prvm_cmds.c

   1 // AK
   2 // Basically every vm builtin cmd should be in here.
   3 // All 3 builtin and extension lists can be found here
   4 // cause large (I think they will) parts are from pr_cmds the same copyright like in pr_cmds
   5 // also applies here
   6
   7 #include "quakedef.h"
   8
   9 #include "prvm_cmds.h"
  10 #include "libcurl.h"
  11 #include <time.h>
  12
  13 #include "cl_collision.h"
  14 #include "clvm_cmds.h"
  15 #include "csprogs.h"
  16 #include "ft2.h"
  17 #include "mdfour.h"
  18
  19 extern cvar_t prvm_backtraceforwarnings;
  20 #ifdef USEODE
  21 extern dllhandle_t ode_dll;
  22 #endif
  23
  24 // LordHavoc: changed this to NOT use a return statement, so that it can be used in functions that must return a value
  25 void VM_Warning(prvm_prog_t *prog, const char *fmt, ...)
  26 {
  27         va_list argptr;
  28         char msg[MAX_INPUTLINE];
  29         static double recursive = -1;
  30
  31         va_start(argptr,fmt);
  32         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
  33         va_end(argptr);
  34
  35         Con_Print(msg);
  36
  37         // TODO: either add a cvar/cmd to control the state dumping or replace some of the calls with Con_Printf [9/13/2006 Black]
  38         if(prvm_backtraceforwarnings.integer && recursive != realtime) // NOTE: this compares to the time, just in case if PRVM_PrintState causes a Host_Error and keeps recursive set
  39         {
  40                 recursive = realtime;
  41                 PRVM_PrintState(prog, 0);
  42                 recursive = -1;
  43         }
  44 }
  45
  46
  47 //============================================================================
  48 // Common
  49
  50 // TODO DONE: move vm_files and vm_fssearchlist to prvm_prog_t struct
  51 // TODO: move vm_files and vm_fssearchlist back [9/13/2006 Black]
  52 // TODO: (move vm_files and vm_fssearchlist to prvm_prog_t struct again) [2007-01-23 LordHavoc]
  53 // TODO: will this war ever end? [2007-01-23 LordHavoc]
  54
  55 void VM_CheckEmptyString(prvm_prog_t *prog, const char *s)
  56 {
  57         if (ISWHITESPACE(s[0]))
  58                 prog->error_cmd("%s: Bad string", prog->name);
  59 }
  60
  61 void VM_GenerateFrameGroupBlend(prvm_prog_t *prog, framegroupblend_t *framegroupblend, const prvm_edict_t *ed)
  62 {
  63         // self.frame is the interpolation target (new frame)
  64         // self.frame1time is the animation base time for the interpolation target
  65         // self.frame2 is the interpolation start (previous frame)
  66         // self.frame2time is the animation base time for the interpolation start
  67         // self.lerpfrac is the interpolation strength for self.frame2
  68         // self.lerpfrac3 is the interpolation strength for self.frame3
  69         // self.lerpfrac4 is the interpolation strength for self.frame4
  70         // pitch angle on a player model where the animator set up 5 sets of
  71         // animations and the csqc simply lerps between sets)
  72         framegroupblend[0].frame = (int) PRVM_gameedictfloat(ed, frame     );
  73         framegroupblend[1].frame = (int) PRVM_gameedictfloat(ed, frame2    );
  74         framegroupblend[2].frame = (int) PRVM_gameedictfloat(ed, frame3    );
  75         framegroupblend[3].frame = (int) PRVM_gameedictfloat(ed, frame4    );
  76         framegroupblend[0].start =       PRVM_gameedictfloat(ed, frame1time);
  77         framegroupblend[1].start =       PRVM_gameedictfloat(ed, frame2time);
  78         framegroupblend[2].start =       PRVM_gameedictfloat(ed, frame3time);
  79         framegroupblend[3].start =       PRVM_gameedictfloat(ed, frame4time);
  80         framegroupblend[1].lerp  =       PRVM_gameedictfloat(ed, lerpfrac  );
  81         framegroupblend[2].lerp  =       PRVM_gameedictfloat(ed, lerpfrac3 );
  82         framegroupblend[3].lerp  =       PRVM_gameedictfloat(ed, lerpfrac4 );
  83         // assume that the (missing) lerpfrac1 is whatever remains after lerpfrac2+lerpfrac3+lerpfrac4 are summed
  84         framegroupblend[0].lerp = 1 - framegroupblend[1].lerp - framegroupblend[2].lerp - framegroupblend[3].lerp;
  85 }
  86
  87 // LordHavoc: quite tempting to break apart this function to reuse the
  88 //            duplicated code, but I suspect it is better for performance
  89 //            this way
  90 void VM_FrameBlendFromFrameGroupBlend(frameblend_t *frameblend, const framegroupblend_t *framegroupblend, const dp_model_t *model, double curtime)
  91 {
  92         int sub2, numframes, f, i, k;
  93         int isfirstframegroup = true;
  94         int nolerp;
  95         double sublerp, lerp, d;
  96         const animscene_t *scene;
  97         const framegroupblend_t *g;
  98         frameblend_t *blend = frameblend;
  99
 100         memset(blend, 0, MAX_FRAMEBLENDS * sizeof(*blend));
 101
 102         // rpolzer: Not testing isanimated here - a model might have
 103         // "animations" that move no vertices (but only bones), thus rendering
 104         // may assume it's not animated while processing can't.
 105         if (!model)
 106         {
 107                 blend[0].lerp = 1;
 108                 return;
 109         }
 110
 111         nolerp = (model->type == mod_sprite) ? !r_lerpsprites.integer : !r_lerpmodels.integer;
 112         numframes = model->numframes;
 113         for (k = 0, g = framegroupblend;k < MAX_FRAMEGROUPBLENDS;k++, g++)
 114         {
 115                 f = g->frame;
 116                 if ((unsigned int)f >= (unsigned int)numframes)
 117                 {
 118                         if (developer_extra.integer)
 119                                 Con_DPrintf("VM_FrameBlendFromFrameGroupBlend: no such frame %d in model %s\n", f, model->name);
 120                         f = 0;
 121                 }
 122                 d = lerp = g->lerp;
 123                 if (lerp <= 0)
 124                         continue;
 125                 if (nolerp)
 126                 {
 127                         if (isfirstframegroup)
 128                         {
 129                                 d = lerp = 1;
 130                                 isfirstframegroup = false;
 131                         }
 132                         else
 133                                 continue;
 134                 }
 135                 if (model->animscenes)
 136                 {
 137                         scene = model->animscenes + f;
 138                         f = scene->firstframe;
 139                         if (scene->framecount > 1)
 140                         {
 141                                 // this code path is only used on .zym models and torches
 142                                 sublerp = scene->framerate * (curtime - g->start);
 143                                 f = (int) floor(sublerp);
 144                                 sublerp -= f;
 145                                 sub2 = f + 1;
 146                                 if (sublerp < (1.0 / 65536.0f))
 147                                         sublerp = 0;
 148                                 if (sublerp > (65535.0f / 65536.0f))
 149                                         sublerp = 1;
 150                                 if (nolerp)
 151                                         sublerp = 0;
 152                                 if (scene->loop)
 153                                 {
 154                                         f = (f % scene->framecount);
 155                                         sub2 = (sub2 % scene->framecount);
 156                                 }
 157                                 f = bound(0, f, (scene->framecount - 1)) + scene->firstframe;
 158                                 sub2 = bound(0, sub2, (scene->framecount - 1)) + scene->firstframe;
 159                                 d = sublerp * lerp;
 160                                 // two framelerps produced from one animation
 161                                 if (d > 0)
 162                                 {
 163                                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 164                                         {
 165                                                 if (blend[i].lerp <= 0 || blend[i].subframe == sub2)
 166                                                 {
 167                                                         blend[i].subframe = sub2;
 168                                                         blend[i].lerp += d;
 169                                                         break;
 170                                                 }
 171                                         }
 172                                 }
 173                                 d = (1 - sublerp) * lerp;
 174                         }
 175                 }
 176                 if (d > 0)
 177                 {
 178                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
 179                         {
 180                                 if (blend[i].lerp <= 0 || blend[i].subframe == f)
 181                                 {
 182                                         blend[i].subframe = f;
 183                                         blend[i].lerp += d;
 184                                         break;
 185                                 }
 186                         }
 187                 }
 188         }
 189 }
 190
 191 void VM_UpdateEdictSkeleton(prvm_prog_t *prog, prvm_edict_t *ed, const dp_model_t *edmodel, const frameblend_t *frameblend)
 192 {
 193         if (ed->priv.server->skeleton.model != edmodel)
 194         {
 195                 VM_RemoveEdictSkeleton(prog, ed);
 196                 ed->priv.server->skeleton.model = edmodel;
 197         }
 198         if (!ed->priv.server->skeleton.model || !ed->priv.server->skeleton.model->num_bones)
 199         {
 200                 if(ed->priv.server->skeleton.relativetransforms)
 201                         Mem_Free(ed->priv.server->skeleton.relativetransforms);
 202                 ed->priv.server->skeleton.relativetransforms = NULL;
 203                 return;
 204         }
 205
 206         {
 207                 int skeletonindex = -1;
 208                 skeleton_t *skeleton;
 209                 skeletonindex = (int)PRVM_gameedictfloat(ed, skeletonindex) - 1;
 210                 if (skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones)
 211                 {
 212                         // custom skeleton controlled by the game (FTE_CSQC_SKELETONOBJECTS)
 213                         if (!ed->priv.server->skeleton.relativetransforms)
 214                                 ed->priv.server->skeleton.relativetransforms = (matrix4x4_t *)Mem_Alloc(prog->progs_mempool, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 215                         memcpy(ed->priv.server->skeleton.relativetransforms, skeleton->relativetransforms, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
 216                 }
 217                 else
 218                 {
 219                         if(ed->priv.server->skeleton.relativetransforms)
 220                                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 221                         ed->priv.server->skeleton.relativetransforms = NULL;
 222                 }
 223         }
 224 }
 225
 226 void VM_RemoveEdictSkeleton(prvm_prog_t *prog, prvm_edict_t *ed)
 227 {
 228         if (ed->priv.server->skeleton.relativetransforms)
 229                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
 230         memset(&ed->priv.server->skeleton, 0, sizeof(ed->priv.server->skeleton));
 231 }
 232
 233
 234
 235
 236 //============================================================================
 237 //BUILT-IN FUNCTIONS
 238
 239 void VM_VarString(prvm_prog_t *prog, int first, char *out, int outlength)
 240 {
 241         int i;
 242         const char *s;
 243         char *outend;
 244
 245         outend = out + outlength - 1;
 246         for (i = first;i < prog->argc && out < outend;i++)
 247         {
 248                 s = PRVM_G_STRING((OFS_PARM0+i*3));
 249                 while (out < outend && *s)
 250                         *out++ = *s++;
 251         }
 252         *out++ = 0;
 253 }
 254
 255 /*
 256 =================
 257 VM_checkextension
 258
 259 returns true if the extension is supported by the server
 260
 261 checkextension(extensionname)
 262 =================
 263 */
 264
 265 // kind of helper function
 266 static qboolean checkextension(prvm_prog_t *prog, const char *name)
 267 {
 268         int len;
 269         const char *e, *start;
 270         len = (int)strlen(name);
 271
 272         for (e = prog->extensionstring;*e;e++)
 273         {
 274                 while (*e == ' ')
 275                         e++;
 276                 if (!*e)
 277                         break;
 278                 start = e;
 279                 while (*e && *e != ' ')
 280                         e++;
 281                 if ((e - start) == len && !strncasecmp(start, name, len))
 282                 {
 283 #ifdef USEODE
 284                         // special sheck for ODE
 285                         if (!strncasecmp("DP_PHYSICS_ODE", name, 14))
 286                         {
 287 #ifndef LINK_TO_LIBODE
 288                                 return ode_dll ? true : false;
 289 #else
 290 #ifdef LINK_TO_LIBODE
 291                                 return true;
 292 #else
 293                                 return false;
 294 #endif
 295 #endif
 296                         }
 297 #endif
 298
 299                         // special sheck for d0_blind_id
 300                         if (!strcasecmp("DP_CRYPTO", name))
 301                                 return Crypto_Available();
 302                         if (!strcasecmp("DP_QC_DIGEST_SHA256", name))
 303                                 return Crypto_Available();
 304
 305                         return true;
 306                 }
 307         }
 308         return false;
 309 }
 310
 311 void VM_checkextension(prvm_prog_t *prog)
 312 {
 313         VM_SAFEPARMCOUNT(1,VM_checkextension);
 314
 315         PRVM_G_FLOAT(OFS_RETURN) = checkextension(prog, PRVM_G_STRING(OFS_PARM0));
 316 }
 317
 318 /*
 319 =================
 320 VM_error
 321
 322 This is a TERMINAL error, which will kill off the entire prog.
 323 Dumps self.
 324
 325 error(value)
 326 =================
 327 */
 328 void VM_error(prvm_prog_t *prog)
 329 {
 330         prvm_edict_t    *ed;
 331         char string[VM_STRINGTEMP_LENGTH];
 332
 333         VM_VarString(prog, 0, string, sizeof(string));
 334         Con_Printf("======%s ERROR in %s:\n%s\n", prog->name, PRVM_GetString(prog, prog->xfunction->s_name), string);
 335         ed = PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self));
 336         PRVM_ED_Print(prog, ed, NULL);
 337
 338         prog->error_cmd("%s: Program error in function %s:\n%s\nTip: read above for entity information\n", prog->name, PRVM_GetString(prog, prog->xfunction->s_name), string);
 339 }
 340
 341 /*
 342 =================
 343 VM_objerror
 344
 345 Dumps out self, then an error message.  The program is aborted and self is
 346 removed, but the level can continue.
 347
 348 objerror(value)
 349 =================
 350 */
 351 void VM_objerror(prvm_prog_t *prog)
 352 {
 353         prvm_edict_t    *ed;
 354         char string[VM_STRINGTEMP_LENGTH];
 355
 356         VM_VarString(prog, 0, string, sizeof(string));
 357         Con_Printf("======OBJECT ERROR======\n"); // , prog->name, PRVM_GetString(prog->xfunction->s_name), string); // or include them? FIXME
 358         ed = PRVM_PROG_TO_EDICT(PRVM_allglobaledict(self));
 359         PRVM_ED_Print(prog, ed, NULL);
 360         PRVM_ED_Free (prog, ed);
 361         Con_Printf("%s OBJECT ERROR in %s:\n%s\nTip: read above for entity information\n", prog->name, PRVM_GetString(prog, prog->xfunction->s_name), string);
 362 }
 363
 364 /*
 365 =================
 366 VM_print
 367
 368 print to console
 369
 370 print(...[string])
 371 =================
 372 */
 373 void VM_print(prvm_prog_t *prog)
 374 {
 375         char string[VM_STRINGTEMP_LENGTH];
 376
 377         VM_VarString(prog, 0, string, sizeof(string));
 378         Con_Print(string);
 379 }
 380
 381 /*
 382 =================
 383 VM_bprint
 384
 385 broadcast print to everyone on server
 386
 387 bprint(...[string])
 388 =================
 389 */
 390 void VM_bprint(prvm_prog_t *prog)
 391 {
 392         char string[VM_STRINGTEMP_LENGTH];
 393
 394         if(!sv.active)
 395         {
 396                 VM_Warning(prog, "VM_bprint: game is not server(%s) !\n", prog->name);
 397                 return;
 398         }
 399
 400         VM_VarString(prog, 0, string, sizeof(string));
 401         SV_BroadcastPrint(string);
 402 }
 403
 404 /*
 405 =================
 406 VM_sprint (menu & client but only if server.active == true)
 407
 408 single print to a specific client
 409
 410 sprint(float clientnum,...[string])
 411 =================
 412 */
 413 void VM_sprint(prvm_prog_t *prog)
 414 {
 415         client_t        *client;
 416         int                     clientnum;
 417         char string[VM_STRINGTEMP_LENGTH];
 418
 419         VM_SAFEPARMCOUNTRANGE(1, 8, VM_sprint);
 420
 421         //find client for this entity
 422         clientnum = (int)PRVM_G_FLOAT(OFS_PARM0);
 423         if (!sv.active  || clientnum < 0 || clientnum >= svs.maxclients || !svs.clients[clientnum].active)
 424         {
 425                 VM_Warning(prog, "VM_sprint: %s: invalid client or server is not active !\n", prog->name);
 426                 return;
 427         }
 428
 429         client = svs.clients + clientnum;
 430         if (!client->netconnection)
 431                 return;
 432
 433         VM_VarString(prog, 1, string, sizeof(string));
 434         MSG_WriteChar(&client->netconnection->message,svc_print);
 435         MSG_WriteString(&client->netconnection->message, string);
 436 }
 437
 438 /*
 439 =================
 440 VM_centerprint
 441
 442 single print to the screen
 443
 444 centerprint(value)
 445 =================
 446 */
 447 void VM_centerprint(prvm_prog_t *prog)
 448 {
 449         char string[VM_STRINGTEMP_LENGTH];
 450
 451         VM_SAFEPARMCOUNTRANGE(1, 8, VM_centerprint);
 452         VM_VarString(prog, 0, string, sizeof(string));
 453         SCR_CenterPrint(string);
 454 }
 455
 456 /*
 457 =================
 458 VM_normalize
 459
 460 vector normalize(vector)
 461 =================
 462 */
 463 void VM_normalize(prvm_prog_t *prog)
 464 {
 465         prvm_vec_t      *value1;
 466         vec3_t  newvalue;
 467         double  f;
 468
 469         VM_SAFEPARMCOUNT(1,VM_normalize);
 470
 471         value1 = PRVM_G_VECTOR(OFS_PARM0);
 472
 473         f = VectorLength2(value1);
 474         if (f)
 475         {
 476                 f = 1.0 / sqrt(f);
 477                 VectorScale(value1, f, newvalue);
 478         }
 479         else
 480                 VectorClear(newvalue);
 481
 482         VectorCopy (newvalue, PRVM_G_VECTOR(OFS_RETURN));
 483 }
 484
 485 /*
 486 =================
 487 VM_vlen
 488
 489 scalar vlen(vector)
 490 =================
 491 */
 492 void VM_vlen(prvm_prog_t *prog)
 493 {
 494         VM_SAFEPARMCOUNT(1,VM_vlen);
 495         PRVM_G_FLOAT(OFS_RETURN) = VectorLength(PRVM_G_VECTOR(OFS_PARM0));
 496 }
 497
 498 /*
 499 =================
 500 VM_vectoyaw
 501
 502 float vectoyaw(vector)
 503 =================
 504 */
 505 void VM_vectoyaw(prvm_prog_t *prog)
 506 {
 507         prvm_vec_t      *value1;
 508         prvm_vec_t      yaw;
 509
 510         VM_SAFEPARMCOUNT(1,VM_vectoyaw);
 511
 512         value1 = PRVM_G_VECTOR(OFS_PARM0);
 513
 514         if (value1[1] == 0 && value1[0] == 0)
 515                 yaw = 0;
 516         else
 517         {
 518                 yaw = (int) (atan2(value1[1], value1[0]) * 180 / M_PI);
 519                 if (yaw < 0)
 520                         yaw += 360;
 521         }
 522
 523         PRVM_G_FLOAT(OFS_RETURN) = yaw;
 524 }
 525
 526
 527 /*
 528 =================
 529 VM_vectoangles
 530
 531 vector vectoangles(vector[, vector])
 532 =================
 533 */
 534 void VM_vectoangles(prvm_prog_t *prog)
 535 {
 536         vec3_t result, forward, up;
 537         VM_SAFEPARMCOUNTRANGE(1, 2,VM_vectoangles);
 538
 539         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), forward);
 540         if (prog->argc >= 2)
 541         {
 542                 VectorCopy(PRVM_G_VECTOR(OFS_PARM1), up);
 543                 AnglesFromVectors(result, forward, up, true);
 544         }
 545         else
 546                 AnglesFromVectors(result, forward, NULL, true);
 547         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
 548 }
 549
 550 /*
 551 =================
 552 VM_random
 553
 554 Returns a number from 0<= num < 1
 555
 556 float random()
 557 =================
 558 */
 559 void VM_random(prvm_prog_t *prog)
 560 {
 561         VM_SAFEPARMCOUNT(0,VM_random);
 562
 563         PRVM_G_FLOAT(OFS_RETURN) = lhrandom(0, 1);
 564 }
 565
 566 /*
 567 =========
 568 VM_localsound
 569
 570 localsound(string sample)
 571 =========
 572 */
 573 void VM_localsound(prvm_prog_t *prog)
 574 {
 575         const char *s;
 576
 577         VM_SAFEPARMCOUNT(1,VM_localsound);
 578
 579         s = PRVM_G_STRING(OFS_PARM0);
 580
 581         if(!S_LocalSound (s))
 582         {
 583                 PRVM_G_FLOAT(OFS_RETURN) = -4;
 584                 VM_Warning(prog, "VM_localsound: Failed to play %s for %s !\n", s, prog->name);
 585                 return;
 586         }
 587
 588         PRVM_G_FLOAT(OFS_RETURN) = 1;
 589 }
 590
 591 /*
 592 =================
 593 VM_break
 594
 595 break()
 596 =================
 597 */
 598 void VM_break(prvm_prog_t *prog)
 599 {
 600         prog->error_cmd("%s: break statement", prog->name);
 601 }
 602
 603 //============================================================================
 604
 605 /*
 606 =================
 607 VM_localcmd
 608
 609 Sends text over to the client's execution buffer
 610
 611 [localcmd (string, ...) or]
 612 cmd (string, ...)
 613 =================
 614 */
 615 void VM_localcmd(prvm_prog_t *prog)
 616 {
 617         char string[VM_STRINGTEMP_LENGTH];
 618         VM_SAFEPARMCOUNTRANGE(1, 8, VM_localcmd);
 619         VM_VarString(prog, 0, string, sizeof(string));
 620         Cbuf_AddText(string);
 621 }
 622
 623 static qboolean PRVM_Cvar_ReadOk(const char *string)
 624 {
 625         cvar_t *cvar;
 626         cvar = Cvar_FindVar(string);
 627         return ((cvar) && ((cvar->flags & CVAR_PRIVATE) == 0));
 628 }
 629
 630 /*
 631 =================
 632 VM_cvar
 633
 634 float cvar (string)
 635 =================
 636 */
 637 void VM_cvar(prvm_prog_t *prog)
 638 {
 639         char string[VM_STRINGTEMP_LENGTH];
 640         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 641         VM_VarString(prog, 0, string, sizeof(string));
 642         VM_CheckEmptyString(prog, string);
 643         PRVM_G_FLOAT(OFS_RETURN) = PRVM_Cvar_ReadOk(string) ? Cvar_VariableValue(string) : 0;
 644 }
 645
 646 /*
 647 =================
 648 VM_cvar
 649
 650 float cvar_type (string)
 651 float CVAR_TYPEFLAG_EXISTS = 1;
 652 float CVAR_TYPEFLAG_SAVED = 2;
 653 float CVAR_TYPEFLAG_PRIVATE = 4;
 654 float CVAR_TYPEFLAG_ENGINE = 8;
 655 float CVAR_TYPEFLAG_HASDESCRIPTION = 16;
 656 float CVAR_TYPEFLAG_READONLY = 32;
 657 =================
 658 */
 659 void VM_cvar_type(prvm_prog_t *prog)
 660 {
 661         char string[VM_STRINGTEMP_LENGTH];
 662         cvar_t *cvar;
 663         int ret;
 664
 665         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
 666         VM_VarString(prog, 0, string, sizeof(string));
 667         VM_CheckEmptyString(prog, string);
 668         cvar = Cvar_FindVar(string);
 669
 670
 671         if(!cvar)
 672         {
 673                 PRVM_G_FLOAT(OFS_RETURN) = 0;
 674                 return; // CVAR_TYPE_NONE
 675         }
 676
 677         ret = 1; // CVAR_EXISTS
 678         if(cvar->flags & CVAR_SAVE)
 679                 ret |= 2; // CVAR_TYPE_SAVED
 680         if(cvar->flags & CVAR_PRIVATE)
 681                 ret |= 4; // CVAR_TYPE_PRIVATE
 682         if(!(cvar->flags & CVAR_ALLOCATED))
 683                 ret |= 8; // CVAR_TYPE_ENGINE
 684         if(cvar->description != cvar_dummy_description)
 685                 ret |= 16; // CVAR_TYPE_HASDESCRIPTION
 686         if(cvar->flags & CVAR_READONLY)
 687                 ret |= 32; // CVAR_TYPE_READONLY
 688
 689         PRVM_G_FLOAT(OFS_RETURN) = ret;
 690 }
 691
 692 /*
 693 =================
 694 VM_cvar_string
 695
 696 const string    VM_cvar_string (string, ...)
 697 =================
 698 */
 699 void VM_cvar_string(prvm_prog_t *prog)
 700 {
 701         char string[VM_STRINGTEMP_LENGTH];
 702         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_string);
 703         VM_VarString(prog, 0, string, sizeof(string));
 704         VM_CheckEmptyString(prog, string);
 705         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, PRVM_Cvar_ReadOk(string) ? Cvar_VariableString(string) : "");
 706 }
 707
 708
 709 /*
 710 ========================
 711 VM_cvar_defstring
 712
 713 const string    VM_cvar_defstring (string, ...)
 714 ========================
 715 */
 716 void VM_cvar_defstring(prvm_prog_t *prog)
 717 {
 718         char string[VM_STRINGTEMP_LENGTH];
 719         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_defstring);
 720         VM_VarString(prog, 0, string, sizeof(string));
 721         VM_CheckEmptyString(prog, string);
 722         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Cvar_VariableDefString(string));
 723 }
 724
 725 /*
 726 ========================
 727 VM_cvar_defstring
 728
 729 const string    VM_cvar_description (string, ...)
 730 ========================
 731 */
 732 void VM_cvar_description(prvm_prog_t *prog)
 733 {
 734         char string[VM_STRINGTEMP_LENGTH];
 735         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_description);
 736         VM_VarString(prog, 0, string, sizeof(string));
 737         VM_CheckEmptyString(prog, string);
 738         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Cvar_VariableDescription(string));
 739 }
 740 /*
 741 =================
 742 VM_cvar_set
 743
 744 void cvar_set (string,string, ...)
 745 =================
 746 */
 747 void VM_cvar_set(prvm_prog_t *prog)
 748 {
 749         const char *name;
 750         char string[VM_STRINGTEMP_LENGTH];
 751         VM_SAFEPARMCOUNTRANGE(2,8,VM_cvar_set);
 752         VM_VarString(prog, 1, string, sizeof(string));
 753         name = PRVM_G_STRING(OFS_PARM0);
 754         VM_CheckEmptyString(prog, name);
 755         Cvar_Set(name, string);
 756 }
 757
 758 /*
 759 =========
 760 VM_dprint
 761
 762 dprint(...[string])
 763 =========
 764 */
 765 void VM_dprint(prvm_prog_t *prog)
 766 {
 767         char string[VM_STRINGTEMP_LENGTH];
 768         VM_SAFEPARMCOUNTRANGE(1, 8, VM_dprint);
 769         VM_VarString(prog, 0, string, sizeof(string));
 770 #if 1
 771         Con_DPrintf("%s", string);
 772 #else
 773         Con_DPrintf("%s: %s", prog->name, string);
 774 #endif
 775 }
 776
 777 /*
 778 =========
 779 VM_ftos
 780
 781 string  ftos(float)
 782 =========
 783 */
 784
 785 void VM_ftos(prvm_prog_t *prog)
 786 {
 787         prvm_vec_t v;
 788         char s[128];
 789
 790         VM_SAFEPARMCOUNT(1, VM_ftos);
 791
 792         v = PRVM_G_FLOAT(OFS_PARM0);
 793
 794         if ((prvm_vec_t)((prvm_int_t)v) == v)
 795                 dpsnprintf(s, sizeof(s), "%.0f", v);
 796         else
 797                 dpsnprintf(s, sizeof(s), "%f", v);
 798         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
 799 }
 800
 801 /*
 802 =========
 803 VM_fabs
 804
 805 float   fabs(float)
 806 =========
 807 */
 808
 809 void VM_fabs(prvm_prog_t *prog)
 810 {
 811         prvm_vec_t v;
 812
 813         VM_SAFEPARMCOUNT(1,VM_fabs);
 814
 815         v = PRVM_G_FLOAT(OFS_PARM0);
 816         PRVM_G_FLOAT(OFS_RETURN) = fabs(v);
 817 }
 818
 819 /*
 820 =========
 821 VM_vtos
 822
 823 string  vtos(vector)
 824 =========
 825 */
 826
 827 void VM_vtos(prvm_prog_t *prog)
 828 {
 829         char s[512];
 830
 831         VM_SAFEPARMCOUNT(1,VM_vtos);
 832
 833         dpsnprintf (s, sizeof(s), "'%5.1f %5.1f %5.1f'", PRVM_G_VECTOR(OFS_PARM0)[0], PRVM_G_VECTOR(OFS_PARM0)[1], PRVM_G_VECTOR(OFS_PARM0)[2]);
 834         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
 835 }
 836
 837 /*
 838 =========
 839 VM_etos
 840
 841 string  etos(entity)
 842 =========
 843 */
 844
 845 void VM_etos(prvm_prog_t *prog)
 846 {
 847         char s[128];
 848
 849         VM_SAFEPARMCOUNT(1, VM_etos);
 850
 851         dpsnprintf (s, sizeof(s), "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
 852         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
 853 }
 854
 855 /*
 856 =========
 857 VM_stof
 858
 859 float stof(...[string])
 860 =========
 861 */
 862 void VM_stof(prvm_prog_t *prog)
 863 {
 864         char string[VM_STRINGTEMP_LENGTH];
 865         VM_SAFEPARMCOUNTRANGE(1, 8, VM_stof);
 866         VM_VarString(prog, 0, string, sizeof(string));
 867         PRVM_G_FLOAT(OFS_RETURN) = atof(string);
 868 }
 869
 870 /*
 871 ========================
 872 VM_itof
 873
 874 float itof(int ent)
 875 ========================
 876 */
 877 void VM_itof(prvm_prog_t *prog)
 878 {
 879         VM_SAFEPARMCOUNT(1, VM_itof);
 880         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
 881 }
 882
 883 /*
 884 ========================
 885 VM_ftoe
 886
 887 entity ftoe(float num)
 888 ========================
 889 */
 890 void VM_ftoe(prvm_prog_t *prog)
 891 {
 892         prvm_int_t ent;
 893         VM_SAFEPARMCOUNT(1, VM_ftoe);
 894
 895         ent = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM0);
 896         if (ent < 0 || ent >= prog->max_edicts || PRVM_PROG_TO_EDICT(ent)->priv.required->free)
 897                 ent = 0; // return world instead of a free or invalid entity
 898
 899         PRVM_G_INT(OFS_RETURN) = ent;
 900 }
 901
 902 /*
 903 ========================
 904 VM_etof
 905
 906 float etof(entity ent)
 907 ========================
 908 */
 909 void VM_etof(prvm_prog_t *prog)
 910 {
 911         VM_SAFEPARMCOUNT(1, VM_etof);
 912         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICTNUM(OFS_PARM0);
 913 }
 914
 915 /*
 916 =========
 917 VM_strftime
 918
 919 string strftime(float uselocaltime, string[, string ...])
 920 =========
 921 */
 922 void VM_strftime(prvm_prog_t *prog)
 923 {
 924         time_t t;
 925 #if _MSC_VER >= 1400
 926         struct tm tm;
 927         int tmresult;
 928 #else
 929         struct tm *tm;
 930 #endif
 931         char fmt[VM_STRINGTEMP_LENGTH];
 932         char result[VM_STRINGTEMP_LENGTH];
 933         VM_SAFEPARMCOUNTRANGE(2, 8, VM_strftime);
 934         VM_VarString(prog, 1, fmt, sizeof(fmt));
 935         t = time(NULL);
 936 #if _MSC_VER >= 1400
 937         if (PRVM_G_FLOAT(OFS_PARM0))
 938                 tmresult = localtime_s(&tm, &t);
 939         else
 940                 tmresult = gmtime_s(&tm, &t);
 941         if (!tmresult)
 942 #else
 943         if (PRVM_G_FLOAT(OFS_PARM0))
 944                 tm = localtime(&t);
 945         else
 946                 tm = gmtime(&t);
 947         if (!tm)
 948 #endif
 949         {
 950                 PRVM_G_INT(OFS_RETURN) = 0;
 951                 return;
 952         }
 953 #if _MSC_VER >= 1400
 954         strftime(result, sizeof(result), fmt, &tm);
 955 #else
 956         strftime(result, sizeof(result), fmt, tm);
 957 #endif
 958         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, result);
 959 }
 960
 961 /*
 962 =========
 963 VM_spawn
 964
 965 entity spawn()
 966 =========
 967 */
 968
 969 void VM_spawn(prvm_prog_t *prog)
 970 {
 971         prvm_edict_t    *ed;
 972         VM_SAFEPARMCOUNT(0, VM_spawn);
 973         prog->xfunction->builtinsprofile += 20;
 974         ed = PRVM_ED_Alloc(prog);
 975         VM_RETURN_EDICT(ed);
 976 }
 977
 978 /*
 979 =========
 980 VM_remove
 981
 982 remove(entity e)
 983 =========
 984 */
 985
 986 void VM_remove(prvm_prog_t *prog)
 987 {
 988         prvm_edict_t    *ed;
 989         prog->xfunction->builtinsprofile += 20;
 990
 991         VM_SAFEPARMCOUNT(1, VM_remove);
 992
 993         ed = PRVM_G_EDICT(OFS_PARM0);
 994         if( PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
 995         {
 996                 if (developer.integer > 0)
 997                         VM_Warning(prog, "VM_remove: tried to remove the null entity or a reserved entity!\n" );
 998         }
 999         else if( ed->priv.required->free )
1000         {
1001                 if (developer.integer > 0)
1002                         VM_Warning(prog, "VM_remove: tried to remove an already freed entity!\n" );
1003         }
1004         else
1005                 PRVM_ED_Free (prog, ed);
1006 }
1007
1008 /*
1009 =========
1010 VM_find
1011
1012 entity  find(entity start, .string field, string match)
1013 =========
1014 */
1015
1016 void VM_find(prvm_prog_t *prog)
1017 {
1018         int             e;
1019         int             f;
1020         const char      *s, *t;
1021         prvm_edict_t    *ed;
1022
1023         VM_SAFEPARMCOUNT(3,VM_find);
1024
1025         e = PRVM_G_EDICTNUM(OFS_PARM0);
1026         f = PRVM_G_INT(OFS_PARM1);
1027         s = PRVM_G_STRING(OFS_PARM2);
1028
1029         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1030         // expects it to find all the monsters, so we must be careful to support
1031         // searching for ""
1032
1033         for (e++ ; e < prog->num_edicts ; e++)
1034         {
1035                 prog->xfunction->builtinsprofile++;
1036                 ed = PRVM_EDICT_NUM(e);
1037                 if (ed->priv.required->free)
1038                         continue;
1039                 t = PRVM_E_STRING(ed,f);
1040                 if (!t)
1041                         t = "";
1042                 if (!strcmp(t,s))
1043                 {
1044                         VM_RETURN_EDICT(ed);
1045                         return;
1046                 }
1047         }
1048
1049         VM_RETURN_EDICT(prog->edicts);
1050 }
1051
1052 /*
1053 =========
1054 VM_findfloat
1055
1056   entity        findfloat(entity start, .float field, float match)
1057   entity        findentity(entity start, .entity field, entity match)
1058 =========
1059 */
1060 // LordHavoc: added this for searching float, int, and entity reference fields
1061 void VM_findfloat(prvm_prog_t *prog)
1062 {
1063         int             e;
1064         int             f;
1065         float   s;
1066         prvm_edict_t    *ed;
1067
1068         VM_SAFEPARMCOUNT(3,VM_findfloat);
1069
1070         e = PRVM_G_EDICTNUM(OFS_PARM0);
1071         f = PRVM_G_INT(OFS_PARM1);
1072         s = PRVM_G_FLOAT(OFS_PARM2);
1073
1074         for (e++ ; e < prog->num_edicts ; e++)
1075         {
1076                 prog->xfunction->builtinsprofile++;
1077                 ed = PRVM_EDICT_NUM(e);
1078                 if (ed->priv.required->free)
1079                         continue;
1080                 if (PRVM_E_FLOAT(ed,f) == s)
1081                 {
1082                         VM_RETURN_EDICT(ed);
1083                         return;
1084                 }
1085         }
1086
1087         VM_RETURN_EDICT(prog->edicts);
1088 }
1089
1090 /*
1091 =========
1092 VM_findchain
1093
1094 entity  findchain(.string field, string match)
1095 =========
1096 */
1097 // chained search for strings in entity fields
1098 // entity(.string field, string match) findchain = #402;
1099 void VM_findchain(prvm_prog_t *prog)
1100 {
1101         int             i;
1102         int             f;
1103         const char      *s, *t;
1104         prvm_edict_t    *ent, *chain;
1105         int chainfield;
1106
1107         VM_SAFEPARMCOUNTRANGE(2,3,VM_findchain);
1108
1109         if(prog->argc == 3)
1110                 chainfield = PRVM_G_INT(OFS_PARM2);
1111         else
1112                 chainfield = prog->fieldoffsets.chain;
1113         if (chainfield < 0)
1114                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
1115
1116         chain = prog->edicts;
1117
1118         f = PRVM_G_INT(OFS_PARM0);
1119         s = PRVM_G_STRING(OFS_PARM1);
1120
1121         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1122         // expects it to find all the monsters, so we must be careful to support
1123         // searching for ""
1124
1125         ent = PRVM_NEXT_EDICT(prog->edicts);
1126         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1127         {
1128                 prog->xfunction->builtinsprofile++;
1129                 if (ent->priv.required->free)
1130                         continue;
1131                 t = PRVM_E_STRING(ent,f);
1132                 if (!t)
1133                         t = "";
1134                 if (strcmp(t,s))
1135                         continue;
1136
1137                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_NUM_FOR_EDICT(chain);
1138                 chain = ent;
1139         }
1140
1141         VM_RETURN_EDICT(chain);
1142 }
1143
1144 /*
1145 =========
1146 VM_findchainfloat
1147
1148 entity  findchainfloat(.string field, float match)
1149 entity  findchainentity(.string field, entity match)
1150 =========
1151 */
1152 // LordHavoc: chained search for float, int, and entity reference fields
1153 // entity(.string field, float match) findchainfloat = #403;
1154 void VM_findchainfloat(prvm_prog_t *prog)
1155 {
1156         int             i;
1157         int             f;
1158         float   s;
1159         prvm_edict_t    *ent, *chain;
1160         int chainfield;
1161
1162         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainfloat);
1163
1164         if(prog->argc == 3)
1165                 chainfield = PRVM_G_INT(OFS_PARM2);
1166         else
1167                 chainfield = prog->fieldoffsets.chain;
1168         if (chainfield < 0)
1169                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
1170
1171         chain = (prvm_edict_t *)prog->edicts;
1172
1173         f = PRVM_G_INT(OFS_PARM0);
1174         s = PRVM_G_FLOAT(OFS_PARM1);
1175
1176         ent = PRVM_NEXT_EDICT(prog->edicts);
1177         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1178         {
1179                 prog->xfunction->builtinsprofile++;
1180                 if (ent->priv.required->free)
1181                         continue;
1182                 if (PRVM_E_FLOAT(ent,f) != s)
1183                         continue;
1184
1185                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_EDICT_TO_PROG(chain);
1186                 chain = ent;
1187         }
1188
1189         VM_RETURN_EDICT(chain);
1190 }
1191
1192 /*
1193 ========================
1194 VM_findflags
1195
1196 entity  findflags(entity start, .float field, float match)
1197 ========================
1198 */
1199 // LordHavoc: search for flags in float fields
1200 void VM_findflags(prvm_prog_t *prog)
1201 {
1202         prvm_int_t      e;
1203         prvm_int_t      f;
1204         prvm_int_t      s;
1205         prvm_edict_t    *ed;
1206
1207         VM_SAFEPARMCOUNT(3, VM_findflags);
1208
1209
1210         e = PRVM_G_EDICTNUM(OFS_PARM0);
1211         f = PRVM_G_INT(OFS_PARM1);
1212         s = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM2);
1213
1214         for (e++ ; e < prog->num_edicts ; e++)
1215         {
1216                 prog->xfunction->builtinsprofile++;
1217                 ed = PRVM_EDICT_NUM(e);
1218                 if (ed->priv.required->free)
1219                         continue;
1220                 if (!PRVM_E_FLOAT(ed,f))
1221                         continue;
1222                 if ((prvm_int_t)PRVM_E_FLOAT(ed,f) & s)
1223                 {
1224                         VM_RETURN_EDICT(ed);
1225                         return;
1226                 }
1227         }
1228
1229         VM_RETURN_EDICT(prog->edicts);
1230 }
1231
1232 /*
1233 ========================
1234 VM_findchainflags
1235
1236 entity  findchainflags(.float field, float match)
1237 ========================
1238 */
1239 // LordHavoc: chained search for flags in float fields
1240 void VM_findchainflags(prvm_prog_t *prog)
1241 {
1242         prvm_int_t              i;
1243         prvm_int_t              f;
1244         prvm_int_t              s;
1245         prvm_edict_t    *ent, *chain;
1246         int chainfield;
1247
1248         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainflags);
1249
1250         if(prog->argc == 3)
1251                 chainfield = PRVM_G_INT(OFS_PARM2);
1252         else
1253                 chainfield = prog->fieldoffsets.chain;
1254         if (chainfield < 0)
1255                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
1256
1257         chain = (prvm_edict_t *)prog->edicts;
1258
1259         f = PRVM_G_INT(OFS_PARM0);
1260         s = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM1);
1261
1262         ent = PRVM_NEXT_EDICT(prog->edicts);
1263         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1264         {
1265                 prog->xfunction->builtinsprofile++;
1266                 if (ent->priv.required->free)
1267                         continue;
1268                 if (!PRVM_E_FLOAT(ent,f))
1269                         continue;
1270                 if (!((prvm_int_t)PRVM_E_FLOAT(ent,f) & s))
1271                         continue;
1272
1273                 PRVM_EDICTFIELDEDICT(ent,chainfield) = PRVM_EDICT_TO_PROG(chain);
1274                 chain = ent;
1275         }
1276
1277         VM_RETURN_EDICT(chain);
1278 }
1279
1280 /*
1281 =========
1282 VM_precache_sound
1283
1284 string  precache_sound (string sample)
1285 =========
1286 */
1287 void VM_precache_sound(prvm_prog_t *prog)
1288 {
1289         const char *s;
1290
1291         VM_SAFEPARMCOUNT(1, VM_precache_sound);
1292
1293         s = PRVM_G_STRING(OFS_PARM0);
1294         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1295         //VM_CheckEmptyString(prog, s);
1296
1297         if(snd_initialized.integer && !S_PrecacheSound(s, true, true))
1298         {
1299                 VM_Warning(prog, "VM_precache_sound: Failed to load %s for %s\n", s, prog->name);
1300                 return;
1301         }
1302 }
1303
1304 /*
1305 =================
1306 VM_precache_file
1307
1308 returns the same string as output
1309
1310 does nothing, only used by qcc to build .pak archives
1311 =================
1312 */
1313 void VM_precache_file(prvm_prog_t *prog)
1314 {
1315         VM_SAFEPARMCOUNT(1,VM_precache_file);
1316         // precache_file is only used to copy files with qcc, it does nothing
1317         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1318 }
1319
1320 /*
1321 =========
1322 VM_coredump
1323
1324 coredump()
1325 =========
1326 */
1327 void VM_coredump(prvm_prog_t *prog)
1328 {
1329         VM_SAFEPARMCOUNT(0,VM_coredump);
1330
1331         Cbuf_AddText("prvm_edicts ");
1332         Cbuf_AddText(prog->name);
1333         Cbuf_AddText("\n");
1334 }
1335
1336 /*
1337 =========
1338 VM_stackdump
1339
1340 stackdump()
1341 =========
1342 */
1343 void VM_stackdump(prvm_prog_t *prog)
1344 {
1345         VM_SAFEPARMCOUNT(0, VM_stackdump);
1346
1347         PRVM_StackTrace(prog);
1348 }
1349
1350 /*
1351 =========
1352 VM_crash
1353
1354 crash()
1355 =========
1356 */
1357
1358 void VM_crash(prvm_prog_t *prog)
1359 {
1360         VM_SAFEPARMCOUNT(0, VM_crash);
1361
1362         prog->error_cmd("Crash called by %s",prog->name);
1363 }
1364
1365 /*
1366 =========
1367 VM_traceon
1368
1369 traceon()
1370 =========
1371 */
1372 void VM_traceon(prvm_prog_t *prog)
1373 {
1374         VM_SAFEPARMCOUNT(0,VM_traceon);
1375
1376         prog->trace = true;
1377 }
1378
1379 /*
1380 =========
1381 VM_traceoff
1382
1383 traceoff()
1384 =========
1385 */
1386 void VM_traceoff(prvm_prog_t *prog)
1387 {
1388         VM_SAFEPARMCOUNT(0,VM_traceoff);
1389
1390         prog->trace = false;
1391 }
1392
1393 /*
1394 =========
1395 VM_eprint
1396
1397 eprint(entity e)
1398 =========
1399 */
1400 void VM_eprint(prvm_prog_t *prog)
1401 {
1402         VM_SAFEPARMCOUNT(1,VM_eprint);
1403
1404         PRVM_ED_PrintNum (prog, PRVM_G_EDICTNUM(OFS_PARM0), NULL);
1405 }
1406
1407 /*
1408 =========
1409 VM_rint
1410
1411 float   rint(float)
1412 =========
1413 */
1414 void VM_rint(prvm_prog_t *prog)
1415 {
1416         prvm_vec_t f;
1417         VM_SAFEPARMCOUNT(1,VM_rint);
1418
1419         f = PRVM_G_FLOAT(OFS_PARM0);
1420         if (f > 0)
1421                 PRVM_G_FLOAT(OFS_RETURN) = floor(f + 0.5);
1422         else
1423                 PRVM_G_FLOAT(OFS_RETURN) = ceil(f - 0.5);
1424 }
1425
1426 /*
1427 =========
1428 VM_floor
1429
1430 float   floor(float)
1431 =========
1432 */
1433 void VM_floor(prvm_prog_t *prog)
1434 {
1435         VM_SAFEPARMCOUNT(1,VM_floor);
1436
1437         PRVM_G_FLOAT(OFS_RETURN) = floor(PRVM_G_FLOAT(OFS_PARM0));
1438 }
1439
1440 /*
1441 =========
1442 VM_ceil
1443
1444 float   ceil(float)
1445 =========
1446 */
1447 void VM_ceil(prvm_prog_t *prog)
1448 {
1449         VM_SAFEPARMCOUNT(1,VM_ceil);
1450
1451         PRVM_G_FLOAT(OFS_RETURN) = ceil(PRVM_G_FLOAT(OFS_PARM0));
1452 }
1453
1454
1455 /*
1456 =============
1457 VM_nextent
1458
1459 entity  nextent(entity)
1460 =============
1461 */
1462 void VM_nextent(prvm_prog_t *prog)
1463 {
1464         int             i;
1465         prvm_edict_t    *ent;
1466
1467         VM_SAFEPARMCOUNT(1, VM_nextent);
1468
1469         i = PRVM_G_EDICTNUM(OFS_PARM0);
1470         while (1)
1471         {
1472                 prog->xfunction->builtinsprofile++;
1473                 i++;
1474                 if (i == prog->num_edicts)
1475                 {
1476                         VM_RETURN_EDICT(prog->edicts);
1477                         return;
1478                 }
1479                 ent = PRVM_EDICT_NUM(i);
1480                 if (!ent->priv.required->free)
1481                 {
1482                         VM_RETURN_EDICT(ent);
1483                         return;
1484                 }
1485         }
1486 }
1487
1488 //=============================================================================
1489
1490 /*
1491 ==============
1492 VM_changelevel
1493 server and menu
1494
1495 changelevel(string map)
1496 ==============
1497 */
1498 void VM_changelevel(prvm_prog_t *prog)
1499 {
1500         char vabuf[1024];
1501         VM_SAFEPARMCOUNT(1, VM_changelevel);
1502
1503         if(!sv.active)
1504         {
1505                 VM_Warning(prog, "VM_changelevel: game is not server (%s)\n", prog->name);
1506                 return;
1507         }
1508
1509 // make sure we don't issue two changelevels
1510         if (svs.changelevel_issued)
1511                 return;
1512         svs.changelevel_issued = true;
1513
1514         Cbuf_AddText(va(vabuf, sizeof(vabuf), "changelevel %s\n",PRVM_G_STRING(OFS_PARM0)));
1515 }
1516
1517 /*
1518 =========
1519 VM_sin
1520
1521 float   sin(float)
1522 =========
1523 */
1524 void VM_sin(prvm_prog_t *prog)
1525 {
1526         VM_SAFEPARMCOUNT(1,VM_sin);
1527         PRVM_G_FLOAT(OFS_RETURN) = sin(PRVM_G_FLOAT(OFS_PARM0));
1528 }
1529
1530 /*
1531 =========
1532 VM_cos
1533 float   cos(float)
1534 =========
1535 */
1536 void VM_cos(prvm_prog_t *prog)
1537 {
1538         VM_SAFEPARMCOUNT(1,VM_cos);
1539         PRVM_G_FLOAT(OFS_RETURN) = cos(PRVM_G_FLOAT(OFS_PARM0));
1540 }
1541
1542 /*
1543 =========
1544 VM_sqrt
1545
1546 float   sqrt(float)
1547 =========
1548 */
1549 void VM_sqrt(prvm_prog_t *prog)
1550 {
1551         VM_SAFEPARMCOUNT(1,VM_sqrt);
1552         PRVM_G_FLOAT(OFS_RETURN) = sqrt(PRVM_G_FLOAT(OFS_PARM0));
1553 }
1554
1555 /*
1556 =========
1557 VM_asin
1558
1559 float   asin(float)
1560 =========
1561 */
1562 void VM_asin(prvm_prog_t *prog)
1563 {
1564         VM_SAFEPARMCOUNT(1,VM_asin);
1565         PRVM_G_FLOAT(OFS_RETURN) = asin(PRVM_G_FLOAT(OFS_PARM0));
1566 }
1567
1568 /*
1569 =========
1570 VM_acos
1571 float   acos(float)
1572 =========
1573 */
1574 void VM_acos(prvm_prog_t *prog)
1575 {
1576         VM_SAFEPARMCOUNT(1,VM_acos);
1577         PRVM_G_FLOAT(OFS_RETURN) = acos(PRVM_G_FLOAT(OFS_PARM0));
1578 }
1579
1580 /*
1581 =========
1582 VM_atan
1583 float   atan(float)
1584 =========
1585 */
1586 void VM_atan(prvm_prog_t *prog)
1587 {
1588         VM_SAFEPARMCOUNT(1,VM_atan);
1589         PRVM_G_FLOAT(OFS_RETURN) = atan(PRVM_G_FLOAT(OFS_PARM0));
1590 }
1591
1592 /*
1593 =========
1594 VM_atan2
1595 float   atan2(float,float)
1596 =========
1597 */
1598 void VM_atan2(prvm_prog_t *prog)
1599 {
1600         VM_SAFEPARMCOUNT(2,VM_atan2);
1601         PRVM_G_FLOAT(OFS_RETURN) = atan2(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1602 }
1603
1604 /*
1605 =========
1606 VM_tan
1607 float   tan(float)
1608 =========
1609 */
1610 void VM_tan(prvm_prog_t *prog)
1611 {
1612         VM_SAFEPARMCOUNT(1,VM_tan);
1613         PRVM_G_FLOAT(OFS_RETURN) = tan(PRVM_G_FLOAT(OFS_PARM0));
1614 }
1615
1616 /*
1617 =================
1618 VM_randomvec
1619
1620 Returns a vector of length < 1 and > 0
1621
1622 vector randomvec()
1623 =================
1624 */
1625 void VM_randomvec(prvm_prog_t *prog)
1626 {
1627         vec3_t temp;
1628         VM_SAFEPARMCOUNT(0, VM_randomvec);
1629         VectorRandom(temp);
1630         VectorCopy(temp, PRVM_G_VECTOR(OFS_RETURN));
1631 }
1632
1633 //=============================================================================
1634
1635 /*
1636 =========
1637 VM_registercvar
1638
1639 float   registercvar (string name, string value[, float flags])
1640 =========
1641 */
1642 void VM_registercvar(prvm_prog_t *prog)
1643 {
1644         const char *name, *value;
1645         int     flags;
1646
1647         VM_SAFEPARMCOUNTRANGE(2, 3, VM_registercvar);
1648
1649         name = PRVM_G_STRING(OFS_PARM0);
1650         value = PRVM_G_STRING(OFS_PARM1);
1651         flags = prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : 0;
1652         PRVM_G_FLOAT(OFS_RETURN) = 0;
1653
1654         if(flags > CVAR_MAXFLAGSVAL)
1655                 return;
1656
1657 // first check to see if it has already been defined
1658         if (Cvar_FindVar (name))
1659                 return;
1660
1661 // check for overlap with a command
1662         if (Cmd_Exists (name))
1663         {
1664                 VM_Warning(prog, "VM_registercvar: %s is a command\n", name);
1665                 return;
1666         }
1667
1668         Cvar_Get(name, value, flags, NULL);
1669
1670         PRVM_G_FLOAT(OFS_RETURN) = 1; // success
1671 }
1672
1673
1674 /*
1675 =================
1676 VM_min
1677
1678 returns the minimum of two supplied floats
1679
1680 float min(float a, float b, ...[float])
1681 =================
1682 */
1683 void VM_min(prvm_prog_t *prog)
1684 {
1685         VM_SAFEPARMCOUNTRANGE(2, 8, VM_min);
1686         // LordHavoc: 3+ argument enhancement suggested by FrikaC
1687         if (prog->argc >= 3)
1688         {
1689                 int i;
1690                 float f = PRVM_G_FLOAT(OFS_PARM0);
1691                 for (i = 1;i < prog->argc;i++)
1692                         if (f > PRVM_G_FLOAT((OFS_PARM0+i*3)))
1693                                 f = PRVM_G_FLOAT((OFS_PARM0+i*3));
1694                 PRVM_G_FLOAT(OFS_RETURN) = f;
1695         }
1696         else
1697                 PRVM_G_FLOAT(OFS_RETURN) = min(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1698 }
1699
1700 /*
1701 =================
1702 VM_max
1703
1704 returns the maximum of two supplied floats
1705
1706 float   max(float a, float b, ...[float])
1707 =================
1708 */
1709 void VM_max(prvm_prog_t *prog)
1710 {
1711         VM_SAFEPARMCOUNTRANGE(2, 8, VM_max);
1712         // LordHavoc: 3+ argument enhancement suggested by FrikaC
1713         if (prog->argc >= 3)
1714         {
1715                 int i;
1716                 float f = PRVM_G_FLOAT(OFS_PARM0);
1717                 for (i = 1;i < prog->argc;i++)
1718                         if (f < PRVM_G_FLOAT((OFS_PARM0+i*3)))
1719                                 f = PRVM_G_FLOAT((OFS_PARM0+i*3));
1720                 PRVM_G_FLOAT(OFS_RETURN) = f;
1721         }
1722         else
1723                 PRVM_G_FLOAT(OFS_RETURN) = max(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1724 }
1725
1726 /*
1727 =================
1728 VM_bound
1729
1730 returns number bounded by supplied range
1731
1732 float   bound(float min, float value, float max)
1733 =================
1734 */
1735 void VM_bound(prvm_prog_t *prog)
1736 {
1737         VM_SAFEPARMCOUNT(3,VM_bound);
1738         PRVM_G_FLOAT(OFS_RETURN) = bound(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1), PRVM_G_FLOAT(OFS_PARM2));
1739 }
1740
1741 /*
1742 =================
1743 VM_pow
1744
1745 returns a raised to power b
1746
1747 float   pow(float a, float b)
1748 =================
1749 */
1750 void VM_pow(prvm_prog_t *prog)
1751 {
1752         VM_SAFEPARMCOUNT(2,VM_pow);
1753         PRVM_G_FLOAT(OFS_RETURN) = pow(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1754 }
1755
1756 void VM_log(prvm_prog_t *prog)
1757 {
1758         VM_SAFEPARMCOUNT(1,VM_log);
1759         PRVM_G_FLOAT(OFS_RETURN) = log(PRVM_G_FLOAT(OFS_PARM0));
1760 }
1761
1762 void VM_Files_Init(prvm_prog_t *prog)
1763 {
1764         int i;
1765         for (i = 0;i < PRVM_MAX_OPENFILES;i++)
1766                 prog->openfiles[i] = NULL;
1767 }
1768
1769 void VM_Files_CloseAll(prvm_prog_t *prog)
1770 {
1771         int i;
1772         for (i = 0;i < PRVM_MAX_OPENFILES;i++)
1773         {
1774                 if (prog->openfiles[i])
1775                         FS_Close(prog->openfiles[i]);
1776                 prog->openfiles[i] = NULL;
1777         }
1778 }
1779
1780 static qfile_t *VM_GetFileHandle(prvm_prog_t *prog, int index)
1781 {
1782         if (index < 0 || index >= PRVM_MAX_OPENFILES)
1783         {
1784                 Con_Printf("VM_GetFileHandle: invalid file handle %i used in %s\n", index, prog->name);
1785                 return NULL;
1786         }
1787         if (prog->openfiles[index] == NULL)
1788         {
1789                 Con_Printf("VM_GetFileHandle: no such file handle %i (or file has been closed) in %s\n", index, prog->name);
1790                 return NULL;
1791         }
1792         return prog->openfiles[index];
1793 }
1794
1795 /*
1796 =========
1797 VM_fopen
1798
1799 float   fopen(string filename, float mode)
1800 =========
1801 */
1802 // float(string filename, float mode) fopen = #110;
1803 // opens a file inside quake/gamedir/data/ (mode is FILE_READ, FILE_APPEND, or FILE_WRITE),
1804 // returns fhandle >= 0 if successful, or fhandle < 0 if unable to open file for any reason
1805 void VM_fopen(prvm_prog_t *prog)
1806 {
1807         int filenum, mode;
1808         const char *modestring, *filename;
1809         char vabuf[1024];
1810
1811         VM_SAFEPARMCOUNT(2,VM_fopen);
1812
1813         for (filenum = 0;filenum < PRVM_MAX_OPENFILES;filenum++)
1814                 if (prog->openfiles[filenum] == NULL)
1815                         break;
1816         if (filenum >= PRVM_MAX_OPENFILES)
1817         {
1818                 PRVM_G_FLOAT(OFS_RETURN) = -2;
1819                 VM_Warning(prog, "VM_fopen: %s ran out of file handles (%i)\n", prog->name, PRVM_MAX_OPENFILES);
1820                 return;
1821         }
1822         filename = PRVM_G_STRING(OFS_PARM0);
1823         mode = (int)PRVM_G_FLOAT(OFS_PARM1);
1824         switch(mode)
1825         {
1826         case 0: // FILE_READ
1827                 modestring = "rb";
1828                 prog->openfiles[filenum] = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "data/%s", filename), false);
1829                 if (prog->openfiles[filenum] == NULL)
1830                         prog->openfiles[filenum] = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "%s", filename), false);
1831                 break;
1832         case 1: // FILE_APPEND
1833                 modestring = "a";
1834                 prog->openfiles[filenum] = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "data/%s", filename), modestring, false);
1835                 break;
1836         case 2: // FILE_WRITE
1837                 modestring = "w";
1838                 prog->openfiles[filenum] = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "data/%s", filename), modestring, false);
1839                 break;
1840         default:
1841                 PRVM_G_FLOAT(OFS_RETURN) = -3;
1842                 VM_Warning(prog, "VM_fopen: %s: no such mode %i (valid: 0 = read, 1 = append, 2 = write)\n", prog->name, mode);
1843                 return;
1844         }
1845
1846         if (prog->openfiles[filenum] == NULL)
1847         {
1848                 PRVM_G_FLOAT(OFS_RETURN) = -1;
1849                 if (developer_extra.integer)
1850                         VM_Warning(prog, "VM_fopen: %s: %s mode %s failed\n", prog->name, filename, modestring);
1851         }
1852         else
1853         {
1854                 PRVM_G_FLOAT(OFS_RETURN) = filenum;
1855                 if (developer_extra.integer)
1856                         Con_DPrintf("VM_fopen: %s: %s mode %s opened as #%i\n", prog->name, filename, modestring, filenum);
1857                 prog->openfiles_origin[filenum] = PRVM_AllocationOrigin(prog);
1858         }
1859 }
1860
1861 /*
1862 =========
1863 VM_fclose
1864
1865 fclose(float fhandle)
1866 =========
1867 */
1868 //void(float fhandle) fclose = #111; // closes a file
1869 void VM_fclose(prvm_prog_t *prog)
1870 {
1871         int filenum;
1872
1873         VM_SAFEPARMCOUNT(1,VM_fclose);
1874
1875         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1876         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1877         {
1878                 VM_Warning(prog, "VM_fclose: invalid file handle %i used in %s\n", filenum, prog->name);
1879                 return;
1880         }
1881         if (prog->openfiles[filenum] == NULL)
1882         {
1883                 VM_Warning(prog, "VM_fclose: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
1884                 return;
1885         }
1886         FS_Close(prog->openfiles[filenum]);
1887         prog->openfiles[filenum] = NULL;
1888         if(prog->openfiles_origin[filenum])
1889                 PRVM_Free((char *)prog->openfiles_origin[filenum]);
1890         if (developer_extra.integer)
1891                 Con_DPrintf("VM_fclose: %s: #%i closed\n", prog->name, filenum);
1892 }
1893
1894 /*
1895 =========
1896 VM_fgets
1897
1898 string  fgets(float fhandle)
1899 =========
1900 */
1901 //string(float fhandle) fgets = #112; // reads a line of text from the file and returns as a tempstring
1902 void VM_fgets(prvm_prog_t *prog)
1903 {
1904         int c, end;
1905         char string[VM_STRINGTEMP_LENGTH];
1906         int filenum;
1907
1908         VM_SAFEPARMCOUNT(1,VM_fgets);
1909
1910         // set the return value regardless of any possible errors
1911         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1912
1913         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1914         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1915         {
1916                 VM_Warning(prog, "VM_fgets: invalid file handle %i used in %s\n", filenum, prog->name);
1917                 return;
1918         }
1919         if (prog->openfiles[filenum] == NULL)
1920         {
1921                 VM_Warning(prog, "VM_fgets: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
1922                 return;
1923         }
1924         end = 0;
1925         for (;;)
1926         {
1927                 c = FS_Getc(prog->openfiles[filenum]);
1928                 if (c == '\r' || c == '\n' || c < 0)
1929                         break;
1930                 if (end < VM_STRINGTEMP_LENGTH - 1)
1931                         string[end++] = c;
1932         }
1933         string[end] = 0;
1934         // remove \n following \r
1935         if (c == '\r')
1936         {
1937                 c = FS_Getc(prog->openfiles[filenum]);
1938                 if (c != '\n')
1939                         FS_UnGetc(prog->openfiles[filenum], (unsigned char)c);
1940         }
1941         if (developer_extra.integer)
1942                 Con_DPrintf("fgets: %s: %s\n", prog->name, string);
1943         if (c >= 0 || end)
1944                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
1945 }
1946
1947 /*
1948 =========
1949 VM_fputs
1950
1951 fputs(float fhandle, string s)
1952 =========
1953 */
1954 //void(float fhandle, string s) fputs = #113; // writes a line of text to the end of the file
1955 void VM_fputs(prvm_prog_t *prog)
1956 {
1957         int stringlength;
1958         char string[VM_STRINGTEMP_LENGTH];
1959         int filenum;
1960
1961         VM_SAFEPARMCOUNT(2,VM_fputs);
1962
1963         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1964         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1965         {
1966                 VM_Warning(prog, "VM_fputs: invalid file handle %i used in %s\n", filenum, prog->name);
1967                 return;
1968         }
1969         if (prog->openfiles[filenum] == NULL)
1970         {
1971                 VM_Warning(prog, "VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
1972                 return;
1973         }
1974         VM_VarString(prog, 1, string, sizeof(string));
1975         if ((stringlength = (int)strlen(string)))
1976                 FS_Write(prog->openfiles[filenum], string, stringlength);
1977         if (developer_extra.integer)
1978                 Con_DPrintf("fputs: %s: %s\n", prog->name, string);
1979 }
1980
1981 /*
1982 =========
1983 VM_writetofile
1984
1985         writetofile(float fhandle, entity ent)
1986 =========
1987 */
1988 void VM_writetofile(prvm_prog_t *prog)
1989 {
1990         prvm_edict_t * ent;
1991         qfile_t *file;
1992
1993         VM_SAFEPARMCOUNT(2, VM_writetofile);
1994
1995         file = VM_GetFileHandle(prog, (int)PRVM_G_FLOAT(OFS_PARM0));
1996         if( !file )
1997         {
1998                 VM_Warning(prog, "VM_writetofile: invalid or closed file handle\n");
1999                 return;
2000         }
2001
2002         ent = PRVM_G_EDICT(OFS_PARM1);
2003         if(ent->priv.required->free)
2004         {
2005                 VM_Warning(prog, "VM_writetofile: %s: entity %i is free !\n", prog->name, PRVM_NUM_FOR_EDICT(ent));
2006                 return;
2007         }
2008
2009         PRVM_ED_Write (prog, file, ent);
2010 }
2011
2012 // KrimZon - DP_QC_ENTITYDATA
2013 /*
2014 =========
2015 VM_numentityfields
2016
2017 float() numentityfields
2018 Return the number of entity fields - NOT offsets
2019 =========
2020 */
2021 void VM_numentityfields(prvm_prog_t *prog)
2022 {
2023         PRVM_G_FLOAT(OFS_RETURN) = prog->numfielddefs;
2024 }
2025
2026 // KrimZon - DP_QC_ENTITYDATA
2027 /*
2028 =========
2029 VM_entityfieldname
2030
2031 string(float fieldnum) entityfieldname
2032 Return name of the specified field as a string, or empty if the field is invalid (warning)
2033 =========
2034 */
2035 void VM_entityfieldname(prvm_prog_t *prog)
2036 {
2037         ddef_t *d;
2038         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2039
2040         if (i < 0 || i >= prog->numfielddefs)
2041         {
2042                 VM_Warning(prog, "VM_entityfieldname: %s: field index out of bounds\n", prog->name);
2043                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2044                 return;
2045         }
2046
2047         d = &prog->fielddefs[i];
2048         PRVM_G_INT(OFS_RETURN) = d->s_name; // presuming that s_name points to a string already
2049 }
2050
2051 // KrimZon - DP_QC_ENTITYDATA
2052 /*
2053 =========
2054 VM_entityfieldtype
2055
2056 float(float fieldnum) entityfieldtype
2057 =========
2058 */
2059 void VM_entityfieldtype(prvm_prog_t *prog)
2060 {
2061         ddef_t *d;
2062         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2063
2064         if (i < 0 || i >= prog->numfielddefs)
2065         {
2066                 VM_Warning(prog, "VM_entityfieldtype: %s: field index out of bounds\n", prog->name);
2067                 PRVM_G_FLOAT(OFS_RETURN) = -1.0;
2068                 return;
2069         }
2070
2071         d = &prog->fielddefs[i];
2072         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t)d->type;
2073 }
2074
2075 // KrimZon - DP_QC_ENTITYDATA
2076 /*
2077 =========
2078 VM_getentityfieldstring
2079
2080 string(float fieldnum, entity ent) getentityfieldstring
2081 =========
2082 */
2083 void VM_getentityfieldstring(prvm_prog_t *prog)
2084 {
2085         // put the data into a string
2086         ddef_t *d;
2087         int type, j;
2088         prvm_eval_t *val;
2089         prvm_edict_t * ent;
2090         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2091         char valuebuf[MAX_INPUTLINE];
2092
2093         if (i < 0 || i >= prog->numfielddefs)
2094         {
2095         VM_Warning(prog, "VM_entityfielddata: %s: field index out of bounds\n", prog->name);
2096                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2097                 return;
2098         }
2099
2100         d = &prog->fielddefs[i];
2101
2102         // get the entity
2103         ent = PRVM_G_EDICT(OFS_PARM1);
2104         if(ent->priv.required->free)
2105         {
2106                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2107                 VM_Warning(prog, "VM_entityfielddata: %s: entity %i is free !\n", prog->name, PRVM_NUM_FOR_EDICT(ent));
2108                 return;
2109         }
2110         val = (prvm_eval_t *)(ent->fields.fp + d->ofs);
2111
2112         // if it's 0 or blank, return an empty string
2113         type = d->type & ~DEF_SAVEGLOBAL;
2114         for (j=0 ; j<prvm_type_size[type] ; j++)
2115                 if (val->ivector[j])
2116                         break;
2117         if (j == prvm_type_size[type])
2118         {
2119                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2120                 return;
2121         }
2122
2123         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, PRVM_UglyValueString(prog, (etype_t)d->type, val, valuebuf, sizeof(valuebuf)));
2124 }
2125
2126 // KrimZon - DP_QC_ENTITYDATA
2127 /*
2128 =========
2129 VM_putentityfieldstring
2130
2131 float(float fieldnum, entity ent, string s) putentityfieldstring
2132 =========
2133 */
2134 void VM_putentityfieldstring(prvm_prog_t *prog)
2135 {
2136         ddef_t *d;
2137         prvm_edict_t * ent;
2138         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2139
2140         if (i < 0 || i >= prog->numfielddefs)
2141         {
2142         VM_Warning(prog, "VM_entityfielddata: %s: field index out of bounds\n", prog->name);
2143                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2144                 return;
2145         }
2146
2147         d = &prog->fielddefs[i];
2148
2149         // get the entity
2150         ent = PRVM_G_EDICT(OFS_PARM1);
2151         if(ent->priv.required->free)
2152         {
2153                 VM_Warning(prog, "VM_entityfielddata: %s: entity %i is free !\n", prog->name, PRVM_NUM_FOR_EDICT(ent));
2154                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2155                 return;
2156         }
2157
2158         // parse the string into the value
2159         PRVM_G_FLOAT(OFS_RETURN) = ( PRVM_ED_ParseEpair(prog, ent, d, PRVM_G_STRING(OFS_PARM2), false) ) ? 1.0f : 0.0f;
2160 }
2161
2162 /*
2163 =========
2164 VM_strlen
2165
2166 float   strlen(string s)
2167 =========
2168 */
2169 //float(string s) strlen = #114; // returns how many characters are in a string
2170 void VM_strlen(prvm_prog_t *prog)
2171 {
2172         VM_SAFEPARMCOUNT(1,VM_strlen);
2173
2174         //PRVM_G_FLOAT(OFS_RETURN) = strlen(PRVM_G_STRING(OFS_PARM0));
2175         PRVM_G_FLOAT(OFS_RETURN) = u8_strlen(PRVM_G_STRING(OFS_PARM0));
2176 }
2177
2178 // DRESK - Decolorized String
2179 /*
2180 =========
2181 VM_strdecolorize
2182
2183 string  strdecolorize(string s)
2184 =========
2185 */
2186 // string (string s) strdecolorize = #472; // returns the passed in string with color codes stripped
2187 void VM_strdecolorize(prvm_prog_t *prog)
2188 {
2189         char szNewString[VM_STRINGTEMP_LENGTH];
2190         const char *szString;
2191
2192         // Prepare Strings
2193         VM_SAFEPARMCOUNT(1,VM_strdecolorize);
2194         szString = PRVM_G_STRING(OFS_PARM0);
2195         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
2196         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
2197 }
2198
2199 // DRESK - String Length (not counting color codes)
2200 /*
2201 =========
2202 VM_strlennocol
2203
2204 float   strlennocol(string s)
2205 =========
2206 */
2207 // float(string s) strlennocol = #471; // returns how many characters are in a string not including color codes
2208 // For example, ^2Dresk returns a length of 5
2209 void VM_strlennocol(prvm_prog_t *prog)
2210 {
2211         const char *szString;
2212         int nCnt;
2213
2214         VM_SAFEPARMCOUNT(1,VM_strlennocol);
2215
2216         szString = PRVM_G_STRING(OFS_PARM0);
2217
2218         //nCnt = (int)COM_StringLengthNoColors(szString, 0, NULL);
2219         nCnt = (int)u8_COM_StringLengthNoColors(szString, 0, NULL);
2220
2221         PRVM_G_FLOAT(OFS_RETURN) = nCnt;
2222 }
2223
2224 // DRESK - String to Uppercase and Lowercase
2225 /*
2226 =========
2227 VM_strtolower
2228
2229 string  strtolower(string s)
2230 =========
2231 */
2232 // string (string s) strtolower = #480; // returns passed in string in lowercase form
2233 void VM_strtolower(prvm_prog_t *prog)
2234 {
2235         char szNewString[VM_STRINGTEMP_LENGTH];
2236         const char *szString;
2237
2238         // Prepare Strings
2239         VM_SAFEPARMCOUNT(1,VM_strtolower);
2240         szString = PRVM_G_STRING(OFS_PARM0);
2241
2242         COM_ToLowerString(szString, szNewString, sizeof(szNewString) );
2243
2244         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
2245 }
2246
2247 /*
2248 =========
2249 VM_strtoupper
2250
2251 string  strtoupper(string s)
2252 =========
2253 */
2254 // string (string s) strtoupper = #481; // returns passed in string in uppercase form
2255 void VM_strtoupper(prvm_prog_t *prog)
2256 {
2257         char szNewString[VM_STRINGTEMP_LENGTH];
2258         const char *szString;
2259
2260         // Prepare Strings
2261         VM_SAFEPARMCOUNT(1,VM_strtoupper);
2262         szString = PRVM_G_STRING(OFS_PARM0);
2263
2264         COM_ToUpperString(szString, szNewString, sizeof(szNewString) );
2265
2266         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
2267 }
2268
2269 /*
2270 =========
2271 VM_strcat
2272
2273 string strcat(string,string,...[string])
2274 =========
2275 */
2276 //string(string s1, string s2) strcat = #115;
2277 // concatenates two strings (for example "abc", "def" would return "abcdef")
2278 // and returns as a tempstring
2279 void VM_strcat(prvm_prog_t *prog)
2280 {
2281         char s[VM_STRINGTEMP_LENGTH];
2282         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strcat);
2283
2284         VM_VarString(prog, 0, s, sizeof(s));
2285         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, s);
2286 }
2287
2288 /*
2289 =========
2290 VM_substring
2291
2292 string  substring(string s, float start, float length)
2293 =========
2294 */
2295 // string(string s, float start, float length) substring = #116;
2296 // returns a section of a string as a tempstring
2297 void VM_substring(prvm_prog_t *prog)
2298 {
2299         int start, length;
2300         int u_slength = 0, u_start;
2301         size_t u_length;
2302         const char *s;
2303         char string[VM_STRINGTEMP_LENGTH];
2304
2305         VM_SAFEPARMCOUNT(3,VM_substring);
2306
2307         /*
2308         s = PRVM_G_STRING(OFS_PARM0);
2309         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2310         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2311         slength = strlen(s);
2312
2313         if (start < 0) // FTE_STRINGS feature
2314                 start += slength;
2315         start = bound(0, start, slength);
2316
2317         if (length < 0) // FTE_STRINGS feature
2318                 length += slength - start + 1;
2319         maxlen = min((int)sizeof(string) - 1, slength - start);
2320         length = bound(0, length, maxlen);
2321
2322         memcpy(string, s + start, length);
2323         string[length] = 0;
2324         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2325         */
2326
2327         s = PRVM_G_STRING(OFS_PARM0);
2328         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2329         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2330
2331         if (start < 0) // FTE_STRINGS feature
2332         {
2333                 u_slength = (int)u8_strlen(s);
2334                 start += u_slength;
2335                 start = bound(0, start, u_slength);
2336         }
2337
2338         if (length < 0) // FTE_STRINGS feature
2339         {
2340                 if (!u_slength) // it's not calculated when it's not needed above
2341                         u_slength = (int)u8_strlen(s);
2342                 length += u_slength - start + 1;
2343         }
2344
2345         // positive start, positive length
2346         u_start = u8_byteofs(s, start, NULL);
2347         if (u_start < 0)
2348         {
2349                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
2350                 return;
2351         }
2352         u_length = u8_bytelen(s + u_start, length);
2353         if (u_length >= sizeof(string)-1)
2354                 u_length = sizeof(string)-1;
2355
2356         memcpy(string, s + u_start, u_length);
2357         string[u_length] = 0;
2358         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2359 }
2360
2361 /*
2362 =========
2363 VM_strreplace
2364
2365 string(string search, string replace, string subject) strreplace = #484;
2366 =========
2367 */
2368 // replaces all occurrences of search with replace in the string subject, and returns the result
2369 void VM_strreplace(prvm_prog_t *prog)
2370 {
2371         int i, j, si;
2372         const char *search, *replace, *subject;
2373         char string[VM_STRINGTEMP_LENGTH];
2374         int search_len, replace_len, subject_len;
2375
2376         VM_SAFEPARMCOUNT(3,VM_strreplace);
2377
2378         search = PRVM_G_STRING(OFS_PARM0);
2379         replace = PRVM_G_STRING(OFS_PARM1);
2380         subject = PRVM_G_STRING(OFS_PARM2);
2381
2382         search_len = (int)strlen(search);
2383         replace_len = (int)strlen(replace);
2384         subject_len = (int)strlen(subject);
2385
2386         si = 0;
2387         for (i = 0; i <= subject_len - search_len; i++)
2388         {
2389                 for (j = 0; j < search_len; j++) // thus, i+j < subject_len
2390                         if (subject[i+j] != search[j])
2391                                 break;
2392                 if (j == search_len)
2393                 {
2394                         // NOTE: if search_len == 0, we always hit THIS case, and never the other
2395                         // found it at offset 'i'
2396                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2397                                 string[si++] = replace[j];
2398                         if(search_len > 0)
2399                         {
2400                                 i += search_len - 1;
2401                         }
2402                         else
2403                         {
2404                                 // the above would subtract 1 from i... so we
2405                                 // don't do that, but instead output the next
2406                                 // char
2407                                 if (si < (int)sizeof(string) - 1)
2408                                         string[si++] = subject[i];
2409                         }
2410                 }
2411                 else
2412                 {
2413                         // in THIS case, we know search_len > 0, thus i < subject_len
2414                         // not found
2415                         if (si < (int)sizeof(string) - 1)
2416                                 string[si++] = subject[i];
2417                 }
2418         }
2419         // remaining chars (these cannot match)
2420         for (; i < subject_len; i++)
2421                 if (si < (int)sizeof(string) - 1)
2422                         string[si++] = subject[i];
2423         string[si] = '\0';
2424
2425         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2426 }
2427
2428 /*
2429 =========
2430 VM_strireplace
2431
2432 string(string search, string replace, string subject) strireplace = #485;
2433 =========
2434 */
2435 // case-insensitive version of strreplace
2436 void VM_strireplace(prvm_prog_t *prog)
2437 {
2438         int i, j, si;
2439         const char *search, *replace, *subject;
2440         char string[VM_STRINGTEMP_LENGTH];
2441         int search_len, replace_len, subject_len;
2442
2443         VM_SAFEPARMCOUNT(3,VM_strreplace);
2444
2445         search = PRVM_G_STRING(OFS_PARM0);
2446         replace = PRVM_G_STRING(OFS_PARM1);
2447         subject = PRVM_G_STRING(OFS_PARM2);
2448
2449         search_len = (int)strlen(search);
2450         replace_len = (int)strlen(replace);
2451         subject_len = (int)strlen(subject);
2452
2453         si = 0;
2454         for (i = 0; i <= subject_len - search_len; i++)
2455         {
2456                 for (j = 0; j < search_len; j++) // thus, i+j < subject_len
2457                         if (tolower(subject[i+j]) != tolower(search[j]))
2458                                 break;
2459                 if (j == search_len)
2460                 {
2461                         // NOTE: if search_len == 0, we always hit THIS case, and never the other
2462                         // found it at offset 'i'
2463                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2464                                 string[si++] = replace[j];
2465                         if(search_len > 0)
2466                         {
2467                                 i += search_len - 1;
2468                         }
2469                         else
2470                         {
2471                                 // the above would subtract 1 from i... so we
2472                                 // don't do that, but instead output the next
2473                                 // char
2474                                 if (si < (int)sizeof(string) - 1)
2475                                         string[si++] = subject[i];
2476                         }
2477                 }
2478                 else
2479                 {
2480                         // in THIS case, we know search_len > 0, thus i < subject_len
2481                         // not found
2482                         if (si < (int)sizeof(string) - 1)
2483                                 string[si++] = subject[i];
2484                 }
2485         }
2486         // remaining chars (these cannot match)
2487         for (; i < subject_len; i++)
2488                 if (si < (int)sizeof(string) - 1)
2489                         string[si++] = subject[i];
2490         string[si] = '\0';
2491
2492         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
2493 }
2494
2495 /*
2496 =========
2497 VM_stov
2498
2499 vector  stov(string s)
2500 =========
2501 */
2502 //vector(string s) stov = #117; // returns vector value from a string
2503 void VM_stov(prvm_prog_t *prog)
2504 {
2505         char string[VM_STRINGTEMP_LENGTH];
2506
2507         VM_SAFEPARMCOUNT(1,VM_stov);
2508
2509         VM_VarString(prog, 0, string, sizeof(string));
2510         Math_atov(string, PRVM_G_VECTOR(OFS_RETURN));
2511 }
2512
2513 /*
2514 =========
2515 VM_strzone
2516
2517 string  strzone(string s)
2518 =========
2519 */
2520 //string(string s, ...) strzone = #118; // makes a copy of a string into the string zone and returns it, this is often used to keep around a tempstring for longer periods of time (tempstrings are replaced often)
2521 void VM_strzone(prvm_prog_t *prog)
2522 {
2523         char *out;
2524         char string[VM_STRINGTEMP_LENGTH];
2525         size_t alloclen;
2526
2527         VM_SAFEPARMCOUNT(1,VM_strzone);
2528
2529         VM_VarString(prog, 0, string, sizeof(string));
2530         alloclen = strlen(string) + 1;
2531         PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(prog, alloclen, &out);
2532         memcpy(out, string, alloclen);
2533 }
2534
2535 /*
2536 =========
2537 VM_strunzone
2538
2539 strunzone(string s)
2540 =========
2541 */
2542 //void(string s) strunzone = #119; // removes a copy of a string from the string zone (you can not use that string again or it may crash!!!)
2543 void VM_strunzone(prvm_prog_t *prog)
2544 {
2545         VM_SAFEPARMCOUNT(1,VM_strunzone);
2546         PRVM_FreeString(prog, PRVM_G_INT(OFS_PARM0));
2547 }
2548
2549 /*
2550 =========
2551 VM_command (used by client and menu)
2552
2553 clientcommand(float client, string s) (for client and menu)
2554 =========
2555 */
2556 //void(entity e, string s) clientcommand = #440; // executes a command string as if it came from the specified client
2557 //this function originally written by KrimZon, made shorter by LordHavoc
2558 void VM_clcommand (prvm_prog_t *prog)
2559 {
2560         client_t *temp_client;
2561         int i;
2562
2563         VM_SAFEPARMCOUNT(2,VM_clcommand);
2564
2565         i = (int)PRVM_G_FLOAT(OFS_PARM0);
2566         if (!sv.active  || i < 0 || i >= svs.maxclients || !svs.clients[i].active)
2567         {
2568                 VM_Warning(prog, "VM_clientcommand: %s: invalid client/server is not active !\n", prog->name);
2569                 return;
2570         }
2571
2572         temp_client = host_client;
2573         host_client = svs.clients + i;
2574         Cmd_ExecuteString (PRVM_G_STRING(OFS_PARM1), src_client, true);
2575         host_client = temp_client;
2576 }
2577
2578
2579 /*
2580 =========
2581 VM_tokenize
2582
2583 float tokenize(string s)
2584 =========
2585 */
2586 //float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
2587 //this function originally written by KrimZon, made shorter by LordHavoc
2588 //20040203: rewritten by LordHavoc (no longer uses allocations)
2589 static int num_tokens = 0;
2590 static int tokens[VM_STRINGTEMP_LENGTH / 2];
2591 static int tokens_startpos[VM_STRINGTEMP_LENGTH / 2];
2592 static int tokens_endpos[VM_STRINGTEMP_LENGTH / 2];
2593 static char tokenize_string[VM_STRINGTEMP_LENGTH];
2594 void VM_tokenize (prvm_prog_t *prog)
2595 {
2596         const char *p;
2597
2598         VM_SAFEPARMCOUNT(1,VM_tokenize);
2599
2600         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2601         p = tokenize_string;
2602
2603         num_tokens = 0;
2604         for(;;)
2605         {
2606                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2607                         break;
2608
2609                 // skip whitespace here to find token start pos
2610                 while(*p && ISWHITESPACE(*p))
2611                         ++p;
2612
2613                 tokens_startpos[num_tokens] = p - tokenize_string;
2614                 if(!COM_ParseToken_VM_Tokenize(&p, false))
2615                         break;
2616                 tokens_endpos[num_tokens] = p - tokenize_string;
2617                 tokens[num_tokens] = PRVM_SetTempString(prog, com_token);
2618                 ++num_tokens;
2619         }
2620
2621         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2622 }
2623
2624 //float(string s) tokenize = #514; // takes apart a string into individal words (access them with argv), returns how many
2625 void VM_tokenize_console (prvm_prog_t *prog)
2626 {
2627         const char *p;
2628
2629         VM_SAFEPARMCOUNT(1,VM_tokenize);
2630
2631         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2632         p = tokenize_string;
2633
2634         num_tokens = 0;
2635         for(;;)
2636         {
2637                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2638                         break;
2639
2640                 // skip whitespace here to find token start pos
2641                 while(*p && ISWHITESPACE(*p))
2642                         ++p;
2643
2644                 tokens_startpos[num_tokens] = p - tokenize_string;
2645                 if(!COM_ParseToken_Console(&p))
2646                         break;
2647                 tokens_endpos[num_tokens] = p - tokenize_string;
2648                 tokens[num_tokens] = PRVM_SetTempString(prog, com_token);
2649                 ++num_tokens;
2650         }
2651
2652         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2653 }
2654
2655 /*
2656 =========
2657 VM_tokenizebyseparator
2658
2659 float tokenizebyseparator(string s, string separator1, ...)
2660 =========
2661 */
2662 //float(string s, string separator1, ...) tokenizebyseparator = #479; // takes apart a string into individal words (access them with argv), returns how many
2663 //this function returns the token preceding each instance of a separator (of
2664 //which there can be multiple), and the text following the last separator
2665 //useful for parsing certain kinds of data like IP addresses
2666 //example:
2667 //numnumbers = tokenizebyseparator("10.1.2.3", ".");
2668 //returns 4 and the tokens "10" "1" "2" "3".
2669 void VM_tokenizebyseparator (prvm_prog_t *prog)
2670 {
2671         int j, k;
2672         int numseparators;
2673         int separatorlen[7];
2674         const char *separators[7];
2675         const char *p, *p0;
2676         const char *token;
2677         char tokentext[MAX_INPUTLINE];
2678
2679         VM_SAFEPARMCOUNTRANGE(2, 8,VM_tokenizebyseparator);
2680
2681         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2682         p = tokenize_string;
2683
2684         numseparators = 0;
2685         for (j = 1;j < prog->argc;j++)
2686         {
2687                 // skip any blank separator strings
2688                 const char *s = PRVM_G_STRING(OFS_PARM0+j*3);
2689                 if (!s[0])
2690                         continue;
2691                 separators[numseparators] = s;
2692                 separatorlen[numseparators] = (int)strlen(s);
2693                 numseparators++;
2694         }
2695
2696         num_tokens = 0;
2697         j = 0;
2698
2699         while (num_tokens < (int)(sizeof(tokens)/sizeof(tokens[0])))
2700         {
2701                 token = tokentext + j;
2702                 tokens_startpos[num_tokens] = p - tokenize_string;
2703                 p0 = p;
2704                 while (*p)
2705                 {
2706                         for (k = 0;k < numseparators;k++)
2707                         {
2708                                 if (!strncmp(p, separators[k], separatorlen[k]))
2709                                 {
2710                                         p += separatorlen[k];
2711                                         break;
2712                                 }
2713                         }
2714                         if (k < numseparators)
2715                                 break;
2716                         if (j < (int)sizeof(tokentext)-1)
2717                                 tokentext[j++] = *p;
2718                         p++;
2719                         p0 = p;
2720                 }
2721                 tokens_endpos[num_tokens] = p0 - tokenize_string;
2722                 if (j >= (int)sizeof(tokentext))
2723                         break;
2724                 tokentext[j++] = 0;
2725                 tokens[num_tokens++] = PRVM_SetTempString(prog, token);
2726                 if (!*p)
2727                         break;
2728         }
2729
2730         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2731 }
2732
2733 //string(float n) argv = #442; // returns a word from the tokenized string (returns nothing for an invalid index)
2734 //this function originally written by KrimZon, made shorter by LordHavoc
2735 void VM_argv (prvm_prog_t *prog)
2736 {
2737         int token_num;
2738
2739         VM_SAFEPARMCOUNT(1,VM_argv);
2740
2741         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2742
2743         if(token_num < 0)
2744                 token_num += num_tokens;
2745
2746         if (token_num >= 0 && token_num < num_tokens)
2747                 PRVM_G_INT(OFS_RETURN) = tokens[token_num];
2748         else
2749                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
2750 }
2751
2752 //float(float n) argv_start_index = #515; // returns the start index of a token
2753 void VM_argv_start_index (prvm_prog_t *prog)
2754 {
2755         int token_num;
2756
2757         VM_SAFEPARMCOUNT(1,VM_argv);
2758
2759         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2760
2761         if(token_num < 0)
2762                 token_num += num_tokens;
2763
2764         if (token_num >= 0 && token_num < num_tokens)
2765                 PRVM_G_FLOAT(OFS_RETURN) = tokens_startpos[token_num];
2766         else
2767                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2768 }
2769
2770 //float(float n) argv_end_index = #516; // returns the end index of a token
2771 void VM_argv_end_index (prvm_prog_t *prog)
2772 {
2773         int token_num;
2774
2775         VM_SAFEPARMCOUNT(1,VM_argv);
2776
2777         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2778
2779         if(token_num < 0)
2780                 token_num += num_tokens;
2781
2782         if (token_num >= 0 && token_num < num_tokens)
2783                 PRVM_G_FLOAT(OFS_RETURN) = tokens_endpos[token_num];
2784         else
2785                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2786 }
2787
2788 /*
2789 =========
2790 VM_isserver
2791
2792 float   isserver()
2793 =========
2794 */
2795 void VM_isserver(prvm_prog_t *prog)
2796 {
2797         VM_SAFEPARMCOUNT(0,VM_serverstate);
2798
2799         PRVM_G_FLOAT(OFS_RETURN) = sv.active;
2800 }
2801
2802 /*
2803 =========
2804 VM_clientcount
2805
2806 float   clientcount()
2807 =========
2808 */
2809 void VM_clientcount(prvm_prog_t *prog)
2810 {
2811         VM_SAFEPARMCOUNT(0,VM_clientcount);
2812
2813         PRVM_G_FLOAT(OFS_RETURN) = svs.maxclients;
2814 }
2815
2816 /*
2817 =========
2818 VM_clientstate
2819
2820 float   clientstate()
2821 =========
2822 */
2823 void VM_clientstate(prvm_prog_t *prog)
2824 {
2825         VM_SAFEPARMCOUNT(0,VM_clientstate);
2826
2827
2828         switch( cls.state ) {
2829                 case ca_uninitialized:
2830                 case ca_dedicated:
2831                         PRVM_G_FLOAT(OFS_RETURN) = 0;
2832                         break;
2833                 case ca_disconnected:
2834                         PRVM_G_FLOAT(OFS_RETURN) = 1;
2835                         break;
2836                 case ca_connected:
2837                         PRVM_G_FLOAT(OFS_RETURN) = 2;
2838                         break;
2839                 default:
2840                         // should never be reached!
2841                         break;
2842         }
2843 }
2844
2845 /*
2846 =========
2847 VM_getostype
2848
2849 float   getostype(prvm_prog_t *prog)
2850 =========
2851 */ // not used at the moment -> not included in the common list
2852 void VM_getostype(prvm_prog_t *prog)
2853 {
2854         VM_SAFEPARMCOUNT(0,VM_getostype);
2855
2856         /*
2857         OS_WINDOWS
2858         OS_LINUX
2859         OS_MAC - not supported
2860         */
2861
2862 #ifdef WIN32
2863         PRVM_G_FLOAT(OFS_RETURN) = 0;
2864 #elif defined(MACOSX)
2865         PRVM_G_FLOAT(OFS_RETURN) = 2;
2866 #else
2867         PRVM_G_FLOAT(OFS_RETURN) = 1;
2868 #endif
2869 }
2870
2871 /*
2872 =========
2873 VM_gettime
2874
2875 float   gettime(prvm_prog_t *prog)
2876 =========
2877 */
2878 #ifdef CONFIG_CD
2879 float CDAudio_GetPosition(void);
2880 #endif
2881 void VM_gettime(prvm_prog_t *prog)
2882 {
2883         int timer_index;
2884
2885         VM_SAFEPARMCOUNTRANGE(0,1,VM_gettime);
2886
2887         if(prog->argc == 0)
2888         {
2889                 PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t) realtime;
2890         }
2891         else
2892         {
2893                 timer_index = (int) PRVM_G_FLOAT(OFS_PARM0);
2894                 switch(timer_index)
2895                 {
2896                         case 0: // GETTIME_FRAMESTART
2897                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2898                                 break;
2899                         case 1: // GETTIME_REALTIME
2900                                 PRVM_G_FLOAT(OFS_RETURN) = Sys_DirtyTime();
2901                                 break;
2902                         case 2: // GETTIME_HIRES
2903                                 PRVM_G_FLOAT(OFS_RETURN) = (Sys_DirtyTime() - host_dirtytime);
2904                                 break;
2905                         case 3: // GETTIME_UPTIME
2906                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2907                                 break;
2908 #ifdef CONFIG_CD
2909                         case 4: // GETTIME_CDTRACK
2910                                 PRVM_G_FLOAT(OFS_RETURN) = CDAudio_GetPosition();
2911                                 break;
2912 #endif
2913                         default:
2914                                 VM_Warning(prog, "VM_gettime: %s: unsupported timer specified, returning realtime\n", prog->name);
2915                                 PRVM_G_FLOAT(OFS_RETURN) = realtime;
2916                                 break;
2917                 }
2918         }
2919 }
2920
2921 /*
2922 =========
2923 VM_getsoundtime
2924
2925 float   getsoundtime(prvm_prog_t *prog)
2926 =========
2927 */
2928
2929 void VM_getsoundtime (prvm_prog_t *prog)
2930 {
2931         int entnum, entchannel;
2932         VM_SAFEPARMCOUNT(2,VM_getsoundtime);
2933
2934         if (prog == SVVM_prog)
2935                 entnum = PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2936         else if (prog == CLVM_prog)
2937                 entnum = MAX_EDICTS + PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(OFS_PARM0));
2938         else
2939         {
2940                 VM_Warning(prog, "VM_getsoundtime: %s: not supported on this progs\n", prog->name);
2941                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2942                 return;
2943         }
2944         entchannel = (int)PRVM_G_FLOAT(OFS_PARM1);
2945         entchannel = CHAN_USER2ENGINE(entchannel);
2946         if (!IS_CHAN(entchannel))
2947                 VM_Warning(prog, "VM_getsoundtime: %s: bad channel %i\n", prog->name, entchannel);
2948         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t)S_GetEntChannelPosition(entnum, entchannel);
2949 }
2950
2951 /*
2952 =========
2953 VM_GetSoundLen
2954
2955 string  soundlength (string sample)
2956 =========
2957 */
2958 void VM_soundlength (prvm_prog_t *prog)
2959 {
2960         const char *s;
2961
2962         VM_SAFEPARMCOUNT(1, VM_soundlength);
2963
2964         s = PRVM_G_STRING(OFS_PARM0);
2965         PRVM_G_FLOAT(OFS_RETURN) = S_SoundLength(s);
2966 }
2967
2968 /*
2969 =========
2970 VM_loadfromdata
2971
2972 loadfromdata(string data)
2973 =========
2974 */
2975 void VM_loadfromdata(prvm_prog_t *prog)
2976 {
2977         VM_SAFEPARMCOUNT(1,VM_loadentsfromfile);
2978
2979         PRVM_ED_LoadFromFile(prog, PRVM_G_STRING(OFS_PARM0));
2980 }
2981
2982 /*
2983 ========================
2984 VM_parseentitydata
2985
2986 parseentitydata(entity ent, string data)
2987 ========================
2988 */
2989 void VM_parseentitydata(prvm_prog_t *prog)
2990 {
2991         prvm_edict_t *ent;
2992         const char *data;
2993
2994         VM_SAFEPARMCOUNT(2, VM_parseentitydata);
2995
2996         // get edict and test it
2997         ent = PRVM_G_EDICT(OFS_PARM0);
2998         if (ent->priv.required->free)
2999                 prog->error_cmd("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!", prog->name, PRVM_NUM_FOR_EDICT(ent));
3000
3001         data = PRVM_G_STRING(OFS_PARM1);
3002
3003         // parse the opening brace
3004         if (!COM_ParseToken_Simple(&data, false, false, true) || com_token[0] != '{' )
3005                 prog->error_cmd("VM_parseentitydata: %s: Couldn't parse entity data:\n%s", prog->name, data );
3006
3007         PRVM_ED_ParseEdict (prog, data, ent);
3008 }
3009
3010 /*
3011 =========
3012 VM_loadfromfile
3013
3014 loadfromfile(string file)
3015 =========
3016 */
3017 void VM_loadfromfile(prvm_prog_t *prog)
3018 {
3019         const char *filename;
3020         char *data;
3021
3022         VM_SAFEPARMCOUNT(1,VM_loadfromfile);
3023
3024         filename = PRVM_G_STRING(OFS_PARM0);
3025         if (FS_CheckNastyPath(filename, false))
3026         {
3027                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3028                 VM_Warning(prog, "VM_loadfromfile: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", prog->name, filename);
3029                 return;
3030         }
3031
3032         // not conform with VM_fopen
3033         data = (char *)FS_LoadFile(filename, tempmempool, false, NULL);
3034         if (data == NULL)
3035                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3036
3037         PRVM_ED_LoadFromFile(prog, data);
3038
3039         if(data)
3040                 Mem_Free(data);
3041 }
3042
3043
3044 /*
3045 =========
3046 VM_modulo
3047
3048 float   mod(float val, float m)
3049 =========
3050 */
3051 void VM_modulo(prvm_prog_t *prog)
3052 {
3053         prvm_int_t val, m;
3054         VM_SAFEPARMCOUNT(2,VM_module);
3055
3056         val = (prvm_int_t) PRVM_G_FLOAT(OFS_PARM0);
3057         m       = (prvm_int_t) PRVM_G_FLOAT(OFS_PARM1);
3058
3059         PRVM_G_FLOAT(OFS_RETURN) = (prvm_vec_t) (val % m);
3060 }
3061
3062 static void VM_Search_Init(prvm_prog_t *prog)
3063 {
3064         int i;
3065         for (i = 0;i < PRVM_MAX_OPENSEARCHES;i++)
3066                 prog->opensearches[i] = NULL;
3067 }
3068
3069 static void VM_Search_Reset(prvm_prog_t *prog)
3070 {
3071         int i;
3072         // reset the fssearch list
3073         for(i = 0; i < PRVM_MAX_OPENSEARCHES; i++)
3074         {
3075                 if(prog->opensearches[i])
3076                         FS_FreeSearch(prog->opensearches[i]);
3077                 prog->opensearches[i] = NULL;
3078         }
3079 }
3080
3081 /*
3082 =========
3083 VM_search_begin
3084
3085 float search_begin(string pattern, float caseinsensitive, float quiet)
3086 =========
3087 */
3088 void VM_search_begin(prvm_prog_t *prog)
3089 {
3090         int handle;
3091         const char *pattern;
3092         int caseinsens, quiet;
3093
3094         VM_SAFEPARMCOUNT(3, VM_search_begin);
3095
3096         pattern = PRVM_G_STRING(OFS_PARM0);
3097
3098         VM_CheckEmptyString(prog, pattern);
3099
3100         caseinsens = (int)PRVM_G_FLOAT(OFS_PARM1);
3101         quiet = (int)PRVM_G_FLOAT(OFS_PARM2);
3102
3103         for(handle = 0; handle < PRVM_MAX_OPENSEARCHES; handle++)
3104                 if(!prog->opensearches[handle])
3105                         break;
3106
3107         if(handle >= PRVM_MAX_OPENSEARCHES)
3108         {
3109                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3110                 VM_Warning(prog, "VM_search_begin: %s ran out of search handles (%i)\n", prog->name, PRVM_MAX_OPENSEARCHES);
3111                 return;
3112         }
3113
3114         if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
3115                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3116         else
3117         {
3118                 prog->opensearches_origin[handle] = PRVM_AllocationOrigin(prog);
3119                 PRVM_G_FLOAT(OFS_RETURN) = handle;
3120         }
3121 }
3122
3123 /*
3124 =========
3125 VM_search_end
3126
3127 void    search_end(float handle)
3128 =========
3129 */
3130 void VM_search_end(prvm_prog_t *prog)
3131 {
3132         int handle;
3133         VM_SAFEPARMCOUNT(1, VM_search_end);
3134
3135         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3136
3137         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3138         {
3139                 VM_Warning(prog, "VM_search_end: invalid handle %i used in %s\n", handle, prog->name);
3140                 return;
3141         }
3142         if(prog->opensearches[handle] == NULL)
3143         {
3144                 VM_Warning(prog, "VM_search_end: no such handle %i in %s\n", handle, prog->name);
3145                 return;
3146         }
3147
3148         FS_FreeSearch(prog->opensearches[handle]);
3149         prog->opensearches[handle] = NULL;
3150         if(prog->opensearches_origin[handle])
3151                 PRVM_Free((char *)prog->opensearches_origin[handle]);
3152 }
3153
3154 /*
3155 =========
3156 VM_search_getsize
3157
3158 float   search_getsize(float handle)
3159 =========
3160 */
3161 void VM_search_getsize(prvm_prog_t *prog)
3162 {
3163         int handle;
3164         VM_SAFEPARMCOUNT(1, VM_M_search_getsize);
3165
3166         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3167
3168         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3169         {
3170                 VM_Warning(prog, "VM_search_getsize: invalid handle %i used in %s\n", handle, prog->name);
3171                 return;
3172         }
3173         if(prog->opensearches[handle] == NULL)
3174         {
3175                 VM_Warning(prog, "VM_search_getsize: no such handle %i in %s\n", handle, prog->name);
3176                 return;
3177         }
3178
3179         PRVM_G_FLOAT(OFS_RETURN) = prog->opensearches[handle]->numfilenames;
3180 }
3181
3182 /*
3183 =========
3184 VM_search_getfilename
3185
3186 string  search_getfilename(float handle, float num)
3187 =========
3188 */
3189 void VM_search_getfilename(prvm_prog_t *prog)
3190 {
3191         int handle, filenum;
3192         VM_SAFEPARMCOUNT(2, VM_search_getfilename);
3193
3194         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3195         filenum = (int)PRVM_G_FLOAT(OFS_PARM1);
3196
3197         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3198         {
3199                 VM_Warning(prog, "VM_search_getfilename: invalid handle %i used in %s\n", handle, prog->name);
3200                 return;
3201         }
3202         if(prog->opensearches[handle] == NULL)
3203         {
3204                 VM_Warning(prog, "VM_search_getfilename: no such handle %i in %s\n", handle, prog->name);
3205                 return;
3206         }
3207         if(filenum < 0 || filenum >= prog->opensearches[handle]->numfilenames)
3208         {
3209                 VM_Warning(prog, "VM_search_getfilename: invalid filenum %i in %s\n", filenum, prog->name);
3210                 return;
3211         }
3212
3213         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, prog->opensearches[handle]->filenames[filenum]);
3214 }
3215
3216 /*
3217 =========
3218 VM_chr
3219
3220 string  chr(float ascii)
3221 =========
3222 */
3223 void VM_chr(prvm_prog_t *prog)
3224 {
3225         /*
3226         char tmp[2];
3227         VM_SAFEPARMCOUNT(1, VM_chr);
3228
3229         tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
3230         tmp[1] = 0;
3231
3232         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, tmp);
3233         */
3234
3235         char tmp[8];
3236         int len;
3237         VM_SAFEPARMCOUNT(1, VM_chr);
3238
3239         len = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0), tmp, sizeof(tmp));
3240         tmp[len] = 0;
3241         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, tmp);
3242 }
3243
3244 //=============================================================================
3245 // Draw builtins (client & menu)
3246
3247 /*
3248 =========
3249 VM_iscachedpic
3250
3251 float   iscachedpic(string pic)
3252 =========
3253 */
3254 void VM_iscachedpic(prvm_prog_t *prog)
3255 {
3256         VM_SAFEPARMCOUNT(1,VM_iscachedpic);
3257
3258         // drawq hasnt such a function, thus always return true
3259         PRVM_G_FLOAT(OFS_RETURN) = false;
3260 }
3261
3262 /*
3263 =========
3264 VM_precache_pic
3265
3266 string  precache_pic(string pic)
3267 =========
3268 */
3269 #define PRECACHE_PIC_FROMWAD 1 /* FTEQW, not supported here */
3270 #define PRECACHE_PIC_NOTPERSISTENT 2
3271 //#define PRECACHE_PIC_NOCLAMP 4
3272 #define PRECACHE_PIC_MIPMAP 8
3273 void VM_precache_pic(prvm_prog_t *prog)
3274 {
3275         const char      *s;
3276         int flags = 0;
3277
3278         VM_SAFEPARMCOUNTRANGE(1, 2, VM_precache_pic);
3279
3280         s = PRVM_G_STRING(OFS_PARM0);
3281         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
3282         VM_CheckEmptyString(prog, s);
3283
3284         if(prog->argc >= 2)
3285         {
3286                 int f = PRVM_G_FLOAT(OFS_PARM1);
3287                 if(f & PRECACHE_PIC_NOTPERSISTENT)
3288                         flags |= CACHEPICFLAG_NOTPERSISTENT;
3289                 //if(f & PRECACHE_PIC_NOCLAMP)
3290                 //      flags |= CACHEPICFLAG_NOCLAMP;
3291                 if(f & PRECACHE_PIC_MIPMAP)
3292                         flags |= CACHEPICFLAG_MIPMAP;
3293         }
3294
3295         // AK Draw_CachePic is supposed to always return a valid pointer
3296         if( Draw_CachePic_Flags(s, flags)->tex == r_texture_notexture )
3297                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
3298 }
3299
3300 /*
3301 =========
3302 VM_freepic
3303
3304 freepic(string s)
3305 =========
3306 */
3307 void VM_freepic(prvm_prog_t *prog)
3308 {
3309         const char *s;
3310
3311         VM_SAFEPARMCOUNT(1,VM_freepic);
3312
3313         s = PRVM_G_STRING(OFS_PARM0);
3314         VM_CheckEmptyString(prog, s);
3315
3316         Draw_FreePic(s);
3317 }
3318
3319 static void getdrawfontscale(prvm_prog_t *prog, float *sx, float *sy)
3320 {
3321         vec3_t v;
3322         *sx = *sy = 1;
3323         VectorCopy(PRVM_drawglobalvector(drawfontscale), v);
3324         if(VectorLength2(v) > 0)
3325         {
3326                 *sx = v[0];
3327                 *sy = v[1];
3328         }
3329 }
3330
3331 static dp_font_t *getdrawfont(prvm_prog_t *prog)
3332 {
3333         int f = (int) PRVM_drawglobalfloat(drawfont);
3334         if(f < 0 || f >= dp_fonts.maxsize)
3335                 return FONT_DEFAULT;
3336         return &dp_fonts.f[f];
3337 }
3338
3339 /*
3340 =========
3341 VM_drawcharacter
3342
3343 float   drawcharacter(vector position, float character, vector scale, vector rgb, float alpha, float flag)
3344 =========
3345 */
3346 void VM_drawcharacter(prvm_prog_t *prog)
3347 {
3348         prvm_vec_t *pos,*scale,*rgb;
3349         char   character;
3350         int flag;
3351         float sx, sy;
3352         VM_SAFEPARMCOUNT(6,VM_drawcharacter);
3353
3354         character = (char) PRVM_G_FLOAT(OFS_PARM1);
3355         if(character == 0)
3356         {
3357                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3358                 VM_Warning(prog, "VM_drawcharacter: %s passed null character !\n",prog->name);
3359                 return;
3360         }
3361
3362         pos = PRVM_G_VECTOR(OFS_PARM0);
3363         scale = PRVM_G_VECTOR(OFS_PARM2);
3364         rgb = PRVM_G_VECTOR(OFS_PARM3);
3365         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3366
3367         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3368         {
3369                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3370                 VM_Warning(prog, "VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3371                 return;
3372         }
3373
3374         if(pos[2] || scale[2])
3375                 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")));
3376
3377         if(!scale[0] || !scale[1])
3378         {
3379                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3380                 VM_Warning(prog, "VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3381                 return;
3382         }
3383
3384         getdrawfontscale(prog, &sx, &sy);
3385         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));
3386         PRVM_G_FLOAT(OFS_RETURN) = 1;
3387 }
3388
3389 /*
3390 =========
3391 VM_drawstring
3392
3393 float   drawstring(vector position, string text, vector scale, vector rgb, float alpha[, float flag])
3394 =========
3395 */
3396 void VM_drawstring(prvm_prog_t *prog)
3397 {
3398         prvm_vec_t *pos,*scale,*rgb;
3399         const char  *string;
3400         int flag = 0;
3401         float sx, sy;
3402         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawstring);
3403
3404         string = PRVM_G_STRING(OFS_PARM1);
3405         pos = PRVM_G_VECTOR(OFS_PARM0);
3406         scale = PRVM_G_VECTOR(OFS_PARM2);
3407         rgb = PRVM_G_VECTOR(OFS_PARM3);
3408         if (prog->argc >= 6)
3409                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3410
3411         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3412         {
3413                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3414                 VM_Warning(prog, "VM_drawstring: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3415                 return;
3416         }
3417
3418         if(!scale[0] || !scale[1])
3419         {
3420                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3421                 VM_Warning(prog, "VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3422                 return;
3423         }
3424
3425         if(pos[2] || scale[2])
3426                 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")));
3427
3428         getdrawfontscale(prog, &sx, &sy);
3429         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));
3430         //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);
3431         PRVM_G_FLOAT(OFS_RETURN) = 1;
3432 }
3433
3434 /*
3435 =========
3436 VM_drawcolorcodedstring
3437
3438 float   drawcolorcodedstring(vector position, string text, vector scale, float alpha, float flag)
3439 /
3440 float   drawcolorcodedstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3441 =========
3442 */
3443 void VM_drawcolorcodedstring(prvm_prog_t *prog)
3444 {
3445         prvm_vec_t *pos, *scale;
3446         const char  *string;
3447         int flag;
3448         vec3_t rgb;
3449         float sx, sy, alpha;
3450
3451         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawcolorcodedstring);
3452
3453         if (prog->argc == 6) // full 6 parms, like normal drawstring
3454         {
3455                 pos = PRVM_G_VECTOR(OFS_PARM0);
3456                 string = PRVM_G_STRING(OFS_PARM1);
3457                 scale = PRVM_G_VECTOR(OFS_PARM2);
3458                 VectorCopy(PRVM_G_VECTOR(OFS_PARM3), rgb);
3459                 alpha = PRVM_G_FLOAT(OFS_PARM4);
3460                 flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3461         }
3462         else
3463         {
3464                 pos = PRVM_G_VECTOR(OFS_PARM0);
3465                 string = PRVM_G_STRING(OFS_PARM1);
3466                 scale = PRVM_G_VECTOR(OFS_PARM2);
3467                 rgb[0] = 1.0;
3468                 rgb[1] = 1.0;
3469                 rgb[2] = 1.0;
3470                 alpha = PRVM_G_FLOAT(OFS_PARM3);
3471                 flag = (int)PRVM_G_FLOAT(OFS_PARM4);
3472         }
3473
3474         if(flag < DRAWFLAG_NORMAL || flag >= DRAWFLAG_NUMFLAGS)
3475         {
3476                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3477                 VM_Warning(prog, "VM_drawcolorcodedstring: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3478                 return;
3479         }
3480
3481         if(!scale[0] || !scale[1])
3482         {
3483                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3484                 VM_Warning(prog, "VM_drawcolorcodedstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3485                 return;
3486         }
3487
3488         if(pos[2] || scale[2])
3489                 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")));
3490
3491         getdrawfontscale(prog, &sx, &sy);
3492         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));
3493         if (prog->argc == 6) // also return vector of last color
3494                 VectorCopy(DrawQ_Color, PRVM_G_VECTOR(OFS_RETURN));
3495         else
3496                 PRVM_G_FLOAT(OFS_RETURN) = 1;
3497 }
3498 /*
3499 =========
3500 VM_stringwidth
3501
3502 float   stringwidth(string text, float allowColorCodes, float size)
3503 =========
3504 */
3505 void VM_stringwidth(prvm_prog_t *prog)
3506 {
3507         const char  *string;
3508         vec2_t szv;
3509         float mult; // sz is intended font size so we can later add freetype support, mult is font size multiplier in pixels per character cell
3510         int colors;
3511         float sx, sy;
3512         size_t maxlen = 0;
3513         VM_SAFEPARMCOUNTRANGE(2,3,VM_drawstring);
3514
3515         getdrawfontscale(prog, &sx, &sy);
3516         if(prog->argc == 3)
3517         {
3518                 Vector2Copy(PRVM_G_VECTOR(OFS_PARM2), szv);
3519                 mult = 1;
3520         }
3521         else
3522         {
3523                 // we want the width for 8x8 font size, divided by 8
3524                 Vector2Set(szv, 8, 8);
3525                 mult = 0.125;
3526                 // to make sure snapping is turned off, ALWAYS use a nontrivial scale in this case
3527                 if(sx >= 0.9 && sx <= 1.1)
3528                 {
3529                         mult *= 2;
3530                         sx /= 2;
3531                         sy /= 2;
3532                 }
3533         }
3534
3535         string = PRVM_G_STRING(OFS_PARM0);
3536         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3537
3538         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_UntilWidth_TrackColors_Scale(string, &maxlen, szv[0], szv[1], sx, sy, NULL, !colors, getdrawfont(prog), 1000000000) * mult;
3539 /*
3540         if(prog->argc == 3)
3541         {
3542                 mult = sz = PRVM_G_FLOAT(OFS_PARM2);
3543         }
3544         else
3545         {
3546                 sz = 8;
3547                 mult = 1;
3548         }
3549
3550         string = PRVM_G_STRING(OFS_PARM0);
3551         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3552
3553         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth(string, 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
3554 */
3555 }
3556
3557 /*
3558 =========
3559 VM_findfont
3560
3561 float findfont(string s)
3562 =========
3563 */
3564
3565 static float getdrawfontnum(const char *fontname)
3566 {
3567         int i;
3568
3569         for(i = 0; i < dp_fonts.maxsize; ++i)
3570                 if(!strcmp(dp_fonts.f[i].title, fontname))
3571                         return i;
3572         return -1;
3573 }
3574
3575 void VM_findfont(prvm_prog_t *prog)
3576 {
3577         VM_SAFEPARMCOUNT(1,VM_findfont);
3578         PRVM_G_FLOAT(OFS_RETURN) = getdrawfontnum(PRVM_G_STRING(OFS_PARM0));
3579 }
3580
3581 /*
3582 =========
3583 VM_loadfont
3584
3585 float loadfont(string fontname, string fontmaps, string sizes, float slot)
3586 =========
3587 */
3588
3589 void VM_loadfont(prvm_prog_t *prog)
3590 {
3591         const char *fontname, *filelist, *sizes, *c, *cm;
3592         char mainfont[MAX_QPATH];
3593         int i, numsizes;
3594         float sz, scale, voffset;
3595         dp_font_t *f;
3596
3597         VM_SAFEPARMCOUNTRANGE(3,6,VM_loadfont);
3598
3599         fontname = PRVM_G_STRING(OFS_PARM0);
3600         if (!fontname[0])
3601                 fontname = "default";
3602
3603         filelist = PRVM_G_STRING(OFS_PARM1);
3604         if (!filelist[0])
3605                 filelist = "gfx/conchars";
3606
3607         sizes = PRVM_G_STRING(OFS_PARM2);
3608         if (!sizes[0])
3609                 sizes = "10";
3610
3611         // find a font
3612         f = NULL;
3613         if (prog->argc >= 4)
3614         {
3615                 i = PRVM_G_FLOAT(OFS_PARM3);
3616                 if (i >= 0 && i < dp_fonts.maxsize)
3617                 {
3618                         f = &dp_fonts.f[i];
3619                         strlcpy(f->title, fontname, sizeof(f->title)); // replace name
3620                 }
3621         }
3622         if (!f)
3623                 f = FindFont(fontname, true);
3624         if (!f)
3625         {
3626                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3627                 return; // something go wrong
3628         }
3629
3630         memset(f->fallbacks, 0, sizeof(f->fallbacks));
3631         memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
3632
3633         // first font is handled "normally"
3634         c = strchr(filelist, ':');
3635         cm = strchr(filelist, ',');
3636         if(c && (!cm || c < cm))
3637                 f->req_face = atoi(c+1);
3638         else
3639         {
3640                 f->req_face = 0;
3641                 c = cm;
3642         }
3643         if(!c || (c - filelist) > MAX_QPATH)
3644                 strlcpy(mainfont, filelist, sizeof(mainfont));
3645         else
3646         {
3647                 memcpy(mainfont, filelist, c - filelist);
3648                 mainfont[c - filelist] = 0;
3649         }
3650
3651         // handle fallbacks
3652         for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
3653         {
3654                 c = strchr(filelist, ',');
3655                 if(!c)
3656                         break;
3657                 filelist = c + 1;
3658                 if(!*filelist)
3659                         break;
3660                 c = strchr(filelist, ':');
3661                 cm = strchr(filelist, ',');
3662                 if(c && (!cm || c < cm))
3663                         f->fallback_faces[i] = atoi(c+1);
3664                 else
3665                 {
3666                         f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
3667                         c = cm;
3668                 }
3669                 if(!c || (c-filelist) > MAX_QPATH)
3670                 {
3671                         strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
3672                 }
3673                 else
3674                 {
3675                         memcpy(f->fallbacks[i], filelist, c - filelist);
3676                         f->fallbacks[i][c - filelist] = 0;
3677                 }
3678         }
3679
3680         // handle sizes
3681         for(i = 0; i < MAX_FONT_SIZES; ++i)
3682                 f->req_sizes[i] = -1;
3683         for (numsizes = 0,c = sizes;;)
3684         {
3685                 if (!COM_ParseToken_VM_Tokenize(&c, 0))
3686                         break;
3687                 sz = atof(com_token);
3688                 // detect crap size
3689                 if (sz < 0.001f || sz > 1000.0f)
3690                 {
3691                         VM_Warning(prog, "VM_loadfont: crap size %s", com_token);
3692                         continue;
3693                 }
3694                 // check overflow
3695                 if (numsizes == MAX_FONT_SIZES)
3696                 {
3697                         VM_Warning(prog, "VM_loadfont: MAX_FONT_SIZES = %i exceeded", MAX_FONT_SIZES);
3698                         break;
3699                 }
3700                 f->req_sizes[numsizes] = sz;
3701                 numsizes++;
3702         }
3703
3704         // additional scale/hoffset parms
3705         scale = 1;
3706         voffset = 0;
3707         if (prog->argc >= 5)
3708         {
3709                 scale = PRVM_G_FLOAT(OFS_PARM4);
3710                 if (scale <= 0)
3711                         scale = 1;
3712         }
3713         if (prog->argc >= 6)
3714                 voffset = PRVM_G_FLOAT(OFS_PARM5);
3715
3716         // load
3717         LoadFont(true, mainfont, f, scale, voffset);
3718
3719         // return index of loaded font
3720         PRVM_G_FLOAT(OFS_RETURN) = (f - dp_fonts.f);
3721 }
3722
3723 /*
3724 =========
3725 VM_drawpic
3726
3727 float   drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
3728 =========
3729 */
3730 void VM_drawpic(prvm_prog_t *prog)
3731 {
3732         const char *picname;
3733         prvm_vec_t *size, *pos, *rgb;
3734         int flag = 0;
3735
3736         VM_SAFEPARMCOUNTRANGE(5,6,VM_drawpic);
3737
3738         picname = PRVM_G_STRING(OFS_PARM1);
3739         VM_CheckEmptyString(prog, picname);
3740
3741         // is pic cached ? no function yet for that
3742         if(!1)
3743         {
3744                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3745                 VM_Warning(prog, "VM_drawpic: %s: %s not cached !\n", prog->name, picname);
3746                 return;
3747         }
3748
3749         pos = PRVM_G_VECTOR(OFS_PARM0);
3750         size = PRVM_G_VECTOR(OFS_PARM2);
3751         rgb = PRVM_G_VECTOR(OFS_PARM3);
3752         if (prog->argc >= 6)
3753                 flag = (int) PRVM_G_FLOAT(OFS_PARM5);
3754
3755         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3756         {
3757                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3758                 VM_Warning(prog, "VM_drawpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3759                 return;
3760         }
3761
3762         if(pos[2] || size[2])
3763                 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")));
3764
3765         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);
3766         PRVM_G_FLOAT(OFS_RETURN) = 1;
3767 }
3768 /*
3769 =========
3770 VM_drawrotpic
3771
3772 float   drawrotpic(vector position, string pic, vector size, vector org, float angle, vector rgb, float alpha, float flag)
3773 =========
3774 */
3775 void VM_drawrotpic(prvm_prog_t *prog)
3776 {
3777         const char *picname;
3778         prvm_vec_t *size, *pos, *org, *rgb;
3779         int flag;
3780
3781         VM_SAFEPARMCOUNT(8,VM_drawrotpic);
3782
3783         picname = PRVM_G_STRING(OFS_PARM1);
3784         VM_CheckEmptyString(prog, picname);
3785
3786         // is pic cached ? no function yet for that
3787         if(!1)
3788         {
3789                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3790                 VM_Warning(prog, "VM_drawrotpic: %s: %s not cached !\n", prog->name, picname);
3791                 return;
3792         }
3793
3794         pos = PRVM_G_VECTOR(OFS_PARM0);
3795         size = PRVM_G_VECTOR(OFS_PARM2);
3796         org = PRVM_G_VECTOR(OFS_PARM3);
3797         rgb = PRVM_G_VECTOR(OFS_PARM5);
3798         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3799
3800         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3801         {
3802                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3803                 VM_Warning(prog, "VM_drawrotpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3804                 return;
3805         }
3806
3807         if(pos[2] || size[2] || org[2])
3808                 VM_Warning(prog, "VM_drawrotpic: z value from pos/size/org discarded\n");
3809
3810         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);
3811         PRVM_G_FLOAT(OFS_RETURN) = 1;
3812 }
3813 /*
3814 =========
3815 VM_drawsubpic
3816
3817 float   drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
3818
3819 =========
3820 */
3821 void VM_drawsubpic(prvm_prog_t *prog)
3822 {
3823         const char *picname;
3824         prvm_vec_t *size, *pos, *rgb, *srcPos, *srcSize, alpha;
3825         int flag;
3826
3827         VM_SAFEPARMCOUNT(8,VM_drawsubpic);
3828
3829         picname = PRVM_G_STRING(OFS_PARM2);
3830         VM_CheckEmptyString(prog, picname);
3831
3832         // is pic cached ? no function yet for that
3833         if(!1)
3834         {
3835                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3836                 VM_Warning(prog, "VM_drawsubpic: %s: %s not cached !\n", prog->name, picname);
3837                 return;
3838         }
3839
3840         pos = PRVM_G_VECTOR(OFS_PARM0);
3841         size = PRVM_G_VECTOR(OFS_PARM1);
3842         srcPos = PRVM_G_VECTOR(OFS_PARM3);
3843         srcSize = PRVM_G_VECTOR(OFS_PARM4);
3844         rgb = PRVM_G_VECTOR(OFS_PARM5);
3845         alpha = PRVM_G_FLOAT(OFS_PARM6);
3846         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3847
3848         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3849         {
3850                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3851                 VM_Warning(prog, "VM_drawsubpic: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3852                 return;
3853         }
3854
3855         if(pos[2] || size[2])
3856                 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")));
3857
3858         DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT),
3859                 size[0], size[1],
3860                 srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3861                 srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3862                 srcPos[0],              srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3863                 srcPos[0] + srcSize[0], srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3864                 flag);
3865         PRVM_G_FLOAT(OFS_RETURN) = 1;
3866 }
3867
3868 /*
3869 =========
3870 VM_drawfill
3871
3872 float drawfill(vector position, vector size, vector rgb, float alpha, float flag)
3873 =========
3874 */
3875 void VM_drawfill(prvm_prog_t *prog)
3876 {
3877         prvm_vec_t *size, *pos, *rgb;
3878         int flag;
3879
3880         VM_SAFEPARMCOUNT(5,VM_drawfill);
3881
3882
3883         pos = PRVM_G_VECTOR(OFS_PARM0);
3884         size = PRVM_G_VECTOR(OFS_PARM1);
3885         rgb = PRVM_G_VECTOR(OFS_PARM2);
3886         flag = (int) PRVM_G_FLOAT(OFS_PARM4);
3887
3888         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3889         {
3890                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3891                 VM_Warning(prog, "VM_drawfill: %s: wrong DRAWFLAG %i !\n",prog->name,flag);
3892                 return;
3893         }
3894
3895         if(pos[2] || size[2])
3896                 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")));
3897
3898         DrawQ_Fill(pos[0], pos[1], size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
3899         PRVM_G_FLOAT(OFS_RETURN) = 1;
3900 }
3901
3902 /*
3903 =========
3904 VM_drawsetcliparea
3905
3906 drawsetcliparea(float x, float y, float width, float height)
3907 =========
3908 */
3909 void VM_drawsetcliparea(prvm_prog_t *prog)
3910 {
3911         float x,y,w,h;
3912         VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
3913
3914         x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
3915         y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
3916         w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
3917         h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
3918
3919         DrawQ_SetClipArea(x, y, w, h);
3920 }
3921
3922 /*
3923 =========
3924 VM_drawresetcliparea
3925
3926 drawresetcliparea()
3927 =========
3928 */
3929 void VM_drawresetcliparea(prvm_prog_t *prog)
3930 {
3931         VM_SAFEPARMCOUNT(0,VM_drawresetcliparea);
3932
3933         DrawQ_ResetClipArea();
3934 }
3935
3936 /*
3937 =========
3938 VM_getimagesize
3939
3940 vector  getimagesize(string pic)
3941 =========
3942 */
3943 void VM_getimagesize(prvm_prog_t *prog)
3944 {
3945         const char *p;
3946         cachepic_t *pic;
3947
3948         VM_SAFEPARMCOUNT(1,VM_getimagesize);
3949
3950         p = PRVM_G_STRING(OFS_PARM0);
3951         VM_CheckEmptyString(prog, p);
3952
3953         pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
3954         if( pic->tex == r_texture_notexture )
3955         {
3956                 PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
3957                 PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
3958         }
3959         else
3960         {
3961                 PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
3962                 PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
3963         }
3964         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
3965 }
3966
3967 /*
3968 =========
3969 VM_keynumtostring
3970
3971 string keynumtostring(float keynum)
3972 =========
3973 */
3974 void VM_keynumtostring (prvm_prog_t *prog)
3975 {
3976         char tinystr[2];
3977         VM_SAFEPARMCOUNT(1, VM_keynumtostring);
3978
3979         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0), tinystr, sizeof(tinystr)));
3980 }
3981
3982 /*
3983 =========
3984 VM_findkeysforcommand
3985
3986 string  findkeysforcommand(string command, float bindmap)
3987
3988 the returned string is an altstring
3989 =========
3990 */
3991 #define FKFC_NUMKEYS 5
3992 void M_FindKeysForCommand(const char *command, int *keys);
3993 void VM_findkeysforcommand(prvm_prog_t *prog)
3994 {
3995         const char *cmd;
3996         char ret[VM_STRINGTEMP_LENGTH];
3997         int keys[FKFC_NUMKEYS];
3998         int i;
3999         int bindmap;
4000         char vabuf[1024];
4001
4002         VM_SAFEPARMCOUNTRANGE(1, 2, VM_findkeysforcommand);
4003
4004         cmd = PRVM_G_STRING(OFS_PARM0);
4005         if(prog->argc == 2)
4006                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4007         else
4008                 bindmap = 0; // consistent to "bind"
4009
4010         VM_CheckEmptyString(prog, cmd);
4011
4012         Key_FindKeysForCommand(cmd, keys, FKFC_NUMKEYS, bindmap);
4013
4014         ret[0] = 0;
4015         for(i = 0; i < FKFC_NUMKEYS; i++)
4016                 strlcat(ret, va(vabuf, sizeof(vabuf), " \'%i\'", keys[i]), sizeof(ret));
4017
4018         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, ret);
4019 }
4020
4021 /*
4022 =========
4023 VM_stringtokeynum
4024
4025 float stringtokeynum(string key)
4026 =========
4027 */
4028 void VM_stringtokeynum (prvm_prog_t *prog)
4029 {
4030         VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
4031
4032         PRVM_G_FLOAT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
4033 }
4034
4035 /*
4036 =========
4037 VM_getkeybind
4038
4039 string getkeybind(float key, float bindmap)
4040 =========
4041 */
4042 void VM_getkeybind (prvm_prog_t *prog)
4043 {
4044         int bindmap;
4045         VM_SAFEPARMCOUNTRANGE(1, 2, VM_CL_getkeybind);
4046         if(prog->argc == 2)
4047                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM1), MAX_BINDMAPS-1);
4048         else
4049                 bindmap = 0; // consistent to "bind"
4050
4051         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0), bindmap));
4052 }
4053
4054 /*
4055 =========
4056 VM_setkeybind
4057
4058 float setkeybind(float key, string cmd, float bindmap)
4059 =========
4060 */
4061 void VM_setkeybind (prvm_prog_t *prog)
4062 {
4063         int bindmap;
4064         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_setkeybind);
4065         if(prog->argc == 3)
4066                 bindmap = bound(-1, PRVM_G_FLOAT(OFS_PARM2), MAX_BINDMAPS-1);
4067         else
4068                 bindmap = 0; // consistent to "bind"
4069
4070         PRVM_G_FLOAT(OFS_RETURN) = 0;
4071         if(Key_SetBinding((int)PRVM_G_FLOAT(OFS_PARM0), bindmap, PRVM_G_STRING(OFS_PARM1)))
4072                 PRVM_G_FLOAT(OFS_RETURN) = 1;
4073 }
4074
4075 /*
4076 =========
4077 VM_getbindmap
4078
4079 vector getbindmaps()
4080 =========
4081 */
4082 void VM_getbindmaps (prvm_prog_t *prog)
4083 {
4084         int fg, bg;
4085         VM_SAFEPARMCOUNT(0, VM_CL_getbindmap);
4086         Key_GetBindMap(&fg, &bg);
4087         PRVM_G_VECTOR(OFS_RETURN)[0] = fg;
4088         PRVM_G_VECTOR(OFS_RETURN)[1] = bg;
4089         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4090 }
4091
4092 /*
4093 =========
4094 VM_setbindmap
4095
4096 float setbindmaps(vector bindmap)
4097 =========
4098 */
4099 void VM_setbindmaps (prvm_prog_t *prog)
4100 {
4101         VM_SAFEPARMCOUNT(1, VM_CL_setbindmap);
4102         PRVM_G_FLOAT(OFS_RETURN) = 0;
4103         if(PRVM_G_VECTOR(OFS_PARM0)[2] == 0)
4104                 if(Key_SetBindMap((int)PRVM_G_VECTOR(OFS_PARM0)[0], (int)PRVM_G_VECTOR(OFS_PARM0)[1]))
4105                         PRVM_G_FLOAT(OFS_RETURN) = 1;
4106 }
4107
4108 // CL_Video interface functions
4109
4110 /*
4111 ========================
4112 VM_cin_open
4113
4114 float cin_open(string file, string name)
4115 ========================
4116 */
4117 void VM_cin_open(prvm_prog_t *prog)
4118 {
4119         const char *file;
4120         const char *name;
4121
4122         VM_SAFEPARMCOUNT( 2, VM_cin_open );
4123
4124         file = PRVM_G_STRING( OFS_PARM0 );
4125         name = PRVM_G_STRING( OFS_PARM1 );
4126
4127         VM_CheckEmptyString(prog,  file );
4128     VM_CheckEmptyString(prog,  name );
4129
4130         if( CL_OpenVideo( file, name, MENUOWNER, "" ) )
4131                 PRVM_G_FLOAT( OFS_RETURN ) = 1;
4132         else
4133                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4134 }
4135
4136 /*
4137 ========================
4138 VM_cin_close
4139
4140 void cin_close(string name)
4141 ========================
4142 */
4143 void VM_cin_close(prvm_prog_t *prog)
4144 {
4145         const char *name;
4146
4147         VM_SAFEPARMCOUNT( 1, VM_cin_close );
4148
4149         name = PRVM_G_STRING( OFS_PARM0 );
4150         VM_CheckEmptyString(prog,  name );
4151
4152         CL_CloseVideo( CL_GetVideoByName( name ) );
4153 }
4154
4155 /*
4156 ========================
4157 VM_cin_setstate
4158 void cin_setstate(string name, float type)
4159 ========================
4160 */
4161 void VM_cin_setstate(prvm_prog_t *prog)
4162 {
4163         const char *name;
4164         clvideostate_t  state;
4165         clvideo_t               *video;
4166
4167         VM_SAFEPARMCOUNT( 2, VM_cin_netstate );
4168
4169         name = PRVM_G_STRING( OFS_PARM0 );
4170         VM_CheckEmptyString(prog,  name );
4171
4172         state = (clvideostate_t)((int)PRVM_G_FLOAT( OFS_PARM1 ));
4173
4174         video = CL_GetVideoByName( name );
4175         if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
4176                 CL_SetVideoState( video, state );
4177 }
4178
4179 /*
4180 ========================
4181 VM_cin_getstate
4182
4183 float cin_getstate(string name)
4184 ========================
4185 */
4186 void VM_cin_getstate(prvm_prog_t *prog)
4187 {
4188         const char *name;
4189         clvideo_t               *video;
4190
4191         VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
4192
4193         name = PRVM_G_STRING( OFS_PARM0 );
4194         VM_CheckEmptyString(prog,  name );
4195
4196         video = CL_GetVideoByName( name );
4197         if( video )
4198                 PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
4199         else
4200                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4201 }
4202
4203 /*
4204 ========================
4205 VM_cin_restart
4206
4207 void cin_restart(string name)
4208 ========================
4209 */
4210 void VM_cin_restart(prvm_prog_t *prog)
4211 {
4212         const char *name;
4213         clvideo_t               *video;
4214
4215         VM_SAFEPARMCOUNT( 1, VM_cin_restart );
4216
4217         name = PRVM_G_STRING( OFS_PARM0 );
4218         VM_CheckEmptyString(prog,  name );
4219
4220         video = CL_GetVideoByName( name );
4221         if( video )
4222                 CL_RestartVideo( video );
4223 }
4224
4225 /*
4226 ========================
4227 VM_gecko_create
4228
4229 float[bool] gecko_create( string name )
4230 ========================
4231 */
4232 void VM_gecko_create(prvm_prog_t *prog) {
4233         // REMOVED
4234         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4235 }
4236
4237 /*
4238 ========================
4239 VM_gecko_destroy
4240
4241 void gecko_destroy( string name )
4242 ========================
4243 */
4244 void VM_gecko_destroy(prvm_prog_t *prog) {
4245         // REMOVED
4246 }
4247
4248 /*
4249 ========================
4250 VM_gecko_navigate
4251
4252 void gecko_navigate( string name, string URI )
4253 ========================
4254 */
4255 void VM_gecko_navigate(prvm_prog_t *prog) {
4256         // REMOVED
4257 }
4258
4259 /*
4260 ========================
4261 VM_gecko_keyevent
4262
4263 float[bool] gecko_keyevent( string name, float key, float eventtype )
4264 ========================
4265 */
4266 void VM_gecko_keyevent(prvm_prog_t *prog) {
4267         // REMOVED
4268         PRVM_G_FLOAT( OFS_RETURN ) = 0;
4269 }
4270
4271 /*
4272 ========================
4273 VM_gecko_movemouse
4274
4275 void gecko_mousemove( string name, float x, float y )
4276 ========================
4277 */
4278 void VM_gecko_movemouse(prvm_prog_t *prog) {
4279         // REMOVED
4280 }
4281
4282
4283 /*
4284 ========================
4285 VM_gecko_resize
4286
4287 void gecko_resize( string name, float w, float h )
4288 ========================
4289 */
4290 void VM_gecko_resize(prvm_prog_t *prog) {
4291         // REMOVED
4292 }
4293
4294
4295 /*
4296 ========================
4297 VM_gecko_get_texture_extent
4298
4299 vector gecko_get_texture_extent( string name )
4300 ========================
4301 */
4302 void VM_gecko_get_texture_extent(prvm_prog_t *prog) {
4303         // REMOVED
4304         PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
4305         PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
4306 }
4307
4308
4309
4310 /*
4311 ==============
4312 VM_makevectors
4313
4314 Writes new values for v_forward, v_up, and v_right based on angles
4315 void makevectors(vector angle)
4316 ==============
4317 */
4318 void VM_makevectors (prvm_prog_t *prog)
4319 {
4320         vec3_t angles, forward, right, up;
4321         VM_SAFEPARMCOUNT(1, VM_makevectors);
4322         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), angles);
4323         AngleVectors(angles, forward, right, up);
4324         VectorCopy(forward, PRVM_gameglobalvector(v_forward));
4325         VectorCopy(right, PRVM_gameglobalvector(v_right));
4326         VectorCopy(up, PRVM_gameglobalvector(v_up));
4327 }
4328
4329 /*
4330 ==============
4331 VM_vectorvectors
4332
4333 Writes new values for v_forward, v_up, and v_right based on the given forward vector
4334 vectorvectors(vector)
4335 ==============
4336 */
4337 void VM_vectorvectors (prvm_prog_t *prog)
4338 {
4339         vec3_t forward, right, up;
4340         VM_SAFEPARMCOUNT(1, VM_vectorvectors);
4341         VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), forward);
4342         VectorVectors(forward, right, up);
4343         VectorCopy(forward, PRVM_gameglobalvector(v_forward));
4344         VectorCopy(right, PRVM_gameglobalvector(v_right));
4345         VectorCopy(up, PRVM_gameglobalvector(v_up));
4346 }
4347
4348 /*
4349 ========================
4350 VM_drawline
4351
4352 void drawline(float width, vector pos1, vector pos2, vector rgb, float alpha, float flags)
4353 ========================
4354 */
4355 void VM_drawline (prvm_prog_t *prog)
4356 {
4357         prvm_vec_t      *c1, *c2, *rgb;
4358         float   alpha, width;
4359         unsigned char   flags;
4360
4361         VM_SAFEPARMCOUNT(6, VM_drawline);
4362         width   = PRVM_G_FLOAT(OFS_PARM0);
4363         c1              = PRVM_G_VECTOR(OFS_PARM1);
4364         c2              = PRVM_G_VECTOR(OFS_PARM2);
4365         rgb             = PRVM_G_VECTOR(OFS_PARM3);
4366         alpha   = PRVM_G_FLOAT(OFS_PARM4);
4367         flags   = (int)PRVM_G_FLOAT(OFS_PARM5);
4368         DrawQ_Line(width, c1[0], c1[1], c2[0], c2[1], rgb[0], rgb[1], rgb[2], alpha, flags);
4369 }
4370
4371 // float(float number, float quantity) bitshift (EXT_BITSHIFT)
4372 void VM_bitshift (prvm_prog_t *prog)
4373 {
4374         prvm_int_t n1, n2;
4375         VM_SAFEPARMCOUNT(2, VM_bitshift);
4376
4377         n1 = (prvm_int_t)fabs((prvm_vec_t)((prvm_int_t)PRVM_G_FLOAT(OFS_PARM0)));
4378         n2 = (prvm_int_t)PRVM_G_FLOAT(OFS_PARM1);
4379         if(!n1)
4380                 PRVM_G_FLOAT(OFS_RETURN) = n1;
4381         else
4382         if(n2 < 0)
4383                 PRVM_G_FLOAT(OFS_RETURN) = (n1 >> -n2);
4384         else
4385                 PRVM_G_FLOAT(OFS_RETURN) = (n1 << n2);
4386 }
4387
4388 ////////////////////////////////////////
4389 // AltString functions
4390 ////////////////////////////////////////
4391
4392 /*
4393 ========================
4394 VM_altstr_count
4395
4396 float altstr_count(string)
4397 ========================
4398 */
4399 void VM_altstr_count(prvm_prog_t *prog)
4400 {
4401         const char *altstr, *pos;
4402         int     count;
4403
4404         VM_SAFEPARMCOUNT( 1, VM_altstr_count );
4405
4406         altstr = PRVM_G_STRING( OFS_PARM0 );
4407         //VM_CheckEmptyString(prog,  altstr );
4408
4409         for( count = 0, pos = altstr ; *pos ; pos++ ) {
4410                 if( *pos == '\\' ) {
4411                         if( !*++pos ) {
4412                                 break;
4413                         }
4414                 } else if( *pos == '\'' ) {
4415                         count++;
4416                 }
4417         }
4418
4419         PRVM_G_FLOAT( OFS_RETURN ) = (prvm_vec_t) (count / 2);
4420 }
4421
4422 /*
4423 ========================
4424 VM_altstr_prepare
4425
4426 string altstr_prepare(string)
4427 ========================
4428 */
4429 void VM_altstr_prepare(prvm_prog_t *prog)
4430 {
4431         const char *instr, *in;
4432         char outstr[VM_STRINGTEMP_LENGTH];
4433         size_t outpos;
4434
4435         VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
4436
4437         instr = PRVM_G_STRING( OFS_PARM0 );
4438
4439         for (in = instr, outpos = 0; *in && outpos < sizeof(outstr) - 1; ++in)
4440         {
4441                 if (*in == '\'' && outpos < sizeof(outstr) - 2)
4442                 {
4443                         outstr[outpos++] = '\\';
4444                         outstr[outpos++] = '\'';
4445                 }
4446                 else
4447                         outstr[outpos++] = *in;
4448         }
4449         outstr[outpos] = 0;
4450
4451         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4452 }
4453
4454 /*
4455 ========================
4456 VM_altstr_get
4457
4458 string altstr_get(string, float)
4459 ========================
4460 */
4461 void VM_altstr_get(prvm_prog_t *prog)
4462 {
4463         const char *altstr, *pos;
4464         char *out;
4465         int count, size;
4466         char outstr[VM_STRINGTEMP_LENGTH];
4467
4468         VM_SAFEPARMCOUNT( 2, VM_altstr_get );
4469
4470         altstr = PRVM_G_STRING( OFS_PARM0 );
4471
4472         count = (int)PRVM_G_FLOAT( OFS_PARM1 );
4473         count = count * 2 + 1;
4474
4475         for( pos = altstr ; *pos && count ; pos++ )
4476                 if( *pos == '\\' ) {
4477                         if( !*++pos )
4478                                 break;
4479                 } else if( *pos == '\'' )
4480                         count--;
4481
4482         if( !*pos ) {
4483                 PRVM_G_INT( OFS_RETURN ) = 0;
4484                 return;
4485         }
4486
4487         for( out = outstr, size = sizeof(outstr) - 1 ; size && *pos ; size--, pos++, out++ )
4488                 if( *pos == '\\' ) {
4489                         if( !*++pos )
4490                                 break;
4491                         *out = *pos;
4492                         size--;
4493                 } else if( *pos == '\'' )
4494                         break;
4495                 else
4496                         *out = *pos;
4497
4498         *out = 0;
4499         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4500 }
4501
4502 /*
4503 ========================
4504 VM_altstr_set
4505
4506 string altstr_set(string altstr, float num, string set)
4507 ========================
4508 */
4509 void VM_altstr_set(prvm_prog_t *prog)
4510 {
4511     int num;
4512         const char *altstr, *str;
4513         const char *in;
4514         char *out;
4515         char outstr[VM_STRINGTEMP_LENGTH];
4516
4517         VM_SAFEPARMCOUNT( 3, VM_altstr_set );
4518
4519         altstr = PRVM_G_STRING( OFS_PARM0 );
4520
4521         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4522
4523         str = PRVM_G_STRING( OFS_PARM2 );
4524
4525         out = outstr;
4526         for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
4527                 if( *in == '\\' ) {
4528                         if( !*++in ) {
4529                                 break;
4530                         }
4531                 } else if( *in == '\'' ) {
4532                         num--;
4533                 }
4534
4535         // copy set in
4536         for( ; *str; *out++ = *str++ );
4537         // now jump over the old content
4538         for( ; *in ; in++ )
4539                 if( *in == '\'' || (*in == '\\' && !*++in) )
4540                         break;
4541
4542         strlcpy(out, in, outstr + sizeof(outstr) - out);
4543         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4544 }
4545
4546 /*
4547 ========================
4548 VM_altstr_ins
4549 insert after num
4550 string  altstr_ins(string altstr, float num, string set)
4551 ========================
4552 */
4553 void VM_altstr_ins(prvm_prog_t *prog)
4554 {
4555         int num;
4556         const char *set;
4557         const char *in;
4558         char *out;
4559         char outstr[VM_STRINGTEMP_LENGTH];
4560
4561         VM_SAFEPARMCOUNT(3, VM_altstr_ins);
4562
4563         in = PRVM_G_STRING( OFS_PARM0 );
4564         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4565         set = PRVM_G_STRING( OFS_PARM2 );
4566
4567         out = outstr;
4568         for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
4569                 if( *in == '\\' ) {
4570                         if( !*++in ) {
4571                                 break;
4572                         }
4573                 } else if( *in == '\'' ) {
4574                         num--;
4575                 }
4576
4577         *out++ = '\'';
4578         for( ; *set ; *out++ = *set++ );
4579         *out++ = '\'';
4580
4581         strlcpy(out, in, outstr + sizeof(outstr) - out);
4582         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString(prog,  outstr );
4583 }
4584
4585
4586 ////////////////////////////////////////
4587 // BufString functions
4588 ////////////////////////////////////////
4589 //[515]: string buffers support
4590
4591 static size_t stringbuffers_sortlength;
4592
4593 static void BufStr_Expand(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer, int strindex)
4594 {
4595         if (stringbuffer->max_strings <= strindex)
4596         {
4597                 char **oldstrings = stringbuffer->strings;
4598                 stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
4599                 while (stringbuffer->max_strings <= strindex)
4600                         stringbuffer->max_strings *= 2;
4601                 stringbuffer->strings = (char **) Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
4602                 if (stringbuffer->num_strings > 0)
4603                         memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
4604                 if (oldstrings)
4605                         Mem_Free(oldstrings);
4606         }
4607 }
4608
4609 static void BufStr_Shrink(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer)
4610 {
4611         // reduce num_strings if there are empty string slots at the end
4612         while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
4613                 stringbuffer->num_strings--;
4614
4615         // if empty, free the string pointer array
4616         if (stringbuffer->num_strings == 0)
4617         {
4618                 stringbuffer->max_strings = 0;
4619                 if (stringbuffer->strings)
4620                         Mem_Free(stringbuffer->strings);
4621                 stringbuffer->strings = NULL;
4622         }
4623 }
4624
4625 static int BufStr_SortStringsUP (const void *in1, const void *in2)
4626 {
4627         const char *a, *b;
4628         a = *((const char **) in1);
4629         b = *((const char **) in2);
4630         if(!a || !a[0]) return 1;
4631         if(!b || !b[0]) return -1;
4632         return strncmp(a, b, stringbuffers_sortlength);
4633 }
4634
4635 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
4636 {
4637         const char *a, *b;
4638         a = *((const char **) in1);
4639         b = *((const char **) in2);
4640         if(!a || !a[0]) return 1;
4641         if(!b || !b[0]) return -1;
4642         return strncmp(b, a, stringbuffers_sortlength);
4643 }
4644
4645 prvm_stringbuffer_t *BufStr_FindCreateReplace (prvm_prog_t *prog, int bufindex, int flags, const char *format)
4646 {
4647         prvm_stringbuffer_t *stringbuffer;
4648         int i;
4649
4650         if (bufindex < 0)
4651                 return NULL;
4652
4653         // find buffer with wanted index
4654         if (bufindex < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray))
4655         {
4656                 if ( (stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, bufindex)) )
4657                 {
4658                         if (stringbuffer->flags & STRINGBUFFER_TEMP)
4659                                 stringbuffer->flags = flags; // created but has not been used yet
4660                         return stringbuffer;
4661                 }
4662                 return NULL;
4663         }
4664
4665         // allocate new buffer with wanted index
4666         while(1)
4667         {
4668                 stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4669                 stringbuffer->flags = STRINGBUFFER_TEMP;
4670                 for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4671                 if (i == bufindex)
4672                 {
4673                         stringbuffer->flags = flags; // mark as used
4674                         break;
4675                 }
4676         }
4677         return stringbuffer;
4678 }
4679
4680 void BufStr_Set(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer, int strindex, const char *str)
4681 {
4682         size_t  alloclen;
4683
4684         if (!stringbuffer || strindex < 0)
4685                 return;
4686
4687         BufStr_Expand(prog, stringbuffer, strindex);
4688         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
4689         if (stringbuffer->strings[strindex])
4690                 Mem_Free(stringbuffer->strings[strindex]);
4691         stringbuffer->strings[strindex] = NULL;
4692
4693         if (str)
4694         {
4695                 // not the NULL string!
4696                 alloclen = strlen(str) + 1;
4697                 stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
4698                 memcpy(stringbuffer->strings[strindex], str, alloclen);
4699         }
4700
4701         BufStr_Shrink(prog, stringbuffer);
4702 }
4703
4704 void BufStr_Del(prvm_prog_t *prog, prvm_stringbuffer_t *stringbuffer)
4705 {
4706         int i;
4707
4708         if (!stringbuffer)
4709                 return;
4710
4711         for (i = 0;i < stringbuffer->num_strings;i++)
4712                 if (stringbuffer->strings[i])
4713                         Mem_Free(stringbuffer->strings[i]);
4714         if (stringbuffer->strings)
4715                 Mem_Free(stringbuffer->strings);
4716         if(stringbuffer->origin)
4717                 PRVM_Free((char *)stringbuffer->origin);
4718         Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
4719 }
4720
4721 void BufStr_Flush(prvm_prog_t *prog)
4722 {
4723         prvm_stringbuffer_t *stringbuffer;
4724         int i, numbuffers;
4725
4726         numbuffers = (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray);
4727         for (i = 0; i < numbuffers; i++)
4728                 if ( (stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i)) )
4729                         BufStr_Del(prog, stringbuffer);
4730         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
4731 }
4732
4733 /*
4734 ========================
4735 VM_buf_create
4736 creates new buffer, and returns it's index, returns -1 if failed
4737 float buf_create(prvm_prog_t *prog) = #460;
4738 float newbuf(string format, float flags) = #460;
4739 ========================
4740 */
4741
4742 void VM_buf_create (prvm_prog_t *prog)
4743 {
4744         prvm_stringbuffer_t *stringbuffer;
4745         int i;
4746
4747         VM_SAFEPARMCOUNTRANGE(0, 2, VM_buf_create);
4748
4749         // VorteX: optional parm1 (buffer format) is unfinished, to keep intact with future databuffers extension must be set to "string"
4750         if(prog->argc >= 1 && strcmp(PRVM_G_STRING(OFS_PARM0), "string"))
4751         {
4752                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4753                 return;
4754         }
4755         stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4756         for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4757         stringbuffer->origin = PRVM_AllocationOrigin(prog);
4758         // optional flags parm
4759         if (prog->argc >= 2)
4760                 stringbuffer->flags = (int)PRVM_G_FLOAT(OFS_PARM1) & STRINGBUFFER_QCFLAGS;
4761         PRVM_G_FLOAT(OFS_RETURN) = i;
4762 }
4763
4764
4765
4766 /*
4767 ========================
4768 VM_buf_del
4769 deletes buffer and all strings in it
4770 void buf_del(float bufhandle) = #461;
4771 ========================
4772 */
4773 void VM_buf_del (prvm_prog_t *prog)
4774 {
4775         prvm_stringbuffer_t *stringbuffer;
4776         VM_SAFEPARMCOUNT(1, VM_buf_del);
4777         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4778         if (stringbuffer)
4779                 BufStr_Del(prog, stringbuffer);
4780         else
4781         {
4782                 VM_Warning(prog, "VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4783                 return;
4784         }
4785 }
4786
4787 /*
4788 ========================
4789 VM_buf_getsize
4790 how many strings are stored in buffer
4791 float buf_getsize(float bufhandle) = #462;
4792 ========================
4793 */
4794 void VM_buf_getsize (prvm_prog_t *prog)
4795 {
4796         prvm_stringbuffer_t *stringbuffer;
4797         VM_SAFEPARMCOUNT(1, VM_buf_getsize);
4798
4799         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4800         if(!stringbuffer)
4801         {
4802                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4803                 VM_Warning(prog, "VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4804                 return;
4805         }
4806         else
4807                 PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
4808 }
4809
4810 /*
4811 ========================
4812 VM_buf_copy
4813 copy all content from one buffer to another, make sure it exists
4814 void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
4815 ========================
4816 */
4817 void VM_buf_copy (prvm_prog_t *prog)
4818 {
4819         prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
4820         int i;
4821         VM_SAFEPARMCOUNT(2, VM_buf_copy);
4822
4823         srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4824         if(!srcstringbuffer)
4825         {
4826                 VM_Warning(prog, "VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4827                 return;
4828         }
4829         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4830         if(i == (int)PRVM_G_FLOAT(OFS_PARM0))
4831         {
4832                 VM_Warning(prog, "VM_buf_copy: source == destination (%i) in %s\n", i, prog->name);
4833                 return;
4834         }
4835         dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4836         if(!dststringbuffer)
4837         {
4838                 VM_Warning(prog, "VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
4839                 return;
4840         }
4841
4842         for (i = 0;i < dststringbuffer->num_strings;i++)
4843                 if (dststringbuffer->strings[i])
4844                         Mem_Free(dststringbuffer->strings[i]);
4845         if (dststringbuffer->strings)
4846                 Mem_Free(dststringbuffer->strings);
4847         *dststringbuffer = *srcstringbuffer;
4848         if (dststringbuffer->max_strings)
4849                 dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
4850
4851         for (i = 0;i < dststringbuffer->num_strings;i++)
4852         {
4853                 if (srcstringbuffer->strings[i])
4854                 {
4855                         size_t stringlen;
4856                         stringlen = strlen(srcstringbuffer->strings[i]) + 1;
4857                         dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
4858                         memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
4859                 }
4860         }
4861 }
4862
4863 /*
4864 ========================
4865 VM_buf_sort
4866 sort buffer by beginnings of strings (cmplength defaults it's length)
4867 "backward == TRUE" means that sorting goes upside-down
4868 void buf_sort(float bufhandle, float cmplength, float backward) = #464;
4869 ========================
4870 */
4871 void VM_buf_sort (prvm_prog_t *prog)
4872 {
4873         prvm_stringbuffer_t *stringbuffer;
4874         VM_SAFEPARMCOUNT(3, VM_buf_sort);
4875
4876         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4877         if(!stringbuffer)
4878         {
4879                 VM_Warning(prog, "VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4880                 return;
4881         }
4882         if(stringbuffer->num_strings <= 0)
4883         {
4884                 VM_Warning(prog, "VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4885                 return;
4886         }
4887         stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
4888         if(stringbuffers_sortlength <= 0)
4889                 stringbuffers_sortlength = 0x7FFFFFFF;
4890
4891         if(!PRVM_G_FLOAT(OFS_PARM2))
4892                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
4893         else
4894                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
4895
4896         BufStr_Shrink(prog, stringbuffer);
4897 }
4898
4899 /*
4900 ========================
4901 VM_buf_implode
4902 concantenates all buffer string into one with "glue" separator and returns it as tempstring
4903 string buf_implode(float bufhandle, string glue) = #465;
4904 ========================
4905 */
4906 void VM_buf_implode (prvm_prog_t *prog)
4907 {
4908         prvm_stringbuffer_t *stringbuffer;
4909         char                    k[VM_STRINGTEMP_LENGTH];
4910         const char              *sep;
4911         int                             i;
4912         size_t                  l;
4913         VM_SAFEPARMCOUNT(2, VM_buf_implode);
4914
4915         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4916         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4917         if(!stringbuffer)
4918         {
4919                 VM_Warning(prog, "VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4920                 return;
4921         }
4922         if(!stringbuffer->num_strings)
4923                 return;
4924         sep = PRVM_G_STRING(OFS_PARM1);
4925         k[0] = 0;
4926         for(l = i = 0;i < stringbuffer->num_strings;i++)
4927         {
4928                 if(stringbuffer->strings[i])
4929                 {
4930                         l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
4931                         if (l >= sizeof(k) - 1)
4932                                 break;
4933                         strlcat(k, sep, sizeof(k));
4934                         strlcat(k, stringbuffer->strings[i], sizeof(k));
4935                 }
4936         }
4937         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, k);
4938 }
4939
4940 /*
4941 ========================
4942 VM_bufstr_get
4943 get a string from buffer, returns tempstring, dont str_unzone it!
4944 string bufstr_get(float bufhandle, float string_index) = #465;
4945 ========================
4946 */
4947 void VM_bufstr_get (prvm_prog_t *prog)
4948 {
4949         prvm_stringbuffer_t *stringbuffer;
4950         int                             strindex;
4951         VM_SAFEPARMCOUNT(2, VM_bufstr_get);
4952
4953         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4954         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4955         if(!stringbuffer)
4956         {
4957                 VM_Warning(prog, "VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4958                 return;
4959         }
4960         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4961         if (strindex < 0)
4962         {
4963                 // VM_Warning(prog, "VM_bufstr_get: invalid string index %i used in %s\n", strindex, prog->name);
4964                 return;
4965         }
4966         if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
4967                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, stringbuffer->strings[strindex]);
4968 }
4969
4970 /*
4971 ========================
4972 VM_bufstr_set
4973 copies a string into selected slot of buffer
4974 void bufstr_set(float bufhandle, float string_index, string str) = #466;
4975 ========================
4976 */
4977 void VM_bufstr_set (prvm_prog_t *prog)
4978 {
4979         int                             strindex;
4980         prvm_stringbuffer_t *stringbuffer;
4981         const char              *news;
4982
4983         VM_SAFEPARMCOUNT(3, VM_bufstr_set);
4984
4985         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4986         if(!stringbuffer)
4987         {
4988                 VM_Warning(prog, "VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
4989                 return;
4990         }
4991         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4992         if(strindex < 0 || strindex >= 1000000) // huge number of strings
4993         {
4994                 VM_Warning(prog, "VM_bufstr_set: invalid string index %i used in %s\n", strindex, prog->name);
4995                 return;
4996         }
4997
4998         news = PRVM_G_STRING(OFS_PARM2);
4999         BufStr_Set(prog, stringbuffer, strindex, news);
5000 }
5001
5002 /*
5003 ========================
5004 VM_bufstr_add
5005 adds string to buffer in first free slot and returns its index
5006 "order == TRUE" means that string will be added after last "full" slot
5007 float bufstr_add(float bufhandle, string str, float order) = #467;
5008 ========================
5009 */
5010 void VM_bufstr_add (prvm_prog_t *prog)
5011 {
5012         int                             order, strindex;
5013         prvm_stringbuffer_t *stringbuffer;
5014         const char              *string;
5015         size_t                  alloclen;
5016
5017         VM_SAFEPARMCOUNT(3, VM_bufstr_add);
5018
5019         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5020         PRVM_G_FLOAT(OFS_RETURN) = -1;
5021         if(!stringbuffer)
5022         {
5023                 VM_Warning(prog, "VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5024                 return;
5025         }
5026         if(!PRVM_G_INT(OFS_PARM1)) // NULL string
5027         {
5028                 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);
5029                 return;
5030         }
5031         string = PRVM_G_STRING(OFS_PARM1);
5032         order = (int)PRVM_G_FLOAT(OFS_PARM2);
5033         if(order)
5034                 strindex = stringbuffer->num_strings;
5035         else
5036                 for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
5037                         if (stringbuffer->strings[strindex] == NULL)
5038                                 break;
5039
5040         BufStr_Expand(prog, stringbuffer, strindex);
5041
5042         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5043         alloclen = strlen(string) + 1;
5044         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5045         memcpy(stringbuffer->strings[strindex], string, alloclen);
5046
5047         PRVM_G_FLOAT(OFS_RETURN) = strindex;
5048 }
5049
5050 /*
5051 ========================
5052 VM_bufstr_free
5053 delete string from buffer
5054 void bufstr_free(float bufhandle, float string_index) = #468;
5055 ========================
5056 */
5057 void VM_bufstr_free (prvm_prog_t *prog)
5058 {
5059         int                             i;
5060         prvm_stringbuffer_t     *stringbuffer;
5061         VM_SAFEPARMCOUNT(2, VM_bufstr_free);
5062
5063         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5064         if(!stringbuffer)
5065         {
5066                 VM_Warning(prog, "VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5067                 return;
5068         }
5069         i = (int)PRVM_G_FLOAT(OFS_PARM1);
5070         if(i < 0)
5071         {
5072                 VM_Warning(prog, "VM_bufstr_free: invalid string index %i used in %s\n", i, prog->name);
5073                 return;
5074         }
5075
5076         if (i < stringbuffer->num_strings)
5077         {
5078                 if(stringbuffer->strings[i])
5079                         Mem_Free(stringbuffer->strings[i]);
5080                 stringbuffer->strings[i] = NULL;
5081         }
5082
5083         BufStr_Shrink(prog, stringbuffer);
5084 }
5085
5086 /*
5087 ========================
5088 VM_buf_loadfile
5089 load a file into string buffer, return 0 or 1
5090 float buf_loadfile(string filename, float bufhandle) = #535;
5091 ========================
5092 */
5093 void VM_buf_loadfile(prvm_prog_t *prog)
5094 {
5095         size_t alloclen;
5096         prvm_stringbuffer_t *stringbuffer;
5097         char string[VM_STRINGTEMP_LENGTH];
5098         int strindex, c, end;
5099         const char *filename;
5100         char vabuf[1024];
5101         qfile_t *file;
5102
5103         VM_SAFEPARMCOUNT(2, VM_buf_loadfile);
5104
5105         // get file
5106         filename = PRVM_G_STRING(OFS_PARM0);
5107         file = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "data/%s", filename), false);
5108         if (file == NULL)
5109                 file = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "%s", filename), false);
5110         if (file == NULL)
5111         {
5112                 if (developer_extra.integer)
5113                         VM_Warning(prog, "VM_buf_loadfile: failed to open file %s in %s\n", filename, prog->name);
5114                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5115                 return;
5116         }
5117
5118         // get string buffer
5119         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM1));
5120         if(!stringbuffer)
5121         {
5122                 VM_Warning(prog, "VM_buf_loadfile: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
5123                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5124                 return;
5125         }
5126
5127         // read file (append to the end of buffer)
5128         strindex = stringbuffer->num_strings;
5129         while(1)
5130         {
5131                 // read line
5132                 end = 0;
5133                 for (;;)
5134                 {
5135                         c = FS_Getc(file);
5136                         if (c == '\r' || c == '\n' || c < 0)
5137                                 break;
5138                         if (end < VM_STRINGTEMP_LENGTH - 1)
5139                                 string[end++] = c;
5140                 }
5141                 string[end] = 0;
5142                 // remove \n following \r
5143                 if (c == '\r')
5144                 {
5145                         c = FS_Getc(file);
5146                         if (c != '\n')
5147                                 FS_UnGetc(file, (unsigned char)c);
5148                 }
5149                 // add and continue
5150                 if (c >= 0 || end)
5151                 {
5152                         BufStr_Expand(prog, stringbuffer, strindex);
5153                         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
5154                         alloclen = strlen(string) + 1;
5155                         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5156                         memcpy(stringbuffer->strings[strindex], string, alloclen);
5157                         strindex = stringbuffer->num_strings;
5158                 }
5159                 else
5160                         break;
5161         }
5162
5163         // close file
5164         FS_Close(file);
5165         PRVM_G_FLOAT(OFS_RETURN) = 1;
5166 }
5167
5168 /*
5169 ========================
5170 VM_buf_writefile
5171 writes stringbuffer to a file, returns 0 or 1
5172 float buf_writefile(float filehandle, float bufhandle, [, float startpos, float numstrings]) = #468;
5173 ========================
5174 */
5175
5176 void VM_buf_writefile(prvm_prog_t *prog)
5177 {
5178         int filenum, strindex, strnum, strlength;
5179         prvm_stringbuffer_t *stringbuffer;
5180
5181         VM_SAFEPARMCOUNTRANGE(2, 4, VM_buf_writefile);
5182
5183         // get file
5184         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
5185         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
5186         {
5187                 VM_Warning(prog, "VM_buf_writefile: invalid file handle %i used in %s\n", filenum, prog->name);
5188                 return;
5189         }
5190         if (prog->openfiles[filenum] == NULL)
5191         {
5192                 VM_Warning(prog, "VM_buf_writefile: no such file handle %i (or file has been closed) in %s\n", filenum, prog->name);
5193                 return;
5194         }
5195
5196         // get string buffer
5197         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM1));
5198         if(!stringbuffer)
5199         {
5200                 VM_Warning(prog, "VM_buf_writefile: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), prog->name);
5201                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5202                 return;
5203         }
5204
5205         // get start and end parms
5206         if (prog->argc > 3)
5207         {
5208                 strindex = (int)PRVM_G_FLOAT(OFS_PARM2);
5209                 strnum = (int)PRVM_G_FLOAT(OFS_PARM3);
5210         }
5211         else if (prog->argc > 2)
5212         {
5213                 strindex = (int)PRVM_G_FLOAT(OFS_PARM2);
5214                 strnum = stringbuffer->num_strings - strindex;
5215         }
5216         else
5217         {
5218                 strindex = 0;
5219                 strnum = stringbuffer->num_strings;
5220         }
5221         if (strindex < 0 || strindex >= stringbuffer->num_strings)
5222         {
5223                 VM_Warning(prog, "VM_buf_writefile: wrong start string index %i used in %s\n", strindex, prog->name);
5224                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5225                 return;
5226         }
5227         if (strnum < 0)
5228         {
5229                 VM_Warning(prog, "VM_buf_writefile: wrong strings count %i used in %s\n", strnum, prog->name);
5230                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5231                 return;
5232         }
5233
5234         // write
5235         while(strindex < stringbuffer->num_strings && strnum)
5236         {
5237                 if (stringbuffer->strings[strindex])
5238                 {
5239                         if ((strlength = (int)strlen(stringbuffer->strings[strindex])))
5240                                 FS_Write(prog->openfiles[filenum], stringbuffer->strings[strindex], strlength);
5241                         FS_Write(prog->openfiles[filenum], "\n", 1);
5242                 }
5243                 strindex++;
5244                 strnum--;
5245         }
5246
5247         PRVM_G_FLOAT(OFS_RETURN) = 1;
5248 }
5249
5250 #define MATCH_AUTO     0
5251 #define MATCH_WHOLE    1
5252 #define MATCH_LEFT     2
5253 #define MATCH_RIGHT    3
5254 #define MATCH_MIDDLE   4
5255 #define MATCH_PATTERN  5
5256
5257 static const char *detect_match_rule(char *pattern, int *matchrule)
5258 {
5259         char *ppos, *qpos;
5260         int patternlength;
5261
5262         patternlength = (int)strlen(pattern);
5263         ppos = strchr(pattern, '*');
5264         qpos = strchr(pattern, '?');
5265         // has ? - pattern
5266         if (qpos)
5267         {
5268                 *matchrule = MATCH_PATTERN;
5269                 return pattern;
5270         }
5271         // has * - left, mid, right or pattern
5272         if (ppos)
5273         {
5274                 // starts with * - may be right/mid or pattern
5275                 if ((ppos - pattern) == 0)
5276                 {
5277                         ppos = strchr(pattern+1, '*');
5278                         // *something
5279                         if (!ppos)
5280                         {
5281                                 *matchrule = MATCH_RIGHT;
5282                                 return pattern+1;
5283                         }
5284                         // *something*
5285                         if ((ppos - pattern) == patternlength)
5286                         {
5287                                 *matchrule = MATCH_MIDDLE;
5288                                 *ppos = 0;
5289                                 return pattern+1;
5290                         }
5291                         // *som*thing
5292                         *matchrule = MATCH_PATTERN;
5293                         return pattern;
5294                 }
5295                 // end with * - left
5296                 if ((ppos - pattern) == patternlength)
5297                 {
5298                         *matchrule = MATCH_LEFT;
5299                         *ppos = 0;
5300                         return pattern;
5301                 }
5302                 // som*thing
5303                 *matchrule = MATCH_PATTERN;
5304                 return pattern;
5305         }
5306         // have no wildcards - whole string
5307         *matchrule = MATCH_WHOLE;
5308         return pattern;
5309 }
5310
5311 // todo: support UTF8
5312 static qboolean match_rule(const char *string, int max_string, const char *pattern, int patternlength, int rule)
5313 {
5314         const char *mid;
5315
5316         if (rule == 1)
5317                 return !strncmp(string, pattern, max_string) ? true : false;
5318         if (rule == 2)
5319                 return !strncmp(string, pattern, patternlength) ? true : false;
5320         if (rule == 3)
5321         {
5322                 mid = strstr(string, pattern);
5323                 return mid && !*(mid+patternlength);
5324         }
5325         if (rule == 4)
5326                 return strstr(string, pattern) ? true : false;
5327         // pattern
5328         return matchpattern_with_separator(string, pattern, false, "", false) ? true : false;
5329 }
5330
5331 /*
5332 ========================
5333 VM_bufstr_find
5334 find an index of bufstring matching rule
5335 float bufstr_find(float bufhandle, string match, float matchrule, float startpos, float step) = #468;
5336 ========================
5337 */
5338
5339 void VM_bufstr_find(prvm_prog_t *prog)
5340 {
5341         prvm_stringbuffer_t *stringbuffer;
5342         char string[VM_STRINGTEMP_LENGTH];
5343         int matchrule, matchlen, i, step;
5344         const char *match;
5345
5346         VM_SAFEPARMCOUNTRANGE(3, 5, VM_bufstr_find);
5347
5348         PRVM_G_FLOAT(OFS_RETURN) = -1;
5349
5350         // get string buffer
5351         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5352         if(!stringbuffer)
5353         {
5354                 VM_Warning(prog, "VM_bufstr_find: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5355                 return;
5356         }
5357
5358         // get pattern/rule
5359         matchrule = (int)PRVM_G_FLOAT(OFS_PARM2);
5360         if (matchrule < 0 && matchrule > 5)
5361         {
5362                 VM_Warning(prog, "VM_bufstr_find: invalid match rule %i in %s\n", matchrule, prog->name);
5363                 return;
5364         }
5365         if (matchrule)
5366                 match = PRVM_G_STRING(OFS_PARM1);
5367         else
5368         {
5369                 strlcpy(string, PRVM_G_STRING(OFS_PARM1), sizeof(string));
5370                 match = detect_match_rule(string, &matchrule);
5371         }
5372         matchlen = (int)strlen(match);
5373
5374         // find
5375         i = (prog->argc > 3) ? (int)PRVM_G_FLOAT(OFS_PARM3) : 0;
5376         step = (prog->argc > 4) ? (int)PRVM_G_FLOAT(OFS_PARM4) : 1;
5377         while(i < stringbuffer->num_strings)
5378         {
5379                 if (stringbuffer->strings[i] && match_rule(stringbuffer->strings[i], VM_STRINGTEMP_LENGTH, match, matchlen, matchrule))
5380                 {
5381                         PRVM_G_FLOAT(OFS_RETURN) = i;
5382                         break;
5383                 }
5384                 i += step;
5385         }
5386 }
5387
5388 /*
5389 ========================
5390 VM_matchpattern
5391 float matchpattern(string s, string pattern, float matchrule, float startpos) = #468;
5392 ========================
5393 */
5394 void VM_matchpattern(prvm_prog_t *prog)
5395 {
5396         const char *s, *match;
5397         char string[VM_STRINGTEMP_LENGTH];
5398         int matchrule, l;
5399
5400         VM_SAFEPARMCOUNTRANGE(2, 4, VM_matchpattern);
5401
5402         s = PRVM_G_STRING(OFS_PARM0);
5403
5404         // get pattern/rule
5405         matchrule = (int)PRVM_G_FLOAT(OFS_PARM2);
5406         if (matchrule < 0 && matchrule > 5)
5407         {
5408                 VM_Warning(prog, "VM_bufstr_find: invalid match rule %i in %s\n", matchrule, prog->name);
5409                 return;
5410         }
5411         if (matchrule)
5412                 match = PRVM_G_STRING(OFS_PARM1);
5413         else
5414         {
5415                 strlcpy(string, PRVM_G_STRING(OFS_PARM1), sizeof(string));
5416                 match = detect_match_rule(string, &matchrule);
5417         }
5418
5419         // offset
5420         l = (int)strlen(match);
5421         if (prog->argc > 3)
5422                 s += max(0, min((unsigned int)PRVM_G_FLOAT(OFS_PARM3), strlen(s)-1));
5423
5424         // match
5425         PRVM_G_FLOAT(OFS_RETURN) = match_rule(s, VM_STRINGTEMP_LENGTH, match, l, matchrule);
5426 }
5427
5428 /*
5429 ========================
5430 VM_buf_cvarlist
5431 ========================
5432 */
5433
5434 void VM_buf_cvarlist(prvm_prog_t *prog)
5435 {
5436         cvar_t *cvar;
5437         const char *partial, *antipartial;
5438         size_t len, antilen;
5439         size_t alloclen;
5440         qboolean ispattern, antiispattern;
5441         int n;
5442         prvm_stringbuffer_t     *stringbuffer;
5443         VM_SAFEPARMCOUNTRANGE(2, 3, VM_buf_cvarlist);
5444
5445         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
5446         if(!stringbuffer)
5447         {
5448                 VM_Warning(prog, "VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
5449                 return;
5450         }
5451
5452         partial = PRVM_G_STRING(OFS_PARM1);
5453         if(!partial)
5454                 len = 0;
5455         else
5456                 len = strlen(partial);
5457
5458         if(prog->argc == 3)
5459                 antipartial = PRVM_G_STRING(OFS_PARM2);
5460         else
5461                 antipartial = NULL;
5462         if(!antipartial)
5463                 antilen = 0;
5464         else
5465                 antilen = strlen(antipartial);
5466
5467         for (n = 0;n < stringbuffer->num_strings;n++)
5468                 if (stringbuffer->strings[n])
5469                         Mem_Free(stringbuffer->strings[n]);
5470         if (stringbuffer->strings)
5471                 Mem_Free(stringbuffer->strings);
5472         stringbuffer->strings = NULL;
5473
5474         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
5475         antiispattern = antipartial && (strchr(antipartial, '*') || strchr(antipartial, '?'));
5476
5477         n = 0;
5478         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5479         {
5480                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5481                         continue;
5482
5483                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5484                         continue;
5485
5486                 ++n;
5487         }
5488
5489         stringbuffer->max_strings = stringbuffer->num_strings = n;
5490         if (stringbuffer->max_strings)
5491                 stringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(stringbuffer->strings[0]) * stringbuffer->max_strings);
5492
5493         n = 0;
5494         for(cvar = cvar_vars; cvar; cvar = cvar->next)
5495         {
5496                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
5497                         continue;
5498
5499                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
5500                         continue;
5501
5502                 alloclen = strlen(cvar->name) + 1;
5503                 stringbuffer->strings[n] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
5504                 memcpy(stringbuffer->strings[n], cvar->name, alloclen);
5505
5506                 ++n;
5507         }
5508 }
5509
5510
5511
5512
5513 //=============
5514
5515 /*
5516 ==============
5517 VM_changeyaw
5518
5519 This was a major timewaster in progs, so it was converted to C
5520 ==============
5521 */
5522 void VM_changeyaw (prvm_prog_t *prog)
5523 {
5524         prvm_edict_t            *ent;
5525         float           ideal, current, move, speed;
5526
5527         // this is called (VERY HACKISHLY) by VM_SV_MoveToGoal, so it can not use any
5528         // parameters because they are the parameters to VM_SV_MoveToGoal, not this
5529         //VM_SAFEPARMCOUNT(0, VM_changeyaw);
5530
5531         ent = PRVM_PROG_TO_EDICT(PRVM_gameglobaledict(self));
5532         if (ent == prog->edicts)
5533         {
5534                 VM_Warning(prog, "changeyaw: can not modify world entity\n");
5535                 return;
5536         }
5537         if (ent->priv.server->free)
5538         {
5539                 VM_Warning(prog, "changeyaw: can not modify free entity\n");
5540                 return;
5541         }
5542         current = PRVM_gameedictvector(ent, angles)[1];
5543         current = ANGLEMOD(current);
5544         ideal = PRVM_gameedictfloat(ent, ideal_yaw);
5545         speed = PRVM_gameedictfloat(ent, yaw_speed);
5546
5547         if (current == ideal)
5548                 return;
5549         move = ideal - current;
5550         if (ideal > current)
5551         {
5552                 if (move >= 180)
5553                         move = move - 360;
5554         }
5555         else
5556         {
5557                 if (move <= -180)
5558                         move = move + 360;
5559         }
5560         if (move > 0)
5561         {
5562                 if (move > speed)
5563                         move = speed;
5564         }
5565         else
5566         {
5567                 if (move < -speed)
5568                         move = -speed;
5569         }
5570
5571         current += move;
5572         PRVM_gameedictvector(ent, angles)[1] = ANGLEMOD(current);
5573 }
5574
5575 /*
5576 ==============
5577 VM_changepitch
5578 ==============
5579 */
5580 void VM_changepitch (prvm_prog_t *prog)
5581 {
5582         prvm_edict_t            *ent;
5583         float           ideal, current, move, speed;
5584
5585         VM_SAFEPARMCOUNT(1, VM_changepitch);
5586
5587         ent = PRVM_G_EDICT(OFS_PARM0);
5588         if (ent == prog->edicts)
5589         {
5590                 VM_Warning(prog, "changepitch: can not modify world entity\n");
5591                 return;
5592         }
5593         if (ent->priv.server->free)
5594         {
5595                 VM_Warning(prog, "changepitch: can not modify free entity\n");
5596                 return;
5597         }
5598         current = PRVM_gameedictvector(ent, angles)[0];
5599         current = ANGLEMOD(current);
5600         ideal = PRVM_gameedictfloat(ent, idealpitch);
5601         speed = PRVM_gameedictfloat(ent, pitch_speed);
5602
5603         if (current == ideal)
5604                 return;
5605         move = ideal - current;
5606         if (ideal > current)
5607         {
5608                 if (move >= 180)
5609                         move = move - 360;
5610         }
5611         else
5612         {
5613                 if (move <= -180)
5614                         move = move + 360;
5615         }
5616         if (move > 0)
5617         {
5618                 if (move > speed)
5619                         move = speed;
5620         }
5621         else
5622         {
5623                 if (move < -speed)
5624                         move = -speed;
5625         }
5626
5627         current += move;
5628         PRVM_gameedictvector(ent, angles)[0] = ANGLEMOD(current);
5629 }
5630
5631
5632 void VM_uncolorstring (prvm_prog_t *prog)
5633 {
5634         char szNewString[VM_STRINGTEMP_LENGTH];
5635         const char *szString;
5636
5637         // Prepare Strings
5638         VM_SAFEPARMCOUNT(1, VM_uncolorstring);
5639         szString = PRVM_G_STRING(OFS_PARM0);
5640         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
5641         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, szNewString);
5642
5643 }
5644
5645 // #221 float(string str, string sub[, float startpos]) strstrofs (FTE_STRINGS)
5646 //strstr, without generating a new string. Use in conjunction with FRIK_FILE's substring for more similar strstr.
5647 void VM_strstrofs (prvm_prog_t *prog)
5648 {
5649         const char *instr, *match;
5650         int firstofs;
5651         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strstrofs);
5652         instr = PRVM_G_STRING(OFS_PARM0);
5653         match = PRVM_G_STRING(OFS_PARM1);
5654         firstofs = (prog->argc > 2)?(int)PRVM_G_FLOAT(OFS_PARM2):0;
5655         firstofs = (int)u8_bytelen(instr, firstofs);
5656
5657         if (firstofs && (firstofs < 0 || firstofs > (int)strlen(instr)))
5658         {
5659                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5660                 return;
5661         }
5662
5663         match = strstr(instr+firstofs, match);
5664         if (!match)
5665                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5666         else
5667                 PRVM_G_FLOAT(OFS_RETURN) = u8_strnlen(instr, match-instr);
5668 }
5669
5670 //#222 string(string s, float index) str2chr (FTE_STRINGS)
5671 void VM_str2chr (prvm_prog_t *prog)
5672 {
5673         const char *s;
5674         Uchar ch;
5675         int index;
5676         VM_SAFEPARMCOUNT(2, VM_str2chr);
5677         s = PRVM_G_STRING(OFS_PARM0);
5678         index = (int)u8_bytelen(s, (int)PRVM_G_FLOAT(OFS_PARM1));
5679
5680         if((unsigned)index < strlen(s))
5681         {
5682                 if (utf8_enable.integer)
5683                         ch = u8_getchar_noendptr(s + index);
5684                 else
5685                         ch = (unsigned char)s[index];
5686                 PRVM_G_FLOAT(OFS_RETURN) = ch;
5687         }
5688         else
5689                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5690 }
5691
5692 //#223 string(float c, ...) chr2str (FTE_STRINGS)
5693 void VM_chr2str (prvm_prog_t *prog)
5694 {
5695         /*
5696         char    t[9];
5697         int             i;
5698         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5699         for(i = 0;i < prog->argc && i < (int)sizeof(t) - 1;i++)
5700                 t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
5701         t[i] = 0;
5702         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
5703         */
5704         char t[9 * 4 + 1];
5705         int i;
5706         size_t len = 0;
5707         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5708         for(i = 0; i < prog->argc && len < sizeof(t)-1; ++i)
5709                 len += u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0+i*3), t + len, sizeof(t)-1);
5710         t[len] = 0;
5711         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
5712 }
5713
5714 static int chrconv_number(int i, int base, int conv)
5715 {
5716         i -= base;
5717         switch (conv)
5718         {
5719         default:
5720         case 5:
5721         case 6:
5722         case 0:
5723                 break;
5724         case 1:
5725                 base = '0';
5726                 break;
5727         case 2:
5728                 base = '0'+128;
5729                 break;
5730         case 3:
5731                 base = '0'-30;
5732                 break;
5733         case 4:
5734                 base = '0'+128-30;
5735                 break;
5736         }
5737         return i + base;
5738 }
5739 static int chrconv_punct(int i, int base, int conv)
5740 {
5741         i -= base;
5742         switch (conv)
5743         {
5744         default:
5745         case 0:
5746                 break;
5747         case 1:
5748                 base = 0;
5749                 break;
5750         case 2:
5751                 base = 128;
5752                 break;
5753         }
5754         return i + base;
5755 }
5756
5757 static int chrchar_alpha(int i, int basec, int baset, int convc, int convt, int charnum)
5758 {
5759         //convert case and colour seperatly...
5760
5761         i -= baset + basec;
5762         switch (convt)
5763         {
5764         default:
5765         case 0:
5766                 break;
5767         case 1:
5768                 baset = 0;
5769                 break;
5770         case 2:
5771                 baset = 128;
5772                 break;
5773
5774         case 5:
5775         case 6:
5776                 baset = 128*((charnum&1) == (convt-5));
5777                 break;
5778         }
5779
5780         switch (convc)
5781         {
5782         default:
5783         case 0:
5784                 break;
5785         case 1:
5786                 basec = 'a';
5787                 break;
5788         case 2:
5789                 basec = 'A';
5790                 break;
5791         }
5792         return i + basec + baset;
5793 }
5794 // #224 string(float ccase, float calpha, float cnum, string s, ...) strconv (FTE_STRINGS)
5795 //bulk convert a string. change case or colouring.
5796 void VM_strconv (prvm_prog_t *prog)
5797 {
5798         int ccase, redalpha, rednum, len, i;
5799         unsigned char resbuf[VM_STRINGTEMP_LENGTH];
5800         unsigned char *result = resbuf;
5801
5802         VM_SAFEPARMCOUNTRANGE(3, 8, VM_strconv);
5803
5804         ccase = (int) PRVM_G_FLOAT(OFS_PARM0);  //0 same, 1 lower, 2 upper
5805         redalpha = (int) PRVM_G_FLOAT(OFS_PARM1);       //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
5806         rednum = (int) PRVM_G_FLOAT(OFS_PARM2); //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
5807         VM_VarString(prog, 3, (char *) resbuf, sizeof(resbuf));
5808         len = (int)strlen((char *) resbuf);
5809
5810         for (i = 0; i < len; i++, result++)     //should this be done backwards?
5811         {
5812                 if (*result >= '0' && *result <= '9')   //normal numbers...
5813                         *result = chrconv_number(*result, '0', rednum);
5814                 else if (*result >= '0'+128 && *result <= '9'+128)
5815                         *result = chrconv_number(*result, '0'+128, rednum);
5816                 else if (*result >= '0'+128-30 && *result <= '9'+128-30)
5817                         *result = chrconv_number(*result, '0'+128-30, rednum);
5818                 else if (*result >= '0'-30 && *result <= '9'-30)
5819                         *result = chrconv_number(*result, '0'-30, rednum);
5820
5821                 else if (*result >= 'a' && *result <= 'z')      //normal numbers...
5822                         *result = chrchar_alpha(*result, 'a', 0, ccase, redalpha, i);
5823                 else if (*result >= 'A' && *result <= 'Z')      //normal numbers...
5824                         *result = chrchar_alpha(*result, 'A', 0, ccase, redalpha, i);
5825                 else if (*result >= 'a'+128 && *result <= 'z'+128)      //normal numbers...
5826                         *result = chrchar_alpha(*result, 'a', 128, ccase, redalpha, i);
5827                 else if (*result >= 'A'+128 && *result <= 'Z'+128)      //normal numbers...
5828                         *result = chrchar_alpha(*result, 'A', 128, ccase, redalpha, i);
5829
5830                 else if ((*result & 127) < 16 || !redalpha)     //special chars..
5831                         *result = *result;
5832                 else if (*result < 128)
5833                         *result = chrconv_punct(*result, 0, redalpha);
5834                 else
5835                         *result = chrconv_punct(*result, 128, redalpha);
5836         }
5837         *result = '\0';
5838
5839         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, (char *) resbuf);
5840 }
5841
5842 // #225 string(float chars, string s, ...) strpad (FTE_STRINGS)
5843 void VM_strpad (prvm_prog_t *prog)
5844 {
5845         char src[VM_STRINGTEMP_LENGTH];
5846         char destbuf[VM_STRINGTEMP_LENGTH];
5847         int pad;
5848         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strpad);
5849         pad = (int) PRVM_G_FLOAT(OFS_PARM0);
5850         VM_VarString(prog, 1, src, sizeof(src));
5851
5852         // note: < 0 = left padding, > 0 = right padding,
5853         // this is reverse logic of printf!
5854         dpsnprintf(destbuf, sizeof(destbuf), "%*s", -pad, src);
5855
5856         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, destbuf);
5857 }
5858
5859 // #226 string(string info, string key, string value, ...) infoadd (FTE_STRINGS)
5860 //uses qw style \key\value strings
5861 void VM_infoadd (prvm_prog_t *prog)
5862 {
5863         const char *info, *key;
5864         char value[VM_STRINGTEMP_LENGTH];
5865         char temp[VM_STRINGTEMP_LENGTH];
5866
5867         VM_SAFEPARMCOUNTRANGE(2, 8, VM_infoadd);
5868         info = PRVM_G_STRING(OFS_PARM0);
5869         key = PRVM_G_STRING(OFS_PARM1);
5870         VM_VarString(prog, 2, value, sizeof(value));
5871
5872         strlcpy(temp, info, VM_STRINGTEMP_LENGTH);
5873
5874         InfoString_SetValue(temp, VM_STRINGTEMP_LENGTH, key, value);
5875
5876         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, temp);
5877 }
5878
5879 // #227 string(string info, string key) infoget (FTE_STRINGS)
5880 //uses qw style \key\value strings
5881 void VM_infoget (prvm_prog_t *prog)
5882 {
5883         const char *info;
5884         const char *key;
5885         char value[VM_STRINGTEMP_LENGTH];
5886
5887         VM_SAFEPARMCOUNT(2, VM_infoget);
5888         info = PRVM_G_STRING(OFS_PARM0);
5889         key = PRVM_G_STRING(OFS_PARM1);
5890
5891         InfoString_GetValue(info, key, value, VM_STRINGTEMP_LENGTH);
5892
5893         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, value);
5894 }
5895
5896 //#228 float(string s1, string s2, float len) strncmp (FTE_STRINGS)
5897 // also float(string s1, string s2) strcmp (FRIK_FILE)
5898 void VM_strncmp (prvm_prog_t *prog)
5899 {
5900         const char *s1, *s2;
5901         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncmp);
5902         s1 = PRVM_G_STRING(OFS_PARM0);
5903         s2 = PRVM_G_STRING(OFS_PARM1);
5904         if (prog->argc > 2)
5905         {
5906                 PRVM_G_FLOAT(OFS_RETURN) = strncmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5907         }
5908         else
5909         {
5910                 PRVM_G_FLOAT(OFS_RETURN) = strcmp(s1, s2);
5911         }
5912 }
5913
5914 // #229 float(string s1, string s2) strcasecmp (FTE_STRINGS)
5915 // #230 float(string s1, string s2, float len) strncasecmp (FTE_STRINGS)
5916 void VM_strncasecmp (prvm_prog_t *prog)
5917 {
5918         const char *s1, *s2;
5919         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncasecmp);
5920         s1 = PRVM_G_STRING(OFS_PARM0);
5921         s2 = PRVM_G_STRING(OFS_PARM1);
5922         if (prog->argc > 2)
5923         {
5924                 PRVM_G_FLOAT(OFS_RETURN) = strncasecmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5925         }
5926         else
5927         {
5928                 PRVM_G_FLOAT(OFS_RETURN) = strcasecmp(s1, s2);
5929         }
5930 }
5931
5932 // #494 float(float caseinsensitive, string s, ...) crc16
5933 void VM_crc16(prvm_prog_t *prog)
5934 {
5935         float insensitive;
5936         char s[VM_STRINGTEMP_LENGTH];
5937         VM_SAFEPARMCOUNTRANGE(2, 8, VM_crc16);
5938         insensitive = PRVM_G_FLOAT(OFS_PARM0);
5939         VM_VarString(prog, 1, s, sizeof(s));
5940         PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
5941 }
5942
5943 // #639 float(string digest, string data, ...) digest_hex
5944 void VM_digest_hex(prvm_prog_t *prog)
5945 {
5946         const char *digest;
5947
5948         char out[32];
5949         char outhex[65];
5950         int outlen;
5951
5952         char s[VM_STRINGTEMP_LENGTH];
5953         int len;
5954
5955         VM_SAFEPARMCOUNTRANGE(2, 8, VM_digest_hex);
5956         digest = PRVM_G_STRING(OFS_PARM0);
5957         if(!digest)
5958                 digest = "";
5959         VM_VarString(prog, 1, s, sizeof(s));
5960         len = (int)strlen(s);
5961
5962         outlen = 0;
5963
5964         if(!strcmp(digest, "MD4"))
5965         {
5966                 outlen = 16;
5967                 mdfour((unsigned char *) out, (unsigned char *) s, len);
5968         }
5969         else if(!strcmp(digest, "SHA256") && Crypto_Available())
5970         {
5971                 outlen = 32;
5972                 sha256((unsigned char *) out, (unsigned char *) s, len);
5973         }
5974         // no warning needed on mismatch - we return string_null to QC
5975
5976         if(outlen)
5977         {
5978                 int i;
5979                 static const char *hexmap = "0123456789abcdef";
5980                 for(i = 0; i < outlen; ++i)
5981                 {
5982                         outhex[2*i]   = hexmap[(out[i] >> 4) & 15];
5983                         outhex[2*i+1] = hexmap[(out[i] >> 0) & 15];
5984                 }
5985                 outhex[2*i] = 0;
5986                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, outhex);
5987         }
5988         else
5989                 PRVM_G_INT(OFS_RETURN) = 0;
5990 }
5991
5992 void VM_wasfreed (prvm_prog_t *prog)
5993 {
5994         VM_SAFEPARMCOUNT(1, VM_wasfreed);
5995         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICT(OFS_PARM0)->priv.required->free;
5996 }
5997
5998 void VM_SetTraceGlobals(prvm_prog_t *prog, const trace_t *trace)
5999 {
6000         PRVM_gameglobalfloat(trace_allsolid) = trace->allsolid;
6001         PRVM_gameglobalfloat(trace_startsolid) = trace->startsolid;
6002         PRVM_gameglobalfloat(trace_fraction) = trace->fraction;
6003         PRVM_gameglobalfloat(trace_inwater) = trace->inwater;
6004         PRVM_gameglobalfloat(trace_inopen) = trace->inopen;
6005         VectorCopy(trace->endpos, PRVM_gameglobalvector(trace_endpos));
6006         VectorCopy(trace->plane.normal, PRVM_gameglobalvector(trace_plane_normal));
6007         PRVM_gameglobalfloat(trace_plane_dist) = trace->plane.dist;
6008         PRVM_gameglobaledict(trace_ent) = PRVM_EDICT_TO_PROG(trace->ent ? trace->ent : prog->edicts);
6009         PRVM_gameglobalfloat(trace_dpstartcontents) = trace->startsupercontents;
6010         PRVM_gameglobalfloat(trace_dphitcontents) = trace->hitsupercontents;
6011         PRVM_gameglobalfloat(trace_dphitq3surfaceflags) = trace->hitq3surfaceflags;
6012         PRVM_gameglobalstring(trace_dphittexturename) = trace->hittexture ? PRVM_SetTempString(prog, trace->hittexture->name) : 0;
6013 }
6014
6015 void VM_ClearTraceGlobals(prvm_prog_t *prog)
6016 {
6017         // clean up all trace globals when leaving the VM (anti-triggerbot safeguard)
6018         PRVM_gameglobalfloat(trace_allsolid) = 0;
6019         PRVM_gameglobalfloat(trace_startsolid) = 0;
6020         PRVM_gameglobalfloat(trace_fraction) = 0;
6021         PRVM_gameglobalfloat(trace_inwater) = 0;
6022         PRVM_gameglobalfloat(trace_inopen) = 0;
6023         VectorClear(PRVM_gameglobalvector(trace_endpos));
6024         VectorClear(PRVM_gameglobalvector(trace_plane_normal));
6025         PRVM_gameglobalfloat(trace_plane_dist) = 0;
6026         PRVM_gameglobaledict(trace_ent) = PRVM_EDICT_TO_PROG(prog->edicts);
6027         PRVM_gameglobalfloat(trace_dpstartcontents) = 0;
6028         PRVM_gameglobalfloat(trace_dphitcontents) = 0;
6029         PRVM_gameglobalfloat(trace_dphitq3surfaceflags) = 0;
6030         PRVM_gameglobalstring(trace_dphittexturename) = 0;
6031 }
6032
6033 //=============
6034
6035 void VM_Cmd_Init(prvm_prog_t *prog)
6036 {
6037         // only init the stuff for the current prog
6038         VM_Files_Init(prog);
6039         VM_Search_Init(prog);
6040 }
6041
6042 void VM_Cmd_Reset(prvm_prog_t *prog)
6043 {
6044         CL_PurgeOwner( MENUOWNER );
6045         VM_Search_Reset(prog);
6046         VM_Files_CloseAll(prog);
6047 }
6048
6049 // #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
6050 // does URI escaping on a string (replace evil stuff by %AB escapes)
6051 void VM_uri_escape (prvm_prog_t *prog)
6052 {
6053         char src[VM_STRINGTEMP_LENGTH];
6054         char dest[VM_STRINGTEMP_LENGTH];
6055         char *p, *q;
6056         static const char *hex = "0123456789ABCDEF";
6057
6058         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
6059         VM_VarString(prog, 0, src, sizeof(src));
6060
6061         for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
6062         {
6063                 if((*p >= 'A' && *p <= 'Z')
6064                         || (*p >= 'a' && *p <= 'z')
6065                         || (*p >= '0' && *p <= '9')
6066                         || (*p == '-')  || (*p == '_') || (*p == '.')
6067                         || (*p == '!')  || (*p == '~')
6068                         || (*p == '\'') || (*p == '(') || (*p == ')'))
6069                         *q++ = *p;
6070                 else
6071                 {
6072                         *q++ = '%';
6073                         *q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
6074                         *q++ = hex[ *(unsigned char *)p       & 0xF];
6075                 }
6076         }
6077         *q++ = 0;
6078
6079         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, dest);
6080 }
6081
6082 // #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
6083 // does URI unescaping on a string (get back the evil stuff)
6084 void VM_uri_unescape (prvm_prog_t *prog)
6085 {
6086         char src[VM_STRINGTEMP_LENGTH];
6087         char dest[VM_STRINGTEMP_LENGTH];
6088         char *p, *q;
6089         int hi, lo;
6090
6091         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
6092         VM_VarString(prog, 0, src, sizeof(src));
6093
6094         for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
6095         {
6096                 if(*p == '%')
6097                 {
6098                         if(p[1] >= '0' && p[1] <= '9')
6099                                 hi = p[1] - '0';
6100                         else if(p[1] >= 'a' && p[1] <= 'f')
6101                                 hi = p[1] - 'a' + 10;
6102                         else if(p[1] >= 'A' && p[1] <= 'F')
6103                                 hi = p[1] - 'A' + 10;
6104                         else
6105                                 goto nohex;
6106                         if(p[2] >= '0' && p[2] <= '9')
6107                                 lo = p[2] - '0';
6108                         else if(p[2] >= 'a' && p[2] <= 'f')
6109                                 lo = p[2] - 'a' + 10;
6110                         else if(p[2] >= 'A' && p[2] <= 'F')
6111                                 lo = p[2] - 'A' + 10;
6112                         else
6113                                 goto nohex;
6114                         if(hi != 0 || lo != 0) // don't unescape NUL bytes
6115                                 *q++ = (char) (hi * 0x10 + lo);
6116                         p += 3;
6117                         continue;
6118                 }
6119
6120 nohex:
6121                 // otherwise:
6122                 *q++ = *p++;
6123         }
6124         *q++ = 0;
6125
6126         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, dest);
6127 }
6128
6129 // #502 string(string filename) whichpack (DP_QC_WHICHPACK)
6130 // returns the name of the pack containing a file, or "" if it is not in any pack (but local or non-existant)
6131 void VM_whichpack (prvm_prog_t *prog)
6132 {
6133         const char *fn, *pack;
6134
6135         VM_SAFEPARMCOUNT(1, VM_whichpack);
6136         fn = PRVM_G_STRING(OFS_PARM0);
6137         pack = FS_WhichPack(fn);
6138
6139         PRVM_G_INT(OFS_RETURN) = pack ? PRVM_SetTempString(prog, pack) : 0;
6140 }
6141
6142 typedef struct
6143 {
6144         prvm_prog_t *prog;
6145         double starttime;
6146         float id;
6147         char buffer[MAX_INPUTLINE];
6148         char posttype[128];
6149         unsigned char *postdata; // free when uri_to_prog_t is freed
6150         size_t postlen;
6151         char *sigdata; // free when uri_to_prog_t is freed
6152         size_t siglen;
6153 }
6154 uri_to_prog_t;
6155
6156 static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
6157 {
6158         prvm_prog_t *prog;
6159         uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
6160
6161         prog = handle->prog;
6162         if(!prog->loaded)
6163         {
6164                 // curl reply came too late... so just drop it
6165                 if(handle->postdata)
6166                         Z_Free(handle->postdata);
6167                 if(handle->sigdata)
6168                         Z_Free(handle->sigdata);
6169                 Z_Free(handle);
6170                 return;
6171         }
6172
6173         if((prog->starttime == handle->starttime) && (PRVM_allfunction(URI_Get_Callback)))
6174         {
6175                 if(length_received >= sizeof(handle->buffer))
6176                         length_received = sizeof(handle->buffer) - 1;
6177                 handle->buffer[length_received] = 0;
6178
6179                 PRVM_G_FLOAT(OFS_PARM0) = handle->id;
6180                 PRVM_G_FLOAT(OFS_PARM1) = status;
6181                 PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, handle->buffer);
6182                 prog->ExecuteProgram(prog, PRVM_allfunction(URI_Get_Callback), "QC function URI_Get_Callback is missing");
6183         }
6184
6185         if(handle->postdata)
6186                 Z_Free(handle->postdata);
6187         if(handle->sigdata)
6188                 Z_Free(handle->sigdata);
6189         Z_Free(handle);
6190 }
6191
6192 // 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
6193 // 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
6194 void VM_uri_get (prvm_prog_t *prog)
6195 {
6196         const char *url;
6197         float id;
6198         qboolean ret;
6199         uri_to_prog_t *handle;
6200         const char *posttype = NULL;
6201         const char *postseparator = NULL;
6202         int poststringbuffer = -1;
6203         int postkeyid = -1;
6204         const char *query_string = NULL;
6205         size_t lq;
6206
6207         if(!PRVM_allfunction(URI_Get_Callback))
6208                 prog->error_cmd("uri_get called by %s without URI_Get_Callback defined", prog->name);
6209
6210         VM_SAFEPARMCOUNTRANGE(2, 6, VM_uri_get);
6211
6212         url = PRVM_G_STRING(OFS_PARM0);
6213         id = PRVM_G_FLOAT(OFS_PARM1);
6214         if(prog->argc >= 3)
6215                 posttype = PRVM_G_STRING(OFS_PARM2);
6216         if(prog->argc >= 4)
6217                 postseparator = PRVM_G_STRING(OFS_PARM3);
6218         if(prog->argc >= 5)
6219                 poststringbuffer = PRVM_G_FLOAT(OFS_PARM4);
6220         if(prog->argc >= 6)
6221                 postkeyid = PRVM_G_FLOAT(OFS_PARM5);
6222         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!
6223
6224         query_string = strchr(url, '?');
6225         if(query_string)
6226                 ++query_string;
6227         lq = query_string ? strlen(query_string) : 0;
6228
6229         handle->prog = prog;
6230         handle->starttime = prog->starttime;
6231         handle->id = id;
6232         if(postseparator && posttype && *posttype)
6233         {
6234                 size_t l = strlen(postseparator);
6235                 if(poststringbuffer >= 0)
6236                 {
6237                         size_t ltotal;
6238                         int i;
6239                         // "implode"
6240                         prvm_stringbuffer_t *stringbuffer;
6241                         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, poststringbuffer);
6242                         if(!stringbuffer)
6243                         {
6244                                 VM_Warning(prog, "uri_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), prog->name);
6245                                 return;
6246                         }
6247                         ltotal = 0;
6248                         for(i = 0;i < stringbuffer->num_strings;i++)
6249                         {
6250                                 if(i > 0)
6251                                         ltotal += l;
6252                                 if(stringbuffer->strings[i])
6253                                         ltotal += strlen(stringbuffer->strings[i]);
6254                         }
6255                         handle->postdata = (unsigned char *)Z_Malloc(ltotal + 1 + lq);
6256                         handle->postlen = ltotal;
6257                         ltotal = 0;
6258                         for(i = 0;i < stringbuffer->num_strings;i++)
6259                         {
6260                                 if(i > 0)
6261                                 {
6262                                         memcpy(handle->postdata + ltotal, postseparator, l);
6263                                         ltotal += l;
6264                                 }
6265                                 if(stringbuffer->strings[i])
6266                                 {
6267                                         memcpy(handle->postdata + ltotal, stringbuffer->strings[i], strlen(stringbuffer->strings[i]));
6268                                         ltotal += strlen(stringbuffer->strings[i]);
6269                                 }
6270                         }
6271                         if(ltotal != handle->postlen)
6272                                 prog->error_cmd("%s: string buffer content size mismatch, possible overrun", prog->name);
6273                 }
6274                 else
6275                 {
6276                         handle->postdata = (unsigned char *)Z_Malloc(l + 1 + lq);
6277                         handle->postlen = l;
6278                         memcpy(handle->postdata, postseparator, l);
6279                 }
6280                 handle->postdata[handle->postlen] = 0;
6281                 if(query_string)
6282                         memcpy(handle->postdata + handle->postlen + 1, query_string, lq);
6283                 if(postkeyid >= 0)
6284                 {
6285                         // POST: we sign postdata \0 query string
6286                         size_t ll;
6287                         handle->sigdata = (char *)Z_Malloc(8192);
6288                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6289                         l = strlen(handle->sigdata);
6290                         handle->siglen = Crypto_SignDataDetached(handle->postdata, handle->postlen + 1 + lq, postkeyid, handle->sigdata + l, 8192 - l);
6291                         if(!handle->siglen)
6292                         {
6293                                 Z_Free(handle->sigdata);
6294                                 handle->sigdata = NULL;
6295                                 goto out1;
6296                         }
6297                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6298                         if(!ll)
6299                         {
6300                                 Z_Free(handle->sigdata);
6301                                 handle->sigdata = NULL;
6302                                 goto out1;
6303                         }
6304                         handle->siglen = l + ll;
6305                         handle->sigdata[handle->siglen] = 0;
6306                 }
6307 out1:
6308                 strlcpy(handle->posttype, posttype, sizeof(handle->posttype));
6309                 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);
6310         }
6311         else
6312         {
6313                 if(postkeyid >= 0 && query_string)
6314                 {
6315                         // GET: we sign JUST the query string
6316                         size_t l, ll;
6317                         handle->sigdata = (char *)Z_Malloc(8192);
6318                         strlcpy(handle->sigdata, "X-D0-Blind-ID-Detached-Signature: ", 8192);
6319                         l = strlen(handle->sigdata);
6320                         handle->siglen = Crypto_SignDataDetached(query_string, lq, postkeyid, handle->sigdata + l, 8192 - l);
6321                         if(!handle->siglen)
6322                         {
6323                                 Z_Free(handle->sigdata);
6324                                 handle->sigdata = NULL;
6325                                 goto out2;
6326                         }
6327                         ll = base64_encode((unsigned char *) (handle->sigdata + l), handle->siglen, 8192 - l - 1);
6328                         if(!ll)
6329                         {
6330                                 Z_Free(handle->sigdata);
6331                                 handle->sigdata = NULL;
6332                                 goto out2;
6333                         }
6334                         handle->siglen = l + ll;
6335                         handle->sigdata[handle->siglen] = 0;
6336                 }
6337 out2:
6338                 handle->postdata = NULL;
6339                 handle->postlen = 0;
6340                 ret = Curl_Begin_ToMemory_POST(url, handle->sigdata, 0, NULL, NULL, 0, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
6341         }
6342         if(ret)
6343         {
6344                 PRVM_G_INT(OFS_RETURN) = 1;
6345         }
6346         else
6347         {
6348                 if(handle->postdata)
6349                         Z_Free(handle->postdata);
6350                 if(handle->sigdata)
6351                         Z_Free(handle->sigdata);
6352                 Z_Free(handle);
6353                 PRVM_G_INT(OFS_RETURN) = 0;
6354         }
6355 }
6356
6357 void VM_netaddress_resolve (prvm_prog_t *prog)
6358 {
6359         const char *ip;
6360         char normalized[128];
6361         int port;
6362         lhnetaddress_t addr;
6363
6364         VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
6365
6366         ip = PRVM_G_STRING(OFS_PARM0);
6367         port = 0;
6368         if(prog->argc > 1)
6369                 port = (int) PRVM_G_FLOAT(OFS_PARM1);
6370
6371         if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
6372                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, normalized);
6373         else
6374                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, "");
6375 }
6376
6377 //string(prvm_prog_t *prog) getextresponse = #624; // returns the next extResponse packet that was sent to this client
6378 void VM_CL_getextresponse (prvm_prog_t *prog)
6379 {
6380         VM_SAFEPARMCOUNT(0,VM_argv);
6381
6382         if (cl_net_extresponse_count <= 0)
6383                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6384         else
6385         {
6386                 int first;
6387                 --cl_net_extresponse_count;
6388                 first = (cl_net_extresponse_last + NET_EXTRESPONSE_MAX - cl_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6389                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, cl_net_extresponse[first]);
6390         }
6391 }
6392
6393 void VM_SV_getextresponse (prvm_prog_t *prog)
6394 {
6395         VM_SAFEPARMCOUNT(0,VM_argv);
6396
6397         if (sv_net_extresponse_count <= 0)
6398                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
6399         else
6400         {
6401                 int first;
6402                 --sv_net_extresponse_count;
6403                 first = (sv_net_extresponse_last + NET_EXTRESPONSE_MAX - sv_net_extresponse_count) % NET_EXTRESPONSE_MAX;
6404                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, sv_net_extresponse[first]);
6405         }
6406 }
6407
6408 /*
6409 =========
6410 Common functions between menu.dat and clsprogs
6411 =========
6412 */
6413
6414 //#349 float() isdemo
6415 void VM_CL_isdemo (prvm_prog_t *prog)
6416 {
6417         VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
6418         PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
6419 }
6420
6421 //#355 float() videoplaying
6422 void VM_CL_videoplaying (prvm_prog_t *prog)
6423 {
6424         VM_SAFEPARMCOUNT(0, VM_CL_videoplaying);
6425         PRVM_G_FLOAT(OFS_RETURN) = cl_videoplaying;
6426 }
6427
6428 /*
6429 =========
6430 VM_M_callfunction
6431
6432         callfunction(...,string function_name)
6433 Extension: pass
6434 =========
6435 */
6436 void VM_callfunction(prvm_prog_t *prog)
6437 {
6438         mfunction_t *func;
6439         const char *s;
6440
6441         VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
6442
6443         s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
6444
6445         VM_CheckEmptyString(prog, s);
6446
6447         func = PRVM_ED_FindFunction(prog, s);
6448
6449         if(!func)
6450                 prog->error_cmd("VM_callfunciton: function %s not found !", s);
6451         else if (func->first_statement < 0)
6452         {
6453                 // negative statements are built in functions
6454                 int builtinnumber = -func->first_statement;
6455                 prog->xfunction->builtinsprofile++;
6456                 if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
6457                         prog->builtins[builtinnumber](prog);
6458                 else
6459                         prog->error_cmd("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, prog->name);
6460         }
6461         else if(func - prog->functions > 0)
6462         {
6463                 prog->argc--;
6464                 prog->ExecuteProgram(prog, func - prog->functions,"");
6465                 prog->argc++;
6466         }
6467 }
6468
6469 /*
6470 =========
6471 VM_isfunction
6472
6473 float   isfunction(string function_name)
6474 =========
6475 */
6476 void VM_isfunction(prvm_prog_t *prog)
6477 {
6478         mfunction_t *func;
6479         const char *s;
6480
6481         VM_SAFEPARMCOUNT(1, VM_isfunction);
6482
6483         s = PRVM_G_STRING(OFS_PARM0);
6484
6485         VM_CheckEmptyString(prog, s);
6486
6487         func = PRVM_ED_FindFunction(prog, s);
6488
6489         if(!func)
6490                 PRVM_G_FLOAT(OFS_RETURN) = false;
6491         else
6492                 PRVM_G_FLOAT(OFS_RETURN) = true;
6493 }
6494
6495 /*
6496 =========
6497 VM_sprintf
6498
6499 string sprintf(string format, ...)
6500 =========
6501 */
6502
6503 void VM_sprintf(prvm_prog_t *prog)
6504 {
6505         const char *s, *s0;
6506         char outbuf[MAX_INPUTLINE];
6507         char *o = outbuf, *end = outbuf + sizeof(outbuf), *err;
6508         const char *p;
6509         int argpos = 1;
6510         int width, precision, thisarg, flags;
6511         char formatbuf[16];
6512         char *f;
6513         int isfloat;
6514         static prvm_int_t dummyivec[3] = {0, 0, 0};
6515         static prvm_vec_t dummyvec[3] = {0, 0, 0};
6516         char vabuf[1024];
6517
6518 #define PRINTF_ALTERNATE 1
6519 #define PRINTF_ZEROPAD 2
6520 #define PRINTF_LEFT 4
6521 #define PRINTF_SPACEPOSITIVE 8
6522 #define PRINTF_SIGNPOSITIVE 16
6523
6524         formatbuf[0] = '%';
6525
6526         s = PRVM_G_STRING(OFS_PARM0);
6527
6528 #define GETARG_FLOAT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_FLOAT(OFS_PARM0 + 3 * (a))) : 0)
6529 #define GETARG_VECTOR(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyvec)
6530 #define GETARG_INT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_INT(OFS_PARM0 + 3 * (a))) : 0)
6531 #define GETARG_INTVECTOR(a) (((a)>=1 && (a)<prog->argc) ? ((prvm_int_t*) PRVM_G_VECTOR(OFS_PARM0 + 3 * (a))) : dummyivec)
6532 #define GETARG_STRING(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_STRING(OFS_PARM0 + 3 * (a))) : "")
6533
6534         for(;;)
6535         {
6536                 s0 = s;
6537                 switch(*s)
6538                 {
6539                         case 0:
6540                                 goto finished;
6541                         case '%':
6542                                 ++s;
6543
6544                                 if(*s == '%')
6545                                         goto verbatim;
6546
6547                                 // complete directive format:
6548                                 // %3$*1$.*2$ld
6549
6550                                 width = -1;
6551                                 precision = -1;
6552                                 thisarg = -1;
6553                                 flags = 0;
6554                                 isfloat = -1;
6555
6556                                 // is number following?
6557                                 if(*s >= '0' && *s <= '9')
6558                                 {
6559                                         width = strtol(s, &err, 10);
6560                                         if(!err)
6561                                         {
6562                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6563                                                 goto finished;
6564                                         }
6565                                         if(*err == '$')
6566                                         {
6567                                                 thisarg = width;
6568                                                 width = -1;
6569                                                 s = err + 1;
6570                                         }
6571                                         else
6572                                         {
6573                                                 if(*s == '0')
6574                                                 {
6575                                                         flags |= PRINTF_ZEROPAD;
6576                                                         if(width == 0)
6577                                                                 width = -1; // it was just a flag
6578                                                 }
6579                                                 s = err;
6580                                         }
6581                                 }
6582
6583                                 if(width < 0)
6584                                 {
6585                                         for(;;)
6586                                         {
6587                                                 switch(*s)
6588                                                 {
6589                                                         case '#': flags |= PRINTF_ALTERNATE; break;
6590                                                         case '0': flags |= PRINTF_ZEROPAD; break;
6591                                                         case '-': flags |= PRINTF_LEFT; break;
6592                                                         case ' ': flags |= PRINTF_SPACEPOSITIVE; break;
6593                                                         case '+': flags |= PRINTF_SIGNPOSITIVE; break;
6594                                                         default:
6595                                                                 goto noflags;
6596                                                 }
6597                                                 ++s;
6598                                         }
6599 noflags:
6600                                         if(*s == '*')
6601                                         {
6602                                                 ++s;
6603                                                 if(*s >= '0' && *s <= '9')
6604                                                 {
6605                                                         width = strtol(s, &err, 10);
6606                                                         if(!err || *err != '$')
6607                                                         {
6608                                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6609                                                                 goto finished;
6610                                                         }
6611                                                         s = err + 1;
6612                                                 }
6613                                                 else
6614                                                         width = argpos++;
6615                                                 width = GETARG_FLOAT(width);
6616                                                 if(width < 0)
6617                                                 {
6618                                                         flags |= PRINTF_LEFT;
6619                                                         width = -width;
6620                                                 }
6621                                         }
6622                                         else if(*s >= '0' && *s <= '9')
6623                                         {
6624                                                 width = strtol(s, &err, 10);
6625                                                 if(!err)
6626                                                 {
6627                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6628                                                         goto finished;
6629                                                 }
6630                                                 s = err;
6631                                                 if(width < 0)
6632                                                 {
6633                                                         flags |= PRINTF_LEFT;
6634                                                         width = -width;
6635                                                 }
6636                                         }
6637                                         // otherwise width stays -1
6638                                 }
6639
6640                                 if(*s == '.')
6641                                 {
6642                                         ++s;
6643                                         if(*s == '*')
6644                                         {
6645                                                 ++s;
6646                                                 if(*s >= '0' && *s <= '9')
6647                                                 {
6648                                                         precision = strtol(s, &err, 10);
6649                                                         if(!err || *err != '$')
6650                                                         {
6651                                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6652                                                                 goto finished;
6653                                                         }
6654                                                         s = err + 1;
6655                                                 }
6656                                                 else
6657                                                         precision = argpos++;
6658                                                 precision = GETARG_FLOAT(precision);
6659                                         }
6660                                         else if(*s >= '0' && *s <= '9')
6661                                         {
6662                                                 precision = strtol(s, &err, 10);
6663                                                 if(!err)
6664                                                 {
6665                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6666                                                         goto finished;
6667                                                 }
6668                                                 s = err;
6669                                         }
6670                                         else
6671                                         {
6672                                                 VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6673                                                 goto finished;
6674                                         }
6675                                 }
6676
6677                                 for(;;)
6678                                 {
6679                                         switch(*s)
6680                                         {
6681                                                 case 'h': isfloat = 1; break;
6682                                                 case 'l': isfloat = 0; break;
6683                                                 case 'L': isfloat = 0; break;
6684                                                 case 'j': break;
6685                                                 case 'z': break;
6686                                                 case 't': break;
6687                                                 default:
6688                                                         goto nolength;
6689                                         }
6690                                         ++s;
6691                                 }
6692 nolength:
6693
6694                                 // now s points to the final directive char and is no longer changed
6695                                 if(isfloat < 0)
6696                                 {
6697                                         if(*s == 'i')
6698                                                 isfloat = 0;
6699                                         else
6700                                                 isfloat = 1;
6701                                 }
6702
6703                                 if(thisarg < 0)
6704                                         thisarg = argpos++;
6705
6706                                 if(o < end - 1)
6707                                 {
6708                                         f = &formatbuf[1];
6709                                         if(*s != 's' && *s != 'c')
6710                                                 if(flags & PRINTF_ALTERNATE) *f++ = '#';
6711                                         if(flags & PRINTF_ZEROPAD) *f++ = '0';
6712                                         if(flags & PRINTF_LEFT) *f++ = '-';
6713                                         if(flags & PRINTF_SPACEPOSITIVE) *f++ = ' ';
6714                                         if(flags & PRINTF_SIGNPOSITIVE) *f++ = '+';
6715                                         *f++ = '*';
6716                                         if(precision >= 0)
6717                                         {
6718                                                 *f++ = '.';
6719                                                 *f++ = '*';
6720                                         }
6721                                         if(*s == 'd' || *s == 'i' || *s == 'o' || *s == 'u' || *s == 'x' || *s == 'X')
6722                                         {
6723                                                 // make it use a good integer type
6724                                                 for(p = INT_LOSSLESS_FORMAT_SIZE; *p; )
6725                                                         *f++ = *p++;
6726                                         }
6727                                         *f++ = *s;
6728                                         *f++ = 0;
6729
6730                                         if(width < 0) // not set
6731                                                 width = 0;
6732
6733                                         switch(*s)
6734                                         {
6735                                                 case 'd': case 'i':
6736                                                         if(precision < 0) // not set
6737                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? INT_LOSSLESS_FORMAT_CONVERT_S(GETARG_FLOAT(thisarg)) : INT_LOSSLESS_FORMAT_CONVERT_S(GETARG_INT(thisarg))));
6738                                                         else
6739                                                                 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))));
6740                                                         break;
6741                                                 case 'o': case 'u': case 'x': case 'X':
6742                                                         if(precision < 0) // not set
6743                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? INT_LOSSLESS_FORMAT_CONVERT_U(GETARG_FLOAT(thisarg)) : INT_LOSSLESS_FORMAT_CONVERT_U(GETARG_INT(thisarg))));
6744                                                         else
6745                                                                 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))));
6746                                                         break;
6747                                                 case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
6748                                                         if(precision < 0) // not set
6749                                                                 o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6750                                                         else
6751                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
6752                                                         break;
6753                                                 case 'v': case 'V':
6754                                                         f[-2] += 'g' - 'v';
6755                                                         if(precision < 0) // not set
6756                                                                 o += dpsnprintf(o, end - o, va(vabuf, sizeof(vabuf), "%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6757                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6758                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6759                                                                         width, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6760                                                                 );
6761                                                         else
6762                                                                 o += dpsnprintf(o, end - o, va(vabuf, sizeof(vabuf), "%s %s %s", /* NESTED SPRINTF IS NESTED */ formatbuf, formatbuf, formatbuf),
6763                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[0] : (double) GETARG_INTVECTOR(thisarg)[0]),
6764                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[1] : (double) GETARG_INTVECTOR(thisarg)[1]),
6765                                                                         width, precision, (isfloat ? (double) GETARG_VECTOR(thisarg)[2] : (double) GETARG_INTVECTOR(thisarg)[2])
6766                                                                 );
6767                                                         break;
6768                                                 case 'c':
6769                                                         if(flags & PRINTF_ALTERNATE)
6770                                                         {
6771                                                                 if(precision < 0) // not set
6772                                                                         o += dpsnprintf(o, end - o, formatbuf, width, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6773                                                                 else
6774                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
6775                                                         }
6776                                                         else
6777                                                         {
6778                                                                 unsigned int c = (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg));
6779                                                                 char charbuf16[16];
6780                                                                 const char *buf = u8_encodech(c, NULL, charbuf16);
6781                                                                 if(!buf)
6782                                                                         buf = "";
6783                                                                 if(precision < 0) // not set
6784                                                                         precision = end - o - 1;
6785                                                                 o += u8_strpad(o, end - o, buf, (flags & PRINTF_LEFT) != 0, width, precision);
6786                                                         }
6787                                                         break;
6788                                                 case 's':
6789                                                         if(flags & PRINTF_ALTERNATE)
6790                                                         {
6791                                                                 if(precision < 0) // not set
6792                                                                         o += dpsnprintf(o, end - o, formatbuf, width, GETARG_STRING(thisarg));
6793                                                                 else
6794                                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, GETARG_STRING(thisarg));
6795                                                         }
6796                                                         else
6797                                                         {
6798                                                                 if(precision < 0) // not set
6799                                                                         precision = end - o - 1;
6800                                                                 if(flags & PRINTF_SIGNPOSITIVE)
6801                                                                         o += u8_strpad(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6802                                                                 else
6803                                                                         o += u8_strpad_colorcodes(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
6804                                                         }
6805                                                         break;
6806                                                 default:
6807                                                         VM_Warning(prog, "VM_sprintf: invalid directive in %s: %s\n", prog->name, s0);
6808                                                         goto finished;
6809                                         }
6810                                 }
6811                                 ++s;
6812                                 break;
6813                         default:
6814 verbatim:
6815                                 if(o < end - 1)
6816                                         *o++ = *s;
6817                                 ++s;
6818                                 break;
6819                 }
6820         }
6821 finished:
6822         *o = 0;
6823         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, outbuf);
6824 }
6825
6826
6827 // surface querying
6828
6829 static dp_model_t *getmodel(prvm_prog_t *prog, prvm_edict_t *ed)
6830 {
6831         if (prog == SVVM_prog)
6832                 return SV_GetModelFromEdict(ed);
6833         else if (prog == CLVM_prog)
6834                 return CL_GetModelFromEdict(ed);
6835         else
6836                 return NULL;
6837 }
6838
6839 typedef struct
6840 {
6841         unsigned int progid;
6842         dp_model_t *model;
6843         frameblend_t frameblend[MAX_FRAMEBLENDS];
6844         skeleton_t *skeleton_p;
6845         skeleton_t skeleton;
6846         float *data_vertex3f;
6847         float *data_svector3f;
6848         float *data_tvector3f;
6849         float *data_normal3f;
6850         int max_vertices;
6851         float *buf_vertex3f;
6852         float *buf_svector3f;
6853         float *buf_tvector3f;
6854         float *buf_normal3f;
6855 }
6856 animatemodel_cache_t;
6857 static animatemodel_cache_t animatemodel_cache;
6858
6859 static void animatemodel(prvm_prog_t *prog, dp_model_t *model, prvm_edict_t *ed)
6860 {
6861         skeleton_t *skeleton;
6862         int skeletonindex = -1;
6863         qboolean need = false;
6864         if(!(model->surfmesh.isanimated && model->AnimateVertices))
6865         {
6866                 animatemodel_cache.data_vertex3f = model->surfmesh.data_vertex3f;
6867                 animatemodel_cache.data_svector3f = model->surfmesh.data_svector3f;
6868                 animatemodel_cache.data_tvector3f = model->surfmesh.data_tvector3f;
6869                 animatemodel_cache.data_normal3f = model->surfmesh.data_normal3f;
6870                 return;
6871         }
6872         if(animatemodel_cache.progid != prog->id)
6873                 memset(&animatemodel_cache, 0, sizeof(animatemodel_cache));
6874         need |= (animatemodel_cache.model != model);
6875         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
6876         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model, PRVM_serverglobalfloat(time));
6877         need |= (memcmp(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend))) != 0;
6878         skeletonindex = (int)PRVM_gameedictfloat(ed, skeletonindex) - 1;
6879         if (!(skeletonindex >= 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones))
6880                 skeleton = NULL;
6881         need |= (animatemodel_cache.skeleton_p != skeleton);
6882         if(skeleton)
6883                 need |= (memcmp(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton))) != 0;
6884         if(!need)
6885                 return;
6886         if(model->surfmesh.num_vertices > animatemodel_cache.max_vertices)
6887         {
6888                 animatemodel_cache.max_vertices = model->surfmesh.num_vertices * 2;
6889                 if(animatemodel_cache.buf_vertex3f) Mem_Free(animatemodel_cache.buf_vertex3f);
6890                 if(animatemodel_cache.buf_svector3f) Mem_Free(animatemodel_cache.buf_svector3f);
6891                 if(animatemodel_cache.buf_tvector3f) Mem_Free(animatemodel_cache.buf_tvector3f);
6892                 if(animatemodel_cache.buf_normal3f) Mem_Free(animatemodel_cache.buf_normal3f);
6893                 animatemodel_cache.buf_vertex3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6894                 animatemodel_cache.buf_svector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6895                 animatemodel_cache.buf_tvector3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6896                 animatemodel_cache.buf_normal3f = (float *)Mem_Alloc(prog->progs_mempool, sizeof(float[3]) * animatemodel_cache.max_vertices);
6897         }
6898         animatemodel_cache.data_vertex3f = animatemodel_cache.buf_vertex3f;
6899         animatemodel_cache.data_svector3f = animatemodel_cache.buf_svector3f;
6900         animatemodel_cache.data_tvector3f = animatemodel_cache.buf_tvector3f;
6901         animatemodel_cache.data_normal3f = animatemodel_cache.buf_normal3f;
6902         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
6903         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);
6904         animatemodel_cache.progid = prog->id;
6905         animatemodel_cache.model = model;
6906         memcpy(&animatemodel_cache.frameblend, &ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
6907         animatemodel_cache.skeleton_p = skeleton;
6908         if(skeleton)
6909                 memcpy(&animatemodel_cache.skeleton, skeleton, sizeof(ed->priv.server->skeleton));
6910 }
6911
6912 static void getmatrix(prvm_prog_t *prog, prvm_edict_t *ed, matrix4x4_t *out)
6913 {
6914         if (prog == SVVM_prog)
6915                 SV_GetEntityMatrix(prog, ed, out, false);
6916         else if (prog == CLVM_prog)
6917                 CL_GetEntityMatrix(prog, ed, out, false);
6918         else
6919                 *out = identitymatrix;
6920 }
6921
6922 static void applytransform_forward(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6923 {
6924         matrix4x4_t m;
6925         getmatrix(prog, ed, &m);
6926         Matrix4x4_Transform(&m, in, out);
6927 }
6928
6929 static void applytransform_forward_direction(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6930 {
6931         matrix4x4_t m;
6932         getmatrix(prog, ed, &m);
6933         Matrix4x4_Transform3x3(&m, in, out);
6934 }
6935
6936 static void applytransform_inverted(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6937 {
6938         matrix4x4_t m, n;
6939         getmatrix(prog, ed, &m);
6940         Matrix4x4_Invert_Full(&n, &m);
6941         Matrix4x4_Transform3x3(&n, in, out);
6942 }
6943
6944 static void applytransform_forward_normal(prvm_prog_t *prog, const vec3_t in, prvm_edict_t *ed, vec3_t out)
6945 {
6946         matrix4x4_t m;
6947         float p[4];
6948         getmatrix(prog, ed, &m);
6949         Matrix4x4_TransformPositivePlane(&m, in[0], in[1], in[2], 0, p);
6950         VectorCopy(p, out);
6951 }
6952
6953 static void clippointtosurface(prvm_prog_t *prog, prvm_edict_t *ed, dp_model_t *model, msurface_t *surface, vec3_t p, vec3_t out)
6954 {
6955         int i, j, k;
6956         float *v[3], facenormal[3], edgenormal[3], sidenormal[3], temp[3], offsetdist, dist, bestdist;
6957         const int *e;
6958         animatemodel(prog, model, ed);
6959         bestdist = 1000000000;
6960         VectorCopy(p, out);
6961         for (i = 0, e = (model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);i < surface->num_triangles;i++, e += 3)
6962         {
6963                 // clip original point to each triangle of the surface and find the
6964                 // triangle that is closest
6965                 v[0] = animatemodel_cache.data_vertex3f + e[0] * 3;
6966                 v[1] = animatemodel_cache.data_vertex3f + e[1] * 3;
6967                 v[2] = animatemodel_cache.data_vertex3f + e[2] * 3;
6968                 TriangleNormal(v[0], v[1], v[2], facenormal);
6969                 VectorNormalize(facenormal);
6970                 offsetdist = DotProduct(v[0], facenormal) - DotProduct(p, facenormal);
6971                 VectorMA(p, offsetdist, facenormal, temp);
6972                 for (j = 0, k = 2;j < 3;k = j, j++)
6973                 {
6974                         VectorSubtract(v[k], v[j], edgenormal);
6975                         CrossProduct(edgenormal, facenormal, sidenormal);
6976                         VectorNormalize(sidenormal);
6977                         offsetdist = DotProduct(v[k], sidenormal) - DotProduct(temp, sidenormal);
6978                         if (offsetdist < 0)
6979                                 VectorMA(temp, offsetdist, sidenormal, temp);
6980                 }
6981                 dist = VectorDistance2(temp, p);
6982                 if (bestdist > dist)
6983                 {
6984                         bestdist = dist;
6985                         VectorCopy(temp, out);
6986                 }
6987         }
6988 }
6989
6990 static msurface_t *getsurface(dp_model_t *model, int surfacenum)
6991 {
6992         if (surfacenum < 0 || surfacenum >= model->nummodelsurfaces)
6993                 return NULL;
6994         return model->data_surfaces + surfacenum + model->firstmodelsurface;
6995 }
6996
6997
6998 //PF_getsurfacenumpoints, // #434 float(entity e, float s) getsurfacenumpoints = #434;
6999 void VM_getsurfacenumpoints(prvm_prog_t *prog)
7000 {
7001         dp_model_t *model;
7002         msurface_t *surface;
7003         VM_SAFEPARMCOUNT(2, VM_getsurfacenumpoints);
7004         // return 0 if no such surface
7005         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7006         {
7007                 PRVM_G_FLOAT(OFS_RETURN) = 0;
7008                 return;
7009         }
7010
7011         // note: this (incorrectly) assumes it is a simple polygon
7012         PRVM_G_FLOAT(OFS_RETURN) = surface->num_vertices;
7013 }
7014 //PF_getsurfacepoint,     // #435 vector(entity e, float s, float n) getsurfacepoint = #435;
7015 void VM_getsurfacepoint(prvm_prog_t *prog)
7016 {
7017         prvm_edict_t *ed;
7018         dp_model_t *model;
7019         msurface_t *surface;
7020         int pointnum;
7021         vec3_t result;
7022         VM_SAFEPARMCOUNT(3, VM_getsurfacepoint);
7023         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7024         ed = PRVM_G_EDICT(OFS_PARM0);
7025         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7026                 return;
7027         // note: this (incorrectly) assumes it is a simple polygon
7028         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
7029         if (pointnum < 0 || pointnum >= surface->num_vertices)
7030                 return;
7031         animatemodel(prog, model, ed);
7032         applytransform_forward(prog, &(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7033         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7034 }
7035 //PF_getsurfacepointattribute,     // #486 vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
7036 // float SPA_POSITION = 0;
7037 // float SPA_S_AXIS = 1;
7038 // float SPA_T_AXIS = 2;
7039 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
7040 // float SPA_TEXCOORDS0 = 4;
7041 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
7042 // float SPA_LIGHTMAP0_COLOR = 6;
7043 void VM_getsurfacepointattribute(prvm_prog_t *prog)
7044 {
7045         prvm_edict_t *ed;
7046         dp_model_t *model;
7047         msurface_t *surface;
7048         int pointnum;
7049         int attributetype;
7050         vec3_t result;
7051
7052         VM_SAFEPARMCOUNT(4, VM_getsurfacepoint);
7053         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7054         ed = PRVM_G_EDICT(OFS_PARM0);
7055         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7056                 return;
7057         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
7058         if (pointnum < 0 || pointnum >= surface->num_vertices)
7059                 return;
7060         attributetype = (int) PRVM_G_FLOAT(OFS_PARM3);
7061
7062         animatemodel(prog, model, ed);
7063
7064         switch( attributetype ) {
7065                 // float SPA_POSITION = 0;
7066                 case 0:
7067                         applytransform_forward(prog, &(animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7068                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7069                         break;
7070                 // float SPA_S_AXIS = 1;
7071                 case 1:
7072                         applytransform_forward_direction(prog, &(animatemodel_cache.data_svector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7073                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7074                         break;
7075                 // float SPA_T_AXIS = 2;
7076                 case 2:
7077                         applytransform_forward_direction(prog, &(animatemodel_cache.data_tvector3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7078                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7079                         break;
7080                 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
7081                 case 3:
7082                         applytransform_forward_direction(prog, &(animatemodel_cache.data_normal3f + 3 * surface->num_firstvertex)[pointnum * 3], ed, result);
7083                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7084                         break;
7085                 // float SPA_TEXCOORDS0 = 4;
7086                 case 4: {
7087                         float *texcoord = &(model->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[pointnum * 2];
7088                         result[0] = texcoord[0];
7089                         result[1] = texcoord[1];
7090                         result[2] = 0.0f;
7091                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7092                         break;
7093                 }
7094                 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
7095                 case 5: {
7096                         float *texcoord = &(model->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[pointnum * 2];
7097                         result[0] = texcoord[0];
7098                         result[1] = texcoord[1];
7099                         result[2] = 0.0f;
7100                         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7101                         break;
7102                 }
7103                 // float SPA_LIGHTMAP0_COLOR = 6;
7104                 case 6:
7105                         // ignore alpha for now..
7106                         VectorCopy( &(model->surfmesh.data_lightmapcolor4f + 4 * surface->num_firstvertex)[pointnum * 4], PRVM_G_VECTOR(OFS_RETURN));
7107                         break;
7108                 default:
7109                         VectorSet( PRVM_G_VECTOR(OFS_RETURN), 0.0f, 0.0f, 0.0f );
7110                         break;
7111         }
7112 }
7113 //PF_getsurfacenormal,    // #436 vector(entity e, float s) getsurfacenormal = #436;
7114 void VM_getsurfacenormal(prvm_prog_t *prog)
7115 {
7116         dp_model_t *model;
7117         msurface_t *surface;
7118         vec3_t normal;
7119         vec3_t result;
7120         VM_SAFEPARMCOUNT(2, VM_getsurfacenormal);
7121         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7122         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7123                 return;
7124         // note: this only returns the first triangle, so it doesn't work very
7125         // well for curved surfaces or arbitrary meshes
7126         animatemodel(prog, model, PRVM_G_EDICT(OFS_PARM0));
7127         TriangleNormal((animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex), (animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex) + 3, (animatemodel_cache.data_vertex3f + 3 * surface->num_firstvertex) + 6, normal);
7128         applytransform_forward_normal(prog, normal, PRVM_G_EDICT(OFS_PARM0), result);
7129         VectorNormalize(result);
7130         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
7131 }
7132 //PF_getsurfacetexture,   // #437 string(entity e, float s) getsurfacetexture = #437;
7133 void VM_getsurfacetexture(prvm_prog_t *prog)
7134 {
7135         dp_model_t *model;
7136         msurface_t *surface;
7137         VM_SAFEPARMCOUNT(2, VM_getsurfacetexture);
7138         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
7139         if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7140                 return;
7141         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, surface->texture->name);
7142 }
7143 //PF_getsurfacenearpoint, // #438 float(entity e, vector p) getsurfacenearpoint = #438;
7144 void VM_getsurfacenearpoint(prvm_prog_t *prog)
7145 {
7146         int surfacenum, best;
7147         vec3_t clipped, p;
7148         vec_t dist, bestdist;
7149         prvm_edict_t *ed;
7150         dp_model_t *model;
7151         msurface_t *surface;
7152         vec3_t point;
7153         VM_SAFEPARMCOUNT(2, VM_getsurfacenearpoint);
7154         PRVM_G_FLOAT(OFS_RETURN) = -1;
7155         ed = PRVM_G_EDICT(OFS_PARM0);
7156         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), point);
7157
7158         if (!ed || ed->priv.server->free)
7159                 return;
7160         model = getmodel(prog, ed);
7161         if (!model || !model->num_surfaces)
7162                 return;
7163
7164         animatemodel(prog, model, ed);
7165
7166         applytransform_inverted(prog, point, ed, p);
7167         best = -1;
7168         bestdist = 1000000000;
7169         for (surfacenum = 0;surfacenum < model->nummodelsurfaces;surfacenum++)
7170         {
7171                 surface = model->data_surfaces + surfacenum + model->firstmodelsurface;
7172                 // first see if the nearest point on the surface's box is closer than the previous match
7173                 clipped[0] = bound(surface->mins[0], p[0], surface->maxs[0]) - p[0];
7174                 clipped[1] = bound(surface->mins[1], p[1], surface->maxs[1]) - p[1];
7175                 clipped[2] = bound(surface->mins[2], p[2], surface->maxs[2]) - p[2];
7176                 dist = VectorLength2(clipped);
7177                 if (dist < bestdist)
7178                 {
7179                         // it is, check the nearest point on the actual geometry
7180                         clippointtosurface(prog, ed, model, surface, p, clipped);
7181                         VectorSubtract(clipped, p, clipped);
7182                         dist += VectorLength2(clipped);
7183                         if (dist < bestdist)
7184                         {
7185                                 // that's closer too, store it as the best match
7186                                 best = surfacenum;
7187                                 bestdist = dist;
7188                         }
7189                 }
7190         }
7191         PRVM_G_FLOAT(OFS_RETURN) = best;
7192 }
7193 //PF_getsurfaceclippedpoint, // #439 vector(entity e, float s, vector p) getsurfaceclippedpoint = #439;
7194 void VM_getsurfaceclippedpoint(prvm_prog_t *prog)
7195 {
7196         prvm_edict_t *ed;
7197         dp_model_t *model;
7198         msurface_t *surface;
7199         vec3_t p, out, inp;
7200         VM_SAFEPARMCOUNT(3, VM_te_getsurfaceclippedpoint);
7201         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7202         ed = PRVM_G_EDICT(OFS_PARM0);
7203         if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7204                 return;
7205         animatemodel(prog, model, ed);
7206         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), inp);
7207         applytransform_inverted(prog, inp, ed, p);
7208         clippointtosurface(prog, ed, model, surface, p, out);
7209         VectorAdd(out, PRVM_serveredictvector(ed, origin), PRVM_G_VECTOR(OFS_RETURN));
7210 }
7211
7212 //PF_getsurfacenumtriangles, // #??? float(entity e, float s) getsurfacenumtriangles = #???;
7213 void VM_getsurfacenumtriangles(prvm_prog_t *prog)
7214 {
7215        dp_model_t *model;
7216        msurface_t *surface;
7217        VM_SAFEPARMCOUNT(2, VM_SV_getsurfacenumtriangles);
7218        // return 0 if no such surface
7219        if (!(model = getmodel(prog, PRVM_G_EDICT(OFS_PARM0))) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7220        {
7221                PRVM_G_FLOAT(OFS_RETURN) = 0;
7222                return;
7223        }
7224
7225        PRVM_G_FLOAT(OFS_RETURN) = surface->num_triangles;
7226 }
7227 //PF_getsurfacetriangle,     // #??? vector(entity e, float s, float n) getsurfacetriangle = #???;
7228 void VM_getsurfacetriangle(prvm_prog_t *prog)
7229 {
7230        const vec3_t d = {-1, -1, -1};
7231        prvm_edict_t *ed;
7232        dp_model_t *model;
7233        msurface_t *surface;
7234        int trinum;
7235        VM_SAFEPARMCOUNT(3, VM_SV_getsurfacetriangle);
7236        VectorClear(PRVM_G_VECTOR(OFS_RETURN));
7237        ed = PRVM_G_EDICT(OFS_PARM0);
7238        if (!(model = getmodel(prog, ed)) || !(surface = getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
7239                return;
7240        trinum = (int)PRVM_G_FLOAT(OFS_PARM2);
7241        if (trinum < 0 || trinum >= surface->num_triangles)
7242                return;
7243        // FIXME: implement rotation/scaling
7244        VectorMA(&(model->surfmesh.data_element3i + 3 * surface->num_firsttriangle)[trinum * 3], surface->num_firstvertex, d, PRVM_G_VECTOR(OFS_RETURN));
7245 }
7246
7247 //
7248 // physics builtins
7249 //
7250
7251 #define VM_physics_ApplyCmd(ed,f) if (!ed->priv.server->ode_body) VM_physics_newstackfunction(prog, ed, f); else World_Physics_ApplyCmd(ed, f)
7252
7253 static edict_odefunc_t *VM_physics_newstackfunction(prvm_prog_t *prog, prvm_edict_t *ed, edict_odefunc_t *f)
7254 {
7255         edict_odefunc_t *newfunc, *func;
7256
7257         newfunc = (edict_odefunc_t *)Mem_Alloc(prog->progs_mempool, sizeof(edict_odefunc_t));
7258         memcpy(newfunc, f, sizeof(edict_odefunc_t));
7259         newfunc->next = NULL;
7260         if (!ed->priv.server->ode_func)
7261                 ed->priv.server->ode_func = newfunc;
7262         else
7263         {
7264                 for (func = ed->priv.server->ode_func; func->next; func = func->next);
7265                 func->next = newfunc;
7266         }
7267         return newfunc;
7268 }
7269
7270 // void(entity e, float physics_enabled) physics_enable = #;
7271 void VM_physics_enable(prvm_prog_t *prog)
7272 {
7273         prvm_edict_t *ed;
7274         edict_odefunc_t f;
7275
7276         VM_SAFEPARMCOUNT(2, VM_physics_enable);
7277         ed = PRVM_G_EDICT(OFS_PARM0);
7278         if (!ed)
7279         {
7280                 if (developer.integer > 0)
7281                         VM_Warning(prog, "VM_physics_enable: null entity!\n");
7282                 return;
7283         }
7284         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7285         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7286         {
7287                 VM_Warning(prog, "VM_physics_enable: entity is not MOVETYPE_PHYSICS!\n");
7288                 return;
7289         }
7290         f.type = PRVM_G_FLOAT(OFS_PARM1) == 0 ? ODEFUNC_DISABLE : ODEFUNC_ENABLE;
7291         VM_physics_ApplyCmd(ed, &f);
7292 }
7293
7294 // void(entity e, vector force, vector relative_ofs) physics_addforce = #;
7295 void VM_physics_addforce(prvm_prog_t *prog)
7296 {
7297         prvm_edict_t *ed;
7298         edict_odefunc_t f;
7299
7300         VM_SAFEPARMCOUNT(3, VM_physics_addforce);
7301         ed = PRVM_G_EDICT(OFS_PARM0);
7302         if (!ed)
7303         {
7304                 if (developer.integer > 0)
7305                         VM_Warning(prog, "VM_physics_addforce: null entity!\n");
7306                 return;
7307         }
7308         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7309         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7310         {
7311                 VM_Warning(prog, "VM_physics_addforce: entity is not MOVETYPE_PHYSICS!\n");
7312                 return;
7313         }
7314         f.type = ODEFUNC_FORCE;
7315         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7316         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), f.v2);
7317         VM_physics_ApplyCmd(ed, &f);
7318 }
7319
7320 // void(entity e, vector torque) physics_addtorque = #;
7321 void VM_physics_addtorque(prvm_prog_t *prog)
7322 {
7323         prvm_edict_t *ed;
7324         edict_odefunc_t f;
7325
7326         VM_SAFEPARMCOUNT(2, VM_physics_addtorque);
7327         ed = PRVM_G_EDICT(OFS_PARM0);
7328         if (!ed)
7329         {
7330                 if (developer.integer > 0)
7331                         VM_Warning(prog, "VM_physics_addtorque: null entity!\n");
7332                 return;
7333         }
7334         // entity should have MOVETYPE_PHYSICS already set, this can damage memory (making leaked allocation) so warn about this even if non-developer
7335         if (PRVM_serveredictfloat(ed, movetype) != MOVETYPE_PHYSICS)
7336         {
7337                 VM_Warning(prog, "VM_physics_addtorque: entity is not MOVETYPE_PHYSICS!\n");
7338                 return;
7339         }
7340         f.type = ODEFUNC_TORQUE;
7341         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f.v1);
7342         VM_physics_ApplyCmd(ed, &f);
7343 }
7344
7345 extern cvar_t prvm_coverage;
7346 void VM_coverage(prvm_prog_t *prog)
7347 {
7348         VM_SAFEPARMCOUNT(0, VM_coverage);
7349         if (prog->explicit_profile[prog->xstatement]++ == 0 && (prvm_coverage.integer & 2))
7350                 PRVM_ExplicitCoverageEvent(prog, prog->xfunction, prog->xstatement);
7351 }