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 float CDAudio_GetPosition(void);
2879 void VM_gettime(prvm_prog_t *prog)
2880 {
2881         int timer_index;
2882
2883         VM_SAFEPARMCOUNTRANGE(0,1,VM_gettime);
2884
2885         if(prog->argc == 0)
2886         {
2887                 PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t) realtime;
2888         }
2889         else
2890         {
2891                 timer_index = (int) PRVM_G_FLOAT(OFS_PARM0);
2892                 switch(timer_index)
2893                 {
2894                         case 0: // GETTIME_FRAMESTART
2895                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2896                                 break;
2897                         case 1: // GETTIME_REALTIME
2898                                 PRVM_G_FLOAT(OFS_RETURN) = Sys_DirtyTime();
2899                                 break;
2900                         case 2: // GETTIME_HIRES
2901                                 PRVM_G_FLOAT(OFS_RETURN) = (Sys_DirtyTime() - host_dirtytime);
2902                                 break;
2903                         case 3: // GETTIME_UPTIME
2904                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2905                                 break;
2906                         case 4: // GETTIME_CDTRACK
2907                                 PRVM_G_FLOAT(OFS_RETURN) = CDAudio_GetPosition();
2908                                 break;
2909                         default:
2910                                 VM_Warning(prog, "VM_gettime: %s: unsupported timer specified, returning realtime\n", prog->name);
2911                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2912                                 break;
2913                 }
2914         }
2915 }
2916
2917 /*
2918 =========
2919 VM_getsoundtime
2920
2921 float   getsoundtime(prvm_prog_t *prog)
2922 =========
2923 */
2924
2925 void VM_getsoundtime (prvm_prog_t *prog)
2926 {
2927         int entnum, entchannel;
2928         VM_SAFEPARMCOUNT(2,VM_getsoundtime);
2929
2930         if (prog == SVVM_prog)
2931                 entnum = PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2932         else if (prog == CLVM_prog)
2933                 entnum = MAX_EDICTS + PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2934         else
2935         {
2936                 VM_Warning(prog, "VM_getsoundtime: %s: not supported on this progs\n", prog->name);
2937                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2938                 return;
2939         }
2940         entchannel = (int)PRVM_G_FLOAT(OFS_PARM1);
2941         entchannel = CHAN_USER2ENGINE(entchannel);
2942         if (!IS_CHAN(entchannel))
2943                 VM_Warning(prog, "VM_getsoundtime: %s: bad channel %i\n", prog->name, entchannel);
2944         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t)S_GetEntChannelPosition(entnum, entchannel);
2945 }
2946
2947 /*
2948 =========
2949 VM_GetSoundLen
2950
2951 string  soundlength (string sample)
2952 =========
2953 */
2954 void VM_soundlength (prvm_prog_t *prog)
2955 {
2956         const char *s;
2957
2958         VM_SAFEPARMCOUNT(1, VM_soundlength);
2959
2960         s = PRVM_G_STRING(OFS_PARM0);
2961         PRVM_G_FLOAT(OFS_RETURN) = S_SoundLength(s);
2962 }
2963
2964 /*
2965 =========
2966 VM_loadfromdata
2967
2968 loadfromdata(string data)
2969 =========
2970 */
2971 void VM_loadfromdata(prvm_prog_t *prog)
2972 {
2973         VM_SAFEPARMCOUNT(1,VM_loadentsfromfile);
2974
2975         PRVM_ED_LoadFromFile(prog, PRVM_G_STRING(OFS_PARM0));
2976 }
2977
2978 /*
2979 ========================
2980 VM_parseentitydata
2981
2982 parseentitydata(entity ent, string data)
2983 ========================
2984 */
2985 void VM_parseentitydata(prvm_prog_t *prog)
2986 {
2987         prvm_edict_t *ent;
2988         const char *data;
2989
2990         VM_SAFEPARMCOUNT(2, VM_parseentitydata);
2991
2992         // get edict and test it
2993         ent = PRVM_G_EDICT(OFS_PARM0);
2994         if (ent->priv.required->free)
2995                 prog->error_cmd("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!", prog->name, PRVM_NUM_FOR_EDICT(ent));
2996
2997         data = PRVM_G_STRING(OFS_PARM1);
2998
2999         // parse the opening brace
3000         if (!COM_ParseToken_Simple(&data, false, false, true) || com_token[0] != '{' )
3001                 prog->error_cmd("VM_parseentitydata: %s: Couldn't parse entity data:\n%s", prog->name, data );
3002
3003         PRVM_ED_ParseEdict (prog, data, ent);
3004 }
3005
3006 /*
3007 =========
3008 VM_loadfromfile
3009
3010 loadfromfile(string file)
3011 =========
3012 */
3013 void VM_loadfromfile(prvm_prog_t *prog)
3014 {
3015         const char *filename;
3016         char *data;
3017
3018         VM_SAFEPARMCOUNT(1,VM_loadfromfile);
3019
3020         filename = PRVM_G_STRING(OFS_PARM0);
3021         if (FS_CheckNastyPath(filename, false))
3022         {
3023                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3024                 VM_Warning(prog, "VM_loadfromfile: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", prog->name, filename);
3025                 return;
3026         }
3027
3028         // not conform with VM_fopen
3029         data = (char *)FS_LoadFile(filename, tempmempool, false, NULL);
3030         if (data == NULL)
3031                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3032
3033         PRVM_ED_LoadFromFile(prog, data);
3034
3035         if(data)
3036                 Mem_Free(data);
3037 }
3038
3039
3040 /*
3041 =========
3042 VM_modulo
3043
3044 float   mod(float val, float m)
3045 =========
3046 */
3047 void VM_modulo(prvm_prog_t *prog)
3048 {
3049         prvm_int_t val, m;
3050         VM_SAFEPARMCOUNT(2,VM_module);
3051
3052         val = (prvm_int_t) PRVM_G_FLOAT(OFS_PARM0);
3053         m       = (prvm_int_t) PRVM_G_FLOAT(OFS_PARM1);
3054
3055         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t) (val % m);
3056 }
3057
3058 static void VM_Search_Init(prvm_prog_t *prog)
3059 {
3060         int i;
3061         for (i = 0;i < PRVM_MAX_OPENSEARCHES;i++)
3062                 prog->opensearches[i] = NULL;
3063 }
3064
3065 static void VM_Search_Reset(prvm_prog_t *prog)
3066 {
3067         int i;
3068         // reset the fssearch list
3069         for(i = 0; i < PRVM_MAX_OPENSEARCHES; i++)
3070         {
3071                 if(prog->opensearches[i])
3072                         FS_FreeSearch(prog->opensearches[i]);
3073                 prog->opensearches[i] = NULL;
3074         }
3075 }
3076
3077 /*
3078 =========
3079 VM_search_begin
3080
3081 float search_begin(string pattern, float caseinsensitive, float quiet)
3082 =========
3083 */
3084 void VM_search_begin(prvm_prog_t *prog)
3085 {
3086         int handle;
3087         const char *pattern;
3088         int caseinsens, quiet;
3089
3090         VM_SAFEPARMCOUNT(3, VM_search_begin);
3091
3092         pattern = PRVM_G_STRING(OFS_PARM0);
3093
3094         VM_CheckEmptyString(prog, pattern);
3095
3096         caseinsens = (int)PRVM_G_FLOAT(OFS_PARM1);
3097         quiet = (int)PRVM_G_FLOAT(OFS_PARM2);
3098
3099         for(handle = 0; handle < PRVM_MAX_OPENSEARCHES; handle++)
3100                 if(!prog->opensearches[handle])
3101                         break;
3102
3103         if(handle >= PRVM_MAX_OPENSEARCHES)
3104         {
3105                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3106                 VM_Warning(prog, "VM_search_begin: %s ran out of search handles (%i)\n", prog->name, PRVM_MAX_OPENSEARCHES);
3107                 return;
3108         }
3109
3110         if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
3111                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3112         else
3113         {
3114                 prog->opensearches_origin[handle] = PRVM_AllocationOrigin(prog);
3115                 PRVM_G_FLOAT(OFS_RETURN) = handle;
3116         }
3117 }
3118
3119 /*
3120 =========
3121 VM_search_end
3122
3123 void    search_end(float handle)
3124 =========
3125 */
3126 void VM_search_end(prvm_prog_t *prog)
3127 {
3128         int handle;
3129         VM_SAFEPARMCOUNT(1, VM_search_end);
3130
3131         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3132
3133         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3134         {
3135                 VM_Warning(prog, "VM_search_end: invalid handle %i used in %s\n", handle, prog->name);
3136                 return;
3137         }
3138         if(prog->opensearches[handle] == NULL)
3139         {
3140                 VM_Warning(prog, "VM_search_end: no such handle %i in %s\n", handle, prog->name);
3141                 return;
3142         }
3143
3144         FS_FreeSearch(prog->opensearches[handle]);
3145         prog->opensearches[handle] = NULL;
3146         if(prog->opensearches_origin[handle])
3147                 PRVM_Free((char *)prog->opensearches_origin[handle]);
3148 }
3149
3150 /*
3151 =========
3152 VM_search_getsize
3153
3154 float   search_getsize(float handle)
3155 =========
3156 */
3157 void VM_search_getsize(prvm_prog_t *prog)
3158 {
3159         int handle;
3160         VM_SAFEPARMCOUNT(1, VM_M_search_getsize);
3161
3162         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3163
3164         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3165         {
3166                 VM_Warning(prog, "VM_search_getsize: invalid handle %i used in %s\n", handle, prog->name);
3167                 return;
3168         }
3169         if(prog->opensearches[handle] == NULL)
3170         {
3171                 VM_Warning(prog, "VM_search_getsize: no such handle %i in %s\n", handle, prog->name);
3172                 return;
3173         }
3174
3175         PRVM_G_FLOAT(OFS_RETURN) = prog->opensearches[handle]->numfilenames;
3176 }
3177
3178 /*
3179 =========
3180 VM_search_getfilename
3181
3182 string  search_getfilename(float handle, float num)
3183 =========
3184 */
3185 void VM_search_getfilename(prvm_prog_t *prog)
3186 {
3187         int handle, filenum;
3188         VM_SAFEPARMCOUNT(2, VM_search_getfilename);
3189
3190         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3191         filenum = (int)PRVM_G_FLOAT(OFS_PARM1);
3192
3193         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3194         {
3195                 VM_Warning(prog, "VM_search_getfilename: invalid handle %i used in %s\n", handle, prog->name);
3196                 return;
3197         }
3198         if(prog->opensearches[handle] == NULL)
3199         {
3200                 VM_Warning(prog, "VM_search_getfilename: no such handle %i in %s\n", handle, prog->name);
3201                 return;
3202         }
3203         if(filenum < 0 || filenum >= prog->opensearches[handle]->numfilenames)
3204         {
3205                 VM_Warning(prog, "VM_search_getfilename: invalid filenum %i in %s\n", filenum, prog->name);
3206                 return;
3207         }
3208
3209         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, prog->opensearches[handle]->filenames[filenum]);
3210 }
3211
3212 /*
3213 =========
3214 VM_chr
3215
3216 string  chr(float ascii)
3217 =========
3218 */
3219 void VM_chr(prvm_prog_t *prog)
3220 {
3221         /*
3222         char tmp[2];
3223         VM_SAFEPARMCOUNT(1, VM_chr);
3224
3225         tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
3226         tmp[1] = 0;
3227
3228         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, tmp);
3229         */
3230
3231         char tmp[8];
3232         int len;
3233         VM_SAFEPARMCOUNT(1, VM_chr);
3234
3235         len = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0), tmp, sizeof(tmp));
3236         tmp[len] = 0;
3237         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, tmp);
3238 }
3239
3240 //=============================================================================
3241 // Draw builtins (client & menu)
3242
3243 /*
3244 =========
3245 VM_iscachedpic
3246
3247 float   iscachedpic(string pic)
3248 =========
3249 */
3250 void VM_iscachedpic(prvm_prog_t *prog)
3251 {
3252         VM_SAFEPARMCOUNT(1,VM_iscachedpic);
3253
3254         // drawq hasnt such a function, thus always return true
3255         PRVM_G_FLOAT(OFS_RETURN) = false;
3256 }
3257
3258 /*
3259 =========
3260 VM_precache_pic
3261
3262 string  precache_pic(string pic)
3263 =========
3264 */
3265 #define PRECACHE_PIC_FROMWAD 1 /* FTEQW, not supported here */
3266 #define PRECACHE_PIC_NOTPERSISTENT 2
3267 //#define PRECACHE_PIC_NOCLAMP 4
3268 #define PRECACHE_PIC_MIPMAP 8
3269 void VM_precache_pic(prvm_prog_t *prog)
3270 {
3271         const char      *s;
3272         int flags = CACHEPICFLAG_FAILONMISSING;
3273
3274         VM_SAFEPARMCOUNTRANGE(1, 2, VM_precache_pic);
3275
3276         s = PRVM_G_STRING(OFS_PARM0);
3277         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
3278         VM_CheckEmptyString(prog, s);
3279
3280         if(prog->argc >= 2)
3281         {
3282                 int f = PRVM_G_FLOAT(OFS_PARM1);
3283                 if(f & PRECACHE_PIC_NOTPERSISTENT)
3284                         flags |= CACHEPICFLAG_NOTPERSISTENT;
3285                 //if(f & PRECACHE_PIC_NOCLAMP)
3286                 //      flags |= CACHEPICFLAG_NOCLAMP;
3287                 if(f & PRECACHE_PIC_MIPMAP)
3288                         flags |= CACHEPICFLAG_MIPMAP;
3289         }
3290
3291         if( !Draw_IsPicLoaded(Draw_CachePic_Flags(s, flags)) )
3292                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
3293 }
3294
3295 /*
3296 =========
3297 VM_freepic
3298
3299 freepic(string s)
3300 =========
3301 */
3302 void VM_freepic(prvm_prog_t *prog)
3303 {
3304         const char *s;
3305
3306         VM_SAFEPARMCOUNT(1,VM_freepic);
3307
3308         s = PRVM_G_STRING(OFS_PARM0);
3309         VM_CheckEmptyString(prog, s);
3310
3311         Draw_FreePic(s);
3312 }
3313
3314 static void getdrawfontscale(prvm_prog_t *prog, float *sx, float *sy)
3315 {
3316         vec3_t v;
3317         *sx = *sy = 1;
3318         VectorCopy(PRVM_drawglobalvector(drawfontscale), v);
3319         if(VectorLength2(v) > 0)
3320         {
3321                 *sx = v[0];
3322                 *sy = v[1];
3323         }
3324 }
3325
3326 static dp_font_t *getdrawfont(prvm_prog_t *prog)
3327 {
3328         int f = (int) PRVM_drawglobalfloat(drawfont);
3329         if(f < 0 || f >= dp_fonts.maxsize)
3330                 return FONT_DEFAULT;
3331         return &dp_fonts.f[f];
3332 }
3333
3334 /*
3335 =========
3336 VM_drawcharacter
3337
3338 float   drawcharacter(vector position, float character, vector scale, vector rgb, float alpha, float flag)
3339 =========
3340 */
3341 void VM_drawcharacter(prvm_prog_t *prog)
3342 {
3343         prvm_vec_t *pos,*scale,*rgb;
3344         char   character;
3345         int flag;
3346         float sx, sy;
3347         VM_SAFEPARMCOUNT(6,VM_drawcharacter);
3348
3349         // polygonbegin without draw2d arg has to guess
3350         prog->polygonbegin_guess2d = true;
3351
3352         character = (char) PRVM_G_FLOAT(OFS_PARM1);
3353         if(character == 0)
3354         {
3355                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3356                 VM_Warning(prog, "VM_drawcharacter: %s passed null character !\n",prog->name);
3357                 return;
3358         }
3359
3360         pos = PRVM_G_VECTOR(OFS_PARM0);
3361         scale = PRVM_G_VECTOR(OFS_PARM2);
3362         rgb = PRVM_G_VECTOR(OFS_PARM3);
3363         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3364
3365         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3366         {
3367                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3368                 VM_Warning(prog, "VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3369                 return;
3370         }
3371
3372         if(pos[2] || scale[2])
3373                 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")));
3374
3375         if(!scale[0] || !scale[1])
3376         {
3377                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3378                 VM_Warning(prog, "VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3379                 return;
3380         }
3381
3382         getdrawfontscale(prog, &sx, &sy);
3383         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));
3384         PRVM_G_FLOAT(OFS_RETURN) = 1;
3385 }
3386
3387 /*
3388 =========
3389 VM_drawstring
3390
3391 float   drawstring(vector position, string text, vector scale, vector rgb, float alpha[, float flag])
3392 =========
3393 */
3394 void VM_drawstring(prvm_prog_t *prog)
3395 {
3396         prvm_vec_t *pos,*scale,*rgb;
3397         const char  *string;
3398         int flag = 0;
3399         float sx, sy;
3400         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawstring);
3401
3402         // polygonbegin without draw2d arg has to guess
3403         prog->polygonbegin_guess2d = true;
3404
3405         string = PRVM_G_STRING(OFS_PARM1);
3406         pos = PRVM_G_VECTOR(OFS_PARM0);
3407         scale = PRVM_G_VECTOR(OFS_PARM2);
3408         rgb = PRVM_G_VECTOR(OFS_PARM3);
3409         if (prog->argc >= 6)
3410                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3411
3412         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3413         {
3414                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3415                 VM_Warning(prog, "VM_drawstring: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3416                 return;
3417         }
3418
3419         if(!scale[0] || !scale[1])
3420         {
3421                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3422                 VM_Warning(prog, "VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3423                 return;
3424         }
3425
3426         if(pos[2] || scale[2])
3427                 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")));
3428
3429         getdrawfontscale(prog, &sx, &sy);
3430         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));
3431         //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);
3432         PRVM_G_FLOAT(OFS_RETURN) = 1;
3433 }
3434
3435 /*
3436 =========
3437 VM_drawcolorcodedstring
3438
3439 float   drawcolorcodedstring(vector position, string text, vector scale, float alpha, float flag)
3440 /
3441 float   drawcolorcodedstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3442 =========
3443 */
3444 void VM_drawcolorcodedstring(prvm_prog_t *prog)
3445 {
3446         prvm_vec_t *pos, *scale;
3447         const char  *string;
3448         int flag;
3449         vec3_t rgb;
3450         float sx, sy, alpha;
3451
3452         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawcolorcodedstring);
3453
3454         // polygonbegin without draw2d arg has to guess
3455         prog->polygonbegin_guess2d = true;
3456
3457         if (prog->argc == 6) // full 6 parms, like normal drawstring
3458         {
3459                 pos = PRVM_G_VECTOR(OFS_PARM0);
3460                 string = PRVM_G_STRING(OFS_PARM1);
3461                 scale = PRVM_G_VECTOR(OFS_PARM2);
3462                 VectorCopy(PRVM_G_VECTOR(OFS_PARM3), rgb);
3463                 alpha = PRVM_G_FLOAT(OFS_PARM4);
3464                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3465         }
3466         else
3467         {
3468                 pos = PRVM_G_VECTOR(OFS_PARM0);
3469                 string = PRVM_G_STRING(OFS_PARM1);
3470                 scale = PRVM_G_VECTOR(OFS_PARM2);
3471                 rgb[0] = 1.0;
3472                 rgb[1] = 1.0;
3473                 rgb[2] = 1.0;
3474                 alpha = PRVM_G_FLOAT(OFS_PARM3);
3475                 flag = (int)PRVM_G_FLOAT(OFS_PARM4);
3476         }
3477
3478         if(flag < DRAWFLAG_NORMAL || flag >= DRAWFLAG_NUMFLAGS)
3479         {
3480                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3481                 VM_Warning(prog, "VM_drawcolorcodedstring: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3482                 return;
3483         }
3484
3485         if(!scale[0] || !scale[1])
3486         {
3487                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3488                 VM_Warning(prog, "VM_drawcolorcodedstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3489                 return;
3490         }
3491
3492         if(pos[2] || scale[2])
3493                 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")));
3494
3495         getdrawfontscale(prog, &sx, &sy);
3496         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));
3497         if (prog->argc == 6) // also return vector of last color
3498                 VectorCopy(DrawQ_Color, PRVM_G_VECTOR(OFS_RETURN));
3499         else
3500                 PRVM_G_FLOAT(OFS_RETURN) = 1;
3501 }
3502 /*
3503 =========
3504 VM_stringwidth
3505
3506 float   stringwidth(string text, float allowColorCodes, float size)
3507 =========
3508 */
3509 void VM_stringwidth(prvm_prog_t *prog)
3510 {
3511         const char  *string;
3512         vec2_t szv;
3513         float mult; // sz is intended font size so we can later add freetype support, mult is font size multiplier in pixels per character cell
3514         int colors;
3515         float sx, sy;
3516         size_t maxlen = 0;
3517         VM_SAFEPARMCOUNTRANGE(2,3,VM_drawstring);
3518
3519         getdrawfontscale(prog, &sx, &sy);
3520         if(prog->argc == 3)
3521         {
3522                 Vector2Copy(PRVM_G_VECTOR(OFS_PARM2), szv);
3523                 mult = 1;
3524         }
3525         else
3526         {
3527                 // we want the width for 8x8 font size, divided by 8
3528                 Vector2Set(szv, 8, 8);
3529                 mult = 0.125;
3530                 // to make sure snapping is turned off, ALWAYS use a nontrivial scale in this case
3531                 if(sx >= 0.9 && sx <= 1.1)
3532                 {
3533                         mult *= 2;
3534                         sx /= 2;
3535                         sy /= 2;
3536                 }
3537         }
3538
3539         string = PRVM_G_STRING(OFS_PARM0);
3540         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3541
3542         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_UntilWidth_TrackColors_Scale(string, &maxlen, szv[0], szv[1], sx, sy, NULL, !colors, getdrawfont(prog), 1000000000) * mult;
3543 /*
3544         if(prog->argc == 3)
3545         {
3546                 mult = sz = PRVM_G_FLOAT(OFS_PARM2);
3547         }
3548         else
3549         {
3550                 sz = 8;
3551                 mult = 1;
3552         }
3553
3554         string = PRVM_G_STRING(OFS_PARM0);
3555         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3556
3557         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth(string, 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
3558 */
3559 }
3560
3561 /*
3562 =========
3563 VM_findfont
3564
3565 float findfont(string s)
3566 =========
3567 */
3568
3569 static float getdrawfontnum(const char *fontname)
3570 {
3571         int i;
3572
3573         for(i = 0; i < dp_fonts.maxsize; ++i)
3574                 if(!strcmp(dp_fonts.f[i].title, fontname))
3575                         return i;
3576         return -1;
3577 }
3578
3579 void VM_findfont(prvm_prog_t *prog)
3580 {
3581         VM_SAFEPARMCOUNT(1,VM_findfont);
3582         PRVM_G_FLOAT(OFS_RETURN) = getdrawfontnum(PRVM_G_STRING(OFS_PARM0));
3583 }
3584
3585 /*
3586 =========
3587 VM_loadfont
3588
3589 float loadfont(string fontname, string fontmaps, string sizes, float slot)
3590 =========
3591 */
3592
3593 void VM_loadfont(prvm_prog_t *prog)
3594 {
3595         const char *fontname, *filelist, *sizes, *c, *cm;
3596         char mainfont[MAX_QPATH];
3597         int i, numsizes;
3598         float sz, scale, voffset;
3599         dp_font_t *f;
3600
3601         VM_SAFEPARMCOUNTRANGE(3,6,VM_loadfont);
3602
3603         fontname = PRVM_G_STRING(OFS_PARM0);
3604         if (!fontname[0])
3605                 fontname = "default";
3606
3607         filelist = PRVM_G_STRING(OFS_PARM1);
3608         if (!filelist[0])
3609                 filelist = "gfx/conchars";
3610
3611         sizes = PRVM_G_STRING(OFS_PARM2);
3612         if (!sizes[0])
3613                 sizes = "10";
3614
3615         // find a font
3616         f = NULL;
3617         if (prog->argc >= 4)
3618         {
3619                 i = PRVM_G_FLOAT(OFS_PARM3);
3620                 if (i >= 0 && i < dp_fonts.maxsize)
3621                 {
3622                         f = &dp_fonts.f[i];
3623                         strlcpy(f->title, fontname, sizeof(f->title)); // replace name
3624                 }
3625         }
3626         if (!f)
3627                 f = FindFont(fontname, true);
3628         if (!f)
3629         {
3630                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3631                 return; // something go wrong
3632         }
3633
3634         memset(f->fallbacks, 0, sizeof(f->fallbacks));
3635         memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
3636
3637         // first font is handled "normally"
3638         c = strchr(filelist, ':');
3639         cm = strchr(filelist, ',');
3640         if(c && (!cm || c < cm))
3641                 f->req_face = atoi(c+1);
3642         else
3643         {
3644                 f->req_face = 0;
3645                 c = cm;
3646         }
3647         if(!c || (c - filelist) > MAX_QPATH)
3648                 strlcpy(mainfont, filelist, sizeof(mainfont));
3649         else
3650         {
3651                 memcpy(mainfont, filelist, c - filelist);
3652                 mainfont[c - filelist] = 0;
3653         }
3654
3655         // handle fallbacks
3656         for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
3657         {
3658                 c = strchr(filelist, ',');
3659                 if(!c)
3660                         break;
3661                 filelist = c + 1;
3662                 if(!*filelist)
3663                         break;
3664                 c = strchr(filelist, ':');
3665                 cm = strchr(filelist, ',');
3666                 if(c && (!cm || c < cm))
3667                         f->fallback_faces[i] = atoi(c+1);
3668                 else
3669                 {
3670                         f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
3671                         c = cm;
3672                 }
3673                 if(!c || (c-filelist) > MAX_QPATH)
3674                 {
3675                         strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
3676                 }
3677                 else
3678                 {
3679                         memcpy(f->fallbacks[i], filelist, c - filelist);
3680                         f->fallbacks[i][c - filelist] = 0;
3681                 }
3682         }
3683
3684         // handle sizes
3685         for(i = 0; i < MAX_FONT_SIZES; ++i)
3686                 f->req_sizes[i] = -1;
3687         for (numsizes = 0,c = sizes;;)
3688         {
3689                 if (!COM_ParseToken_VM_Tokenize(&c, 0))
3690                         break;
3691                 sz = atof(com_token);
3692                 // detect crap size
3693                 if (sz < 0.001f || sz > 1000.0f)
3694                 {
3695                         VM_Warning(prog, "VM_loadfont: crap size %s", com_token);
3696                         continue;
3697                 }
3698                 // check overflow
3699                 if (numsizes == MAX_FONT_SIZES)
3700                 {
3701                         VM_Warning(prog, "VM_loadfont: MAX_FONT_SIZES = %i exceeded", MAX_FONT_SIZES);
3702                         break;
3703                 }
3704                 f->req_sizes[numsizes] = sz;
3705                 numsizes++;
3706         }
3707
3708         // additional scale/hoffset parms
3709         scale = 1;
3710         voffset = 0;
3711         if (prog->argc >= 5)
3712         {
3713                 scale = PRVM_G_FLOAT(OFS_PARM4);
3714                 if (scale <= 0)
3715                         scale = 1;
3716         }
3717         if (prog->argc >= 6)
3718                 voffset = PRVM_G_FLOAT(OFS_PARM5);
3719
3720         // load
3721         LoadFont(true, mainfont, f, scale, voffset);
3722
3723         // return index of loaded font
3724         PRVM_G_FLOAT(OFS_RETURN) = (f - dp_fonts.f);
3725 }
3726
3727 /*
3728 =========
3729 VM_drawpic
3730
3731 float   drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
3732 =========
3733 */
3734 void VM_drawpic(prvm_prog_t *prog)
3735 {
3736         const char *picname;
3737         prvm_vec_t *size, *pos, *rgb;
3738         int flag = 0;
3739
3740         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawpic);
3741
3742         // polygonbegin without draw2d arg has to guess
3743         prog->polygonbegin_guess2d = true;
3744
3745         picname = PRVM_G_STRING(OFS_PARM1);
3746         VM_CheckEmptyString(prog, picname);
3747
3748         // is pic cached ? no function yet for that
3749         if(!1)
3750         {
3751                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3752                 VM_Warning(prog, "VM_drawpic: %s: %s not cached !\n", prog->name, picname);
3753                 return;
3754         }
3755
3756         pos = PRVM_G_VECTOR(OFS_PARM0);
3757         size = PRVM_G_VECTOR(OFS_PARM2);
3758         rgb = PRVM_G_VECTOR(OFS_PARM3);
3759         if (prog->argc >= 6)
3760                 flag = (int) PRVM_G_FLOAT(OFS_PARM5);
3761
3762         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3763         {
3764                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3765                 VM_Warning(prog, "VM_drawpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3766                 return;
3767         }
3768
3769         if(pos[2] || size[2])
3770                 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")));
3771
3772         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);
3773         PRVM_G_FLOAT(OFS_RETURN) = 1;
3774 }
3775 /*
3776 =========
3777 VM_drawrotpic
3778
3779 float   drawrotpic(vector position, string pic, vector size, vector org, float angle, vector rgb, float alpha, float flag)
3780 =========
3781 */
3782 void VM_drawrotpic(prvm_prog_t *prog)
3783 {
3784         const char *picname;
3785         prvm_vec_t *size, *pos, *org, *rgb;
3786         int flag;
3787
3788         VM_SAFEPARMCOUNT(8,VM_drawrotpic);
3789
3790         // polygonbegin without draw2d arg has to guess
3791         prog->polygonbegin_guess2d = true;
3792
3793         picname = PRVM_G_STRING(OFS_PARM1);
3794         VM_CheckEmptyString(prog, picname);
3795
3796         // is pic cached ? no function yet for that
3797         if(!1)
3798         {
3799                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3800                 VM_Warning(prog, "VM_drawrotpic: %s: %s not cached !\n", prog->name, picname);
3801                 return;
3802         }
3803
3804         pos = PRVM_G_VECTOR(OFS_PARM0);
3805         size = PRVM_G_VECTOR(OFS_PARM2);
3806         org = PRVM_G_VECTOR(OFS_PARM3);
3807         rgb = PRVM_G_VECTOR(OFS_PARM5);
3808         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3809
3810         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3811         {
3812                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3813                 VM_Warning(prog, "VM_drawrotpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3814                 return;
3815         }
3816
3817         if(pos[2] || size[2] || org[2])
3818                 VM_Warning(prog, "VM_drawrotpic: z value from pos/size/org discarded\n");
3819
3820         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);
3821         PRVM_G_FLOAT(OFS_RETURN) = 1;
3822 }
3823 /*
3824 =========
3825 VM_drawsubpic
3826
3827 float   drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
3828
3829 =========
3830 */
3831 void VM_drawsubpic(prvm_prog_t *prog)
3832 {
3833         const char *picname;
3834         prvm_vec_t *size, *pos, *rgb, *srcPos, *srcSize, alpha;
3835         int flag;
3836
3837         VM_SAFEPARMCOUNT(8,VM_drawsubpic);
3838
3839         // polygonbegin without draw2d arg has to guess
3840         prog->polygonbegin_guess2d = true;
3841
3842         picname = PRVM_G_STRING(OFS_PARM2);
3843         VM_CheckEmptyString(prog, picname);
3844
3845         // is pic cached ? no function yet for that
3846         if(!1)
3847         {
3848                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3849                 VM_Warning(prog, "VM_drawsubpic: %s: %s not cached !\n", prog->name, picname);
3850                 return;
3851         }
3852
3853         pos = PRVM_G_VECTOR(OFS_PARM0);
3854         size = PRVM_G_VECTOR(OFS_PARM1);
3855         srcPos = PRVM_G_VECTOR(OFS_PARM3);
3856         srcSize = PRVM_G_VECTOR(OFS_PARM4);
3857         rgb = PRVM_G_VECTOR(OFS_PARM5);
3858         alpha = PRVM_G_FLOAT(OFS_PARM6);
3859         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3860
3861         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3862         {
3863                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3864                 VM_Warning(prog, "VM_drawsubpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3865                 return;
3866         }
3867
3868         if(pos[2] || size[2])
3869                 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")));
3870
3871         DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT),
3872                 size[0], size[1],
3873                 srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3874                 srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3875                 srcPos[0],              srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3876                 srcPos[0] + srcSize[0], srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3877                 flag);
3878         PRVM_G_FLOAT(OFS_RETURN) = 1;
3879 }
3880
3881 /*
3882 =========
3883 VM_drawfill
3884
3885 float drawfill(vector position, vector size, vector rgb, float alpha, float flag)
3886 =========
3887 */
3888 void VM_drawfill(prvm_prog_t *prog)
3889 {
3890         prvm_vec_t *size, *pos, *rgb;
3891         int flag;
3892
3893         VM_SAFEPARMCOUNT(5,VM_drawfill);
3894
3895         // polygonbegin without draw2d arg has to guess
3896         prog->polygonbegin_guess2d = true;
3897
3898         pos = PRVM_G_VECTOR(OFS_PARM0);
3899         size = PRVM_G_VECTOR(OFS_PARM1);
3900         rgb = PRVM_G_VECTOR(OFS_PARM2);
3901         flag = (int) PRVM_G_FLOAT(OFS_PARM4);
3902
3903         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3904         {
3905                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3906                 VM_Warning(prog, "VM_drawfill: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3907                 return;
3908         }
3909
3910         if(pos[2] || size[2])
3911                 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")));
3912
3913         DrawQ_Fill(pos[0], pos[1], size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
3914         PRVM_G_FLOAT(OFS_RETURN) = 1;
3915 }
3916
3917 /*
3918 =========
3919 VM_drawsetcliparea
3920
3921 drawsetcliparea(float x, float y, float width, float height)
3922 =========
3923 */
3924 void VM_drawsetcliparea(prvm_prog_t *prog)
3925 {
3926         float x,y,w,h;
3927         VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
3928
3929         // polygonbegin without draw2d arg has to guess
3930         prog->polygonbegin_guess2d = true;
3931
3932         x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
3933         y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
3934         w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
3935         h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
3936
3937         DrawQ_SetClipArea(x, y, w, h);
3938 }
3939
3940 /*
3941 =========
3942 VM_drawresetcliparea
3943
3944 drawresetcliparea()
3945 =========
3946 */
3947 void VM_drawresetcliparea(prvm_prog_t *prog)
3948 {
3949         VM_SAFEPARMCOUNT(0,VM_drawresetcliparea);
3950
3951         // polygonbegin without draw2d arg has to guess
3952         prog->polygonbegin_guess2d = true;
3953
3954         DrawQ_ResetClipArea();
3955 }
3956
3957 /*
3958 =========
3959 VM_getimagesize
3960
3961 vector  getimagesize(string pic)
3962 =========
3963 */
3964 void VM_getimagesize(prvm_prog_t *prog)
3965 {
3966         const char *p;
3967         cachepic_t *pic;
3968
3969         VM_SAFEPARMCOUNT(1,VM_getimagesize);
3970
3971         p = PRVM_G_STRING(OFS_PARM0);
3972         VM_CheckEmptyString(prog, p);
3973
3974         pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
3975         if (!Draw_IsPicLoaded(pic))
3976         {
3977                 PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
3978                 PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
3979         }
3980         else
3981         {
3982                 PRVM_G_VECTOR(OFS_RETURN)[0] = Draw_GetPicWidth(pic);
3983                 PRVM_G_VECTOR(OFS_RETURN)[1] = Draw_GetPicHeight(pic);
3984         }
3985         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
3986 }
3987
3988 /*
3989 =========
3990 VM_keynumtostring
3991
3992 string keynumtostring(float keynum)
3993 =========
3994 */
3995 void VM_keynumtostring (prvm_prog_t *prog)
3996 {
3997         char tinystr[2];
3998         VM_SAFEPARMCOUNT(1, VM_keynumtostring);
3999
4000         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0), tinystr, sizeof(tinystr)));
4001 }
4002
4003 /*
4004 =========
4005 VM_findkeysforcommand
4006
4007 string  findkeysforcommand(string command, float bindmap)
4008
4009 the returned string is an altstring
4010 =========
4011 */
4012 #define FKFC_NUMKEYS 5
4013 void M_FindKeysForCommand(const char *command, int *keys);
4014 void VM_findkeysforcommand(prvm_prog_t *prog)
4015 {
4016         const char *cmd;
4017         char ret[VM_STRINGTEMP_LENGTH];
4018         int keys[FKFC_NUMKEYS];
4019         int i;
4020         int bindmap;
4021         char vabuf[1024];
4022
4023         VM_SAFEPARMCOUNTRANGE(1, 2, VM_findkeysforcommand);
4024
4025         cmd = PRVM_G_STRING(OFS_PARM0);
4026         if(prog->argc == 2)
4027                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4028         else
4029                 bindmap = 0; // consistent to "bind"
4030
4031         VM_CheckEmptyString(prog, cmd);
4032
4033         Key_FindKeysForCommand(cmd, keys, FKFC_NUMKEYS, bindmap);
4034
4035         ret[0] = 0;
4036         for(i = 0; i < FKFC_NUMKEYS; i++)
4037                 strlcat(ret, va(vabuf, sizeof(vabuf), " \'%i\'", keys[i]), sizeof(ret));
4038
4039         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, ret);
4040 }
4041
4042 /*
4043 =========
4044 VM_stringtokeynum
4045
4046 float stringtokeynum(string key)
4047 =========
4048 */
4049 void VM_stringtokeynum (prvm_prog_t *prog)
4050 {
4051         VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
4052
4053         PRVM_G_FLOAT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
4054 }
4055
4056 /*
4057 =========
4058 VM_getkeybind
4059
4060 string getkeybind(float key, float bindmap)
4061 =========
4062 */
4063 void VM_getkeybind (prvm_prog_t *prog)
4064 {
4065         int bindmap;
4066         VM_SAFEPARMCOUNTRANGE(1, 2, VM_CL_getkeybind);
4067         if(prog->argc == 2)
4068                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4069         else
4070                 bindmap = 0; // consistent to "bind"
4071
4072         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0), bindmap));
4073 }
4074
4075 /*
4076 =========
4077 VM_setkeybind
4078
4079 float setkeybind(float key, string cmd, float bindmap)
4080 =========
4081 */
4082 void VM_setkeybind (prvm_prog_t *prog)
4083 {
4084         int bindmap;
4085         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_setkeybind);
4086         if(prog->argc == 3)
4087                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM2), MAX_BINDMAPS-1);
4088         else
4089                 bindmap = 0; // consistent to "bind"
4090
4091         PRVM_G_FLOAT(OFS_RETURN) = 0;
4092         if(Key_SetBinding((int)PRVM_G_FLOAT(OFS_PARM0), bindmap, PRVM_G_STRING(OFS_PARM1)))
4093                 PRVM_G_FLOAT(OFS_RETURN) = 1;
4094 }
4095
4096 /*
4097 =========
4098 VM_getbindmap
4099
4100 vector getbindmaps()
4101 =========
4102 */
4103 void VM_getbindmaps (prvm_prog_t *prog)
4104 {
4105         int fg, bg;
4106         VM_SAFEPARMCOUNT(0, VM_CL_getbindmap);
4107         Key_GetBindMap(&fg, &bg);
4108         PRVM_G_VECTOR(OFS_RETURN)[0] = fg;
4109         PRVM_G_VECTOR(OFS_RETURN)[1] = bg;
4110         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4111 }
4112
4113 /*
4114 =========
4115 VM_setbindmap
4116
4117 float setbindmaps(vector bindmap)
4118 =========
4119 */
4120 void VM_setbindmaps (prvm_prog_t *prog)
4121 {
4122         VM_SAFEPARMCOUNT(1, VM_CL_setbindmap);
4123         PRVM_G_FLOAT(OFS_RETURN) = 0;
4124         if(PRVM_G_VECTOR(OFS_PARM0)[2] == 0)
4125                 if(Key_SetBindMap((int)PRVM_G_VECTOR(OFS_PARM0)[0], (int)PRVM_G_VECTOR(OFS_PARM0)[1]))
4126                         PRVM_G_FLOAT(OFS_RETURN) = 1;
4127 }
4128
4129 // CL_Video interface functions
4130
4131 /*
4132 ========================
4133 VM_cin_open
4134
4135 float cin_open(string file, string name)
4136 ========================
4137 */
4138 void VM_cin_open(prvm_prog_t *prog)
4139 {
4140         const char *file;
4141         const char *name;
4142
4143         VM_SAFEPARMCOUNT( 2, VM_cin_open );
4144
4145         file = PRVM_G_STRING( OFS_PARM0 );
4146         name = PRVM_G_STRING( OFS_PARM1 );
4147
4148         VM_CheckEmptyString(prog,  file );
4149     VM_CheckEmptyString(prog,  name );
4150
4151         if( CL_OpenVideo( file, name, MENUOWNER, "" ) )
4152                 PRVM_G_FLOAT( OFS_RETURN ) = 1;
4153         else
4154                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4155 }
4156
4157 /*
4158 ========================
4159 VM_cin_close
4160
4161 void cin_close(string name)
4162 ========================
4163 */
4164 void VM_cin_close(prvm_prog_t *prog)
4165 {
4166         const char *name;
4167
4168         VM_SAFEPARMCOUNT( 1, VM_cin_close );
4169
4170         name = PRVM_G_STRING( OFS_PARM0 );
4171         VM_CheckEmptyString(prog,  name );
4172
4173         CL_CloseVideo( CL_GetVideoByName( name ) );
4174 }
4175
4176 /*
4177 ========================
4178 VM_cin_setstate
4179 void cin_setstate(string name, float type)
4180 ========================
4181 */
4182 void VM_cin_setstate(prvm_prog_t *prog)
4183 {
4184         const char *name;
4185         clvideostate_t  state;
4186         clvideo_t               *video;
4187
4188         VM_SAFEPARMCOUNT( 2, VM_cin_netstate );
4189
4190         name = PRVM_G_STRING( OFS_PARM0 );
4191         VM_CheckEmptyString(prog,  name );
4192
4193         state = (clvideostate_t)((int)PRVM_G_FLOAT( OFS_PARM1 ));
4194
4195         video = CL_GetVideoByName( name );
4196         if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
4197                 CL_SetVideoState( video, state );
4198 }
4199
4200 /*
4201 ========================
4202 VM_cin_getstate
4203
4204 float cin_getstate(string name)
4205 ========================
4206 */
4207 void VM_cin_getstate(prvm_prog_t *prog)
4208 {
4209         const char *name;
4210         clvideo_t               *video;
4211
4212         VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
4213
4214         name = PRVM_G_STRING( OFS_PARM0 );
4215         VM_CheckEmptyString(prog,  name );
4216
4217         video = CL_GetVideoByName( name );
4218         if( video )
4219                 PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
4220         else
4221                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4222 }
4223
4224 /*
4225 ========================
4226 VM_cin_restart
4227
4228 void cin_restart(string name)
4229 ========================
4230 */
4231 void VM_cin_restart(prvm_prog_t *prog)
4232 {
4233         const char *name;
4234         clvideo_t               *video;
4235
4236         VM_SAFEPARMCOUNT( 1, VM_cin_restart );
4237
4238         name = PRVM_G_STRING( OFS_PARM0 );
4239         VM_CheckEmptyString(prog,  name );
4240
4241         video = CL_GetVideoByName( name );
4242         if( video )
4243                 CL_RestartVideo( video );
4244 }
4245
4246 /*
4247 ========================
4248 VM_gecko_create
4249
4250 float[bool] gecko_create( string name )
4251 ========================
4252 */
4253 void VM_gecko_create(prvm_prog_t *prog) {
4254         // REMOVED
4255         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4256 }
4257
4258 /*
4259 ========================
4260 VM_gecko_destroy
4261
4262 void gecko_destroy( string name )
4263 ========================
4264 */
4265 void VM_gecko_destroy(prvm_prog_t *prog) {
4266         // REMOVED
4267 }
4268
4269 /*
4270 ========================
4271 VM_gecko_navigate
4272
4273 void gecko_navigate( string name, string URI )
4274 ========================
4275 */
4276 void VM_gecko_navigate(prvm_prog_t *prog) {
4277         // REMOVED
4278 }
4279
4280 /*
4281 ========================
4282 VM_gecko_keyevent
4283
4284 float[bool] gecko_keyevent( string name, float key, float eventtype )
4285 ========================
4286 */
4287 void VM_gecko_keyevent(prvm_prog_t *prog) {
4288         // REMOVED
4289         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4290 }
4291
4292 /*
4293 ========================
4294 VM_gecko_movemouse
4295
4296 void gecko_mousemove( string name, float x, float y )
4297 ========================
4298 */
4299 void VM_gecko_movemouse(prvm_prog_t *prog) {
4300         // REMOVED
4301 }
4302
4303
4304 /*
4305 ========================
4306 VM_gecko_resize
4307
4308 void gecko_resize( string name, float w, float h )
4309 ========================
4310 */
4311 void VM_gecko_resize(prvm_prog_t *prog) {
4312         // REMOVED
4313 }
4314
4315
4316 /*
4317 ========================
4318 VM_gecko_get_texture_extent
4319
4320 vector gecko_get_texture_extent( string name )
4321 ========================
4322 */
4323 void VM_gecko_get_texture_extent(prvm_prog_t *prog) {
4324         // REMOVED
4325         PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
4326         PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
4327 }
4328
4329
4330
4331 /*
4332 ==============
4333 VM_makevectors
4334
4335 Writes new values for v_forward, v_up, and v_right based on angles
4336 void makevectors(vector angle)
4337 ==============
4338 */
4339 void VM_makevectors (prvm_prog_t *prog)
4340 {
4341         vec3_t angles, forward, right, up;
4342         VM_SAFEPARMCOUNT(1, VM_makevectors);
4343         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), angles);
4344         AngleVectors(angles, forward, right, up);
4345         VectorCopy(forward, PRVM_gameglobalvector(v_forward));
4346         VectorCopy(right, PRVM_gameglobalvector(v_right));
4347         VectorCopy(up, PRVM_gameglobalvector(v_up));
4348 }
4349
4350 /*
4351 ==============
4352 VM_vectorvectors
4353
4354 Writes new values for v_forward, v_up, and v_right based on the given forward vector
4355 vectorvectors(vector)
4356 ==============
4357 */
4358 void VM_vectorvectors (prvm_prog_t *prog)
4359 {
4360         vec3_t forward, right, up;
4361         VM_SAFEPARMCOUNT(1, VM_vectorvectors);
4362         VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), forward);
4363         VectorVectors(forward, right, up);
4364         VectorCopy(forward, PRVM_gameglobalvector(v_forward));
4365         VectorCopy(right, PRVM_gameglobalvector(v_right));
4366         VectorCopy(up, PRVM_gameglobalvector(v_up));
4367 }
4368
4369 /*
4370 ========================
4371 VM_drawline
4372
4373 void drawline(float width, vector pos1, vector pos2, vector rgb, float alpha, float flags)
4374 ========================
4375 */
4376 void VM_drawline (prvm_prog_t *prog)
4377 {
4378         prvm_vec_t      *c1, *c2, *rgb;
4379         float   alpha, width;
4380         unsigned char   flags;
4381
4382         VM_SAFEPARMCOUNT(6, VM_drawline);
4383
4384         // polygonbegin without draw2d arg has to guess
4385         prog->polygonbegin_guess2d = true;
4386
4387         width   = PRVM_G_FLOAT(OFS_PARM0);
4388         c1              = PRVM_G_VECTOR(OFS_PARM1);
4389         c2              = PRVM_G_VECTOR(OFS_PARM2);
4390         rgb             = PRVM_G_VECTOR(OFS_PARM3);
4391         alpha   = PRVM_G_FLOAT(OFS_PARM4);
4392         flags   = (int)PRVM_G_FLOAT(OFS_PARM5);
4393         DrawQ_Line(width, c1[0], c1[1], c2[0], c2[1], rgb[0], rgb[1], rgb[2], alpha, flags);
4394 }
4395
4396 // float(float number, float quantity) bitshift (EXT_BITSHIFT)
4397 void VM_bitshift (prvm_prog_t *prog)
4398 {
4399         prvm_int_t n1, n2;
4400         VM_SAFEPARMCOUNT(2, VM_bitshift);
4401
4402         n1 = (prvm_int_t)fabs((prvm_vec_t)((prvm_int_t)PRVM_G_FLOAT(OFS_PARM0)));
4403         n2 = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM1);
4404         if(!n1)
4405                 PRVM_G_FLOAT(OFS_RETURN) = n1;
4406         else
4407         if(n2 < 0)
4408                 PRVM_G_FLOAT(OFS_RETURN) = (n1 >> -n2);
4409         else
4410                 PRVM_G_FLOAT(OFS_RETURN) = (n1 << n2);
4411 }
4412
4413 ////////////////////////////////////////
4414 // AltString functions
4415 ////////////////////////////////////////
4416
4417 /*
4418 ========================
4419 VM_altstr_count
4420
4421 float altstr_count(string)
4422 ========================
4423 */
4424 void VM_altstr_count(prvm_prog_t *prog)
4425 {
4426         const char *altstr, *pos;
4427         int     count;
4428
4429         VM_SAFEPARMCOUNT( 1, VM_altstr_count );
4430
4431         altstr = PRVM_G_STRING( OFS_PARM0 );
4432         //VM_CheckEmptyString(prog,  altstr );
4433
4434         for( count = 0, pos = altstr ; *pos ; pos++ ) {
4435                 if( *pos == '\\' ) {
4436                         if( !*++pos ) {
4437                                 break;
4438                         }
4439                 } else if( *pos == '\'' ) {
4440                         count++;
4441                 }
4442         }
4443
4444         PRVM_G_FLOAT( OFS_RETURN ) = (prvm_vec_t) (count / 2);
4445 }
4446
4447 /*
4448 ========================
4449 VM_altstr_prepare
4450
4451 string altstr_prepare(string)
4452 ========================
4453 */
4454 void VM_altstr_prepare(prvm_prog_t *prog)
4455 {
4456         const char *instr, *in;
4457         char outstr[VM_STRINGTEMP_LENGTH];
4458         size_t outpos;
4459
4460         VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
4461
4462         instr = PRVM_G_STRING( OFS_PARM0 );
4463
4464         for (in = instr, outpos = 0; *in && outpos < sizeof(outstr) - 1; ++in)
4465         {
4466                 if (*in == '\'' && outpos < sizeof(outstr) - 2)
4467                 {
4468                         outstr[outpos++] = '\\';
4469                         outstr[outpos++] = '\'';
4470                 }
4471                 else
4472                         outstr[outpos++] = *in;
4473         }
4474         outstr[outpos] = 0;
4475
4476         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4477 }
4478
4479 /*
4480 ========================
4481 VM_altstr_get
4482
4483 string altstr_get(string, float)
4484 ========================
4485 */
4486 void VM_altstr_get(prvm_prog_t *prog)
4487 {
4488         const char *altstr, *pos;
4489         char *out;
4490         int count, size;
4491         char outstr[VM_STRINGTEMP_LENGTH];
4492
4493         VM_SAFEPARMCOUNT( 2, VM_altstr_get );
4494
4495         altstr = PRVM_G_STRING( OFS_PARM0 );
4496
4497         count = (int)PRVM_G_FLOAT( OFS_PARM1 );
4498         count = count * 2 + 1;
4499
4500         for( pos = altstr ; *pos && count ; pos++ )
4501                 if( *pos == '\\' ) {
4502                         if( !*++pos )
4503                                 break;
4504                 } else if( *pos == '\'' )
4505                         count--;
4506
4507         if( !*pos ) {
4508                 PRVM_G_INT( OFS_RETURN ) = 0;
4509                 return;
4510         }
4511
4512         for( out = outstr, size = sizeof(outstr) - 1 ; size && *pos ; size--, pos++, out++ )
4513                 if( *pos == '\\' ) {
4514                         if( !*++pos )
4515                                 break;
4516                         *out = *pos;
4517                         size--;
4518                 } else if( *pos == '\'' )
4519                         break;
4520                 else
4521                         *out = *pos;
4522
4523         *out = 0;
4524         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4525 }
4526
4527 /*
4528 ========================
4529 VM_altstr_set
4530
4531 string altstr_set(string altstr, float num, string set)
4532 ========================
4533 */
4534 void VM_altstr_set(prvm_prog_t *prog)
4535 {
4536     int num;
4537         const char *altstr, *str;
4538         const char *in;
4539         char *out;
4540         char outstr[VM_STRINGTEMP_LENGTH];
4541
4542         VM_SAFEPARMCOUNT( 3, VM_altstr_set );
4543
4544         altstr = PRVM_G_STRING( OFS_PARM0 );
4545
4546         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4547
4548         str = PRVM_G_STRING( OFS_PARM2 );
4549
4550         out = outstr;
4551         for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
4552                 if( *in == '\\' ) {
4553                         if( !*++in ) {
4554                                 break;
4555                         }
4556                 } else if( *in == '\'' ) {
4557                         num--;
4558                 }
4559
4560         // copy set in
4561         for( ; *str; *out++ = *str++ );
4562         // now jump over the old content
4563         for( ; *in ; in++ )
4564                 if( *in == '\'' || (*in == '\\' && !*++in) )
4565                         break;
4566
4567         strlcpy(out, in, outstr + sizeof(outstr) - out);
4568         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4569 }
4570
4571 /*
4572 ========================
4573 VM_altstr_ins
4574 insert after num
4575 string  altstr_ins(string altstr, float num, string set)
4576 ========================
4577 */
4578 void VM_altstr_ins(prvm_prog_t *prog)
4579 {
4580         int num;
4581         const char *set;
4582         const char *in;
4583         char *out;
4584         char outstr[VM_STRINGTEMP_LENGTH];
4585
4586         VM_SAFEPARMCOUNT(3, VM_altstr_ins);
4587
4588         in = PRVM_G_STRING( OFS_PARM0 );
4589         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4590         set = PRVM_G_STRING( OFS_PARM2 );
4591
4592         out = outstr;
4593         for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
4594                 if( *in == '\\' ) {
4595                         if( !*++in ) {
4596                                 break;
4597                         }
4598                 } else if( *in == '\'' ) {
4599                         num--;
4600                 }
4601
4602         *out++ = '\'';
4603         for( ; *set ; *out++ = *set++ );
4604         *out++ = '\'';
4605
4606         strlcpy(out, in, outstr + sizeof(outstr) - out);
4607         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4608 }
4609
4610
4611 ////////////////////////////////////////
4612 // BufString functions
4613 ////////////////////////////////////////
4614 //[515]: string buffers support
4615
4616 static size_t stringbuffers_sortlength;
4617
4618 static void BufStr_Expand(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer, int strindex)
4619 {
4620         if (stringbuffer->max_strings <= strindex)
4621         {
4622                 char **oldstrings = stringbuffer->strings;
4623                 stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
4624                 while (stringbuffer->max_strings <= strindex)
4625                         stringbuffer->max_strings *= 2;
4626                 stringbuffer->strings = (char **) Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
4627                 if (stringbuffer->num_strings > 0)
4628                         memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
4629                 if (oldstrings)
4630                         Mem_Free(oldstrings);
4631         }
4632 }
4633
4634 static void BufStr_Shrink(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer)
4635 {
4636         // reduce num_strings if there are empty string slots at the end
4637         while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
4638                 stringbuffer->num_strings--;
4639
4640         // if empty, free the string pointer array
4641         if (stringbuffer->num_strings == 0)
4642         {
4643                 stringbuffer->max_strings = 0;
4644                 if (stringbuffer->strings)
4645                         Mem_Free(stringbuffer->strings);
4646                 stringbuffer->strings = NULL;
4647         }
4648 }
4649
4650 static int BufStr_SortStringsUP (const void *in1, const void *in2)
4651 {
4652         const char *a, *b;
4653         a = *((const char **) in1);
4654         b = *((const char **) in2);
4655         if(!a || !a[0]) return 1;
4656         if(!b || !b[0]) return -1;
4657         return strncmp(a, b, stringbuffers_sortlength);
4658 }
4659
4660 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
4661 {
4662         const char *a, *b;
4663         a = *((const char **) in1);
4664         b = *((const char **) in2);
4665         if(!a || !a[0]) return 1;
4666         if(!b || !b[0]) return -1;
4667         return strncmp(b, a, stringbuffers_sortlength);
4668 }
4669
4670 prvm_stringbuffer_t *BufStr_FindCreateReplace (prvm_prog_t *prog, int bufindex, int flags, const char *format)
4671 {
4672         prvm_stringbuffer_t *stringbuffer;
4673         int i;
4674
4675         if (bufindex < 0)
4676                 return NULL;
4677
4678         // find buffer with wanted index
4679         if (bufindex < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray))
4680         {
4681                 if ( (stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, bufindex)) )
4682                 {
4683                         if (stringbuffer->flags & STRINGBUFFER_TEMP)
4684                                 stringbuffer->flags = flags; // created but has not been used yet
4685                         return stringbuffer;
4686                 }
4687                 return NULL;
4688         }
4689
4690         // allocate new buffer with wanted index
4691         while(1)
4692         {
4693                 stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4694                 stringbuffer->flags = STRINGBUFFER_TEMP;
4695                 for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4696                 if (i == bufindex)
4697                 {
4698                         stringbuffer->flags = flags; // mark as used
4699                         break;
4700                 }
4701         }
4702         return stringbuffer;
4703 }
4704
4705 void BufStr_Set(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer, int strindex, const char *str)
4706 {
4707         size_t  alloclen;
4708
4709         if (!stringbuffer || strindex < 0)
4710                 return;
4711
4712         BufStr_Expand(prog, stringbuffer, strindex);
4713         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
4714         if (stringbuffer->strings[strindex])
4715                 Mem_Free(stringbuffer->strings[strindex]);
4716         stringbuffer->strings[strindex] = NULL;
4717
4718         if (str)
4719         {
4720                 // not the NULL string!
4721                 alloclen = strlen(str) + 1;
4722                 stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
4723                 memcpy(stringbuffer->strings[strindex], str, alloclen);
4724         }
4725
4726         BufStr_Shrink(prog, stringbuffer);
4727 }
4728
4729 void BufStr_Del(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer)
4730 {
4731         int i;
4732
4733         if (!stringbuffer)
4734                 return;
4735
4736         for (i = 0;i < stringbuffer->num_strings;i++)
4737                 if (stringbuffer->strings[i])
4738                         Mem_Free(stringbuffer->strings[i]);
4739         if (stringbuffer->strings)
4740                 Mem_Free(stringbuffer->strings);
4741         if(stringbuffer->origin)
4742                 PRVM_Free((char *)stringbuffer->origin);
4743         Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
4744 }
4745
4746 void BufStr_Flush(prvm_prog_t *prog)
4747 {
4748         prvm_stringbuffer_t *stringbuffer;
4749         int i, numbuffers;
4750
4751         numbuffers = (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray);
4752         for (i = 0; i < numbuffers; i++)
4753                 if ( (stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i)) )
4754                         BufStr_Del(prog, stringbuffer);
4755         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
4756 }
4757
4758 /*
4759 ========================
4760 VM_buf_create
4761 creates new buffer, and returns it's index, returns -1 if failed
4762 float buf_create(prvm_prog_t *prog) = #460;
4763 float newbuf(string format, float flags) = #460;
4764 ========================
4765 */
4766
4767 void VM_buf_create (prvm_prog_t *prog)
4768 {
4769         prvm_stringbuffer_t *stringbuffer;
4770         int i;
4771
4772         VM_SAFEPARMCOUNTRANGE(0, 2, VM_buf_create);
4773
4774         // VorteX: optional parm1 (buffer format) is unfinished, to keep intact with future databuffers extension must be set to "string"
4775         if(prog->argc >= 1 && strcmp(PRVM_G_STRING(OFS_PARM0), "string"))
4776         {
4777                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4778                 return;
4779         }
4780         stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4781         for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4782         stringbuffer->origin = PRVM_AllocationOrigin(prog);
4783         // optional flags parm
4784         if (prog->argc >= 2)
4785                 stringbuffer->flags = (int)PRVM_G_FLOAT(OFS_PARM1) & STRINGBUFFER_QCFLAGS;
4786         PRVM_G_FLOAT(OFS_RETURN) = i;
4787 }
4788
4789
4790
4791 /*
4792 ========================
4793 VM_buf_del
4794 deletes buffer and all strings in it
4795 void buf_del(float bufhandle) = #461;
4796 ========================
4797 */
4798 void VM_buf_del (prvm_prog_t *prog)
4799 {
4800         prvm_stringbuffer_t *stringbuffer;
4801         VM_SAFEPARMCOUNT(1, VM_buf_del);
4802         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4803         if (stringbuffer)
4804                 BufStr_Del(prog, stringbuffer);
4805         else
4806         {
4807                 VM_Warning(prog, "VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4808                 return;
4809         }
4810 }
4811
4812 /*
4813 ========================
4814 VM_buf_getsize
4815 how many strings are stored in buffer
4816 float buf_getsize(float bufhandle) = #462;
4817 ========================
4818 */
4819 void VM_buf_getsize (prvm_prog_t *prog)
4820 {
4821         prvm_stringbuffer_t *stringbuffer;
4822         VM_SAFEPARMCOUNT(1, VM_buf_getsize);
4823
4824         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4825         if(!stringbuffer)
4826         {
4827                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4828                 VM_Warning(prog, "VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4829                 return;
4830         }
4831         else
4832                 PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
4833 }
4834
4835 /*
4836 ========================
4837 VM_buf_copy
4838 copy all content from one buffer to another, make sure it exists
4839 void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
4840 ========================
4841 */
4842 void VM_buf_copy (prvm_prog_t *prog)
4843 {
4844         prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
4845         int i;
4846         VM_SAFEPARMCOUNT(2, VM_buf_copy);
4847
4848         srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4849         if(!srcstringbuffer)
4850         {
4851                 VM_Warning(prog, "VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4852                 return;
4853         }
4854         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4855         if(i == (int)PRVM_G_FLOAT(OFS_PARM0))
4856         {
4857                 VM_Warning(prog, "VM_buf_copy: source == destination (%i) in %s\n", i, prog->name);
4858                 return;
4859         }
4860         dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4861         if(!dststringbuffer)
4862         {
4863                 VM_Warning(prog, "VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
4864                 return;
4865         }
4866
4867         for (i = 0;i < dststringbuffer->num_strings;i++)
4868                 if (dststringbuffer->strings[i])
4869                         Mem_Free(dststringbuffer->strings[i]);
4870         if (dststringbuffer->strings)
4871                 Mem_Free(dststringbuffer->strings);
4872         *dststringbuffer = *srcstringbuffer;
4873         if (dststringbuffer->max_strings)
4874                 dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
4875
4876         for (i = 0;i < dststringbuffer->num_strings;i++)
4877         {
4878                 if (srcstringbuffer->strings[i])
4879                 {
4880                         size_t stringlen;
4881                         stringlen = strlen(srcstringbuffer->strings[i]) + 1;
4882                         dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
4883                         memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
4884                 }
4885         }
4886 }
4887
4888 /*
4889 ========================
4890 VM_buf_sort
4891 sort buffer by beginnings of strings (cmplength defaults it's length)
4892 "backward == TRUE" means that sorting goes upside-down
4893 void buf_sort(float bufhandle, float cmplength, float backward) = #464;
4894 ========================
4895 */
4896 void VM_buf_sort (prvm_prog_t *prog)
4897 {
4898         prvm_stringbuffer_t *stringbuffer;
4899         VM_SAFEPARMCOUNT(3, VM_buf_sort);
4900
4901         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4902         if(!stringbuffer)
4903         {
4904                 VM_Warning(prog, "VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4905                 return;
4906         }
4907         if(stringbuffer->num_strings <= 0)
4908         {
4909                 VM_Warning(prog, "VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4910                 return;
4911         }
4912         stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
4913         if(stringbuffers_sortlength <= 0)
4914                 stringbuffers_sortlength = 0x7FFFFFFF;
4915
4916         if(!PRVM_G_FLOAT(OFS_PARM2))
4917                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
4918         else
4919                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
4920
4921         BufStr_Shrink(prog, stringbuffer);
4922 }
4923
4924 /*
4925 ========================
4926 VM_buf_implode
4927 concantenates all buffer string into one with "glue" separator and returns it as tempstring
4928 string buf_implode(float bufhandle, string glue) = #465;
4929 ========================
4930 */
4931 void VM_buf_implode (prvm_prog_t *prog)
4932 {
4933         prvm_stringbuffer_t *stringbuffer;
4934         char                    k[VM_STRINGTEMP_LENGTH];
4935         const char              *sep;
4936         int                             i;
4937         size_t                  l;
4938         VM_SAFEPARMCOUNT(2, VM_buf_implode);
4939
4940         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4941         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4942         if(!stringbuffer)
4943         {
4944                 VM_Warning(prog, "VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4945                 return;
4946         }
4947         if(!stringbuffer->num_strings)
4948                 return;
4949         sep = PRVM_G_STRING(OFS_PARM1);
4950         k[0] = 0;
4951         for(l = i = 0;i < stringbuffer->num_strings;i++)
4952         {
4953                 if(stringbuffer->strings[i])
4954                 {
4955                         l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
4956                         if (l >= sizeof(k) - 1)
4957                                 break;
4958                         strlcat(k, sep, sizeof(k));
4959                         strlcat(k, stringbuffer->strings[i], sizeof(k));
4960                 }
4961         }
4962         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, k);
4963 }
4964
4965 /*
4966 ========================
4967 VM_bufstr_get
4968 get a string from buffer, returns tempstring, dont str_unzone it!
4969 string bufstr_get(float bufhandle, float string_index) = #465;
4970 ========================
4971 */
4972 void VM_bufstr_get (prvm_prog_t *prog)
4973 {
4974         prvm_stringbuffer_t *stringbuffer;
4975         int                             strindex;
4976         VM_SAFEPARMCOUNT(2, VM_bufstr_get);
4977
4978         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4979         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4980         if(!stringbuffer)
4981         {
4982                 VM_Warning(prog, "VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4983                 return;
4984         }
4985         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4986         if (strindex < 0)
4987         {
4988                 // VM_Warning(prog, "VM_bufstr_get: invalid string index %i used in %s\n", strindex, prog->name);
4989                 return;
4990         }
4991         if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
4992                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, stringbuffer->strings[strindex]);
4993 }
4994
4995 /*
4996 ========================
4997 VM_bufstr_set
4998 copies a string into selected slot of buffer
4999 void bufstr_set(float bufhandle, float string_index, string str) = #466;
5000 ========================
5001 */
5002 void VM_bufstr_set (prvm_prog_t *prog)
5003 {
5004         int                             strindex;
5005         prvm_stringbuffer_t *stringbuffer;
5006         const char              *news;
5007
5008         VM_SAFEPARMCOUNT(3, VM_bufstr_set);
5009
5010         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5011         if(!stringbuffer)
5012         {
5013                 VM_Warning(prog, "VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5014                 return;
5015         }
5016         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
5017         if(strindex < 0 || strindex >= 1000000) // huge number of strings
5018         {
5019                 VM_Warning(prog, "VM_bufstr_set: invalid string index %i used in %s\n", strindex, prog->name);
5020                 return;
5021         }
5022
5023         news = PRVM_G_STRING(OFS_PARM2);
5024         BufStr_Set(prog, stringbuffer, strindex, news);
5025 }
5026
5027 /*
5028 ========================
5029 VM_bufstr_add
5030 adds string to buffer in first free slot and returns its index
5031 "order == TRUE" means that string will be added after last "full" slot
5032 float bufstr_add(float bufhandle, string str, float order) = #467;
5033 ========================
5034 */
5035 void VM_bufstr_add (prvm_prog_t *prog)
5036 {
5037         int                             order, strindex;
5038         prvm_stringbuffer_t *stringbuffer;
5039         const char              *string;
5040         size_t                  alloclen;
5041
5042         VM_SAFEPARMCOUNT(3, VM_bufstr_add);
5043
5044         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5045         PRVM_G_FLOAT(OFS_RETURN) = -1;
5046         if(!stringbuffer)
5047         {
5048                 VM_Warning(prog, "VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5049                 return;
5050         }
5051         if(!PRVM_G_INT(OFS_PARM1)) // NULL string
5052         {
5053                 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);
5054                 return;
5055         }
5056         string = PRVM_G_STRING(OFS_PARM1);
5057         order = (int)PRVM_G_FLOAT(OFS_PARM2);
5058         if(order)
5059                 strindex = stringbuffer->num_strings;
5060         else
5061                 for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
5062                         if (stringbuffer->strings[strindex] == NULL)
5063                                 break;
5064
5065         BufStr_Expand(prog, stringbuffer, strindex);
5066
5067         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5068         alloclen = strlen(string) + 1;
5069         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5070         memcpy(stringbuffer->strings[strindex], string, alloclen);
5071
5072         PRVM_G_FLOAT(OFS_RETURN) = strindex;
5073 }
5074
5075 /*
5076 ========================
5077 VM_bufstr_free
5078 delete string from buffer
5079 void bufstr_free(float bufhandle, float string_index) = #468;
5080 ========================
5081 */
5082 void VM_bufstr_free (prvm_prog_t *prog)
5083 {
5084         int                             i;
5085         prvm_stringbuffer_t     *stringbuffer;
5086         VM_SAFEPARMCOUNT(2, VM_bufstr_free);
5087
5088         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5089         if(!stringbuffer)
5090         {
5091                 VM_Warning(prog, "VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5092                 return;
5093         }
5094         i = (int)PRVM_G_FLOAT(OFS_PARM1);
5095         if(i < 0)
5096         {
5097                 VM_Warning(prog, "VM_bufstr_free: invalid string index %i used in %s\n", i, prog->name);
5098                 return;
5099         }
5100
5101         if (i < stringbuffer->num_strings)
5102         {
5103                 if(stringbuffer->strings[i])
5104                         Mem_Free(stringbuffer->strings[i]);
5105                 stringbuffer->strings[i] = NULL;
5106         }
5107
5108         BufStr_Shrink(prog, stringbuffer);
5109 }
5110
5111 /*
5112 ========================
5113 VM_buf_loadfile
5114 load a file into string buffer, return 0 or 1
5115 float buf_loadfile(string filename, float bufhandle) = #535;
5116 ========================
5117 */
5118 void VM_buf_loadfile(prvm_prog_t *prog)
5119 {
5120         size_t alloclen;
5121         prvm_stringbuffer_t *stringbuffer;
5122         char string[VM_STRINGTEMP_LENGTH];
5123         int strindex, c, end;
5124         const char *filename;
5125         char vabuf[1024];
5126         qfile_t *file;
5127
5128         VM_SAFEPARMCOUNT(2, VM_buf_loadfile);
5129
5130         // get file
5131         filename = PRVM_G_STRING(OFS_PARM0);
5132         file = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "data/%s", filename), false);
5133         if (file == NULL)
5134                 file = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "%s", filename), false);
5135         if (file == NULL)
5136         {
5137                 if (developer_extra.integer)
5138                         VM_Warning(prog, "VM_buf_loadfile: failed to open file %s in %s\n", filename, prog->name);
5139                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5140                 return;
5141         }
5142
5143         // get string buffer
5144         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM1));
5145         if(!stringbuffer)
5146         {
5147                 VM_Warning(prog, "VM_buf_loadfile: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
5148                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5149                 return;
5150         }
5151
5152         // read file (append to the end of buffer)
5153         strindex = stringbuffer->num_strings;
5154         while(1)
5155         {
5156                 // read line
5157                 end = 0;
5158                 for (;;)
5159                 {
5160                         c = FS_Getc(file);
5161                         if (c == '\r' || c == '\n' || c < 0)
5162                                 break;
5163                         if (end < VM_STRINGTEMP_LENGTH - 1)
5164                                 string[end++] = c;
5165                 }
5166                 string[end] = 0;
5167                 // remove \n following \r
5168                 if (c == '\r')
5169                 {
5170                         c = FS_Getc(file);
5171                         if (c != '\n')
5172                                 FS_UnGetc(file, (unsigned char)c);
5173                 }
5174                 // add and continue
5175                 if (c >= 0 || end)
5176                 {
5177                         BufStr_Expand(prog, stringbuffer, strindex);
5178                         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5179                         alloclen = strlen(string) + 1;
5180                         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5181                         memcpy(stringbuffer->strings[strindex], string, alloclen);
5182                         strindex = stringbuffer->num_strings;
5183                 }
5184                 else
5185                         break;
5186         }
5187
5188         // close file
5189         FS_Close(file);
5190         PRVM_G_FLOAT(OFS_RETURN) = 1;
5191 }
5192
5193 /*
5194 ========================
5195 VM_buf_writefile
5196 writes stringbuffer to a file, returns 0 or 1
5197 float buf_writefile(float filehandle, float bufhandle, [, float startpos, float numstrings]) = #468;
5198 ========================
5199 */
5200
5201 void VM_buf_writefile(prvm_prog_t *prog)
5202 {
5203         int filenum, strindex, strnum, strlength;
5204         prvm_stringbuffer_t *stringbuffer;
5205
5206         VM_SAFEPARMCOUNTRANGE(2, 4, VM_buf_writefile);
5207
5208         // get file
5209         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
5210         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
5211         {
5212                 VM_Warning(prog, "VM_buf_writefile: invalid file handle %i used in %s\n", filenum, prog->name);
5213                 return;
5214         }
5215         if (prog->openfiles[filenum] == NULL)
5216         {
5217                 VM_Warning(prog, "VM_buf_writefile: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
5218                 return;
5219         }
5220
5221         // get string buffer
5222         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM1));
5223         if(!stringbuffer)
5224         {
5225                 VM_Warning(prog, "VM_buf_writefile: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
5226                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5227                 return;
5228         }
5229
5230         // get start and end parms
5231         if (prog->argc > 3)
5232         {
5233                 strindex = (int)PRVM_G_FLOAT(OFS_PARM2);
5234                 strnum = (int)PRVM_G_FLOAT(OFS_PARM3);
5235         }
5236         else if (prog->argc > 2)
5237         {
5238                 strindex = (int)PRVM_G_FLOAT(OFS_PARM2);
5239                 strnum = stringbuffer->num_strings - strindex;
5240         }
5241         else
5242         {
5243                 strindex = 0;
5244                 strnum = stringbuffer->num_strings;
5245         }
5246         if (strindex < 0 || strindex >= stringbuffer->num_strings)
5247         {
5248                 VM_Warning(prog, "VM_buf_writefile: wrong start string index %i used in %s\n", strindex, prog->name);
5249                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5250                 return;
5251         }
5252         if (strnum < 0)
5253         {
5254                 VM_Warning(prog, "VM_buf_writefile: wrong strings count %i used in %s\n", strnum, prog->name);
5255                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5256                 return;
5257         }
5258
5259         // write
5260         while(strindex < stringbuffer->num_strings && strnum)
5261         {
5262                 if (stringbuffer->strings[strindex])
5263                 {
5264                         if ((strlength = (int)strlen(stringbuffer->strings[strindex])))
5265                                 FS_Write(prog->openfiles[filenum], stringbuffer->strings[strindex], strlength);
5266                         FS_Write(prog->openfiles[filenum], "\n", 1);
5267                 }
5268                 strindex++;
5269                 strnum--;
5270         }
5271
5272         PRVM_G_FLOAT(OFS_RETURN) = 1;
5273 }
5274
5275 #define MATCH_AUTO     0
5276 #define MATCH_WHOLE    1
5277 #define MATCH_LEFT     2
5278 #define MATCH_RIGHT    3
5279 #define MATCH_MIDDLE   4
5280 #define MATCH_PATTERN  5
5281
5282 static const char *detect_match_rule(char *pattern, int *matchrule)
5283 {
5284         char *ppos, *qpos;
5285         int patternlength;
5286
5287         patternlength = (int)strlen(pattern);
5288         ppos = strchr(pattern, '*');
5289         qpos = strchr(pattern, '?');
5290         // has ? - pattern
5291         if (qpos)
5292         {
5293                 *matchrule = MATCH_PATTERN;
5294                 return pattern;
5295         }
5296         // has * - left, mid, right or pattern
5297         if (ppos)
5298         {
5299                 // starts with * - may be right/mid or pattern
5300                 if ((ppos - pattern) == 0)
5301                 {
5302                         ppos = strchr(pattern+1, '*');
5303                         // *something
5304                         if (!ppos)
5305                         {
5306                                 *matchrule = MATCH_RIGHT;
5307                                 return pattern+1;
5308                         }
5309                         // *something*
5310                         if ((ppos - pattern) == patternlength)
5311                         {
5312                                 *matchrule = MATCH_MIDDLE;
5313                                 *ppos = 0;
5314                                 return pattern+1;
5315                         }
5316                         // *som*thing
5317                         *matchrule = MATCH_PATTERN;
5318                         return pattern;
5319                 }
5320                 // end with * - left
5321                 if ((ppos - pattern) == patternlength)
5322                 {
5323                         *matchrule = MATCH_LEFT;
5324                         *ppos = 0;
5325                         return pattern;
5326                 }
5327                 // som*thing
5328                 *matchrule = MATCH_PATTERN;
5329                 return pattern;
5330         }
5331         // have no wildcards - whole string
5332         *matchrule = MATCH_WHOLE;
5333         return pattern;
5334 }
5335
5336 // todo: support UTF8
5337 static qboolean match_rule(const char *string, int max_string, const char *pattern, int patternlength, int rule)
5338 {
5339         const char *mid;
5340
5341         if (rule == 1)
5342                 return !strncmp(string, pattern, max_string) ? true : false;
5343         if (rule == 2)
5344                 return !strncmp(string, pattern, patternlength) ? true : false;
5345         if (rule == 3)
5346         {
5347                 mid = strstr(string, pattern);
5348                 return mid && !*(mid+patternlength);
5349         }
5350         if (rule == 4)
5351                 return strstr(string, pattern) ? true : false;
5352         // pattern
5353         return matchpattern_with_separator(string, pattern, false, "", false) ? true : false;
5354 }
5355
5356 /*
5357 ========================
5358 VM_bufstr_find
5359 find an index of bufstring matching rule
5360 float bufstr_find(float bufhandle, string match, float matchrule, float startpos, float step) = #468;
5361 ========================
5362 */
5363
5364 void VM_bufstr_find(prvm_prog_t *prog)
5365 {
5366         prvm_stringbuffer_t *stringbuffer;
5367         char string[VM_STRINGTEMP_LENGTH];
5368         int matchrule, matchlen, i, step;
5369         const char *match;
5370
5371         VM_SAFEPARMCOUNTRANGE(3, 5, VM_bufstr_find);
5372
5373         PRVM_G_FLOAT(OFS_RETURN) = -1;
5374
5375         // get string buffer
5376         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5377         if(!stringbuffer)
5378         {
5379                 VM_Warning(prog, "VM_bufstr_find: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5380                 return;
5381         }
5382
5383         // get pattern/rule
5384         matchrule = (int)PRVM_G_FLOAT(OFS_PARM2);
5385         if (matchrule < 0 && matchrule > 5)
5386         {
5387                 VM_Warning(prog, "VM_bufstr_find: invalid match rule %i in %s\n", matchrule, prog->name);
5388                 return;
5389         }
5390         if (matchrule)
5391                 match = PRVM_G_STRING(OFS_PARM1);
5392         else
5393         {
5394                 strlcpy(string, PRVM_G_STRING(OFS_PARM1), sizeof(string));
5395                 match = detect_match_rule(string, &matchrule);
5396         }
5397         matchlen = (int)strlen(match);
5398
5399         // find
5400         i = (prog->argc > 3) ? (int)PRVM_G_FLOAT(OFS_PARM3) : 0;
5401         step = (prog->argc > 4) ? (int)PRVM_G_FLOAT(OFS_PARM4) : 1;
5402         while(i < stringbuffer->num_strings)
5403         {
5404                 if (stringbuffer->strings[i] && match_rule(stringbuffer->strings[i], VM_STRINGTEMP_LENGTH, match, matchlen, matchrule))
5405                 {
5406                         PRVM_G_FLOAT(OFS_RETURN) = i;
5407                         break;
5408                 }
5409                 i += step;
5410         }
5411 }
5412
5413 /*
5414 ========================
5415 VM_matchpattern
5416 float matchpattern(string s, string pattern, float matchrule, float startpos) = #468;
5417 ========================
5418 */
5419 void VM_matchpattern(prvm_prog_t *prog)
5420 {
5421         const char *s, *match;
5422         char string[VM_STRINGTEMP_LENGTH];
5423         int matchrule, l;
5424
5425         VM_SAFEPARMCOUNTRANGE(2, 4, VM_matchpattern);
5426
5427         s = PRVM_G_STRING(OFS_PARM0);
5428
5429         // get pattern/rule
5430         matchrule = (int)PRVM_G_FLOAT(OFS_PARM2);
5431         if (matchrule < 0 && matchrule > 5)
5432         {
5433                 VM_Warning(prog, "VM_bufstr_find: invalid match rule %i in %s\n", matchrule, prog->name);
5434                 return;
5435         }
5436         if (matchrule)
5437                 match = PRVM_G_STRING(OFS_PARM1);
5438         else
5439         {
5440                 strlcpy(string, PRVM_G_STRING(OFS_PARM1), sizeof(string));
5441                 match = detect_match_rule(string, &matchrule);
5442         }
5443
5444         // offset
5445         l = (int)strlen(match);
5446         if (prog->argc > 3)
5447                 s += max(0, min((unsigned int)PRVM_G_FLOAT(OFS_PARM3), strlen(s)-1));
5448
5449         // match
5450         PRVM_G_FLOAT(OFS_RETURN) = match_rule(s, VM_STRINGTEMP_LENGTH, match, l, matchrule);
5451 }
5452
5453 /*
5454 ========================
5455 VM_buf_cvarlist
5456 ========================
5457 */
5458
5459 void VM_buf_cvarlist(prvm_prog_t *prog)
5460 {
5461         cvar_t *cvar;
5462         const char *partial, *antipartial;
5463         size_t len, antilen;
5464         size_t alloclen;
5465         qboolean ispattern, antiispattern;
5466         int n;
5467         prvm_stringbuffer_t     *stringbuffer;
5468         VM_SAFEPARMCOUNTRANGE(2, 3, VM_buf_cvarlist);
5469
5470         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5471         if(!stringbuffer)
5472         {
5473                 VM_Warning(prog, "VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5474                 return;
5475         }
5476
5477         partial = PRVM_G_STRING(OFS_PARM1);
5478         if(!partial)
5479                 len = 0;
5480         else
5481                 len = strlen(partial);
5482
5483         if(prog->argc == 3)
5484                 antipartial = PRVM_G_STRING(OFS_PARM2);
5485         else
5486                 antipartial = NULL;
5487         if(!antipartial)
5488                 antilen = 0;
5489         else
5490                 antilen = strlen(antipartial);
5491
5492         for (n = 0;n < stringbuffer->num_strings;n++)
5493                 if (stringbuffer->strings[n])
5494                         Mem_Free(stringbuffer->strings[n]);
5495         if (stringbuffer->strings)
5496                 Mem_Free(stringbuffer->strings);
5497         stringbuffer->strings = NULL;
5498
5499         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
5500         antiispattern = antipartial && (strchr(antipartial, '*') || strchr(antipartial, '?'));
5501
5502         n = 0;
5503         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5504         {
5505                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5506                         continue;
5507
5508                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5509                         continue;
5510
5511                 ++n;
5512         }
5513
5514         stringbuffer->max_strings = stringbuffer->num_strings = n;
5515         if (stringbuffer->max_strings)
5516                 stringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(stringbuffer->strings[0]) * stringbuffer->max_strings);
5517
5518         n = 0;
5519         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5520         {
5521                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5522                         continue;
5523
5524                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5525                         continue;
5526
5527                 alloclen = strlen(cvar->name) + 1;
5528                 stringbuffer->strings[n] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5529                 memcpy(stringbuffer->strings[n], cvar->name, alloclen);
5530
5531                 ++n;
5532         }
5533 }
5534
5535
5536
5537
5538 //=============
5539
5540 /*
5541 ==============
5542 VM_changeyaw
5543
5544 This was a major timewaster in progs, so it was converted to C
5545 ==============
5546 */
5547 void VM_changeyaw (prvm_prog_t *prog)
5548 {
5549         prvm_edict_t            *ent;
5550         float           ideal, current, move, speed;
5551
5552         // this is called (VERY HACKISHLY) by VM_SV_MoveToGoal, so it can not use any
5553         // parameters because they are the parameters to VM_SV_MoveToGoal, not this
5554         //VM_SAFEPARMCOUNT(0, VM_changeyaw);
5555
5556         ent = PRVM_PROG_TO_EDICT(PRVM_gameglobaledict(self));
5557         if (ent == prog->edicts)
5558         {
5559                 VM_Warning(prog, "changeyaw: can not modify world entity\n");
5560                 return;
5561         }
5562         if (ent->priv.server->free)
5563         {
5564                 VM_Warning(prog, "changeyaw: can not modify free entity\n");
5565                 return;
5566         }
5567         current = PRVM_gameedictvector(ent, angles)[1];
5568         current = ANGLEMOD(current);
5569         ideal = PRVM_gameedictfloat(ent, ideal_yaw);
5570         speed = PRVM_gameedictfloat(ent, yaw_speed);
5571
5572         if (current == ideal)
5573                 return;
5574         move = ideal - current;
5575         if (ideal > current)
5576         {
5577                 if (move >= 180)
5578                         move = move - 360;
5579         }
5580         else
5581         {
5582                 if (move <= -180)
5583                         move = move + 360;
5584         }
5585         if (move > 0)
5586         {
5587                 if (move > speed)
5588                         move = speed;
5589         }
5590         else
5591         {
5592                 if (move < -speed)
5593                         move = -speed;
5594         }
5595
5596         current += move;
5597         PRVM_gameedictvector(ent, angles)[1] = ANGLEMOD(current);
5598 }
5599
5600 /*
5601 ==============
5602 VM_changepitch
5603 ==============
5604 */
5605 void VM_changepitch (prvm_prog_t *prog)
5606 {
5607         prvm_edict_t            *ent;
5608         float           ideal, current, move, speed;
5609
5610         VM_SAFEPARMCOUNT(1, VM_changepitch);
5611
5612         ent = PRVM_G_EDICT(OFS_PARM0);
5613         if (ent == prog->edicts)
5614         {
5615                 VM_Warning(prog, "changepitch: can not modify world entity\n");
5616                 return;
5617         }
5618         if (ent->priv.server->free)
5619         {
5620                 VM_Warning(prog, "changepitch: can not modify free entity\n");
5621                 return;
5622         }
5623         current = PRVM_gameedictvector(ent, angles)[0];
5624         current = ANGLEMOD(current);
5625         ideal = PRVM_gameedictfloat(ent, idealpitch);
5626         speed = PRVM_gameedictfloat(ent, pitch_speed);
5627
5628         if (current == ideal)
5629                 return;
5630         move = ideal - current;
5631         if (ideal > current)
5632         {
5633                 if (move >= 180)
5634                         move = move - 360;
5635         }
5636         else
5637         {
5638                 if (move <= -180)
5639                         move = move + 360;
5640         }
5641         if (move > 0)
5642         {
5643                 if (move > speed)
5644                         move = speed;
5645         }
5646         else
5647         {
5648                 if (move < -speed)
5649                         move = -speed;
5650         }
5651
5652         current += move;
5653         PRVM_gameedictvector(ent, angles)[0] = ANGLEMOD(current);
5654 }
5655
5656
5657 void VM_uncolorstring (prvm_prog_t *prog)
5658 {
5659         char szNewString[VM_STRINGTEMP_LENGTH];
5660         const char *szString;
5661
5662         // Prepare Strings
5663         VM_SAFEPARMCOUNT(1, VM_uncolorstring);
5664         szString = PRVM_G_STRING(OFS_PARM0);
5665         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
5666         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
5667
5668 }
5669
5670 // #221 float(string str, string sub[, float startpos]) strstrofs (FTE_STRINGS)
5671 //strstr, without generating a new string. Use in conjunction with FRIK_FILE's substring for more similar strstr.
5672 void VM_strstrofs (prvm_prog_t *prog)
5673 {
5674         const char *instr, *match;
5675         int firstofs;
5676         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strstrofs);
5677         instr = PRVM_G_STRING(OFS_PARM0);
5678         match = PRVM_G_STRING(OFS_PARM1);
5679         firstofs = (prog->argc > 2)?(int)PRVM_G_FLOAT(OFS_PARM2):0;
5680         firstofs = (int)u8_bytelen(instr, firstofs);
5681
5682         if (firstofs && (firstofs < 0 || firstofs > (int)strlen(instr)))
5683         {
5684                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5685                 return;
5686         }
5687
5688         match = strstr(instr+firstofs, match);
5689         if (!match)
5690                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5691         else
5692                 PRVM_G_FLOAT(OFS_RETURN) = u8_strnlen(instr, match-instr);
5693 }
5694
5695 //#222 string(string s, float index) str2chr (FTE_STRINGS)
5696 void VM_str2chr (prvm_prog_t *prog)
5697 {
5698         const char *s;
5699         Uchar ch;
5700         int index;
5701         VM_SAFEPARMCOUNT(2, VM_str2chr);
5702         s = PRVM_G_STRING(OFS_PARM0);
5703         index = (int)u8_bytelen(s, (int)PRVM_G_FLOAT(OFS_PARM1));
5704
5705         if((unsigned)index < strlen(s))
5706         {
5707                 if (utf8_enable.integer)
5708                         ch = u8_getchar_noendptr(s + index);
5709                 else
5710                         ch = (unsigned char)s[index];
5711                 PRVM_G_FLOAT(OFS_RETURN) = ch;
5712         }
5713         else
5714                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5715 }
5716
5717 //#223 string(float c, ...) chr2str (FTE_STRINGS)
5718 void VM_chr2str (prvm_prog_t *prog)
5719 {
5720         /*
5721         char    t[9];
5722         int             i;
5723         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5724         for(i = 0;i < prog->argc && i < (int)sizeof(t) - 1;i++)
5725                 t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
5726         t[i] = 0;
5727         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
5728         */
5729         char t[9 * 4 + 1];
5730         int i;
5731         size_t len = 0;
5732         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5733         for(i = 0; i < prog->argc && len < sizeof(t)-1; ++i)
5734                 len += u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0+i*3), t + len, sizeof(t)-1);
5735         t[len] = 0;
5736         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
5737 }
5738
5739 static int chrconv_number(int i, int base, int conv)
5740 {
5741         i -= base;
5742         switch (conv)
5743         {
5744         default:
5745         case 5:
5746         case 6:
5747         case 0:
5748                 break;
5749         case 1:
5750                 base = '0';
5751                 break;
5752         case 2:
5753                 base = '0'+128;
5754                 break;
5755         case 3:
5756                 base = '0'-30;
5757                 break;
5758         case 4:
5759                 base = '0'+128-30;
5760                 break;
5761         }
5762         return i + base;
5763 }
5764 static int chrconv_punct(int i, int base, int conv)
5765 {
5766         i -= base;
5767         switch (conv)
5768         {
5769         default:
5770         case 0:
5771                 break;
5772         case 1:
5773                 base = 0;
5774                 break;
5775         case 2:
5776                 base = 128;
5777                 break;
5778         }
5779         return i + base;
5780 }
5781
5782 static int chrchar_alpha(int i, int basec, int baset, int convc, int convt, int charnum)
5783 {
5784         //convert case and colour seperatly...
5785
5786         i -= baset + basec;
5787         switch (convt)
5788         {
5789         default:
5790         case 0:
5791                 break;
5792         case 1:
5793                 baset = 0;
5794                 break;
5795         case 2:
5796                 baset = 128;
5797                 break;
5798
5799         case 5:
5800         case 6:
5801                 baset = 128*((charnum&1) == (convt-5));
5802                 break;
5803         }
5804
5805         switch (convc)
5806         {
5807         default:
5808         case 0:
5809                 break;
5810         case 1:
5811                 basec = 'a';
5812                 break;
5813         case 2:
5814                 basec = 'A';
5815                 break;
5816         }
5817         return i + basec + baset;
5818 }
5819 // #224 string(float ccase, float calpha, float cnum, string s, ...) strconv (FTE_STRINGS)
5820 //bulk convert a string. change case or colouring.
5821 void VM_strconv (prvm_prog_t *prog)
5822 {
5823         int ccase, redalpha, rednum, len, i;
5824         unsigned char resbuf[VM_STRINGTEMP_LENGTH];
5825         unsigned char *result = resbuf;
5826
5827         VM_SAFEPARMCOUNTRANGE(3, 8, VM_strconv);
5828
5829         ccase = (int) PRVM_G_FLOAT(OFS_PARM0);  //0 same, 1 lower, 2 upper
5830         redalpha = (int) PRVM_G_FLOAT(OFS_PARM1);       //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
5831         rednum = (int) PRVM_G_FLOAT(OFS_PARM2); //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
5832         VM_VarString(prog, 3, (char *) resbuf, sizeof(resbuf));
5833         len = (int)strlen((char *) resbuf);
5834
5835         for (i = 0; i < len; i++, result++)     //should this be done backwards?
5836         {
5837                 if (*result >= '0' && *result <= '9')   //normal numbers...
5838                         *result = chrconv_number(*result, '0', rednum);
5839                 else if (*result >= '0'+128 && *result <= '9'+128)
5840                         *result = chrconv_number(*result, '0'+128, rednum);
5841                 else if (*result >= '0'+128-30 && *result <= '9'+128-30)
5842                         *result = chrconv_number(*result, '0'+128-30, rednum);
5843                 else if (*result >= '0'-30 && *result <= '9'-30)
5844                         *result = chrconv_number(*result, '0'-30, rednum);
5845
5846                 else if (*result >= 'a' && *result <= 'z')      //normal numbers...
5847                         *result = chrchar_alpha(*result, 'a', 0, ccase, redalpha, i);
5848                 else if (*result >= 'A' && *result <= 'Z')      //normal numbers...
5849                         *result = chrchar_alpha(*result, 'A', 0, ccase, redalpha, i);
5850                 else if (*result >= 'a'+128 && *result <= 'z'+128)      //normal numbers...
5851                         *result = chrchar_alpha(*result, 'a', 128, ccase, redalpha, i);
5852                 else if (*result >= 'A'+128 && *result <= 'Z'+128)      //normal numbers...
5853                         *result = chrchar_alpha(*result, 'A', 128, ccase, redalpha, i);
5854
5855                 else if ((*result & 127) < 16 || !redalpha)     //special chars..
5856                         *result = *result;
5857                 else if (*result < 128)
5858                         *result = chrconv_punct(*result, 0, redalpha);
5859                 else
5860                         *result = chrconv_punct(*result, 128, redalpha);
5861         }
5862         *result = '\0';
5863
5864         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, (char *) resbuf);
5865 }
5866
5867 // #225 string(float chars, string s, ...) strpad (FTE_STRINGS)
5868 void VM_strpad (prvm_prog_t *prog)
5869 {
5870         char src[VM_STRINGTEMP_LENGTH];
5871         char destbuf[VM_STRINGTEMP_LENGTH];
5872         int pad;
5873         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strpad);
5874         pad = (int) PRVM_G_FLOAT(OFS_PARM0);
5875         VM_VarString(prog, 1, src, sizeof(src));
5876
5877         // note: < 0 = left padding, > 0 = right padding,
5878         // this is reverse logic of printf!
5879         dpsnprintf(destbuf, sizeof(destbuf), "%*s", -pad, src);
5880
5881         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, destbuf);
5882 }
5883
5884 // #226 string(string info, string key, string value, ...) infoadd (FTE_STRINGS)
5885 //uses qw style \key\value strings
5886 void VM_infoadd (prvm_prog_t *prog)
5887 {
5888         const char *info, *key;
5889         char value[VM_STRINGTEMP_LENGTH];
5890         char temp[VM_STRINGTEMP_LENGTH];
5891
5892         VM_SAFEPARMCOUNTRANGE(2, 8, VM_infoadd);
5893         info = PRVM_G_STRING(OFS_PARM0);
5894         key = PRVM_G_STRING(OFS_PARM1);
5895         VM_VarString(prog, 2, value, sizeof(value));
5896
5897         strlcpy(temp, info, VM_STRINGTEMP_LENGTH);
5898
5899         InfoString_SetValue(temp, VM_STRINGTEMP_LENGTH, key, value);
5900
5901         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, temp);
5902 }
5903
5904 // #227 string(string info, string key) infoget (FTE_STRINGS)
5905 //uses qw style \key\value strings
5906 void VM_infoget (prvm_prog_t *prog)
5907 {
5908         const char *info;
5909         const char *key;
5910         char value[VM_STRINGTEMP_LENGTH];
5911
5912         VM_SAFEPARMCOUNT(2, VM_infoget);
5913         info = PRVM_G_STRING(OFS_PARM0);
5914         key = PRVM_G_STRING(OFS_PARM1);
5915
5916         InfoString_GetValue(info, key, value, VM_STRINGTEMP_LENGTH);
5917
5918         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, value);
5919 }
5920
5921 //#228 float(string s1, string s2, float len) strncmp (FTE_STRINGS)
5922 // also float(string s1, string s2) strcmp (FRIK_FILE)
5923 void VM_strncmp (prvm_prog_t *prog)
5924 {
5925         const char *s1, *s2;
5926         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncmp);
5927         s1 = PRVM_G_STRING(OFS_PARM0);
5928         s2 = PRVM_G_STRING(OFS_PARM1);
5929         if (prog->argc > 2)
5930         {
5931                 PRVM_G_FLOAT(OFS_RETURN) = strncmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5932         }
5933         else
5934         {
5935                 PRVM_G_FLOAT(OFS_RETURN) = strcmp(s1, s2);
5936         }
5937 }
5938
5939 // #229 float(string s1, string s2) strcasecmp (FTE_STRINGS)
5940 // #230 float(string s1, string s2, float len) strncasecmp (FTE_STRINGS)
5941 void VM_strncasecmp (prvm_prog_t *prog)
5942 {
5943         const char *s1, *s2;
5944         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncasecmp);
5945         s1 = PRVM_G_STRING(OFS_PARM0);
5946         s2 = PRVM_G_STRING(OFS_PARM1);
5947         if (prog->argc > 2)
5948         {
5949                 PRVM_G_FLOAT(OFS_RETURN) = strncasecmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5950         }
5951         else
5952         {
5953                 PRVM_G_FLOAT(OFS_RETURN) = strcasecmp(s1, s2);
5954         }
5955 }
5956
5957 // #494 float(float caseinsensitive, string s, ...) crc16
5958 void VM_crc16(prvm_prog_t *prog)
5959 {
5960         float insensitive;
5961         char s[VM_STRINGTEMP_LENGTH];
5962         VM_SAFEPARMCOUNTRANGE(2, 8, VM_crc16);
5963         insensitive = PRVM_G_FLOAT(OFS_PARM0);
5964         VM_VarString(prog, 1, s, sizeof(s));
5965         PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
5966 }
5967
5968 // #639 float(string digest, string data, ...) digest_hex
5969 void VM_digest_hex(prvm_prog_t *prog)
5970 {
5971         const char *digest;
5972
5973         char out[32];
5974         char outhex[65];
5975         int outlen;
5976
5977         char s[VM_STRINGTEMP_LENGTH];
5978         int len;
5979
5980         VM_SAFEPARMCOUNTRANGE(2, 8, VM_digest_hex);
5981         digest = PRVM_G_STRING(OFS_PARM0);
5982         if(!digest)
5983                 digest = "";
5984         VM_VarString(prog, 1, s, sizeof(s));
5985         len = (int)strlen(s);
5986
5987         outlen = 0;
5988
5989         if(!strcmp(digest, "MD4"))
5990         {
5991                 outlen = 16;
5992                 mdfour((unsigned char *) out, (unsigned char *) s, len);
5993         }
5994         else if(!strcmp(digest, "SHA256") && Crypto_Available())
5995         {
5996                 outlen = 32;
5997                 sha256((unsigned char *) out, (unsigned char *) s, len);
5998         }
5999         // no warning needed on mismatch - we return string_null to QC
6000
6001         if(outlen)
6002         {
6003                 int i;
6004                 static const char *hexmap = "0123456789abcdef";
6005                 for(i = 0; i < outlen; ++i)
6006                 {
6007                         outhex[2*i]   = hexmap[(out[i] >> 4) & 15];
6008                         outhex[2*i+1] = hexmap[(out[i] >> 0) & 15];
6009                 }
6010                 outhex[2*i] = 0;
6011                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, outhex);
6012         }
6013         else
6014                 PRVM_G_INT(OFS_RETURN) = 0;
6015 }
6016
6017 void VM_wasfreed (prvm_prog_t *prog)
6018 {
6019         VM_SAFEPARMCOUNT(1, VM_wasfreed);
6020         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICT(OFS_PARM0)->priv.required->free;
6021 }
6022
6023 void VM_SetTraceGlobals(prvm_prog_t *prog, const trace_t *trace)
6024 {
6025         PRVM_gameglobalfloat(trace_allsolid) = trace->allsolid;
6026         PRVM_gameglobalfloat(trace_startsolid) = trace->startsolid;
6027         PRVM_gameglobalfloat(trace_fraction) = trace->fraction;
6028         PRVM_gameglobalfloat(trace_inwater) = trace->inwater;
6029         PRVM_gameglobalfloat(trace_inopen) = trace->inopen;
6030         VectorCopy(trace->endpos, PRVM_gameglobalvector(trace_endpos));
6031         VectorCopy(trace->plane.normal, PRVM_gameglobalvector(trace_plane_normal));
6032         PRVM_gameglobalfloat(trace_plane_dist) = trace->plane.dist;
6033         PRVM_gameglobaledict(trace_ent) = PRVM_EDICT_TO_PROG(trace->ent ? trace->ent : prog->edicts);
6034         PRVM_gameglobalfloat(trace_dpstartcontents) = trace->startsupercontents;
6035         PRVM_gameglobalfloat(trace_dphitcontents) = trace->hitsupercontents;
6036         PRVM_gameglobalfloat(trace_dphitq3surfaceflags) = trace->hitq3surfaceflags;
6037         PRVM_gameglobalstring(trace_dphittexturename) = trace->hittexture ? PRVM_SetTempString(prog, trace->hittexture->name) : 0;
6038 }
6039
6040 void VM_ClearTraceGlobals(prvm_prog_t *prog)
6041 {
6042         // clean up all trace globals when leaving the VM (anti-triggerbot safeguard)
6043         PRVM_gameglobalfloat(trace_allsolid) = 0;
6044         PRVM_gameglobalfloat(trace_startsolid) = 0;
6045         PRVM_gameglobalfloat(trace_fraction) = 0;
6046         PRVM_gameglobalfloat(trace_inwater) = 0;
6047         PRVM_gameglobalfloat(trace_inopen) = 0;
6048         VectorClear(PRVM_gameglobalvector(trace_endpos));
6049         VectorClear(PRVM_gameglobalvector(trace_plane_normal));
6050         PRVM_gameglobalfloat(trace_plane_dist) = 0;
6051         PRVM_gameglobaledict(trace_ent) = PRVM_EDICT_TO_PROG(prog->edicts);
6052         PRVM_gameglobalfloat(trace_dpstartcontents) = 0;
6053         PRVM_gameglobalfloat(trace_dphitcontents) = 0;
6054         PRVM_gameglobalfloat(trace_dphitq3surfaceflags) = 0;
6055         PRVM_gameglobalstring(trace_dphittexturename) = 0;
6056 }
6057
6058 //=============
6059
6060 void VM_Cmd_Init(prvm_prog_t *prog)
6061 {
6062         // only init the stuff for the current prog
6063         VM_Files_Init(prog);
6064         VM_Search_Init(prog);
6065 }
6066
6067 static void animatemodel_reset(prvm_prog_t *prog);
6068
6069 void VM_Cmd_Reset(prvm_prog_t *prog)
6070 {
6071         CL_PurgeOwner( MENUOWNER );
6072         VM_Search_Reset(prog);
6073         VM_Files_CloseAll(prog);
6074         animatemodel_reset(prog);
6075 }
6076
6077 // #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
6078 // does URI escaping on a string (replace evil stuff by %AB escapes)
6079 void VM_uri_escape (prvm_prog_t *prog)
6080 {
6081         char src[VM_STRINGTEMP_LENGTH];
6082         char dest[VM_STRINGTEMP_LENGTH];
6083         char *p, *q;
6084         static const char *hex = "0123456789ABCDEF";
6085
6086         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
6087         VM_VarString(prog, 0, src, sizeof(src));
6088
6089         for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
6090         {
6091                 if((*p >= 'A' && *p <= 'Z')
6092                         || (*p >= 'a' && *p <= 'z')
6093                         || (*p >= '0' && *p <= '9')
6094                         || (*p == '-')  || (*p == '_') || (*p == '.')
6095                         || (*p == '!')  || (*p == '~')
6096                         || (*p == '\'') || (*p == '(') || (*p == ')'))
6097                         *q++ = *p;
6098                 else
6099                 {
6100                         *q++ = '%';
6101                         *q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
6102                         *q++ = hex[ *(unsigned char *)p       & 0xF];
6103                 }
6104         }
6105         *q++ = 0;
6106
6107         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, dest);
6108 }
6109
6110 // #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
6111 // does URI unescaping on a string (get back the evil stuff)
6112 void VM_uri_unescape (prvm_prog_t *prog)
6113 {
6114         char src[VM_STRINGTEMP_LENGTH];
6115         char dest[VM_STRINGTEMP_LENGTH];
6116         char *p, *q;
6117         int hi, lo;
6118
6119         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
6120         VM_VarString(prog, 0, src, sizeof(src));
6121
6122         for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
6123         {
6124                 if(*p == '%')
6125                 {
6126                         if(p[1] >= '0' && p[1] <= '9')
6127                                 hi = p[1] - '0';
6128                         else if(p[1] >= 'a' && p[1] <= 'f')
6129                                 hi = p[1] - 'a' + 10;
6130                         else if(p[1] >= 'A' && p[1] <= 'F')
6131                                 hi = p[1] - 'A' + 10;
6132                         else
6133                                 goto nohex;
6134                         if(p[2] >= '0' && p[2] <= '9')
6135                                 lo = p[2] - '0';
6136                         else if(p[2] >= 'a' && p[2] <= 'f')
6137                                 lo = p[2] - 'a' + 10;
6138                         else if(p[2] >= 'A' && p[2] <= 'F')
6139                                 lo = p[2] - 'A' + 10;
6140                         else
6141                                 goto nohex;
6142                         if(hi != 0 || lo != 0) // don't unescape NUL bytes
6143                                 *q++ = (char) (hi * 0x10 + lo);
6144                         p += 3;
6145                         continue;
6146                 }
6147
6148 nohex:
6149                 // otherwise:
6150                 *q++ = *p++;
6151         }
6152         *q++ = 0;
6153
6154         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, dest);
6155 }
6156
6157 // #502 string(string filename) whichpack (DP_QC_WHICHPACK)
6158 // returns the name of the pack containing a file, or "" if it is not in any pack (but local or non-existant)
6159 void VM_whichpack (prvm_prog_t *prog)
6160 {
6161         const char *fn, *pack;
6162
6163         VM_SAFEPARMCOUNT(1, VM_whichpack);
6164         fn = PRVM_G_STRING(OFS_PARM0);
6165         pack = FS_WhichPack(fn);
6166
6167         PRVM_G_INT(OFS_RETURN) = pack ? PRVM_SetTempString(prog, pack) : 0;
6168 }
6169
6170 typedef struct
6171 {
6172         prvm_prog_t *prog;
6173         double starttime;
6174         float id;
6175         char buffer[MAX_INPUTLINE];
6176         char posttype[128];
6177         unsigned char *postdata; // free when uri_to_prog_t is freed
6178         size_t postlen;
6179         char *sigdata; // free when uri_to_prog_t is freed
6180         size_t siglen;
6181 }
6182 uri_to_prog_t;
6183
6184 static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
6185 {
6186         prvm_prog_t *prog;
6187         uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
6188
6189         prog = handle->prog;
6190         if(!prog->loaded)
6191         {
6192                 // curl reply came too late... so just drop it
6193                 if(handle->postdata)
6194                         Z_Free(handle->postdata);
6195                 if(handle->sigdata)
6196                         Z_Free(handle->sigdata);
6197                 Z_Free(handle);
6198                 return;
6199         }
6200
6201         if((prog->starttime == handle->starttime) && (PRVM_allfunction(URI_Get_Callback)))
6202         {
6203                 if(length_received >= sizeof(handle->buffer))
6204                         length_received = sizeof(handle->buffer) - 1;
6205                 handle->buffer[length_received] = 0;
6206
6207                 PRVM_G_FLOAT(OFS_PARM0) = handle->id;
6208                 PRVM_G_FLOAT(OFS_PARM1) = status;
6209                 PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, handle->buffer);
6210                 prog->ExecuteProgram(prog, PRVM_allfunction(URI_Get_Callback), "QC function URI_Get_Callback is missing");
6211         }
6212
6213         if(handle->postdata)
6214                 Z_Free(handle->postdata);
6215         if(handle->sigdata)
6216                 Z_Free(handle->sigdata);
6217         Z_Free(handle);
6218 }
6219
6220 // 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
6221 // 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
6222 void VM_uri_get (prvm_prog_t *prog)
6223 {
6224         const char *url;
6225         float id;
6226         qboolean ret;
6227         uri_to_prog_t *handle;
6228         const char *posttype = NULL;
6229         const char *postseparator = NULL;
6230         int poststringbuffer = -1;
6231         int postkeyid = -1;
6232         const char *query_string = NULL;
6233         size_t lq;
6234
6235         if(!PRVM_allfunction(URI_Get_Callback))
6236                 prog->error_cmd("uri_get called by %s without URI_Get_Callback defined", prog->name);
6237
6238         VM_SAFEPARMCOUNTRANGE(2, 6, VM_uri_get);
6239
6240         url = PRVM_G_STRING(OFS_PARM0);
6241         id = PRVM_G_FLOAT(OFS_PARM1);
6242         if(prog->argc >= 3)
6243                 posttype = PRVM_G_STRING(OFS_PARM2);
6244         if(prog->argc >= 4)
6245                 postseparator = PRVM_G_STRING(OFS_PARM3);
6246         if(prog->argc >= 5)
6247                 poststringbuffer = PRVM_G_FLOAT(OFS_PARM4);
6248         if(prog->argc >= 6)
6249                 postkeyid = PRVM_G_FLOAT(OFS_PARM5);
6250         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!
6251
6252         query_string = strchr(url, '?');
6253         if(query_string)
6254                 ++query_string;
6255         lq = query_string ? strlen(query_string) : 0;
6256
6257         handle->prog = prog;
6258         handle->starttime = prog->starttime;
6259         handle->id = id;
6260         if(postseparator && posttype && *posttype)
6261         {
6262                 size_t l = strlen(postseparator);
6263                 if(poststringbuffer >= 0)
6264                 {
6265                         size_t ltotal;
6266                         int i;
6267                         // "implode"
6268                         prvm_stringbuffer_t *stringbuffer;
6269                         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, poststringbuffer);
6270                         if(!stringbuffer)
6271                         {
6272                                 VM_Warning(prog, "uri_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
6273                                 return;
6274                         }
6275                         ltotal = 0;
6276                         for(i = 0;i < stringbuffer->num_strings;i++)
6277                         {
6278                                 if(i > 0)
6279                                         ltotal += l;
6280                                 if(stringbuffer->strings[i])
6281                                         ltotal += strlen(stringbuffer->strings[i]);
6282                         }
6283                         handle->postdata = (unsigned char *)Z_Malloc(ltotal + 1 + lq);
6284                         handle->postlen = ltotal;
6285                         ltotal = 0;
6286                         for(i = 0;i < stringbuffer->num_strings;i++)
6287                         {
6288                                 if(i > 0)
6289                                 {
6290                                         memcpy(handle->postdata + ltotal, postseparator, l);
6291                                         ltotal += l;
6292                                 }
6293                                 if(stringbuffer->strings[i])
6294                                 {
6295                                         memcpy(handle->postdata + ltotal, stringbuffer->strings[i], strlen(stringbuffer->strings[i]));
6296                                         ltotal += strlen(stringbuffer->strings[i]);
6297                                 }
6298                         }
6299                         if(ltotal != handle->postlen)
6300                                 prog->error_cmd("%s: string buffer content size mismatch, possible overrun", prog->name);
6301                 }
6302                 else
6303                 {
6304                         handle->postdata = (unsigned char *)Z_Malloc(l + 1 + lq);
6305                         handle->postlen = l;
6306                         memcpy(handle->postdata, postseparator, l);
6307                 }
6308                 handle->postdata[handle->postlen] = 0;
6309                 if(query_string)
6310                         memcpy(handle->postdata + handle->postlen + 1, query_string, lq);
6311                 if(postkeyid >= 0)
6312                 {
6313                         // POST: we sign postdata \0 query string
6314                         size_t ll;
6315                         handle->sigdata = (char *)Z_Malloc(8192);
6316                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6317                         l = strlen(handle->sigdata);
6318                         handle->siglen = Crypto_SignDataDetached(handle->postdata, handle->postlen + 1 + lq, postkeyid, handle->sigdata + l, 8192 - l);
6319                         if(!handle->siglen)
6320                         {
6321                                 Z_Free(handle->sigdata);
6322                                 handle->sigdata = NULL;
6323                                 goto out1;
6324                         }
6325                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6326                         if(!ll)
6327                         {
6328                                 Z_Free(handle->sigdata);
6329                                 handle->sigdata = NULL;
6330                                 goto out1;
6331                         }
6332                         handle->siglen = l + ll;
6333                         handle->sigdata[handle->siglen] = 0;
6334                 }
6335 out1:
6336                 strlcpy(handle->posttype, posttype, sizeof(handle->posttype));
6337                 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);
6338         }
6339         else
6340         {
6341                 if(postkeyid >= 0 && query_string)
6342                 {
6343                         // GET: we sign JUST the query string
6344                         size_t l, ll;
6345                         handle->sigdata = (char *)Z_Malloc(8192);
6346                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6347                         l = strlen(handle->sigdata);
6348                         handle->siglen = Crypto_SignDataDetached(query_string, lq, postkeyid, handle->sigdata + l, 8192 - l);
6349                         if(!handle->siglen)
6350                         {
6351                                 Z_Free(handle->sigdata);
6352                                 handle->sigdata = NULL;
6353                                 goto out2;
6354                         }
6355                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6356                         if(!ll)
6357                         {
6358                                 Z_Free(handle->sigdata);
6359                                 handle->sigdata = NULL;
6360                                 goto out2;
6361                         }
6362                         handle->siglen = l + ll;
6363                         handle->sigdata[handle->siglen] = 0;
6364                 }
6365 out2:
6366                 handle->postdata = NULL;
6367                 handle->postlen = 0;
6368                 ret = Curl_Begin_ToMemory_POST(url, handle->sigdata, 0, NULL, NULL, 0, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
6369         }
6370         if(ret)
6371         {
6372                 PRVM_G_INT(OFS_RETURN) = 1;
6373         }
6374         else
6375         {
6376                 if(handle->postdata)
6377                         Z_Free(handle->postdata);
6378                 if(handle->sigdata)
6379                         Z_Free(handle->sigdata);
6380                 Z_Free(handle);
6381                 PRVM_G_INT(OFS_RETURN) = 0;
6382         }
6383 }
6384
6385 void VM_netaddress_resolve (prvm_prog_t *prog)
6386 {
6387         const char *ip;
6388         char normalized[128];
6389         int port;
6390         lhnetaddress_t addr;
6391
6392         VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
6393
6394         ip = PRVM_G_STRING(OFS_PARM0);
6395         port = 0;
6396         if(prog->argc > 1)
6397                 port = (int) PRVM_G_FLOAT(OFS_PARM1);
6398
6399         if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
6400                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, normalized);
6401         else
6402                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
6403 }
6404
6405 //string(prvm_prog_t *prog) getextresponse = #624; // returns the next extResponse packet that was sent to this client
6406 void VM_CL_getextresponse (prvm_prog_t *prog)
6407 {
6408         VM_SAFEPARMCOUNT(0,VM_argv);
6409
6410         if (cl_net_extresponse_count <= 0)
6411                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6412         else
6413         {
6414                 int first;
6415                 --cl_net_extresponse_count;
6416                 first = (cl_net_extresponse_last + NET_EXTRESPONSE_MAX - cl_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6417                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, cl_net_extresponse[first]);
6418         }
6419 }
6420
6421 void VM_SV_getextresponse (prvm_prog_t *prog)
6422 {
6423         VM_SAFEPARMCOUNT(0,VM_argv);
6424
6425         if (sv_net_extresponse_count <= 0)
6426                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6427         else
6428         {
6429                 int first;
6430                 --sv_net_extresponse_count;
6431                 first = (sv_net_extresponse_last + NET_EXTRESPONSE_MAX - sv_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6432                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, sv_net_extresponse[first]);
6433         }
6434 }
6435
6436 /*
6437 =========
6438 Common functions between menu.dat and clsprogs
6439 =========
6440 */
6441
6442 //#349 float() isdemo
6443 void VM_CL_isdemo (prvm_prog_t *prog)
6444 {
6445         VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
6446         PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
6447 }
6448
6449 //#355 float() videoplaying
6450 void VM_CL_videoplaying (prvm_prog_t *prog)
6451 {
6452         VM_SAFEPARMCOUNT(0, VM_CL_videoplaying);
6453         PRVM_G_FLOAT(OFS_RETURN) = cl_videoplaying;
6454 }
6455
6456 /*
6457 =========
6458 VM_M_callfunction
6459
6460         callfunction(...,string function_name)
6461 Extension: pass
6462 =========
6463 */
6464 void VM_callfunction(prvm_prog_t *prog)
6465 {
6466         mfunction_t *func;
6467         const char *s;
6468
6469         VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
6470
6471         s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
6472
6473         VM_CheckEmptyString(prog, s);
6474
6475         func = PRVM_ED_FindFunction(prog, s);
6476
6477         if(!func)
6478                 prog->error_cmd("VM_callfunciton: function %s not found !", s);
6479         else if (func->first_statement < 0)
6480         {
6481                 // negative statements are built in functions
6482                 int builtinnumber = -func->first_statement;
6483                 prog->xfunction->builtinsprofile++;
6484                 if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
6485                         prog->builtins[builtinnumber](prog);
6486                 else
6487                         prog->error_cmd("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, prog->name);
6488         }
6489         else if(func - prog->functions > 0)
6490         {
6491                 prog->argc--;
6492                 prog->ExecuteProgram(prog, func - prog->functions,"");
6493                 prog->argc++;
6494         }
6495 }
6496
6497 /*
6498 =========
6499 VM_isfunction
6500
6501 float   isfunction(string function_name)
6502 =========
6503 */
6504 void VM_isfunction(prvm_prog_t *prog)
6505 {
6506         mfunction_t *func;
6507         const char *s;
6508
6509         VM_SAFEPARMCOUNT(1, VM_isfunction);
6510
6511         s = PRVM_G_STRING(OFS_PARM0);
6512
6513         VM_CheckEmptyString(prog, s);
6514
6515         func = PRVM_ED_FindFunction(prog, s);
6516
6517         if(!func)
6518                 PRVM_G_FLOAT(OFS_RETURN) = false;
6519         else
6520                 PRVM_G_FLOAT(OFS_RETURN) = true;
6521 }
6522
6523 /*
6524 =========
6525 VM_sprintf
6526
6527 string sprintf(string format, ...)
6528 =========
6529 */
6530
6531 void VM_sprintf(prvm_prog_t *prog)
6532 {
6533         const char *s, *s0;
6534         char outbuf[MAX_INPUTLINE];
6535         char *o = outbuf, *end = outbuf + sizeof(outbuf), *err;
6536         const char *p;
6537         int argpos = 1;
6538         int width, precision, thisarg, flags;
6539         char formatbuf[16];
6540         char *f;
6541         int isfloat;
6542         static prvm_int_t dummyivec[3] = {0, 0, 0};
6543         static prvm_vec_t dummyvec[3] = {0, 0, 0};
6544         char vabuf[1024];
6545
6546 #define PRINTF_ALTERNATE 1
6547 #define PRINTF_ZEROPAD 2
6548 #define PRINTF_LEFT 4
6549 #define PRINTF_SPACEPOSITIVE 8
6550 #define PRINTF_SIGNPOSITIVE 16
6551
6552         formatbuf[0] = '%';
6553
6554         s = PRVM_G_STRING(OFS_PARM0);
6555
6556 #define GETARG_FLOAT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_FLOAT(OFS_PARM0 + 3 * (a))) : 0)
6557 #define GETARG_VECTOR(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyvec)
6558 #define GETARG_INT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_INT(OFS_PARM0 + 3 * (a))) : 0)
6559 #define GETARG_INTVECTOR(a) (((a)>=1 && (a)<prog->argc) ? ((prvm_int_t*) PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyivec)
6560 #define GETARG_STRING(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_STRING(OFS_PARM0 + 3 * (a))) : "")
6561
6562         for(;;)
6563         {
6564                 s0 = s;
6565                 switch(*s)
6566                 {
6567                         case 0:
6568                                 goto finished;
6569                         case '%':
6570                                 ++s;
6571
6572                                 if(*s == '%')
6573                                         goto verbatim;
6574
6575                                 // complete directive format:
6576                                 // %3$*1$.*2$ld
6577
6578                                 width = -1;
6579                                 precision = -1;
6580                                 thisarg = -1;
6581                                 flags = 0;
6582                                 isfloat = -1;
6583
6584                                 // is number following?
6585                                 if(*s >= '0' && *s <= '9')
6586                                 {
6587                                         width = strtol(s, &err, 10);
6588                                         if(!err)
6589                                         {
6590                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6591                                                 goto finished;
6592                                         }
6593                                         if(*err == '$')
6594                                         {
6595                                                 thisarg = width;
6596                                                 width = -1;
6597                                                 s = err + 1;
6598                                         }
6599                                         else
6600                                         {
6601                                                 if(*s == '0')
6602                                                 {
6603                                                         flags |= PRINTF_ZEROPAD;
6604                                                         if(width == 0)
6605                                                                 width = -1; // it was just a flag
6606                                                 }
6607                                                 s = err;
6608                                         }
6609                                 }
6610
6611                                 if(width < 0)
6612                                 {
6613                                         for(;;)
6614                                         {
6615                                                 switch(*s)
6616                                                 {
6617                                                         case '#': flags |= PRINTF_ALTERNATE; break;
6618                                                         case '0': flags |= PRINTF_ZEROPAD; break;
6619                                                         case '-': flags |= PRINTF_LEFT; break;
6620                                                         case ' ': flags |= PRINTF_SPACEPOSITIVE; break;
6621                                                         case '+': flags |= PRINTF_SIGNPOSITIVE; break;
6622                                                         default:
6623                                                                 goto noflags;
6624                                                 }
6625                                                 ++s;
6626                                         }
6627 noflags:
6628                                         if(*s == '*')
6629                                         {
6630                                                 ++s;
6631                                                 if(*s >= '0' && *s <= '9')
6632                                                 {
6633                                                         width = strtol(s, &err, 10);
6634                                                         if(!err || *err != '$')
6635                                                         {
6636                                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6637                                                                 goto finished;
6638                                                         }
6639                                                         s = err + 1;
6640                                                 }
6641                                                 else
6642                                                         width = argpos++;
6643                                                 width = GETARG_FLOAT(width);
6644                                                 if(width < 0)
6645                                                 {
6646                                                         flags |= PRINTF_LEFT;
6647                                                         width = -width;
6648                                                 }
6649                                         }
6650                                         else if(*s >= '0' && *s <= '9')
6651                                         {
6652                                                 width = strtol(s, &err, 10);
6653                                                 if(!err)
6654                                                 {
6655                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6656                                                         goto finished;
6657                                                 }
6658                                                 s = err;
6659                                                 if(width < 0)
6660                                                 {
6661                                                         flags |= PRINTF_LEFT;
6662                                                         width = -width;
6663                                                 }
6664                                         }
6665                                         // otherwise width stays -1
6666                                 }
6667
6668                                 if(*s == '.')
6669                                 {
6670                                         ++s;
6671                                         if(*s == '*')
6672                                         {
6673                                                 ++s;
6674                                                 if(*s >= '0' && *s <= '9')
6675                                                 {
6676                                                         precision = strtol(s, &err, 10);
6677                                                         if(!err || *err != '$')
6678                                                         {
6679                                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6680                                                                 goto finished;
6681                                                         }
6682                                                         s = err + 1;
6683                                                 }
6684                                                 else
6685                                                         precision = argpos++;
6686                                                 precision = GETARG_FLOAT(precision);
6687                                         }
6688                                         else if(*s >= '0' && *s <= '9')
6689                                         {
6690                                                 precision = strtol(s, &err, 10);
6691                                                 if(!err)
6692                                                 {
6693                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6694                                                         goto finished;
6695                                                 }
6696                                                 s = err;
6697                                         }
6698                                         else
6699                                         {
6700                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6701                                                 goto finished;
6702                                         }
6703                                 }
6704
6705                                 for(;;)
6706                                 {
6707                                         switch(*s)
6708                                         {
6709                                                 case 'h': isfloat = 1; break;
6710                                                 case 'l': isfloat = 0; break;
6711                                                 case 'L': isfloat = 0; break;
6712                                                 case 'j': break;
6713                                                 case 'z': break;
6714                                                 case 't': break;
6715                                                 default:
6716                                                         goto nolength;
6717                                         }
6718                                         ++s;
6719                                 }
6720 nolength:
6721
6722                                 // now s points to the final directive char and is no longer changed
6723                                 if(isfloat < 0)
6724                                 {
6725                                         if(*s == 'i')
6726                                                 isfloat = 0;
6727                                         else
6728                                                 isfloat = 1;
6729                                 }
6730
6731                                 if(thisarg < 0)
6732                                         thisarg = argpos++;
6733
6734                                 if(o < end - 1)
6735                                 {
6736                                         f = &formatbuf[1];
6737                                         if(*s != 's' && *s != 'c')
6738                                                 if(flags & PRINTF_ALTERNATE) *f++ = '#';
6739                                         if(flags & PRINTF_ZEROPAD) *f++ = '0';
6740                                         if(flags & PRINTF_LEFT) *f++ = '-';
6741                                         if(flags & PRINTF_SPACEPOSITIVE) *f++ = ' ';
6742                                         if(flags & PRINTF_SIGNPOSITIVE) *f++ = '+';
6743                                         *f++ = '*';
6744                                         if(precision >= 0)
6745                                         {
6746                                                 *f++ = '.';
6747                                                 *f++ = '*';
6748                                         }
6749                                         if(*s == 'd' || *s == 'i' || *s == 'o' || *s == 'u' || *s == 'x' || *s == 'X')
6750                                         {
6751                                                 // make it use a good integer type
6752                                                 for(p = INT_LOSSLESS_FORMAT_SIZE; *p; )
6753                                                         *f++ = *p++;
6754                                         }
6755                                         *f++ = *s;
6756                                         *f++ = 0;
6757
6758                                         if(width < 0) // not set
6759                                                 width = 0;
6760
6761                                         switch(*s)
6762                                         {
6763                                                 case 'd': case 'i':
6764                                                         if(precision < 0) // not set
6765                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? INT_LOSSLESS_FORMAT_CONVERT_S(GETARG_FLOAT(thisarg)) : INT_LOSSLESS_FORMAT_CONVERT_S(GETARG_INT(thisarg))));
6766                                                         else
6767                                                                 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))));
6768                                                         break;
6769                                                 case 'o': case 'u': case 'x': case 'X':
6770                                                         if(precision < 0) // not set
6771                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? INT_LOSSLESS_FORMAT_CONVERT_U(GETARG_FLOAT(thisarg)) : INT_LOSSLESS_FORMAT_CONVERT_U(GETARG_INT(thisarg))));
6772                                                         else
6773                                                                 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))));
6774                                                         break;
6775                                                 case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
6776                                                         if(precision < 0) // not set
6777                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6778                                                         else
6779                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6780                                                         break;
6781                                                 case 'v': case 'V':
6782                                                         f[-2] += 'g' - 'v';
6783                                                         if(precision < 0) // not set
6784                                                                 o += dpsnprintf(o, end - o, va(vabuf, sizeof(vabuf), "%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6785                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6786                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6787                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6788                                                                 );
6789                                                         else
6790                                                                 o += dpsnprintf(o, end - o, va(vabuf, sizeof(vabuf), "%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6791                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6792                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6793                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6794                                                                 );
6795                                                         break;
6796                                                 case 'c':
6797                                                         if(flags & PRINTF_ALTERNATE)
6798                                                         {
6799                                                                 if(precision < 0) // not set
6800                                                                         o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6801                                                                 else
6802                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6803                                                         }
6804                                                         else
6805                                                         {
6806                                                                 unsigned int c = (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg));
6807                                                                 char charbuf16[16];
6808                                                                 const char *buf = u8_encodech(c, NULL, charbuf16);
6809                                                                 if(!buf)
6810                                                                         buf = "";
6811                                                                 if(precision < 0) // not set
6812                                                                         precision = end - o - 1;
6813                                                                 o += u8_strpad(o, end - o, buf, (flags & PRINTF_LEFT) != 0, width, precision);
6814                                                         }
6815                                                         break;
6816                                                 case 's':
6817                                                         if(flags & PRINTF_ALTERNATE)
6818                                                         {
6819                                                                 if(precision < 0) // not set
6820                                                                         o += dpsnprintf(o, end - o, formatbuf, width, GETARG_STRING(thisarg));
6821                                                                 else
6822                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, GETARG_STRING(thisarg));
6823                                                         }
6824                                                         else
6825                                                         {
6826                                                                 if(precision < 0) // not set
6827                                                                         precision = end - o - 1;
6828                                                                 if(flags & PRINTF_SIGNPOSITIVE)
6829                                                                         o += u8_strpad(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6830                                                                 else
6831                                                                         o += u8_strpad_colorcodes(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6832                                                         }
6833                                                         break;
6834                                                 default:
6835                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6836                                                         goto finished;
6837                                         }
6838                                 }
6839                                 ++s;
6840                                 break;
6841                         default:
6842 verbatim:
6843                                 if(o < end - 1)
6844                                         *o++ = *s;
6845                                 ++s;
6846                                 break;
6847                 }
6848         }
6849 finished:
6850         *o = 0;
6851         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, outbuf);
6852 }
6853
6854
6855 // surface querying
6856
6857 static dp_model_t *getmodel(prvm_prog_t *prog, prvm_edict_t *ed)
6858 {
6859         if (prog == SVVM_prog)
6860                 return SV_GetModelFromEdict(ed);
6861         else if (prog == CLVM_prog)
6862                 return CL_GetModelFromEdict(ed);
6863         else
6864                 return NULL;
6865 }
6866
6867 struct animatemodel_cache
6868 {
6869         dp_model_t *model;
6870         frameblend_t frameblend[MAX_FRAMEBLENDS];
6871         skeleton_t *skeleton_p;
6872         skeleton_t skeleton;
6873         float *data_vertex3f;
6874         float *data_svector3f;
6875         float *data_tvector3f;
6876         float *data_normal3f;
6877         int max_vertices;
6878         float *buf_vertex3f;
6879         float *buf_svector3f;
6880         float *buf_tvector3f;
6881         float *buf_normal3f;
6882 };
6883
6884 static void animatemodel_reset(prvm_prog_t *prog)
6885 {
6886         if (!prog->animatemodel_cache)
6887                 return;
6888         if(prog->animatemodel_cache->buf_vertex3f) Mem_Free(prog->animatemodel_cache->buf_vertex3f);
6889         if(prog->animatemodel_cache->buf_svector3f) Mem_Free(prog->animatemodel_cache->buf_svector3f);
6890         if(prog->animatemodel_cache->buf_tvector3f) Mem_Free(prog->animatemodel_cache->buf_tvector3f);
6891         if(prog->animatemodel_cache->buf_normal3f) Mem_Free(prog->animatemodel_cache->buf_normal3f);
6892         Mem_Free(prog->animatemodel_cache);
6893 }
6894
6895 static void animatemodel(prvm_prog_t *prog, dp_model_t *model, prvm_edict_t *ed)
6896 {
6897         skeleton_t *skeleton;
6898         int skeletonindex = -1;
6899         qboolean need = false;
6900         struct animatemodel_cache *animatemodel_cache;
6901         if (!prog->animatemodel_cache)
6902         {
6903                 prog->animatemodel_cache = (struct animatemodel_cache *)Mem_Alloc(prog->progs_mempool, sizeof(struct animatemodel_cache));
6904                 memset(prog->animatemodel_cache, 0, sizeof(struct animatemodel_cache));
6905         }
6906         animatemodel_cache = prog->animatemodel_cache;
6907         if(!(model->surfmesh.isanimated && model->AnimateVertices))
6908         {
6909                 animatemodel_cache->data_vertex3f = model->surfmesh.data_vertex3f;
6910                 animatemodel_cache->data_svector3f = model->surfmesh.data_svector3f;
6911                 animatemodel_cache->data_tvector3f = model->surfmesh.data_tvector3f;
6912                 animatemodel_cache->data_normal3f = model->surfmesh.data_normal3f;
6913                 return;
6914         }
6915         need |= (animatemodel_cache->model != model);
6916         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
6917         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, PRVM_serverglobalfloat(time));
6918         need |= (memcmp(&animatemodel_cache->frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend))) != 0;
6919         skeletonindex = (int)PRVM_gameedictfloat(ed, skeletonindex) - 1;
6920         if (!(skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones))
6921                 skeleton = NULL;
6922         need |= (animatemodel_cache->skeleton_p != skeleton);
6923         if(skeleton)
6924                 need |= (memcmp(&animatemodel_cache->skeleton, skeleton, sizeof(ed->priv.server->skeleton))) != 0;
6925         if(!need)
6926                 return;
6927         if(model->surfmesh.num_vertices > animatemodel_cache->max_vertices)
6928         {
6929                 animatemodel_cache->max_vertices = model->surfmesh.num_vertices * 2;
6930                 if(animatemodel_cache->buf_vertex3f) Mem_Free(animatemodel_cache->buf_vertex3f);
6931                 if(animatemodel_cache->buf_svector3f) Mem_Free(animatemodel_cache->buf_svector3f);
6932                 if(animatemodel_cache->buf_tvector3f) Mem_Free(animatemodel_cache->buf_tvector3f);
6933                 if(animatemodel_cache->buf_normal3f) Mem_Free(animatemodel_cache->buf_normal3f);
6934                 animatemodel_cache->buf_vertex3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache->max_vertices);
6935                 animatemodel_cache->buf_svector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache->max_vertices);
6936                 animatemodel_cache->buf_tvector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache->max_vertices);
6937                 animatemodel_cache->buf_normal3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache->max_vertices);
6938         }
6939         animatemodel_cache->data_vertex3f = animatemodel_cache->buf_vertex3f;
6940         animatemodel_cache->data_svector3f = animatemodel_cache->buf_svector3f;
6941         animatemodel_cache->data_tvector3f = animatemodel_cache->buf_tvector3f;
6942         animatemodel_cache->data_normal3f = animatemodel_cache->buf_normal3f;
6943         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
6944         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);
6945         animatemodel_cache->model = model;
6946         memcpy(&animatemodel_cache->frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
6947         animatemodel_cache->skeleton_p = skeleton;
6948         if(skeleton)
6949                 memcpy(&animatemodel_cache->skeleton, skeleton, sizeof(ed->priv.server->skeleton));
6950 }
6951
6952 static void getmatrix(prvm_prog_t *prog, prvm_edict_t *ed, matrix4x4_t *out)
6953 {
6954         if (prog == SVVM_prog)
6955                 SV_GetEntityMatrix(prog, ed, out, false);
6956         else if (prog == CLVM_prog)
6957                 CL_GetEntityMatrix(prog, ed, out, false);
6958         else
6959                 *out = identitymatrix;
6960 }
6961
6962 static void applytransform_forward(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6963 {
6964         matrix4x4_t m;
6965         getmatrix(prog, ed, &m);
6966         Matrix4x4_Transform(&m, in, out);
6967 }
6968
6969 static void applytransform_forward_direction(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6970 {
6971         matrix4x4_t m;
6972         getmatrix(prog, ed, &m);
6973         Matrix4x4_Transform3x3(&m, in, out);
6974 }
6975
6976 static void applytransform_inverted(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6977 {
6978         matrix4x4_t m, n;
6979         getmatrix(prog, ed, &m);
6980         Matrix4x4_Invert_Full(&n, &m);
6981         Matrix4x4_Transform3x3(&n, in, out);
6982 }
6983
6984 static void applytransform_forward_normal(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6985 {
6986         matrix4x4_t m;
6987         float p[4];
6988         getmatrix(prog, ed, &m);
6989         Matrix4x4_TransformPositivePlane(&m, in[0], in[1], in[2], 0, p);
6990         VectorCopy(p, out);
6991 }
6992
6993 static void clippointtosurface(prvm_prog_t *prog, prvm_edict_t *ed, dp_model_t *model, msurface_t *surface, vec3_t p, vec3_t out)
6994 {
6995         int i, j, k;
6996         float *v[3], facenormal[3], edgenormal[3], sidenormal[3], temp[3], offsetdist, dist, bestdist;
6997         const int *e;
6998         animatemodel(prog, model, ed);
6999         bestdist = 1000000000;
7000         VectorCopy(p, out);
7001         for (i = 0, e = (model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);i < surface->num_triangles;i++, e += 3)
7002         {
7003                 // clip original point to each triangle of the surface and find the
7004                 // triangle that is closest
7005                 v[0] = prog->animatemodel_cache->data_vertex3f + e[0] * 3;
7006                 v[1] = prog->animatemodel_cache->data_vertex3f + e[1] * 3;
7007                 v[2] = prog->animatemodel_cache->data_vertex3f + e[2] * 3;
7008                 TriangleNormal(v[0], v[1], v[2], facenormal);
7009                 VectorNormalize(facenormal);
7010                 offsetdist = DotProduct(v[0], facenormal) - DotProduct(p, facenormal);
7011                 VectorMA(p, offsetdist, facenormal, temp);
7012                 for (j = 0, k = 2;j < 3;k = j, j++)
7013                 {
7014                         VectorSubtract(v[k], v[j], edgenormal);
7015                         CrossProduct(edgenormal, facenormal, sidenormal);
7016                         VectorNormalize(sidenormal);
7017                         offsetdist = DotProduct(v[k], sidenormal) - DotProduct(temp, sidenormal);
7018                         if (offsetdist < 0)
7019                                 VectorMA(temp, offsetdist, sidenormal, temp);
7020                 }
7021                 dist = VectorDistance2(temp, p);
7022                 if (bestdist > dist)
7023                 {
7024                         bestdist = dist;
7025                         VectorCopy(temp, out);
7026                 }
7027         }
7028 }
7029
7030 static msurface_t *getsurface(dp_model_t *model, int surfacenum)
7031 {
7032         if (surfacenum < 0 || surfacenum >= model->nummodelsurfaces)
7033                 return NULL;
7034         return model->data_surfaces + surfacenum + model->firstmodelsurface;
7035 }
7036
7037
7038 //PF_getsurfacenumpoints, // #434 float(entity e, float s) getsurfacenumpoints = #434;
7039 void VM_getsurfacenumpoints(prvm_prog_t *prog)
7040 {
7041         dp_model_t *model;
7042         msurface_t *surface;
7043         VM_SAFEPARMCOUNT(2, VM_getsurfacenumpoints);
7044         // return 0 if no such surface
7045         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7046         {
7047                 PRVM_G_FLOAT(OFS_RETURN) = 0;
7048                 return;
7049         }
7050
7051         // note: this (incorrectly) assumes it is a simple polygon
7052         PRVM_G_FLOAT(OFS_RETURN) = surface->num_vertices;
7053 }
7054 //PF_getsurfacepoint,     // #435 vector(entity e, float s, float n) getsurfacepoint = #435;
7055 void VM_getsurfacepoint(prvm_prog_t *prog)
7056 {
7057         prvm_edict_t *ed;
7058         dp_model_t *model;
7059         msurface_t *surface;
7060         int pointnum;
7061         vec3_t result;
7062         VM_SAFEPARMCOUNT(3, VM_getsurfacepoint);
7063         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7064         ed = PRVM_G_EDICT(OFS_PARM0);
7065         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7066                 return;
7067         // note: this (incorrectly) assumes it is a simple polygon
7068         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
7069         if (pointnum < 0 || pointnum >= surface->num_vertices)
7070                 return;
7071         animatemodel(prog, model, ed);
7072         applytransform_forward(prog, &(prog->animatemodel_cache->data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7073         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7074 }
7075 //PF_getsurfacepointattribute,     // #486 vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
7076 // float SPA_POSITION = 0;
7077 // float SPA_S_AXIS = 1;
7078 // float SPA_T_AXIS = 2;
7079 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
7080 // float SPA_TEXCOORDS0 = 4;
7081 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
7082 // float SPA_LIGHTMAP0_COLOR = 6;
7083 void VM_getsurfacepointattribute(prvm_prog_t *prog)
7084 {
7085         prvm_edict_t *ed;
7086         dp_model_t *model;
7087         msurface_t *surface;
7088         int pointnum;
7089         int attributetype;
7090         vec3_t result;
7091
7092         VM_SAFEPARMCOUNT(4, VM_getsurfacepoint);
7093         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7094         ed = PRVM_G_EDICT(OFS_PARM0);
7095         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7096                 return;
7097         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
7098         if (pointnum < 0 || pointnum >= surface->num_vertices)
7099                 return;
7100         attributetype = (int) PRVM_G_FLOAT(OFS_PARM3);
7101
7102         animatemodel(prog, model, ed);
7103
7104         switch( attributetype ) {
7105                 // float SPA_POSITION = 0;
7106                 case 0:
7107                         applytransform_forward(prog, &(prog->animatemodel_cache->data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7108                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7109                         break;
7110                 // float SPA_S_AXIS = 1;
7111                 case 1:
7112                         applytransform_forward_direction(prog, &(prog->animatemodel_cache->data_svector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7113                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7114                         break;
7115                 // float SPA_T_AXIS = 2;
7116                 case 2:
7117                         applytransform_forward_direction(prog, &(prog->animatemodel_cache->data_tvector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7118                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7119                         break;
7120                 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
7121                 case 3:
7122                         applytransform_forward_direction(prog, &(prog->animatemodel_cache->data_normal3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7123                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7124                         break;
7125                 // float SPA_TEXCOORDS0 = 4;
7126                 case 4: {
7127                         float *texcoord = &(model->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[pointnum * 2];
7128                         result[0] = texcoord[0];
7129                         result[1] = texcoord[1];
7130                         result[2] = 0.0f;
7131                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7132                         break;
7133                 }
7134                 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
7135                 case 5: {
7136                         float *texcoord = &(model->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[pointnum * 2];
7137                         result[0] = texcoord[0];
7138                         result[1] = texcoord[1];
7139                         result[2] = 0.0f;
7140                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7141                         break;
7142                 }
7143                 // float SPA_LIGHTMAP0_COLOR = 6;
7144                 case 6:
7145                         // ignore alpha for now..
7146                         VectorCopy( &(model->surfmesh.data_lightmapcolor4f + 4 * surface->num_firstvertex)[pointnum * 4], PRVM_G_VECTOR(OFS_RETURN));
7147                         break;
7148                 default:
7149                         VectorSet( PRVM_G_VECTOR(OFS_RETURN), 0.0f, 0.0f, 0.0f );
7150                         break;
7151         }
7152 }
7153 //PF_getsurfacenormal,    // #436 vector(entity e, float s) getsurfacenormal = #436;
7154 void VM_getsurfacenormal(prvm_prog_t *prog)
7155 {
7156         dp_model_t *model;
7157         msurface_t *surface;
7158         vec3_t normal;
7159         vec3_t result;
7160         VM_SAFEPARMCOUNT(2, VM_getsurfacenormal);
7161         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7162         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7163                 return;
7164         // note: this only returns the first triangle, so it doesn't work very
7165         // well for curved surfaces or arbitrary meshes
7166         animatemodel(prog, model, PRVM_G_EDICT(OFS_PARM0));
7167         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);
7168         applytransform_forward_normal(prog, normal, PRVM_G_EDICT(OFS_PARM0), result);
7169         VectorNormalize(result);
7170         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7171 }
7172 //PF_getsurfacetexture,   // #437 string(entity e, float s) getsurfacetexture = #437;
7173 void VM_getsurfacetexture(prvm_prog_t *prog)
7174 {
7175         dp_model_t *model;
7176         msurface_t *surface;
7177         VM_SAFEPARMCOUNT(2, VM_getsurfacetexture);
7178         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
7179         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7180                 return;
7181         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, surface->texture->name);
7182 }
7183 //PF_getsurfacenearpoint, // #438 float(entity e, vector p) getsurfacenearpoint = #438;
7184 void VM_getsurfacenearpoint(prvm_prog_t *prog)
7185 {
7186         int surfacenum, best;
7187         vec3_t clipped, p;
7188         vec_t dist, bestdist;
7189         prvm_edict_t *ed;
7190         dp_model_t *model;
7191         msurface_t *surface;
7192         vec3_t point;
7193         VM_SAFEPARMCOUNT(2, VM_getsurfacenearpoint);
7194         PRVM_G_FLOAT(OFS_RETURN) = -1;
7195         ed = PRVM_G_EDICT(OFS_PARM0);
7196         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), point);
7197
7198         if (!ed || ed->priv.server->free)
7199                 return;
7200         model = getmodel(prog, ed);
7201         if (!model || !model->num_surfaces)
7202                 return;
7203
7204         animatemodel(prog, model, ed);
7205
7206         applytransform_inverted(prog, point, ed, p);
7207         best = -1;
7208         bestdist = 1000000000;
7209         for (surfacenum = 0;surfacenum < model->nummodelsurfaces;surfacenum++)
7210         {
7211                 surface = model->data_surfaces + surfacenum + model->firstmodelsurface;
7212                 // first see if the nearest point on the surface's box is closer than the previous match
7213                 clipped[0] = bound(surface->mins[0], p[0], surface->maxs[0]) - p[0];
7214                 clipped[1] = bound(surface->mins[1], p[1], surface->maxs[1]) - p[1];
7215                 clipped[2] = bound(surface->mins[2], p[2], surface->maxs[2]) - p[2];
7216                 dist = VectorLength2(clipped);
7217                 if (dist < bestdist)
7218                 {
7219                         // it is, check the nearest point on the actual geometry
7220                         clippointtosurface(prog, ed, model, surface, p, clipped);
7221                         VectorSubtract(clipped, p, clipped);
7222                         dist += VectorLength2(clipped);
7223                         if (dist < bestdist)
7224                         {
7225                                 // that's closer too, store it as the best match
7226                                 best = surfacenum;
7227                                 bestdist = dist;
7228                         }
7229                 }
7230         }
7231         PRVM_G_FLOAT(OFS_RETURN) = best;
7232 }
7233 //PF_getsurfaceclippedpoint, // #439 vector(entity e, float s, vector p) getsurfaceclippedpoint = #439;
7234 void VM_getsurfaceclippedpoint(prvm_prog_t *prog)
7235 {
7236         prvm_edict_t *ed;
7237         dp_model_t *model;
7238         msurface_t *surface;
7239         vec3_t p, out, inp;
7240         VM_SAFEPARMCOUNT(3, VM_te_getsurfaceclippedpoint);
7241         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7242         ed = PRVM_G_EDICT(OFS_PARM0);
7243         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7244                 return;
7245         animatemodel(prog, model, ed);
7246         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), inp);
7247         applytransform_inverted(prog, inp, ed, p);
7248         clippointtosurface(prog, ed, model, surface, p, out);
7249         VectorAdd(out, PRVM_serveredictvector(ed, origin), PRVM_G_VECTOR(OFS_RETURN));
7250 }
7251
7252 //PF_getsurfacenumtriangles, // #??? float(entity e, float s) getsurfacenumtriangles = #???;
7253 void VM_getsurfacenumtriangles(prvm_prog_t *prog)
7254 {
7255        dp_model_t *model;
7256        msurface_t *surface;
7257        VM_SAFEPARMCOUNT(2, VM_SV_getsurfacenumtriangles);
7258        // return 0 if no such surface
7259        if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7260        {
7261                PRVM_G_FLOAT(OFS_RETURN) = 0;
7262                return;
7263        }
7264
7265        PRVM_G_FLOAT(OFS_RETURN) = surface->num_triangles;
7266 }
7267 //PF_getsurfacetriangle,     // #??? vector(entity e, float s, float n) getsurfacetriangle = #???;
7268 void VM_getsurfacetriangle(prvm_prog_t *prog)
7269 {
7270        const vec3_t d = {-1, -1, -1};
7271        prvm_edict_t *ed;
7272        dp_model_t *model;
7273        msurface_t *surface;
7274        int trinum;
7275        VM_SAFEPARMCOUNT(3, VM_SV_getsurfacetriangle);
7276        VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7277        ed = PRVM_G_EDICT(OFS_PARM0);
7278        if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7279                return;
7280        trinum = (int)PRVM_G_FLOAT(OFS_PARM2);
7281        if (trinum < 0 || trinum >= surface->num_triangles)
7282                return;
7283        // FIXME: implement rotation/scaling
7284        VectorMA(&(model->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[trinum * 3], surface->num_firstvertex, d, PRVM_G_VECTOR(OFS_RETURN));
7285 }
7286
7287 //
7288 // physics builtins
7289 //
7290
7291 #define VM_physics_ApplyCmd(ed,f) if (!ed->priv.server->ode_body) VM_physics_newstackfunction(prog, ed, f); else World_Physics_ApplyCmd(ed, f)
7292
7293 static edict_odefunc_t *VM_physics_newstackfunction(prvm_prog_t *prog, prvm_edict_t *ed, edict_odefunc_t *f)
7294 {
7295         edict_odefunc_t *newfunc, *func;
7296
7297         newfunc = (edict_odefunc_t *)Mem_Alloc(prog->progs_mempool, sizeof(edict_odefunc_t));
7298         memcpy(newfunc, f, sizeof(edict_odefunc_t));
7299         newfunc->next = NULL;
7300         if (!ed->priv.server->ode_func)
7301                 ed->priv.server->ode_func = newfunc;
7302         else
7303         {
7304                 for (func = ed->priv.server->ode_func; func->next; func = func->next);
7305                 func->next = newfunc;
7306         }
7307         return newfunc;
7308 }
7309
7310 // void(entity e, float physics_enabled) physics_enable = #;
7311 void VM_physics_enable(prvm_prog_t *prog)
7312 {
7313         prvm_edict_t *ed;
7314         edict_odefunc_t f;
7315
7316         VM_SAFEPARMCOUNT(2, VM_physics_enable);
7317         ed = PRVM_G_EDICT(OFS_PARM0);
7318         if (!ed)
7319         {
7320                 if (developer.integer > 0)
7321                         VM_Warning(prog, "VM_physics_enable: null entity!\n");
7322                 return;
7323         }
7324         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7325         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7326         {
7327                 VM_Warning(prog, "VM_physics_enable: entity is not MOVETYPE_PHYSICS!\n");
7328                 return;
7329         }
7330         f.type = PRVM_G_FLOAT(OFS_PARM1) == 0 ? ODEFUNC_DISABLE : ODEFUNC_ENABLE;
7331         VM_physics_ApplyCmd(ed, &f);
7332 }
7333
7334 // void(entity e, vector force, vector relative_ofs) physics_addforce = #;
7335 void VM_physics_addforce(prvm_prog_t *prog)
7336 {
7337         prvm_edict_t *ed;
7338         edict_odefunc_t f;
7339
7340         VM_SAFEPARMCOUNT(3, VM_physics_addforce);
7341         ed = PRVM_G_EDICT(OFS_PARM0);
7342         if (!ed)
7343         {
7344                 if (developer.integer > 0)
7345                         VM_Warning(prog, "VM_physics_addforce: 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_addforce: entity is not MOVETYPE_PHYSICS!\n");
7352                 return;
7353         }
7354         f.type = ODEFUNC_FORCE;
7355         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7356         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), f.v2);
7357         VM_physics_ApplyCmd(ed, &f);
7358 }
7359
7360 // void(entity e, vector torque) physics_addtorque = #;
7361 void VM_physics_addtorque(prvm_prog_t *prog)
7362 {
7363         prvm_edict_t *ed;
7364         edict_odefunc_t f;
7365
7366         VM_SAFEPARMCOUNT(2, VM_physics_addtorque);
7367         ed = PRVM_G_EDICT(OFS_PARM0);
7368         if (!ed)
7369         {
7370                 if (developer.integer > 0)
7371                         VM_Warning(prog, "VM_physics_addtorque: null entity!\n");
7372                 return;
7373         }
7374         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7375         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7376         {
7377                 VM_Warning(prog, "VM_physics_addtorque: entity is not MOVETYPE_PHYSICS!\n");
7378                 return;
7379         }
7380         f.type = ODEFUNC_TORQUE;
7381         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7382         VM_physics_ApplyCmd(ed, &f);
7383 }
7384
7385 extern cvar_t prvm_coverage;
7386 void VM_coverage(prvm_prog_t *prog)
7387 {
7388         VM_SAFEPARMCOUNT(0, VM_coverage);
7389         if (prog->explicit_profile[prog->xstatement]++ == 0 && (prvm_coverage.integer & 2))
7390                 PRVM_ExplicitCoverageEvent(prog, prog->xfunction, prog->xstatement);
7391 }