p;
2640
2641                 tokens_startpos[num_tokens] = p - tokenize_string;
2642                 if(!COM_ParseToken_Console(&p))
2643                         break;
2644                 tokens_endpos[num_tokens] = p - tokenize_string;
2645                 tokens[num_tokens] = PRVM_SetTempString(prog, com_token);
2646                 ++num_tokens;
2647         }
2648
2649         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2650 }
2651
2652 /*
2653 =========
2654 VM_tokenizebyseparator
2655
2656 float tokenizebyseparator(string s, string separator1, ...)
2657 =========
2658 */
2659 //float(string s, string separator1, ...) tokenizebyseparator = #479; // takes apart a string into individal words (access them with argv), returns how many
2660 //this function returns the token preceding each instance of a separator (of
2661 //which there can be multiple), and the text following the last separator
2662 //useful for parsing certain kinds of data like IP addresses
2663 //example:
2664 //numnumbers = tokenizebyseparator("10.1.2.3", ".");
2665 //returns 4 and the tokens "10" "1" "2" "3".
2666 void VM_tokenizebyseparator (prvm_prog_t *prog)
2667 {
2668         int j, k;
2669         int numseparators;
2670         int separatorlen[7];
2671         const char *separators[7];
2672         const char *p, *p0;
2673         const char *token;
2674         char tokentext[MAX_INPUTLINE];
2675
2676         VM_SAFEPARMCOUNTRANGE(2, 8,VM_tokenizebyseparator);
2677
2678         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2679         p = tokenize_string;
2680
2681         numseparators = 0;
2682         for (j = 1;j < prog->argc;j++)
2683         {
2684                 // skip any blank separator strings
2685                 const char *s = PRVM_G_STRING(OFS_PARM0+j*3);
2686                 if (!s[0])
2687                         continue;
2688                 separators[numseparators] = s;
2689                 separatorlen[numseparators] = strlen(s);
2690                 numseparators++;
2691         }
2692
2693         num_tokens = 0;
2694         j = 0;
2695
2696         while (num_tokens < (int)(sizeof(tokens)/sizeof(tokens[0])))
2697         {
2698                 token = tokentext + j;
2699                 tokens_startpos[num_tokens] = p - tokenize_string;
2700                 p0 = p;
2701                 while (*p)
2702                 {
2703                         for (k = 0;k < numseparators;k++)
2704                         {
2705                                 if (!strncmp(p, separators[k], separatorlen[k]))
2706                                 {
2707                                         p += separatorlen[k];
2708                                         break;
2709                                 }
2710                         }
2711                         if (k < numseparators)
2712                                 break;
2713                         if (j < (int)sizeof(tokentext)-1)
2714                                 tokentext[j++] = *p;
2715                         p++;
2716                         p0 = p;
2717                 }
2718                 tokens_endpos[num_tokens] = p0 - tokenize_string;
2719                 if (j >= (int)sizeof(tokentext))
2720                         break;
2721                 tokentext[j++] = 0;
2722                 tokens[num_tokens++] = PRVM_SetTempString(prog, token);
2723                 if (!*p)
2724                         break;
2725         }
2726
2727         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2728 }
2729
2730 //string(float n) argv = #442; // returns a word from the tokenized string (returns nothing for an invalid index)
2731 //this function originally written by KrimZon, made shorter by LordHavoc
2732 void VM_argv (prvm_prog_t *prog)
2733 {
2734         int token_num;
2735
2736         VM_SAFEPARMCOUNT(1,VM_argv);
2737
2738         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2739
2740         if(token_num < 0)
2741                 token_num += num_tokens;
2742
2743         if (token_num >= 0 && token_num < num_tokens)
2744                 PRVM_G_INT(OFS_RETURN) = tokens[token_num];
2745         else
2746                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
2747 }
2748
2749 //float(float n) argv_start_index = #515; // returns the start index of a token
2750 void VM_argv_start_index (prvm_prog_t *prog)
2751 {
2752         int token_num;
2753
2754         VM_SAFEPARMCOUNT(1,VM_argv);
2755
2756         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2757
2758         if(token_num < 0)
2759                 token_num += num_tokens;
2760
2761         if (token_num >= 0 && token_num < num_tokens)
2762                 PRVM_G_FLOAT(OFS_RETURN) = tokens_startpos[token_num];
2763         else
2764                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2765 }
2766
2767 //float(float n) argv_end_index = #516; // returns the end index of a token
2768 void VM_argv_end_index (prvm_prog_t *prog)
2769 {
2770         int token_num;
2771
2772         VM_SAFEPARMCOUNT(1,VM_argv);
2773
2774         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2775
2776         if(token_num < 0)
2777                 token_num += num_tokens;
2778
2779         if (token_num >= 0 && token_num < num_tokens)
2780                 PRVM_G_FLOAT(OFS_RETURN) = tokens_endpos[token_num];
2781         else
2782                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2783 }
2784
2785 /*
2786 =========
2787 VM_isserver
2788
2789 float   isserver()
2790 =========
2791 */
2792 void VM_isserver(prvm_prog_t *prog)
2793 {
2794         VM_SAFEPARMCOUNT(0,VM_serverstate);
2795
2796         PRVM_G_FLOAT(OFS_RETURN) = sv.active && (svs.maxclients > 1 || cls.state == ca_dedicated);
2797 }
2798
2799 /*
2800 =========
2801 VM_clientcount
2802
2803 float   clientcount()
2804 =========
2805 */
2806 void VM_clientcount(prvm_prog_t *prog)
2807 {
2808         VM_SAFEPARMCOUNT(0,VM_clientcount);
2809
2810         PRVM_G_FLOAT(OFS_RETURN) = svs.maxclients;
2811 }
2812
2813 /*
2814 =========
2815 VM_clientstate
2816
2817 float   clientstate()
2818 =========
2819 */
2820 void VM_clientstate(prvm_prog_t *prog)
2821 {
2822         VM_SAFEPARMCOUNT(0,VM_clientstate);
2823
2824
2825         switch( cls.state ) {
2826                 case ca_uninitialized:
2827                 case ca_dedicated:
2828                         PRVM_G_FLOAT(OFS_RETURN) = 0;
2829                         break;
2830                 case ca_disconnected:
2831                         PRVM_G_FLOAT(OFS_RETURN) = 1;
2832                         break;
2833                 case ca_connected:
2834                         PRVM_G_FLOAT(OFS_RETURN) = 2;
2835                         break;
2836                 default:
2837                         // should never be reached!
2838                         break;
2839         }
2840 }
2841
2842 /*
2843 =========
2844 VM_getostype
2845
2846 float   getostype(prvm_prog_t *prog)
2847 =========
2848 */ // not used at the moment -> not included in the common list
2849 void VM_getostype(prvm_prog_t *prog)
2850 {
2851         VM_SAFEPARMCOUNT(0,VM_getostype);
2852
2853         /*
2854         OS_WINDOWS
2855         OS_LINUX
2856         OS_MAC - not supported
2857         */
2858
2859 #ifdef WIN32
2860         PRVM_G_FLOAT(OFS_RETURN) = 0;
2861 #elif defined(MACOSX)
2862         PRVM_G_FLOAT(OFS_RETURN) = 2;
2863 #else
2864         PRVM_G_FLOAT(OFS_RETURN) = 1;
2865 #endif
2866 }
2867
2868 /*
2869 =========
2870 VM_gettime
2871
2872 float   gettime(prvm_prog_t *prog)
2873 =========
2874 */
2875 float CDAudio_GetPosition(void);
2876 void VM_gettime(prvm_prog_t *prog)
2877 {
2878         int timer_index;
2879
2880         VM_SAFEPARMCOUNTRANGE(0,1,VM_gettime);
2881
2882         if(prog->argc == 0)
2883         {
2884                 PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t) realtime;
2885         }
2886         else
2887         {
2888                 timer_index = (int) PRVM_G_FLOAT(OFS_PARM0);
2889                 switch(timer_index)
2890                 {
2891                         case 0: // GETTIME_FRAMESTART
2892                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2893                                 break;
2894                         case 1: // GETTIME_REALTIME
2895                                 PRVM_G_FLOAT(OFS_RETURN) = Sys_DirtyTime();
2896                                 break;
2897                         case 2: // GETTIME_HIRES
2898                                 PRVM_G_FLOAT(OFS_RETURN) = (Sys_DirtyTime() - host_dirtytime);
2899                                 break;
2900                         case 3: // GETTIME_UPTIME
2901                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2902                                 break;
2903                         case 4: // GETTIME_CDTRACK
2904                                 PRVM_G_FLOAT(OFS_RETURN) = CDAudio_GetPosition();
2905                                 break;
2906                         default:
2907                                 VM_Warning(prog, "VM_gettime: %s: unsupported timer specified, returning realtime\n", prog->name);
2908                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2909                                 break;
2910                 }
2911         }
2912 }
2913
2914 /*
2915 =========
2916 VM_getsoundtime
2917
2918 float   getsoundtime(prvm_prog_t *prog)
2919 =========
2920 */
2921
2922 void VM_getsoundtime (prvm_prog_t *prog)
2923 {
2924         int entnum, entchannel;
2925         VM_SAFEPARMCOUNT(2,VM_getsoundtime);
2926
2927         if (prog == SVVM_prog)
2928                 entnum = PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2929         else if (prog == CLVM_prog)
2930                 entnum = MAX_EDICTS + PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2931         else
2932         {
2933                 VM_Warning(prog, "VM_getsoundtime: %s: not supported on this progs\n", prog->name);
2934                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2935                 return;
2936         }
2937         entchannel = (int)PRVM_G_FLOAT(OFS_PARM1);
2938         entchannel = CHAN_USER2ENGINE(entchannel);
2939         if (!IS_CHAN(entchannel))
2940                 VM_Warning(prog, "VM_getsoundtime: %s: bad channel %i\n", prog->name, entchannel);
2941         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t)S_GetEntChannelPosition(entnum, entchannel);
2942 }
2943
2944 /*
2945 =========
2946 VM_GetSoundLen
2947
2948 string  soundlength (string sample)
2949 =========
2950 */
2951 void VM_soundlength (prvm_prog_t *prog)
2952 {
2953         const char *s;
2954
2955         VM_SAFEPARMCOUNT(1, VM_soundlength);
2956
2957         s = PRVM_G_STRING(OFS_PARM0);
2958         PRVM_G_FLOAT(OFS_RETURN) = S_SoundLength(s);
2959 }
2960
2961 /*
2962 =========
2963 VM_loadfromdata
2964
2965 loadfromdata(string data)
2966 =========
2967 */
2968 void VM_loadfromdata(prvm_prog_t *prog)
2969 {
2970         VM_SAFEPARMCOUNT(1,VM_loadentsfromfile);
2971
2972         PRVM_ED_LoadFromFile(prog, PRVM_G_STRING(OFS_PARM0));
2973 }
2974
2975 /*
2976 ========================
2977 VM_parseentitydata
2978
2979 parseentitydata(entity ent, string data)
2980 ========================
2981 */
2982 void VM_parseentitydata(prvm_prog_t *prog)
2983 {
2984         prvm_edict_t *ent;
2985         const char *data;
2986
2987         VM_SAFEPARMCOUNT(2, VM_parseentitydata);
2988
2989         // get edict and test it
2990         ent = PRVM_G_EDICT(OFS_PARM0);
2991         if (ent->priv.required->free)
2992                 prog->error_cmd("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!", prog->name, PRVM_NUM_FOR_EDICT(ent));
2993
2994         data = PRVM_G_STRING(OFS_PARM1);
2995
2996         // parse the opening brace
2997         if (!COM_ParseToken_Simple(&data, false, false, true) || com_token[0] != '{' )
2998                 prog->error_cmd("VM_parseentitydata: %s: Couldn't parse entity data:\n%s", prog->name, data );
2999
3000         PRVM_ED_ParseEdict (prog, data, ent);
3001 }
3002
3003 /*
3004 =========
3005 VM_loadfromfile
3006
3007 loadfromfile(string file)
3008 =========
3009 */
3010 void VM_loadfromfile(prvm_prog_t *prog)
3011 {
3012         const char *filename;
3013         char *data;
3014
3015         VM_SAFEPARMCOUNT(1,VM_loadfromfile);
3016
3017         filename = PRVM_G_STRING(OFS_PARM0);
3018         if (FS_CheckNastyPath(filename, false))
3019         {
3020                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3021                 VM_Warning(prog, "VM_loadfromfile: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", prog->name, filename);
3022                 return;
3023         }
3024
3025         // not conform with VM_fopen
3026         data = (char *)FS_LoadFile(filename, tempmempool, false, NULL);
3027         if (data == NULL)
3028                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3029
3030         PRVM_ED_LoadFromFile(prog, data);
3031
3032         if(data)
3033                 Mem_Free(data);
3034 }
3035
3036
3037 /*
3038 =========
3039 VM_modulo
3040
3041 float   mod(float val, float m)
3042 =========
3043 */
3044 void VM_modulo(prvm_prog_t *prog)
3045 {
3046         prvm_int_t val, m;
3047         VM_SAFEPARMCOUNT(2,VM_module);
3048
3049         val = (prvm_int_t) PRVM_G_FLOAT(OFS_PARM0);
3050         m       = (prvm_int_t) PRVM_G_FLOAT(OFS_PARM1);
3051
3052         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t) (val % m);
3053 }
3054
3055 static void VM_Search_Init(prvm_prog_t *prog)
3056 {
3057         int i;
3058         for (i = 0;i < PRVM_MAX_OPENSEARCHES;i++)
3059                 prog->opensearches[i] = NULL;
3060 }
3061
3062 static void VM_Search_Reset(prvm_prog_t *prog)
3063 {
3064         int i;
3065         // reset the fssearch list
3066         for(i = 0; i < PRVM_MAX_OPENSEARCHES; i++)
3067         {
3068                 if(prog->opensearches[i])
3069                         FS_FreeSearch(prog->opensearches[i]);
3070                 prog->opensearches[i] = NULL;
3071         }
3072 }
3073
3074 /*
3075 =========
3076 VM_search_begin
3077
3078 float search_begin(string pattern, float caseinsensitive, float quiet)
3079 =========
3080 */
3081 void VM_search_begin(prvm_prog_t *prog)
3082 {
3083         int handle;
3084         const char *pattern;
3085         int caseinsens, quiet;
3086
3087         VM_SAFEPARMCOUNT(3, VM_search_begin);
3088
3089         pattern = PRVM_G_STRING(OFS_PARM0);
3090
3091         VM_CheckEmptyString(prog, pattern);
3092
3093         caseinsens = (int)PRVM_G_FLOAT(OFS_PARM1);
3094         quiet = (int)PRVM_G_FLOAT(OFS_PARM2);
3095
3096         for(handle = 0; handle < PRVM_MAX_OPENSEARCHES; handle++)
3097                 if(!prog->opensearches[handle])
3098                         break;
3099
3100         if(handle >= PRVM_MAX_OPENSEARCHES)
3101         {
3102                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3103                 VM_Warning(prog, "VM_search_begin: %s ran out of search handles (%i)\n", prog->name, PRVM_MAX_OPENSEARCHES);
3104                 return;
3105         }
3106
3107         if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
3108                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3109         else
3110         {
3111                 prog->opensearches_origin[handle] = PRVM_AllocationOrigin(prog);
3112                 PRVM_G_FLOAT(OFS_RETURN) = handle;
3113         }
3114 }
3115
3116 /*
3117 =========
3118 VM_search_end
3119
3120 void    search_end(float handle)
3121 =========
3122 */
3123 void VM_search_end(prvm_prog_t *prog)
3124 {
3125         int handle;
3126         VM_SAFEPARMCOUNT(1, VM_search_end);
3127
3128         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3129
3130         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3131         {
3132                 VM_Warning(prog, "VM_search_end: invalid handle %i used in %s\n", handle, prog->name);
3133                 return;
3134         }
3135         if(prog->opensearches[handle] == NULL)
3136         {
3137                 VM_Warning(prog, "VM_search_end: no such handle %i in %s\n", handle, prog->name);
3138                 return;
3139         }
3140
3141         FS_FreeSearch(prog->opensearches[handle]);
3142         prog->opensearches[handle] = NULL;
3143         if(prog->opensearches_origin[handle])
3144                 PRVM_Free((char *)prog->opensearches_origin[handle]);
3145 }
3146
3147 /*
3148 =========
3149 VM_search_getsize
3150
3151 float   search_getsize(float handle)
3152 =========
3153 */
3154 void VM_search_getsize(prvm_prog_t *prog)
3155 {
3156         int handle;
3157         VM_SAFEPARMCOUNT(1, VM_M_search_getsize);
3158
3159         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3160
3161         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3162         {
3163                 VM_Warning(prog, "VM_search_getsize: invalid handle %i used in %s\n", handle, prog->name);
3164                 return;
3165         }
3166         if(prog->opensearches[handle] == NULL)
3167         {
3168                 VM_Warning(prog, "VM_search_getsize: no such handle %i in %s\n", handle, prog->name);
3169                 return;
3170         }
3171
3172         PRVM_G_FLOAT(OFS_RETURN) = prog->opensearches[handle]->numfilenames;
3173 }
3174
3175 /*
3176 =========
3177 VM_search_getfilename
3178
3179 string  search_getfilename(float handle, float num)
3180 =========
3181 */
3182 void VM_search_getfilename(prvm_prog_t *prog)
3183 {
3184         int handle, filenum;
3185         VM_SAFEPARMCOUNT(2, VM_search_getfilename);
3186
3187         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3188         filenum = (int)PRVM_G_FLOAT(OFS_PARM1);
3189
3190         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3191         {
3192                 VM_Warning(prog, "VM_search_getfilename: invalid handle %i used in %s\n", handle, prog->name);
3193                 return;
3194         }
3195         if(prog->opensearches[handle] == NULL)
3196         {
3197                 VM_Warning(prog, "VM_search_getfilename: no such handle %i in %s\n", handle, prog->name);
3198                 return;
3199         }
3200         if(filenum < 0 || filenum >= prog->opensearches[handle]->numfilenames)
3201         {
3202                 VM_Warning(prog, "VM_search_getfilename: invalid filenum %i in %s\n", filenum, prog->name);
3203                 return;
3204         }
3205
3206         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, prog->opensearches[handle]->filenames[filenum]);
3207 }
3208
3209 /*
3210 =========
3211 VM_chr
3212
3213 string  chr(float ascii)
3214 =========
3215 */
3216 void VM_chr(prvm_prog_t *prog)
3217 {
3218         /*
3219         char tmp[2];
3220         VM_SAFEPARMCOUNT(1, VM_chr);
3221
3222         tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
3223         tmp[1] = 0;
3224
3225         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, tmp);
3226         */
3227
3228         char tmp[8];
3229         int len;
3230         VM_SAFEPARMCOUNT(1, VM_chr);
3231
3232         len = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0), tmp, sizeof(tmp));
3233         tmp[len] = 0;
3234         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, tmp);
3235 }
3236
3237 //=============================================================================
3238 // Draw builtins (client & menu)
3239
3240 /*
3241 =========
3242 VM_iscachedpic
3243
3244 float   iscachedpic(string pic)
3245 =========
3246 */
3247 void VM_iscachedpic(prvm_prog_t *prog)
3248 {
3249         VM_SAFEPARMCOUNT(1,VM_iscachedpic);
3250
3251         // drawq hasnt such a function, thus always return true
3252         PRVM_G_FLOAT(OFS_RETURN) = false;
3253 }
3254
3255 /*
3256 =========
3257 VM_precache_pic
3258
3259 string  precache_pic(string pic)
3260 =========
3261 */
3262 #define PRECACHE_PIC_FROMWAD 1 /* FTEQW, not supported here */
3263 #define PRECACHE_PIC_NOTPERSISTENT 2
3264 //#define PRECACHE_PIC_NOCLAMP 4
3265 #define PRECACHE_PIC_MIPMAP 8
3266 void VM_precache_pic(prvm_prog_t *prog)
3267 {
3268         const char      *s;
3269         int flags = 0;
3270
3271         VM_SAFEPARMCOUNTRANGE(1, 2, VM_precache_pic);
3272
3273         s = PRVM_G_STRING(OFS_PARM0);
3274         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
3275         VM_CheckEmptyString(prog, s);
3276
3277         if(prog->argc >= 2)
3278         {
3279                 int f = PRVM_G_FLOAT(OFS_PARM1);
3280                 if(f & PRECACHE_PIC_NOTPERSISTENT)
3281                         flags |= CACHEPICFLAG_NOTPERSISTENT;
3282                 //if(f & PRECACHE_PIC_NOCLAMP)
3283                 //      flags |= CACHEPICFLAG_NOCLAMP;
3284                 if(f & PRECACHE_PIC_MIPMAP)
3285                         flags |= CACHEPICFLAG_MIPMAP;
3286         }
3287
3288         // AK Draw_CachePic is supposed to always return a valid pointer
3289         if( Draw_CachePic_Flags(s, flags)->tex == r_texture_notexture )
3290                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
3291 }
3292
3293 /*
3294 =========
3295 VM_freepic
3296
3297 freepic(string s)
3298 =========
3299 */
3300 void VM_freepic(prvm_prog_t *prog)
3301 {
3302         const char *s;
3303
3304         VM_SAFEPARMCOUNT(1,VM_freepic);
3305
3306         s = PRVM_G_STRING(OFS_PARM0);
3307         VM_CheckEmptyString(prog, s);
3308
3309         Draw_FreePic(s);
3310 }
3311
3312 static void getdrawfontscale(prvm_prog_t *prog, float *sx, float *sy)
3313 {
3314         vec3_t v;
3315         *sx = *sy = 1;
3316         VectorCopy(PRVM_drawglobalvector(drawfontscale), v);
3317         if(VectorLength2(v) > 0)
3318         {
3319                 *sx = v[0];
3320                 *sy = v[1];
3321         }
3322 }
3323
3324 static dp_font_t *getdrawfont(prvm_prog_t *prog)
3325 {
3326         int f = (int) PRVM_drawglobalfloat(drawfont);
3327         if(f < 0 || f >= dp_fonts.maxsize)
3328                 return FONT_DEFAULT;
3329         return &dp_fonts.f[f];
3330 }
3331
3332 /*
3333 =========
3334 VM_drawcharacter
3335
3336 float   drawcharacter(vector position, float character, vector scale, vector rgb, float alpha, float flag)
3337 =========
3338 */
3339 void VM_drawcharacter(prvm_prog_t *prog)
3340 {
3341         prvm_vec_t *pos,*scale,*rgb;
3342         char   character;
3343         int flag;
3344         float sx, sy;
3345         VM_SAFEPARMCOUNT(6,VM_drawcharacter);
3346
3347         character = (char) PRVM_G_FLOAT(OFS_PARM1);
3348         if(character == 0)
3349         {
3350                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3351                 VM_Warning(prog, "VM_drawcharacter: %s passed null character !\n",prog->name);
3352                 return;
3353         }
3354
3355         pos = PRVM_G_VECTOR(OFS_PARM0);
3356         scale = PRVM_G_VECTOR(OFS_PARM2);
3357         rgb = PRVM_G_VECTOR(OFS_PARM3);
3358         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3359
3360         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3361         {
3362                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3363                 VM_Warning(prog, "VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3364                 return;
3365         }
3366
3367         if(pos[2] || scale[2])
3368                 VM_Warning(prog, "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")));
3369
3370         if(!scale[0] || !scale[1])
3371         {
3372                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3373                 VM_Warning(prog, "VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3374                 return;
3375         }
3376
3377         getdrawfontscale(prog, &sx, &sy);
3378         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(prog));
3379         PRVM_G_FLOAT(OFS_RETURN) = 1;
3380 }
3381
3382 /*
3383 =========
3384 VM_drawstring
3385
3386 float   drawstring(vector position, string text, vector scale, vector rgb, float alpha[, float flag])
3387 =========
3388 */
3389 void VM_drawstring(prvm_prog_t *prog)
3390 {
3391         prvm_vec_t *pos,*scale,*rgb;
3392         const char  *string;
3393         int flag = 0;
3394         float sx, sy;
3395         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawstring);
3396
3397         string = PRVM_G_STRING(OFS_PARM1);
3398         pos = PRVM_G_VECTOR(OFS_PARM0);
3399         scale = PRVM_G_VECTOR(OFS_PARM2);
3400         rgb = PRVM_G_VECTOR(OFS_PARM3);
3401         if (prog->argc >= 6)
3402                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3403
3404         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3405         {
3406                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3407                 VM_Warning(prog, "VM_drawstring: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3408                 return;
3409         }
3410
3411         if(!scale[0] || !scale[1])
3412         {
3413                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3414                 VM_Warning(prog, "VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3415                 return;
3416         }
3417
3418         if(pos[2] || scale[2])
3419                 VM_Warning(prog, "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")));
3420
3421         getdrawfontscale(prog, &sx, &sy);
3422         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(prog));
3423         //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);
3424         PRVM_G_FLOAT(OFS_RETURN) = 1;
3425 }
3426
3427 /*
3428 =========
3429 VM_drawcolorcodedstring
3430
3431 float   drawcolorcodedstring(vector position, string text, vector scale, float alpha, float flag)
3432 /
3433 float   drawcolorcodedstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3434 =========
3435 */
3436 void VM_drawcolorcodedstring(prvm_prog_t *prog)
3437 {
3438         prvm_vec_t *pos, *scale;
3439         const char  *string;
3440         int flag;
3441         vec3_t rgb;
3442         float sx, sy, alpha;
3443
3444         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawcolorcodedstring);
3445
3446         if (prog->argc == 6) // full 6 parms, like normal drawstring
3447         {
3448                 pos = PRVM_G_VECTOR(OFS_PARM0);
3449                 string = PRVM_G_STRING(OFS_PARM1);
3450                 scale = PRVM_G_VECTOR(OFS_PARM2);
3451                 VectorCopy(PRVM_G_VECTOR(OFS_PARM3), rgb);
3452                 alpha = PRVM_G_FLOAT(OFS_PARM4);
3453                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3454         }
3455         else
3456         {
3457                 pos = PRVM_G_VECTOR(OFS_PARM0);
3458                 string = PRVM_G_STRING(OFS_PARM1);
3459                 scale = PRVM_G_VECTOR(OFS_PARM2);
3460                 rgb[0] = 1.0;
3461                 rgb[1] = 1.0;
3462                 rgb[2] = 1.0;
3463                 alpha = PRVM_G_FLOAT(OFS_PARM3);
3464                 flag = (int)PRVM_G_FLOAT(OFS_PARM4);
3465         }
3466
3467         if(flag < DRAWFLAG_NORMAL || flag >= DRAWFLAG_NUMFLAGS)
3468         {
3469                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3470                 VM_Warning(prog, "VM_drawcolorcodedstring: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3471                 return;
3472         }
3473
3474         if(!scale[0] || !scale[1])
3475         {
3476                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3477                 VM_Warning(prog, "VM_drawcolorcodedstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3478                 return;
3479         }
3480
3481         if(pos[2] || scale[2])
3482                 VM_Warning(prog, "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")));
3483
3484         getdrawfontscale(prog, &sx, &sy);
3485         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(prog));
3486         if (prog->argc == 6) // also return vector of last color
3487                 VectorCopy(DrawQ_Color, PRVM_G_VECTOR(OFS_RETURN));
3488         else
3489                 PRVM_G_FLOAT(OFS_RETURN) = 1;
3490 }
3491 /*
3492 =========
3493 VM_stringwidth
3494
3495 float   stringwidth(string text, float allowColorCodes, float size)
3496 =========
3497 */
3498 void VM_stringwidth(prvm_prog_t *prog)
3499 {
3500         const char  *string;
3501         vec2_t szv;
3502         float mult; // sz is intended font size so we can later add freetype support, mult is font size multiplier in pixels per character cell
3503         int colors;
3504         float sx, sy;
3505         size_t maxlen = 0;
3506         VM_SAFEPARMCOUNTRANGE(2,3,VM_drawstring);
3507
3508         getdrawfontscale(prog, &sx, &sy);
3509         if(prog->argc == 3)
3510         {
3511                 Vector2Copy(PRVM_G_VECTOR(OFS_PARM2), szv);
3512                 mult = 1;
3513         }
3514         else
3515         {
3516                 // we want the width for 8x8 font size, divided by 8
3517                 Vector2Set(szv, 8, 8);
3518                 mult = 0.125;
3519                 // to make sure snapping is turned off, ALWAYS use a nontrivial scale in this case
3520                 if(sx >= 0.9 && sx <= 1.1)
3521                 {
3522                         mult *= 2;
3523                         sx /= 2;
3524                         sy /= 2;
3525                 }
3526         }
3527
3528         string = PRVM_G_STRING(OFS_PARM0);
3529         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3530
3531         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_UntilWidth_TrackColors_Scale(string, &maxlen, szv[0], szv[1], sx, sy, NULL, !colors, getdrawfont(prog), 1000000000) * mult;
3532 /*
3533         if(prog->argc == 3)
3534         {
3535                 mult = sz = PRVM_G_FLOAT(OFS_PARM2);
3536         }
3537         else
3538         {
3539                 sz = 8;
3540                 mult = 1;
3541         }
3542
3543         string = PRVM_G_STRING(OFS_PARM0);
3544         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3545
3546         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth(string, 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
3547 */
3548 }
3549
3550 /*
3551 =========
3552 VM_findfont
3553
3554 float findfont(string s)
3555 =========
3556 */
3557
3558 static float getdrawfontnum(const char *fontname)
3559 {
3560         int i;
3561
3562         for(i = 0; i < dp_fonts.maxsize; ++i)
3563                 if(!strcmp(dp_fonts.f[i].title, fontname))
3564                         return i;
3565         return -1;
3566 }
3567
3568 void VM_findfont(prvm_prog_t *prog)
3569 {
3570         VM_SAFEPARMCOUNT(1,VM_findfont);
3571         PRVM_G_FLOAT(OFS_RETURN) = getdrawfontnum(PRVM_G_STRING(OFS_PARM0));
3572 }
3573
3574 /*
3575 =========
3576 VM_loadfont
3577
3578 float loadfont(string fontname, string fontmaps, string sizes, float slot)
3579 =========
3580 */
3581
3582 void VM_loadfont(prvm_prog_t *prog)
3583 {
3584         const char *fontname, *filelist, *sizes, *c, *cm;
3585         char mainfont[MAX_QPATH];
3586         int i, numsizes;
3587         float sz, scale, voffset;
3588         dp_font_t *f;
3589
3590         VM_SAFEPARMCOUNTRANGE(3,6,VM_loadfont);
3591
3592         fontname = PRVM_G_STRING(OFS_PARM0);
3593         if (!fontname[0])
3594                 fontname = "default";
3595
3596         filelist = PRVM_G_STRING(OFS_PARM1);
3597         if (!filelist[0])
3598                 filelist = "gfx/conchars";
3599
3600         sizes = PRVM_G_STRING(OFS_PARM2);
3601         if (!sizes[0])
3602                 sizes = "10";
3603
3604         // find a font
3605         f = NULL;
3606         if (prog->argc >= 4)
3607         {
3608                 i = PRVM_G_FLOAT(OFS_PARM3);
3609                 if (i >= 0 && i < dp_fonts.maxsize)
3610                 {
3611                         f = &dp_fonts.f[i];
3612                         strlcpy(f->title, fontname, sizeof(f->title)); // replace name
3613                 }
3614         }
3615         if (!f)
3616                 f = FindFont(fontname, true);
3617         if (!f)
3618         {
3619                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3620                 return; // something go wrong
3621         }
3622
3623         memset(f->fallbacks, 0, sizeof(f->fallbacks));
3624         memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
3625
3626         // first font is handled "normally"
3627         c = strchr(filelist, ':');
3628         cm = strchr(filelist, ',');
3629         if(c && (!cm || c < cm))
3630                 f->req_face = atoi(c+1);
3631         else
3632         {
3633                 f->req_face = 0;
3634                 c = cm;
3635         }
3636         if(!c || (c - filelist) > MAX_QPATH)
3637                 strlcpy(mainfont, filelist, sizeof(mainfont));
3638         else
3639         {
3640                 memcpy(mainfont, filelist, c - filelist);
3641                 mainfont[c - filelist] = 0;
3642         }
3643
3644         // handle fallbacks
3645         for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
3646         {
3647                 c = strchr(filelist, ',');
3648                 if(!c)
3649                         break;
3650                 filelist = c + 1;
3651                 if(!*filelist)
3652                         break;
3653                 c = strchr(filelist, ':');
3654                 cm = strchr(filelist, ',');
3655                 if(c && (!cm || c < cm))
3656                         f->fallback_faces[i] = atoi(c+1);
3657                 else
3658                 {
3659                         f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
3660                         c = cm;
3661                 }
3662                 if(!c || (c-filelist) > MAX_QPATH)
3663                 {
3664                         strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
3665                 }
3666                 else
3667                 {
3668                         memcpy(f->fallbacks[i], filelist, c - filelist);
3669                         f->fallbacks[i][c - filelist] = 0;
3670                 }
3671         }
3672
3673         // handle sizes
3674         for(i = 0; i < MAX_FONT_SIZES; ++i)
3675                 f->req_sizes[i] = -1;
3676         for (numsizes = 0,c = sizes;;)
3677         {
3678                 if (!COM_ParseToken_VM_Tokenize(&c, 0))
3679                         break;
3680                 sz = atof(com_token);
3681                 // detect crap size
3682                 if (sz < 0.001f || sz > 1000.0f)
3683                 {
3684                         VM_Warning(prog, "VM_loadfont: crap size %s", com_token);
3685                         continue;
3686                 }
3687                 // check overflow
3688                 if (numsizes == MAX_FONT_SIZES)
3689                 {
3690                         VM_Warning(prog, "VM_loadfont: MAX_FONT_SIZES = %i exceeded", MAX_FONT_SIZES);
3691                         break;
3692                 }
3693                 f->req_sizes[numsizes] = sz;
3694                 numsizes++;
3695         }
3696
3697         // additional scale/hoffset parms
3698         scale = 1;
3699         voffset = 0;
3700         if (prog->argc >= 5)
3701         {
3702                 scale = PRVM_G_FLOAT(OFS_PARM4);
3703                 if (scale <= 0)
3704                         scale = 1;
3705         }
3706         if (prog->argc >= 6)
3707                 voffset = PRVM_G_FLOAT(OFS_PARM5);
3708
3709         // load
3710         LoadFont(true, mainfont, f, scale, voffset);
3711
3712         // return index of loaded font
3713         PRVM_G_FLOAT(OFS_RETURN) = (f - dp_fonts.f);
3714 }
3715
3716 /*
3717 =========
3718 VM_drawpic
3719
3720 float   drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
3721 =========
3722 */
3723 void VM_drawpic(prvm_prog_t *prog)
3724 {
3725         const char *picname;
3726         prvm_vec_t *size, *pos, *rgb;
3727         int flag = 0;
3728
3729         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawpic);
3730
3731         picname = PRVM_G_STRING(OFS_PARM1);
3732         VM_CheckEmptyString(prog, picname);
3733
3734         // is pic cached ? no function yet for that
3735         if(!1)
3736         {
3737                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3738                 VM_Warning(prog, "VM_drawpic: %s: %s not cached !\n", prog->name, picname);
3739                 return;
3740         }
3741
3742         pos = PRVM_G_VECTOR(OFS_PARM0);
3743         size = PRVM_G_VECTOR(OFS_PARM2);
3744         rgb = PRVM_G_VECTOR(OFS_PARM3);
3745         if (prog->argc >= 6)
3746                 flag = (int) PRVM_G_FLOAT(OFS_PARM5);
3747
3748         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3749         {
3750                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3751                 VM_Warning(prog, "VM_drawpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3752                 return;
3753         }
3754
3755         if(pos[2] || size[2])
3756                 VM_Warning(prog, "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")));
3757
3758         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);
3759         PRVM_G_FLOAT(OFS_RETURN) = 1;
3760 }
3761 /*
3762 =========
3763 VM_drawrotpic
3764
3765 float   drawrotpic(vector position, string pic, vector size, vector org, float angle, vector rgb, float alpha, float flag)
3766 =========
3767 */
3768 void VM_drawrotpic(prvm_prog_t *prog)
3769 {
3770         const char *picname;
3771         prvm_vec_t *size, *pos, *org, *rgb;
3772         int flag;
3773
3774         VM_SAFEPARMCOUNT(8,VM_drawrotpic);
3775
3776         picname = PRVM_G_STRING(OFS_PARM1);
3777         VM_CheckEmptyString(prog, picname);
3778
3779         // is pic cached ? no function yet for that
3780         if(!1)
3781         {
3782                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3783                 VM_Warning(prog, "VM_drawrotpic: %s: %s not cached !\n", prog->name, picname);
3784                 return;
3785         }
3786
3787         pos = PRVM_G_VECTOR(OFS_PARM0);
3788         size = PRVM_G_VECTOR(OFS_PARM2);
3789         org = PRVM_G_VECTOR(OFS_PARM3);
3790         rgb = PRVM_G_VECTOR(OFS_PARM5);
3791         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3792
3793         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3794         {
3795                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3796                 VM_Warning(prog, "VM_drawrotpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3797                 return;
3798         }
3799
3800         if(pos[2] || size[2] || org[2])
3801                 VM_Warning(prog, "VM_drawrotpic: z value from pos/size/org discarded\n");
3802
3803         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);
3804         PRVM_G_FLOAT(OFS_RETURN) = 1;
3805 }
3806 /*
3807 =========
3808 VM_drawsubpic
3809
3810 float   drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
3811
3812 =========
3813 */
3814 void VM_drawsubpic(prvm_prog_t *prog)
3815 {
3816         const char *picname;
3817         prvm_vec_t *size, *pos, *rgb, *srcPos, *srcSize, alpha;
3818         int flag;
3819
3820         VM_SAFEPARMCOUNT(8,VM_drawsubpic);
3821
3822         picname = PRVM_G_STRING(OFS_PARM2);
3823         VM_CheckEmptyString(prog, picname);
3824
3825         // is pic cached ? no function yet for that
3826         if(!1)
3827         {
3828                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3829                 VM_Warning(prog, "VM_drawsubpic: %s: %s not cached !\n", prog->name, picname);
3830                 return;
3831         }
3832
3833         pos = PRVM_G_VECTOR(OFS_PARM0);
3834         size = PRVM_G_VECTOR(OFS_PARM1);
3835         srcPos = PRVM_G_VECTOR(OFS_PARM3);
3836         srcSize = PRVM_G_VECTOR(OFS_PARM4);
3837         rgb = PRVM_G_VECTOR(OFS_PARM5);
3838         alpha = PRVM_G_FLOAT(OFS_PARM6);
3839         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3840
3841         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3842         {
3843                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3844                 VM_Warning(prog, "VM_drawsubpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3845                 return;
3846         }
3847
3848         if(pos[2] || size[2])
3849                 VM_Warning(prog, "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")));
3850
3851         DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT),
3852                 size[0], size[1],
3853                 srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3854                 srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3855                 srcPos[0],              srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3856                 srcPos[0] + srcSize[0], srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3857                 flag);
3858         PRVM_G_FLOAT(OFS_RETURN) = 1;
3859 }
3860
3861 /*
3862 =========
3863 VM_drawfill
3864
3865 float drawfill(vector position, vector size, vector rgb, float alpha, float flag)
3866 =========
3867 */
3868 void VM_drawfill(prvm_prog_t *prog)
3869 {
3870         prvm_vec_t *size, *pos, *rgb;
3871         int flag;
3872
3873         VM_SAFEPARMCOUNT(5,VM_drawfill);
3874
3875
3876         pos = PRVM_G_VECTOR(OFS_PARM0);
3877         size = PRVM_G_VECTOR(OFS_PARM1);
3878         rgb = PRVM_G_VECTOR(OFS_PARM2);
3879         flag = (int) PRVM_G_FLOAT(OFS_PARM4);
3880
3881         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3882         {
3883                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3884                 VM_Warning(prog, "VM_drawfill: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3885                 return;
3886         }
3887
3888         if(pos[2] || size[2])
3889                 VM_Warning(prog, "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")));
3890
3891         DrawQ_Fill(pos[0], pos[1], size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
3892         PRVM_G_FLOAT(OFS_RETURN) = 1;
3893 }
3894
3895 /*
3896 =========
3897 VM_drawsetcliparea
3898
3899 drawsetcliparea(float x, float y, float width, float height)
3900 =========
3901 */
3902 void VM_drawsetcliparea(prvm_prog_t *prog)
3903 {
3904         float x,y,w,h;
3905         VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
3906
3907         x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
3908         y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
3909         w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
3910         h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
3911
3912         DrawQ_SetClipArea(x, y, w, h);
3913 }
3914
3915 /*
3916 =========
3917 VM_drawresetcliparea
3918
3919 drawresetcliparea()
3920 =========
3921 */
3922 void VM_drawresetcliparea(prvm_prog_t *prog)
3923 {
3924         VM_SAFEPARMCOUNT(0,VM_drawresetcliparea);
3925
3926         DrawQ_ResetClipArea();
3927 }
3928
3929 /*
3930 =========
3931 VM_getimagesize
3932
3933 vector  getimagesize(string pic)
3934 =========
3935 */
3936 void VM_getimagesize(prvm_prog_t *prog)
3937 {
3938         const char *p;
3939         cachepic_t *pic;
3940
3941         VM_SAFEPARMCOUNT(1,VM_getimagesize);
3942
3943         p = PRVM_G_STRING(OFS_PARM0);
3944         VM_CheckEmptyString(prog, p);
3945
3946         pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
3947         if( pic->tex == r_texture_notexture )
3948         {
3949                 PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
3950                 PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
3951         }
3952         else
3953         {
3954                 PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
3955                 PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
3956         }
3957         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
3958 }
3959
3960 /*
3961 =========
3962 VM_keynumtostring
3963
3964 string keynumtostring(float keynum)
3965 =========
3966 */
3967 void VM_keynumtostring (prvm_prog_t *prog)
3968 {
3969         char tinystr[2];
3970         VM_SAFEPARMCOUNT(1, VM_keynumtostring);
3971
3972         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0), tinystr, sizeof(tinystr)));
3973 }
3974
3975 /*
3976 =========
3977 VM_findkeysforcommand
3978
3979 string  findkeysforcommand(string command, float bindmap)
3980
3981 the returned string is an altstring
3982 =========
3983 */
3984 #define FKFC_NUMKEYS 5
3985 void M_FindKeysForCommand(const char *command, int *keys);
3986 void VM_findkeysforcommand(prvm_prog_t *prog)
3987 {
3988         const char *cmd;
3989         char ret[VM_STRINGTEMP_LENGTH];
3990         int keys[FKFC_NUMKEYS];
3991         int i;
3992         int bindmap;
3993         char vabuf[1024];
3994
3995         VM_SAFEPARMCOUNTRANGE(1, 2, VM_findkeysforcommand);
3996
3997         cmd = PRVM_G_STRING(OFS_PARM0);
3998         if(prog->argc == 2)
3999                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4000         else
4001                 bindmap = 0; // consistent to "bind"
4002
4003         VM_CheckEmptyString(prog, cmd);
4004
4005         Key_FindKeysForCommand(cmd, keys, FKFC_NUMKEYS, bindmap);
4006
4007         ret[0] = 0;
4008         for(i = 0; i < FKFC_NUMKEYS; i++)
4009                 strlcat(ret, va(vabuf, sizeof(vabuf), " \'%i\'", keys[i]), sizeof(ret));
4010
4011         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, ret);
4012 }
4013
4014 /*
4015 =========
4016 VM_stringtokeynum
4017
4018 float stringtokeynum(string key)
4019 =========
4020 */
4021 void VM_stringtokeynum (prvm_prog_t *prog)
4022 {
4023         VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
4024
4025         PRVM_G_FLOAT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
4026 }
4027
4028 /*
4029 =========
4030 VM_getkeybind
4031
4032 string getkeybind(float key, float bindmap)
4033 =========
4034 */
4035 void VM_getkeybind (prvm_prog_t *prog)
4036 {
4037         int bindmap;
4038         VM_SAFEPARMCOUNTRANGE(1, 2, VM_CL_getkeybind);
4039         if(prog->argc == 2)
4040                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4041         else
4042                 bindmap = 0; // consistent to "bind"
4043
4044         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0), bindmap));
4045 }
4046
4047 /*
4048 =========
4049 VM_setkeybind
4050
4051 float setkeybind(float key, string cmd, float bindmap)
4052 =========
4053 */
4054 void VM_setkeybind (prvm_prog_t *prog)
4055 {
4056         int bindmap;
4057         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_setkeybind);
4058         if(prog->argc == 3)
4059                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM2), MAX_BINDMAPS-1);
4060         else
4061                 bindmap = 0; // consistent to "bind"
4062
4063         PRVM_G_FLOAT(OFS_RETURN) = 0;
4064         if(Key_SetBinding((int)PRVM_G_FLOAT(OFS_PARM0), bindmap, PRVM_G_STRING(OFS_PARM1)))
4065                 PRVM_G_FLOAT(OFS_RETURN) = 1;
4066 }
4067
4068 /*
4069 =========
4070 VM_getbindmap
4071
4072 vector getbindmaps()
4073 =========
4074 */
4075 void VM_getbindmaps (prvm_prog_t *prog)
4076 {
4077         int fg, bg;
4078         VM_SAFEPARMCOUNT(0, VM_CL_getbindmap);
4079         Key_GetBindMap(&fg, &bg);
4080         PRVM_G_VECTOR(OFS_RETURN)[0] = fg;
4081         PRVM_G_VECTOR(OFS_RETURN)[1] = bg;
4082         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4083 }
4084
4085 /*
4086 =========
4087 VM_setbindmap
4088
4089 float setbindmaps(vector bindmap)
4090 =========
4091 */
4092 void VM_setbindmaps (prvm_prog_t *prog)
4093 {
4094         VM_SAFEPARMCOUNT(1, VM_CL_setbindmap);
4095         PRVM_G_FLOAT(OFS_RETURN) = 0;
4096         if(PRVM_G_VECTOR(OFS_PARM0)[2] == 0)
4097                 if(Key_SetBindMap((int)PRVM_G_VECTOR(OFS_PARM0)[0], (int)PRVM_G_VECTOR(OFS_PARM0)[1]))
4098                         PRVM_G_FLOAT(OFS_RETURN) = 1;
4099 }
4100
4101 // CL_Video interface functions
4102
4103 /*
4104 ========================
4105 VM_cin_open
4106
4107 float cin_open(string file, string name)
4108 ========================
4109 */
4110 void VM_cin_open(prvm_prog_t *prog)
4111 {
4112         const char *file;
4113         const char *name;
4114
4115         VM_SAFEPARMCOUNT( 2, VM_cin_open );
4116
4117         file = PRVM_G_STRING( OFS_PARM0 );
4118         name = PRVM_G_STRING( OFS_PARM1 );
4119
4120         VM_CheckEmptyString(prog,  file );
4121     VM_CheckEmptyString(prog,  name );
4122
4123         if( CL_OpenVideo( file, name, MENUOWNER, "" ) )
4124                 PRVM_G_FLOAT( OFS_RETURN ) = 1;
4125         else
4126                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4127 }
4128
4129 /*
4130 ========================
4131 VM_cin_close
4132
4133 void cin_close(string name)
4134 ========================
4135 */
4136 void VM_cin_close(prvm_prog_t *prog)
4137 {
4138         const char *name;
4139
4140         VM_SAFEPARMCOUNT( 1, VM_cin_close );
4141
4142         name = PRVM_G_STRING( OFS_PARM0 );
4143         VM_CheckEmptyString(prog,  name );
4144
4145         CL_CloseVideo( CL_GetVideoByName( name ) );
4146 }
4147
4148 /*
4149 ========================
4150 VM_cin_setstate
4151 void cin_setstate(string name, float type)
4152 ========================
4153 */
4154 void VM_cin_setstate(prvm_prog_t *prog)
4155 {
4156         const char *name;
4157         clvideostate_t  state;
4158         clvideo_t               *video;
4159
4160         VM_SAFEPARMCOUNT( 2, VM_cin_netstate );
4161
4162         name = PRVM_G_STRING( OFS_PARM0 );
4163         VM_CheckEmptyString(prog,  name );
4164
4165         state = (clvideostate_t)((int)PRVM_G_FLOAT( OFS_PARM1 ));
4166
4167         video = CL_GetVideoByName( name );
4168         if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
4169                 CL_SetVideoState( video, state );
4170 }
4171
4172 /*
4173 ========================
4174 VM_cin_getstate
4175
4176 float cin_getstate(string name)
4177 ========================
4178 */
4179 void VM_cin_getstate(prvm_prog_t *prog)
4180 {
4181         const char *name;
4182         clvideo_t               *video;
4183
4184         VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
4185
4186         name = PRVM_G_STRING( OFS_PARM0 );
4187         VM_CheckEmptyString(prog,  name );
4188
4189         video = CL_GetVideoByName( name );
4190         if( video )
4191                 PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
4192         else
4193                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4194 }
4195
4196 /*
4197 ========================
4198 VM_cin_restart
4199
4200 void cin_restart(string name)
4201 ========================
4202 */
4203 void VM_cin_restart(prvm_prog_t *prog)
4204 {
4205         const char *name;
4206         clvideo_t               *video;
4207
4208         VM_SAFEPARMCOUNT( 1, VM_cin_restart );
4209
4210         name = PRVM_G_STRING( OFS_PARM0 );
4211         VM_CheckEmptyString(prog,  name );
4212
4213         video = CL_GetVideoByName( name );
4214         if( video )
4215                 CL_RestartVideo( video );
4216 }
4217
4218 /*
4219 ========================
4220 VM_gecko_create
4221
4222 float[bool] gecko_create( string name )
4223 ========================
4224 */
4225 void VM_gecko_create(prvm_prog_t *prog) {
4226         // REMOVED
4227         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4228 }
4229
4230 /*
4231 ========================
4232 VM_gecko_destroy
4233
4234 void gecko_destroy( string name )
4235 ========================
4236 */
4237 void VM_gecko_destroy(prvm_prog_t *prog) {
4238         // REMOVED
4239 }
4240
4241 /*
4242 ========================
4243 VM_gecko_navigate
4244
4245 void gecko_navigate( string name, string URI )
4246 ========================
4247 */
4248 void VM_gecko_navigate(prvm_prog_t *prog) {
4249         // REMOVED
4250 }
4251
4252 /*
4253 ========================
4254 VM_gecko_keyevent
4255
4256 float[bool] gecko_keyevent( string name, float key, float eventtype )
4257 ========================
4258 */
4259 void VM_gecko_keyevent(prvm_prog_t *prog) {
4260         // REMOVED
4261         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4262 }
4263
4264 /*
4265 ========================
4266 VM_gecko_movemouse
4267
4268 void gecko_mousemove( string name, float x, float y )
4269 ========================
4270 */
4271 void VM_gecko_movemouse(prvm_prog_t *prog) {
4272         // REMOVED
4273 }
4274
4275
4276 /*
4277 ========================
4278 VM_gecko_resize
4279
4280 void gecko_resize( string name, float w, float h )
4281 ========================
4282 */
4283 void VM_gecko_resize(prvm_prog_t *prog) {
4284         // REMOVED
4285 }
4286
4287
4288 /*
4289 ========================
4290 VM_gecko_get_texture_extent
4291
4292 vector gecko_get_texture_extent( string name )
4293 ========================
4294 */
4295 void VM_gecko_get_texture_extent(prvm_prog_t *prog) {
4296         // REMOVED
4297         PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
4298         PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
4299 }
4300
4301
4302
4303 /*
4304 ==============
4305 VM_makevectors
4306
4307 Writes new values for v_forward, v_up, and v_right based on angles
4308 void makevectors(vector angle)
4309 ==============
4310 */
4311 void VM_makevectors (prvm_prog_t *prog)
4312 {
4313         vec3_t angles, forward, right, up;
4314         VM_SAFEPARMCOUNT(1, VM_makevectors);
4315         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), angles);
4316         AngleVectors(angles, forward, right, up);
4317         VectorCopy(forward, PRVM_gameglobalvector(v_forward));
4318         VectorCopy(right, PRVM_gameglobalvector(v_right));
4319         VectorCopy(up, PRVM_gameglobalvector(v_up));
4320 }
4321
4322 /*
4323 ==============
4324 VM_vectorvectors
4325
4326 Writes new values for v_forward, v_up, and v_right based on the given forward vector
4327 vectorvectors(vector)
4328 ==============
4329 */
4330 void VM_vectorvectors (prvm_prog_t *prog)
4331 {
4332         vec3_t forward, right, up;
4333         VM_SAFEPARMCOUNT(1, VM_vectorvectors);
4334         VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), forward);
4335         VectorVectors(forward, right, up);
4336         VectorCopy(forward, PRVM_gameglobalvector(v_forward));
4337         VectorCopy(right, PRVM_gameglobalvector(v_right));
4338         VectorCopy(up, PRVM_gameglobalvector(v_up));
4339 }
4340
4341 /*
4342 ========================
4343 VM_drawline
4344
4345 void drawline(float width, vector pos1, vector pos2, vector rgb, float alpha, float flags)
4346 ========================
4347 */
4348 void VM_drawline (prvm_prog_t *prog)
4349 {
4350         prvm_vec_t      *c1, *c2, *rgb;
4351         float   alpha, width;
4352         unsigned char   flags;
4353
4354         VM_SAFEPARMCOUNT(6, VM_drawline);
4355         width   = PRVM_G_FLOAT(OFS_PARM0);
4356         c1              = PRVM_G_VECTOR(OFS_PARM1);
4357         c2              = PRVM_G_VECTOR(OFS_PARM2);
4358         rgb             = PRVM_G_VECTOR(OFS_PARM3);
4359         alpha   = PRVM_G_FLOAT(OFS_PARM4);
4360         flags   = (int)PRVM_G_FLOAT(OFS_PARM5);
4361         DrawQ_Line(width, c1[0], c1[1], c2[0], c2[1], rgb[0], rgb[1], rgb[2], alpha, flags);
4362 }
4363
4364 // float(float number, float quantity) bitshift (EXT_BITSHIFT)
4365 void VM_bitshift (prvm_prog_t *prog)
4366 {
4367         prvm_int_t n1, n2;
4368         VM_SAFEPARMCOUNT(2, VM_bitshift);
4369
4370         n1 = (prvm_int_t)fabs((prvm_vec_t)((prvm_int_t)PRVM_G_FLOAT(OFS_PARM0)));
4371         n2 = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM1);
4372         if(!n1)
4373                 PRVM_G_FLOAT(OFS_RETURN) = n1;
4374         else
4375         if(n2 < 0)
4376                 PRVM_G_FLOAT(OFS_RETURN) = (n1 >> -n2);
4377         else
4378                 PRVM_G_FLOAT(OFS_RETURN) = (n1 << n2);
4379 }
4380
4381 ////////////////////////////////////////
4382 // AltString functions
4383 ////////////////////////////////////////
4384
4385 /*
4386 ========================
4387 VM_altstr_count
4388
4389 float altstr_count(string)
4390 ========================
4391 */
4392 void VM_altstr_count(prvm_prog_t *prog)
4393 {
4394         const char *altstr, *pos;
4395         int     count;
4396
4397         VM_SAFEPARMCOUNT( 1, VM_altstr_count );
4398
4399         altstr = PRVM_G_STRING( OFS_PARM0 );
4400         //VM_CheckEmptyString(prog,  altstr );
4401
4402         for( count = 0, pos = altstr ; *pos ; pos++ ) {
4403                 if( *pos == '\\' ) {
4404                         if( !*++pos ) {
4405                                 break;
4406                         }
4407                 } else if( *pos == '\'' ) {
4408                         count++;
4409                 }
4410         }
4411
4412         PRVM_G_FLOAT( OFS_RETURN ) = (prvm_vec_t) (count / 2);
4413 }
4414
4415 /*
4416 ========================
4417 VM_altstr_prepare
4418
4419 string altstr_prepare(string)
4420 ========================
4421 */
4422 void VM_altstr_prepare(prvm_prog_t *prog)
4423 {
4424         char *out;
4425         const char *instr, *in;
4426         int size;
4427         char outstr[VM_STRINGTEMP_LENGTH];
4428
4429         VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
4430
4431         instr = PRVM_G_STRING( OFS_PARM0 );
4432
4433         for( out = outstr, in = instr, size = sizeof(outstr) - 1 ; size && *in ; size--, in++, out++ )
4434                 if( *in == '\'' ) {
4435                         *out++ = '\\';
4436                         *out = '\'';
4437                         size--;
4438                 } else
4439                         *out = *in;
4440         *out = 0;
4441
4442         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4443 }
4444
4445 /*
4446 ========================
4447 VM_altstr_get
4448
4449 string altstr_get(string, float)
4450 ========================
4451 */
4452 void VM_altstr_get(prvm_prog_t *prog)
4453 {
4454         const char *altstr, *pos;
4455         char *out;
4456         int count, size;
4457         char outstr[VM_STRINGTEMP_LENGTH];
4458
4459         VM_SAFEPARMCOUNT( 2, VM_altstr_get );
4460
4461         altstr = PRVM_G_STRING( OFS_PARM0 );
4462
4463         count = (int)PRVM_G_FLOAT( OFS_PARM1 );
4464         count = count * 2 + 1;
4465
4466         for( pos = altstr ; *pos && count ; pos++ )
4467                 if( *pos == '\\' ) {
4468                         if( !*++pos )
4469                                 break;
4470                 } else if( *pos == '\'' )
4471                         count--;
4472
4473         if( !*pos ) {
4474                 PRVM_G_INT( OFS_RETURN ) = 0;
4475                 return;
4476         }
4477
4478         for( out = outstr, size = sizeof(outstr) - 1 ; size && *pos ; size--, pos++, out++ )
4479                 if( *pos == '\\' ) {
4480                         if( !*++pos )
4481                                 break;
4482                         *out = *pos;
4483                         size--;
4484                 } else if( *pos == '\'' )
4485                         break;
4486                 else
4487                         *out = *pos;
4488
4489         *out = 0;
4490         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4491 }
4492
4493 /*
4494 ========================
4495 VM_altstr_set
4496
4497 string altstr_set(string altstr, float num, string set)
4498 ========================
4499 */
4500 void VM_altstr_set(prvm_prog_t *prog)
4501 {
4502     int num;
4503         const char *altstr, *str;
4504         const char *in;
4505         char *out;
4506         char outstr[VM_STRINGTEMP_LENGTH];
4507
4508         VM_SAFEPARMCOUNT( 3, VM_altstr_set );
4509
4510         altstr = PRVM_G_STRING( OFS_PARM0 );
4511
4512         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4513
4514         str = PRVM_G_STRING( OFS_PARM2 );
4515
4516         out = outstr;
4517         for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
4518                 if( *in == '\\' ) {
4519                         if( !*++in ) {
4520                                 break;
4521                         }
4522                 } else if( *in == '\'' ) {
4523                         num--;
4524                 }
4525
4526         // copy set in
4527         for( ; *str; *out++ = *str++ );
4528         // now jump over the old content
4529         for( ; *in ; in++ )
4530                 if( *in == '\'' || (*in == '\\' && !*++in) )
4531                         break;
4532
4533         strlcpy(out, in, outstr + sizeof(outstr) - out);
4534         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4535 }
4536
4537 /*
4538 ========================
4539 VM_altstr_ins
4540 insert after num
4541 string  altstr_ins(string altstr, float num, string set)
4542 ========================
4543 */
4544 void VM_altstr_ins(prvm_prog_t *prog)
4545 {
4546         int num;
4547         const char *set;
4548         const char *in;
4549         char *out;
4550         char outstr[VM_STRINGTEMP_LENGTH];
4551
4552         VM_SAFEPARMCOUNT(3, VM_altstr_ins);
4553
4554         in = PRVM_G_STRING( OFS_PARM0 );
4555         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4556         set = PRVM_G_STRING( OFS_PARM2 );
4557
4558         out = outstr;
4559         for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
4560                 if( *in == '\\' ) {
4561                         if( !*++in ) {
4562                                 break;
4563                         }
4564                 } else if( *in == '\'' ) {
4565                         num--;
4566                 }
4567
4568         *out++ = '\'';
4569         for( ; *set ; *out++ = *set++ );
4570         *out++ = '\'';
4571
4572         strlcpy(out, in, outstr + sizeof(outstr) - out);
4573         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4574 }
4575
4576
4577 ////////////////////////////////////////
4578 // BufString functions
4579 ////////////////////////////////////////
4580 //[515]: string buffers support
4581
4582 static size_t stringbuffers_sortlength;
4583
4584 static void BufStr_Expand(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer, int strindex)
4585 {
4586         if (stringbuffer->max_strings <= strindex)
4587         {
4588                 char **oldstrings = stringbuffer->strings;
4589                 stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
4590                 while (stringbuffer->max_strings <= strindex)
4591                         stringbuffer->max_strings *= 2;
4592                 stringbuffer->strings = (char **) Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
4593                 if (stringbuffer->num_strings > 0)
4594                         memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
4595                 if (oldstrings)
4596                         Mem_Free(oldstrings);
4597         }
4598 }
4599
4600 static void BufStr_Shrink(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer)
4601 {
4602         // reduce num_strings if there are empty string slots at the end
4603         while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
4604                 stringbuffer->num_strings--;
4605
4606         // if empty, free the string pointer array
4607         if (stringbuffer->num_strings == 0)
4608         {
4609                 stringbuffer->max_strings = 0;
4610                 if (stringbuffer->strings)
4611                         Mem_Free(stringbuffer->strings);
4612                 stringbuffer->strings = NULL;
4613         }
4614 }
4615
4616 static int BufStr_SortStringsUP (const void *in1, const void *in2)
4617 {
4618         const char *a, *b;
4619         a = *((const char **) in1);
4620         b = *((const char **) in2);
4621         if(!a || !a[0]) return 1;
4622         if(!b || !b[0]) return -1;
4623         return strncmp(a, b, stringbuffers_sortlength);
4624 }
4625
4626 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
4627 {
4628         const char *a, *b;
4629         a = *((const char **) in1);
4630         b = *((const char **) in2);
4631         if(!a || !a[0]) return 1;
4632         if(!b || !b[0]) return -1;
4633         return strncmp(b, a, stringbuffers_sortlength);
4634 }
4635
4636 prvm_stringbuffer_t *BufStr_FindCreateReplace (prvm_prog_t *prog, int bufindex, int flags, char *format)
4637 {
4638         prvm_stringbuffer_t *stringbuffer;
4639         int i;
4640
4641         if (bufindex < 0)
4642                 return NULL;
4643
4644         // find buffer with wanted index
4645         if (bufindex < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray))
4646         {
4647                 if ( (stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, bufindex)) )
4648                 {
4649                         if (stringbuffer->flags & STRINGBUFFER_TEMP)
4650                                 stringbuffer->flags = flags; // created but has not been used yet
4651                         return stringbuffer;
4652                 }
4653                 return NULL;
4654         }
4655
4656         // allocate new buffer with wanted index
4657         while(1)
4658         {
4659                 stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4660                 stringbuffer->flags = STRINGBUFFER_TEMP;
4661                 for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4662                 if (i == bufindex)
4663                 {
4664                         stringbuffer->flags = flags; // mark as used
4665                         break;
4666                 }
4667         }
4668         return stringbuffer;
4669 }
4670
4671 void BufStr_Set(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer, int strindex, const char *str)
4672 {
4673         size_t  alloclen;
4674
4675         if (!stringbuffer || strindex < 0)
4676                 return;
4677
4678         BufStr_Expand(prog, stringbuffer, strindex);
4679         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
4680         if (stringbuffer->strings[strindex])
4681                 Mem_Free(stringbuffer->strings[strindex]);
4682         stringbuffer->strings[strindex] = NULL;
4683
4684         if (str)
4685         {
4686                 // not the NULL string!
4687                 alloclen = strlen(str) + 1;
4688                 stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
4689                 memcpy(stringbuffer->strings[strindex], str, alloclen);
4690         }
4691
4692         BufStr_Shrink(prog, stringbuffer);
4693 }
4694
4695 void BufStr_Del(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer)
4696 {
4697         int i;
4698
4699         if (!stringbuffer)
4700                 return;
4701
4702         for (i = 0;i < stringbuffer->num_strings;i++)
4703                 if (stringbuffer->strings[i])
4704                         Mem_Free(stringbuffer->strings[i]);
4705         if (stringbuffer->strings)
4706                 Mem_Free(stringbuffer->strings);
4707         if(stringbuffer->origin)
4708                 PRVM_Free((char *)stringbuffer->origin);
4709         Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
4710 }
4711
4712 void BufStr_Flush(prvm_prog_t *prog)
4713 {
4714         prvm_stringbuffer_t *stringbuffer;
4715         int i, numbuffers;
4716
4717         numbuffers = Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray);
4718         for (i = 0; i < numbuffers; i++)
4719                 if ( (stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i)) )
4720                         BufStr_Del(prog, stringbuffer);
4721         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
4722 }
4723
4724 /*
4725 ========================
4726 VM_buf_create
4727 creates new buffer, and returns it's index, returns -1 if failed
4728 float buf_create(prvm_prog_t *prog) = #460;
4729 float newbuf(string format, float flags) = #460;
4730 ========================
4731 */
4732
4733 void VM_buf_create (prvm_prog_t *prog)
4734 {
4735         prvm_stringbuffer_t *stringbuffer;
4736         int i;
4737
4738         VM_SAFEPARMCOUNTRANGE(0, 2, VM_buf_create);
4739
4740         // VorteX: optional parm1 (buffer format) is unfinished, to keep intact with future databuffers extension must be set to "string"
4741         if(prog->argc >= 1 && strcmp(PRVM_G_STRING(OFS_PARM0), "string"))
4742         {
4743                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4744                 return;
4745         }
4746         stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4747         for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4748         stringbuffer->origin = PRVM_AllocationOrigin(prog);
4749         // optional flags parm
4750         if (prog->argc >= 2)
4751                 stringbuffer->flags = (int)PRVM_G_FLOAT(OFS_PARM1) & STRINGBUFFER_QCFLAGS;
4752         PRVM_G_FLOAT(OFS_RETURN) = i;
4753 }
4754
4755
4756
4757 /*
4758 ========================
4759 VM_buf_del
4760 deletes buffer and all strings in it
4761 void buf_del(float bufhandle) = #461;
4762 ========================
4763 */
4764 void VM_buf_del (prvm_prog_t *prog)
4765 {
4766         prvm_stringbuffer_t *stringbuffer;
4767         VM_SAFEPARMCOUNT(1, VM_buf_del);
4768         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4769         if (stringbuffer)
4770                 BufStr_Del(prog, stringbuffer);
4771         else
4772         {
4773                 VM_Warning(prog, "VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4774                 return;
4775         }
4776 }
4777
4778 /*
4779 ========================
4780 VM_buf_getsize
4781 how many strings are stored in buffer
4782 float buf_getsize(float bufhandle) = #462;
4783 ========================
4784 */
4785 void VM_buf_getsize (prvm_prog_t *prog)
4786 {
4787         prvm_stringbuffer_t *stringbuffer;
4788         VM_SAFEPARMCOUNT(1, VM_buf_getsize);
4789
4790         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4791         if(!stringbuffer)
4792         {
4793                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4794                 VM_Warning(prog, "VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4795                 return;
4796         }
4797         else
4798                 PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
4799 }
4800
4801 /*
4802 ========================
4803 VM_buf_copy
4804 copy all content from one buffer to another, make sure it exists
4805 void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
4806 ========================
4807 */
4808 void VM_buf_copy (prvm_prog_t *prog)
4809 {
4810         prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
4811         int i;
4812         VM_SAFEPARMCOUNT(2, VM_buf_copy);
4813
4814         srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4815         if(!srcstringbuffer)
4816         {
4817                 VM_Warning(prog, "VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4818                 return;
4819         }
4820         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4821         if(i == (int)PRVM_G_FLOAT(OFS_PARM0))
4822         {
4823                 VM_Warning(prog, "VM_buf_copy: source == destination (%i) in %s\n", i, prog->name);
4824                 return;
4825         }
4826         dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4827         if(!dststringbuffer)
4828         {
4829                 VM_Warning(prog, "VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
4830                 return;
4831         }
4832
4833         for (i = 0;i < dststringbuffer->num_strings;i++)
4834                 if (dststringbuffer->strings[i])
4835                         Mem_Free(dststringbuffer->strings[i]);
4836         if (dststringbuffer->strings)
4837                 Mem_Free(dststringbuffer->strings);
4838         *dststringbuffer = *srcstringbuffer;
4839         if (dststringbuffer->max_strings)
4840                 dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
4841
4842         for (i = 0;i < dststringbuffer->num_strings;i++)
4843         {
4844                 if (srcstringbuffer->strings[i])
4845                 {
4846                         size_t stringlen;
4847                         stringlen = strlen(srcstringbuffer->strings[i]) + 1;
4848                         dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
4849                         memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
4850                 }
4851         }
4852 }
4853
4854 /*
4855 ========================
4856 VM_buf_sort
4857 sort buffer by beginnings of strings (cmplength defaults it's length)
4858 "backward == TRUE" means that sorting goes upside-down
4859 void buf_sort(float bufhandle, float cmplength, float backward) = #464;
4860 ========================
4861 */
4862 void VM_buf_sort (prvm_prog_t *prog)
4863 {
4864         prvm_stringbuffer_t *stringbuffer;
4865         VM_SAFEPARMCOUNT(3, VM_buf_sort);
4866
4867         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4868         if(!stringbuffer)
4869         {
4870                 VM_Warning(prog, "VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4871                 return;
4872         }
4873         if(stringbuffer->num_strings <= 0)
4874         {
4875                 VM_Warning(prog, "VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4876                 return;
4877         }
4878         stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
4879         if(stringbuffers_sortlength <= 0)
4880                 stringbuffers_sortlength = 0x7FFFFFFF;
4881
4882         if(!PRVM_G_FLOAT(OFS_PARM2))
4883                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
4884         else
4885                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
4886
4887         BufStr_Shrink(prog, stringbuffer);
4888 }
4889
4890 /*
4891 ========================
4892 VM_buf_implode
4893 concantenates all buffer string into one with "glue" separator and returns it as tempstring
4894 string buf_implode(float bufhandle, string glue) = #465;
4895 ========================
4896 */
4897 void VM_buf_implode (prvm_prog_t *prog)
4898 {
4899         prvm_stringbuffer_t *stringbuffer;
4900         char                    k[VM_STRINGTEMP_LENGTH];
4901         const char              *sep;
4902         int                             i;
4903         size_t                  l;
4904         VM_SAFEPARMCOUNT(2, VM_buf_implode);
4905
4906         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4907         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4908         if(!stringbuffer)
4909         {
4910                 VM_Warning(prog, "VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4911                 return;
4912         }
4913         if(!stringbuffer->num_strings)
4914                 return;
4915         sep = PRVM_G_STRING(OFS_PARM1);
4916         k[0] = 0;
4917         for(l = i = 0;i < stringbuffer->num_strings;i++)
4918         {
4919                 if(stringbuffer->strings[i])
4920                 {
4921                         l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
4922                         if (l >= sizeof(k) - 1)
4923                                 break;
4924                         strlcat(k, sep, sizeof(k));
4925                         strlcat(k, stringbuffer->strings[i], sizeof(k));
4926                 }
4927         }
4928         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, k);
4929 }
4930
4931 /*
4932 ========================
4933 VM_bufstr_get
4934 get a string from buffer, returns tempstring, dont str_unzone it!
4935 string bufstr_get(float bufhandle, float string_index) = #465;
4936 ========================
4937 */
4938 void VM_bufstr_get (prvm_prog_t *prog)
4939 {
4940         prvm_stringbuffer_t *stringbuffer;
4941         int                             strindex;
4942         VM_SAFEPARMCOUNT(2, VM_bufstr_get);
4943
4944         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4945         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4946         if(!stringbuffer)
4947         {
4948                 VM_Warning(prog, "VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4949                 return;
4950         }
4951         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4952         if (strindex < 0)
4953         {
4954                 // VM_Warning(prog, "VM_bufstr_get: invalid string index %i used in %s\n", strindex, prog->name);
4955                 return;
4956         }
4957         if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
4958                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, stringbuffer->strings[strindex]);
4959 }
4960
4961 /*
4962 ========================
4963 VM_bufstr_set
4964 copies a string into selected slot of buffer
4965 void bufstr_set(float bufhandle, float string_index, string str) = #466;
4966 ========================
4967 */
4968 void VM_bufstr_set (prvm_prog_t *prog)
4969 {
4970         int                             strindex;
4971         prvm_stringbuffer_t *stringbuffer;
4972         const char              *news;
4973
4974         VM_SAFEPARMCOUNT(3, VM_bufstr_set);
4975
4976         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4977         if(!stringbuffer)
4978         {
4979                 VM_Warning(prog, "VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4980                 return;
4981         }
4982         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4983         if(strindex < 0 || strindex >= 1000000) // huge number of strings
4984         {
4985                 VM_Warning(prog, "VM_bufstr_set: invalid string index %i used in %s\n", strindex, prog->name);
4986                 return;
4987         }
4988
4989         news = PRVM_G_STRING(OFS_PARM2);
4990         BufStr_Set(prog, stringbuffer, strindex, news);
4991 }
4992
4993 /*
4994 ========================
4995 VM_bufstr_add
4996 adds string to buffer in first free slot and returns its index
4997 "order == TRUE" means that string will be added after last "full" slot
4998 float bufstr_add(float bufhandle, string str, float order) = #467;
4999 ========================
5000 */
5001 void VM_bufstr_add (prvm_prog_t *prog)
5002 {
5003         int                             order, strindex;
5004         prvm_stringbuffer_t *stringbuffer;
5005         const char              *string;
5006         size_t                  alloclen;
5007
5008         VM_SAFEPARMCOUNT(3, VM_bufstr_add);
5009
5010         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5011         PRVM_G_FLOAT(OFS_RETURN) = -1;
5012         if(!stringbuffer)
5013         {
5014                 VM_Warning(prog, "VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5015                 return;
5016         }
5017         if(!PRVM_G_INT(OFS_PARM1)) // NULL string
5018         {
5019                 VM_Warning(prog, "VM_bufstr_add: can not add an empty string to buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5020                 return;
5021         }
5022         string = PRVM_G_STRING(OFS_PARM1);
5023         order = (int)PRVM_G_FLOAT(OFS_PARM2);
5024         if(order)
5025                 strindex = stringbuffer->num_strings;
5026         else
5027                 for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
5028                         if (stringbuffer->strings[strindex] == NULL)
5029                                 break;
5030
5031         BufStr_Expand(prog, stringbuffer, strindex);
5032
5033         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5034         alloclen = strlen(string) + 1;
5035         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5036         memcpy(stringbuffer->strings[strindex], string, alloclen);
5037
5038         PRVM_G_FLOAT(OFS_RETURN) = strindex;
5039 }
5040
5041 /*
5042 ========================
5043 VM_bufstr_free
5044 delete string from buffer
5045 void bufstr_free(float bufhandle, float string_index) = #468;
5046 ========================
5047 */
5048 void VM_bufstr_free (prvm_prog_t *prog)
5049 {
5050         int                             i;
5051         prvm_stringbuffer_t     *stringbuffer;
5052         VM_SAFEPARMCOUNT(2, VM_bufstr_free);
5053
5054         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5055         if(!stringbuffer)
5056         {
5057                 VM_Warning(prog, "VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5058                 return;
5059         }
5060         i = (int)PRVM_G_FLOAT(OFS_PARM1);
5061         if(i < 0)
5062         {
5063                 VM_Warning(prog, "VM_bufstr_free: invalid string index %i used in %s\n", i, prog->name);
5064                 return;
5065         }
5066
5067         if (i < stringbuffer->num_strings)
5068         {
5069                 if(stringbuffer->strings[i])
5070                         Mem_Free(stringbuffer->strings[i]);
5071                 stringbuffer->strings[i] = NULL;
5072         }
5073
5074         BufStr_Shrink(prog, stringbuffer);
5075 }
5076
5077 /*
5078 ========================
5079 VM_buf_loadfile
5080 load a file into string buffer, return 0 or 1
5081 float buf_loadfile(string filename, float bufhandle) = #535;
5082 ========================
5083 */
5084 void VM_buf_loadfile(prvm_prog_t *prog)
5085 {
5086         size_t alloclen;
5087         prvm_stringbuffer_t *stringbuffer;
5088         char string[VM_STRINGTEMP_LENGTH];
5089         int filenum, strindex, c, end;
5090         const char *filename;
5091         char vabuf[1024];
5092
5093         VM_SAFEPARMCOUNT(2, VM_buf_loadfile);
5094
5095         // get file
5096         filename = PRVM_G_STRING(OFS_PARM0);
5097         for (filenum = 0;filenum < PRVM_MAX_OPENFILES;filenum++)
5098                 if (prog->openfiles[filenum] == NULL)
5099                         break;
5100         prog->openfiles[filenum] = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "data/%s", filename), false);
5101         if (prog->openfiles[filenum] == NULL)
5102                 prog->openfiles[filenum] = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "%s", filename), false);
5103         if (prog->openfiles[filenum] == NULL)
5104         {
5105                 if (developer_extra.integer)
5106                         VM_Warning(prog, "VM_buf_loadfile: failed to open file %s in %s\n", filename, prog->name);
5107                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5108                 return;
5109         }
5110
5111         // get string buffer
5112         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM1));
5113         if(!stringbuffer)
5114         {
5115                 VM_Warning(prog, "VM_buf_loadfile: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
5116                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5117                 return;
5118         }
5119
5120         // read file (append to the end of buffer)
5121         strindex = stringbuffer->num_strings;
5122         while(1)
5123         {
5124                 // read line
5125                 end = 0;
5126                 for (;;)
5127                 {
5128                         c = FS_Getc(prog->openfiles[filenum]);
5129                         if (c == '\r' || c == '\n' || c < 0)
5130                                 break;
5131                         if (end < VM_STRINGTEMP_LENGTH - 1)
5132                                 string[end++] = c;
5133                 }
5134                 string[end] = 0;
5135                 // remove \n following \r
5136                 if (c == '\r')
5137                 {
5138                         c = FS_Getc(prog->openfiles[filenum]);
5139                         if (c != '\n')
5140                                 FS_UnGetc(prog->openfiles[filenum], (unsigned char)c);
5141                 }
5142                 // add and continue
5143                 if (c >= 0 || end)
5144                 {
5145                         BufStr_Expand(prog, stringbuffer, strindex);
5146                         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5147                         alloclen = strlen(string) + 1;
5148                         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5149                         memcpy(stringbuffer->strings[strindex], string, alloclen);
5150                         strindex = stringbuffer->num_strings;
5151                 }
5152                 else
5153                         break;
5154         }
5155
5156         // close file
5157         FS_Close(prog->openfiles[filenum]);
5158         prog->openfiles[filenum] = NULL;
5159         if (prog->openfiles_origin[filenum])
5160                 PRVM_Free((char *)prog->openfiles_origin[filenum]);
5161         PRVM_G_FLOAT(OFS_RETURN) = 1;
5162 }
5163
5164 /*
5165 ========================
5166 VM_buf_writefile
5167 writes stringbuffer to a file, returns 0 or 1
5168 float buf_writefile(float filehandle, float bufhandle, [, float startpos, float numstrings]) = #468;
5169 ========================
5170 */
5171
5172 void VM_buf_writefile(prvm_prog_t *prog)
5173 {
5174         int filenum, strindex, strnum, strlength;
5175         prvm_stringbuffer_t *stringbuffer;
5176
5177         VM_SAFEPARMCOUNTRANGE(2, 4, VM_buf_writefile);
5178
5179         // get file
5180         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
5181         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
5182         {
5183                 VM_Warning(prog, "VM_buf_writefile: invalid file handle %i used in %s\n", filenum, prog->name);
5184                 return;
5185         }
5186         if (prog->openfiles[filenum] == NULL)
5187         {
5188                 VM_Warning(prog, "VM_buf_writefile: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
5189                 return;
5190         }
5191
5192         // get string buffer
5193         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM1));
5194         if(!stringbuffer)
5195         {
5196                 VM_Warning(prog, "VM_buf_writefile: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
5197                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5198                 return;
5199         }
5200
5201         // get start and end parms
5202         if (prog->argc > 3)
5203         {
5204                 strindex = (int)PRVM_G_FLOAT(OFS_PARM2);
5205                 strnum = (int)PRVM_G_FLOAT(OFS_PARM3);
5206         }
5207         else if (prog->argc > 2)
5208         {
5209                 strindex = (int)PRVM_G_FLOAT(OFS_PARM2);
5210                 strnum = stringbuffer->num_strings - strindex;
5211         }
5212         else
5213         {
5214                 strindex = 0;
5215                 strnum = stringbuffer->num_strings;
5216         }
5217         if (strindex < 0 || strindex >= stringbuffer->num_strings)
5218         {
5219                 VM_Warning(prog, "VM_buf_writefile: wrong start string index %i used in %s\n", strindex, prog->name);
5220                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5221                 return;
5222         }
5223         if (strnum < 0)
5224         {
5225                 VM_Warning(prog, "VM_buf_writefile: wrong strings count %i used in %s\n", strnum, prog->name);
5226                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5227                 return;
5228         }
5229
5230         // write
5231         while(strindex < stringbuffer->num_strings && strnum)
5232         {
5233                 if (stringbuffer->strings[strindex])
5234                 {
5235                         if ((strlength = strlen(stringbuffer->strings[strindex])))
5236                                 FS_Write(prog->openfiles[filenum], stringbuffer->strings[strindex], strlength);
5237                         FS_Write(prog->openfiles[filenum], "\n", 1);
5238                 }
5239                 strindex++;
5240                 strnum--;
5241         }
5242
5243         PRVM_G_FLOAT(OFS_RETURN) = 1;
5244 }
5245
5246 #define MATCH_AUTO     0
5247 #define MATCH_WHOLE    1
5248 #define MATCH_LEFT     2
5249 #define MATCH_RIGHT    3
5250 #define MATCH_MIDDLE   4
5251 #define MATCH_PATTERN  5
5252
5253 static const char *detect_match_rule(char *pattern, int *matchrule)
5254 {
5255         char *ppos, *qpos;
5256         int patternlength;
5257
5258         patternlength = strlen(pattern);
5259         ppos = strchr(pattern, '*');
5260         qpos = strchr(pattern, '?');
5261         // has ? - pattern
5262         if (qpos)
5263         {
5264                 *matchrule = MATCH_PATTERN;
5265                 return pattern;
5266         }
5267         // has * - left, mid, right or pattern
5268         if (ppos)
5269         {
5270                 // starts with * - may be right/mid or pattern
5271                 if ((ppos - pattern) == 0)
5272                 {
5273                         ppos = strchr(pattern+1, '*');
5274                         // *something
5275                         if (!ppos)
5276                         {
5277                                 *matchrule = MATCH_RIGHT;
5278                                 return pattern+1;
5279                         }
5280                         // *something*
5281                         if ((ppos - pattern) == patternlength)
5282                         {
5283                                 *matchrule = MATCH_MIDDLE;
5284                                 *ppos = 0;
5285                                 return pattern+1;
5286                         }
5287                         // *som*thing
5288                         *matchrule = MATCH_PATTERN;
5289                         return pattern;
5290                 }
5291                 // end with * - left
5292                 if ((ppos - pattern) == patternlength)
5293                 {
5294                         *matchrule = MATCH_LEFT;
5295                         *ppos = 0;
5296                         return pattern;
5297                 }
5298                 // som*thing
5299                 *matchrule = MATCH_PATTERN;
5300                 return pattern;
5301         }
5302         // have no wildcards - whole string
5303         *matchrule = MATCH_WHOLE;
5304         return pattern;
5305 }
5306
5307 // todo: support UTF8
5308 static qboolean match_rule(const char *string, int max_string, const char *pattern, int patternlength, int rule)
5309 {
5310         const char *mid;
5311
5312         if (rule == 1)
5313                 return !strncmp(string, pattern, max_string) ? true : false;
5314         if (rule == 2)
5315                 return !strncmp(string, pattern, patternlength) ? true : false;
5316         if (rule == 3)
5317         {
5318                 mid = strstr(string, pattern);
5319                 return mid && !*(mid+patternlength);
5320         }
5321         if (rule == 4)
5322                 return strstr(string, pattern) ? true : false;
5323         // pattern
5324         return matchpattern_with_separator(string, pattern, false, "", false) ? true : false;
5325 }
5326
5327 /*
5328 ========================
5329 VM_bufstr_find
5330 find an index of bufstring matching rule
5331 float bufstr_find(float bufhandle, string match, float matchrule, float startpos, float step) = #468;
5332 ========================
5333 */
5334
5335 void VM_bufstr_find(prvm_prog_t *prog)
5336 {
5337         prvm_stringbuffer_t *stringbuffer;
5338         char string[VM_STRINGTEMP_LENGTH];
5339         int matchrule, matchlen, i, step;
5340         const char *match;
5341
5342         VM_SAFEPARMCOUNTRANGE(3, 5, VM_bufstr_find);
5343
5344         PRVM_G_FLOAT(OFS_RETURN) = -1;
5345
5346         // get string buffer
5347         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5348         if(!stringbuffer)
5349         {
5350                 VM_Warning(prog, "VM_bufstr_find: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5351                 return;
5352         }
5353
5354         // get pattern/rule
5355         matchrule = (int)PRVM_G_FLOAT(OFS_PARM2);
5356         if (matchrule < 0 && matchrule > 5)
5357         {
5358                 VM_Warning(prog, "VM_bufstr_find: invalid match rule %i in %s\n", matchrule, prog->name);
5359                 return;
5360         }
5361         if (matchrule)
5362                 match = PRVM_G_STRING(OFS_PARM1);
5363         else
5364         {
5365                 strlcpy(string, PRVM_G_STRING(OFS_PARM1), sizeof(string));
5366                 match = detect_match_rule(string, &matchrule);
5367         }
5368         matchlen = strlen(match);
5369
5370         // find
5371         i = (prog->argc > 3) ? (int)PRVM_G_FLOAT(OFS_PARM3) : 0;
5372         step = (prog->argc > 4) ? (int)PRVM_G_FLOAT(OFS_PARM4) : 1;
5373         while(i < stringbuffer->num_strings)
5374         {
5375                 if (stringbuffer->strings[i] && match_rule(stringbuffer->strings[i], VM_STRINGTEMP_LENGTH, match, matchlen, matchrule))
5376                 {
5377                         PRVM_G_FLOAT(OFS_RETURN) = i;
5378                         break;
5379                 }
5380                 i += step;
5381         }
5382 }
5383
5384 /*
5385 ========================
5386 VM_matchpattern
5387 float matchpattern(string s, string pattern, float matchrule, float startpos) = #468;
5388 ========================
5389 */
5390 void VM_matchpattern(prvm_prog_t *prog)
5391 {
5392         const char *s, *match;
5393         char string[VM_STRINGTEMP_LENGTH];
5394         int matchrule, l;
5395
5396         VM_SAFEPARMCOUNTRANGE(2, 4, VM_matchpattern);
5397
5398         s = PRVM_G_STRING(OFS_PARM0);
5399
5400         // get pattern/rule
5401         matchrule = (int)PRVM_G_FLOAT(OFS_PARM2);
5402         if (matchrule < 0 && matchrule > 5)
5403         {
5404                 VM_Warning(prog, "VM_bufstr_find: invalid match rule %i in %s\n", matchrule, prog->name);
5405                 return;
5406         }
5407         if (matchrule)
5408                 match = PRVM_G_STRING(OFS_PARM1);
5409         else
5410         {
5411                 strlcpy(string, PRVM_G_STRING(OFS_PARM1), sizeof(string));
5412                 match = detect_match_rule(string, &matchrule);
5413         }
5414
5415         // offset
5416         l = strlen(match);
5417         if (prog->argc > 3)
5418                 s += max(0, min((unsigned int)PRVM_G_FLOAT(OFS_PARM3), strlen(s)-1));
5419
5420         // match
5421         PRVM_G_FLOAT(OFS_RETURN) = match_rule(s, VM_STRINGTEMP_LENGTH, match, l, matchrule);
5422 }
5423
5424 /*
5425 ========================
5426 VM_buf_cvarlist
5427 ========================
5428 */
5429
5430 void VM_buf_cvarlist(prvm_prog_t *prog)
5431 {
5432         cvar_t *cvar;
5433         const char *partial, *antipartial;
5434         size_t len, antilen;
5435         size_t alloclen;
5436         qboolean ispattern, antiispattern;
5437         int n;
5438         prvm_stringbuffer_t     *stringbuffer;
5439         VM_SAFEPARMCOUNTRANGE(2, 3, VM_buf_cvarlist);
5440
5441         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5442         if(!stringbuffer)
5443         {
5444                 VM_Warning(prog, "VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5445                 return;
5446         }
5447
5448         partial = PRVM_G_STRING(OFS_PARM1);
5449         if(!partial)
5450                 len = 0;
5451         else
5452                 len = strlen(partial);
5453
5454         if(prog->argc == 3)
5455                 antipartial = PRVM_G_STRING(OFS_PARM2);
5456         else
5457                 antipartial = NULL;
5458         if(!antipartial)
5459                 antilen = 0;
5460         else
5461                 antilen = strlen(antipartial);
5462
5463         for (n = 0;n < stringbuffer->num_strings;n++)
5464                 if (stringbuffer->strings[n])
5465                         Mem_Free(stringbuffer->strings[n]);
5466         if (stringbuffer->strings)
5467                 Mem_Free(stringbuffer->strings);
5468         stringbuffer->strings = NULL;
5469
5470         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
5471         antiispattern = antipartial && (strchr(antipartial, '*') || strchr(antipartial, '?'));
5472
5473         n = 0;
5474         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5475         {
5476                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5477                         continue;
5478
5479                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5480                         continue;
5481
5482                 ++n;
5483         }
5484
5485         stringbuffer->max_strings = stringbuffer->num_strings = n;
5486         if (stringbuffer->max_strings)
5487                 stringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(stringbuffer->strings[0]) * stringbuffer->max_strings);
5488
5489         n = 0;
5490         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5491         {
5492                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5493                         continue;
5494
5495                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5496                         continue;
5497
5498                 alloclen = strlen(cvar->name) + 1;
5499                 stringbuffer->strings[n] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5500                 memcpy(stringbuffer->strings[n], cvar->name, alloclen);
5501
5502                 ++n;
5503         }
5504 }
5505
5506
5507
5508
5509 //=============
5510
5511 /*
5512 ==============
5513 VM_changeyaw
5514
5515 This was a major timewaster in progs, so it was converted to C
5516 ==============
5517 */
5518 void VM_changeyaw (prvm_prog_t *prog)
5519 {
5520         prvm_edict_t            *ent;
5521         float           ideal, current, move, speed;
5522
5523         // this is called (VERY HACKISHLY) by VM_SV_MoveToGoal, so it can not use any
5524         // parameters because they are the parameters to VM_SV_MoveToGoal, not this
5525         //VM_SAFEPARMCOUNT(0, VM_changeyaw);
5526
5527         ent = PRVM_PROG_TO_EDICT(PRVM_gameglobaledict(self));
5528         if (ent == prog->edicts)
5529         {
5530                 VM_Warning(prog, "changeyaw: can not modify world entity\n");
5531                 return;
5532         }
5533         if (ent->priv.server->free)
5534         {
5535                 VM_Warning(prog, "changeyaw: can not modify free entity\n");
5536                 return;
5537         }
5538         current = PRVM_gameedictvector(ent, angles)[1];
5539         current = ANGLEMOD(current);
5540         ideal = PRVM_gameedictfloat(ent, ideal_yaw);
5541         speed = PRVM_gameedictfloat(ent, yaw_speed);
5542
5543         if (current == ideal)
5544                 return;
5545         move = ideal - current;
5546         if (ideal > current)
5547         {
5548                 if (move >= 180)
5549                         move = move - 360;
5550         }
5551         else
5552         {
5553                 if (move <= -180)
5554                         move = move + 360;
5555         }
5556         if (move > 0)
5557         {
5558                 if (move > speed)
5559                         move = speed;
5560         }
5561         else
5562         {
5563                 if (move < -speed)
5564                         move = -speed;
5565         }
5566
5567         current += move;
5568         PRVM_gameedictvector(ent, angles)[1] = ANGLEMOD(current);
5569 }
5570
5571 /*
5572 ==============
5573 VM_changepitch
5574 ==============
5575 */
5576 void VM_changepitch (prvm_prog_t *prog)
5577 {
5578         prvm_edict_t            *ent;
5579         float           ideal, current, move, speed;
5580
5581         VM_SAFEPARMCOUNT(1, VM_changepitch);
5582
5583         ent = PRVM_G_EDICT(OFS_PARM0);
5584         if (ent == prog->edicts)
5585         {
5586                 VM_Warning(prog, "changepitch: can not modify world entity\n");
5587                 return;
5588         }
5589         if (ent->priv.server->free)
5590         {
5591                 VM_Warning(prog, "changepitch: can not modify free entity\n");
5592                 return;
5593         }
5594         current = PRVM_gameedictvector(ent, angles)[0];
5595         current = ANGLEMOD(current);
5596         ideal = PRVM_gameedictfloat(ent, idealpitch);
5597         speed = PRVM_gameedictfloat(ent, pitch_speed);
5598
5599         if (current == ideal)
5600                 return;
5601         move = ideal - current;
5602         if (ideal > current)
5603         {
5604                 if (move >= 180)
5605                         move = move - 360;
5606         }
5607         else
5608         {
5609                 if (move <= -180)
5610                         move = move + 360;
5611         }
5612         if (move > 0)
5613         {
5614                 if (move > speed)
5615                         move = speed;
5616         }
5617         else
5618         {
5619                 if (move < -speed)
5620                         move = -speed;
5621         }
5622
5623         current += move;
5624         PRVM_gameedictvector(ent, angles)[0] = ANGLEMOD(current);
5625 }
5626
5627
5628 void VM_uncolorstring (prvm_prog_t *prog)
5629 {
5630         char szNewString[VM_STRINGTEMP_LENGTH];
5631         const char *szString;
5632
5633         // Prepare Strings
5634         VM_SAFEPARMCOUNT(1, VM_uncolorstring);
5635         szString = PRVM_G_STRING(OFS_PARM0);
5636         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
5637         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
5638
5639 }
5640
5641 // #221 float(string str, string sub[, float startpos]) strstrofs (FTE_STRINGS)
5642 //strstr, without generating a new string. Use in conjunction with FRIK_FILE's substring for more similar strstr.
5643 void VM_strstrofs (prvm_prog_t *prog)
5644 {
5645         const char *instr, *match;
5646         int firstofs;
5647         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strstrofs);
5648         instr = PRVM_G_STRING(OFS_PARM0);
5649         match = PRVM_G_STRING(OFS_PARM1);
5650         firstofs = (prog->argc > 2)?(int)PRVM_G_FLOAT(OFS_PARM2):0;
5651         firstofs = u8_bytelen(instr, firstofs);
5652
5653         if (firstofs && (firstofs < 0 || firstofs > (int)strlen(instr)))
5654         {
5655                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5656                 return;
5657         }
5658
5659         match = strstr(instr+firstofs, match);
5660         if (!match)
5661                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5662         else
5663                 PRVM_G_FLOAT(OFS_RETURN) = u8_strnlen(instr, match-instr);
5664 }
5665
5666 //#222 string(string s, float index) str2chr (FTE_STRINGS)
5667 void VM_str2chr (prvm_prog_t *prog)
5668 {
5669         const char *s;
5670         Uchar ch;
5671         int index;
5672         VM_SAFEPARMCOUNT(2, VM_str2chr);
5673         s = PRVM_G_STRING(OFS_PARM0);
5674         index = u8_bytelen(s, (int)PRVM_G_FLOAT(OFS_PARM1));
5675
5676         if((unsigned)index < strlen(s))
5677         {
5678                 if (utf8_enable.integer)
5679                         ch = u8_getchar_noendptr(s + index);
5680                 else
5681                         ch = (unsigned char)s[index];
5682                 PRVM_G_FLOAT(OFS_RETURN) = ch;
5683         }
5684         else
5685                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5686 }
5687
5688 //#223 string(float c, ...) chr2str (FTE_STRINGS)
5689 void VM_chr2str (prvm_prog_t *prog)
5690 {
5691         /*
5692         char    t[9];
5693         int             i;
5694         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5695         for(i = 0;i < prog->argc && i < (int)sizeof(t) - 1;i++)
5696                 t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
5697         t[i] = 0;
5698         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
5699         */
5700         char t[9 * 4 + 1];
5701         int i;
5702         size_t len = 0;
5703         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5704         for(i = 0; i < prog->argc && len < sizeof(t)-1; ++i)
5705                 len += u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0+i*3), t + len, sizeof(t)-1);
5706         t[len] = 0;
5707         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
5708 }
5709
5710 static int chrconv_number(int i, int base, int conv)
5711 {
5712         i -= base;
5713         switch (conv)
5714         {
5715         default:
5716         case 5:
5717         case 6:
5718         case 0:
5719                 break;
5720         case 1:
5721                 base = '0';
5722                 break;
5723         case 2:
5724                 base = '0'+128;
5725                 break;
5726         case 3:
5727                 base = '0'-30;
5728                 break;
5729         case 4:
5730                 base = '0'+128-30;
5731                 break;
5732         }
5733         return i + base;
5734 }
5735 static int chrconv_punct(int i, int base, int conv)
5736 {
5737         i -= base;
5738         switch (conv)
5739         {
5740         default:
5741         case 0:
5742                 break;
5743         case 1:
5744                 base = 0;
5745                 break;
5746         case 2:
5747                 base = 128;
5748                 break;
5749         }
5750         return i + base;
5751 }
5752
5753 static int chrchar_alpha(int i, int basec, int baset, int convc, int convt, int charnum)
5754 {
5755         //convert case and colour seperatly...
5756
5757         i -= baset + basec;
5758         switch (convt)
5759         {
5760         default:
5761         case 0:
5762                 break;
5763         case 1:
5764                 baset = 0;
5765                 break;
5766         case 2:
5767                 baset = 128;
5768                 break;
5769
5770         case 5:
5771         case 6:
5772                 baset = 128*((charnum&1) == (convt-5));
5773                 break;
5774         }
5775
5776         switch (convc)
5777         {
5778         default:
5779         case 0:
5780                 break;
5781         case 1:
5782                 basec = 'a';
5783                 break;
5784         case 2:
5785                 basec = 'A';
5786                 break;
5787         }
5788         return i + basec + baset;
5789 }
5790 // #224 string(float ccase, float calpha, float cnum, string s, ...) strconv (FTE_STRINGS)
5791 //bulk convert a string. change case or colouring.
5792 void VM_strconv (prvm_prog_t *prog)
5793 {
5794         int ccase, redalpha, rednum, len, i;
5795         unsigned char resbuf[VM_STRINGTEMP_LENGTH];
5796         unsigned char *result = resbuf;
5797
5798         VM_SAFEPARMCOUNTRANGE(3, 8, VM_strconv);
5799
5800         ccase = (int) PRVM_G_FLOAT(OFS_PARM0);  //0 same, 1 lower, 2 upper
5801         redalpha = (int) PRVM_G_FLOAT(OFS_PARM1);       //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
5802         rednum = (int) PRVM_G_FLOAT(OFS_PARM2); //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
5803         VM_VarString(prog, 3, (char *) resbuf, sizeof(resbuf));
5804         len = strlen((char *) resbuf);
5805
5806         for (i = 0; i < len; i++, result++)     //should this be done backwards?
5807         {
5808                 if (*result >= '0' && *result <= '9')   //normal numbers...
5809                         *result = chrconv_number(*result, '0', rednum);
5810                 else if (*result >= '0'+128 && *result <= '9'+128)
5811                         *result = chrconv_number(*result, '0'+128, rednum);
5812                 else if (*result >= '0'+128-30 && *result <= '9'+128-30)
5813                         *result = chrconv_number(*result, '0'+128-30, rednum);
5814                 else if (*result >= '0'-30 && *result <= '9'-30)
5815                         *result = chrconv_number(*result, '0'-30, rednum);
5816
5817                 else if (*result >= 'a' && *result <= 'z')      //normal numbers...
5818                         *result = chrchar_alpha(*result, 'a', 0, ccase, redalpha, i);
5819                 else if (*result >= 'A' && *result <= 'Z')      //normal numbers...
5820                         *result = chrchar_alpha(*result, 'A', 0, ccase, redalpha, i);
5821                 else if (*result >= 'a'+128 && *result <= 'z'+128)      //normal numbers...
5822                         *result = chrchar_alpha(*result, 'a', 128, ccase, redalpha, i);
5823                 else if (*result >= 'A'+128 && *result <= 'Z'+128)      //normal numbers...
5824                         *result = chrchar_alpha(*result, 'A', 128, ccase, redalpha, i);
5825
5826                 else if ((*result & 127) < 16 || !redalpha)     //special chars..
5827                         *result = *result;
5828                 else if (*result < 128)
5829                         *result = chrconv_punct(*result, 0, redalpha);
5830                 else
5831                         *result = chrconv_punct(*result, 128, redalpha);
5832         }
5833         *result = '\0';
5834
5835         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, (char *) resbuf);
5836 }
5837
5838 // #225 string(float chars, string s, ...) strpad (FTE_STRINGS)
5839 void VM_strpad (prvm_prog_t *prog)
5840 {
5841         char src[VM_STRINGTEMP_LENGTH];
5842         char destbuf[VM_STRINGTEMP_LENGTH];
5843         int pad;
5844         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strpad);
5845         pad = (int) PRVM_G_FLOAT(OFS_PARM0);
5846         VM_VarString(prog, 1, src, sizeof(src));
5847
5848         // note: < 0 = left padding, > 0 = right padding,
5849         // this is reverse logic of printf!
5850         dpsnprintf(destbuf, sizeof(destbuf), "%*s", -pad, src);
5851
5852         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, destbuf);
5853 }
5854
5855 // #226 string(string info, string key, string value, ...) infoadd (FTE_STRINGS)
5856 //uses qw style \key\value strings
5857 void VM_infoadd (prvm_prog_t *prog)
5858 {
5859         const char *info, *key;
5860         char value[VM_STRINGTEMP_LENGTH];
5861         char temp[VM_STRINGTEMP_LENGTH];
5862
5863         VM_SAFEPARMCOUNTRANGE(2, 8, VM_infoadd);
5864         info = PRVM_G_STRING(OFS_PARM0);
5865         key = PRVM_G_STRING(OFS_PARM1);
5866         VM_VarString(prog, 2, value, sizeof(value));
5867
5868         strlcpy(temp, info, VM_STRINGTEMP_LENGTH);
5869
5870         InfoString_SetValue(temp, VM_STRINGTEMP_LENGTH, key, value);
5871
5872         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, temp);
5873 }
5874
5875 // #227 string(string info, string key) infoget (FTE_STRINGS)
5876 //uses qw style \key\value strings
5877 void VM_infoget (prvm_prog_t *prog)
5878 {
5879         const char *info;
5880         const char *key;
5881         char value[VM_STRINGTEMP_LENGTH];
5882
5883         VM_SAFEPARMCOUNT(2, VM_infoget);
5884         info = PRVM_G_STRING(OFS_PARM0);
5885         key = PRVM_G_STRING(OFS_PARM1);
5886
5887         InfoString_GetValue(info, key, value, VM_STRINGTEMP_LENGTH);
5888
5889         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, value);
5890 }
5891
5892 //#228 float(string s1, string s2, float len) strncmp (FTE_STRINGS)
5893 // also float(string s1, string s2) strcmp (FRIK_FILE)
5894 void VM_strncmp (prvm_prog_t *prog)
5895 {
5896         const char *s1, *s2;
5897         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncmp);
5898         s1 = PRVM_G_STRING(OFS_PARM0);
5899         s2 = PRVM_G_STRING(OFS_PARM1);
5900         if (prog->argc > 2)
5901         {
5902                 PRVM_G_FLOAT(OFS_RETURN) = strncmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5903         }
5904         else
5905         {
5906                 PRVM_G_FLOAT(OFS_RETURN) = strcmp(s1, s2);
5907         }
5908 }
5909
5910 // #229 float(string s1, string s2) strcasecmp (FTE_STRINGS)
5911 // #230 float(string s1, string s2, float len) strncasecmp (FTE_STRINGS)
5912 void VM_strncasecmp (prvm_prog_t *prog)
5913 {
5914         const char *s1, *s2;
5915         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncasecmp);
5916         s1 = PRVM_G_STRING(OFS_PARM0);
5917         s2 = PRVM_G_STRING(OFS_PARM1);
5918         if (prog->argc > 2)
5919         {
5920                 PRVM_G_FLOAT(OFS_RETURN) = strncasecmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5921         }
5922         else
5923         {
5924                 PRVM_G_FLOAT(OFS_RETURN) = strcasecmp(s1, s2);
5925         }
5926 }
5927
5928 // #494 float(float caseinsensitive, string s, ...) crc16
5929 void VM_crc16(prvm_prog_t *prog)
5930 {
5931         float insensitive;
5932         char s[VM_STRINGTEMP_LENGTH];
5933         VM_SAFEPARMCOUNTRANGE(2, 8, VM_crc16);
5934         insensitive = PRVM_G_FLOAT(OFS_PARM0);
5935         VM_VarString(prog, 1, s, sizeof(s));
5936         PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
5937 }
5938
5939 // #639 float(string digest, string data, ...) digest_hex
5940 void VM_digest_hex(prvm_prog_t *prog)
5941 {
5942         const char *digest;
5943
5944         char out[32];
5945         char outhex[65];
5946         int outlen;
5947
5948         char s[VM_STRINGTEMP_LENGTH];
5949         int len;
5950
5951         VM_SAFEPARMCOUNTRANGE(2, 8, VM_digest_hex);
5952         digest = PRVM_G_STRING(OFS_PARM0);
5953         if(!digest)
5954                 digest = "";
5955         VM_VarString(prog, 1, s, sizeof(s));
5956         len = strlen(s);
5957
5958         outlen = 0;
5959
5960         if(!strcmp(digest, "MD4"))
5961         {
5962                 outlen = 16;
5963                 mdfour((unsigned char *) out, (unsigned char *) s, len);
5964         }
5965         else if(!strcmp(digest, "SHA256") && Crypto_Available())
5966         {
5967                 outlen = 32;
5968                 sha256((unsigned char *) out, (unsigned char *) s, len);
5969         }
5970         // no warning needed on mismatch - we return string_null to QC
5971
5972         if(outlen)
5973         {
5974                 int i;
5975                 static const char *hexmap = "0123456789abcdef";
5976                 for(i = 0; i < outlen; ++i)
5977                 {
5978                         outhex[2*i]   = hexmap[(out[i] >> 4) & 15];
5979                         outhex[2*i+1] = hexmap[(out[i] >> 0) & 15];
5980                 }
5981                 outhex[2*i] = 0;
5982                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, outhex);
5983         }
5984         else
5985                 PRVM_G_INT(OFS_RETURN) = 0;
5986 }
5987
5988 void VM_wasfreed (prvm_prog_t *prog)
5989 {
5990         VM_SAFEPARMCOUNT(1, VM_wasfreed);
5991         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICT(OFS_PARM0)->priv.required->free;
5992 }
5993
5994 void VM_SetTraceGlobals(prvm_prog_t *prog, const trace_t *trace)
5995 {
5996         PRVM_gameglobalfloat(trace_allsolid) = trace->allsolid;
5997         PRVM_gameglobalfloat(trace_startsolid) = trace->startsolid;
5998         PRVM_gameglobalfloat(trace_fraction) = trace->fraction;
5999         PRVM_gameglobalfloat(trace_inwater) = trace->inwater;
6000         PRVM_gameglobalfloat(trace_inopen) = trace->inopen;
6001         VectorCopy(trace->endpos, PRVM_gameglobalvector(trace_endpos));
6002         VectorCopy(trace->plane.normal, PRVM_gameglobalvector(trace_plane_normal));
6003         PRVM_gameglobalfloat(trace_plane_dist) = trace->plane.dist;
6004         PRVM_gameglobaledict(trace_ent) = PRVM_EDICT_TO_PROG(trace->ent ? trace->ent : prog->edicts);
6005         PRVM_gameglobalfloat(trace_dpstartcontents) = trace->startsupercontents;
6006         PRVM_gameglobalfloat(trace_dphitcontents) = trace->hitsupercontents;
6007         PRVM_gameglobalfloat(trace_dphitq3surfaceflags) = trace->hitq3surfaceflags;
6008         PRVM_gameglobalstring(trace_dphittexturename) = trace->hittexture ? PRVM_SetTempString(prog, trace->hittexture->name) : 0;
6009 }
6010
6011 void VM_ClearTraceGlobals(prvm_prog_t *prog)
6012 {
6013         // clean up all trace globals when leaving the VM (anti-triggerbot safeguard)
6014         PRVM_gameglobalfloat(trace_allsolid) = 0;
6015         PRVM_gameglobalfloat(trace_startsolid) = 0;
6016         PRVM_gameglobalfloat(trace_fraction) = 0;
6017         PRVM_gameglobalfloat(trace_inwater) = 0;
6018         PRVM_gameglobalfloat(trace_inopen) = 0;
6019         VectorClear(PRVM_gameglobalvector(trace_endpos));
6020         VectorClear(PRVM_gameglobalvector(trace_plane_normal));
6021         PRVM_gameglobalfloat(trace_plane_dist) = 0;
6022         PRVM_gameglobaledict(trace_ent) = PRVM_EDICT_TO_PROG(prog->edicts);
6023         PRVM_gameglobalfloat(trace_dpstartcontents) = 0;
6024         PRVM_gameglobalfloat(trace_dphitcontents) = 0;
6025         PRVM_gameglobalfloat(trace_dphitq3surfaceflags) = 0;
6026         PRVM_gameglobalstring(trace_dphittexturename) = 0;
6027 }
6028
6029 //=============
6030
6031 void VM_Cmd_Init(prvm_prog_t *prog)
6032 {
6033         // only init the stuff for the current prog
6034         VM_Files_Init(prog);
6035         VM_Search_Init(prog);
6036 }
6037
6038 void VM_Cmd_Reset(prvm_prog_t *prog)
6039 {
6040         CL_PurgeOwner( MENUOWNER );
6041         VM_Search_Reset(prog);
6042         VM_Files_CloseAll(prog);
6043 }
6044
6045 // #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
6046 // does URI escaping on a string (replace evil stuff by %AB escapes)
6047 void VM_uri_escape (prvm_prog_t *prog)
6048 {
6049         char src[VM_STRINGTEMP_LENGTH];
6050         char dest[VM_STRINGTEMP_LENGTH];
6051         char *p, *q;
6052         static const char *hex = "0123456789ABCDEF";
6053
6054         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
6055         VM_VarString(prog, 0, src, sizeof(src));
6056
6057         for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
6058         {
6059                 if((*p >= 'A' && *p <= 'Z')
6060                         || (*p >= 'a' && *p <= 'z')
6061                         || (*p >= '0' && *p <= '9')
6062                         || (*p == '-')  || (*p == '_') || (*p == '.')
6063                         || (*p == '!')  || (*p == '~')
6064                         || (*p == '\'') || (*p == '(') || (*p == ')'))
6065                         *q++ = *p;
6066                 else
6067                 {
6068                         *q++ = '%';
6069                         *q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
6070                         *q++ = hex[ *(unsigned char *)p       & 0xF];
6071                 }
6072         }
6073         *q++ = 0;
6074
6075         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, dest);
6076 }
6077
6078 // #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
6079 // does URI unescaping on a string (get back the evil stuff)
6080 void VM_uri_unescape (prvm_prog_t *prog)
6081 {
6082         char src[VM_STRINGTEMP_LENGTH];
6083         char dest[VM_STRINGTEMP_LENGTH];
6084         char *p, *q;
6085         int hi, lo;
6086
6087         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
6088         VM_VarString(prog, 0, src, sizeof(src));
6089
6090         for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
6091         {
6092                 if(*p == '%')
6093                 {
6094                         if(p[1] >= '0' && p[1] <= '9')
6095                                 hi = p[1] - '0';
6096                         else if(p[1] >= 'a' && p[1] <= 'f')
6097                                 hi = p[1] - 'a' + 10;
6098                         else if(p[1] >= 'A' && p[1] <= 'F')
6099                                 hi = p[1] - 'A' + 10;
6100                         else
6101                                 goto nohex;
6102                         if(p[2] >= '0' && p[2] <= '9')
6103                                 lo = p[2] - '0';
6104                         else if(p[2] >= 'a' && p[2] <= 'f')
6105                                 lo = p[2] - 'a' + 10;
6106                         else if(p[2] >= 'A' && p[2] <= 'F')
6107                                 lo = p[2] - 'A' + 10;
6108                         else
6109                                 goto nohex;
6110                         if(hi != 0 || lo != 0) // don't unescape NUL bytes
6111                                 *q++ = (char) (hi * 0x10 + lo);
6112                         p += 3;
6113                         continue;
6114                 }
6115
6116 nohex:
6117                 // otherwise:
6118                 *q++ = *p++;
6119         }
6120         *q++ = 0;
6121
6122         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, dest);
6123 }
6124
6125 // #502 string(string filename) whichpack (DP_QC_WHICHPACK)
6126 // returns the name of the pack containing a file, or "" if it is not in any pack (but local or non-existant)
6127 void VM_whichpack (prvm_prog_t *prog)
6128 {
6129         const char *fn, *pack;
6130
6131         VM_SAFEPARMCOUNT(1, VM_whichpack);
6132         fn = PRVM_G_STRING(OFS_PARM0);
6133         pack = FS_WhichPack(fn);
6134
6135         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, pack ? pack : "");
6136 }
6137
6138 typedef struct
6139 {
6140         prvm_prog_t *prog;
6141         double starttime;
6142         float id;
6143         char buffer[MAX_INPUTLINE];
6144         char posttype[128];
6145         unsigned char *postdata; // free when uri_to_prog_t is freed
6146         size_t postlen;
6147         char *sigdata; // free when uri_to_prog_t is freed
6148         size_t siglen;
6149 }
6150 uri_to_prog_t;
6151
6152 static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
6153 {
6154         prvm_prog_t *prog;
6155         uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
6156
6157         prog = handle->prog;
6158         if(!prog->loaded)
6159         {
6160                 // curl reply came too late... so just drop it
6161                 if(handle->postdata)
6162                         Z_Free(handle->postdata);
6163                 if(handle->sigdata)
6164                         Z_Free(handle->sigdata);
6165                 Z_Free(handle);
6166                 return;
6167         }
6168
6169         if((prog->starttime == handle->starttime) && (PRVM_allfunction(URI_Get_Callback)))
6170         {
6171                 if(length_received >= sizeof(handle->buffer))
6172                         length_received = sizeof(handle->buffer) - 1;
6173                 handle->buffer[length_received] = 0;
6174
6175                 PRVM_G_FLOAT(OFS_PARM0) = handle->id;
6176                 PRVM_G_FLOAT(OFS_PARM1) = status;
6177                 PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, handle->buffer);
6178                 prog->ExecuteProgram(prog, PRVM_allfunction(URI_Get_Callback), "QC function URI_Get_Callback is missing");
6179         }
6180
6181         if(handle->postdata)
6182                 Z_Free(handle->postdata);
6183         if(handle->sigdata)
6184                 Z_Free(handle->sigdata);
6185         Z_Free(handle);
6186 }
6187
6188 // 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
6189 // 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
6190 void VM_uri_get (prvm_prog_t *prog)
6191 {
6192         const char *url;
6193         float id;
6194         qboolean ret;
6195         uri_to_prog_t *handle;
6196         const char *posttype = NULL;
6197         const char *postseparator = NULL;
6198         int poststringbuffer = -1;
6199         int postkeyid = -1;
6200         const char *query_string = NULL;
6201         size_t lq;
6202
6203         if(!PRVM_allfunction(URI_Get_Callback))
6204                 prog->error_cmd("uri_get called by %s without URI_Get_Callback defined", prog->name);
6205
6206         VM_SAFEPARMCOUNTRANGE(2, 6, VM_uri_get);
6207
6208         url = PRVM_G_STRING(OFS_PARM0);
6209         id = PRVM_G_FLOAT(OFS_PARM1);
6210         if(prog->argc >= 3)
6211                 posttype = PRVM_G_STRING(OFS_PARM2);
6212         if(prog->argc >= 4)
6213                 postseparator = PRVM_G_STRING(OFS_PARM3);
6214         if(prog->argc >= 5)
6215                 poststringbuffer = PRVM_G_FLOAT(OFS_PARM4);
6216         if(prog->argc >= 6)
6217                 postkeyid = PRVM_G_FLOAT(OFS_PARM5);
6218         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!
6219
6220         query_string = strchr(url, '?');
6221         if(query_string)
6222                 ++query_string;
6223         lq = query_string ? strlen(query_string) : 0;
6224
6225         handle->prog = prog;
6226         handle->starttime = prog->starttime;
6227         handle->id = id;
6228         if(postseparator && posttype && *posttype)
6229         {
6230                 size_t l = strlen(postseparator);
6231                 if(poststringbuffer >= 0)
6232                 {
6233                         size_t ltotal;
6234                         int i;
6235                         // "implode"
6236                         prvm_stringbuffer_t *stringbuffer;
6237                         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, poststringbuffer);
6238                         if(!stringbuffer)
6239                         {
6240                                 VM_Warning(prog, "uri_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
6241                                 return;
6242                         }
6243                         ltotal = 0;
6244                         for(i = 0;i < stringbuffer->num_strings;i++)
6245                         {
6246                                 if(i > 0)
6247                                         ltotal += l;
6248                                 if(stringbuffer->strings[i])
6249                                         ltotal += strlen(stringbuffer->strings[i]);
6250                         }
6251                         handle->postdata = (unsigned char *)Z_Malloc(ltotal + 1 + lq);
6252                         handle->postlen = ltotal;
6253                         ltotal = 0;
6254                         for(i = 0;i < stringbuffer->num_strings;i++)
6255                         {
6256                                 if(i > 0)
6257                                 {
6258                                         memcpy(handle->postdata + ltotal, postseparator, l);
6259                                         ltotal += l;
6260                                 }
6261                                 if(stringbuffer->strings[i])
6262                                 {
6263                                         memcpy(handle->postdata + ltotal, stringbuffer->strings[i], strlen(stringbuffer->strings[i]));
6264                                         ltotal += strlen(stringbuffer->strings[i]);
6265                                 }
6266                         }
6267                         if(ltotal != handle->postlen)
6268                                 prog->error_cmd("%s: string buffer content size mismatch, possible overrun", prog->name);
6269                 }
6270                 else
6271                 {
6272                         handle->postdata = (unsigned char *)Z_Malloc(l + 1 + lq);
6273                         handle->postlen = l;
6274                         memcpy(handle->postdata, postseparator, l);
6275                 }
6276                 handle->postdata[handle->postlen] = 0;
6277                 if(query_string)
6278                         memcpy(handle->postdata + handle->postlen + 1, query_string, lq);
6279                 if(postkeyid >= 0)
6280                 {
6281                         // POST: we sign postdata \0 query string
6282                         size_t ll;
6283                         handle->sigdata = (char *)Z_Malloc(8192);
6284                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6285                         l = strlen(handle->sigdata);
6286                         handle->siglen = Crypto_SignDataDetached(handle->postdata, handle->postlen + 1 + lq, postkeyid, handle->sigdata + l, 8192 - l);
6287                         if(!handle->siglen)
6288                         {
6289                                 Z_Free(handle->sigdata);
6290                                 handle->sigdata = NULL;
6291                                 goto out1;
6292                         }
6293                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6294                         if(!ll)
6295                         {
6296                                 Z_Free(handle->sigdata);
6297                                 handle->sigdata = NULL;
6298                                 goto out1;
6299                         }
6300                         handle->siglen = l + ll;
6301                         handle->sigdata[handle->siglen] = 0;
6302                 }
6303 out1:
6304                 strlcpy(handle->posttype, posttype, sizeof(handle->posttype));
6305                 ret = Curl_Begin_ToMemory_POST(url, handle->sigdata, 0, handle->posttype, handle->postdata, handle->postlen, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
6306         }
6307         else
6308         {
6309                 if(postkeyid >= 0 && query_string)
6310                 {
6311                         // GET: we sign JUST the query string
6312                         size_t l, ll;
6313                         handle->sigdata = (char *)Z_Malloc(8192);
6314                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6315                         l = strlen(handle->sigdata);
6316                         handle->siglen = Crypto_SignDataDetached(query_string, lq, postkeyid, handle->sigdata + l, 8192 - l);
6317                         if(!handle->siglen)
6318                         {
6319                                 Z_Free(handle->sigdata);
6320                                 handle->sigdata = NULL;
6321                                 goto out2;
6322                         }
6323                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6324                         if(!ll)
6325                         {
6326                                 Z_Free(handle->sigdata);
6327                                 handle->sigdata = NULL;
6328                                 goto out2;
6329                         }
6330                         handle->siglen = l + ll;
6331                         handle->sigdata[handle->siglen] = 0;
6332                 }
6333 out2:
6334                 handle->postdata = NULL;
6335                 handle->postlen = 0;
6336                 ret = Curl_Begin_ToMemory_POST(url, handle->sigdata, 0, NULL, NULL, 0, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
6337         }
6338         if(ret)
6339         {
6340                 PRVM_G_INT(OFS_RETURN) = 1;
6341         }
6342         else
6343         {
6344                 if(handle->postdata)
6345                         Z_Free(handle->postdata);
6346                 if(handle->sigdata)
6347                         Z_Free(handle->sigdata);
6348                 Z_Free(handle);
6349                 PRVM_G_INT(OFS_RETURN) = 0;
6350         }
6351 }
6352
6353 void VM_netaddress_resolve (prvm_prog_t *prog)
6354 {
6355         const char *ip;
6356         char normalized[128];
6357         int port;
6358         lhnetaddress_t addr;
6359
6360         VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
6361
6362         ip = PRVM_G_STRING(OFS_PARM0);
6363         port = 0;
6364         if(prog->argc > 1)
6365                 port = (int) PRVM_G_FLOAT(OFS_PARM1);
6366
6367         if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
6368                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, normalized);
6369         else
6370                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
6371 }
6372
6373 //string(prvm_prog_t *prog) getextresponse = #624; // returns the next extResponse packet that was sent to this client
6374 void VM_CL_getextresponse (prvm_prog_t *prog)
6375 {
6376         VM_SAFEPARMCOUNT(0,VM_argv);
6377
6378         if (cl_net_extresponse_count <= 0)
6379                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6380         else
6381         {
6382                 int first;
6383                 --cl_net_extresponse_count;
6384                 first = (cl_net_extresponse_last + NET_EXTRESPONSE_MAX - cl_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6385                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, cl_net_extresponse[first]);
6386         }
6387 }
6388
6389 void VM_SV_getextresponse (prvm_prog_t *prog)
6390 {
6391         VM_SAFEPARMCOUNT(0,VM_argv);
6392
6393         if (sv_net_extresponse_count <= 0)
6394                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6395         else
6396         {
6397                 int first;
6398                 --sv_net_extresponse_count;
6399                 first = (sv_net_extresponse_last + NET_EXTRESPONSE_MAX - sv_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6400                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, sv_net_extresponse[first]);
6401         }
6402 }
6403
6404 /*
6405 =========
6406 Common functions between menu.dat and clsprogs
6407 =========
6408 */
6409
6410 //#349 float() isdemo
6411 void VM_CL_isdemo (prvm_prog_t *prog)
6412 {
6413         VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
6414         PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
6415 }
6416
6417 //#355 float() videoplaying
6418 void VM_CL_videoplaying (prvm_prog_t *prog)
6419 {
6420         VM_SAFEPARMCOUNT(0, VM_CL_videoplaying);
6421         PRVM_G_FLOAT(OFS_RETURN) = cl_videoplaying;
6422 }
6423
6424 /*
6425 =========
6426 VM_M_callfunction
6427
6428         callfunction(...,string function_name)
6429 Extension: pass
6430 =========
6431 */
6432 void VM_callfunction(prvm_prog_t *prog)
6433 {
6434         mfunction_t *func;
6435         const char *s;
6436
6437         VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
6438
6439         s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
6440
6441         VM_CheckEmptyString(prog, s);
6442
6443         func = PRVM_ED_FindFunction(prog, s);
6444
6445         if(!func)
6446                 prog->error_cmd("VM_callfunciton: function %s not found !", s);
6447         else if (func->first_statement < 0)
6448         {
6449                 // negative statements are built in functions
6450                 int builtinnumber = -func->first_statement;
6451                 prog->xfunction->builtinsprofile++;
6452                 if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
6453                         prog->builtins[builtinnumber](prog);
6454                 else
6455                         prog->error_cmd("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, prog->name);
6456         }
6457         else if(func - prog->functions > 0)
6458         {
6459                 prog->argc--;
6460                 prog->ExecuteProgram(prog, func - prog->functions,"");
6461                 prog->argc++;
6462         }
6463 }
6464
6465 /*
6466 =========
6467 VM_isfunction
6468
6469 float   isfunction(string function_name)
6470 =========
6471 */
6472 void VM_isfunction(prvm_prog_t *prog)
6473 {
6474         mfunction_t *func;
6475         const char *s;
6476
6477         VM_SAFEPARMCOUNT(1, VM_isfunction);
6478
6479         s = PRVM_G_STRING(OFS_PARM0);
6480
6481         VM_CheckEmptyString(prog, s);
6482
6483         func = PRVM_ED_FindFunction(prog, s);
6484
6485         if(!func)
6486                 PRVM_G_FLOAT(OFS_RETURN) = false;
6487         else
6488                 PRVM_G_FLOAT(OFS_RETURN) = true;
6489 }
6490
6491 /*
6492 =========
6493 VM_sprintf
6494
6495 string sprintf(string format, ...)
6496 =========
6497 */
6498
6499 void VM_sprintf(prvm_prog_t *prog)
6500 {
6501         const char *s, *s0;
6502         char outbuf[MAX_INPUTLINE];
6503         char *o = outbuf, *end = outbuf + sizeof(outbuf), *err;
6504         const char *p;
6505         int argpos = 1;
6506         int width, precision, thisarg, flags;
6507         char formatbuf[16];
6508         char *f;
6509         int isfloat;
6510         static prvm_int_t dummyivec[3] = {0, 0, 0};
6511         static prvm_vec_t dummyvec[3] = {0, 0, 0};
6512         char vabuf[1024];
6513
6514 #define PRINTF_ALTERNATE 1
6515 #define PRINTF_ZEROPAD 2
6516 #define PRINTF_LEFT 4
6517 #define PRINTF_SPACEPOSITIVE 8
6518 #define PRINTF_SIGNPOSITIVE 16
6519
6520         formatbuf[0] = '%';
6521
6522         s = PRVM_G_STRING(OFS_PARM0);
6523
6524 #define GETARG_FLOAT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_FLOAT(OFS_PARM0 + 3 * (a))) : 0)
6525 #define GETARG_VECTOR(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyvec)
6526 #define GETARG_INT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_INT(OFS_PARM0 + 3 * (a))) : 0)
6527 #define GETARG_INTVECTOR(a) (((a)>=1 && (a)<prog->argc) ? ((prvm_int_t*) PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyivec)
6528 #define GETARG_STRING(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_STRING(OFS_PARM0 + 3 * (a))) : "")
6529
6530         for(;;)
6531         {
6532                 s0 = s;
6533                 switch(*s)
6534                 {
6535                         case 0:
6536                                 goto finished;
6537                         case '%':
6538                                 ++s;
6539
6540                                 if(*s == '%')
6541                                         goto verbatim;
6542
6543                                 // complete directive format:
6544                                 // %3$*1$.*2$ld
6545
6546                                 width = -1;
6547                                 precision = -1;
6548                                 thisarg = -1;
6549                                 flags = 0;
6550                                 isfloat = -1;
6551
6552                                 // is number following?
6553                                 if(*s >= '0' && *s <= '9')
6554                                 {
6555                                         width = strtol(s, &err, 10);
6556                                         if(!err)
6557                                         {
6558                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6559                                                 goto finished;
6560                                         }
6561                                         if(*err == '$')
6562                                         {
6563                                                 thisarg = width;
6564                                                 width = -1;
6565                                                 s = err + 1;
6566                                         }
6567                                         else
6568                                         {
6569                                                 if(*s == '0')
6570                                                 {
6571                                                         flags |= PRINTF_ZEROPAD;
6572                                                         if(width == 0)
6573                                                                 width = -1; // it was just a flag
6574                                                 }
6575                                                 s = err;
6576                                         }
6577                                 }
6578
6579                                 if(width < 0)
6580                                 {
6581                                         for(;;)
6582                                         {
6583                                                 switch(*s)
6584                                                 {
6585                                                         case '#': flags |= PRINTF_ALTERNATE; break;
6586                                                         case '0': flags |= PRINTF_ZEROPAD; break;
6587                                                         case '-': flags |= PRINTF_LEFT; break;
6588                                                         case ' ': flags |= PRINTF_SPACEPOSITIVE; break;
6589                                                         case '+': flags |= PRINTF_SIGNPOSITIVE; break;
6590                                                         default:
6591                                                                 goto noflags;
6592                                                 }
6593                                                 ++s;
6594                                         }
6595 noflags:
6596                                         if(*s == '*')
6597                                         {
6598                                                 ++s;
6599                                                 if(*s >= '0' && *s <= '9')
6600                                                 {
6601                                                         width = strtol(s, &err, 10);
6602                                                         if(!err || *err != '$')
6603                                                         {
6604                                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6605                                                                 goto finished;
6606                                                         }
6607                                                         s = err + 1;
6608                                                 }
6609                                                 else
6610                                                         width = argpos++;
6611                                                 width = GETARG_FLOAT(width);
6612                                                 if(width < 0)
6613                                                 {
6614                                                         flags |= PRINTF_LEFT;
6615                                                         width = -width;
6616                                                 }
6617                                         }
6618                                         else if(*s >= '0' && *s <= '9')
6619                                         {
6620                                                 width = strtol(s, &err, 10);
6621                                                 if(!err)
6622                                                 {
6623                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6624                                                         goto finished;
6625                                                 }
6626                                                 s = err;
6627                                                 if(width < 0)
6628                                                 {
6629                                                         flags |= PRINTF_LEFT;
6630                                                         width = -width;
6631                                                 }
6632                                         }
6633                                         // otherwise width stays -1
6634                                 }
6635
6636                                 if(*s == '.')
6637                                 {
6638                                         ++s;
6639                                         if(*s == '*')
6640                                         {
6641                                                 ++s;
6642                                                 if(*s >= '0' && *s <= '9')
6643                                                 {
6644                                                         precision = strtol(s, &err, 10);
6645                                                         if(!err || *err != '$')
6646                                                         {
6647                                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6648                                                                 goto finished;
6649                                                         }
6650                                                         s = err + 1;
6651                                                 }
6652                                                 else
6653                                                         precision = argpos++;
6654                                                 precision = GETARG_FLOAT(precision);
6655                                         }
6656                                         else if(*s >= '0' && *s <= '9')
6657                                         {
6658                                                 precision = strtol(s, &err, 10);
6659                                                 if(!err)
6660                                                 {
6661                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6662                                                         goto finished;
6663                                                 }
6664                                                 s = err;
6665                                         }
6666                                         else
6667                                         {
6668                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6669                                                 goto finished;
6670                                         }
6671                                 }
6672
6673                                 for(;;)
6674                                 {
6675                                         switch(*s)
6676                                         {
6677                                                 case 'h': isfloat = 1; break;
6678                                                 case 'l': isfloat = 0; break;
6679                                                 case 'L': isfloat = 0; break;
6680                                                 case 'j': break;
6681                                                 case 'z': break;
6682                                                 case 't': break;
6683                                                 default:
6684                                                         goto nolength;
6685                                         }
6686                                         ++s;
6687                                 }
6688 nolength:
6689
6690                                 // now s points to the final directive char and is no longer changed
6691                                 if(isfloat < 0)
6692                                 {
6693                                         if(*s == 'i')
6694                                                 isfloat = 0;
6695                                         else
6696                                                 isfloat = 1;
6697                                 }
6698
6699                                 if(thisarg < 0)
6700                                         thisarg = argpos++;
6701
6702                                 if(o < end - 1)
6703                                 {
6704                                         f = &formatbuf[1];
6705                                         if(*s != 's' && *s != 'c')
6706                                                 if(flags & PRINTF_ALTERNATE) *f++ = '#';
6707                                         if(flags & PRINTF_ZEROPAD) *f++ = '0';
6708                                         if(flags & PRINTF_LEFT) *f++ = '-';
6709                                         if(flags & PRINTF_SPACEPOSITIVE) *f++ = ' ';
6710                                         if(flags & PRINTF_SIGNPOSITIVE) *f++ = '+';
6711                                         *f++ = '*';
6712                                         if(precision >= 0)
6713                                         {
6714                                                 *f++ = '.';
6715                                                 *f++ = '*';
6716                                         }
6717                                         if(*s == 'd' || *s == 'i' || *s == 'o' || *s == 'u' || *s == 'x' || *s == 'X')
6718                                         {
6719                                                 // make it use a good integer type
6720                                                 for(p = INT_LOSSLESS_FORMAT_SIZE; *p; )
6721                                                         *f++ = *p++;
6722                                         }
6723                                         *f++ = *s;
6724                                         *f++ = 0;
6725
6726                                         if(width < 0) // not set
6727                                                 width = 0;
6728
6729                                         switch(*s)
6730                                         {
6731                                                 case 'd': case 'i':
6732                                                         if(precision < 0) // not set
6733                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? INT_LOSSLESS_FORMAT_CONVERT_S(GETARG_FLOAT(thisarg)) : INT_LOSSLESS_FORMAT_CONVERT_S(GETARG_INT(thisarg))));
6734                                                         else
6735                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? INT_LOSSLESS_FORMAT_CONVERT_S(GETARG_FLOAT(thisarg)) : INT_LOSSLESS_FORMAT_CONVERT_S(GETARG_INT(thisarg))));
6736                                                         break;
6737                                                 case 'o': case 'u': case 'x': case 'X':
6738                                                         if(precision < 0) // not set
6739                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? INT_LOSSLESS_FORMAT_CONVERT_U(GETARG_FLOAT(thisarg)) : INT_LOSSLESS_FORMAT_CONVERT_U(GETARG_INT(thisarg))));
6740                                                         else
6741                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? INT_LOSSLESS_FORMAT_CONVERT_U(GETARG_FLOAT(thisarg)) : INT_LOSSLESS_FORMAT_CONVERT_U(GETARG_INT(thisarg))));
6742                                                         break;
6743                                                 case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
6744                                                         if(precision < 0) // not set
6745                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6746                                                         else
6747                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6748                                                         break;
6749                                                 case 'v': case 'V':
6750                                                         f[-2] += 'g' - 'v';
6751                                                         if(precision < 0) // not set
6752                                                                 o += dpsnprintf(o, end - o, va(vabuf, sizeof(vabuf), "%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6753                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6754                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6755                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6756                                                                 );
6757                                                         else
6758                                                                 o += dpsnprintf(o, end - o, va(vabuf, sizeof(vabuf), "%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6759                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6760                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6761                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6762                                                                 );
6763                                                         break;
6764                                                 case 'c':
6765                                                         if(flags & PRINTF_ALTERNATE)
6766                                                         {
6767                                                                 if(precision < 0) // not set
6768                                                                         o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6769                                                                 else
6770                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6771                                                         }
6772                                                         else
6773                                                         {
6774                                                                 unsigned int c = (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg));
6775                                                                 char charbuf16[16];
6776                                                                 const char *buf = u8_encodech(c, NULL, charbuf16);
6777                                                                 if(!buf)
6778                                                                         buf = "";
6779                                                                 if(precision < 0) // not set
6780                                                                         precision = end - o - 1;
6781                                                                 o += u8_strpad(o, end - o, buf, (flags & PRINTF_LEFT) != 0, width, precision);
6782                                                         }
6783                                                         break;
6784                                                 case 's':
6785                                                         if(flags & PRINTF_ALTERNATE)
6786                                                         {
6787                                                                 if(precision < 0) // not set
6788                                                                         o += dpsnprintf(o, end - o, formatbuf, width, GETARG_STRING(thisarg));
6789                                                                 else
6790                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, GETARG_STRING(thisarg));
6791                                                         }
6792                                                         else
6793                                                         {
6794                                                                 if(precision < 0) // not set
6795                                                                         precision = end - o - 1;
6796                                                                 if(flags & PRINTF_SIGNPOSITIVE)
6797                                                                         o += u8_strpad(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6798                                                                 else
6799                                                                         o += u8_strpad_colorcodes(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6800                                                         }
6801                                                         break;
6802                                                 default:
6803                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6804                                                         goto finished;
6805                                         }
6806                                 }
6807                                 ++s;
6808                                 break;
6809                         default:
6810 verbatim:
6811                                 if(o < end - 1)
6812                                         *o++ = *s++;
6813                                 break;
6814                 }
6815         }
6816 finished:
6817         *o = 0;
6818         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, outbuf);
6819 }
6820
6821
6822 // surface querying
6823
6824 static dp_model_t *getmodel(prvm_prog_t *prog, prvm_edict_t *ed)
6825 {
6826         if (prog == SVVM_prog)
6827                 return SV_GetModelFromEdict(ed);
6828         else if (prog == CLVM_prog)
6829                 return CL_GetModelFromEdict(ed);
6830         else
6831                 return NULL;
6832 }
6833
6834 typedef struct
6835 {
6836         unsigned int progid;
6837         dp_model_t *model;
6838         frameblend_t frameblend[MAX_FRAMEBLENDS];
6839         skeleton_t *skeleton_p;
6840         skeleton_t skeleton;
6841         float *data_vertex3f;
6842         float *data_svector3f;
6843         float *data_tvector3f;
6844         float *data_normal3f;
6845         int max_vertices;
6846         float *buf_vertex3f;
6847         float *buf_svector3f;
6848         float *buf_tvector3f;
6849         float *buf_normal3f;
6850 }
6851 animatemodel_cache_t;
6852 static animatemodel_cache_t animatemodel_cache;
6853
6854 static void animatemodel(prvm_prog_t *prog, dp_model_t *model, prvm_edict_t *ed)
6855 {
6856         skeleton_t *skeleton;
6857         int skeletonindex = -1;
6858         qboolean need = false;
6859         if(!(model->surfmesh.isanimated && model->AnimateVertices))
6860         {
6861                 animatemodel_cache.data_vertex3f = model->surfmesh.data_vertex3f;
6862                 animatemodel_cache.data_svector3f = model->surfmesh.data_svector3f;
6863                 animatemodel_cache.data_tvector3f = model->surfmesh.data_tvector3f;
6864                 animatemodel_cache.data_normal3f = model->surfmesh.data_normal3f;
6865                 return;
6866         }
6867         if(animatemodel_cache.progid != prog->id)
6868                 memset(&animatemodel_cache, 0, sizeof(animatemodel_cache));
6869         need |= (animatemodel_cache.model != model);
6870         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
6871         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, PRVM_serverglobalfloat(time));
6872         need |= (memcmp(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend))) != 0;
6873         skeletonindex = (int)PRVM_gameedictfloat(ed, skeletonindex) - 1;
6874         if (!(skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones))
6875                 skeleton = NULL;
6876         need |= (animatemodel_cache.skeleton_p != skeleton);
6877         if(skeleton)
6878                 need |= (memcmp(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton))) != 0;
6879         if(!need)
6880                 return;
6881         if(model->surfmesh.num_vertices > animatemodel_cache.max_vertices)
6882         {
6883                 animatemodel_cache.max_vertices = model->surfmesh.num_vertices * 2;
6884                 if(animatemodel_cache.buf_vertex3f) Mem_Free(animatemodel_cache.buf_vertex3f);
6885                 if(animatemodel_cache.buf_svector3f) Mem_Free(animatemodel_cache.buf_svector3f);
6886                 if(animatemodel_cache.buf_tvector3f) Mem_Free(animatemodel_cache.buf_tvector3f);
6887                 if(animatemodel_cache.buf_normal3f) Mem_Free(animatemodel_cache.buf_normal3f);
6888                 animatemodel_cache.buf_vertex3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6889                 animatemodel_cache.buf_svector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6890                 animatemodel_cache.buf_tvector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6891                 animatemodel_cache.buf_normal3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6892         }
6893         animatemodel_cache.data_vertex3f = animatemodel_cache.buf_vertex3f;
6894         animatemodel_cache.data_svector3f = animatemodel_cache.buf_svector3f;
6895         animatemodel_cache.data_tvector3f = animatemodel_cache.buf_tvector3f;
6896         animatemodel_cache.data_normal3f = animatemodel_cache.buf_normal3f;
6897         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
6898         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);
6899         animatemodel_cache.progid = prog->id;
6900         animatemodel_cache.model = model;
6901         memcpy(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
6902         animatemodel_cache.skeleton_p = skeleton;
6903         if(skeleton)
6904                 memcpy(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton));
6905 }
6906
6907 static void getmatrix(prvm_prog_t *prog, prvm_edict_t *ed, matrix4x4_t *out)
6908 {
6909         if (prog == SVVM_prog)
6910                 SV_GetEntityMatrix(prog, ed, out, false);
6911         else if (prog == CLVM_prog)
6912                 CL_GetEntityMatrix(prog, ed, out, false);
6913         else
6914                 *out = identitymatrix;
6915 }
6916
6917 static void applytransform_forward(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6918 {
6919         matrix4x4_t m;
6920         getmatrix(prog, ed, &m);
6921         Matrix4x4_Transform(&m, in, out);
6922 }
6923
6924 static void applytransform_forward_direction(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6925 {
6926         matrix4x4_t m;
6927         getmatrix(prog, ed, &m);
6928         Matrix4x4_Transform3x3(&m, in, out);
6929 }
6930
6931 static void applytransform_inverted(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6932 {
6933         matrix4x4_t m, n;
6934         getmatrix(prog, ed, &m);
6935         Matrix4x4_Invert_Full(&n, &m);
6936         Matrix4x4_Transform3x3(&n, in, out);
6937 }
6938
6939 static void applytransform_forward_normal(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6940 {
6941         matrix4x4_t m;
6942         float p[4];
6943         getmatrix(prog, ed, &m);
6944         Matrix4x4_TransformPositivePlane(&m, in[0], in[1], in[2], 0, p);
6945         VectorCopy(p, out);
6946 }
6947
6948 static void clippointtosurface(prvm_prog_t *prog, prvm_edict_t *ed, dp_model_t *model, msurface_t *surface, vec3_t p, vec3_t out)
6949 {
6950         int i, j, k;
6951         float *v[3], facenormal[3], edgenormal[3], sidenormal[3], temp[3], offsetdist, dist, bestdist;
6952         const int *e;
6953         animatemodel(prog, model, ed);
6954         bestdist = 1000000000;
6955         VectorCopy(p, out);
6956         for (i = 0, e = (model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);i < surface->num_triangles;i++, e += 3)
6957         {
6958                 // clip original point to each triangle of the surface and find the
6959                 // triangle that is closest
6960                 v[0] = animatemodel_cache.data_vertex3f + e[0] * 3;
6961                 v[1] = animatemodel_cache.data_vertex3f + e[1] * 3;
6962                 v[2] = animatemodel_cache.data_vertex3f + e[2] * 3;
6963                 TriangleNormal(v[0], v[1], v[2], facenormal);
6964                 VectorNormalize(facenormal);
6965                 offsetdist = DotProduct(v[0], facenormal) - DotProduct(p, facenormal);
6966                 VectorMA(p, offsetdist, facenormal, temp);
6967                 for (j = 0, k = 2;j < 3;k = j, j++)
6968                 {
6969                         VectorSubtract(v[k], v[j], edgenormal);
6970                         CrossProduct(edgenormal, facenormal, sidenormal);
6971                         VectorNormalize(sidenormal);
6972                         offsetdist = DotProduct(v[k], sidenormal) - DotProduct(temp, sidenormal);
6973                         if (offsetdist < 0)
6974                                 VectorMA(temp, offsetdist, sidenormal, temp);
6975                 }
6976                 dist = VectorDistance2(temp, p);
6977                 if (bestdist > dist)
6978                 {
6979                         bestdist = dist;
6980                         VectorCopy(temp, out);
6981                 }
6982         }
6983 }
6984
6985 static msurface_t *getsurface(dp_model_t *model, int surfacenum)
6986 {
6987         if (surfacenum < 0 || surfacenum >= model->nummodelsurfaces)
6988                 return NULL;
6989         return model->data_surfaces + surfacenum + model->firstmodelsurface;
6990 }
6991
6992
6993 //PF_getsurfacenumpoints, // #434 float(entity e, float s) getsurfacenumpoints = #434;
6994 void VM_getsurfacenumpoints(prvm_prog_t *prog)
6995 {
6996         dp_model_t *model;
6997         msurface_t *surface;
6998         VM_SAFEPARMCOUNT(2, VM_getsurfacenumpoints);
6999         // return 0 if no such surface
7000         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7001         {
7002                 PRVM_G_FLOAT(OFS_RETURN) = 0;
7003                 return;
7004         }
7005
7006         // note: this (incorrectly) assumes it is a simple polygon
7007         PRVM_G_FLOAT(OFS_RETURN) = surface->num_vertices;
7008 }
7009 //PF_getsurfacepoint,     // #435 vector(entity e, float s, float n) getsurfacepoint = #435;
7010 void VM_getsurfacepoint(prvm_prog_t *prog)
7011 {
7012         prvm_edict_t *ed;
7013         dp_model_t *model;
7014         msurface_t *surface;
7015         int pointnum;
7016         vec3_t result;
7017         VM_SAFEPARMCOUNT(3, VM_getsurfacepoint);
7018         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7019         ed = PRVM_G_EDICT(OFS_PARM0);
7020         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7021                 return;
7022         // note: this (incorrectly) assumes it is a simple polygon
7023         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
7024         if (pointnum < 0 || pointnum >= surface->num_vertices)
7025                 return;
7026         animatemodel(prog, model, ed);
7027         applytransform_forward(prog, &(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7028         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7029 }
7030 //PF_getsurfacepointattribute,     // #486 vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
7031 // float SPA_POSITION = 0;
7032 // float SPA_S_AXIS = 1;
7033 // float SPA_T_AXIS = 2;
7034 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
7035 // float SPA_TEXCOORDS0 = 4;
7036 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
7037 // float SPA_LIGHTMAP0_COLOR = 6;
7038 void VM_getsurfacepointattribute(prvm_prog_t *prog)
7039 {
7040         prvm_edict_t *ed;
7041         dp_model_t *model;
7042         msurface_t *surface;
7043         int pointnum;
7044         int attributetype;
7045         vec3_t result;
7046
7047         VM_SAFEPARMCOUNT(4, VM_getsurfacepoint);
7048         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7049         ed = PRVM_G_EDICT(OFS_PARM0);
7050         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7051                 return;
7052         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
7053         if (pointnum < 0 || pointnum >= surface->num_vertices)
7054                 return;
7055         attributetype = (int) PRVM_G_FLOAT(OFS_PARM3);
7056
7057         animatemodel(prog, model, ed);
7058
7059         switch( attributetype ) {
7060                 // float SPA_POSITION = 0;
7061                 case 0:
7062                         applytransform_forward(prog, &(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7063                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7064                         break;
7065                 // float SPA_S_AXIS = 1;
7066                 case 1:
7067                         applytransform_forward_direction(prog, &(animatemodel_cache.data_svector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7068                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7069                         break;
7070                 // float SPA_T_AXIS = 2;
7071                 case 2:
7072                         applytransform_forward_direction(prog, &(animatemodel_cache.data_tvector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7073                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7074                         break;
7075                 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
7076                 case 3:
7077                         applytransform_forward_direction(prog, &(animatemodel_cache.data_normal3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7078                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7079                         break;
7080                 // float SPA_TEXCOORDS0 = 4;
7081                 case 4: {
7082                         float *texcoord = &(model->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[pointnum * 2];
7083                         result[0] = texcoord[0];
7084                         result[1] = texcoord[1];
7085                         result[2] = 0.0f;
7086                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7087                         break;
7088                 }
7089                 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
7090                 case 5: {
7091                         float *texcoord = &(model->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[pointnum * 2];
7092                         result[0] = texcoord[0];
7093                         result[1] = texcoord[1];
7094                         result[2] = 0.0f;
7095                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7096                         break;
7097                 }
7098                 // float SPA_LIGHTMAP0_COLOR = 6;
7099                 case 6:
7100                         // ignore alpha for now..
7101                         VectorCopy( &(model->surfmesh.data_lightmapcolor4f + 4 * surface->num_firstvertex)[pointnum * 4], PRVM_G_VECTOR(OFS_RETURN));
7102                         break;
7103                 default:
7104                         VectorSet( PRVM_G_VECTOR(OFS_RETURN), 0.0f, 0.0f, 0.0f );
7105                         break;
7106         }
7107 }
7108 //PF_getsurfacenormal,    // #436 vector(entity e, float s) getsurfacenormal = #436;
7109 void VM_getsurfacenormal(prvm_prog_t *prog)
7110 {
7111         dp_model_t *model;
7112         msurface_t *surface;
7113         vec3_t normal;
7114         vec3_t result;
7115         VM_SAFEPARMCOUNT(2, VM_getsurfacenormal);
7116         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7117         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7118                 return;
7119         // note: this only returns the first triangle, so it doesn't work very
7120         // well for curved surfaces or arbitrary meshes
7121         animatemodel(prog, model, PRVM_G_EDICT(OFS_PARM0));
7122         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);
7123         applytransform_forward_normal(prog, normal, PRVM_G_EDICT(OFS_PARM0), result);
7124         VectorNormalize(result);
7125         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7126 }
7127 //PF_getsurfacetexture,   // #437 string(entity e, float s) getsurfacetexture = #437;
7128 void VM_getsurfacetexture(prvm_prog_t *prog)
7129 {
7130         dp_model_t *model;
7131         msurface_t *surface;
7132         VM_SAFEPARMCOUNT(2, VM_getsurfacetexture);
7133         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
7134         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7135                 return;
7136         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, surface->texture->name);
7137 }
7138 //PF_getsurfacenearpoint, // #438 float(entity e, vector p) getsurfacenearpoint = #438;
7139 void VM_getsurfacenearpoint(prvm_prog_t *prog)
7140 {
7141         int surfacenum, best;
7142         vec3_t clipped, p;
7143         vec_t dist, bestdist;
7144         prvm_edict_t *ed;
7145         dp_model_t *model;
7146         msurface_t *surface;
7147         vec3_t point;
7148         VM_SAFEPARMCOUNT(2, VM_getsurfacenearpoint);
7149         PRVM_G_FLOAT(OFS_RETURN) = -1;
7150         ed = PRVM_G_EDICT(OFS_PARM0);
7151         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), point);
7152
7153         if (!ed || ed->priv.server->free)
7154                 return;
7155         model = getmodel(prog, ed);
7156         if (!model || !model->num_surfaces)
7157                 return;
7158
7159         animatemodel(prog, model, ed);
7160
7161         applytransform_inverted(prog, point, ed, p);
7162         best = -1;
7163         bestdist = 1000000000;
7164         for (surfacenum = 0;surfacenum < model->nummodelsurfaces;surfacenum++)
7165         {
7166                 surface = model->data_surfaces + surfacenum + model->firstmodelsurface;
7167                 // first see if the nearest point on the surface's box is closer than the previous match
7168                 clipped[0] = bound(surface->mins[0], p[0], surface->maxs[0]) - p[0];
7169                 clipped[1] = bound(surface->mins[1], p[1], surface->maxs[1]) - p[1];
7170                 clipped[2] = bound(surface->mins[2], p[2], surface->maxs[2]) - p[2];
7171                 dist = VectorLength2(clipped);
7172                 if (dist < bestdist)
7173                 {
7174                         // it is, check the nearest point on the actual geometry
7175                         clippointtosurface(prog, ed, model, surface, p, clipped);
7176                         VectorSubtract(clipped, p, clipped);
7177                         dist += VectorLength2(clipped);
7178                         if (dist < bestdist)
7179                         {
7180                                 // that's closer too, store it as the best match
7181                                 best = surfacenum;
7182                                 bestdist = dist;
7183                         }
7184                 }
7185         }
7186         PRVM_G_FLOAT(OFS_RETURN) = best;
7187 }
7188 //PF_getsurfaceclippedpoint, // #439 vector(entity e, float s, vector p) getsurfaceclippedpoint = #439;
7189 void VM_getsurfaceclippedpoint(prvm_prog_t *prog)
7190 {
7191         prvm_edict_t *ed;
7192         dp_model_t *model;
7193         msurface_t *surface;
7194         vec3_t p, out, inp;
7195         VM_SAFEPARMCOUNT(3, VM_te_getsurfaceclippedpoint);
7196         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7197         ed = PRVM_G_EDICT(OFS_PARM0);
7198         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7199                 return;
7200         animatemodel(prog, model, ed);
7201         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), inp);
7202         applytransform_inverted(prog, inp, ed, p);
7203         clippointtosurface(prog, ed, model, surface, p, out);
7204         VectorAdd(out, PRVM_serveredictvector(ed, origin), PRVM_G_VECTOR(OFS_RETURN));
7205 }
7206
7207 //PF_getsurfacenumtriangles, // #??? float(entity e, float s) getsurfacenumtriangles = #???;
7208 void VM_getsurfacenumtriangles(prvm_prog_t *prog)
7209 {
7210        dp_model_t *model;
7211        msurface_t *surface;
7212        VM_SAFEPARMCOUNT(2, VM_SV_getsurfacenumtriangles);
7213        // return 0 if no such surface
7214        if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7215        {
7216                PRVM_G_FLOAT(OFS_RETURN) = 0;
7217                return;
7218        }
7219
7220        PRVM_G_FLOAT(OFS_RETURN) = surface->num_triangles;
7221 }
7222 //PF_getsurfacetriangle,     // #??? vector(entity e, float s, float n) getsurfacetriangle = #???;
7223 void VM_getsurfacetriangle(prvm_prog_t *prog)
7224 {
7225        const vec3_t d = {-1, -1, -1};
7226        prvm_edict_t *ed;
7227        dp_model_t *model;
7228        msurface_t *surface;
7229        int trinum;
7230        VM_SAFEPARMCOUNT(3, VM_SV_getsurfacetriangle);
7231        VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7232        ed = PRVM_G_EDICT(OFS_PARM0);
7233        if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7234                return;
7235        trinum = (int)PRVM_G_FLOAT(OFS_PARM2);
7236        if (trinum < 0 || trinum >= surface->num_triangles)
7237                return;
7238        // FIXME: implement rotation/scaling
7239        VectorMA(&(model->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[trinum * 3], surface->num_firstvertex, d, PRVM_G_VECTOR(OFS_RETURN));
7240 }
7241
7242 //
7243 // physics builtins
7244 //
7245
7246 #define VM_physics_ApplyCmd(ed,f) if (!ed->priv.server->ode_body) VM_physics_newstackfunction(prog, ed, f); else World_Physics_ApplyCmd(ed, f)
7247
7248 static edict_odefunc_t *VM_physics_newstackfunction(prvm_prog_t *prog, prvm_edict_t *ed, edict_odefunc_t *f)
7249 {
7250         edict_odefunc_t *newfunc, *func;
7251
7252         newfunc = (edict_odefunc_t *)Mem_Alloc(prog->progs_mempool, sizeof(edict_odefunc_t));
7253         memcpy(newfunc, f, sizeof(edict_odefunc_t));
7254         newfunc->next = NULL;
7255         if (!ed->priv.server->ode_func)
7256                 ed->priv.server->ode_func = newfunc;
7257         else
7258         {
7259                 for (func = ed->priv.server->ode_func; func->next; func = func->next);
7260                 func->next = newfunc;
7261         }
7262         return newfunc;
7263 }
7264
7265 // void(entity e, float physics_enabled) physics_enable = #;
7266 void VM_physics_enable(prvm_prog_t *prog)
7267 {
7268         prvm_edict_t *ed;
7269         edict_odefunc_t f;
7270
7271         VM_SAFEPARMCOUNT(2, VM_physics_enable);
7272         ed = PRVM_G_EDICT(OFS_PARM0);
7273         if (!ed)
7274         {
7275                 if (developer.integer > 0)
7276                         VM_Warning(prog, "VM_physics_enable: null entity!\n");
7277                 return;
7278         }
7279         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7280         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7281         {
7282                 VM_Warning(prog, "VM_physics_enable: entity is not MOVETYPE_PHYSICS!\n");
7283                 return;
7284         }
7285         f.type = PRVM_G_FLOAT(OFS_PARM1) == 0 ? ODEFUNC_DISABLE : ODEFUNC_ENABLE;
7286         VM_physics_ApplyCmd(ed, &f);
7287 }
7288
7289 // void(entity e, vector force, vector relative_ofs) physics_addforce = #;
7290 void VM_physics_addforce(prvm_prog_t *prog)
7291 {
7292         prvm_edict_t *ed;
7293         edict_odefunc_t f;
7294
7295         VM_SAFEPARMCOUNT(3, VM_physics_addforce);
7296         ed = PRVM_G_EDICT(OFS_PARM0);
7297         if (!ed)
7298         {
7299                 if (developer.integer > 0)
7300                         VM_Warning(prog, "VM_physics_addforce: null entity!\n");
7301                 return;
7302         }
7303         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7304         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7305         {
7306                 VM_Warning(prog, "VM_physics_addforce: entity is not MOVETYPE_PHYSICS!\n");
7307                 return;
7308         }
7309         f.type = ODEFUNC_FORCE;
7310         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7311         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), f.v2);
7312         VM_physics_ApplyCmd(ed, &f);
7313 }
7314
7315 // void(entity e, vector torque) physics_addtorque = #;
7316 void VM_physics_addtorque(prvm_prog_t *prog)
7317 {
7318         prvm_edict_t *ed;
7319         edict_odefunc_t f;
7320
7321         VM_SAFEPARMCOUNT(2, VM_physics_addtorque);
7322         ed = PRVM_G_EDICT(OFS_PARM0);
7323         if (!ed)
7324         {
7325                 if (developer.integer > 0)
7326                         VM_Warning(prog, "VM_physics_addtorque: null entity!\n");
7327                 return;
7328         }
7329         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7330         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7331         {
7332                 VM_Warning(prog, "VM_physics_addtorque: entity is not MOVETYPE_PHYSICS!\n");
7333                 return;
7334         }
7335         f.type = ODEFUNC_TORQUE;
7336         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7337         VM_physics_ApplyCmd(ed, &f);
7338 }