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         // rpolzer: Not testing isanimated here - a model might have
 103         // "animations" that move no vertices (but only bones), thus rendering
 104         // may assume it's not animated while processing can't.
 105         if (!model)
 106         {
 107                 blend[0].lerp = 1;
 108                 return;
 109         }
 110
 111         nolerp = (model->type == mod_sprite) ? !r_lerpsprites.integer : !r_lerpmodels.integer;
 112         numframes = model->numframes;
 113         for (k = 0, g = framegroupblend;k < MAX_FRAMEGROUPBLENDS;k++, g++)
 114         {
 115                 f = g->frame;
 116                 if ((unsigned int)f >= (unsigned int)numframes)
 117                 {
 118                         if (developer_extra.integer)
 119                                 Con_DPrintf("VM_FrameBlendFromFrameGroupBlend: no such frame %d in model %s\n", f, model->name);
 120                         f = 0;
 121                 }
 122                 d = lerp = g->lerp;
 123                 if (lerp <= 0)
 124                         continue;
 125                 if (nolerp)
 126                 {
 127                         if (isfirstframegroup)
 128                         {
 129                                 d = lerp = 1;
 130                                 isfirstframegroup = false;
 131                         }
 132                         else
 133                                 continue;
 134                 }
 135                 if (model->animscenes)
 136                 {
 137                         scene = model->animscenes + f;
 138                         f = scene->firstframe;
 139                         if (scene->framecount > 1)
 140                         {
 141                                 // this code path is only used on .zym models and torches
 142                                 sublerp = scene->framerate * (curtime - g->start);
 143                                 f = (int) floor(sublerp);
 144                                 sublerp -= f;
 145                                 sub2 = f + 1;
 146                                 if (sublerp < (1.0 / 65536.0f))
 147                                         sublerp = 0;
 148                                 if (sublerp > (65535.0f / 65536.0f))
 149                                         sublerp = 1;
 150                                 if (nolerp)
 151                                         sublerp = 0;
 152                                 if (scene->loop)
 153                                 {
 154                                         f = (f % scene->framecount);
 155                                         sub2 = (sub2 % scene->framecount);
 156                                 }
 157                                 f = bound(0, f, (scene->framecount - 1)) + scene->firstframe;
 158                                 sub2 = bound(0, sub2, (scene->framecount - 1)) + scene->firstframe;
 159                                 d = sublerp * lerp;
 160                                 // two framelerps produced from one animation
 161                                 if (d > 0)
 162                                 {
 163                                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 164                                         {
 165                                                 if (blend[i].lerp <= 0 || blend[i].subframe == sub2)
 166                                                 {
 167                                                         blend[i].subframe = sub2;
 168                                                         blend[i].lerp += d;
 169                                                         break;
 170                                                 }
 171                                         }
 172                                 }
 173                                 d = (1 - sublerp) * lerp;
 174                         }
 175                 }
 176                 if (d > 0)
 177                 {
 178                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 179                         {
 180                                 if (blend[i].lerp <= 0 || blend[i].subframe == f)
 181                                 {
 182                                         blend[i].subframe = f;
 183                                         blend[i].lerp += d;
 184                                         break;
 185                                 }
 186                         }
 187                 }
 188         }
 189 }
 190
 191 void VM_UpdateEdictSkeleton(prvm_prog_t *prog, prvm_edict_t *ed, const dp_model_t *edmodel, const frameblend_t *frameblend)
 192 {
 193         if (ed->priv.server->skeleton.model != edmodel)
 194         {
 195                 VM_RemoveEdictSkeleton(prog, ed);
 196                 ed->priv.server->skeleton.model = edmodel;
 197         }
 198         if (!ed->priv.server->skeleton.model || !ed->priv.server->skeleton.model->num_bones)
 199         {
 200                 if(ed->priv.server->skeleton.relativetransforms)
 201                         Mem_Free(ed->priv.server->skeleton.relativetransforms);
 202                 ed->priv.server->skeleton.relativetransforms = NULL;
 203                 return;
 204         }
 205
 206         {
 207                 int skeletonindex = -1;
 208                 skeleton_t *skeleton;
 209                 skeletonindex = (int)PRVM_gameedictfloat(ed, skeletonindex) - 1;
 210                 if (skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones)
 211                 {
 212                         // custom skeleton controlled by the game (FTE_CSQC_SKELETONOBJECTS)
 213                         if (!ed->priv.server->skeleton.relativetransforms)
 214                                 ed->priv.server->skeleton.relativetransforms = (matrix4x4_t *)Mem_Alloc(prog->progs_mempool, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 215                         memcpy(ed->priv.server->skeleton.relativetransforms, skeleton->relativetransforms, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 216                 }
 217                 else
 218                 {
 219                         if(ed->priv.server->skeleton.relativetransforms)
 220                                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 221                         ed->priv.server->skeleton.relativetransforms = NULL;
 222                 }
 223         }
 224 }
 225
 226 void VM_RemoveEdictSkeleton(prvm_prog_t *prog, prvm_edict_t *ed)
 227 {
 228         if (ed->priv.server->skeleton.relativetransforms)
 229                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 230         memset(&ed->priv.server->skeleton, 0, sizeof(ed->priv.server->skeleton));
 231 }
 232
 233
 234
 235
 236 //============================================================================
 237 //BUILT-IN FUNCTIONS
 238
 239 void VM_VarString(prvm_prog_t *prog, int first, char *out, int outlength)
 240 {
 241         int i;
 242         const char *s;
 243         char *outend;
 244
 245         outend = out + outlength - 1;
 246         for (i = first;i < prog->argc && out < outend;i++)
 247         {
 248                 s = PRVM_G_STRING((OFS_PARM0+i*3));
 249                 while (out < outend && *s)
 250                         *out++ = *s++;
 251         }
 252         *out++ = 0;
 253 }
 254
 255 /*
 256 =================
 257 VM_checkextension
 258
 259 returns true if the extension is supported by the server
 260
 261 checkextension(extensionname)
 262 =================
 263 */
 264
 265 // kind of helper function
 266 static qboolean checkextension(prvm_prog_t *prog, const char *name)
 267 {
 268         int len;
 269         const char *e, *start;
 270         len = (int)strlen(name);
 271
 272         for (e = prog->extensionstring;*e;e++)
 273         {
 274                 while (*e == ' ')
 275                         e++;
 276                 if (!*e)
 277                         break;
 278                 start = e;
 279                 while (*e && *e != ' ')
 280                         e++;
 281                 if ((e - start) == len && !strncasecmp(start, name, len))
 282                 {
 283 #ifdef USEODE
 284                         // special sheck for ODE
 285                         if (!strncasecmp("DP_PHYSICS_ODE", name, 14))
 286                         {
 287 #ifndef LINK_TO_LIBODE
 288                                 return ode_dll ? true : false;
 289 #else
 290 #ifdef LINK_TO_LIBODE
 291                                 return true;
 292 #else
 293                                 return false;
 294 #endif
 295 #endif
 296                         }
 297 #endif
 298
 299                         // special sheck for d0_blind_id
 300                         if (!strcasecmp("DP_CRYPTO", name))
 301                                 return Crypto_Available();
 302                         if (!strcasecmp("DP_QC_DIGEST_SHA256", name))
 303                                 return Crypto_Available();
 304
 305                         return true;
 306                 }
 307         }
 308         return false;
 309 }
 310
 311 void VM_checkextension(prvm_prog_t *prog)
 312 {
 313         VM_SAFEPARMCOUNT(1,VM_checkextension);
 314
 315         PRVM_G_FLOAT(OFS_RETURN) = checkextension(prog, PRVM_G_STRING(OFS_PARM0));
 316 }
 317
 318 /*
 319 =================
 320 VM_error
 321
 322 This is a TERMINAL error, which will kill off the entire prog.
 323 Dumps self.
 324
 325 error(value)
 326 =================
 327 */
 328 void VM_error(prvm_prog_t *prog)
 329 {
 330         prvm_edict_t    *ed;
 331         char string[VM_STRINGTEMP_LENGTH];
 332
 333         VM_VarString(prog, 0, string, sizeof(string));
 334         Con_Printf("======%s ERROR in %s:\n%s\n", prog->name, PRVM_GetString(prog, prog->xfunction->s_name), string);
 335         ed = PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self));
 336         PRVM_ED_Print(prog, ed, NULL);
 337
 338         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);
 339 }
 340
 341 /*
 342 =================
 343 VM_objerror
 344
 345 Dumps out self, then an error message.  The program is aborted and self is
 346 removed, but the level can continue.
 347
 348 objerror(value)
 349 =================
 350 */
 351 void VM_objerror(prvm_prog_t *prog)
 352 {
 353         prvm_edict_t    *ed;
 354         char string[VM_STRINGTEMP_LENGTH];
 355
 356         VM_VarString(prog, 0, string, sizeof(string));
 357         Con_Printf("======OBJECT ERROR======\n"); // , prog->name, PRVM_GetString(prog->xfunction->s_name), string); // or include them? FIXME
 358         ed = PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self));
 359         PRVM_ED_Print(prog, ed, NULL);
 360         PRVM_ED_Free (prog, ed);
 361         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);
 362 }
 363
 364 /*
 365 =================
 366 VM_print
 367
 368 print to console
 369
 370 print(...[string])
 371 =================
 372 */
 373 void VM_print(prvm_prog_t *prog)
 374 {
 375         char string[VM_STRINGTEMP_LENGTH];
 376
 377         VM_VarString(prog, 0, string, sizeof(string));
 378         Con_Print(string);
 379 }
 380
 381 /*
 382 =================
 383 VM_bprint
 384
 385 broadcast print to everyone on server
 386
 387 bprint(...[string])
 388 =================
 389 */
 390 void VM_bprint(prvm_prog_t *prog)
 391 {
 392         char string[VM_STRINGTEMP_LENGTH];
 393
 394         if(!sv.active)
 395         {
 396                 VM_Warning(prog, "VM_bprint: game is not server(%s) !\n", prog->name);
 397                 return;
 398         }
 399
 400         VM_VarString(prog, 0, string, sizeof(string));
 401         SV_BroadcastPrint(string);
 402 }
 403
 404 /*
 405 =================
 406 VM_sprint (menu & client but only if server.active == true)
 407
 408 single print to a specific client
 409
 410 sprint(float clientnum,...[string])
 411 =================
 412 */
 413 void VM_sprint(prvm_prog_t *prog)
 414 {
 415         client_t        *client;
 416         int                     clientnum;
 417         char string[VM_STRINGTEMP_LENGTH];
 418
 419         VM_SAFEPARMCOUNTRANGE(1, 8, VM_sprint);
 420
 421         //find client for this entity
 422         clientnum = (int)PRVM_G_FLOAT(OFS_PARM0);
 423         if (!sv.active  || clientnum < 0 || clientnum >= svs.maxclients || !svs.clients[clientnum].active)
 424         {
 425                 VM_Warning(prog, "VM_sprint: %s: invalid client or server is not active !\n", prog->name);
 426                 return;
 427         }
 428
 429         client = svs.clients + clientnum;
 430         if (!client->netconnection)
 431                 return;
 432
 433         VM_VarString(prog, 1, string, sizeof(string));
 434         MSG_WriteChar(&client->netconnection->message,svc_print);
 435         MSG_WriteString(&client->netconnection->message, string);
 436 }
 437
 438 /*
 439 =================
 440 VM_centerprint
 441
 442 single print to the screen
 443
 444 centerprint(value)
 445 =================
 446 */
 447 void VM_centerprint(prvm_prog_t *prog)
 448 {
 449         char string[VM_STRINGTEMP_LENGTH];
 450
 451         VM_SAFEPARMCOUNTRANGE(1, 8, VM_centerprint);
 452         VM_VarString(prog, 0, string, sizeof(string));
 453         SCR_CenterPrint(string);
 454 }
 455
 456 /*
 457 =================
 458 VM_normalize
 459
 460 vector normalize(vector)
 461 =================
 462 */
 463 void VM_normalize(prvm_prog_t *prog)
 464 {
 465         prvm_vec_t      *value1;
 466         vec3_t  newvalue;
 467         double  f;
 468
 469         VM_SAFEPARMCOUNT(1,VM_normalize);
 470
 471         value1 = PRVM_G_VECTOR(OFS_PARM0);
 472
 473         f = VectorLength2(value1);
 474         if (f)
 475         {
 476                 f = 1.0 / sqrt(f);
 477                 VectorScale(value1, f, newvalue);
 478         }
 479         else
 480                 VectorClear(newvalue);
 481
 482         VectorCopy (newvalue, PRVM_G_VECTOR(OFS_RETURN));
 483 }
 484
 485 /*
 486 =================
 487 VM_vlen
 488
 489 scalar vlen(vector)
 490 =================
 491 */
 492 void VM_vlen(prvm_prog_t *prog)
 493 {
 494         VM_SAFEPARMCOUNT(1,VM_vlen);
 495         PRVM_G_FLOAT(OFS_RETURN) = VectorLength(PRVM_G_VECTOR(OFS_PARM0));
 496 }
 497
 498 /*
 499 =================
 500 VM_vectoyaw
 501
 502 float vectoyaw(vector)
 503 =================
 504 */
 505 void VM_vectoyaw(prvm_prog_t *prog)
 506 {
 507         prvm_vec_t      *value1;
 508         prvm_vec_t      yaw;
 509
 510         VM_SAFEPARMCOUNT(1,VM_vectoyaw);
 511
 512         value1 = PRVM_G_VECTOR(OFS_PARM0);
 513
 514         if (value1[1] == 0 && value1[0] == 0)
 515                 yaw = 0;
 516         else
 517         {
 518                 yaw = (int) (atan2(value1[1], value1[0]) * 180 / M_PI);
 519                 if (yaw < 0)
 520                         yaw += 360;
 521         }
 522
 523         PRVM_G_FLOAT(OFS_RETURN) = yaw;
 524 }
 525
 526
 527 /*
 528 =================
 529 VM_vectoangles
 530
 531 vector vectoangles(vector[, vector])
 532 =================
 533 */
 534 void VM_vectoangles(prvm_prog_t *prog)
 535 {
 536         vec3_t result, forward, up;
 537         VM_SAFEPARMCOUNTRANGE(1, 2,VM_vectoangles);
 538
 539         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), forward);
 540         if (prog->argc >= 2)
 541         {
 542                 VectorCopy(PRVM_G_VECTOR(OFS_PARM1), up);
 543                 AnglesFromVectors(result, forward, up, true);
 544         }
 545         else
 546                 AnglesFromVectors(result, forward, NULL, true);
 547         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
 548 }
 549
 550 /*
 551 =================
 552 VM_random
 553
 554 Returns a number from 0<= num < 1
 555
 556 float random()
 557 =================
 558 */
 559 void VM_random(prvm_prog_t *prog)
 560 {
 561         VM_SAFEPARMCOUNT(0,VM_random);
 562
 563         PRVM_G_FLOAT(OFS_RETURN) = lhrandom(0, 1);
 564 }
 565
 566 /*
 567 =========
 568 VM_localsound
 569
 570 localsound(string sample)
 571 =========
 572 */
 573 void VM_localsound(prvm_prog_t *prog)
 574 {
 575         const char *s;
 576
 577         VM_SAFEPARMCOUNT(1,VM_localsound);
 578
 579         s = PRVM_G_STRING(OFS_PARM0);
 580
 581         if(!S_LocalSound (s))
 582         {
 583                 PRVM_G_FLOAT(OFS_RETURN) = -4;
 584                 VM_Warning(prog, "VM_localsound: Failed to play %s for %s !\n", s, prog->name);
 585                 return;
 586         }
 587
 588         PRVM_G_FLOAT(OFS_RETURN) = 1;
 589 }
 590
 591 /*
 592 =================
 593 VM_break
 594
 595 break()
 596 =================
 597 */
 598 void VM_break(prvm_prog_t *prog)
 599 {
 600         prog->error_cmd("%s: break statement", prog->name);
 601 }
 602
 603 //============================================================================
 604
 605 /*
 606 =================
 607 VM_localcmd
 608
 609 Sends text over to the client's execution buffer
 610
 611 [localcmd (string, ...) or]
 612 cmd (string, ...)
 613 =================
 614 */
 615 void VM_localcmd(prvm_prog_t *prog)
 616 {
 617         char string[VM_STRINGTEMP_LENGTH];
 618         VM_SAFEPARMCOUNTRANGE(1, 8, VM_localcmd);
 619         VM_VarString(prog, 0, string, sizeof(string));
 620         Cbuf_AddText(string);
 621 }
 622
 623 static qboolean PRVM_Cvar_ReadOk(const char *string)
 624 {
 625         cvar_t *cvar;
 626         cvar = Cvar_FindVar(string);
 627         return ((cvar) && ((cvar->flags & CVAR_PRIVATE) == 0));
 628 }
 629
 630 /*
 631 =================
 632 VM_cvar
 633
 634 float cvar (string)
 635 =================
 636 */
 637 void VM_cvar(prvm_prog_t *prog)
 638 {
 639         char string[VM_STRINGTEMP_LENGTH];
 640         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 641         VM_VarString(prog, 0, string, sizeof(string));
 642         VM_CheckEmptyString(prog, string);
 643         PRVM_G_FLOAT(OFS_RETURN) = PRVM_Cvar_ReadOk(string) ? Cvar_VariableValue(string) : 0;
 644 }
 645
 646 /*
 647 =================
 648 VM_cvar
 649
 650 float cvar_type (string)
 651 float CVAR_TYPEFLAG_EXISTS = 1;
 652 float CVAR_TYPEFLAG_SAVED = 2;
 653 float CVAR_TYPEFLAG_PRIVATE = 4;
 654 float CVAR_TYPEFLAG_ENGINE = 8;
 655 float CVAR_TYPEFLAG_HASDESCRIPTION = 16;
 656 float CVAR_TYPEFLAG_READONLY = 32;
 657 =================
 658 */
 659 void VM_cvar_type(prvm_prog_t *prog)
 660 {
 661         char string[VM_STRINGTEMP_LENGTH];
 662         cvar_t *cvar;
 663         int ret;
 664
 665         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 666         VM_VarString(prog, 0, string, sizeof(string));
 667         VM_CheckEmptyString(prog, string);
 668         cvar = Cvar_FindVar(string);
 669
 670
 671         if(!cvar)
 672         {
 673                 PRVM_G_FLOAT(OFS_RETURN) = 0;
 674                 return; // CVAR_TYPE_NONE
 675         }
 676
 677         ret = 1; // CVAR_EXISTS
 678         if(cvar->flags & CVAR_SAVE)
 679                 ret |= 2; // CVAR_TYPE_SAVED
 680         if(cvar->flags & CVAR_PRIVATE)
 681                 ret |= 4; // CVAR_TYPE_PRIVATE
 682         if(!(cvar->flags & CVAR_ALLOCATED))
 683                 ret |= 8; // CVAR_TYPE_ENGINE
 684         if(cvar->description != cvar_dummy_description)
 685                 ret |= 16; // CVAR_TYPE_HASDESCRIPTION
 686         if(cvar->flags & CVAR_READONLY)
 687                 ret |= 32; // CVAR_TYPE_READONLY
 688
 689         PRVM_G_FLOAT(OFS_RETURN) = ret;
 690 }
 691
 692 /*
 693 =================
 694 VM_cvar_string
 695
 696 const string    VM_cvar_string (string, ...)
 697 =================
 698 */
 699 void VM_cvar_string(prvm_prog_t *prog)
 700 {
 701         char string[VM_STRINGTEMP_LENGTH];
 702         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_string);
 703         VM_VarString(prog, 0, string, sizeof(string));
 704         VM_CheckEmptyString(prog, string);
 705         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, PRVM_Cvar_ReadOk(string) ? Cvar_VariableString(string) : "");
 706 }
 707
 708
 709 /*
 710 ========================
 711 VM_cvar_defstring
 712
 713 const string    VM_cvar_defstring (string, ...)
 714 ========================
 715 */
 716 void VM_cvar_defstring(prvm_prog_t *prog)
 717 {
 718         char string[VM_STRINGTEMP_LENGTH];
 719         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_defstring);
 720         VM_VarString(prog, 0, string, sizeof(string));
 721         VM_CheckEmptyString(prog, string);
 722         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Cvar_VariableDefString(string));
 723 }
 724
 725 /*
 726 ========================
 727 VM_cvar_defstring
 728
 729 const string    VM_cvar_description (string, ...)
 730 ========================
 731 */
 732 void VM_cvar_description(prvm_prog_t *prog)
 733 {
 734         char string[VM_STRINGTEMP_LENGTH];
 735         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_description);
 736         VM_VarString(prog, 0, string, sizeof(string));
 737         VM_CheckEmptyString(prog, string);
 738         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Cvar_VariableDescription(string));
 739 }
 740 /*
 741 =================
 742 VM_cvar_set
 743
 744 void cvar_set (string,string, ...)
 745 =================
 746 */
 747 void VM_cvar_set(prvm_prog_t *prog)
 748 {
 749         const char *name;
 750         char string[VM_STRINGTEMP_LENGTH];
 751         VM_SAFEPARMCOUNTRANGE(2,8,VM_cvar_set);
 752         VM_VarString(prog, 1, string, sizeof(string));
 753         name = PRVM_G_STRING(OFS_PARM0);
 754         VM_CheckEmptyString(prog, name);
 755         Cvar_Set(name, string);
 756 }
 757
 758 /*
 759 =========
 760 VM_dprint
 761
 762 dprint(...[string])
 763 =========
 764 */
 765 void VM_dprint(prvm_prog_t *prog)
 766 {
 767         char string[VM_STRINGTEMP_LENGTH];
 768         VM_SAFEPARMCOUNTRANGE(1, 8, VM_dprint);
 769         VM_VarString(prog, 0, string, sizeof(string));
 770 #if 1
 771         Con_DPrintf("%s", string);
 772 #else
 773         Con_DPrintf("%s: %s", prog->name, string);
 774 #endif
 775 }
 776
 777 /*
 778 =========
 779 VM_ftos
 780
 781 string  ftos(float)
 782 =========
 783 */
 784
 785 void VM_ftos(prvm_prog_t *prog)
 786 {
 787         prvm_vec_t v;
 788         char s[128];
 789
 790         VM_SAFEPARMCOUNT(1, VM_ftos);
 791
 792         v = PRVM_G_FLOAT(OFS_PARM0);
 793
 794         if ((prvm_vec_t)((prvm_int_t)v) == v)
 795                 dpsnprintf(s, sizeof(s), "%.0f", v);
 796         else
 797                 dpsnprintf(s, sizeof(s), "%f", v);
 798         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
 799 }
 800
 801 /*
 802 =========
 803 VM_fabs
 804
 805 float   fabs(float)
 806 =========
 807 */
 808
 809 void VM_fabs(prvm_prog_t *prog)
 810 {
 811         prvm_vec_t v;
 812
 813         VM_SAFEPARMCOUNT(1,VM_fabs);
 814
 815         v = PRVM_G_FLOAT(OFS_PARM0);
 816         PRVM_G_FLOAT(OFS_RETURN) = fabs(v);
 817 }
 818
 819 /*
 820 =========
 821 VM_vtos
 822
 823 string  vtos(vector)
 824 =========
 825 */
 826
 827 void VM_vtos(prvm_prog_t *prog)
 828 {
 829         char s[512];
 830
 831         VM_SAFEPARMCOUNT(1,VM_vtos);
 832
 833         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]);
 834         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
 835 }
 836
 837 /*
 838 =========
 839 VM_etos
 840
 841 string  etos(entity)
 842 =========
 843 */
 844
 845 void VM_etos(prvm_prog_t *prog)
 846 {
 847         char s[128];
 848
 849         VM_SAFEPARMCOUNT(1, VM_etos);
 850
 851         dpsnprintf (s, sizeof(s), "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
 852         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
 853 }
 854
 855 /*
 856 =========
 857 VM_stof
 858
 859 float stof(...[string])
 860 =========
 861 */
 862 void VM_stof(prvm_prog_t *prog)
 863 {
 864         char string[VM_STRINGTEMP_LENGTH];
 865         VM_SAFEPARMCOUNTRANGE(1, 8, VM_stof);
 866         VM_VarString(prog, 0, string, sizeof(string));
 867         PRVM_G_FLOAT(OFS_RETURN) = atof(string);
 868 }
 869
 870 /*
 871 ========================
 872 VM_itof
 873
 874 float itof(int ent)
 875 ========================
 876 */
 877 void VM_itof(prvm_prog_t *prog)
 878 {
 879         VM_SAFEPARMCOUNT(1, VM_itof);
 880         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
 881 }
 882
 883 /*
 884 ========================
 885 VM_ftoe
 886
 887 entity ftoe(float num)
 888 ========================
 889 */
 890 void VM_ftoe(prvm_prog_t *prog)
 891 {
 892         prvm_int_t ent;
 893         VM_SAFEPARMCOUNT(1, VM_ftoe);
 894
 895         ent = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM0);
 896         if (ent < 0 || ent >= prog->max_edicts || PRVM_PROG_TO_EDICT(ent)->priv.required->free)
 897                 ent = 0; // return world instead of a free or invalid entity
 898
 899         PRVM_G_INT(OFS_RETURN) = ent;
 900 }
 901
 902 /*
 903 ========================
 904 VM_etof
 905
 906 float etof(entity ent)
 907 ========================
 908 */
 909 void VM_etof(prvm_prog_t *prog)
 910 {
 911         VM_SAFEPARMCOUNT(1, VM_etof);
 912         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICTNUM(OFS_PARM0);
 913 }
 914
 915 /*
 916 =========
 917 VM_strftime
 918
 919 string strftime(float uselocaltime, string[, string ...])
 920 =========
 921 */
 922 void VM_strftime(prvm_prog_t *prog)
 923 {
 924         time_t t;
 925 #if _MSC_VER >= 1400
 926         struct tm tm;
 927         int tmresult;
 928 #else
 929         struct tm *tm;
 930 #endif
 931         char fmt[VM_STRINGTEMP_LENGTH];
 932         char result[VM_STRINGTEMP_LENGTH];
 933         VM_SAFEPARMCOUNTRANGE(2, 8, VM_strftime);
 934         VM_VarString(prog, 1, fmt, sizeof(fmt));
 935         t = time(NULL);
 936 #if _MSC_VER >= 1400
 937         if (PRVM_G_FLOAT(OFS_PARM0))
 938                 tmresult = localtime_s(&tm, &t);
 939         else
 940                 tmresult = gmtime_s(&tm, &t);
 941         if (!tmresult)
 942 #else
 943         if (PRVM_G_FLOAT(OFS_PARM0))
 944                 tm = localtime(&t);
 945         else
 946                 tm = gmtime(&t);
 947         if (!tm)
 948 #endif
 949         {
 950                 PRVM_G_INT(OFS_RETURN) = 0;
 951                 return;
 952         }
 953 #if _MSC_VER >= 1400
 954         strftime(result, sizeof(result), fmt, &tm);
 955 #else
 956         strftime(result, sizeof(result), fmt, tm);
 957 #endif
 958         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, result);
 959 }
 960
 961 /*
 962 =========
 963 VM_spawn
 964
 965 entity spawn()
 966 =========
 967 */
 968
 969 void VM_spawn(prvm_prog_t *prog)
 970 {
 971         prvm_edict_t    *ed;
 972         VM_SAFEPARMCOUNT(0, VM_spawn);
 973         prog->xfunction->builtinsprofile += 20;
 974         ed = PRVM_ED_Alloc(prog);
 975         VM_RETURN_EDICT(ed);
 976 }
 977
 978 /*
 979 =========
 980 VM_remove
 981
 982 remove(entity e)
 983 =========
 984 */
 985
 986 void VM_remove(prvm_prog_t *prog)
 987 {
 988         prvm_edict_t    *ed;
 989         prog->xfunction->builtinsprofile += 20;
 990
 991         VM_SAFEPARMCOUNT(1, VM_remove);
 992
 993         ed = PRVM_G_EDICT(OFS_PARM0);
 994         if( PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
 995         {
 996                 if (developer.integer > 0)
 997                         VM_Warning(prog, "VM_remove: tried to remove the null entity or a reserved entity!\n" );
 998         }
 999         else if( ed->priv.required->free )
1000         {
1001                 if (developer.integer > 0)
1002                         VM_Warning(prog, "VM_remove: tried to remove an already freed entity!\n" );
1003         }
1004         else
1005                 PRVM_ED_Free (prog, ed);
1006 }
1007
1008 /*
1009 =========
1010 VM_find
1011
1012 entity  find(entity start, .string field, string match)
1013 =========
1014 */
1015
1016 void VM_find(prvm_prog_t *prog)
1017 {
1018         int             e;
1019         int             f;
1020         const char      *s, *t;
1021         prvm_edict_t    *ed;
1022
1023         VM_SAFEPARMCOUNT(3,VM_find);
1024
1025         e = PRVM_G_EDICTNUM(OFS_PARM0);
1026         f = PRVM_G_INT(OFS_PARM1);
1027         s = PRVM_G_STRING(OFS_PARM2);
1028
1029         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1030         // expects it to find all the monsters, so we must be careful to support
1031         // searching for ""
1032
1033         for (e++ ; e < prog->num_edicts ; e++)
1034         {
1035                 prog->xfunction->builtinsprofile++;
1036                 ed = PRVM_EDICT_NUM(e);
1037                 if (ed->priv.required->free)
1038                         continue;
1039                 t = PRVM_E_STRING(ed,f);
1040                 if (!t)
1041                         t = "";
1042                 if (!strcmp(t,s))
1043                 {
1044                         VM_RETURN_EDICT(ed);
1045                         return;
1046                 }
1047         }
1048
1049         VM_RETURN_EDICT(prog->edicts);
1050 }
1051
1052 /*
1053 =========
1054 VM_findfloat
1055
1056   entity        findfloat(entity start, .float field, float match)
1057   entity        findentity(entity start, .entity field, entity match)
1058 =========
1059 */
1060 // LordHavoc: added this for searching float, int, and entity reference fields
1061 void VM_findfloat(prvm_prog_t *prog)
1062 {
1063         int             e;
1064         int             f;
1065         float   s;
1066         prvm_edict_t    *ed;
1067
1068         VM_SAFEPARMCOUNT(3,VM_findfloat);
1069
1070         e = PRVM_G_EDICTNUM(OFS_PARM0);
1071         f = PRVM_G_INT(OFS_PARM1);
1072         s = PRVM_G_FLOAT(OFS_PARM2);
1073
1074         for (e++ ; e < prog->num_edicts ; e++)
1075         {
1076                 prog->xfunction->builtinsprofile++;
1077                 ed = PRVM_EDICT_NUM(e);
1078                 if (ed->priv.required->free)
1079                         continue;
1080                 if (PRVM_E_FLOAT(ed,f) == s)
1081                 {
1082                         VM_RETURN_EDICT(ed);
1083                         return;
1084                 }
1085         }
1086
1087         VM_RETURN_EDICT(prog->edicts);
1088 }
1089
1090 /*
1091 =========
1092 VM_findchain
1093
1094 entity  findchain(.string field, string match)
1095 =========
1096 */
1097 // chained search for strings in entity fields
1098 // entity(.string field, string match) findchain = #402;
1099 void VM_findchain(prvm_prog_t *prog)
1100 {
1101         int             i;
1102         int             f;
1103         const char      *s, *t;
1104         prvm_edict_t    *ent, *chain;
1105         int chainfield;
1106
1107         VM_SAFEPARMCOUNTRANGE(2,3,VM_findchain);
1108
1109         if(prog->argc == 3)
1110                 chainfield = PRVM_G_INT(OFS_PARM2);
1111         else
1112                 chainfield = prog->fieldoffsets.chain;
1113         if (chainfield < 0)
1114                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
1115
1116         chain = prog->edicts;
1117
1118         f = PRVM_G_INT(OFS_PARM0);
1119         s = PRVM_G_STRING(OFS_PARM1);
1120
1121         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1122         // expects it to find all the monsters, so we must be careful to support
1123         // searching for ""
1124
1125         ent = PRVM_NEXT_EDICT(prog->edicts);
1126         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1127         {
1128                 prog->xfunction->builtinsprofile++;
1129                 if (ent->priv.required->free)
1130                         continue;
1131                 t = PRVM_E_STRING(ent,f);
1132                 if (!t)
1133                         t = "";
1134                 if (strcmp(t,s))
1135                         continue;
1136
1137                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_NUM_FOR_EDICT(chain);
1138                 chain = ent;
1139         }
1140
1141         VM_RETURN_EDICT(chain);
1142 }
1143
1144 /*
1145 =========
1146 VM_findchainfloat
1147
1148 entity  findchainfloat(.string field, float match)
1149 entity  findchainentity(.string field, entity match)
1150 =========
1151 */
1152 // LordHavoc: chained search for float, int, and entity reference fields
1153 // entity(.string field, float match) findchainfloat = #403;
1154 void VM_findchainfloat(prvm_prog_t *prog)
1155 {
1156         int             i;
1157         int             f;
1158         float   s;
1159         prvm_edict_t    *ent, *chain;
1160         int chainfield;
1161
1162         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainfloat);
1163
1164         if(prog->argc == 3)
1165                 chainfield = PRVM_G_INT(OFS_PARM2);
1166         else
1167                 chainfield = prog->fieldoffsets.chain;
1168         if (chainfield < 0)
1169                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
1170
1171         chain = (prvm_edict_t *)prog->edicts;
1172
1173         f = PRVM_G_INT(OFS_PARM0);
1174         s = PRVM_G_FLOAT(OFS_PARM1);
1175
1176         ent = PRVM_NEXT_EDICT(prog->edicts);
1177         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1178         {
1179                 prog->xfunction->builtinsprofile++;
1180                 if (ent->priv.required->free)
1181                         continue;
1182                 if (PRVM_E_FLOAT(ent,f) != s)
1183                         continue;
1184
1185                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_EDICT_TO_PROG(chain);
1186                 chain = ent;
1187         }
1188
1189         VM_RETURN_EDICT(chain);
1190 }
1191
1192 /*
1193 ========================
1194 VM_findflags
1195
1196 entity  findflags(entity start, .float field, float match)
1197 ========================
1198 */
1199 // LordHavoc: search for flags in float fields
1200 void VM_findflags(prvm_prog_t *prog)
1201 {
1202         prvm_int_t      e;
1203         prvm_int_t      f;
1204         prvm_int_t      s;
1205         prvm_edict_t    *ed;
1206
1207         VM_SAFEPARMCOUNT(3, VM_findflags);
1208
1209
1210         e = PRVM_G_EDICTNUM(OFS_PARM0);
1211         f = PRVM_G_INT(OFS_PARM1);
1212         s = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM2);
1213
1214         for (e++ ; e < prog->num_edicts ; e++)
1215         {
1216                 prog->xfunction->builtinsprofile++;
1217                 ed = PRVM_EDICT_NUM(e);
1218                 if (ed->priv.required->free)
1219                         continue;
1220                 if (!PRVM_E_FLOAT(ed,f))
1221                         continue;
1222                 if ((prvm_int_t)PRVM_E_FLOAT(ed,f) & s)
1223                 {
1224                         VM_RETURN_EDICT(ed);
1225                         return;
1226                 }
1227         }
1228
1229         VM_RETURN_EDICT(prog->edicts);
1230 }
1231
1232 /*
1233 ========================
1234 VM_findchainflags
1235
1236 entity  findchainflags(.float field, float match)
1237 ========================
1238 */
1239 // LordHavoc: chained search for flags in float fields
1240 void VM_findchainflags(prvm_prog_t *prog)
1241 {
1242         prvm_int_t              i;
1243         prvm_int_t              f;
1244         prvm_int_t              s;
1245         prvm_edict_t    *ent, *chain;
1246         int chainfield;
1247
1248         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainflags);
1249
1250         if(prog->argc == 3)
1251                 chainfield = PRVM_G_INT(OFS_PARM2);
1252         else
1253                 chainfield = prog->fieldoffsets.chain;
1254         if (chainfield < 0)
1255                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
1256
1257         chain = (prvm_edict_t *)prog->edicts;
1258
1259         f = PRVM_G_INT(OFS_PARM0);
1260         s = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM1);
1261
1262         ent = PRVM_NEXT_EDICT(prog->edicts);
1263         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1264         {
1265                 prog->xfunction->builtinsprofile++;
1266                 if (ent->priv.required->free)
1267                         continue;
1268                 if (!PRVM_E_FLOAT(ent,f))
1269                         continue;
1270                 if (!((prvm_int_t)PRVM_E_FLOAT(ent,f) & s))
1271                         continue;
1272
1273                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_EDICT_TO_PROG(chain);
1274                 chain = ent;
1275         }
1276
1277         VM_RETURN_EDICT(chain);
1278 }
1279
1280 /*
1281 =========
1282 VM_precache_sound
1283
1284 string  precache_sound (string sample)
1285 =========
1286 */
1287 void VM_precache_sound(prvm_prog_t *prog)
1288 {
1289         const char *s;
1290
1291         VM_SAFEPARMCOUNT(1, VM_precache_sound);
1292
1293         s = PRVM_G_STRING(OFS_PARM0);
1294         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1295         //VM_CheckEmptyString(prog, s);
1296
1297         if(snd_initialized.integer && !S_PrecacheSound(s, true, true))
1298         {
1299                 VM_Warning(prog, "VM_precache_sound: Failed to load %s for %s\n", s, prog->name);
1300                 return;
1301         }
1302 }
1303
1304 /*
1305 =================
1306 VM_precache_file
1307
1308 returns the same string as output
1309
1310 does nothing, only used by qcc to build .pak archives
1311 =================
1312 */
1313 void VM_precache_file(prvm_prog_t *prog)
1314 {
1315         VM_SAFEPARMCOUNT(1,VM_precache_file);
1316         // precache_file is only used to copy files with qcc, it does nothing
1317         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1318 }
1319
1320 /*
1321 =========
1322 VM_coredump
1323
1324 coredump()
1325 =========
1326 */
1327 void VM_coredump(prvm_prog_t *prog)
1328 {
1329         VM_SAFEPARMCOUNT(0,VM_coredump);
1330
1331         Cbuf_AddText("prvm_edicts ");
1332         Cbuf_AddText(prog->name);
1333         Cbuf_AddText("\n");
1334 }
1335
1336 /*
1337 =========
1338 VM_stackdump
1339
1340 stackdump()
1341 =========
1342 */
1343 void VM_stackdump(prvm_prog_t *prog)
1344 {
1345         VM_SAFEPARMCOUNT(0, VM_stackdump);
1346
1347         PRVM_StackTrace(prog);
1348 }
1349
1350 /*
1351 =========
1352 VM_crash
1353
1354 crash()
1355 =========
1356 */
1357
1358 void VM_crash(prvm_prog_t *prog)
1359 {
1360         VM_SAFEPARMCOUNT(0, VM_crash);
1361
1362         prog->error_cmd("Crash called by %s",prog->name);
1363 }
1364
1365 /*
1366 =========
1367 VM_traceon
1368
1369 traceon()
1370 =========
1371 */
1372 void VM_traceon(prvm_prog_t *prog)
1373 {
1374         VM_SAFEPARMCOUNT(0,VM_traceon);
1375
1376         prog->trace = true;
1377 }
1378
1379 /*
1380 =========
1381 VM_traceoff
1382
1383 traceoff()
1384 =========
1385 */
1386 void VM_traceoff(prvm_prog_t *prog)
1387 {
1388         VM_SAFEPARMCOUNT(0,VM_traceoff);
1389
1390         prog->trace = false;
1391 }
1392
1393 /*
1394 =========
1395 VM_eprint
1396
1397 eprint(entity e)
1398 =========
1399 */
1400 void VM_eprint(prvm_prog_t *prog)
1401 {
1402         VM_SAFEPARMCOUNT(1,VM_eprint);
1403
1404         PRVM_ED_PrintNum (prog, PRVM_G_EDICTNUM(OFS_PARM0), NULL);
1405 }
1406
1407 /*
1408 =========
1409 VM_rint
1410
1411 float   rint(float)
1412 =========
1413 */
1414 void VM_rint(prvm_prog_t *prog)
1415 {
1416         prvm_vec_t f;
1417         VM_SAFEPARMCOUNT(1,VM_rint);
1418
1419         f = PRVM_G_FLOAT(OFS_PARM0);
1420         if (f > 0)
1421                 PRVM_G_FLOAT(OFS_RETURN) = floor(f + 0.5);
1422         else
1423                 PRVM_G_FLOAT(OFS_RETURN) = ceil(f - 0.5);
1424 }
1425
1426 /*
1427 =========
1428 VM_floor
1429
1430 float   floor(float)
1431 =========
1432 */
1433 void VM_floor(prvm_prog_t *prog)
1434 {
1435         VM_SAFEPARMCOUNT(1,VM_floor);
1436
1437         PRVM_G_FLOAT(OFS_RETURN) = floor(PRVM_G_FLOAT(OFS_PARM0));
1438 }
1439
1440 /*
1441 =========
1442 VM_ceil
1443
1444 float   ceil(float)
1445 =========
1446 */
1447 void VM_ceil(prvm_prog_t *prog)
1448 {
1449         VM_SAFEPARMCOUNT(1,VM_ceil);
1450
1451         PRVM_G_FLOAT(OFS_RETURN) = ceil(PRVM_G_FLOAT(OFS_PARM0));
1452 }
1453
1454
1455 /*
1456 =============
1457 VM_nextent
1458
1459 entity  nextent(entity)
1460 =============
1461 */
1462 void VM_nextent(prvm_prog_t *prog)
1463 {
1464         int             i;
1465         prvm_edict_t    *ent;
1466
1467         VM_SAFEPARMCOUNT(1, VM_nextent);
1468
1469         i = PRVM_G_EDICTNUM(OFS_PARM0);
1470         while (1)
1471         {
1472                 prog->xfunction->builtinsprofile++;
1473                 i++;
1474                 if (i == prog->num_edicts)
1475                 {
1476                         VM_RETURN_EDICT(prog->edicts);
1477                         return;
1478                 }
1479                 ent = PRVM_EDICT_NUM(i);
1480                 if (!ent->priv.required->free)
1481                 {
1482                         VM_RETURN_EDICT(ent);
1483                         return;
1484                 }
1485         }
1486 }
1487
1488 //=============================================================================
1489
1490 /*
1491 ==============
1492 VM_changelevel
1493 server and menu
1494
1495 changelevel(string map)
1496 ==============
1497 */
1498 void VM_changelevel(prvm_prog_t *prog)
1499 {
1500         char vabuf[1024];
1501         VM_SAFEPARMCOUNT(1, VM_changelevel);
1502
1503         if(!sv.active)
1504         {
1505                 VM_Warning(prog, "VM_changelevel: game is not server (%s)\n", prog->name);
1506                 return;
1507         }
1508
1509 // make sure we don't issue two changelevels
1510         if (svs.changelevel_issued)
1511                 return;
1512         svs.changelevel_issued = true;
1513
1514         Cbuf_AddText(va(vabuf, sizeof(vabuf), "changelevel %s\n",PRVM_G_STRING(OFS_PARM0)));
1515 }
1516
1517 /*
1518 =========
1519 VM_sin
1520
1521 float   sin(float)
1522 =========
1523 */
1524 void VM_sin(prvm_prog_t *prog)
1525 {
1526         VM_SAFEPARMCOUNT(1,VM_sin);
1527         PRVM_G_FLOAT(OFS_RETURN) = sin(PRVM_G_FLOAT(OFS_PARM0));
1528 }
1529
1530 /*
1531 =========
1532 VM_cos
1533 float   cos(float)
1534 =========
1535 */
1536 void VM_cos(prvm_prog_t *prog)
1537 {
1538         VM_SAFEPARMCOUNT(1,VM_cos);
1539         PRVM_G_FLOAT(OFS_RETURN) = cos(PRVM_G_FLOAT(OFS_PARM0));
1540 }
1541
1542 /*
1543 =========
1544 VM_sqrt
1545
1546 float   sqrt(float)
1547 =========
1548 */
1549 void VM_sqrt(prvm_prog_t *prog)
1550 {
1551         VM_SAFEPARMCOUNT(1,VM_sqrt);
1552         PRVM_G_FLOAT(OFS_RETURN) = sqrt(PRVM_G_FLOAT(OFS_PARM0));
1553 }
1554
1555 /*
1556 =========
1557 VM_asin
1558
1559 float   asin(float)
1560 =========
1561 */
1562 void VM_asin(prvm_prog_t *prog)
1563 {
1564         VM_SAFEPARMCOUNT(1,VM_asin);
1565         PRVM_G_FLOAT(OFS_RETURN) = asin(PRVM_G_FLOAT(OFS_PARM0));
1566 }
1567
1568 /*
1569 =========
1570 VM_acos
1571 float   acos(float)
1572 =========
1573 */
1574 void VM_acos(prvm_prog_t *prog)
1575 {
1576         VM_SAFEPARMCOUNT(1,VM_acos);
1577         PRVM_G_FLOAT(OFS_RETURN) = acos(PRVM_G_FLOAT(OFS_PARM0));
1578 }
1579
1580 /*
1581 =========
1582 VM_atan
1583 float   atan(float)
1584 =========
1585 */
1586 void VM_atan(prvm_prog_t *prog)
1587 {
1588         VM_SAFEPARMCOUNT(1,VM_atan);
1589         PRVM_G_FLOAT(OFS_RETURN) = atan(PRVM_G_FLOAT(OFS_PARM0));
1590 }
1591
1592 /*
1593 =========
1594 VM_atan2
1595 float   atan2(float,float)
1596 =========
1597 */
1598 void VM_atan2(prvm_prog_t *prog)
1599 {
1600         VM_SAFEPARMCOUNT(2,VM_atan2);
1601         PRVM_G_FLOAT(OFS_RETURN) = atan2(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1602 }
1603
1604 /*
1605 =========
1606 VM_tan
1607 float   tan(float)
1608 =========
1609 */
1610 void VM_tan(prvm_prog_t *prog)
1611 {
1612         VM_SAFEPARMCOUNT(1,VM_tan);
1613         PRVM_G_FLOAT(OFS_RETURN) = tan(PRVM_G_FLOAT(OFS_PARM0));
1614 }
1615
1616 /*
1617 =================
1618 VM_randomvec
1619
1620 Returns a vector of length < 1 and > 0
1621
1622 vector randomvec()
1623 =================
1624 */
1625 void VM_randomvec(prvm_prog_t *prog)
1626 {
1627         vec3_t temp;
1628         VM_SAFEPARMCOUNT(0, VM_randomvec);
1629         VectorRandom(temp);
1630         VectorCopy(temp, PRVM_G_VECTOR(OFS_RETURN));
1631 }
1632
1633 //=============================================================================
1634
1635 /*
1636 =========
1637 VM_registercvar
1638
1639 float   registercvar (string name, string value[, float flags])
1640 =========
1641 */
1642 void VM_registercvar(prvm_prog_t *prog)
1643 {
1644         const char *name, *value;
1645         int     flags;
1646
1647         VM_SAFEPARMCOUNTRANGE(2, 3, VM_registercvar);
1648
1649         name = PRVM_G_STRING(OFS_PARM0);
1650         value = PRVM_G_STRING(OFS_PARM1);
1651         flags = prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : 0;
1652         PRVM_G_FLOAT(OFS_RETURN) = 0;
1653
1654         if(flags > CVAR_MAXFLAGSVAL)
1655                 return;
1656
1657 // first check to see if it has already been defined
1658         if (Cvar_FindVar (name))
1659                 return;
1660
1661 // check for overlap with a command
1662         if (Cmd_Exists (name))
1663         {
1664                 VM_Warning(prog, "VM_registercvar: %s is a command\n", name);
1665                 return;
1666         }
1667
1668         Cvar_Get(name, value, flags, NULL);
1669
1670         PRVM_G_FLOAT(OFS_RETURN) = 1; // success
1671 }
1672
1673
1674 /*
1675 =================
1676 VM_min
1677
1678 returns the minimum of two supplied floats
1679
1680 float min(float a, float b, ...[float])
1681 =================
1682 */
1683 void VM_min(prvm_prog_t *prog)
1684 {
1685         VM_SAFEPARMCOUNTRANGE(2, 8, VM_min);
1686         // LordHavoc: 3+ argument enhancement suggested by FrikaC
1687         if (prog->argc >= 3)
1688         {
1689                 int i;
1690                 float f = PRVM_G_FLOAT(OFS_PARM0);
1691                 for (i = 1;i < prog->argc;i++)
1692                         if (f > PRVM_G_FLOAT((OFS_PARM0+i*3)))
1693                                 f = PRVM_G_FLOAT((OFS_PARM0+i*3));
1694                 PRVM_G_FLOAT(OFS_RETURN) = f;
1695         }
1696         else
1697                 PRVM_G_FLOAT(OFS_RETURN) = min(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1698 }
1699
1700 /*
1701 =================
1702 VM_max
1703
1704 returns the maximum of two supplied floats
1705
1706 float   max(float a, float b, ...[float])
1707 =================
1708 */
1709 void VM_max(prvm_prog_t *prog)
1710 {
1711         VM_SAFEPARMCOUNTRANGE(2, 8, VM_max);
1712         // LordHavoc: 3+ argument enhancement suggested by FrikaC
1713         if (prog->argc >= 3)
1714         {
1715                 int i;
1716                 float f = PRVM_G_FLOAT(OFS_PARM0);
1717                 for (i = 1;i < prog->argc;i++)
1718                         if (f < PRVM_G_FLOAT((OFS_PARM0+i*3)))
1719                                 f = PRVM_G_FLOAT((OFS_PARM0+i*3));
1720                 PRVM_G_FLOAT(OFS_RETURN) = f;
1721         }
1722         else
1723                 PRVM_G_FLOAT(OFS_RETURN) = max(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1724 }
1725
1726 /*
1727 =================
1728 VM_bound
1729
1730 returns number bounded by supplied range
1731
1732 float   bound(float min, float value, float max)
1733 =================
1734 */
1735 void VM_bound(prvm_prog_t *prog)
1736 {
1737         VM_SAFEPARMCOUNT(3,VM_bound);
1738         PRVM_G_FLOAT(OFS_RETURN) = bound(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1), PRVM_G_FLOAT(OFS_PARM2));
1739 }
1740
1741 /*
1742 =================
1743 VM_pow
1744
1745 returns a raised to power b
1746
1747 float   pow(float a, float b)
1748 =================
1749 */
1750 void VM_pow(prvm_prog_t *prog)
1751 {
1752         VM_SAFEPARMCOUNT(2,VM_pow);
1753         PRVM_G_FLOAT(OFS_RETURN) = pow(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1754 }
1755
1756 void VM_log(prvm_prog_t *prog)
1757 {
1758         VM_SAFEPARMCOUNT(1,VM_log);
1759         PRVM_G_FLOAT(OFS_RETURN) = log(PRVM_G_FLOAT(OFS_PARM0));
1760 }
1761
1762 void VM_Files_Init(prvm_prog_t *prog)
1763 {
1764         int i;
1765         for (i = 0;i < PRVM_MAX_OPENFILES;i++)
1766                 prog->openfiles[i] = NULL;
1767 }
1768
1769 void VM_Files_CloseAll(prvm_prog_t *prog)
1770 {
1771         int i;
1772         for (i = 0;i < PRVM_MAX_OPENFILES;i++)
1773         {
1774                 if (prog->openfiles[i])
1775                         FS_Close(prog->openfiles[i]);
1776                 prog->openfiles[i] = NULL;
1777         }
1778 }
1779
1780 static qfile_t *VM_GetFileHandle(prvm_prog_t *prog, int index)
1781 {
1782         if (index < 0 || index >= PRVM_MAX_OPENFILES)
1783         {
1784                 Con_Printf("VM_GetFileHandle: invalid file handle %i used in %s\n", index, prog->name);
1785                 return NULL;
1786         }
1787         if (prog->openfiles[index] == NULL)
1788         {
1789                 Con_Printf("VM_GetFileHandle: no such file handle %i (or file has been closed) in %s\n", index, prog->name);
1790                 return NULL;
1791         }
1792         return prog->openfiles[index];
1793 }
1794
1795 /*
1796 =========
1797 VM_fopen
1798
1799 float   fopen(string filename, float mode)
1800 =========
1801 */
1802 // float(string filename, float mode) fopen = #110;
1803 // opens a file inside quake/gamedir/data/ (mode is FILE_READ, FILE_APPEND, or FILE_WRITE),
1804 // returns fhandle >= 0 if successful, or fhandle < 0 if unable to open file for any reason
1805 void VM_fopen(prvm_prog_t *prog)
1806 {
1807         int filenum, mode;
1808         const char *modestring, *filename;
1809         char vabuf[1024];
1810
1811         VM_SAFEPARMCOUNT(2,VM_fopen);
1812
1813         for (filenum = 0;filenum < PRVM_MAX_OPENFILES;filenum++)
1814                 if (prog->openfiles[filenum] == NULL)
1815                         break;
1816         if (filenum >= PRVM_MAX_OPENFILES)
1817         {
1818                 PRVM_G_FLOAT(OFS_RETURN) = -2;
1819                 VM_Warning(prog, "VM_fopen: %s ran out of file handles (%i)\n", prog->name, PRVM_MAX_OPENFILES);
1820                 return;
1821         }
1822         filename = PRVM_G_STRING(OFS_PARM0);
1823         mode = (int)PRVM_G_FLOAT(OFS_PARM1);
1824         switch(mode)
1825         {
1826         case 0: // FILE_READ
1827                 modestring = "rb";
1828                 prog->openfiles[filenum] = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "data/%s", filename), false);
1829                 if (prog->openfiles[filenum] == NULL)
1830                         prog->openfiles[filenum] = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "%s", filename), false);
1831                 break;
1832         case 1: // FILE_APPEND
1833                 modestring = "a";
1834                 prog->openfiles[filenum] = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "data/%s", filename), modestring, false);
1835                 break;
1836         case 2: // FILE_WRITE
1837                 modestring = "w";
1838                 prog->openfiles[filenum] = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "data/%s", filename), modestring, false);
1839                 break;
1840         default:
1841                 PRVM_G_FLOAT(OFS_RETURN) = -3;
1842                 VM_Warning(prog, "VM_fopen: %s: no such mode %i (valid: 0 = read, 1 = append, 2 = write)\n", prog->name, mode);
1843                 return;
1844         }
1845
1846         if (prog->openfiles[filenum] == NULL)
1847         {
1848                 PRVM_G_FLOAT(OFS_RETURN) = -1;
1849                 if (developer_extra.integer)
1850                         VM_Warning(prog, "VM_fopen: %s: %s mode %s failed\n", prog->name, filename, modestring);
1851         }
1852         else
1853         {
1854                 PRVM_G_FLOAT(OFS_RETURN) = filenum;
1855                 if (developer_extra.integer)
1856                         Con_DPrintf("VM_fopen: %s: %s mode %s opened as #%i\n", prog->name, filename, modestring, filenum);
1857                 prog->openfiles_origin[filenum] = PRVM_AllocationOrigin(prog);
1858         }
1859 }
1860
1861 /*
1862 =========
1863 VM_fclose
1864
1865 fclose(float fhandle)
1866 =========
1867 */
1868 //void(float fhandle) fclose = #111; // closes a file
1869 void VM_fclose(prvm_prog_t *prog)
1870 {
1871         int filenum;
1872
1873         VM_SAFEPARMCOUNT(1,VM_fclose);
1874
1875         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1876         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1877         {
1878                 VM_Warning(prog, "VM_fclose: invalid file handle %i used in %s\n", filenum, prog->name);
1879                 return;
1880         }
1881         if (prog->openfiles[filenum] == NULL)
1882         {
1883                 VM_Warning(prog, "VM_fclose: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
1884                 return;
1885         }
1886         FS_Close(prog->openfiles[filenum]);
1887         prog->openfiles[filenum] = NULL;
1888         if(prog->openfiles_origin[filenum])
1889                 PRVM_Free((char *)prog->openfiles_origin[filenum]);
1890         if (developer_extra.integer)
1891                 Con_DPrintf("VM_fclose: %s: #%i closed\n", prog->name, filenum);
1892 }
1893
1894 /*
1895 =========
1896 VM_fgets
1897
1898 string  fgets(float fhandle)
1899 =========
1900 */
1901 //string(float fhandle) fgets = #112; // reads a line of text from the file and returns as a tempstring
1902 void VM_fgets(prvm_prog_t *prog)
1903 {
1904         int c, end;
1905         char string[VM_STRINGTEMP_LENGTH];
1906         int filenum;
1907
1908         VM_SAFEPARMCOUNT(1,VM_fgets);
1909
1910         // set the return value regardless of any possible errors
1911         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1912
1913         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1914         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1915         {
1916                 VM_Warning(prog, "VM_fgets: invalid file handle %i used in %s\n", filenum, prog->name);
1917                 return;
1918         }
1919         if (prog->openfiles[filenum] == NULL)
1920         {
1921                 VM_Warning(prog, "VM_fgets: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
1922                 return;
1923         }
1924         end = 0;
1925         for (;;)
1926         {
1927                 c = FS_Getc(prog->openfiles[filenum]);
1928                 if (c == '\r' || c == '\n' || c < 0)
1929                         break;
1930                 if (end < VM_STRINGTEMP_LENGTH - 1)
1931                         string[end++] = c;
1932         }
1933         string[end] = 0;
1934         // remove \n following \r
1935         if (c == '\r')
1936         {
1937                 c = FS_Getc(prog->openfiles[filenum]);
1938                 if (c != '\n')
1939                         FS_UnGetc(prog->openfiles[filenum], (unsigned char)c);
1940         }
1941         if (developer_extra.integer)
1942                 Con_DPrintf("fgets: %s: %s\n", prog->name, string);
1943         if (c >= 0 || end)
1944                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
1945 }
1946
1947 /*
1948 =========
1949 VM_fputs
1950
1951 fputs(float fhandle, string s)
1952 =========
1953 */
1954 //void(float fhandle, string s) fputs = #113; // writes a line of text to the end of the file
1955 void VM_fputs(prvm_prog_t *prog)
1956 {
1957         int stringlength;
1958         char string[VM_STRINGTEMP_LENGTH];
1959         int filenum;
1960
1961         VM_SAFEPARMCOUNT(2,VM_fputs);
1962
1963         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1964         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1965         {
1966                 VM_Warning(prog, "VM_fputs: invalid file handle %i used in %s\n", filenum, prog->name);
1967                 return;
1968         }
1969         if (prog->openfiles[filenum] == NULL)
1970         {
1971                 VM_Warning(prog, "VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
1972                 return;
1973         }
1974         VM_VarString(prog, 1, string, sizeof(string));
1975         if ((stringlength = (int)strlen(string)))
1976                 FS_Write(prog->openfiles[filenum], string, stringlength);
1977         if (developer_extra.integer)
1978                 Con_DPrintf("fputs: %s: %s\n", prog->name, string);
1979 }
1980
1981 /*
1982 =========
1983 VM_writetofile
1984
1985         writetofile(float fhandle, entity ent)
1986 =========
1987 */
1988 void VM_writetofile(prvm_prog_t *prog)
1989 {
1990         prvm_edict_t * ent;
1991         qfile_t *file;
1992
1993         VM_SAFEPARMCOUNT(2, VM_writetofile);
1994
1995         file = VM_GetFileHandle(prog, (int)PRVM_G_FLOAT(OFS_PARM0));
1996         if( !file )
1997         {
1998                 VM_Warning(prog, "VM_writetofile: invalid or closed file handle\n");
1999                 return;
2000         }
2001
2002         ent = PRVM_G_EDICT(OFS_PARM1);
2003         if(ent->priv.required->free)
2004         {
2005                 VM_Warning(prog, "VM_writetofile: %s: entity %i is free !\n", prog->name, PRVM_NUM_FOR_EDICT(ent));
2006                 return;
2007         }
2008
2009         PRVM_ED_Write (prog, file, ent);
2010 }
2011
2012 // KrimZon - DP_QC_ENTITYDATA
2013 /*
2014 =========
2015 VM_numentityfields
2016
2017 float() numentityfields
2018 Return the number of entity fields - NOT offsets
2019 =========
2020 */
2021 void VM_numentityfields(prvm_prog_t *prog)
2022 {
2023         PRVM_G_FLOAT(OFS_RETURN) = prog->numfielddefs;
2024 }
2025
2026 // KrimZon - DP_QC_ENTITYDATA
2027 /*
2028 =========
2029 VM_entityfieldname
2030
2031 string(float fieldnum) entityfieldname
2032 Return name of the specified field as a string, or empty if the field is invalid (warning)
2033 =========
2034 */
2035 void VM_entityfieldname(prvm_prog_t *prog)
2036 {
2037         ddef_t *d;
2038         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2039
2040         if (i < 0 || i >= prog->numfielddefs)
2041         {
2042                 VM_Warning(prog, "VM_entityfieldname: %s: field index out of bounds\n", prog->name);
2043                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2044                 return;
2045         }
2046
2047         d = &prog->fielddefs[i];
2048         PRVM_G_INT(OFS_RETURN) = d->s_name; // presuming that s_name points to a string already
2049 }
2050
2051 // KrimZon - DP_QC_ENTITYDATA
2052 /*
2053 =========
2054 VM_entityfieldtype
2055
2056 float(float fieldnum) entityfieldtype
2057 =========
2058 */
2059 void VM_entityfieldtype(prvm_prog_t *prog)
2060 {
2061         ddef_t *d;
2062         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2063
2064         if (i < 0 || i >= prog->numfielddefs)
2065         {
2066                 VM_Warning(prog, "VM_entityfieldtype: %s: field index out of bounds\n", prog->name);
2067                 PRVM_G_FLOAT(OFS_RETURN) = -1.0;
2068                 return;
2069         }
2070
2071         d = &prog->fielddefs[i];
2072         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t)d->type;
2073 }
2074
2075 // KrimZon - DP_QC_ENTITYDATA
2076 /*
2077 =========
2078 VM_getentityfieldstring
2079
2080 string(float fieldnum, entity ent) getentityfieldstring
2081 =========
2082 */
2083 void VM_getentityfieldstring(prvm_prog_t *prog)
2084 {
2085         // put the data into a string
2086         ddef_t *d;
2087         int type, j;
2088         prvm_eval_t *val;
2089         prvm_edict_t * ent;
2090         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2091         char valuebuf[MAX_INPUTLINE];
2092
2093         if (i < 0 || i >= prog->numfielddefs)
2094         {
2095         VM_Warning(prog, "VM_entityfielddata: %s: field index out of bounds\n", prog->name);
2096                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2097                 return;
2098         }
2099
2100         d = &prog->fielddefs[i];
2101
2102         // get the entity
2103         ent = PRVM_G_EDICT(OFS_PARM1);
2104         if(ent->priv.required->free)
2105         {
2106                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2107                 VM_Warning(prog, "VM_entityfielddata: %s: entity %i is free !\n", prog->name, PRVM_NUM_FOR_EDICT(ent));
2108                 return;
2109         }
2110         val = (prvm_eval_t *)(ent->fields.fp + d->ofs);
2111
2112         // if it's 0 or blank, return an empty string
2113         type = d->type & ~DEF_SAVEGLOBAL;
2114         for (j=0 ; j<prvm_type_size[type] ; j++)
2115                 if (val->ivector[j])
2116                         break;
2117         if (j == prvm_type_size[type])
2118         {
2119                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2120                 return;
2121         }
2122
2123         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, PRVM_UglyValueString(prog, (etype_t)d->type, val, valuebuf, sizeof(valuebuf)));
2124 }
2125
2126 // KrimZon - DP_QC_ENTITYDATA
2127 /*
2128 =========
2129 VM_putentityfieldstring
2130
2131 float(float fieldnum, entity ent, string s) putentityfieldstring
2132 =========
2133 */
2134 void VM_putentityfieldstring(prvm_prog_t *prog)
2135 {
2136         ddef_t *d;
2137         prvm_edict_t * ent;
2138         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2139
2140         if (i < 0 || i >= prog->numfielddefs)
2141         {
2142         VM_Warning(prog, "VM_entityfielddata: %s: field index out of bounds\n", prog->name);
2143                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2144                 return;
2145         }
2146
2147         d = &prog->fielddefs[i];
2148
2149         // get the entity
2150         ent = PRVM_G_EDICT(OFS_PARM1);
2151         if(ent->priv.required->free)
2152         {
2153                 VM_Warning(prog, "VM_entityfielddata: %s: entity %i is free !\n", prog->name, PRVM_NUM_FOR_EDICT(ent));
2154                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2155                 return;
2156         }
2157
2158         // parse the string into the value
2159         PRVM_G_FLOAT(OFS_RETURN) = ( PRVM_ED_ParseEpair(prog, ent, d, PRVM_G_STRING(OFS_PARM2), false) ) ? 1.0f : 0.0f;
2160 }
2161
2162 /*
2163 =========
2164 VM_strlen
2165
2166 float   strlen(string s)
2167 =========
2168 */
2169 //float(string s) strlen = #114; // returns how many characters are in a string
2170 void VM_strlen(prvm_prog_t *prog)
2171 {
2172         VM_SAFEPARMCOUNT(1,VM_strlen);
2173
2174         //PRVM_G_FLOAT(OFS_RETURN) = strlen(PRVM_G_STRING(OFS_PARM0));
2175         PRVM_G_FLOAT(OFS_RETURN) = u8_strlen(PRVM_G_STRING(OFS_PARM0));
2176 }
2177
2178 // DRESK - Decolorized String
2179 /*
2180 =========
2181 VM_strdecolorize
2182
2183 string  strdecolorize(string s)
2184 =========
2185 */
2186 // string (string s) strdecolorize = #472; // returns the passed in string with color codes stripped
2187 void VM_strdecolorize(prvm_prog_t *prog)
2188 {
2189         char szNewString[VM_STRINGTEMP_LENGTH];
2190         const char *szString;
2191
2192         // Prepare Strings
2193         VM_SAFEPARMCOUNT(1,VM_strdecolorize);
2194         szString = PRVM_G_STRING(OFS_PARM0);
2195         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
2196         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
2197 }
2198
2199 // DRESK - String Length (not counting color codes)
2200 /*
2201 =========
2202 VM_strlennocol
2203
2204 float   strlennocol(string s)
2205 =========
2206 */
2207 // float(string s) strlennocol = #471; // returns how many characters are in a string not including color codes
2208 // For example, ^2Dresk returns a length of 5
2209 void VM_strlennocol(prvm_prog_t *prog)
2210 {
2211         const char *szString;
2212         int nCnt;
2213
2214         VM_SAFEPARMCOUNT(1,VM_strlennocol);
2215
2216         szString = PRVM_G_STRING(OFS_PARM0);
2217
2218         //nCnt = (int)COM_StringLengthNoColors(szString, 0, NULL);
2219         nCnt = (int)u8_COM_StringLengthNoColors(szString, 0, NULL);
2220
2221         PRVM_G_FLOAT(OFS_RETURN) = nCnt;
2222 }
2223
2224 // DRESK - String to Uppercase and Lowercase
2225 /*
2226 =========
2227 VM_strtolower
2228
2229 string  strtolower(string s)
2230 =========
2231 */
2232 // string (string s) strtolower = #480; // returns passed in string in lowercase form
2233 void VM_strtolower(prvm_prog_t *prog)
2234 {
2235         char szNewString[VM_STRINGTEMP_LENGTH];
2236         const char *szString;
2237
2238         // Prepare Strings
2239         VM_SAFEPARMCOUNT(1,VM_strtolower);
2240         szString = PRVM_G_STRING(OFS_PARM0);
2241
2242         COM_ToLowerString(szString, szNewString, sizeof(szNewString) );
2243
2244         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
2245 }
2246
2247 /*
2248 =========
2249 VM_strtoupper
2250
2251 string  strtoupper(string s)
2252 =========
2253 */
2254 // string (string s) strtoupper = #481; // returns passed in string in uppercase form
2255 void VM_strtoupper(prvm_prog_t *prog)
2256 {
2257         char szNewString[VM_STRINGTEMP_LENGTH];
2258         const char *szString;
2259
2260         // Prepare Strings
2261         VM_SAFEPARMCOUNT(1,VM_strtoupper);
2262         szString = PRVM_G_STRING(OFS_PARM0);
2263
2264         COM_ToUpperString(szString, szNewString, sizeof(szNewString) );
2265
2266         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
2267 }
2268
2269 /*
2270 =========
2271 VM_strcat
2272
2273 string strcat(string,string,...[string])
2274 =========
2275 */
2276 //string(string s1, string s2) strcat = #115;
2277 // concatenates two strings (for example "abc", "def" would return "abcdef")
2278 // and returns as a tempstring
2279 void VM_strcat(prvm_prog_t *prog)
2280 {
2281         char s[VM_STRINGTEMP_LENGTH];
2282         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strcat);
2283
2284         VM_VarString(prog, 0, s, sizeof(s));
2285         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
2286 }
2287
2288 /*
2289 =========
2290 VM_substring
2291
2292 string  substring(string s, float start, float length)
2293 =========
2294 */
2295 // string(string s, float start, float length) substring = #116;
2296 // returns a section of a string as a tempstring
2297 void VM_substring(prvm_prog_t *prog)
2298 {
2299         int start, length;
2300         int u_slength = 0, u_start;
2301         size_t u_length;
2302         const char *s;
2303         char string[VM_STRINGTEMP_LENGTH];
2304
2305         VM_SAFEPARMCOUNT(3,VM_substring);
2306
2307         /*
2308         s = PRVM_G_STRING(OFS_PARM0);
2309         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2310         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2311         slength = strlen(s);
2312
2313         if (start < 0) // FTE_STRINGS feature
2314                 start += slength;
2315         start = bound(0, start, slength);
2316
2317         if (length < 0) // FTE_STRINGS feature
2318                 length += slength - start + 1;
2319         maxlen = min((int)sizeof(string) - 1, slength - start);
2320         length = bound(0, length, maxlen);
2321
2322         memcpy(string, s + start, length);
2323         string[length] = 0;
2324         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2325         */
2326
2327         s = PRVM_G_STRING(OFS_PARM0);
2328         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2329         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2330
2331         if (start < 0) // FTE_STRINGS feature
2332         {
2333                 u_slength = (int)u8_strlen(s);
2334                 start += u_slength;
2335                 start = bound(0, start, u_slength);
2336         }
2337
2338         if (length < 0) // FTE_STRINGS feature
2339         {
2340                 if (!u_slength) // it's not calculated when it's not needed above
2341                         u_slength = (int)u8_strlen(s);
2342                 length += u_slength - start + 1;
2343         }
2344
2345         // positive start, positive length
2346         u_start = u8_byteofs(s, start, NULL);
2347         if (u_start < 0)
2348         {
2349                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2350                 return;
2351         }
2352         u_length = u8_bytelen(s + u_start, length);
2353         if (u_length >= sizeof(string)-1)
2354                 u_length = sizeof(string)-1;
2355
2356         memcpy(string, s + u_start, u_length);
2357         string[u_length] = 0;
2358         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2359 }
2360
2361 /*
2362 =========
2363 VM_strreplace
2364
2365 string(string search, string replace, string subject) strreplace = #484;
2366 =========
2367 */
2368 // replaces all occurrences of search with replace in the string subject, and returns the result
2369 void VM_strreplace(prvm_prog_t *prog)
2370 {
2371         int i, j, si;
2372         const char *search, *replace, *subject;
2373         char string[VM_STRINGTEMP_LENGTH];
2374         int search_len, replace_len, subject_len;
2375
2376         VM_SAFEPARMCOUNT(3,VM_strreplace);
2377
2378         search = PRVM_G_STRING(OFS_PARM0);
2379         replace = PRVM_G_STRING(OFS_PARM1);
2380         subject = PRVM_G_STRING(OFS_PARM2);
2381
2382         search_len = (int)strlen(search);
2383         replace_len = (int)strlen(replace);
2384         subject_len = (int)strlen(subject);
2385
2386         si = 0;
2387         for (i = 0; i <= subject_len - search_len; i++)
2388         {
2389                 for (j = 0; j < search_len; j++) // thus, i+j < subject_len
2390                         if (subject[i+j] != search[j])
2391                                 break;
2392                 if (j == search_len)
2393                 {
2394                         // NOTE: if search_len == 0, we always hit THIS case, and never the other
2395                         // found it at offset 'i'
2396                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2397                                 string[si++] = replace[j];
2398                         if(search_len > 0)
2399                         {
2400                                 i += search_len - 1;
2401                         }
2402                         else
2403                         {
2404                                 // the above would subtract 1 from i... so we
2405                                 // don't do that, but instead output the next
2406                                 // char
2407                                 if (si < (int)sizeof(string) - 1)
2408                                         string[si++] = subject[i];
2409                         }
2410                 }
2411                 else
2412                 {
2413                         // in THIS case, we know search_len > 0, thus i < subject_len
2414                         // not found
2415                         if (si < (int)sizeof(string) - 1)
2416                                 string[si++] = subject[i];
2417                 }
2418         }
2419         // remaining chars (these cannot match)
2420         for (; i < subject_len; i++)
2421                 if (si < (int)sizeof(string) - 1)
2422                         string[si++] = subject[i];
2423         string[si] = '\0';
2424
2425         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2426 }
2427
2428 /*
2429 =========
2430 VM_strireplace
2431
2432 string(string search, string replace, string subject) strireplace = #485;
2433 =========
2434 */
2435 // case-insensitive version of strreplace
2436 void VM_strireplace(prvm_prog_t *prog)
2437 {
2438         int i, j, si;
2439         const char *search, *replace, *subject;
2440         char string[VM_STRINGTEMP_LENGTH];
2441         int search_len, replace_len, subject_len;
2442
2443         VM_SAFEPARMCOUNT(3,VM_strreplace);
2444
2445         search = PRVM_G_STRING(OFS_PARM0);
2446         replace = PRVM_G_STRING(OFS_PARM1);
2447         subject = PRVM_G_STRING(OFS_PARM2);
2448
2449         search_len = (int)strlen(search);
2450         replace_len = (int)strlen(replace);
2451         subject_len = (int)strlen(subject);
2452
2453         si = 0;
2454         for (i = 0; i <= subject_len - search_len; i++)
2455         {
2456                 for (j = 0; j < search_len; j++) // thus, i+j < subject_len
2457                         if (tolower(subject[i+j]) != tolower(search[j]))
2458                                 break;
2459                 if (j == search_len)
2460                 {
2461                         // NOTE: if search_len == 0, we always hit THIS case, and never the other
2462                         // found it at offset 'i'
2463                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2464                                 string[si++] = replace[j];
2465                         if(search_len > 0)
2466                         {
2467                                 i += search_len - 1;
2468                         }
2469                         else
2470                         {
2471                                 // the above would subtract 1 from i... so we
2472                                 // don't do that, but instead output the next
2473                                 // char
2474                                 if (si < (int)sizeof(string) - 1)
2475                                         string[si++] = subject[i];
2476                         }
2477                 }
2478                 else
2479                 {
2480                         // in THIS case, we know search_len > 0, thus i < subject_len
2481                         // not found
2482                         if (si < (int)sizeof(string) - 1)
2483                                 string[si++] = subject[i];
2484                 }
2485         }
2486         // remaining chars (these cannot match)
2487         for (; i < subject_len; i++)
2488                 if (si < (int)sizeof(string) - 1)
2489                         string[si++] = subject[i];
2490         string[si] = '\0';
2491
2492         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2493 }
2494
2495 /*
2496 =========
2497 VM_stov
2498
2499 vector  stov(string s)
2500 =========
2501 */
2502 //vector(string s) stov = #117; // returns vector value from a string
2503 void VM_stov(prvm_prog_t *prog)
2504 {
2505         char string[VM_STRINGTEMP_LENGTH];
2506
2507         VM_SAFEPARMCOUNT(1,VM_stov);
2508
2509         VM_VarString(prog, 0, string, sizeof(string));
2510         Math_atov(string, PRVM_G_VECTOR(OFS_RETURN));
2511 }
2512
2513 /*
2514 =========
2515 VM_strzone
2516
2517 string  strzone(string s)
2518 =========
2519 */
2520 //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)
2521 void VM_strzone(prvm_prog_t *prog)
2522 {
2523         char *out;
2524         char string[VM_STRINGTEMP_LENGTH];
2525         size_t alloclen;
2526
2527         VM_SAFEPARMCOUNT(1,VM_strzone);
2528
2529         VM_VarString(prog, 0, string, sizeof(string));
2530         alloclen = strlen(string) + 1;
2531         PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(prog, alloclen, &out);
2532         memcpy(out, string, alloclen);
2533 }
2534
2535 /*
2536 =========
2537 VM_strunzone
2538
2539 strunzone(string s)
2540 =========
2541 */
2542 //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!!!)
2543 void VM_strunzone(prvm_prog_t *prog)
2544 {
2545         VM_SAFEPARMCOUNT(1,VM_strunzone);
2546         PRVM_FreeString(prog, PRVM_G_INT(OFS_PARM0));
2547 }
2548
2549 /*
2550 =========
2551 VM_command (used by client and menu)
2552
2553 clientcommand(float client, string s) (for client and menu)
2554 =========
2555 */
2556 //void(entity e, string s) clientcommand = #440; // executes a command string as if it came from the specified client
2557 //this function originally written by KrimZon, made shorter by LordHavoc
2558 void VM_clcommand (prvm_prog_t *prog)
2559 {
2560         client_t *temp_client;
2561         int i;
2562
2563         VM_SAFEPARMCOUNT(2,VM_clcommand);
2564
2565         i = (int)PRVM_G_FLOAT(OFS_PARM0);
2566         if (!sv.active  || i < 0 || i >= svs.maxclients || !svs.clients[i].active)
2567         {
2568                 VM_Warning(prog, "VM_clientcommand: %s: invalid client/server is not active !\n", prog->name);
2569                 return;
2570         }
2571
2572         temp_client = host_client;
2573         host_client = svs.clients + i;
2574         Cmd_ExecuteString (PRVM_G_STRING(OFS_PARM1), src_client, true);
2575         host_client = temp_client;
2576 }
2577
2578
2579 /*
2580 =========
2581 VM_tokenize
2582
2583 float tokenize(string s)
2584 =========
2585 */
2586 //float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
2587 //this function originally written by KrimZon, made shorter by LordHavoc
2588 //20040203: rewritten by LordHavoc (no longer uses allocations)
2589 static int num_tokens = 0;
2590 static int tokens[VM_STRINGTEMP_LENGTH / 2];
2591 static int tokens_startpos[VM_STRINGTEMP_LENGTH / 2];
2592 static int tokens_endpos[VM_STRINGTEMP_LENGTH / 2];
2593 static char tokenize_string[VM_STRINGTEMP_LENGTH];
2594 void VM_tokenize (prvm_prog_t *prog)
2595 {
2596         const char *p;
2597
2598         VM_SAFEPARMCOUNT(1,VM_tokenize);
2599
2600         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2601         p = tokenize_string;
2602
2603         num_tokens = 0;
2604         for(;;)
2605         {
2606                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2607                         break;
2608
2609                 // skip whitespace here to find token start pos
2610                 while(*p && ISWHITESPACE(*p))
2611                         ++p;
2612
2613                 tokens_startpos[num_tokens] = p - tokenize_string;
2614                 if(!COM_ParseToken_VM_Tokenize(&p, false))
2615                         break;
2616                 tokens_endpos[num_tokens] = p - tokenize_string;
2617                 tokens[num_tokens] = PRVM_SetTempString(prog, com_token);
2618                 ++num_tokens;
2619         }
2620
2621         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2622 }
2623
2624 //float(string s) tokenize = #514; // takes apart a string into individal words (access them with argv), returns how many
2625 void VM_tokenize_console (prvm_prog_t *prog)
2626 {
2627         const char *p;
2628
2629         VM_SAFEPARMCOUNT(1,VM_tokenize);
2630
2631         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2632         p = tokenize_string;
2633
2634         num_tokens = 0;
2635         for(;;)
2636         {
2637                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2638                         break;
2639
2640                 // skip whitespace here to find token start pos
2641                 while(*p && ISWHITESPACE(*p))
2642                         ++p;
2643
2644                 tokens_startpos[num_tokens] = p - tokenize_string;
2645                 if(!COM_ParseToken_Console(&p))
2646                         break;
2647                 tokens_endpos[num_tokens] = p - tokenize_string;
2648                 tokens[num_tokens] = PRVM_SetTempString(prog, com_token);
2649                 ++num_tokens;
2650         }
2651
2652         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2653 }
2654
2655 /*
2656 =========
2657 VM_tokenizebyseparator
2658
2659 float tokenizebyseparator(string s, string separator1, ...)
2660 =========
2661 */
2662 //float(string s, string separator1, ...) tokenizebyseparator = #479; // takes apart a string into individal words (access them with argv), returns how many
2663 //this function returns the token preceding each instance of a separator (of
2664 //which there can be multiple), and the text following the last separator
2665 //useful for parsing certain kinds of data like IP addresses
2666 //example:
2667 //numnumbers = tokenizebyseparator("10.1.2.3", ".");
2668 //returns 4 and the tokens "10" "1" "2" "3".
2669 void VM_tokenizebyseparator (prvm_prog_t *prog)
2670 {
2671         int j, k;
2672         int numseparators;
2673         int separatorlen[7];
2674         const char *separators[7];
2675         const char *p, *p0;
2676         const char *token;
2677         char tokentext[MAX_INPUTLINE];
2678
2679         VM_SAFEPARMCOUNTRANGE(2, 8,VM_tokenizebyseparator);
2680
2681         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2682         p = tokenize_string;
2683
2684         numseparators = 0;
2685         for (j = 1;j < prog->argc;j++)
2686         {
2687                 // skip any blank separator strings
2688                 const char *s = PRVM_G_STRING(OFS_PARM0+j*3);
2689                 if (!s[0])
2690                         continue;
2691                 separators[numseparators] = s;
2692                 separatorlen[numseparators] = (int)strlen(s);
2693                 numseparators++;
2694         }
2695
2696         num_tokens = 0;
2697         j = 0;
2698
2699         while (num_tokens < (int)(sizeof(tokens)/sizeof(tokens[0])))
2700         {
2701                 token = tokentext + j;
2702                 tokens_startpos[num_tokens] = p - tokenize_string;
2703                 p0 = p;
2704                 while (*p)
2705                 {
2706                         for (k = 0;k < numseparators;k++)
2707                         {
2708                                 if (!strncmp(p, separators[k], separatorlen[k]))
2709                                 {
2710                                         p += separatorlen[k];
2711                                         break;
2712                                 }
2713                         }
2714                         if (k < numseparators)
2715                                 break;
2716                         if (j < (int)sizeof(tokentext)-1)
2717                                 tokentext[j++] = *p;
2718                         p++;
2719                         p0 = p;
2720                 }
2721                 tokens_endpos[num_tokens] = p0 - tokenize_string;
2722                 if (j >= (int)sizeof(tokentext))
2723                         break;
2724                 tokentext[j++] = 0;
2725                 tokens[num_tokens++] = PRVM_SetTempString(prog, token);
2726                 if (!*p)
2727                         break;
2728         }
2729
2730         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2731 }
2732
2733 //string(float n) argv = #442; // returns a word from the tokenized string (returns nothing for an invalid index)
2734 //this function originally written by KrimZon, made shorter by LordHavoc
2735 void VM_argv (prvm_prog_t *prog)
2736 {
2737         int token_num;
2738
2739         VM_SAFEPARMCOUNT(1,VM_argv);
2740
2741         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2742
2743         if(token_num < 0)
2744                 token_num += num_tokens;
2745
2746         if (token_num >= 0 && token_num < num_tokens)
2747                 PRVM_G_INT(OFS_RETURN) = tokens[token_num];
2748         else
2749                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
2750 }
2751
2752 //float(float n) argv_start_index = #515; // returns the start index of a token
2753 void VM_argv_start_index (prvm_prog_t *prog)
2754 {
2755         int token_num;
2756
2757         VM_SAFEPARMCOUNT(1,VM_argv);
2758
2759         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2760
2761         if(token_num < 0)
2762                 token_num += num_tokens;
2763
2764         if (token_num >= 0 && token_num < num_tokens)
2765                 PRVM_G_FLOAT(OFS_RETURN) = tokens_startpos[token_num];
2766         else
2767                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2768 }
2769
2770 //float(float n) argv_end_index = #516; // returns the end index of a token
2771 void VM_argv_end_index (prvm_prog_t *prog)
2772 {
2773         int token_num;
2774
2775         VM_SAFEPARMCOUNT(1,VM_argv);
2776
2777         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2778
2779         if(token_num < 0)
2780                 token_num += num_tokens;
2781
2782         if (token_num >= 0 && token_num < num_tokens)
2783                 PRVM_G_FLOAT(OFS_RETURN) = tokens_endpos[token_num];
2784         else
2785                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2786 }
2787
2788 /*
2789 =========
2790 VM_isserver
2791
2792 float   isserver()
2793 =========
2794 */
2795 void VM_isserver(prvm_prog_t *prog)
2796 {
2797         VM_SAFEPARMCOUNT(0,VM_serverstate);
2798
2799         PRVM_G_FLOAT(OFS_RETURN) = sv.active;
2800 }
2801
2802 /*
2803 =========
2804 VM_clientcount
2805
2806 float   clientcount()
2807 =========
2808 */
2809 void VM_clientcount(prvm_prog_t *prog)
2810 {
2811         VM_SAFEPARMCOUNT(0,VM_clientcount);
2812
2813         PRVM_G_FLOAT(OFS_RETURN) = svs.maxclients;
2814 }
2815
2816 /*
2817 =========
2818 VM_clientstate
2819
2820 float   clientstate()
2821 =========
2822 */
2823 void VM_clientstate(prvm_prog_t *prog)
2824 {
2825         VM_SAFEPARMCOUNT(0,VM_clientstate);
2826
2827
2828         switch( cls.state ) {
2829                 case ca_uninitialized:
2830                 case ca_dedicated:
2831                         PRVM_G_FLOAT(OFS_RETURN) = 0;
2832                         break;
2833                 case ca_disconnected:
2834                         PRVM_G_FLOAT(OFS_RETURN) = 1;
2835                         break;
2836                 case ca_connected:
2837                         PRVM_G_FLOAT(OFS_RETURN) = 2;
2838                         break;
2839                 default:
2840                         // should never be reached!
2841                         break;
2842         }
2843 }
2844
2845 /*
2846 =========
2847 VM_getostype
2848
2849 float   getostype(prvm_prog_t *prog)
2850 =========
2851 */ // not used at the moment -> not included in the common list
2852 void VM_getostype(prvm_prog_t *prog)
2853 {
2854         VM_SAFEPARMCOUNT(0,VM_getostype);
2855
2856         /*
2857         OS_WINDOWS
2858         OS_LINUX
2859         OS_MAC - not supported
2860         */
2861
2862 #ifdef WIN32
2863         PRVM_G_FLOAT(OFS_RETURN) = 0;
2864 #elif defined(MACOSX)
2865         PRVM_G_FLOAT(OFS_RETURN) = 2;
2866 #else
2867         PRVM_G_FLOAT(OFS_RETURN) = 1;
2868 #endif
2869 }
2870
2871 /*
2872 =========
2873 VM_gettime
2874
2875 float   gettime(prvm_prog_t *prog)
2876 =========
2877 */
2878 #ifdef CONFIG_CD
2879 float CDAudio_GetPosition(void);
2880 #endif
2881 void VM_gettime(prvm_prog_t *prog)
2882 {
2883         int timer_index;
2884
2885         VM_SAFEPARMCOUNTRANGE(0,1,VM_gettime);
2886
2887         if(prog->argc == 0)
2888         {
2889                 PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t) realtime;
2890         }
2891         else
2892         {
2893                 timer_index = (int) PRVM_G_FLOAT(OFS_PARM0);
2894                 switch(timer_index)
2895                 {
2896                         case 0: // GETTIME_FRAMESTART
2897                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2898                                 break;
2899                         case 1: // GETTIME_REALTIME
2900                                 PRVM_G_FLOAT(OFS_RETURN) = Sys_DirtyTime();
2901                                 break;
2902                         case 2: // GETTIME_HIRES
2903                                 PRVM_G_FLOAT(OFS_RETURN) = (Sys_DirtyTime() - host_dirtytime);
2904                                 break;
2905                         case 3: // GETTIME_UPTIME
2906                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2907                                 break;
2908 #ifdef CONFIG_CD
2909                         case 4: // GETTIME_CDTRACK
2910                                 PRVM_G_FLOAT(OFS_RETURN) = CDAudio_GetPosition();
2911                                 break;
2912 #endif
2913                         default:
2914                                 VM_Warning(prog, "VM_gettime: %s: unsupported timer specified, returning realtime\n", prog->name);
2915                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2916                                 break;
2917                 }
2918         }
2919 }
2920
2921 /*
2922 =========
2923 VM_getsoundtime
2924
2925 float   getsoundtime(prvm_prog_t *prog)
2926 =========
2927 */
2928
2929 void VM_getsoundtime (prvm_prog_t *prog)
2930 {
2931         int entnum, entchannel;
2932         VM_SAFEPARMCOUNT(2,VM_getsoundtime);
2933
2934         if (prog == SVVM_prog)
2935                 entnum = PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2936         else if (prog == CLVM_prog)
2937                 entnum = MAX_EDICTS + PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2938         else
2939         {
2940                 VM_Warning(prog, "VM_getsoundtime: %s: not supported on this progs\n", prog->name);
2941                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2942                 return;
2943         }
2944         entchannel = (int)PRVM_G_FLOAT(OFS_PARM1);
2945         entchannel = CHAN_USER2ENGINE(entchannel);
2946         if (!IS_CHAN(entchannel))
2947                 VM_Warning(prog, "VM_getsoundtime: %s: bad channel %i\n", prog->name, entchannel);
2948         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t)S_GetEntChannelPosition(entnum, entchannel);
2949 }
2950
2951 /*
2952 =========
2953 VM_GetSoundLen
2954
2955 string  soundlength (string sample)
2956 =========
2957 */
2958 void VM_soundlength (prvm_prog_t *prog)
2959 {
2960         const char *s;
2961
2962         VM_SAFEPARMCOUNT(1, VM_soundlength);
2963
2964         s = PRVM_G_STRING(OFS_PARM0);
2965         PRVM_G_FLOAT(OFS_RETURN) = S_SoundLength(s);
2966 }
2967
2968 /*
2969 =========
2970 VM_loadfromdata
2971
2972 loadfromdata(string data)
2973 =========
2974 */
2975 void VM_loadfromdata(prvm_prog_t *prog)
2976 {
2977         VM_SAFEPARMCOUNT(1,VM_loadentsfromfile);
2978
2979         PRVM_ED_LoadFromFile(prog, PRVM_G_STRING(OFS_PARM0));
2980 }
2981
2982 /*
2983 ========================
2984 VM_parseentitydata
2985
2986 parseentitydata(entity ent, string data)
2987 ========================
2988 */
2989 void VM_parseentitydata(prvm_prog_t *prog)
2990 {
2991         prvm_edict_t *ent;
2992         const char *data;
2993
2994         VM_SAFEPARMCOUNT(2, VM_parseentitydata);
2995
2996         // get edict and test it
2997         ent = PRVM_G_EDICT(OFS_PARM0);
2998         if (ent->priv.required->free)
2999                 prog->error_cmd("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!", prog->name, PRVM_NUM_FOR_EDICT(ent));
3000
3001         data = PRVM_G_STRING(OFS_PARM1);
3002
3003         // parse the opening brace
3004         if (!COM_ParseToken_Simple(&data, false, false, true) || com_token[0] != '{' )
3005                 prog->error_cmd("VM_parseentitydata: %s: Couldn't parse entity data:\n%s", prog->name, data );
3006
3007         PRVM_ED_ParseEdict (prog, data, ent);
3008 }
3009
3010 /*
3011 =========
3012 VM_loadfromfile
3013
3014 loadfromfile(string file)
3015 =========
3016 */
3017 void VM_loadfromfile(prvm_prog_t *prog)
3018 {
3019         const char *filename;
3020         char *data;
3021
3022         VM_SAFEPARMCOUNT(1,VM_loadfromfile);
3023
3024         filename = PRVM_G_STRING(OFS_PARM0);
3025         if (FS_CheckNastyPath(filename, false))
3026         {
3027                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3028                 VM_Warning(prog, "VM_loadfromfile: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", prog->name, filename);
3029                 return;
3030         }
3031
3032         // not conform with VM_fopen
3033         data = (char *)FS_LoadFile(filename, tempmempool, false, NULL);
3034         if (data == NULL)
3035                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3036
3037         PRVM_ED_LoadFromFile(prog, data);
3038
3039         if(data)
3040                 Mem_Free(data);
3041 }
3042
3043
3044 /*
3045 =========
3046 VM_modulo
3047
3048 float   mod(float val, float m)
3049 =========
3050 */
3051 void VM_modulo(prvm_prog_t *prog)
3052 {
3053         prvm_int_t val, m;
3054         VM_SAFEPARMCOUNT(2,VM_module);
3055
3056         val = (prvm_int_t) PRVM_G_FLOAT(OFS_PARM0);
3057         m       = (prvm_int_t) PRVM_G_FLOAT(OFS_PARM1);
3058
3059         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t) (val % m);
3060 }
3061
3062 static void VM_Search_Init(prvm_prog_t *prog)
3063 {
3064         int i;
3065         for (i = 0;i < PRVM_MAX_OPENSEARCHES;i++)
3066                 prog->opensearches[i] = NULL;
3067 }
3068
3069 static void VM_Search_Reset(prvm_prog_t *prog)
3070 {
3071         int i;
3072         // reset the fssearch list
3073         for(i = 0; i < PRVM_MAX_OPENSEARCHES; i++)
3074         {
3075                 if(prog->opensearches[i])
3076                         FS_FreeSearch(prog->opensearches[i]);
3077                 prog->opensearches[i] = NULL;
3078         }
3079 }
3080
3081 /*
3082 =========
3083 VM_search_begin
3084
3085 float search_begin(string pattern, float caseinsensitive, float quiet)
3086 =========
3087 */
3088 void VM_search_begin(prvm_prog_t *prog)
3089 {
3090         int handle;
3091         const char *pattern;
3092         int caseinsens, quiet;
3093
3094         VM_SAFEPARMCOUNT(3, VM_search_begin);
3095
3096         pattern = PRVM_G_STRING(OFS_PARM0);
3097
3098         VM_CheckEmptyString(prog, pattern);
3099
3100         caseinsens = (int)PRVM_G_FLOAT(OFS_PARM1);
3101         quiet = (int)PRVM_G_FLOAT(OFS_PARM2);
3102
3103         for(handle = 0; handle < PRVM_MAX_OPENSEARCHES; handle++)
3104                 if(!prog->opensearches[handle])
3105                         break;
3106
3107         if(handle >= PRVM_MAX_OPENSEARCHES)
3108         {
3109                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3110                 VM_Warning(prog, "VM_search_begin: %s ran out of search handles (%i)\n", prog->name, PRVM_MAX_OPENSEARCHES);
3111                 return;
3112         }
3113
3114         if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
3115                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3116         else
3117         {
3118                 prog->opensearches_origin[handle] = PRVM_AllocationOrigin(prog);
3119                 PRVM_G_FLOAT(OFS_RETURN) = handle;
3120         }
3121 }
3122
3123 /*
3124 =========
3125 VM_search_end
3126
3127 void    search_end(float handle)
3128 =========
3129 */
3130 void VM_search_end(prvm_prog_t *prog)
3131 {
3132         int handle;
3133         VM_SAFEPARMCOUNT(1, VM_search_end);
3134
3135         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3136
3137         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3138         {
3139                 VM_Warning(prog, "VM_search_end: invalid handle %i used in %s\n", handle, prog->name);
3140                 return;
3141         }
3142         if(prog->opensearches[handle] == NULL)
3143         {
3144                 VM_Warning(prog, "VM_search_end: no such handle %i in %s\n", handle, prog->name);
3145                 return;
3146         }
3147
3148         FS_FreeSearch(prog->opensearches[handle]);
3149         prog->opensearches[handle] = NULL;
3150         if(prog->opensearches_origin[handle])
3151                 PRVM_Free((char *)prog->opensearches_origin[handle]);
3152 }
3153
3154 /*
3155 =========
3156 VM_search_getsize
3157
3158 float   search_getsize(float handle)
3159 =========
3160 */
3161 void VM_search_getsize(prvm_prog_t *prog)
3162 {
3163         int handle;
3164         VM_SAFEPARMCOUNT(1, VM_M_search_getsize);
3165
3166         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3167
3168         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3169         {
3170                 VM_Warning(prog, "VM_search_getsize: invalid handle %i used in %s\n", handle, prog->name);
3171                 return;
3172         }
3173         if(prog->opensearches[handle] == NULL)
3174         {
3175                 VM_Warning(prog, "VM_search_getsize: no such handle %i in %s\n", handle, prog->name);
3176                 return;
3177         }
3178
3179         PRVM_G_FLOAT(OFS_RETURN) = prog->opensearches[handle]->numfilenames;
3180 }
3181
3182 /*
3183 =========
3184 VM_search_getfilename
3185
3186 string  search_getfilename(float handle, float num)
3187 =========
3188 */
3189 void VM_search_getfilename(prvm_prog_t *prog)
3190 {
3191         int handle, filenum;
3192         VM_SAFEPARMCOUNT(2, VM_search_getfilename);
3193
3194         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3195         filenum = (int)PRVM_G_FLOAT(OFS_PARM1);
3196
3197         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3198         {
3199                 VM_Warning(prog, "VM_search_getfilename: invalid handle %i used in %s\n", handle, prog->name);
3200                 return;
3201         }
3202         if(prog->opensearches[handle] == NULL)
3203         {
3204                 VM_Warning(prog, "VM_search_getfilename: no such handle %i in %s\n", handle, prog->name);
3205                 return;
3206         }
3207         if(filenum < 0 || filenum >= prog->opensearches[handle]->numfilenames)
3208         {
3209                 VM_Warning(prog, "VM_search_getfilename: invalid filenum %i in %s\n", filenum, prog->name);
3210                 return;
3211         }
3212
3213         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, prog->opensearches[handle]->filenames[filenum]);
3214 }
3215
3216 /*
3217 =========
3218 VM_chr
3219
3220 string  chr(float ascii)
3221 =========
3222 */
3223 void VM_chr(prvm_prog_t *prog)
3224 {
3225         /*
3226         char tmp[2];
3227         VM_SAFEPARMCOUNT(1, VM_chr);
3228
3229         tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
3230         tmp[1] = 0;
3231
3232         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, tmp);
3233         */
3234
3235         char tmp[8];
3236         int len;
3237         VM_SAFEPARMCOUNT(1, VM_chr);
3238
3239         len = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0), tmp, sizeof(tmp));
3240         tmp[len] = 0;
3241         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, tmp);
3242 }
3243
3244 //=============================================================================
3245 // Draw builtins (client & menu)
3246
3247 /*
3248 =========
3249 VM_iscachedpic
3250
3251 float   iscachedpic(string pic)
3252 =========
3253 */
3254 void VM_iscachedpic(prvm_prog_t *prog)
3255 {
3256         VM_SAFEPARMCOUNT(1,VM_iscachedpic);
3257
3258         // drawq hasnt such a function, thus always return true
3259         PRVM_G_FLOAT(OFS_RETURN) = false;
3260 }
3261
3262 /*
3263 =========
3264 VM_precache_pic
3265
3266 string  precache_pic(string pic)
3267 =========
3268 */
3269 #define PRECACHE_PIC_FROMWAD 1 /* FTEQW, not supported here */
3270 #define PRECACHE_PIC_NOTPERSISTENT 2
3271 //#define PRECACHE_PIC_NOCLAMP 4
3272 #define PRECACHE_PIC_MIPMAP 8
3273 void VM_precache_pic(prvm_prog_t *prog)
3274 {
3275         const char      *s;
3276         int flags = 0;
3277
3278         VM_SAFEPARMCOUNTRANGE(1, 2, VM_precache_pic);
3279
3280         s = PRVM_G_STRING(OFS_PARM0);
3281         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
3282         VM_CheckEmptyString(prog, s);
3283
3284         if(prog->argc >= 2)
3285         {
3286                 int f = PRVM_G_FLOAT(OFS_PARM1);
3287                 if(f & PRECACHE_PIC_NOTPERSISTENT)
3288                         flags |= CACHEPICFLAG_NOTPERSISTENT;
3289                 //if(f & PRECACHE_PIC_NOCLAMP)
3290                 //      flags |= CACHEPICFLAG_NOCLAMP;
3291                 if(f & PRECACHE_PIC_MIPMAP)
3292                         flags |= CACHEPICFLAG_MIPMAP;
3293         }
3294
3295         if( !Draw_IsPicLoaded(Draw_CachePic_Flags(s, flags)) )
3296                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
3297 }
3298
3299 /*
3300 =========
3301 VM_freepic
3302
3303 freepic(string s)
3304 =========
3305 */
3306 void VM_freepic(prvm_prog_t *prog)
3307 {
3308         const char *s;
3309
3310         VM_SAFEPARMCOUNT(1,VM_freepic);
3311
3312         s = PRVM_G_STRING(OFS_PARM0);
3313         VM_CheckEmptyString(prog, s);
3314
3315         Draw_FreePic(s);
3316 }
3317
3318 static void getdrawfontscale(prvm_prog_t *prog, float *sx, float *sy)
3319 {
3320         vec3_t v;
3321         *sx = *sy = 1;
3322         VectorCopy(PRVM_drawglobalvector(drawfontscale), v);
3323         if(VectorLength2(v) > 0)
3324         {
3325                 *sx = v[0];
3326                 *sy = v[1];
3327         }
3328 }
3329
3330 static dp_font_t *getdrawfont(prvm_prog_t *prog)
3331 {
3332         int f = (int) PRVM_drawglobalfloat(drawfont);
3333         if(f < 0 || f >= dp_fonts.maxsize)
3334                 return FONT_DEFAULT;
3335         return &dp_fonts.f[f];
3336 }
3337
3338 /*
3339 =========
3340 VM_drawcharacter
3341
3342 float   drawcharacter(vector position, float character, vector scale, vector rgb, float alpha, float flag)
3343 =========
3344 */
3345 void VM_drawcharacter(prvm_prog_t *prog)
3346 {
3347         prvm_vec_t *pos,*scale,*rgb;
3348         char   character;
3349         int flag;
3350         float sx, sy;
3351         VM_SAFEPARMCOUNT(6,VM_drawcharacter);
3352
3353         character = (char) PRVM_G_FLOAT(OFS_PARM1);
3354         if(character == 0)
3355         {
3356                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3357                 VM_Warning(prog, "VM_drawcharacter: %s passed null character !\n",prog->name);
3358                 return;
3359         }
3360
3361         pos = PRVM_G_VECTOR(OFS_PARM0);
3362         scale = PRVM_G_VECTOR(OFS_PARM2);
3363         rgb = PRVM_G_VECTOR(OFS_PARM3);
3364         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3365
3366         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3367         {
3368                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3369                 VM_Warning(prog, "VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3370                 return;
3371         }
3372
3373         if(pos[2] || scale[2])
3374                 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")));
3375
3376         if(!scale[0] || !scale[1])
3377         {
3378                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3379                 VM_Warning(prog, "VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3380                 return;
3381         }
3382
3383         getdrawfontscale(prog, &sx, &sy);
3384         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));
3385         PRVM_G_FLOAT(OFS_RETURN) = 1;
3386 }
3387
3388 /*
3389 =========
3390 VM_drawstring
3391
3392 float   drawstring(vector position, string text, vector scale, vector rgb, float alpha[, float flag])
3393 =========
3394 */
3395 void VM_drawstring(prvm_prog_t *prog)
3396 {
3397         prvm_vec_t *pos,*scale,*rgb;
3398         const char  *string;
3399         int flag = 0;
3400         float sx, sy;
3401         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawstring);
3402
3403         string = PRVM_G_STRING(OFS_PARM1);
3404         pos = PRVM_G_VECTOR(OFS_PARM0);
3405         scale = PRVM_G_VECTOR(OFS_PARM2);
3406         rgb = PRVM_G_VECTOR(OFS_PARM3);
3407         if (prog->argc >= 6)
3408                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3409
3410         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3411         {
3412                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3413                 VM_Warning(prog, "VM_drawstring: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3414                 return;
3415         }
3416
3417         if(!scale[0] || !scale[1])
3418         {
3419                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3420                 VM_Warning(prog, "VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3421                 return;
3422         }
3423
3424         if(pos[2] || scale[2])
3425                 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")));
3426
3427         getdrawfontscale(prog, &sx, &sy);
3428         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));
3429         //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);
3430         PRVM_G_FLOAT(OFS_RETURN) = 1;
3431 }
3432
3433 /*
3434 =========
3435 VM_drawcolorcodedstring
3436
3437 float   drawcolorcodedstring(vector position, string text, vector scale, float alpha, float flag)
3438 /
3439 float   drawcolorcodedstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3440 =========
3441 */
3442 void VM_drawcolorcodedstring(prvm_prog_t *prog)
3443 {
3444         prvm_vec_t *pos, *scale;
3445         const char  *string;
3446         int flag;
3447         vec3_t rgb;
3448         float sx, sy, alpha;
3449
3450         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawcolorcodedstring);
3451
3452         if (prog->argc == 6) // full 6 parms, like normal drawstring
3453         {
3454                 pos = PRVM_G_VECTOR(OFS_PARM0);
3455                 string = PRVM_G_STRING(OFS_PARM1);
3456                 scale = PRVM_G_VECTOR(OFS_PARM2);
3457                 VectorCopy(PRVM_G_VECTOR(OFS_PARM3), rgb);
3458                 alpha = PRVM_G_FLOAT(OFS_PARM4);
3459                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3460         }
3461         else
3462         {
3463                 pos = PRVM_G_VECTOR(OFS_PARM0);
3464                 string = PRVM_G_STRING(OFS_PARM1);
3465                 scale = PRVM_G_VECTOR(OFS_PARM2);
3466                 rgb[0] = 1.0;
3467                 rgb[1] = 1.0;
3468                 rgb[2] = 1.0;
3469                 alpha = PRVM_G_FLOAT(OFS_PARM3);
3470                 flag = (int)PRVM_G_FLOAT(OFS_PARM4);
3471         }
3472
3473         if(flag < DRAWFLAG_NORMAL || flag >= DRAWFLAG_NUMFLAGS)
3474         {
3475                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3476                 VM_Warning(prog, "VM_drawcolorcodedstring: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3477                 return;
3478         }
3479
3480         if(!scale[0] || !scale[1])
3481         {
3482                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3483                 VM_Warning(prog, "VM_drawcolorcodedstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3484                 return;
3485         }
3486
3487         if(pos[2] || scale[2])
3488                 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")));
3489
3490         getdrawfontscale(prog, &sx, &sy);
3491         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));
3492         if (prog->argc == 6) // also return vector of last color
3493                 VectorCopy(DrawQ_Color, PRVM_G_VECTOR(OFS_RETURN));
3494         else
3495                 PRVM_G_FLOAT(OFS_RETURN) = 1;
3496 }
3497 /*
3498 =========
3499 VM_stringwidth
3500
3501 float   stringwidth(string text, float allowColorCodes, float size)
3502 =========
3503 */
3504 void VM_stringwidth(prvm_prog_t *prog)
3505 {
3506         const char  *string;
3507         vec2_t szv;
3508         float mult; // sz is intended font size so we can later add freetype support, mult is font size multiplier in pixels per character cell
3509         int colors;
3510         float sx, sy;
3511         size_t maxlen = 0;
3512         VM_SAFEPARMCOUNTRANGE(2,3,VM_drawstring);
3513
3514         getdrawfontscale(prog, &sx, &sy);
3515         if(prog->argc == 3)
3516         {
3517                 Vector2Copy(PRVM_G_VECTOR(OFS_PARM2), szv);
3518                 mult = 1;
3519         }
3520         else
3521         {
3522                 // we want the width for 8x8 font size, divided by 8
3523                 Vector2Set(szv, 8, 8);
3524                 mult = 0.125;
3525                 // to make sure snapping is turned off, ALWAYS use a nontrivial scale in this case
3526                 if(sx >= 0.9 && sx <= 1.1)
3527                 {
3528                         mult *= 2;
3529                         sx /= 2;
3530                         sy /= 2;
3531                 }
3532         }
3533
3534         string = PRVM_G_STRING(OFS_PARM0);
3535         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3536
3537         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_UntilWidth_TrackColors_Scale(string, &maxlen, szv[0], szv[1], sx, sy, NULL, !colors, getdrawfont(prog), 1000000000) * mult;
3538 /*
3539         if(prog->argc == 3)
3540         {
3541                 mult = sz = PRVM_G_FLOAT(OFS_PARM2);
3542         }
3543         else
3544         {
3545                 sz = 8;
3546                 mult = 1;
3547         }
3548
3549         string = PRVM_G_STRING(OFS_PARM0);
3550         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3551
3552         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth(string, 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
3553 */
3554 }
3555
3556 /*
3557 =========
3558 VM_findfont
3559
3560 float findfont(string s)
3561 =========
3562 */
3563
3564 static float getdrawfontnum(const char *fontname)
3565 {
3566         int i;
3567
3568         for(i = 0; i < dp_fonts.maxsize; ++i)
3569                 if(!strcmp(dp_fonts.f[i].title, fontname))
3570                         return i;
3571         return -1;
3572 }
3573
3574 void VM_findfont(prvm_prog_t *prog)
3575 {
3576         VM_SAFEPARMCOUNT(1,VM_findfont);
3577         PRVM_G_FLOAT(OFS_RETURN) = getdrawfontnum(PRVM_G_STRING(OFS_PARM0));
3578 }
3579
3580 /*
3581 =========
3582 VM_loadfont
3583
3584 float loadfont(string fontname, string fontmaps, string sizes, float slot)
3585 =========
3586 */
3587
3588 void VM_loadfont(prvm_prog_t *prog)
3589 {
3590         const char *fontname, *filelist, *sizes, *c, *cm;
3591         char mainfont[MAX_QPATH];
3592         int i, numsizes;
3593         float sz, scale, voffset;
3594         dp_font_t *f;
3595
3596         VM_SAFEPARMCOUNTRANGE(3,6,VM_loadfont);
3597
3598         fontname = PRVM_G_STRING(OFS_PARM0);
3599         if (!fontname[0])
3600                 fontname = "default";
3601
3602         filelist = PRVM_G_STRING(OFS_PARM1);
3603         if (!filelist[0])
3604                 filelist = "gfx/conchars";
3605
3606         sizes = PRVM_G_STRING(OFS_PARM2);
3607         if (!sizes[0])
3608                 sizes = "10";
3609
3610         // find a font
3611         f = NULL;
3612         if (prog->argc >= 4)
3613         {
3614                 i = PRVM_G_FLOAT(OFS_PARM3);
3615                 if (i >= 0 && i < dp_fonts.maxsize)
3616                 {
3617                         f = &dp_fonts.f[i];
3618                         strlcpy(f->title, fontname, sizeof(f->title)); // replace name
3619                 }
3620         }
3621         if (!f)
3622                 f = FindFont(fontname, true);
3623         if (!f)
3624         {
3625                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3626                 return; // something go wrong
3627         }
3628
3629         memset(f->fallbacks, 0, sizeof(f->fallbacks));
3630         memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
3631
3632         // first font is handled "normally"
3633         c = strchr(filelist, ':');
3634         cm = strchr(filelist, ',');
3635         if(c && (!cm || c < cm))
3636                 f->req_face = atoi(c+1);
3637         else
3638         {
3639                 f->req_face = 0;
3640                 c = cm;
3641         }
3642         if(!c || (c - filelist) > MAX_QPATH)
3643                 strlcpy(mainfont, filelist, sizeof(mainfont));
3644         else
3645         {
3646                 memcpy(mainfont, filelist, c - filelist);
3647                 mainfont[c - filelist] = 0;
3648         }
3649
3650         // handle fallbacks
3651         for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
3652         {
3653                 c = strchr(filelist, ',');
3654                 if(!c)
3655                         break;
3656                 filelist = c + 1;
3657                 if(!*filelist)
3658                         break;
3659                 c = strchr(filelist, ':');
3660                 cm = strchr(filelist, ',');
3661                 if(c && (!cm || c < cm))
3662                         f->fallback_faces[i] = atoi(c+1);
3663                 else
3664                 {
3665                         f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
3666                         c = cm;
3667                 }
3668                 if(!c || (c-filelist) > MAX_QPATH)
3669                 {
3670                         strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
3671                 }
3672                 else
3673                 {
3674                         memcpy(f->fallbacks[i], filelist, c - filelist);
3675                         f->fallbacks[i][c - filelist] = 0;
3676                 }
3677         }
3678
3679         // handle sizes
3680         for(i = 0; i < MAX_FONT_SIZES; ++i)
3681                 f->req_sizes[i] = -1;
3682         for (numsizes = 0,c = sizes;;)
3683         {
3684                 if (!COM_ParseToken_VM_Tokenize(&c, 0))
3685                         break;
3686                 sz = atof(com_token);
3687                 // detect crap size
3688                 if (sz < 0.001f || sz > 1000.0f)
3689                 {
3690                         VM_Warning(prog, "VM_loadfont: crap size %s", com_token);
3691                         continue;
3692                 }
3693                 // check overflow
3694                 if (numsizes == MAX_FONT_SIZES)
3695                 {
3696                         VM_Warning(prog, "VM_loadfont: MAX_FONT_SIZES = %i exceeded", MAX_FONT_SIZES);
3697                         break;
3698                 }
3699                 f->req_sizes[numsizes] = sz;
3700                 numsizes++;
3701         }
3702
3703         // additional scale/hoffset parms
3704         scale = 1;
3705         voffset = 0;
3706         if (prog->argc >= 5)
3707         {
3708                 scale = PRVM_G_FLOAT(OFS_PARM4);
3709                 if (scale <= 0)
3710                         scale = 1;
3711         }
3712         if (prog->argc >= 6)
3713                 voffset = PRVM_G_FLOAT(OFS_PARM5);
3714
3715         // load
3716         LoadFont(true, mainfont, f, scale, voffset);
3717
3718         // return index of loaded font
3719         PRVM_G_FLOAT(OFS_RETURN) = (f - dp_fonts.f);
3720 }
3721
3722 /*
3723 =========
3724 VM_drawpic
3725
3726 float   drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
3727 =========
3728 */
3729 void VM_drawpic(prvm_prog_t *prog)
3730 {
3731         const char *picname;
3732         prvm_vec_t *size, *pos, *rgb;
3733         int flag = 0;
3734
3735         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawpic);
3736
3737         picname = PRVM_G_STRING(OFS_PARM1);
3738         VM_CheckEmptyString(prog, picname);
3739
3740         // is pic cached ? no function yet for that
3741         if(!1)
3742         {
3743                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3744                 VM_Warning(prog, "VM_drawpic: %s: %s not cached !\n", prog->name, picname);
3745                 return;
3746         }
3747
3748         pos = PRVM_G_VECTOR(OFS_PARM0);
3749         size = PRVM_G_VECTOR(OFS_PARM2);
3750         rgb = PRVM_G_VECTOR(OFS_PARM3);
3751         if (prog->argc >= 6)
3752                 flag = (int) PRVM_G_FLOAT(OFS_PARM5);
3753
3754         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3755         {
3756                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3757                 VM_Warning(prog, "VM_drawpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3758                 return;
3759         }
3760
3761         if(pos[2] || size[2])
3762                 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")));
3763
3764         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);
3765         PRVM_G_FLOAT(OFS_RETURN) = 1;
3766 }
3767 /*
3768 =========
3769 VM_drawrotpic
3770
3771 float   drawrotpic(vector position, string pic, vector size, vector org, float angle, vector rgb, float alpha, float flag)
3772 =========
3773 */
3774 void VM_drawrotpic(prvm_prog_t *prog)
3775 {
3776         const char *picname;
3777         prvm_vec_t *size, *pos, *org, *rgb;
3778         int flag;
3779
3780         VM_SAFEPARMCOUNT(8,VM_drawrotpic);
3781
3782         picname = PRVM_G_STRING(OFS_PARM1);
3783         VM_CheckEmptyString(prog, picname);
3784
3785         // is pic cached ? no function yet for that
3786         if(!1)
3787         {
3788                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3789                 VM_Warning(prog, "VM_drawrotpic: %s: %s not cached !\n", prog->name, picname);
3790                 return;
3791         }
3792
3793         pos = PRVM_G_VECTOR(OFS_PARM0);
3794         size = PRVM_G_VECTOR(OFS_PARM2);
3795         org = PRVM_G_VECTOR(OFS_PARM3);
3796         rgb = PRVM_G_VECTOR(OFS_PARM5);
3797         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3798
3799         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3800         {
3801                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3802                 VM_Warning(prog, "VM_drawrotpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3803                 return;
3804         }
3805
3806         if(pos[2] || size[2] || org[2])
3807                 VM_Warning(prog, "VM_drawrotpic: z value from pos/size/org discarded\n");
3808
3809         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);
3810         PRVM_G_FLOAT(OFS_RETURN) = 1;
3811 }
3812 /*
3813 =========
3814 VM_drawsubpic
3815
3816 float   drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
3817
3818 =========
3819 */
3820 void VM_drawsubpic(prvm_prog_t *prog)
3821 {
3822         const char *picname;
3823         prvm_vec_t *size, *pos, *rgb, *srcPos, *srcSize, alpha;
3824         int flag;
3825
3826         VM_SAFEPARMCOUNT(8,VM_drawsubpic);
3827
3828         picname = PRVM_G_STRING(OFS_PARM2);
3829         VM_CheckEmptyString(prog, picname);
3830
3831         // is pic cached ? no function yet for that
3832         if(!1)
3833         {
3834                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3835                 VM_Warning(prog, "VM_drawsubpic: %s: %s not cached !\n", prog->name, picname);
3836                 return;
3837         }
3838
3839         pos = PRVM_G_VECTOR(OFS_PARM0);
3840         size = PRVM_G_VECTOR(OFS_PARM1);
3841         srcPos = PRVM_G_VECTOR(OFS_PARM3);
3842         srcSize = PRVM_G_VECTOR(OFS_PARM4);
3843         rgb = PRVM_G_VECTOR(OFS_PARM5);
3844         alpha = PRVM_G_FLOAT(OFS_PARM6);
3845         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3846
3847         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3848         {
3849                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3850                 VM_Warning(prog, "VM_drawsubpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3851                 return;
3852         }
3853
3854         if(pos[2] || size[2])
3855                 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")));
3856
3857         DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT),
3858                 size[0], size[1],
3859                 srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3860                 srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3861                 srcPos[0],              srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3862                 srcPos[0] + srcSize[0], srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3863                 flag);
3864         PRVM_G_FLOAT(OFS_RETURN) = 1;
3865 }
3866
3867 /*
3868 =========
3869 VM_drawfill
3870
3871 float drawfill(vector position, vector size, vector rgb, float alpha, float flag)
3872 =========
3873 */
3874 void VM_drawfill(prvm_prog_t *prog)
3875 {
3876         prvm_vec_t *size, *pos, *rgb;
3877         int flag;
3878
3879         VM_SAFEPARMCOUNT(5,VM_drawfill);
3880
3881
3882         pos = PRVM_G_VECTOR(OFS_PARM0);
3883         size = PRVM_G_VECTOR(OFS_PARM1);
3884         rgb = PRVM_G_VECTOR(OFS_PARM2);
3885         flag = (int) PRVM_G_FLOAT(OFS_PARM4);
3886
3887         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3888         {
3889                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3890                 VM_Warning(prog, "VM_drawfill: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3891                 return;
3892         }
3893
3894         if(pos[2] || size[2])
3895                 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")));
3896
3897         DrawQ_Fill(pos[0], pos[1], size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
3898         PRVM_G_FLOAT(OFS_RETURN) = 1;
3899 }
3900
3901 /*
3902 =========
3903 VM_drawsetcliparea
3904
3905 drawsetcliparea(float x, float y, float width, float height)
3906 =========
3907 */
3908 void VM_drawsetcliparea(prvm_prog_t *prog)
3909 {
3910         float x,y,w,h;
3911         VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
3912
3913         x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
3914         y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
3915         w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
3916         h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
3917
3918         DrawQ_SetClipArea(x, y, w, h);
3919 }
3920
3921 /*
3922 =========
3923 VM_drawresetcliparea
3924
3925 drawresetcliparea()
3926 =========
3927 */
3928 void VM_drawresetcliparea(prvm_prog_t *prog)
3929 {
3930         VM_SAFEPARMCOUNT(0,VM_drawresetcliparea);
3931
3932         DrawQ_ResetClipArea();
3933 }
3934
3935 /*
3936 =========
3937 VM_getimagesize
3938
3939 vector  getimagesize(string pic)
3940 =========
3941 */
3942 void VM_getimagesize(prvm_prog_t *prog)
3943 {
3944         const char *p;
3945         cachepic_t *pic;
3946
3947         VM_SAFEPARMCOUNT(1,VM_getimagesize);
3948
3949         p = PRVM_G_STRING(OFS_PARM0);
3950         VM_CheckEmptyString(prog, p);
3951
3952         pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
3953         if (!Draw_IsPicLoaded(pic))
3954         {
3955                 PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
3956                 PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
3957         }
3958         else
3959         {
3960                 PRVM_G_VECTOR(OFS_RETURN)[0] = Draw_GetPicWidth(pic);
3961                 PRVM_G_VECTOR(OFS_RETURN)[1] = Draw_GetPicHeight(pic);
3962         }
3963         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
3964 }
3965
3966 /*
3967 =========
3968 VM_keynumtostring
3969
3970 string keynumtostring(float keynum)
3971 =========
3972 */
3973 void VM_keynumtostring (prvm_prog_t *prog)
3974 {
3975         char tinystr[2];
3976         VM_SAFEPARMCOUNT(1, VM_keynumtostring);
3977
3978         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0), tinystr, sizeof(tinystr)));
3979 }
3980
3981 /*
3982 =========
3983 VM_findkeysforcommand
3984
3985 string  findkeysforcommand(string command, float bindmap)
3986
3987 the returned string is an altstring
3988 =========
3989 */
3990 #define FKFC_NUMKEYS 5
3991 void M_FindKeysForCommand(const char *command, int *keys);
3992 void VM_findkeysforcommand(prvm_prog_t *prog)
3993 {
3994         const char *cmd;
3995         char ret[VM_STRINGTEMP_LENGTH];
3996         int keys[FKFC_NUMKEYS];
3997         int i;
3998         int bindmap;
3999         char vabuf[1024];
4000
4001         VM_SAFEPARMCOUNTRANGE(1, 2, VM_findkeysforcommand);
4002
4003         cmd = PRVM_G_STRING(OFS_PARM0);
4004         if(prog->argc == 2)
4005                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4006         else
4007                 bindmap = 0; // consistent to "bind"
4008
4009         VM_CheckEmptyString(prog, cmd);
4010
4011         Key_FindKeysForCommand(cmd, keys, FKFC_NUMKEYS, bindmap);
4012
4013         ret[0] = 0;
4014         for(i = 0; i < FKFC_NUMKEYS; i++)
4015                 strlcat(ret, va(vabuf, sizeof(vabuf), " \'%i\'", keys[i]), sizeof(ret));
4016
4017         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, ret);
4018 }
4019
4020 /*
4021 =========
4022 VM_stringtokeynum
4023
4024 float stringtokeynum(string key)
4025 =========
4026 */
4027 void VM_stringtokeynum (prvm_prog_t *prog)
4028 {
4029         VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
4030
4031         PRVM_G_FLOAT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
4032 }
4033
4034 /*
4035 =========
4036 VM_getkeybind
4037
4038 string getkeybind(float key, float bindmap)
4039 =========
4040 */
4041 void VM_getkeybind (prvm_prog_t *prog)
4042 {
4043         int bindmap;
4044         VM_SAFEPARMCOUNTRANGE(1, 2, VM_CL_getkeybind);
4045         if(prog->argc == 2)
4046                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4047         else
4048                 bindmap = 0; // consistent to "bind"
4049
4050         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0), bindmap));
4051 }
4052
4053 /*
4054 =========
4055 VM_setkeybind
4056
4057 float setkeybind(float key, string cmd, float bindmap)
4058 =========
4059 */
4060 void VM_setkeybind (prvm_prog_t *prog)
4061 {
4062         int bindmap;
4063         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_setkeybind);
4064         if(prog->argc == 3)
4065                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM2), MAX_BINDMAPS-1);
4066         else
4067                 bindmap = 0; // consistent to "bind"
4068
4069         PRVM_G_FLOAT(OFS_RETURN) = 0;
4070         if(Key_SetBinding((int)PRVM_G_FLOAT(OFS_PARM0), bindmap, PRVM_G_STRING(OFS_PARM1)))
4071                 PRVM_G_FLOAT(OFS_RETURN) = 1;
4072 }
4073
4074 /*
4075 =========
4076 VM_getbindmap
4077
4078 vector getbindmaps()
4079 =========
4080 */
4081 void VM_getbindmaps (prvm_prog_t *prog)
4082 {
4083         int fg, bg;
4084         VM_SAFEPARMCOUNT(0, VM_CL_getbindmap);
4085         Key_GetBindMap(&fg, &bg);
4086         PRVM_G_VECTOR(OFS_RETURN)[0] = fg;
4087         PRVM_G_VECTOR(OFS_RETURN)[1] = bg;
4088         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4089 }
4090
4091 /*
4092 =========
4093 VM_setbindmap
4094
4095 float setbindmaps(vector bindmap)
4096 =========
4097 */
4098 void VM_setbindmaps (prvm_prog_t *prog)
4099 {
4100         VM_SAFEPARMCOUNT(1, VM_CL_setbindmap);
4101         PRVM_G_FLOAT(OFS_RETURN) = 0;
4102         if(PRVM_G_VECTOR(OFS_PARM0)[2] == 0)
4103                 if(Key_SetBindMap((int)PRVM_G_VECTOR(OFS_PARM0)[0], (int)PRVM_G_VECTOR(OFS_PARM0)[1]))
4104                         PRVM_G_FLOAT(OFS_RETURN) = 1;
4105 }
4106
4107 // CL_Video interface functions
4108
4109 /*
4110 ========================
4111 VM_cin_open
4112
4113 float cin_open(string file, string name)
4114 ========================
4115 */
4116 void VM_cin_open(prvm_prog_t *prog)
4117 {
4118         const char *file;
4119         const char *name;
4120
4121         VM_SAFEPARMCOUNT( 2, VM_cin_open );
4122
4123         file = PRVM_G_STRING( OFS_PARM0 );
4124         name = PRVM_G_STRING( OFS_PARM1 );
4125
4126         VM_CheckEmptyString(prog,  file );
4127     VM_CheckEmptyString(prog,  name );
4128
4129         if( CL_OpenVideo( file, name, MENUOWNER, "" ) )
4130                 PRVM_G_FLOAT( OFS_RETURN ) = 1;
4131         else
4132                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4133 }
4134
4135 /*
4136 ========================
4137 VM_cin_close
4138
4139 void cin_close(string name)
4140 ========================
4141 */
4142 void VM_cin_close(prvm_prog_t *prog)
4143 {
4144         const char *name;
4145
4146         VM_SAFEPARMCOUNT( 1, VM_cin_close );
4147
4148         name = PRVM_G_STRING( OFS_PARM0 );
4149         VM_CheckEmptyString(prog,  name );
4150
4151         CL_CloseVideo( CL_GetVideoByName( name ) );
4152 }
4153
4154 /*
4155 ========================
4156 VM_cin_setstate
4157 void cin_setstate(string name, float type)
4158 ========================
4159 */
4160 void VM_cin_setstate(prvm_prog_t *prog)
4161 {
4162         const char *name;
4163         clvideostate_t  state;
4164         clvideo_t               *video;
4165
4166         VM_SAFEPARMCOUNT( 2, VM_cin_netstate );
4167
4168         name = PRVM_G_STRING( OFS_PARM0 );
4169         VM_CheckEmptyString(prog,  name );
4170
4171         state = (clvideostate_t)((int)PRVM_G_FLOAT( OFS_PARM1 ));
4172
4173         video = CL_GetVideoByName( name );
4174         if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
4175                 CL_SetVideoState( video, state );
4176 }
4177
4178 /*
4179 ========================
4180 VM_cin_getstate
4181
4182 float cin_getstate(string name)
4183 ========================
4184 */
4185 void VM_cin_getstate(prvm_prog_t *prog)
4186 {
4187         const char *name;
4188         clvideo_t               *video;
4189
4190         VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
4191
4192         name = PRVM_G_STRING( OFS_PARM0 );
4193         VM_CheckEmptyString(prog,  name );
4194
4195         video = CL_GetVideoByName( name );
4196         if( video )
4197                 PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
4198         else
4199                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4200 }
4201
4202 /*
4203 ========================
4204 VM_cin_restart
4205
4206 void cin_restart(string name)
4207 ========================
4208 */
4209 void VM_cin_restart(prvm_prog_t *prog)
4210 {
4211         const char *name;
4212         clvideo_t               *video;
4213
4214         VM_SAFEPARMCOUNT( 1, VM_cin_restart );
4215
4216         name = PRVM_G_STRING( OFS_PARM0 );
4217         VM_CheckEmptyString(prog,  name );
4218
4219         video = CL_GetVideoByName( name );
4220         if( video )
4221                 CL_RestartVideo( video );
4222 }
4223
4224 /*
4225 ========================
4226 VM_gecko_create
4227
4228 float[bool] gecko_create( string name )
4229 ========================
4230 */
4231 void VM_gecko_create(prvm_prog_t *prog) {
4232         // REMOVED
4233         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4234 }
4235
4236 /*
4237 ========================
4238 VM_gecko_destroy
4239
4240 void gecko_destroy( string name )
4241 ========================
4242 */
4243 void VM_gecko_destroy(prvm_prog_t *prog) {
4244         // REMOVED
4245 }
4246
4247 /*
4248 ========================
4249 VM_gecko_navigate
4250
4251 void gecko_navigate( string name, string URI )
4252 ========================
4253 */
4254 void VM_gecko_navigate(prvm_prog_t *prog) {
4255         // REMOVED
4256 }
4257
4258 /*
4259 ========================
4260 VM_gecko_keyevent
4261
4262 float[bool] gecko_keyevent( string name, float key, float eventtype )
4263 ========================
4264 */
4265 void VM_gecko_keyevent(prvm_prog_t *prog) {
4266         // REMOVED
4267         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4268 }
4269
4270 /*
4271 ========================
4272 VM_gecko_movemouse
4273
4274 void gecko_mousemove( string name, float x, float y )
4275 ========================
4276 */
4277 void VM_gecko_movemouse(prvm_prog_t *prog) {
4278         // REMOVED
4279 }
4280
4281
4282 /*
4283 ========================
4284 VM_gecko_resize
4285
4286 void gecko_resize( string name, float w, float h )
4287 ========================
4288 */
4289 void VM_gecko_resize(prvm_prog_t *prog) {
4290         // REMOVED
4291 }
4292
4293
4294 /*
4295 ========================
4296 VM_gecko_get_texture_extent
4297
4298 vector gecko_get_texture_extent( string name )
4299 ========================
4300 */
4301 void VM_gecko_get_texture_extent(prvm_prog_t *prog) {
4302         // REMOVED
4303         PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
4304         PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
4305 }
4306
4307
4308
4309 /*
4310 ==============
4311 VM_makevectors
4312
4313 Writes new values for v_forward, v_up, and v_right based on angles
4314 void makevectors(vector angle)
4315 ==============
4316 */
4317 void VM_makevectors (prvm_prog_t *prog)
4318 {
4319         vec3_t angles, forward, right, up;
4320         VM_SAFEPARMCOUNT(1, VM_makevectors);
4321         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), angles);
4322         AngleVectors(angles, forward, right, up);
4323         VectorCopy(forward, PRVM_gameglobalvector(v_forward));
4324         VectorCopy(right, PRVM_gameglobalvector(v_right));
4325         VectorCopy(up, PRVM_gameglobalvector(v_up));
4326 }
4327
4328 /*
4329 ==============
4330 VM_vectorvectors
4331
4332 Writes new values for v_forward, v_up, and v_right based on the given forward vector
4333 vectorvectors(vector)
4334 ==============
4335 */
4336 void VM_vectorvectors (prvm_prog_t *prog)
4337 {
4338         vec3_t forward, right, up;
4339         VM_SAFEPARMCOUNT(1, VM_vectorvectors);
4340         VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), forward);
4341         VectorVectors(forward, right, up);
4342         VectorCopy(forward, PRVM_gameglobalvector(v_forward));
4343         VectorCopy(right, PRVM_gameglobalvector(v_right));
4344         VectorCopy(up, PRVM_gameglobalvector(v_up));
4345 }
4346
4347 /*
4348 ========================
4349 VM_drawline
4350
4351 void drawline(float width, vector pos1, vector pos2, vector rgb, float alpha, float flags)
4352 ========================
4353 */
4354 void VM_drawline (prvm_prog_t *prog)
4355 {
4356         prvm_vec_t      *c1, *c2, *rgb;
4357         float   alpha, width;
4358         unsigned char   flags;
4359
4360         VM_SAFEPARMCOUNT(6, VM_drawline);
4361         width   = PRVM_G_FLOAT(OFS_PARM0);
4362         c1              = PRVM_G_VECTOR(OFS_PARM1);
4363         c2              = PRVM_G_VECTOR(OFS_PARM2);
4364         rgb             = PRVM_G_VECTOR(OFS_PARM3);
4365         alpha   = PRVM_G_FLOAT(OFS_PARM4);
4366         flags   = (int)PRVM_G_FLOAT(OFS_PARM5);
4367         DrawQ_Line(width, c1[0], c1[1], c2[0], c2[1], rgb[0], rgb[1], rgb[2], alpha, flags);
4368 }
4369
4370 // float(float number, float quantity) bitshift (EXT_BITSHIFT)
4371 void VM_bitshift (prvm_prog_t *prog)
4372 {
4373         prvm_int_t n1, n2;
4374         VM_SAFEPARMCOUNT(2, VM_bitshift);
4375
4376         n1 = (prvm_int_t)fabs((prvm_vec_t)((prvm_int_t)PRVM_G_FLOAT(OFS_PARM0)));
4377         n2 = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM1);
4378         if(!n1)
4379                 PRVM_G_FLOAT(OFS_RETURN) = n1;
4380         else
4381         if(n2 < 0)
4382                 PRVM_G_FLOAT(OFS_RETURN) = (n1 >> -n2);
4383         else
4384                 PRVM_G_FLOAT(OFS_RETURN) = (n1 << n2);
4385 }
4386
4387 ////////////////////////////////////////
4388 // AltString functions
4389 ////////////////////////////////////////
4390
4391 /*
4392 ========================
4393 VM_altstr_count
4394
4395 float altstr_count(string)
4396 ========================
4397 */
4398 void VM_altstr_count(prvm_prog_t *prog)
4399 {
4400         const char *altstr, *pos;
4401         int     count;
4402
4403         VM_SAFEPARMCOUNT( 1, VM_altstr_count );
4404
4405         altstr = PRVM_G_STRING( OFS_PARM0 );
4406         //VM_CheckEmptyString(prog,  altstr );
4407
4408         for( count = 0, pos = altstr ; *pos ; pos++ ) {
4409                 if( *pos == '\\' ) {
4410                         if( !*++pos ) {
4411                                 break;
4412                         }
4413                 } else if( *pos == '\'' ) {
4414                         count++;
4415                 }
4416         }
4417
4418         PRVM_G_FLOAT( OFS_RETURN ) = (prvm_vec_t) (count / 2);
4419 }
4420
4421 /*
4422 ========================
4423 VM_altstr_prepare
4424
4425 string altstr_prepare(string)
4426 ========================
4427 */
4428 void VM_altstr_prepare(prvm_prog_t *prog)
4429 {
4430         const char *instr, *in;
4431         char outstr[VM_STRINGTEMP_LENGTH];
4432         size_t outpos;
4433
4434         VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
4435
4436         instr = PRVM_G_STRING( OFS_PARM0 );
4437
4438         for (in = instr, outpos = 0; *in && outpos < sizeof(outstr) - 1; ++in)
4439         {
4440                 if (*in == '\'' && outpos < sizeof(outstr) - 2)
4441                 {
4442                         outstr[outpos++] = '\\';
4443                         outstr[outpos++] = '\'';
4444                 }
4445                 else
4446                         outstr[outpos++] = *in;
4447         }
4448         outstr[outpos] = 0;
4449
4450         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4451 }
4452
4453 /*
4454 ========================
4455 VM_altstr_get
4456
4457 string altstr_get(string, float)
4458 ========================
4459 */
4460 void VM_altstr_get(prvm_prog_t *prog)
4461 {
4462         const char *altstr, *pos;
4463         char *out;
4464         int count, size;
4465         char outstr[VM_STRINGTEMP_LENGTH];
4466
4467         VM_SAFEPARMCOUNT( 2, VM_altstr_get );
4468
4469         altstr = PRVM_G_STRING( OFS_PARM0 );
4470
4471         count = (int)PRVM_G_FLOAT( OFS_PARM1 );
4472         count = count * 2 + 1;
4473
4474         for( pos = altstr ; *pos && count ; pos++ )
4475                 if( *pos == '\\' ) {
4476                         if( !*++pos )
4477                                 break;
4478                 } else if( *pos == '\'' )
4479                         count--;
4480
4481         if( !*pos ) {
4482                 PRVM_G_INT( OFS_RETURN ) = 0;
4483                 return;
4484         }
4485
4486         for( out = outstr, size = sizeof(outstr) - 1 ; size && *pos ; size--, pos++, out++ )
4487                 if( *pos == '\\' ) {
4488                         if( !*++pos )
4489                                 break;
4490                         *out = *pos;
4491                         size--;
4492                 } else if( *pos == '\'' )
4493                         break;
4494                 else
4495                         *out = *pos;
4496
4497         *out = 0;
4498         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4499 }
4500
4501 /*
4502 ========================
4503 VM_altstr_set
4504
4505 string altstr_set(string altstr, float num, string set)
4506 ========================
4507 */
4508 void VM_altstr_set(prvm_prog_t *prog)
4509 {
4510     int num;
4511         const char *altstr, *str;
4512         const char *in;
4513         char *out;
4514         char outstr[VM_STRINGTEMP_LENGTH];
4515
4516         VM_SAFEPARMCOUNT( 3, VM_altstr_set );
4517
4518         altstr = PRVM_G_STRING( OFS_PARM0 );
4519
4520         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4521
4522         str = PRVM_G_STRING( OFS_PARM2 );
4523
4524         out = outstr;
4525         for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
4526                 if( *in == '\\' ) {
4527                         if( !*++in ) {
4528                                 break;
4529                         }
4530                 } else if( *in == '\'' ) {
4531                         num--;
4532                 }
4533
4534         // copy set in
4535         for( ; *str; *out++ = *str++ );
4536         // now jump over the old content
4537         for( ; *in ; in++ )
4538                 if( *in == '\'' || (*in == '\\' && !*++in) )
4539                         break;
4540
4541         strlcpy(out, in, outstr + sizeof(outstr) - out);
4542         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4543 }
4544
4545 /*
4546 ========================
4547 VM_altstr_ins
4548 insert after num
4549 string  altstr_ins(string altstr, float num, string set)
4550 ========================
4551 */
4552 void VM_altstr_ins(prvm_prog_t *prog)
4553 {
4554         int num;
4555         const char *set;
4556         const char *in;
4557         char *out;
4558         char outstr[VM_STRINGTEMP_LENGTH];
4559
4560         VM_SAFEPARMCOUNT(3, VM_altstr_ins);
4561
4562         in = PRVM_G_STRING( OFS_PARM0 );
4563         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4564         set = PRVM_G_STRING( OFS_PARM2 );
4565
4566         out = outstr;
4567         for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
4568                 if( *in == '\\' ) {
4569                         if( !*++in ) {
4570                                 break;
4571                         }
4572                 } else if( *in == '\'' ) {
4573                         num--;
4574                 }
4575
4576         *out++ = '\'';
4577         for( ; *set ; *out++ = *set++ );
4578         *out++ = '\'';
4579
4580         strlcpy(out, in, outstr + sizeof(outstr) - out);
4581         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4582 }
4583
4584
4585 ////////////////////////////////////////
4586 // BufString functions
4587 ////////////////////////////////////////
4588 //[515]: string buffers support
4589
4590 static size_t stringbuffers_sortlength;
4591
4592 static void BufStr_Expand(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer, int strindex)
4593 {
4594         if (stringbuffer->max_strings <= strindex)
4595         {
4596                 char **oldstrings = stringbuffer->strings;
4597                 stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
4598                 while (stringbuffer->max_strings <= strindex)
4599                         stringbuffer->max_strings *= 2;
4600                 stringbuffer->strings = (char **) Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
4601                 if (stringbuffer->num_strings > 0)
4602                         memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
4603                 if (oldstrings)
4604                         Mem_Free(oldstrings);
4605         }
4606 }
4607
4608 static void BufStr_Shrink(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer)
4609 {
4610         // reduce num_strings if there are empty string slots at the end
4611         while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
4612                 stringbuffer->num_strings--;
4613
4614         // if empty, free the string pointer array
4615         if (stringbuffer->num_strings == 0)
4616         {
4617                 stringbuffer->max_strings = 0;
4618                 if (stringbuffer->strings)
4619                         Mem_Free(stringbuffer->strings);
4620                 stringbuffer->strings = NULL;
4621         }
4622 }
4623
4624 static int BufStr_SortStringsUP (const void *in1, const void *in2)
4625 {
4626         const char *a, *b;
4627         a = *((const char **) in1);
4628         b = *((const char **) in2);
4629         if(!a || !a[0]) return 1;
4630         if(!b || !b[0]) return -1;
4631         return strncmp(a, b, stringbuffers_sortlength);
4632 }
4633
4634 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
4635 {
4636         const char *a, *b;
4637         a = *((const char **) in1);
4638         b = *((const char **) in2);
4639         if(!a || !a[0]) return 1;
4640         if(!b || !b[0]) return -1;
4641         return strncmp(b, a, stringbuffers_sortlength);
4642 }
4643
4644 prvm_stringbuffer_t *BufStr_FindCreateReplace (prvm_prog_t *prog, int bufindex, int flags, const char *format)
4645 {
4646         prvm_stringbuffer_t *stringbuffer;
4647         int i;
4648
4649         if (bufindex < 0)
4650                 return NULL;
4651
4652         // find buffer with wanted index
4653         if (bufindex < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray))
4654         {
4655                 if ( (stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, bufindex)) )
4656                 {
4657                         if (stringbuffer->flags & STRINGBUFFER_TEMP)
4658                                 stringbuffer->flags = flags; // created but has not been used yet
4659                         return stringbuffer;
4660                 }
4661                 return NULL;
4662         }
4663
4664         // allocate new buffer with wanted index
4665         while(1)
4666         {
4667                 stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4668                 stringbuffer->flags = STRINGBUFFER_TEMP;
4669                 for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4670                 if (i == bufindex)
4671                 {
4672                         stringbuffer->flags = flags; // mark as used
4673                         break;
4674                 }
4675         }
4676         return stringbuffer;
4677 }
4678
4679 void BufStr_Set(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer, int strindex, const char *str)
4680 {
4681         size_t  alloclen;
4682
4683         if (!stringbuffer || strindex < 0)
4684                 return;
4685
4686         BufStr_Expand(prog, stringbuffer, strindex);
4687         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
4688         if (stringbuffer->strings[strindex])
4689                 Mem_Free(stringbuffer->strings[strindex]);
4690         stringbuffer->strings[strindex] = NULL;
4691
4692         if (str)
4693         {
4694                 // not the NULL string!
4695                 alloclen = strlen(str) + 1;
4696                 stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
4697                 memcpy(stringbuffer->strings[strindex], str, alloclen);
4698         }
4699
4700         BufStr_Shrink(prog, stringbuffer);
4701 }
4702
4703 void BufStr_Del(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer)
4704 {
4705         int i;
4706
4707         if (!stringbuffer)
4708                 return;
4709
4710         for (i = 0;i < stringbuffer->num_strings;i++)
4711                 if (stringbuffer->strings[i])
4712                         Mem_Free(stringbuffer->strings[i]);
4713         if (stringbuffer->strings)
4714                 Mem_Free(stringbuffer->strings);
4715         if(stringbuffer->origin)
4716                 PRVM_Free((char *)stringbuffer->origin);
4717         Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
4718 }
4719
4720 void BufStr_Flush(prvm_prog_t *prog)
4721 {
4722         prvm_stringbuffer_t *stringbuffer;
4723         int i, numbuffers;
4724
4725         numbuffers = (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray);
4726         for (i = 0; i < numbuffers; i++)
4727                 if ( (stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i)) )
4728                         BufStr_Del(prog, stringbuffer);
4729         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
4730 }
4731
4732 /*
4733 ========================
4734 VM_buf_create
4735 creates new buffer, and returns it's index, returns -1 if failed
4736 float buf_create(prvm_prog_t *prog) = #460;
4737 float newbuf(string format, float flags) = #460;
4738 ========================
4739 */
4740
4741 void VM_buf_create (prvm_prog_t *prog)
4742 {
4743         prvm_stringbuffer_t *stringbuffer;
4744         int i;
4745
4746         VM_SAFEPARMCOUNTRANGE(0, 2, VM_buf_create);
4747
4748         // VorteX: optional parm1 (buffer format) is unfinished, to keep intact with future databuffers extension must be set to "string"
4749         if(prog->argc >= 1 && strcmp(PRVM_G_STRING(OFS_PARM0), "string"))
4750         {
4751                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4752                 return;
4753         }
4754         stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4755         for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4756         stringbuffer->origin = PRVM_AllocationOrigin(prog);
4757         // optional flags parm
4758         if (prog->argc >= 2)
4759                 stringbuffer->flags = (int)PRVM_G_FLOAT(OFS_PARM1) & STRINGBUFFER_QCFLAGS;
4760         PRVM_G_FLOAT(OFS_RETURN) = i;
4761 }
4762
4763
4764
4765 /*
4766 ========================
4767 VM_buf_del
4768 deletes buffer and all strings in it
4769 void buf_del(float bufhandle) = #461;
4770 ========================
4771 */
4772 void VM_buf_del (prvm_prog_t *prog)
4773 {
4774         prvm_stringbuffer_t *stringbuffer;
4775         VM_SAFEPARMCOUNT(1, VM_buf_del);
4776         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4777         if (stringbuffer)
4778                 BufStr_Del(prog, stringbuffer);
4779         else
4780         {
4781                 VM_Warning(prog, "VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4782                 return;
4783         }
4784 }
4785
4786 /*
4787 ========================
4788 VM_buf_getsize
4789 how many strings are stored in buffer
4790 float buf_getsize(float bufhandle) = #462;
4791 ========================
4792 */
4793 void VM_buf_getsize (prvm_prog_t *prog)
4794 {
4795         prvm_stringbuffer_t *stringbuffer;
4796         VM_SAFEPARMCOUNT(1, VM_buf_getsize);
4797
4798         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4799         if(!stringbuffer)
4800         {
4801                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4802                 VM_Warning(prog, "VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4803                 return;
4804         }
4805         else
4806                 PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
4807 }
4808
4809 /*
4810 ========================
4811 VM_buf_copy
4812 copy all content from one buffer to another, make sure it exists
4813 void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
4814 ========================
4815 */
4816 void VM_buf_copy (prvm_prog_t *prog)
4817 {
4818         prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
4819         int i;
4820         VM_SAFEPARMCOUNT(2, VM_buf_copy);
4821
4822         srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4823         if(!srcstringbuffer)
4824         {
4825                 VM_Warning(prog, "VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4826                 return;
4827         }
4828         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4829         if(i == (int)PRVM_G_FLOAT(OFS_PARM0))
4830         {
4831                 VM_Warning(prog, "VM_buf_copy: source == destination (%i) in %s\n", i, prog->name);
4832                 return;
4833         }
4834         dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4835         if(!dststringbuffer)
4836         {
4837                 VM_Warning(prog, "VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
4838                 return;
4839         }
4840
4841         for (i = 0;i < dststringbuffer->num_strings;i++)
4842                 if (dststringbuffer->strings[i])
4843                         Mem_Free(dststringbuffer->strings[i]);
4844         if (dststringbuffer->strings)
4845                 Mem_Free(dststringbuffer->strings);
4846         *dststringbuffer = *srcstringbuffer;
4847         if (dststringbuffer->max_strings)
4848                 dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
4849
4850         for (i = 0;i < dststringbuffer->num_strings;i++)
4851         {
4852                 if (srcstringbuffer->strings[i])
4853                 {
4854                         size_t stringlen;
4855                         stringlen = strlen(srcstringbuffer->strings[i]) + 1;
4856                         dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
4857                         memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
4858                 }
4859         }
4860 }
4861
4862 /*
4863 ========================
4864 VM_buf_sort
4865 sort buffer by beginnings of strings (cmplength defaults it's length)
4866 "backward == TRUE" means that sorting goes upside-down
4867 void buf_sort(float bufhandle, float cmplength, float backward) = #464;
4868 ========================
4869 */
4870 void VM_buf_sort (prvm_prog_t *prog)
4871 {
4872         prvm_stringbuffer_t *stringbuffer;
4873         VM_SAFEPARMCOUNT(3, VM_buf_sort);
4874
4875         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4876         if(!stringbuffer)
4877         {
4878                 VM_Warning(prog, "VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4879                 return;
4880         }
4881         if(stringbuffer->num_strings <= 0)
4882         {
4883                 VM_Warning(prog, "VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4884                 return;
4885         }
4886         stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
4887         if(stringbuffers_sortlength <= 0)
4888                 stringbuffers_sortlength = 0x7FFFFFFF;
4889
4890         if(!PRVM_G_FLOAT(OFS_PARM2))
4891                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
4892         else
4893                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
4894
4895         BufStr_Shrink(prog, stringbuffer);
4896 }
4897
4898 /*
4899 ========================
4900 VM_buf_implode
4901 concantenates all buffer string into one with "glue" separator and returns it as tempstring
4902 string buf_implode(float bufhandle, string glue) = #465;
4903 ========================
4904 */
4905 void VM_buf_implode (prvm_prog_t *prog)
4906 {
4907         prvm_stringbuffer_t *stringbuffer;
4908         char                    k[VM_STRINGTEMP_LENGTH];
4909         const char              *sep;
4910         int                             i;
4911         size_t                  l;
4912         VM_SAFEPARMCOUNT(2, VM_buf_implode);
4913
4914         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4915         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4916         if(!stringbuffer)
4917         {
4918                 VM_Warning(prog, "VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4919                 return;
4920         }
4921         if(!stringbuffer->num_strings)
4922                 return;
4923         sep = PRVM_G_STRING(OFS_PARM1);
4924         k[0] = 0;
4925         for(l = i = 0;i < stringbuffer->num_strings;i++)
4926         {
4927                 if(stringbuffer->strings[i])
4928                 {
4929                         l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
4930                         if (l >= sizeof(k) - 1)
4931                                 break;
4932                         strlcat(k, sep, sizeof(k));
4933                         strlcat(k, stringbuffer->strings[i], sizeof(k));
4934                 }
4935         }
4936         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, k);
4937 }
4938
4939 /*
4940 ========================
4941 VM_bufstr_get
4942 get a string from buffer, returns tempstring, dont str_unzone it!
4943 string bufstr_get(float bufhandle, float string_index) = #465;
4944 ========================
4945 */
4946 void VM_bufstr_get (prvm_prog_t *prog)
4947 {
4948         prvm_stringbuffer_t *stringbuffer;
4949         int                             strindex;
4950         VM_SAFEPARMCOUNT(2, VM_bufstr_get);
4951
4952         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4953         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4954         if(!stringbuffer)
4955         {
4956                 VM_Warning(prog, "VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4957                 return;
4958         }
4959         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4960         if (strindex < 0)
4961         {
4962                 // VM_Warning(prog, "VM_bufstr_get: invalid string index %i used in %s\n", strindex, prog->name);
4963                 return;
4964         }
4965         if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
4966                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, stringbuffer->strings[strindex]);
4967 }
4968
4969 /*
4970 ========================
4971 VM_bufstr_set
4972 copies a string into selected slot of buffer
4973 void bufstr_set(float bufhandle, float string_index, string str) = #466;
4974 ========================
4975 */
4976 void VM_bufstr_set (prvm_prog_t *prog)
4977 {
4978         int                             strindex;
4979         prvm_stringbuffer_t *stringbuffer;
4980         const char              *news;
4981
4982         VM_SAFEPARMCOUNT(3, VM_bufstr_set);
4983
4984         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4985         if(!stringbuffer)
4986         {
4987                 VM_Warning(prog, "VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4988                 return;
4989         }
4990         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4991         if(strindex < 0 || strindex >= 1000000) // huge number of strings
4992         {
4993                 VM_Warning(prog, "VM_bufstr_set: invalid string index %i used in %s\n", strindex, prog->name);
4994                 return;
4995         }
4996
4997         news = PRVM_G_STRING(OFS_PARM2);
4998         BufStr_Set(prog, stringbuffer, strindex, news);
4999 }
5000
5001 /*
5002 ========================
5003 VM_bufstr_add
5004 adds string to buffer in first free slot and returns its index
5005 "order == TRUE" means that string will be added after last "full" slot
5006 float bufstr_add(float bufhandle, string str, float order) = #467;
5007 ========================
5008 */
5009 void VM_bufstr_add (prvm_prog_t *prog)
5010 {
5011         int                             order, strindex;
5012         prvm_stringbuffer_t *stringbuffer;
5013         const char              *string;
5014         size_t                  alloclen;
5015
5016         VM_SAFEPARMCOUNT(3, VM_bufstr_add);
5017
5018         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5019         PRVM_G_FLOAT(OFS_RETURN) = -1;
5020         if(!stringbuffer)
5021         {
5022                 VM_Warning(prog, "VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5023                 return;
5024         }
5025         if(!PRVM_G_INT(OFS_PARM1)) // NULL string
5026         {
5027                 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);
5028                 return;
5029         }
5030         string = PRVM_G_STRING(OFS_PARM1);
5031         order = (int)PRVM_G_FLOAT(OFS_PARM2);
5032         if(order)
5033                 strindex = stringbuffer->num_strings;
5034         else
5035                 for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
5036                         if (stringbuffer->strings[strindex] == NULL)
5037                                 break;
5038
5039         BufStr_Expand(prog, stringbuffer, strindex);
5040
5041         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5042         alloclen = strlen(string) + 1;
5043         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5044         memcpy(stringbuffer->strings[strindex], string, alloclen);
5045
5046         PRVM_G_FLOAT(OFS_RETURN) = strindex;
5047 }
5048
5049 /*
5050 ========================
5051 VM_bufstr_free
5052 delete string from buffer
5053 void bufstr_free(float bufhandle, float string_index) = #468;
5054 ========================
5055 */
5056 void VM_bufstr_free (prvm_prog_t *prog)
5057 {
5058         int                             i;
5059         prvm_stringbuffer_t     *stringbuffer;
5060         VM_SAFEPARMCOUNT(2, VM_bufstr_free);
5061
5062         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5063         if(!stringbuffer)
5064         {
5065                 VM_Warning(prog, "VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5066                 return;
5067         }
5068         i = (int)PRVM_G_FLOAT(OFS_PARM1);
5069         if(i < 0)
5070         {
5071                 VM_Warning(prog, "VM_bufstr_free: invalid string index %i used in %s\n", i, prog->name);
5072                 return;
5073         }
5074
5075         if (i < stringbuffer->num_strings)
5076         {
5077                 if(stringbuffer->strings[i])
5078                         Mem_Free(stringbuffer->strings[i]);
5079                 stringbuffer->strings[i] = NULL;
5080         }
5081
5082         BufStr_Shrink(prog, stringbuffer);
5083 }
5084
5085 /*
5086 ========================
5087 VM_buf_loadfile
5088 load a file into string buffer, return 0 or 1
5089 float buf_loadfile(string filename, float bufhandle) = #535;
5090 ========================
5091 */
5092 void VM_buf_loadfile(prvm_prog_t *prog)
5093 {
5094         size_t alloclen;
5095         prvm_stringbuffer_t *stringbuffer;
5096         char string[VM_STRINGTEMP_LENGTH];
5097         int strindex, c, end;
5098         const char *filename;
5099         char vabuf[1024];
5100         qfile_t *file;
5101
5102         VM_SAFEPARMCOUNT(2, VM_buf_loadfile);
5103
5104         // get file
5105         filename = PRVM_G_STRING(OFS_PARM0);
5106         file = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "data/%s", filename), false);
5107         if (file == NULL)
5108                 file = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "%s", filename), false);
5109         if (file == NULL)
5110         {
5111                 if (developer_extra.integer)
5112                         VM_Warning(prog, "VM_buf_loadfile: failed to open file %s in %s\n", filename, prog->name);
5113                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5114                 return;
5115         }
5116
5117         // get string buffer
5118         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM1));
5119         if(!stringbuffer)
5120         {
5121                 VM_Warning(prog, "VM_buf_loadfile: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
5122                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5123                 return;
5124         }
5125
5126         // read file (append to the end of buffer)
5127         strindex = stringbuffer->num_strings;
5128         while(1)
5129         {
5130                 // read line
5131                 end = 0;
5132                 for (;;)
5133                 {
5134                         c = FS_Getc(file);
5135                         if (c == '\r' || c == '\n' || c < 0)
5136                                 break;
5137                         if (end < VM_STRINGTEMP_LENGTH - 1)
5138                                 string[end++] = c;
5139                 }
5140                 string[end] = 0;
5141                 // remove \n following \r
5142                 if (c == '\r')
5143                 {
5144                         c = FS_Getc(file);
5145                         if (c != '\n')
5146                                 FS_UnGetc(file, (unsigned char)c);
5147                 }
5148                 // add and continue
5149                 if (c >= 0 || end)
5150                 {
5151                         BufStr_Expand(prog, stringbuffer, strindex);
5152                         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5153                         alloclen = strlen(string) + 1;
5154                         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5155                         memcpy(stringbuffer->strings[strindex], string, alloclen);
5156                         strindex = stringbuffer->num_strings;
5157                 }
5158                 else
5159                         break;
5160         }
5161
5162         // close file
5163         FS_Close(file);
5164         PRVM_G_FLOAT(OFS_RETURN) = 1;
5165 }
5166
5167 /*
5168 ========================
5169 VM_buf_writefile
5170 writes stringbuffer to a file, returns 0 or 1
5171 float buf_writefile(float filehandle, float bufhandle, [, float startpos, float numstrings]) = #468;
5172 ========================
5173 */
5174
5175 void VM_buf_writefile(prvm_prog_t *prog)
5176 {
5177         int filenum, strindex, strnum, strlength;
5178         prvm_stringbuffer_t *stringbuffer;
5179
5180         VM_SAFEPARMCOUNTRANGE(2, 4, VM_buf_writefile);
5181
5182         // get file
5183         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
5184         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
5185         {
5186                 VM_Warning(prog, "VM_buf_writefile: invalid file handle %i used in %s\n", filenum, prog->name);
5187                 return;
5188         }
5189         if (prog->openfiles[filenum] == NULL)
5190         {
5191                 VM_Warning(prog, "VM_buf_writefile: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
5192                 return;
5193         }
5194
5195         // get string buffer
5196         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM1));
5197         if(!stringbuffer)
5198         {
5199                 VM_Warning(prog, "VM_buf_writefile: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
5200                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5201                 return;
5202         }
5203
5204         // get start and end parms
5205         if (prog->argc > 3)
5206         {
5207                 strindex = (int)PRVM_G_FLOAT(OFS_PARM2);
5208                 strnum = (int)PRVM_G_FLOAT(OFS_PARM3);
5209         }
5210         else if (prog->argc > 2)
5211         {
5212                 strindex = (int)PRVM_G_FLOAT(OFS_PARM2);
5213                 strnum = stringbuffer->num_strings - strindex;
5214         }
5215         else
5216         {
5217                 strindex = 0;
5218                 strnum = stringbuffer->num_strings;
5219         }
5220         if (strindex < 0 || strindex >= stringbuffer->num_strings)
5221         {
5222                 VM_Warning(prog, "VM_buf_writefile: wrong start string index %i used in %s\n", strindex, prog->name);
5223                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5224                 return;
5225         }
5226         if (strnum < 0)
5227         {
5228                 VM_Warning(prog, "VM_buf_writefile: wrong strings count %i used in %s\n", strnum, prog->name);
5229                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5230                 return;
5231         }
5232
5233         // write
5234         while(strindex < stringbuffer->num_strings && strnum)
5235         {
5236                 if (stringbuffer->strings[strindex])
5237                 {
5238                         if ((strlength = (int)strlen(stringbuffer->strings[strindex])))
5239                                 FS_Write(prog->openfiles[filenum], stringbuffer->strings[strindex], strlength);
5240                         FS_Write(prog->openfiles[filenum], "\n", 1);
5241                 }
5242                 strindex++;
5243                 strnum--;
5244         }
5245
5246         PRVM_G_FLOAT(OFS_RETURN) = 1;
5247 }
5248
5249 #define MATCH_AUTO     0
5250 #define MATCH_WHOLE    1
5251 #define MATCH_LEFT     2
5252 #define MATCH_RIGHT    3
5253 #define MATCH_MIDDLE   4
5254 #define MATCH_PATTERN  5
5255
5256 static const char *detect_match_rule(char *pattern, int *matchrule)
5257 {
5258         char *ppos, *qpos;
5259         int patternlength;
5260
5261         patternlength = (int)strlen(pattern);
5262         ppos = strchr(pattern, '*');
5263         qpos = strchr(pattern, '?');
5264         // has ? - pattern
5265         if (qpos)
5266         {
5267                 *matchrule = MATCH_PATTERN;
5268                 return pattern;
5269         }
5270         // has * - left, mid, right or pattern
5271         if (ppos)
5272         {
5273                 // starts with * - may be right/mid or pattern
5274                 if ((ppos - pattern) == 0)
5275                 {
5276                         ppos = strchr(pattern+1, '*');
5277                         // *something
5278                         if (!ppos)
5279                         {
5280                                 *matchrule = MATCH_RIGHT;
5281                                 return pattern+1;
5282                         }
5283                         // *something*
5284                         if ((ppos - pattern) == patternlength)
5285                         {
5286                                 *matchrule = MATCH_MIDDLE;
5287                                 *ppos = 0;
5288                                 return pattern+1;
5289                         }
5290                         // *som*thing
5291                         *matchrule = MATCH_PATTERN;
5292                         return pattern;
5293                 }
5294                 // end with * - left
5295                 if ((ppos - pattern) == patternlength)
5296                 {
5297                         *matchrule = MATCH_LEFT;
5298                         *ppos = 0;
5299                         return pattern;
5300                 }
5301                 // som*thing
5302                 *matchrule = MATCH_PATTERN;
5303                 return pattern;
5304         }
5305         // have no wildcards - whole string
5306         *matchrule = MATCH_WHOLE;
5307         return pattern;
5308 }
5309
5310 // todo: support UTF8
5311 static qboolean match_rule(const char *string, int max_string, const char *pattern, int patternlength, int rule)
5312 {
5313         const char *mid;
5314
5315         if (rule == 1)
5316                 return !strncmp(string, pattern, max_string) ? true : false;
5317         if (rule == 2)
5318                 return !strncmp(string, pattern, patternlength) ? true : false;
5319         if (rule == 3)
5320         {
5321                 mid = strstr(string, pattern);
5322                 return mid && !*(mid+patternlength);
5323         }
5324         if (rule == 4)
5325                 return strstr(string, pattern) ? true : false;
5326         // pattern
5327         return matchpattern_with_separator(string, pattern, false, "", false) ? true : false;
5328 }
5329
5330 /*
5331 ========================
5332 VM_bufstr_find
5333 find an index of bufstring matching rule
5334 float bufstr_find(float bufhandle, string match, float matchrule, float startpos, float step) = #468;
5335 ========================
5336 */
5337
5338 void VM_bufstr_find(prvm_prog_t *prog)
5339 {
5340         prvm_stringbuffer_t *stringbuffer;
5341         char string[VM_STRINGTEMP_LENGTH];
5342         int matchrule, matchlen, i, step;
5343         const char *match;
5344
5345         VM_SAFEPARMCOUNTRANGE(3, 5, VM_bufstr_find);
5346
5347         PRVM_G_FLOAT(OFS_RETURN) = -1;
5348
5349         // get string buffer
5350         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5351         if(!stringbuffer)
5352         {
5353                 VM_Warning(prog, "VM_bufstr_find: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5354                 return;
5355         }
5356
5357         // get pattern/rule
5358         matchrule = (int)PRVM_G_FLOAT(OFS_PARM2);
5359         if (matchrule < 0 && matchrule > 5)
5360         {
5361                 VM_Warning(prog, "VM_bufstr_find: invalid match rule %i in %s\n", matchrule, prog->name);
5362                 return;
5363         }
5364         if (matchrule)
5365                 match = PRVM_G_STRING(OFS_PARM1);
5366         else
5367         {
5368                 strlcpy(string, PRVM_G_STRING(OFS_PARM1), sizeof(string));
5369                 match = detect_match_rule(string, &matchrule);
5370         }
5371         matchlen = (int)strlen(match);
5372
5373         // find
5374         i = (prog->argc > 3) ? (int)PRVM_G_FLOAT(OFS_PARM3) : 0;
5375         step = (prog->argc > 4) ? (int)PRVM_G_FLOAT(OFS_PARM4) : 1;
5376         while(i < stringbuffer->num_strings)
5377         {
5378                 if (stringbuffer->strings[i] && match_rule(stringbuffer->strings[i], VM_STRINGTEMP_LENGTH, match, matchlen, matchrule))
5379                 {
5380                         PRVM_G_FLOAT(OFS_RETURN) = i;
5381                         break;
5382                 }
5383                 i += step;
5384         }
5385 }
5386
5387 /*
5388 ========================
5389 VM_matchpattern
5390 float matchpattern(string s, string pattern, float matchrule, float startpos) = #468;
5391 ========================
5392 */
5393 void VM_matchpattern(prvm_prog_t *prog)
5394 {
5395         const char *s, *match;
5396         char string[VM_STRINGTEMP_LENGTH];
5397         int matchrule, l;
5398
5399         VM_SAFEPARMCOUNTRANGE(2, 4, VM_matchpattern);
5400
5401         s = PRVM_G_STRING(OFS_PARM0);
5402
5403         // get pattern/rule
5404         matchrule = (int)PRVM_G_FLOAT(OFS_PARM2);
5405         if (matchrule < 0 && matchrule > 5)
5406         {
5407                 VM_Warning(prog, "VM_bufstr_find: invalid match rule %i in %s\n", matchrule, prog->name);
5408                 return;
5409         }
5410         if (matchrule)
5411                 match = PRVM_G_STRING(OFS_PARM1);
5412         else
5413         {
5414                 strlcpy(string, PRVM_G_STRING(OFS_PARM1), sizeof(string));
5415                 match = detect_match_rule(string, &matchrule);
5416         }
5417
5418         // offset
5419         l = (int)strlen(match);
5420         if (prog->argc > 3)
5421                 s += max(0, min((unsigned int)PRVM_G_FLOAT(OFS_PARM3), strlen(s)-1));
5422
5423         // match
5424         PRVM_G_FLOAT(OFS_RETURN) = match_rule(s, VM_STRINGTEMP_LENGTH, match, l, matchrule);
5425 }
5426
5427 /*
5428 ========================
5429 VM_buf_cvarlist
5430 ========================
5431 */
5432
5433 void VM_buf_cvarlist(prvm_prog_t *prog)
5434 {
5435         cvar_t *cvar;
5436         const char *partial, *antipartial;
5437         size_t len, antilen;
5438         size_t alloclen;
5439         qboolean ispattern, antiispattern;
5440         int n;
5441         prvm_stringbuffer_t     *stringbuffer;
5442         VM_SAFEPARMCOUNTRANGE(2, 3, VM_buf_cvarlist);
5443
5444         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5445         if(!stringbuffer)
5446         {
5447                 VM_Warning(prog, "VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5448                 return;
5449         }
5450
5451         partial = PRVM_G_STRING(OFS_PARM1);
5452         if(!partial)
5453                 len = 0;
5454         else
5455                 len = strlen(partial);
5456
5457         if(prog->argc == 3)
5458                 antipartial = PRVM_G_STRING(OFS_PARM2);
5459         else
5460                 antipartial = NULL;
5461         if(!antipartial)
5462                 antilen = 0;
5463         else
5464                 antilen = strlen(antipartial);
5465
5466         for (n = 0;n < stringbuffer->num_strings;n++)
5467                 if (stringbuffer->strings[n])
5468                         Mem_Free(stringbuffer->strings[n]);
5469         if (stringbuffer->strings)
5470                 Mem_Free(stringbuffer->strings);
5471         stringbuffer->strings = NULL;
5472
5473         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
5474         antiispattern = antipartial && (strchr(antipartial, '*') || strchr(antipartial, '?'));
5475
5476         n = 0;
5477         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5478         {
5479                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5480                         continue;
5481
5482                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5483                         continue;
5484
5485                 ++n;
5486         }
5487
5488         stringbuffer->max_strings = stringbuffer->num_strings = n;
5489         if (stringbuffer->max_strings)
5490                 stringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(stringbuffer->strings[0]) * stringbuffer->max_strings);
5491
5492         n = 0;
5493         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5494         {
5495                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5496                         continue;
5497
5498                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5499                         continue;
5500
5501                 alloclen = strlen(cvar->name) + 1;
5502                 stringbuffer->strings[n] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5503                 memcpy(stringbuffer->strings[n], cvar->name, alloclen);
5504
5505                 ++n;
5506         }
5507 }
5508
5509
5510
5511
5512 //=============
5513
5514 /*
5515 ==============
5516 VM_changeyaw
5517
5518 This was a major timewaster in progs, so it was converted to C
5519 ==============
5520 */
5521 void VM_changeyaw (prvm_prog_t *prog)
5522 {
5523         prvm_edict_t            *ent;
5524         float           ideal, current, move, speed;
5525
5526         // this is called (VERY HACKISHLY) by VM_SV_MoveToGoal, so it can not use any
5527         // parameters because they are the parameters to VM_SV_MoveToGoal, not this
5528         //VM_SAFEPARMCOUNT(0, VM_changeyaw);
5529
5530         ent = PRVM_PROG_TO_EDICT(PRVM_gameglobaledict(self));
5531         if (ent == prog->edicts)
5532         {
5533                 VM_Warning(prog, "changeyaw: can not modify world entity\n");
5534                 return;
5535         }
5536         if (ent->priv.server->free)
5537         {
5538                 VM_Warning(prog, "changeyaw: can not modify free entity\n");
5539                 return;
5540         }
5541         current = PRVM_gameedictvector(ent, angles)[1];
5542         current = ANGLEMOD(current);
5543         ideal = PRVM_gameedictfloat(ent, ideal_yaw);
5544         speed = PRVM_gameedictfloat(ent, yaw_speed);
5545
5546         if (current == ideal)
5547                 return;
5548         move = ideal - current;
5549         if (ideal > current)
5550         {
5551                 if (move >= 180)
5552                         move = move - 360;
5553         }
5554         else
5555         {
5556                 if (move <= -180)
5557                         move = move + 360;
5558         }
5559         if (move > 0)
5560         {
5561                 if (move > speed)
5562                         move = speed;
5563         }
5564         else
5565         {
5566                 if (move < -speed)
5567                         move = -speed;
5568         }
5569
5570         current += move;
5571         PRVM_gameedictvector(ent, angles)[1] = ANGLEMOD(current);
5572 }
5573
5574 /*
5575 ==============
5576 VM_changepitch
5577 ==============
5578 */
5579 void VM_changepitch (prvm_prog_t *prog)
5580 {
5581         prvm_edict_t            *ent;
5582         float           ideal, current, move, speed;
5583
5584         VM_SAFEPARMCOUNT(1, VM_changepitch);
5585
5586         ent = PRVM_G_EDICT(OFS_PARM0);
5587         if (ent == prog->edicts)
5588         {
5589                 VM_Warning(prog, "changepitch: can not modify world entity\n");
5590                 return;
5591         }
5592         if (ent->priv.server->free)
5593         {
5594                 VM_Warning(prog, "changepitch: can not modify free entity\n");
5595                 return;
5596         }
5597         current = PRVM_gameedictvector(ent, angles)[0];
5598         current = ANGLEMOD(current);
5599         ideal = PRVM_gameedictfloat(ent, idealpitch);
5600         speed = PRVM_gameedictfloat(ent, pitch_speed);
5601
5602         if (current == ideal)
5603                 return;
5604         move = ideal - current;
5605         if (ideal > current)
5606         {
5607                 if (move >= 180)
5608                         move = move - 360;
5609         }
5610         else
5611         {
5612                 if (move <= -180)
5613                         move = move + 360;
5614         }
5615         if (move > 0)
5616         {
5617                 if (move > speed)
5618                         move = speed;
5619         }
5620         else
5621         {
5622                 if (move < -speed)
5623                         move = -speed;
5624         }
5625
5626         current += move;
5627         PRVM_gameedictvector(ent, angles)[0] = ANGLEMOD(current);
5628 }
5629
5630
5631 void VM_uncolorstring (prvm_prog_t *prog)
5632 {
5633         char szNewString[VM_STRINGTEMP_LENGTH];
5634         const char *szString;
5635
5636         // Prepare Strings
5637         VM_SAFEPARMCOUNT(1, VM_uncolorstring);
5638         szString = PRVM_G_STRING(OFS_PARM0);
5639         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
5640         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
5641
5642 }
5643
5644 // #221 float(string str, string sub[, float startpos]) strstrofs (FTE_STRINGS)
5645 //strstr, without generating a new string. Use in conjunction with FRIK_FILE's substring for more similar strstr.
5646 void VM_strstrofs (prvm_prog_t *prog)
5647 {
5648         const char *instr, *match;
5649         int firstofs;
5650         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strstrofs);
5651         instr = PRVM_G_STRING(OFS_PARM0);
5652         match = PRVM_G_STRING(OFS_PARM1);
5653         firstofs = (prog->argc > 2)?(int)PRVM_G_FLOAT(OFS_PARM2):0;
5654         firstofs = (int)u8_bytelen(instr, firstofs);
5655
5656         if (firstofs && (firstofs < 0 || firstofs > (int)strlen(instr)))
5657         {
5658                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5659                 return;
5660         }
5661
5662         match = strstr(instr+firstofs, match);
5663         if (!match)
5664                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5665         else
5666                 PRVM_G_FLOAT(OFS_RETURN) = u8_strnlen(instr, match-instr);
5667 }
5668
5669 //#222 string(string s, float index) str2chr (FTE_STRINGS)
5670 void VM_str2chr (prvm_prog_t *prog)
5671 {
5672         const char *s;
5673         Uchar ch;
5674         int index;
5675         VM_SAFEPARMCOUNT(2, VM_str2chr);
5676         s = PRVM_G_STRING(OFS_PARM0);
5677         index = (int)u8_bytelen(s, (int)PRVM_G_FLOAT(OFS_PARM1));
5678
5679         if((unsigned)index < strlen(s))
5680         {
5681                 if (utf8_enable.integer)
5682                         ch = u8_getchar_noendptr(s + index);
5683                 else
5684                         ch = (unsigned char)s[index];
5685                 PRVM_G_FLOAT(OFS_RETURN) = ch;
5686         }
5687         else
5688                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5689 }
5690
5691 //#223 string(float c, ...) chr2str (FTE_STRINGS)
5692 void VM_chr2str (prvm_prog_t *prog)
5693 {
5694         /*
5695         char    t[9];
5696         int             i;
5697         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5698         for(i = 0;i < prog->argc && i < (int)sizeof(t) - 1;i++)
5699                 t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
5700         t[i] = 0;
5701         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
5702         */
5703         char t[9 * 4 + 1];
5704         int i;
5705         size_t len = 0;
5706         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5707         for(i = 0; i < prog->argc && len < sizeof(t)-1; ++i)
5708                 len += u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0+i*3), t + len, sizeof(t)-1);
5709         t[len] = 0;
5710         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
5711 }
5712
5713 static int chrconv_number(int i, int base, int conv)
5714 {
5715         i -= base;
5716         switch (conv)
5717         {
5718         default:
5719         case 5:
5720         case 6:
5721         case 0:
5722                 break;
5723         case 1:
5724                 base = '0';
5725                 break;
5726         case 2:
5727                 base = '0'+128;
5728                 break;
5729         case 3:
5730                 base = '0'-30;
5731                 break;
5732         case 4:
5733                 base = '0'+128-30;
5734                 break;
5735         }
5736         return i + base;
5737 }
5738 static int chrconv_punct(int i, int base, int conv)
5739 {
5740         i -= base;
5741         switch (conv)
5742         {
5743         default:
5744         case 0:
5745                 break;
5746         case 1:
5747                 base = 0;
5748                 break;
5749         case 2:
5750                 base = 128;
5751                 break;
5752         }
5753         return i + base;
5754 }
5755
5756 static int chrchar_alpha(int i, int basec, int baset, int convc, int convt, int charnum)
5757 {
5758         //convert case and colour seperatly...
5759
5760         i -= baset + basec;
5761         switch (convt)
5762         {
5763         default:
5764         case 0:
5765                 break;
5766         case 1:
5767                 baset = 0;
5768                 break;
5769         case 2:
5770                 baset = 128;
5771                 break;
5772
5773         case 5:
5774         case 6:
5775                 baset = 128*((charnum&1) == (convt-5));
5776                 break;
5777         }
5778
5779         switch (convc)
5780         {
5781         default:
5782         case 0:
5783                 break;
5784         case 1:
5785                 basec = 'a';
5786                 break;
5787         case 2:
5788                 basec = 'A';
5789                 break;
5790         }
5791         return i + basec + baset;
5792 }
5793 // #224 string(float ccase, float calpha, float cnum, string s, ...) strconv (FTE_STRINGS)
5794 //bulk convert a string. change case or colouring.
5795 void VM_strconv (prvm_prog_t *prog)
5796 {
5797         int ccase, redalpha, rednum, len, i;
5798         unsigned char resbuf[VM_STRINGTEMP_LENGTH];
5799         unsigned char *result = resbuf;
5800
5801         VM_SAFEPARMCOUNTRANGE(3, 8, VM_strconv);
5802
5803         ccase = (int) PRVM_G_FLOAT(OFS_PARM0);  //0 same, 1 lower, 2 upper
5804         redalpha = (int) PRVM_G_FLOAT(OFS_PARM1);       //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
5805         rednum = (int) PRVM_G_FLOAT(OFS_PARM2); //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
5806         VM_VarString(prog, 3, (char *) resbuf, sizeof(resbuf));
5807         len = (int)strlen((char *) resbuf);
5808
5809         for (i = 0; i < len; i++, result++)     //should this be done backwards?
5810         {
5811                 if (*result >= '0' && *result <= '9')   //normal numbers...
5812                         *result = chrconv_number(*result, '0', rednum);
5813                 else if (*result >= '0'+128 && *result <= '9'+128)
5814                         *result = chrconv_number(*result, '0'+128, rednum);
5815                 else if (*result >= '0'+128-30 && *result <= '9'+128-30)
5816                         *result = chrconv_number(*result, '0'+128-30, rednum);
5817                 else if (*result >= '0'-30 && *result <= '9'-30)
5818                         *result = chrconv_number(*result, '0'-30, rednum);
5819
5820                 else if (*result >= 'a' && *result <= 'z')      //normal numbers...
5821                         *result = chrchar_alpha(*result, 'a', 0, ccase, redalpha, i);
5822                 else if (*result >= 'A' && *result <= 'Z')      //normal numbers...
5823                         *result = chrchar_alpha(*result, 'A', 0, ccase, redalpha, i);
5824                 else if (*result >= 'a'+128 && *result <= 'z'+128)      //normal numbers...
5825                         *result = chrchar_alpha(*result, 'a', 128, ccase, redalpha, i);
5826                 else if (*result >= 'A'+128 && *result <= 'Z'+128)      //normal numbers...
5827                         *result = chrchar_alpha(*result, 'A', 128, ccase, redalpha, i);
5828
5829                 else if ((*result & 127) < 16 || !redalpha)     //special chars..
5830                         *result = *result;
5831                 else if (*result < 128)
5832                         *result = chrconv_punct(*result, 0, redalpha);
5833                 else
5834                         *result = chrconv_punct(*result, 128, redalpha);
5835         }
5836         *result = '\0';
5837
5838         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, (char *) resbuf);
5839 }
5840
5841 // #225 string(float chars, string s, ...) strpad (FTE_STRINGS)
5842 void VM_strpad (prvm_prog_t *prog)
5843 {
5844         char src[VM_STRINGTEMP_LENGTH];
5845         char destbuf[VM_STRINGTEMP_LENGTH];
5846         int pad;
5847         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strpad);
5848         pad = (int) PRVM_G_FLOAT(OFS_PARM0);
5849         VM_VarString(prog, 1, src, sizeof(src));
5850
5851         // note: < 0 = left padding, > 0 = right padding,
5852         // this is reverse logic of printf!
5853         dpsnprintf(destbuf, sizeof(destbuf), "%*s", -pad, src);
5854
5855         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, destbuf);
5856 }
5857
5858 // #226 string(string info, string key, string value, ...) infoadd (FTE_STRINGS)
5859 //uses qw style \key\value strings
5860 void VM_infoadd (prvm_prog_t *prog)
5861 {
5862         const char *info, *key;
5863         char value[VM_STRINGTEMP_LENGTH];
5864         char temp[VM_STRINGTEMP_LENGTH];
5865
5866         VM_SAFEPARMCOUNTRANGE(2, 8, VM_infoadd);
5867         info = PRVM_G_STRING(OFS_PARM0);
5868         key = PRVM_G_STRING(OFS_PARM1);
5869         VM_VarString(prog, 2, value, sizeof(value));
5870
5871         strlcpy(temp, info, VM_STRINGTEMP_LENGTH);
5872
5873         InfoString_SetValue(temp, VM_STRINGTEMP_LENGTH, key, value);
5874
5875         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, temp);
5876 }
5877
5878 // #227 string(string info, string key) infoget (FTE_STRINGS)
5879 //uses qw style \key\value strings
5880 void VM_infoget (prvm_prog_t *prog)
5881 {
5882         const char *info;
5883         const char *key;
5884         char value[VM_STRINGTEMP_LENGTH];
5885
5886         VM_SAFEPARMCOUNT(2, VM_infoget);
5887         info = PRVM_G_STRING(OFS_PARM0);
5888         key = PRVM_G_STRING(OFS_PARM1);
5889
5890         InfoString_GetValue(info, key, value, VM_STRINGTEMP_LENGTH);
5891
5892         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, value);
5893 }
5894
5895 //#228 float(string s1, string s2, float len) strncmp (FTE_STRINGS)
5896 // also float(string s1, string s2) strcmp (FRIK_FILE)
5897 void VM_strncmp (prvm_prog_t *prog)
5898 {
5899         const char *s1, *s2;
5900         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncmp);
5901         s1 = PRVM_G_STRING(OFS_PARM0);
5902         s2 = PRVM_G_STRING(OFS_PARM1);
5903         if (prog->argc > 2)
5904         {
5905                 PRVM_G_FLOAT(OFS_RETURN) = strncmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5906         }
5907         else
5908         {
5909                 PRVM_G_FLOAT(OFS_RETURN) = strcmp(s1, s2);
5910         }
5911 }
5912
5913 // #229 float(string s1, string s2) strcasecmp (FTE_STRINGS)
5914 // #230 float(string s1, string s2, float len) strncasecmp (FTE_STRINGS)
5915 void VM_strncasecmp (prvm_prog_t *prog)
5916 {
5917         const char *s1, *s2;
5918         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncasecmp);
5919         s1 = PRVM_G_STRING(OFS_PARM0);
5920         s2 = PRVM_G_STRING(OFS_PARM1);
5921         if (prog->argc > 2)
5922         {
5923                 PRVM_G_FLOAT(OFS_RETURN) = strncasecmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5924         }
5925         else
5926         {
5927                 PRVM_G_FLOAT(OFS_RETURN) = strcasecmp(s1, s2);
5928         }
5929 }
5930
5931 // #494 float(float caseinsensitive, string s, ...) crc16
5932 void VM_crc16(prvm_prog_t *prog)
5933 {
5934         float insensitive;
5935         char s[VM_STRINGTEMP_LENGTH];
5936         VM_SAFEPARMCOUNTRANGE(2, 8, VM_crc16);
5937         insensitive = PRVM_G_FLOAT(OFS_PARM0);
5938         VM_VarString(prog, 1, s, sizeof(s));
5939         PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
5940 }
5941
5942 // #639 float(string digest, string data, ...) digest_hex
5943 void VM_digest_hex(prvm_prog_t *prog)
5944 {
5945         const char *digest;
5946
5947         char out[32];
5948         char outhex[65];
5949         int outlen;
5950
5951         char s[VM_STRINGTEMP_LENGTH];
5952         int len;
5953
5954         VM_SAFEPARMCOUNTRANGE(2, 8, VM_digest_hex);
5955         digest = PRVM_G_STRING(OFS_PARM0);
5956         if(!digest)
5957                 digest = "";
5958         VM_VarString(prog, 1, s, sizeof(s));
5959         len = (int)strlen(s);
5960
5961         outlen = 0;
5962
5963         if(!strcmp(digest, "MD4"))
5964         {
5965                 outlen = 16;
5966                 mdfour((unsigned char *) out, (unsigned char *) s, len);
5967         }
5968         else if(!strcmp(digest, "SHA256") && Crypto_Available())
5969         {
5970                 outlen = 32;
5971                 sha256((unsigned char *) out, (unsigned char *) s, len);
5972         }
5973         // no warning needed on mismatch - we return string_null to QC
5974
5975         if(outlen)
5976         {
5977                 int i;
5978                 static const char *hexmap = "0123456789abcdef";
5979                 for(i = 0; i < outlen; ++i)
5980                 {
5981                         outhex[2*i]   = hexmap[(out[i] >> 4) & 15];
5982                         outhex[2*i+1] = hexmap[(out[i] >> 0) & 15];
5983                 }
5984                 outhex[2*i] = 0;
5985                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, outhex);
5986         }
5987         else
5988                 PRVM_G_INT(OFS_RETURN) = 0;
5989 }
5990
5991 void VM_wasfreed (prvm_prog_t *prog)
5992 {
5993         VM_SAFEPARMCOUNT(1, VM_wasfreed);
5994         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICT(OFS_PARM0)->priv.required->free;
5995 }
5996
5997 void VM_SetTraceGlobals(prvm_prog_t *prog, const trace_t *trace)
5998 {
5999         PRVM_gameglobalfloat(trace_allsolid) = trace->allsolid;
6000         PRVM_gameglobalfloat(trace_startsolid) = trace->startsolid;
6001         PRVM_gameglobalfloat(trace_fraction) = trace->fraction;
6002         PRVM_gameglobalfloat(trace_inwater) = trace->inwater;
6003         PRVM_gameglobalfloat(trace_inopen) = trace->inopen;
6004         VectorCopy(trace->endpos, PRVM_gameglobalvector(trace_endpos));
6005         VectorCopy(trace->plane.normal, PRVM_gameglobalvector(trace_plane_normal));
6006         PRVM_gameglobalfloat(trace_plane_dist) = trace->plane.dist;
6007         PRVM_gameglobaledict(trace_ent) = PRVM_EDICT_TO_PROG(trace->ent ? trace->ent : prog->edicts);
6008         PRVM_gameglobalfloat(trace_dpstartcontents) = trace->startsupercontents;
6009         PRVM_gameglobalfloat(trace_dphitcontents) = trace->hitsupercontents;
6010         PRVM_gameglobalfloat(trace_dphitq3surfaceflags) = trace->hitq3surfaceflags;
6011         PRVM_gameglobalstring(trace_dphittexturename) = trace->hittexture ? PRVM_SetTempString(prog, trace->hittexture->name) : 0;
6012 }
6013
6014 void VM_ClearTraceGlobals(prvm_prog_t *prog)
6015 {
6016         // clean up all trace globals when leaving the VM (anti-triggerbot safeguard)
6017         PRVM_gameglobalfloat(trace_allsolid) = 0;
6018         PRVM_gameglobalfloat(trace_startsolid) = 0;
6019         PRVM_gameglobalfloat(trace_fraction) = 0;
6020         PRVM_gameglobalfloat(trace_inwater) = 0;
6021         PRVM_gameglobalfloat(trace_inopen) = 0;
6022         VectorClear(PRVM_gameglobalvector(trace_endpos));
6023         VectorClear(PRVM_gameglobalvector(trace_plane_normal));
6024         PRVM_gameglobalfloat(trace_plane_dist) = 0;
6025         PRVM_gameglobaledict(trace_ent) = PRVM_EDICT_TO_PROG(prog->edicts);
6026         PRVM_gameglobalfloat(trace_dpstartcontents) = 0;
6027         PRVM_gameglobalfloat(trace_dphitcontents) = 0;
6028         PRVM_gameglobalfloat(trace_dphitq3surfaceflags) = 0;
6029         PRVM_gameglobalstring(trace_dphittexturename) = 0;
6030 }
6031
6032 //=============
6033
6034 void VM_Cmd_Init(prvm_prog_t *prog)
6035 {
6036         // only init the stuff for the current prog
6037         VM_Files_Init(prog);
6038         VM_Search_Init(prog);
6039 }
6040
6041 static void animatemodel_reset(prvm_prog_t *prog);
6042
6043 void VM_Cmd_Reset(prvm_prog_t *prog)
6044 {
6045         CL_PurgeOwner( MENUOWNER );
6046         VM_Search_Reset(prog);
6047         VM_Files_CloseAll(prog);
6048         animatemodel_reset(prog);
6049 }
6050
6051 // #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
6052 // does URI escaping on a string (replace evil stuff by %AB escapes)
6053 void VM_uri_escape (prvm_prog_t *prog)
6054 {
6055         char src[VM_STRINGTEMP_LENGTH];
6056         char dest[VM_STRINGTEMP_LENGTH];
6057         char *p, *q;
6058         static const char *hex = "0123456789ABCDEF";
6059
6060         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
6061         VM_VarString(prog, 0, src, sizeof(src));
6062
6063         for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
6064         {
6065                 if((*p >= 'A' && *p <= 'Z')
6066                         || (*p >= 'a' && *p <= 'z')
6067                         || (*p >= '0' && *p <= '9')
6068                         || (*p == '-')  || (*p == '_') || (*p == '.')
6069                         || (*p == '!')  || (*p == '~')
6070                         || (*p == '\'') || (*p == '(') || (*p == ')'))
6071                         *q++ = *p;
6072                 else
6073                 {
6074                         *q++ = '%';
6075                         *q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
6076                         *q++ = hex[ *(unsigned char *)p       & 0xF];
6077                 }
6078         }
6079         *q++ = 0;
6080
6081         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, dest);
6082 }
6083
6084 // #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
6085 // does URI unescaping on a string (get back the evil stuff)
6086 void VM_uri_unescape (prvm_prog_t *prog)
6087 {
6088         char src[VM_STRINGTEMP_LENGTH];
6089         char dest[VM_STRINGTEMP_LENGTH];
6090         char *p, *q;
6091         int hi, lo;
6092
6093         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
6094         VM_VarString(prog, 0, src, sizeof(src));
6095
6096         for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
6097         {
6098                 if(*p == '%')
6099                 {
6100                         if(p[1] >= '0' && p[1] <= '9')
6101                                 hi = p[1] - '0';
6102                         else if(p[1] >= 'a' && p[1] <= 'f')
6103                                 hi = p[1] - 'a' + 10;
6104                         else if(p[1] >= 'A' && p[1] <= 'F')
6105                                 hi = p[1] - 'A' + 10;
6106                         else
6107                                 goto nohex;
6108                         if(p[2] >= '0' && p[2] <= '9')
6109                                 lo = p[2] - '0';
6110                         else if(p[2] >= 'a' && p[2] <= 'f')
6111                                 lo = p[2] - 'a' + 10;
6112                         else if(p[2] >= 'A' && p[2] <= 'F')
6113                                 lo = p[2] - 'A' + 10;
6114                         else
6115                                 goto nohex;
6116                         if(hi != 0 || lo != 0) // don't unescape NUL bytes
6117                                 *q++ = (char) (hi * 0x10 + lo);
6118                         p += 3;
6119                         continue;
6120                 }
6121
6122 nohex:
6123                 // otherwise:
6124                 *q++ = *p++;
6125         }
6126         *q++ = 0;
6127
6128         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, dest);
6129 }
6130
6131 // #502 string(string filename) whichpack (DP_QC_WHICHPACK)
6132 // returns the name of the pack containing a file, or "" if it is not in any pack (but local or non-existant)
6133 void VM_whichpack (prvm_prog_t *prog)
6134 {
6135         const char *fn, *pack;
6136
6137         VM_SAFEPARMCOUNT(1, VM_whichpack);
6138         fn = PRVM_G_STRING(OFS_PARM0);
6139         pack = FS_WhichPack(fn);
6140
6141         PRVM_G_INT(OFS_RETURN) = pack ? PRVM_SetTempString(prog, pack) : 0;
6142 }
6143
6144 typedef struct
6145 {
6146         prvm_prog_t *prog;
6147         double starttime;
6148         float id;
6149         char buffer[MAX_INPUTLINE];
6150         char posttype[128];
6151         unsigned char *postdata; // free when uri_to_prog_t is freed
6152         size_t postlen;
6153         char *sigdata; // free when uri_to_prog_t is freed
6154         size_t siglen;
6155 }
6156 uri_to_prog_t;
6157
6158 static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
6159 {
6160         prvm_prog_t *prog;
6161         uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
6162
6163         prog = handle->prog;
6164         if(!prog->loaded)
6165         {
6166                 // curl reply came too late... so just drop it
6167                 if(handle->postdata)
6168                         Z_Free(handle->postdata);
6169                 if(handle->sigdata)
6170                         Z_Free(handle->sigdata);
6171                 Z_Free(handle);
6172                 return;
6173         }
6174
6175         if((prog->starttime == handle->starttime) && (PRVM_allfunction(URI_Get_Callback)))
6176         {
6177                 if(length_received >= sizeof(handle->buffer))
6178                         length_received = sizeof(handle->buffer) - 1;
6179                 handle->buffer[length_received] = 0;
6180
6181                 PRVM_G_FLOAT(OFS_PARM0) = handle->id;
6182                 PRVM_G_FLOAT(OFS_PARM1) = status;
6183                 PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, handle->buffer);
6184                 prog->ExecuteProgram(prog, PRVM_allfunction(URI_Get_Callback), "QC function URI_Get_Callback is missing");
6185         }
6186
6187         if(handle->postdata)
6188                 Z_Free(handle->postdata);
6189         if(handle->sigdata)
6190                 Z_Free(handle->sigdata);
6191         Z_Free(handle);
6192 }
6193
6194 // 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
6195 // 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
6196 void VM_uri_get (prvm_prog_t *prog)
6197 {
6198         const char *url;
6199         float id;
6200         qboolean ret;
6201         uri_to_prog_t *handle;
6202         const char *posttype = NULL;
6203         const char *postseparator = NULL;
6204         int poststringbuffer = -1;
6205         int postkeyid = -1;
6206         const char *query_string = NULL;
6207         size_t lq;
6208
6209         if(!PRVM_allfunction(URI_Get_Callback))
6210                 prog->error_cmd("uri_get called by %s without URI_Get_Callback defined", prog->name);
6211
6212         VM_SAFEPARMCOUNTRANGE(2, 6, VM_uri_get);
6213
6214         url = PRVM_G_STRING(OFS_PARM0);
6215         id = PRVM_G_FLOAT(OFS_PARM1);
6216         if(prog->argc >= 3)
6217                 posttype = PRVM_G_STRING(OFS_PARM2);
6218         if(prog->argc >= 4)
6219                 postseparator = PRVM_G_STRING(OFS_PARM3);
6220         if(prog->argc >= 5)
6221                 poststringbuffer = PRVM_G_FLOAT(OFS_PARM4);
6222         if(prog->argc >= 6)
6223                 postkeyid = PRVM_G_FLOAT(OFS_PARM5);
6224         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!
6225
6226         query_string = strchr(url, '?');
6227         if(query_string)
6228                 ++query_string;
6229         lq = query_string ? strlen(query_string) : 0;
6230
6231         handle->prog = prog;
6232         handle->starttime = prog->starttime;
6233         handle->id = id;
6234         if(postseparator && posttype && *posttype)
6235         {
6236                 size_t l = strlen(postseparator);
6237                 if(poststringbuffer >= 0)
6238                 {
6239                         size_t ltotal;
6240                         int i;
6241                         // "implode"
6242                         prvm_stringbuffer_t *stringbuffer;
6243                         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, poststringbuffer);
6244                         if(!stringbuffer)
6245                         {
6246                                 VM_Warning(prog, "uri_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
6247                                 return;
6248                         }
6249                         ltotal = 0;
6250                         for(i = 0;i < stringbuffer->num_strings;i++)
6251                         {
6252                                 if(i > 0)
6253                                         ltotal += l;
6254                                 if(stringbuffer->strings[i])
6255                                         ltotal += strlen(stringbuffer->strings[i]);
6256                         }
6257                         handle->postdata = (unsigned char *)Z_Malloc(ltotal + 1 + lq);
6258                         handle->postlen = ltotal;
6259                         ltotal = 0;
6260                         for(i = 0;i < stringbuffer->num_strings;i++)
6261                         {
6262                                 if(i > 0)
6263                                 {
6264                                         memcpy(handle->postdata + ltotal, postseparator, l);
6265                                         ltotal += l;
6266                                 }
6267                                 if(stringbuffer->strings[i])
6268                                 {
6269                                         memcpy(handle->postdata + ltotal, stringbuffer->strings[i], strlen(stringbuffer->strings[i]));
6270                                         ltotal += strlen(stringbuffer->strings[i]);
6271                                 }
6272                         }
6273                         if(ltotal != handle->postlen)
6274                                 prog->error_cmd("%s: string buffer content size mismatch, possible overrun", prog->name);
6275                 }
6276                 else
6277                 {
6278                         handle->postdata = (unsigned char *)Z_Malloc(l + 1 + lq);
6279                         handle->postlen = l;
6280                         memcpy(handle->postdata, postseparator, l);
6281                 }
6282                 handle->postdata[handle->postlen] = 0;
6283                 if(query_string)
6284                         memcpy(handle->postdata + handle->postlen + 1, query_string, lq);
6285                 if(postkeyid >= 0)
6286                 {
6287                         // POST: we sign postdata \0 query string
6288                         size_t ll;
6289                         handle->sigdata = (char *)Z_Malloc(8192);
6290                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6291                         l = strlen(handle->sigdata);
6292                         handle->siglen = Crypto_SignDataDetached(handle->postdata, handle->postlen + 1 + lq, postkeyid, handle->sigdata + l, 8192 - l);
6293                         if(!handle->siglen)
6294                         {
6295                                 Z_Free(handle->sigdata);
6296                                 handle->sigdata = NULL;
6297                                 goto out1;
6298                         }
6299                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6300                         if(!ll)
6301                         {
6302                                 Z_Free(handle->sigdata);
6303                                 handle->sigdata = NULL;
6304                                 goto out1;
6305                         }
6306                         handle->siglen = l + ll;
6307                         handle->sigdata[handle->siglen] = 0;
6308                 }
6309 out1:
6310                 strlcpy(handle->posttype, posttype, sizeof(handle->posttype));
6311                 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);
6312         }
6313         else
6314         {
6315                 if(postkeyid >= 0 && query_string)
6316                 {
6317                         // GET: we sign JUST the query string
6318                         size_t l, ll;
6319                         handle->sigdata = (char *)Z_Malloc(8192);
6320                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6321                         l = strlen(handle->sigdata);
6322                         handle->siglen = Crypto_SignDataDetached(query_string, lq, postkeyid, handle->sigdata + l, 8192 - l);
6323                         if(!handle->siglen)
6324                         {
6325                                 Z_Free(handle->sigdata);
6326                                 handle->sigdata = NULL;
6327                                 goto out2;
6328                         }
6329                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6330                         if(!ll)
6331                         {
6332                                 Z_Free(handle->sigdata);
6333                                 handle->sigdata = NULL;
6334                                 goto out2;
6335                         }
6336                         handle->siglen = l + ll;
6337                         handle->sigdata[handle->siglen] = 0;
6338                 }
6339 out2:
6340                 handle->postdata = NULL;
6341                 handle->postlen = 0;
6342                 ret = Curl_Begin_ToMemory_POST(url, handle->sigdata, 0, NULL, NULL, 0, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
6343         }
6344         if(ret)
6345         {
6346                 PRVM_G_INT(OFS_RETURN) = 1;
6347         }
6348         else
6349         {
6350                 if(handle->postdata)
6351                         Z_Free(handle->postdata);
6352                 if(handle->sigdata)
6353                         Z_Free(handle->sigdata);
6354                 Z_Free(handle);
6355                 PRVM_G_INT(OFS_RETURN) = 0;
6356         }
6357 }
6358
6359 void VM_netaddress_resolve (prvm_prog_t *prog)
6360 {
6361         const char *ip;
6362         char normalized[128];
6363         int port;
6364         lhnetaddress_t addr;
6365
6366         VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
6367
6368         ip = PRVM_G_STRING(OFS_PARM0);
6369         port = 0;
6370         if(prog->argc > 1)
6371                 port = (int) PRVM_G_FLOAT(OFS_PARM1);
6372
6373         if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
6374                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, normalized);
6375         else
6376                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
6377 }
6378
6379 //string(prvm_prog_t *prog) getextresponse = #624; // returns the next extResponse packet that was sent to this client
6380 void VM_CL_getextresponse (prvm_prog_t *prog)
6381 {
6382         VM_SAFEPARMCOUNT(0,VM_argv);
6383
6384         if (cl_net_extresponse_count <= 0)
6385                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6386         else
6387         {
6388                 int first;
6389                 --cl_net_extresponse_count;
6390                 first = (cl_net_extresponse_last + NET_EXTRESPONSE_MAX - cl_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6391                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, cl_net_extresponse[first]);
6392         }
6393 }
6394
6395 void VM_SV_getextresponse (prvm_prog_t *prog)
6396 {
6397         VM_SAFEPARMCOUNT(0,VM_argv);
6398
6399         if (sv_net_extresponse_count <= 0)
6400                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6401         else
6402         {
6403                 int first;
6404                 --sv_net_extresponse_count;
6405                 first = (sv_net_extresponse_last + NET_EXTRESPONSE_MAX - sv_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6406                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, sv_net_extresponse[first]);
6407         }
6408 }
6409
6410 /*
6411 =========
6412 Common functions between menu.dat and clsprogs
6413 =========
6414 */
6415
6416 //#349 float() isdemo
6417 void VM_CL_isdemo (prvm_prog_t *prog)
6418 {
6419         VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
6420         PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
6421 }
6422
6423 //#355 float() videoplaying
6424 void VM_CL_videoplaying (prvm_prog_t *prog)
6425 {
6426         VM_SAFEPARMCOUNT(0, VM_CL_videoplaying);
6427         PRVM_G_FLOAT(OFS_RETURN) = cl_videoplaying;
6428 }
6429
6430 /*
6431 =========
6432 VM_M_callfunction
6433
6434         callfunction(...,string function_name)
6435 Extension: pass
6436 =========
6437 */
6438 void VM_callfunction(prvm_prog_t *prog)
6439 {
6440         mfunction_t *func;
6441         const char *s;
6442
6443         VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
6444
6445         s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
6446
6447         VM_CheckEmptyString(prog, s);
6448
6449         func = PRVM_ED_FindFunction(prog, s);
6450
6451         if(!func)
6452                 prog->error_cmd("VM_callfunciton: function %s not found !", s);
6453         else if (func->first_statement < 0)
6454         {
6455                 // negative statements are built in functions
6456                 int builtinnumber = -func->first_statement;
6457                 prog->xfunction->builtinsprofile++;
6458                 if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
6459                         prog->builtins[builtinnumber](prog);
6460                 else
6461                         prog->error_cmd("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, prog->name);
6462         }
6463         else if(func - prog->functions > 0)
6464         {
6465                 prog->argc--;
6466                 prog->ExecuteProgram(prog, func - prog->functions,"");
6467                 prog->argc++;
6468         }
6469 }
6470
6471 /*
6472 =========
6473 VM_isfunction
6474
6475 float   isfunction(string function_name)
6476 =========
6477 */
6478 void VM_isfunction(prvm_prog_t *prog)
6479 {
6480         mfunction_t *func;
6481         const char *s;
6482
6483         VM_SAFEPARMCOUNT(1, VM_isfunction);
6484
6485         s = PRVM_G_STRING(OFS_PARM0);
6486
6487         VM_CheckEmptyString(prog, s);
6488
6489         func = PRVM_ED_FindFunction(prog, s);
6490
6491         if(!func)
6492                 PRVM_G_FLOAT(OFS_RETURN) = false;
6493         else
6494                 PRVM_G_FLOAT(OFS_RETURN) = true;
6495 }
6496
6497 /*
6498 =========
6499 VM_sprintf
6500
6501 string sprintf(string format, ...)
6502 =========
6503 */
6504
6505 void VM_sprintf(prvm_prog_t *prog)
6506 {
6507         const char *s, *s0;
6508         char outbuf[MAX_INPUTLINE];
6509         char *o = outbuf, *end = outbuf + sizeof(outbuf), *err;
6510         const char *p;
6511         int argpos = 1;
6512         int width, precision, thisarg, flags;
6513         char formatbuf[16];
6514         char *f;
6515         int isfloat;
6516         static prvm_int_t dummyivec[3] = {0, 0, 0};
6517         static prvm_vec_t dummyvec[3] = {0, 0, 0};
6518         char vabuf[1024];
6519
6520 #define PRINTF_ALTERNATE 1
6521 #define PRINTF_ZEROPAD 2
6522 #define PRINTF_LEFT 4
6523 #define PRINTF_SPACEPOSITIVE 8
6524 #define PRINTF_SIGNPOSITIVE 16
6525
6526         formatbuf[0] = '%';
6527
6528         s = PRVM_G_STRING(OFS_PARM0);
6529
6530 #define GETARG_FLOAT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_FLOAT(OFS_PARM0 + 3 * (a))) : 0)
6531 #define GETARG_VECTOR(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyvec)
6532 #define GETARG_INT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_INT(OFS_PARM0 + 3 * (a))) : 0)
6533 #define GETARG_INTVECTOR(a) (((a)>=1 && (a)<prog->argc) ? ((prvm_int_t*) PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyivec)
6534 #define GETARG_STRING(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_STRING(OFS_PARM0 + 3 * (a))) : "")
6535
6536         for(;;)
6537         {
6538                 s0 = s;
6539                 switch(*s)
6540                 {
6541                         case 0:
6542                                 goto finished;
6543                         case '%':
6544                                 ++s;
6545
6546                                 if(*s == '%')
6547                                         goto verbatim;
6548
6549                                 // complete directive format:
6550                                 // %3$*1$.*2$ld
6551
6552                                 width = -1;
6553                                 precision = -1;
6554                                 thisarg = -1;
6555                                 flags = 0;
6556                                 isfloat = -1;
6557
6558                                 // is number following?
6559                                 if(*s >= '0' && *s <= '9')
6560                                 {
6561                                         width = strtol(s, &err, 10);
6562                                         if(!err)
6563                                         {
6564                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6565                                                 goto finished;
6566                                         }
6567                                         if(*err == '$')
6568                                         {
6569                                                 thisarg = width;
6570                                                 width = -1;
6571                                                 s = err + 1;
6572                                         }
6573                                         else
6574                                         {
6575                                                 if(*s == '0')
6576                                                 {
6577                                                         flags |= PRINTF_ZEROPAD;
6578                                                         if(width == 0)
6579                                                                 width = -1; // it was just a flag
6580                                                 }
6581                                                 s = err;
6582                                         }
6583                                 }
6584
6585                                 if(width < 0)
6586                                 {
6587                                         for(;;)
6588                                         {
6589                                                 switch(*s)
6590                                                 {
6591                                                         case '#': flags |= PRINTF_ALTERNATE; break;
6592                                                         case '0': flags |= PRINTF_ZEROPAD; break;
6593                                                         case '-': flags |= PRINTF_LEFT; break;
6594                                                         case ' ': flags |= PRINTF_SPACEPOSITIVE; break;
6595                                                         case '+': flags |= PRINTF_SIGNPOSITIVE; break;
6596                                                         default:
6597                                                                 goto noflags;
6598                                                 }
6599                                                 ++s;
6600                                         }
6601 noflags:
6602                                         if(*s == '*')
6603                                         {
6604                                                 ++s;
6605                                                 if(*s >= '0' && *s <= '9')
6606                                                 {
6607                                                         width = strtol(s, &err, 10);
6608                                                         if(!err || *err != '$')
6609                                                         {
6610                                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6611                                                                 goto finished;
6612                                                         }
6613                                                         s = err + 1;
6614                                                 }
6615                                                 else
6616                                                         width = argpos++;
6617                                                 width = GETARG_FLOAT(width);
6618                                                 if(width < 0)
6619                                                 {
6620                                                         flags |= PRINTF_LEFT;
6621                                                         width = -width;
6622                                                 }
6623                                         }
6624                                         else if(*s >= '0' && *s <= '9')
6625                                         {
6626                                                 width = strtol(s, &err, 10);
6627                                                 if(!err)
6628                                                 {
6629                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6630                                                         goto finished;
6631                                                 }
6632                                                 s = err;
6633                                                 if(width < 0)
6634                                                 {
6635                                                         flags |= PRINTF_LEFT;
6636                                                         width = -width;
6637                                                 }
6638                                         }
6639                                         // otherwise width stays -1
6640                                 }
6641
6642                                 if(*s == '.')
6643                                 {
6644                                         ++s;
6645                                         if(*s == '*')
6646                                         {
6647                                                 ++s;
6648                                                 if(*s >= '0' && *s <= '9')
6649                                                 {
6650                                                         precision = strtol(s, &err, 10);
6651                                                         if(!err || *err != '$')
6652                                                         {
6653                                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6654                                                                 goto finished;
6655                                                         }
6656                                                         s = err + 1;
6657                                                 }
6658                                                 else
6659                                                         precision = argpos++;
6660                                                 precision = GETARG_FLOAT(precision);
6661                                         }
6662                                         else if(*s >= '0' && *s <= '9')
6663                                         {
6664                                                 precision = strtol(s, &err, 10);
6665                                                 if(!err)
6666                                                 {
6667                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6668                                                         goto finished;
6669                                                 }
6670                                                 s = err;
6671                                         }
6672                                         else
6673                                         {
6674                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6675                                                 goto finished;
6676                                         }
6677                                 }
6678
6679                                 for(;;)
6680                                 {
6681                                         switch(*s)
6682                                         {
6683                                                 case 'h': isfloat = 1; break;
6684                                                 case 'l': isfloat = 0; break;
6685                                                 case 'L': isfloat = 0; break;
6686                                                 case 'j': break;
6687                                                 case 'z': break;
6688                                                 case 't': break;
6689                                                 default:
6690                                                         goto nolength;
6691                                         }
6692                                         ++s;
6693                                 }
6694 nolength:
6695
6696                                 // now s points to the final directive char and is no longer changed
6697                                 if(isfloat < 0)
6698                                 {
6699                                         if(*s == 'i')
6700                                                 isfloat = 0;
6701                                         else
6702                                                 isfloat = 1;
6703                                 }
6704
6705                                 if(thisarg < 0)
6706                                         thisarg = argpos++;
6707
6708                                 if(o < end - 1)
6709                                 {
6710                                         f = &formatbuf[1];
6711                                         if(*s != 's' && *s != 'c')
6712                                                 if(flags & PRINTF_ALTERNATE) *f++ = '#';
6713                                         if(flags & PRINTF_ZEROPAD) *f++ = '0';
6714                                         if(flags & PRINTF_LEFT) *f++ = '-';
6715                                         if(flags & PRINTF_SPACEPOSITIVE) *f++ = ' ';
6716                                         if(flags & PRINTF_SIGNPOSITIVE) *f++ = '+';
6717                                         *f++ = '*';
6718                                         if(precision >= 0)
6719                                         {
6720                                                 *f++ = '.';
6721                                                 *f++ = '*';
6722                                         }
6723                                         if(*s == 'd' || *s == 'i' || *s == 'o' || *s == 'u' || *s == 'x' || *s == 'X')
6724                                         {
6725                                                 // make it use a good integer type
6726                                                 for(p = INT_LOSSLESS_FORMAT_SIZE; *p; )
6727                                                         *f++ = *p++;
6728                                         }
6729                                         *f++ = *s;
6730                                         *f++ = 0;
6731
6732                                         if(width < 0) // not set
6733                                                 width = 0;
6734
6735                                         switch(*s)
6736                                         {
6737                                                 case 'd': case 'i':
6738                                                         if(precision < 0) // not set
6739                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? INT_LOSSLESS_FORMAT_CONVERT_S(GETARG_FLOAT(thisarg)) : INT_LOSSLESS_FORMAT_CONVERT_S(GETARG_INT(thisarg))));
6740                                                         else
6741                                                                 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))));
6742                                                         break;
6743                                                 case 'o': case 'u': case 'x': case 'X':
6744                                                         if(precision < 0) // not set
6745                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? INT_LOSSLESS_FORMAT_CONVERT_U(GETARG_FLOAT(thisarg)) : INT_LOSSLESS_FORMAT_CONVERT_U(GETARG_INT(thisarg))));
6746                                                         else
6747                                                                 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))));
6748                                                         break;
6749                                                 case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
6750                                                         if(precision < 0) // not set
6751                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6752                                                         else
6753                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6754                                                         break;
6755                                                 case 'v': case 'V':
6756                                                         f[-2] += 'g' - 'v';
6757                                                         if(precision < 0) // not set
6758                                                                 o += dpsnprintf(o, end - o, va(vabuf, sizeof(vabuf), "%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6759                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6760                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6761                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6762                                                                 );
6763                                                         else
6764                                                                 o += dpsnprintf(o, end - o, va(vabuf, sizeof(vabuf), "%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6765                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6766                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6767                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6768                                                                 );
6769                                                         break;
6770                                                 case 'c':
6771                                                         if(flags & PRINTF_ALTERNATE)
6772                                                         {
6773                                                                 if(precision < 0) // not set
6774                                                                         o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6775                                                                 else
6776                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6777                                                         }
6778                                                         else
6779                                                         {
6780                                                                 unsigned int c = (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg));
6781                                                                 char charbuf16[16];
6782                                                                 const char *buf = u8_encodech(c, NULL, charbuf16);
6783                                                                 if(!buf)
6784                                                                         buf = "";
6785                                                                 if(precision < 0) // not set
6786                                                                         precision = end - o - 1;
6787                                                                 o += u8_strpad(o, end - o, buf, (flags & PRINTF_LEFT) != 0, width, precision);
6788                                                         }
6789                                                         break;
6790                                                 case 's':
6791                                                         if(flags & PRINTF_ALTERNATE)
6792                                                         {
6793                                                                 if(precision < 0) // not set
6794                                                                         o += dpsnprintf(o, end - o, formatbuf, width, GETARG_STRING(thisarg));
6795                                                                 else
6796                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, GETARG_STRING(thisarg));
6797                                                         }
6798                                                         else
6799                                                         {
6800                                                                 if(precision < 0) // not set
6801                                                                         precision = end - o - 1;
6802                                                                 if(flags & PRINTF_SIGNPOSITIVE)
6803                                                                         o += u8_strpad(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6804                                                                 else
6805                                                                         o += u8_strpad_colorcodes(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6806                                                         }
6807                                                         break;
6808                                                 default:
6809                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6810                                                         goto finished;
6811                                         }
6812                                 }
6813                                 ++s;
6814                                 break;
6815                         default:
6816 verbatim:
6817                                 if(o < end - 1)
6818                                         *o++ = *s;
6819                                 ++s;
6820                                 break;
6821                 }
6822         }
6823 finished:
6824         *o = 0;
6825         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, outbuf);
6826 }
6827
6828
6829 // surface querying
6830
6831 static dp_model_t *getmodel(prvm_prog_t *prog, prvm_edict_t *ed)
6832 {
6833         if (prog == SVVM_prog)
6834                 return SV_GetModelFromEdict(ed);
6835         else if (prog == CLVM_prog)
6836                 return CL_GetModelFromEdict(ed);
6837         else
6838                 return NULL;
6839 }
6840
6841 struct animatemodel_cache
6842 {
6843         dp_model_t *model;
6844         frameblend_t frameblend[MAX_FRAMEBLENDS];
6845         skeleton_t *skeleton_p;
6846         skeleton_t skeleton;
6847         float *data_vertex3f;
6848         float *data_svector3f;
6849         float *data_tvector3f;
6850         float *data_normal3f;
6851         int max_vertices;
6852         float *buf_vertex3f;
6853         float *buf_svector3f;
6854         float *buf_tvector3f;
6855         float *buf_normal3f;
6856 };
6857
6858 static void animatemodel_reset(prvm_prog_t *prog)
6859 {
6860         if (!prog->animatemodel_cache)
6861                 return;
6862         if(prog->animatemodel_cache->buf_vertex3f) Mem_Free(prog->animatemodel_cache->buf_vertex3f);
6863         if(prog->animatemodel_cache->buf_svector3f) Mem_Free(prog->animatemodel_cache->buf_svector3f);
6864         if(prog->animatemodel_cache->buf_tvector3f) Mem_Free(prog->animatemodel_cache->buf_tvector3f);
6865         if(prog->animatemodel_cache->buf_normal3f) Mem_Free(prog->animatemodel_cache->buf_normal3f);
6866         Mem_Free(prog->animatemodel_cache);
6867 }
6868
6869 static void animatemodel(prvm_prog_t *prog, dp_model_t *model, prvm_edict_t *ed)
6870 {
6871         skeleton_t *skeleton;
6872         int skeletonindex = -1;
6873         qboolean need = false;
6874         struct animatemodel_cache *animatemodel_cache;
6875         if (!prog->animatemodel_cache)
6876         {
6877                 prog->animatemodel_cache = (struct animatemodel_cache *)Mem_Alloc(prog->progs_mempool, sizeof(struct animatemodel_cache));
6878                 memset(prog->animatemodel_cache, 0, sizeof(struct animatemodel_cache));
6879         }
6880         animatemodel_cache = prog->animatemodel_cache;
6881         if(!(model->surfmesh.isanimated && model->AnimateVertices))
6882         {
6883                 animatemodel_cache->data_vertex3f = model->surfmesh.data_vertex3f;
6884                 animatemodel_cache->data_svector3f = model->surfmesh.data_svector3f;
6885                 animatemodel_cache->data_tvector3f = model->surfmesh.data_tvector3f;
6886                 animatemodel_cache->data_normal3f = model->surfmesh.data_normal3f;
6887                 return;
6888         }
6889         need |= (animatemodel_cache->model != model);
6890         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
6891         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, PRVM_serverglobalfloat(time));
6892         need |= (memcmp(&animatemodel_cache->frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend))) != 0;
6893         skeletonindex = (int)PRVM_gameedictfloat(ed, skeletonindex) - 1;
6894         if (!(skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones))
6895                 skeleton = NULL;
6896         need |= (animatemodel_cache->skeleton_p != skeleton);
6897         if(skeleton)
6898                 need |= (memcmp(&animatemodel_cache->skeleton, skeleton, sizeof(ed->priv.server->skeleton))) != 0;
6899         if(!need)
6900                 return;
6901         if(model->surfmesh.num_vertices > animatemodel_cache->max_vertices)
6902         {
6903                 animatemodel_cache->max_vertices = model->surfmesh.num_vertices * 2;
6904                 if(animatemodel_cache->buf_vertex3f) Mem_Free(animatemodel_cache->buf_vertex3f);
6905                 if(animatemodel_cache->buf_svector3f) Mem_Free(animatemodel_cache->buf_svector3f);
6906                 if(animatemodel_cache->buf_tvector3f) Mem_Free(animatemodel_cache->buf_tvector3f);
6907                 if(animatemodel_cache->buf_normal3f) Mem_Free(animatemodel_cache->buf_normal3f);
6908                 animatemodel_cache->buf_vertex3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache->max_vertices);
6909                 animatemodel_cache->buf_svector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache->max_vertices);
6910                 animatemodel_cache->buf_tvector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache->max_vertices);
6911                 animatemodel_cache->buf_normal3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache->max_vertices);
6912         }
6913         animatemodel_cache->data_vertex3f = animatemodel_cache->buf_vertex3f;
6914         animatemodel_cache->data_svector3f = animatemodel_cache->buf_svector3f;
6915         animatemodel_cache->data_tvector3f = animatemodel_cache->buf_tvector3f;
6916         animatemodel_cache->data_normal3f = animatemodel_cache->buf_normal3f;
6917         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
6918         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);
6919         animatemodel_cache->model = model;
6920         memcpy(&animatemodel_cache->frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
6921         animatemodel_cache->skeleton_p = skeleton;
6922         if(skeleton)
6923                 memcpy(&animatemodel_cache->skeleton, skeleton, sizeof(ed->priv.server->skeleton));
6924 }
6925
6926 static void getmatrix(prvm_prog_t *prog, prvm_edict_t *ed, matrix4x4_t *out)
6927 {
6928         if (prog == SVVM_prog)
6929                 SV_GetEntityMatrix(prog, ed, out, false);
6930         else if (prog == CLVM_prog)
6931                 CL_GetEntityMatrix(prog, ed, out, false);
6932         else
6933                 *out = identitymatrix;
6934 }
6935
6936 static void applytransform_forward(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6937 {
6938         matrix4x4_t m;
6939         getmatrix(prog, ed, &m);
6940         Matrix4x4_Transform(&m, in, out);
6941 }
6942
6943 static void applytransform_forward_direction(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6944 {
6945         matrix4x4_t m;
6946         getmatrix(prog, ed, &m);
6947         Matrix4x4_Transform3x3(&m, in, out);
6948 }
6949
6950 static void applytransform_inverted(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6951 {
6952         matrix4x4_t m, n;
6953         getmatrix(prog, ed, &m);
6954         Matrix4x4_Invert_Full(&n, &m);
6955         Matrix4x4_Transform3x3(&n, in, out);
6956 }
6957
6958 static void applytransform_forward_normal(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6959 {
6960         matrix4x4_t m;
6961         float p[4];
6962         getmatrix(prog, ed, &m);
6963         Matrix4x4_TransformPositivePlane(&m, in[0], in[1], in[2], 0, p);
6964         VectorCopy(p, out);
6965 }
6966
6967 static void clippointtosurface(prvm_prog_t *prog, prvm_edict_t *ed, dp_model_t *model, msurface_t *surface, vec3_t p, vec3_t out)
6968 {
6969         int i, j, k;
6970         float *v[3], facenormal[3], edgenormal[3], sidenormal[3], temp[3], offsetdist, dist, bestdist;
6971         const int *e;
6972         animatemodel(prog, model, ed);
6973         bestdist = 1000000000;
6974         VectorCopy(p, out);
6975         for (i = 0, e = (model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);i < surface->num_triangles;i++, e += 3)
6976         {
6977                 // clip original point to each triangle of the surface and find the
6978                 // triangle that is closest
6979                 v[0] = prog->animatemodel_cache->data_vertex3f + e[0] * 3;
6980                 v[1] = prog->animatemodel_cache->data_vertex3f + e[1] * 3;
6981                 v[2] = prog->animatemodel_cache->data_vertex3f + e[2] * 3;
6982                 TriangleNormal(v[0], v[1], v[2], facenormal);
6983                 VectorNormalize(facenormal);
6984                 offsetdist = DotProduct(v[0], facenormal) - DotProduct(p, facenormal);
6985                 VectorMA(p, offsetdist, facenormal, temp);
6986                 for (j = 0, k = 2;j < 3;k = j, j++)
6987                 {
6988                         VectorSubtract(v[k], v[j], edgenormal);
6989                         CrossProduct(edgenormal, facenormal, sidenormal);
6990                         VectorNormalize(sidenormal);
6991                         offsetdist = DotProduct(v[k], sidenormal) - DotProduct(temp, sidenormal);
6992                         if (offsetdist < 0)
6993                                 VectorMA(temp, offsetdist, sidenormal, temp);
6994                 }
6995                 dist = VectorDistance2(temp, p);
6996                 if (bestdist > dist)
6997                 {
6998                         bestdist = dist;
6999                         VectorCopy(temp, out);
7000                 }
7001         }
7002 }
7003
7004 static msurface_t *getsurface(dp_model_t *model, int surfacenum)
7005 {
7006         if (surfacenum < 0 || surfacenum >= model->nummodelsurfaces)
7007                 return NULL;
7008         return model->data_surfaces + surfacenum + model->firstmodelsurface;
7009 }
7010
7011
7012 //PF_getsurfacenumpoints, // #434 float(entity e, float s) getsurfacenumpoints = #434;
7013 void VM_getsurfacenumpoints(prvm_prog_t *prog)
7014 {
7015         dp_model_t *model;
7016         msurface_t *surface;
7017         VM_SAFEPARMCOUNT(2, VM_getsurfacenumpoints);
7018         // return 0 if no such surface
7019         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7020         {
7021                 PRVM_G_FLOAT(OFS_RETURN) = 0;
7022                 return;
7023         }
7024
7025         // note: this (incorrectly) assumes it is a simple polygon
7026         PRVM_G_FLOAT(OFS_RETURN) = surface->num_vertices;
7027 }
7028 //PF_getsurfacepoint,     // #435 vector(entity e, float s, float n) getsurfacepoint = #435;
7029 void VM_getsurfacepoint(prvm_prog_t *prog)
7030 {
7031         prvm_edict_t *ed;
7032         dp_model_t *model;
7033         msurface_t *surface;
7034         int pointnum;
7035         vec3_t result;
7036         VM_SAFEPARMCOUNT(3, VM_getsurfacepoint);
7037         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7038         ed = PRVM_G_EDICT(OFS_PARM0);
7039         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7040                 return;
7041         // note: this (incorrectly) assumes it is a simple polygon
7042         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
7043         if (pointnum < 0 || pointnum >= surface->num_vertices)
7044                 return;
7045         animatemodel(prog, model, ed);
7046         applytransform_forward(prog, &(prog->animatemodel_cache->data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7047         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7048 }
7049 //PF_getsurfacepointattribute,     // #486 vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
7050 // float SPA_POSITION = 0;
7051 // float SPA_S_AXIS = 1;
7052 // float SPA_T_AXIS = 2;
7053 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
7054 // float SPA_TEXCOORDS0 = 4;
7055 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
7056 // float SPA_LIGHTMAP0_COLOR = 6;
7057 void VM_getsurfacepointattribute(prvm_prog_t *prog)
7058 {
7059         prvm_edict_t *ed;
7060         dp_model_t *model;
7061         msurface_t *surface;
7062         int pointnum;
7063         int attributetype;
7064         vec3_t result;
7065
7066         VM_SAFEPARMCOUNT(4, VM_getsurfacepoint);
7067         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7068         ed = PRVM_G_EDICT(OFS_PARM0);
7069         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7070                 return;
7071         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
7072         if (pointnum < 0 || pointnum >= surface->num_vertices)
7073                 return;
7074         attributetype = (int) PRVM_G_FLOAT(OFS_PARM3);
7075
7076         animatemodel(prog, model, ed);
7077
7078         switch( attributetype ) {
7079                 // float SPA_POSITION = 0;
7080                 case 0:
7081                         applytransform_forward(prog, &(prog->animatemodel_cache->data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7082                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7083                         break;
7084                 // float SPA_S_AXIS = 1;
7085                 case 1:
7086                         applytransform_forward_direction(prog, &(prog->animatemodel_cache->data_svector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7087                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7088                         break;
7089                 // float SPA_T_AXIS = 2;
7090                 case 2:
7091                         applytransform_forward_direction(prog, &(prog->animatemodel_cache->data_tvector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7092                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7093                         break;
7094                 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
7095                 case 3:
7096                         applytransform_forward_direction(prog, &(prog->animatemodel_cache->data_normal3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7097                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7098                         break;
7099                 // float SPA_TEXCOORDS0 = 4;
7100                 case 4: {
7101                         float *texcoord = &(model->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[pointnum * 2];
7102                         result[0] = texcoord[0];
7103                         result[1] = texcoord[1];
7104                         result[2] = 0.0f;
7105                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7106                         break;
7107                 }
7108                 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
7109                 case 5: {
7110                         float *texcoord = &(model->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[pointnum * 2];
7111                         result[0] = texcoord[0];
7112                         result[1] = texcoord[1];
7113                         result[2] = 0.0f;
7114                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7115                         break;
7116                 }
7117                 // float SPA_LIGHTMAP0_COLOR = 6;
7118                 case 6:
7119                         // ignore alpha for now..
7120                         VectorCopy( &(model->surfmesh.data_lightmapcolor4f + 4 * surface->num_firstvertex)[pointnum * 4], PRVM_G_VECTOR(OFS_RETURN));
7121                         break;
7122                 default:
7123                         VectorSet( PRVM_G_VECTOR(OFS_RETURN), 0.0f, 0.0f, 0.0f );
7124                         break;
7125         }
7126 }
7127 //PF_getsurfacenormal,    // #436 vector(entity e, float s) getsurfacenormal = #436;
7128 void VM_getsurfacenormal(prvm_prog_t *prog)
7129 {
7130         dp_model_t *model;
7131         msurface_t *surface;
7132         vec3_t normal;
7133         vec3_t result;
7134         VM_SAFEPARMCOUNT(2, VM_getsurfacenormal);
7135         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7136         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7137                 return;
7138         // note: this only returns the first triangle, so it doesn't work very
7139         // well for curved surfaces or arbitrary meshes
7140         animatemodel(prog, model, PRVM_G_EDICT(OFS_PARM0));
7141         TriangleNormal((prog->animatemodel_cache->data_vertex3f + 3 * surface->num_firstvertex), (prog->animatemodel_cache->data_vertex3f + 3 * surface->num_firstvertex) + 3, (prog->animatemodel_cache->data_vertex3f + 3 * surface->num_firstvertex) + 6, normal);
7142         applytransform_forward_normal(prog, normal, PRVM_G_EDICT(OFS_PARM0), result);
7143         VectorNormalize(result);
7144         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7145 }
7146 //PF_getsurfacetexture,   // #437 string(entity e, float s) getsurfacetexture = #437;
7147 void VM_getsurfacetexture(prvm_prog_t *prog)
7148 {
7149         dp_model_t *model;
7150         msurface_t *surface;
7151         VM_SAFEPARMCOUNT(2, VM_getsurfacetexture);
7152         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
7153         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7154                 return;
7155         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, surface->texture->name);
7156 }
7157 //PF_getsurfacenearpoint, // #438 float(entity e, vector p) getsurfacenearpoint = #438;
7158 void VM_getsurfacenearpoint(prvm_prog_t *prog)
7159 {
7160         int surfacenum, best;
7161         vec3_t clipped, p;
7162         vec_t dist, bestdist;
7163         prvm_edict_t *ed;
7164         dp_model_t *model;
7165         msurface_t *surface;
7166         vec3_t point;
7167         VM_SAFEPARMCOUNT(2, VM_getsurfacenearpoint);
7168         PRVM_G_FLOAT(OFS_RETURN) = -1;
7169         ed = PRVM_G_EDICT(OFS_PARM0);
7170         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), point);
7171
7172         if (!ed || ed->priv.server->free)
7173                 return;
7174         model = getmodel(prog, ed);
7175         if (!model || !model->num_surfaces)
7176                 return;
7177
7178         animatemodel(prog, model, ed);
7179
7180         applytransform_inverted(prog, point, ed, p);
7181         best = -1;
7182         bestdist = 1000000000;
7183         for (surfacenum = 0;surfacenum < model->nummodelsurfaces;surfacenum++)
7184         {
7185                 surface = model->data_surfaces + surfacenum + model->firstmodelsurface;
7186                 // first see if the nearest point on the surface's box is closer than the previous match
7187                 clipped[0] = bound(surface->mins[0], p[0], surface->maxs[0]) - p[0];
7188                 clipped[1] = bound(surface->mins[1], p[1], surface->maxs[1]) - p[1];
7189                 clipped[2] = bound(surface->mins[2], p[2], surface->maxs[2]) - p[2];
7190                 dist = VectorLength2(clipped);
7191                 if (dist < bestdist)
7192                 {
7193                         // it is, check the nearest point on the actual geometry
7194                         clippointtosurface(prog, ed, model, surface, p, clipped);
7195                         VectorSubtract(clipped, p, clipped);
7196                         dist += VectorLength2(clipped);
7197                         if (dist < bestdist)
7198                         {
7199                                 // that's closer too, store it as the best match
7200                                 best = surfacenum;
7201                                 bestdist = dist;
7202                         }
7203                 }
7204         }
7205         PRVM_G_FLOAT(OFS_RETURN) = best;
7206 }
7207 //PF_getsurfaceclippedpoint, // #439 vector(entity e, float s, vector p) getsurfaceclippedpoint = #439;
7208 void VM_getsurfaceclippedpoint(prvm_prog_t *prog)
7209 {
7210         prvm_edict_t *ed;
7211         dp_model_t *model;
7212         msurface_t *surface;
7213         vec3_t p, out, inp;
7214         VM_SAFEPARMCOUNT(3, VM_te_getsurfaceclippedpoint);
7215         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7216         ed = PRVM_G_EDICT(OFS_PARM0);
7217         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7218                 return;
7219         animatemodel(prog, model, ed);
7220         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), inp);
7221         applytransform_inverted(prog, inp, ed, p);
7222         clippointtosurface(prog, ed, model, surface, p, out);
7223         VectorAdd(out, PRVM_serveredictvector(ed, origin), PRVM_G_VECTOR(OFS_RETURN));
7224 }
7225
7226 //PF_getsurfacenumtriangles, // #??? float(entity e, float s) getsurfacenumtriangles = #???;
7227 void VM_getsurfacenumtriangles(prvm_prog_t *prog)
7228 {
7229        dp_model_t *model;
7230        msurface_t *surface;
7231        VM_SAFEPARMCOUNT(2, VM_SV_getsurfacenumtriangles);
7232        // return 0 if no such surface
7233        if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7234        {
7235                PRVM_G_FLOAT(OFS_RETURN) = 0;
7236                return;
7237        }
7238
7239        PRVM_G_FLOAT(OFS_RETURN) = surface->num_triangles;
7240 }
7241 //PF_getsurfacetriangle,     // #??? vector(entity e, float s, float n) getsurfacetriangle = #???;
7242 void VM_getsurfacetriangle(prvm_prog_t *prog)
7243 {
7244        const vec3_t d = {-1, -1, -1};
7245        prvm_edict_t *ed;
7246        dp_model_t *model;
7247        msurface_t *surface;
7248        int trinum;
7249        VM_SAFEPARMCOUNT(3, VM_SV_getsurfacetriangle);
7250        VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7251        ed = PRVM_G_EDICT(OFS_PARM0);
7252        if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7253                return;
7254        trinum = (int)PRVM_G_FLOAT(OFS_PARM2);
7255        if (trinum < 0 || trinum >= surface->num_triangles)
7256                return;
7257        // FIXME: implement rotation/scaling
7258        VectorMA(&(model->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[trinum * 3], surface->num_firstvertex, d, PRVM_G_VECTOR(OFS_RETURN));
7259 }
7260
7261 //
7262 // physics builtins
7263 //
7264
7265 #define VM_physics_ApplyCmd(ed,f) if (!ed->priv.server->ode_body) VM_physics_newstackfunction(prog, ed, f); else World_Physics_ApplyCmd(ed, f)
7266
7267 static edict_odefunc_t *VM_physics_newstackfunction(prvm_prog_t *prog, prvm_edict_t *ed, edict_odefunc_t *f)
7268 {
7269         edict_odefunc_t *newfunc, *func;
7270
7271         newfunc = (edict_odefunc_t *)Mem_Alloc(prog->progs_mempool, sizeof(edict_odefunc_t));
7272         memcpy(newfunc, f, sizeof(edict_odefunc_t));
7273         newfunc->next = NULL;
7274         if (!ed->priv.server->ode_func)
7275                 ed->priv.server->ode_func = newfunc;
7276         else
7277         {
7278                 for (func = ed->priv.server->ode_func; func->next; func = func->next);
7279                 func->next = newfunc;
7280         }
7281         return newfunc;
7282 }
7283
7284 // void(entity e, float physics_enabled) physics_enable = #;
7285 void VM_physics_enable(prvm_prog_t *prog)
7286 {
7287         prvm_edict_t *ed;
7288         edict_odefunc_t f;
7289
7290         VM_SAFEPARMCOUNT(2, VM_physics_enable);
7291         ed = PRVM_G_EDICT(OFS_PARM0);
7292         if (!ed)
7293         {
7294                 if (developer.integer > 0)
7295                         VM_Warning(prog, "VM_physics_enable: null entity!\n");
7296                 return;
7297         }
7298         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7299         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7300         {
7301                 VM_Warning(prog, "VM_physics_enable: entity is not MOVETYPE_PHYSICS!\n");
7302                 return;
7303         }
7304         f.type = PRVM_G_FLOAT(OFS_PARM1) == 0 ? ODEFUNC_DISABLE : ODEFUNC_ENABLE;
7305         VM_physics_ApplyCmd(ed, &f);
7306 }
7307
7308 // void(entity e, vector force, vector relative_ofs) physics_addforce = #;
7309 void VM_physics_addforce(prvm_prog_t *prog)
7310 {
7311         prvm_edict_t *ed;
7312         edict_odefunc_t f;
7313
7314         VM_SAFEPARMCOUNT(3, VM_physics_addforce);
7315         ed = PRVM_G_EDICT(OFS_PARM0);
7316         if (!ed)
7317         {
7318                 if (developer.integer > 0)
7319                         VM_Warning(prog, "VM_physics_addforce: null entity!\n");
7320                 return;
7321         }
7322         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7323         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7324         {
7325                 VM_Warning(prog, "VM_physics_addforce: entity is not MOVETYPE_PHYSICS!\n");
7326                 return;
7327         }
7328         f.type = ODEFUNC_FORCE;
7329         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7330         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), f.v2);
7331         VM_physics_ApplyCmd(ed, &f);
7332 }
7333
7334 // void(entity e, vector torque) physics_addtorque = #;
7335 void VM_physics_addtorque(prvm_prog_t *prog)
7336 {
7337         prvm_edict_t *ed;
7338         edict_odefunc_t f;
7339
7340         VM_SAFEPARMCOUNT(2, VM_physics_addtorque);
7341         ed = PRVM_G_EDICT(OFS_PARM0);
7342         if (!ed)
7343         {
7344                 if (developer.integer > 0)
7345                         VM_Warning(prog, "VM_physics_addtorque: null entity!\n");
7346                 return;
7347         }
7348         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7349         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7350         {
7351                 VM_Warning(prog, "VM_physics_addtorque: entity is not MOVETYPE_PHYSICS!\n");
7352                 return;
7353         }
7354         f.type = ODEFUNC_TORQUE;
7355         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7356         VM_physics_ApplyCmd(ed, &f);
7357 }
7358
7359 extern cvar_t prvm_coverage;
7360 void VM_coverage(prvm_prog_t *prog)
7361 {
7362         VM_SAFEPARMCOUNT(0, VM_coverage);
7363         if (prog->explicit_profile[prog->xstatement]++ == 0 && (prvm_coverage.integer & 2))
7364                 PRVM_ExplicitCoverageEvent(prog, prog->xfunction, prog->xstatement);
7365 }