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[divverent/darkplaces.git] / 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 "ft2.h"
14
15 extern cvar_t prvm_backtraceforwarnings;
16
17 // LordHavoc: changed this to NOT use a return statement, so that it can be used in functions that must return a value
18 void VM_Warning(const char *fmt, ...)
19 {
20         va_list argptr;
21         char msg[MAX_INPUTLINE];
22         static double recursive = -1;
23
24         va_start(argptr,fmt);
25         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
26         va_end(argptr);
27
28         Con_Print(msg);
29
30         // TODO: either add a cvar/cmd to control the state dumping or replace some of the calls with Con_Printf [9/13/2006 Black]
31         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
32         {
33                 recursive = realtime;
34                 PRVM_PrintState();
35                 recursive = -1;
36         }
37 }
38
39
40 //============================================================================
41 // Common
42
43 // TODO DONE: move vm_files and vm_fssearchlist to prvm_prog_t struct
44 // TODO: move vm_files and vm_fssearchlist back [9/13/2006 Black]
45 // TODO: (move vm_files and vm_fssearchlist to prvm_prog_t struct again) [2007-01-23 LordHavoc]
46 // TODO: will this war ever end? [2007-01-23 LordHavoc]
47
48 void VM_CheckEmptyString (const char *s)
49 {
50         if (ISWHITESPACE(s[0]))
51                 PRVM_ERROR ("%s: Bad string", PRVM_NAME);
52 }
53
54 void VM_GenerateFrameGroupBlend(framegroupblend_t *framegroupblend, const prvm_edict_t *ed)
55 {
56         prvm_eval_t *val;
57         // self.frame is the interpolation target (new frame)
58         // self.frame1time is the animation base time for the interpolation target
59         // self.frame2 is the interpolation start (previous frame)
60         // self.frame2time is the animation base time for the interpolation start
61         // self.lerpfrac is the interpolation strength for self.frame2
62         // self.lerpfrac3 is the interpolation strength for self.frame3
63         // self.lerpfrac4 is the interpolation strength for self.frame4
64         // pitch angle on a player model where the animator set up 5 sets of
65         // animations and the csqc simply lerps between sets)
66         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame))) framegroupblend[0].frame = (int) val->_float;
67         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2))) framegroupblend[1].frame = (int) val->_float;
68         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame3))) framegroupblend[2].frame = (int) val->_float;
69         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame4))) framegroupblend[3].frame = (int) val->_float;
70         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame1time))) framegroupblend[0].start = val->_float;
71         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame2time))) framegroupblend[1].start = val->_float;
72         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame3time))) framegroupblend[2].start = val->_float;
73         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.frame4time))) framegroupblend[3].start = val->_float;
74         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac))) framegroupblend[1].lerp = val->_float;
75         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac3))) framegroupblend[2].lerp = val->_float;
76         if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.lerpfrac4))) framegroupblend[3].lerp = val->_float;
77         // assume that the (missing) lerpfrac1 is whatever remains after lerpfrac2+lerpfrac3+lerpfrac4 are summed
78         framegroupblend[0].lerp = 1 - framegroupblend[1].lerp - framegroupblend[2].lerp - framegroupblend[3].lerp;
79 }
80
81 // LordHavoc: quite tempting to break apart this function to reuse the
82 //            duplicated code, but I suspect it is better for performance
83 //            this way
84 void VM_FrameBlendFromFrameGroupBlend(frameblend_t *frameblend, const framegroupblend_t *framegroupblend, const dp_model_t *model)
85 {
86         int sub2, numframes, f, i, k;
87         int isfirstframegroup = true;
88         int nolerp;
89         double sublerp, lerp, d;
90         const animscene_t *scene;
91         const framegroupblend_t *g;
92         frameblend_t *blend = frameblend;
93
94         memset(blend, 0, MAX_FRAMEBLENDS * sizeof(*blend));
95
96         if (!model || !model->surfmesh.isanimated)
97         {
98                 blend[0].lerp = 1;
99                 return;
100         }
101
102         nolerp = (model->type == mod_sprite) ? !r_lerpsprites.integer : !r_lerpmodels.integer;
103         numframes = model->numframes;
104         for (k = 0, g = framegroupblend;k < MAX_FRAMEGROUPBLENDS;k++, g++)
105         {
106                 f = g->frame;
107                 if ((unsigned int)f >= (unsigned int)numframes)
108                 {
109                         Con_DPrintf("VM_FrameBlendFromFrameGroupBlend: no such frame %d in model %s\n", f, model->name);
110                         f = 0;
111                 }
112                 d = lerp = g->lerp;
113                 if (lerp <= 0)
114                         continue;
115                 if (nolerp)
116                 {
117                         if (isfirstframegroup)
118                         {
119                                 d = lerp = 1;
120                                 isfirstframegroup = false;
121                         }
122                         else
123                                 continue;
124                 }
125                 if (model->animscenes)
126                 {
127                         scene = model->animscenes + f;
128                         f = scene->firstframe;
129                         if (scene->framecount > 1)
130                         {
131                                 // this code path is only used on .zym models and torches
132                                 sublerp = scene->framerate * (cl.time - g->start);
133                                 f = (int) floor(sublerp);
134                                 sublerp -= f;
135                                 sub2 = f + 1;
136                                 if (sublerp < (1.0 / 65536.0f))
137                                         sublerp = 0;
138                                 if (sublerp > (65535.0f / 65536.0f))
139                                         sublerp = 1;
140                                 if (nolerp)
141                                         sublerp = 0;
142                                 if (scene->loop)
143                                 {
144                                         f = (f % scene->framecount);
145                                         sub2 = (sub2 % scene->framecount);
146                                 }
147                                 f = bound(0, f, (scene->framecount - 1)) + scene->firstframe;
148                                 sub2 = bound(0, sub2, (scene->framecount - 1)) + scene->firstframe;
149                                 d = sublerp * lerp;
150                                 // two framelerps produced from one animation
151                                 if (d > 0)
152                                 {
153                                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
154                                         {
155                                                 if (blend[i].lerp <= 0 || blend[i].subframe == sub2)
156                                                 {
157                                                         blend[i].subframe = sub2;
158                                                         blend[i].lerp += d;
159                                                         break;
160                                                 }
161                                         }
162                                 }
163                                 d = (1 - sublerp) * lerp;
164                         }
165                 }
166                 if (d > 0)
167                 {
168                         for (i = 0;i < MAX_FRAMEBLENDS;i++)
169                         {
170                                 if (blend[i].lerp <= 0 || blend[i].subframe == f)
171                                 {
172                                         blend[i].subframe = f;
173                                         blend[i].lerp += d;
174                                         break;
175                                 }
176                         }
177                 }
178         }
179 }
180
181 void VM_UpdateEdictSkeleton(prvm_edict_t *ed, const dp_model_t *edmodel, const frameblend_t *frameblend)
182 {
183         if (ed->priv.server->skeleton.model != edmodel)
184         {
185                 VM_RemoveEdictSkeleton(ed);
186                 ed->priv.server->skeleton.model = edmodel;
187         }
188         if (!ed->priv.server->skeleton.relativetransforms && ed->priv.server->skeleton.model && ed->priv.server->skeleton.model->num_bones)
189                 ed->priv.server->skeleton.relativetransforms = Mem_Alloc(prog->progs_mempool, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
190         if (ed->priv.server->skeleton.relativetransforms)
191         {
192                 int skeletonindex = 0;
193                 skeleton_t *skeleton;
194                 prvm_eval_t *val;
195                 if ((val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.skeletonindex))) skeletonindex = (int)val->_float;
196                 if (skeletonindex > 0 && skeletonindex < MAX_EDICTS && (skeleton = prog->skeletons[skeletonindex]) && skeleton->model->num_bones == ed->priv.server->skeleton.model->num_bones)
197                 {
198                         // custom skeleton controlled by the game (FTE_CSQC_SKELETONOBJECTS)
199                         memcpy(ed->priv.server->skeleton.relativetransforms, skeleton->relativetransforms, ed->priv.server->skeleton.model->num_bones * sizeof(matrix4x4_t));
200                 }
201                 else
202                 {
203                         // generated skeleton from frame animation
204                         int blendindex;
205                         int bonenum;
206                         int numbones = ed->priv.server->skeleton.model->num_bones;
207                         const float *poses = ed->priv.server->skeleton.model->data_poses;
208                         const float *framebones;
209                         float lerp;
210                         matrix4x4_t *relativetransforms = ed->priv.server->skeleton.relativetransforms;
211                         matrix4x4_t matrix;
212                         memset(relativetransforms, 0, numbones * sizeof(matrix4x4_t));
213                         for (blendindex = 0;blendindex < MAX_FRAMEBLENDS && frameblend[blendindex].lerp > 0;blendindex++)
214                         {
215                                 lerp = frameblend[blendindex].lerp;
216                                 framebones = poses + 12 * frameblend[blendindex].subframe * numbones;
217                                 for (bonenum = 0;bonenum < numbones;bonenum++)
218                                 {
219                                         Matrix4x4_FromArray12FloatD3D(&matrix, framebones + 12 * bonenum);
220                                         Matrix4x4_Accumulate(&ed->priv.server->skeleton.relativetransforms[bonenum], &matrix, lerp);
221                                 }
222                         }
223                 }
224         }
225 }
226
227 void VM_RemoveEdictSkeleton(prvm_edict_t *ed)
228 {
229         if (ed->priv.server->skeleton.relativetransforms)
230                 Mem_Free(ed->priv.server->skeleton.relativetransforms);
231         memset(&ed->priv.server->skeleton, 0, sizeof(ed->priv.server->skeleton));
232 }
233
234
235
236
237 //============================================================================
238 //BUILT-IN FUNCTIONS
239
240 void VM_VarString(int first, char *out, int outlength)
241 {
242         int i;
243         const char *s;
244         char *outend;
245
246         outend = out + outlength - 1;
247         for (i = first;i < prog->argc && out < outend;i++)
248         {
249                 s = PRVM_G_STRING((OFS_PARM0+i*3));
250                 while (out < outend && *s)
251                         *out++ = *s++;
252         }
253         *out++ = 0;
254 }
255
256 /*
257 =================
258 VM_checkextension
259
260 returns true if the extension is supported by the server
261
262 checkextension(extensionname)
263 =================
264 */
265
266 // kind of helper function
267 static qboolean checkextension(const char *name)
268 {
269         int len;
270         char *e, *start;
271         len = (int)strlen(name);
272
273         for (e = prog->extensionstring;*e;e++)
274         {
275                 while (*e == ' ')
276                         e++;
277                 if (!*e)
278                         break;
279                 start = e;
280                 while (*e && *e != ' ')
281                         e++;
282                 if ((e - start) == len && !strncasecmp(start, name, len))
283                         return true;
284         }
285         return false;
286 }
287
288 void VM_checkextension (void)
289 {
290         VM_SAFEPARMCOUNT(1,VM_checkextension);
291
292         PRVM_G_FLOAT(OFS_RETURN) = checkextension(PRVM_G_STRING(OFS_PARM0));
293 }
294
295 /*
296 =================
297 VM_error
298
299 This is a TERMINAL error, which will kill off the entire prog.
300 Dumps self.
301
302 error(value)
303 =================
304 */
305 void VM_error (void)
306 {
307         prvm_edict_t    *ed;
308         char string[VM_STRINGTEMP_LENGTH];
309
310         VM_VarString(0, string, sizeof(string));
311         Con_Printf("======%s ERROR in %s:\n%s\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
312         if (prog->globaloffsets.self >= 0)
313         {
314                 ed = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
315                 PRVM_ED_Print(ed, NULL);
316         }
317
318         PRVM_ERROR ("%s: Program error in function %s:\n%s\nTip: read above for entity information\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
319 }
320
321 /*
322 =================
323 VM_objerror
324
325 Dumps out self, then an error message.  The program is aborted and self is
326 removed, but the level can continue.
327
328 objerror(value)
329 =================
330 */
331 void VM_objerror (void)
332 {
333         prvm_edict_t    *ed;
334         char string[VM_STRINGTEMP_LENGTH];
335
336         VM_VarString(0, string, sizeof(string));
337         Con_Printf("======OBJECT ERROR======\n"); // , PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string); // or include them? FIXME
338         if (prog->globaloffsets.self >= 0)
339         {
340                 ed = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
341                 PRVM_ED_Print(ed, NULL);
342
343                 PRVM_ED_Free (ed);
344         }
345         else
346                 // objerror has to display the object fields -> else call
347                 PRVM_ERROR ("VM_objecterror: self not defined !");
348         Con_Printf("%s OBJECT ERROR in %s:\n%s\nTip: read above for entity information\n", PRVM_NAME, PRVM_GetString(prog->xfunction->s_name), string);
349 }
350
351 /*
352 =================
353 VM_print
354
355 print to console
356
357 print(...[string])
358 =================
359 */
360 void VM_print (void)
361 {
362         char string[VM_STRINGTEMP_LENGTH];
363
364         VM_VarString(0, string, sizeof(string));
365         Con_Print(string);
366 }
367
368 /*
369 =================
370 VM_bprint
371
372 broadcast print to everyone on server
373
374 bprint(...[string])
375 =================
376 */
377 void VM_bprint (void)
378 {
379         char string[VM_STRINGTEMP_LENGTH];
380
381         if(!sv.active)
382         {
383                 VM_Warning("VM_bprint: game is not server(%s) !\n", PRVM_NAME);
384                 return;
385         }
386
387         VM_VarString(0, string, sizeof(string));
388         SV_BroadcastPrint(string);
389 }
390
391 /*
392 =================
393 VM_sprint (menu & client but only if server.active == true)
394
395 single print to a specific client
396
397 sprint(float clientnum,...[string])
398 =================
399 */
400 void VM_sprint (void)
401 {
402         client_t        *client;
403         int                     clientnum;
404         char string[VM_STRINGTEMP_LENGTH];
405
406         VM_SAFEPARMCOUNTRANGE(1, 8, VM_sprint);
407
408         //find client for this entity
409         clientnum = (int)PRVM_G_FLOAT(OFS_PARM0);
410         if (!sv.active  || clientnum < 0 || clientnum >= svs.maxclients || !svs.clients[clientnum].active)
411         {
412                 VM_Warning("VM_sprint: %s: invalid client or server is not active !\n", PRVM_NAME);
413                 return;
414         }
415
416         client = svs.clients + clientnum;
417         if (!client->netconnection)
418                 return;
419
420         VM_VarString(1, string, sizeof(string));
421         MSG_WriteChar(&client->netconnection->message,svc_print);
422         MSG_WriteString(&client->netconnection->message, string);
423 }
424
425 /*
426 =================
427 VM_centerprint
428
429 single print to the screen
430
431 centerprint(value)
432 =================
433 */
434 void VM_centerprint (void)
435 {
436         char string[VM_STRINGTEMP_LENGTH];
437
438         VM_SAFEPARMCOUNTRANGE(1, 8, VM_centerprint);
439         VM_VarString(0, string, sizeof(string));
440         SCR_CenterPrint(string);
441 }
442
443 /*
444 =================
445 VM_normalize
446
447 vector normalize(vector)
448 =================
449 */
450 void VM_normalize (void)
451 {
452         float   *value1;
453         vec3_t  newvalue;
454         double  f;
455
456         VM_SAFEPARMCOUNT(1,VM_normalize);
457
458         value1 = PRVM_G_VECTOR(OFS_PARM0);
459
460         f = VectorLength2(value1);
461         if (f)
462         {
463                 f = 1.0 / sqrt(f);
464                 VectorScale(value1, f, newvalue);
465         }
466         else
467                 VectorClear(newvalue);
468
469         VectorCopy (newvalue, PRVM_G_VECTOR(OFS_RETURN));
470 }
471
472 /*
473 =================
474 VM_vlen
475
476 scalar vlen(vector)
477 =================
478 */
479 void VM_vlen (void)
480 {
481         VM_SAFEPARMCOUNT(1,VM_vlen);
482         PRVM_G_FLOAT(OFS_RETURN) = VectorLength(PRVM_G_VECTOR(OFS_PARM0));
483 }
484
485 /*
486 =================
487 VM_vectoyaw
488
489 float vectoyaw(vector)
490 =================
491 */
492 void VM_vectoyaw (void)
493 {
494         float   *value1;
495         float   yaw;
496
497         VM_SAFEPARMCOUNT(1,VM_vectoyaw);
498
499         value1 = PRVM_G_VECTOR(OFS_PARM0);
500
501         if (value1[1] == 0 && value1[0] == 0)
502                 yaw = 0;
503         else
504         {
505                 yaw = (int) (atan2(value1[1], value1[0]) * 180 / M_PI);
506                 if (yaw < 0)
507                         yaw += 360;
508         }
509
510         PRVM_G_FLOAT(OFS_RETURN) = yaw;
511 }
512
513
514 /*
515 =================
516 VM_vectoangles
517
518 vector vectoangles(vector[, vector])
519 =================
520 */
521 void VM_vectoangles (void)
522 {
523         VM_SAFEPARMCOUNTRANGE(1, 2,VM_vectoangles);
524
525         AnglesFromVectors(PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_PARM0), prog->argc >= 2 ? PRVM_G_VECTOR(OFS_PARM1) : NULL, true);
526 }
527
528 /*
529 =================
530 VM_random
531
532 Returns a number from 0<= num < 1
533
534 float random()
535 =================
536 */
537 void VM_random (void)
538 {
539         VM_SAFEPARMCOUNT(0,VM_random);
540
541         PRVM_G_FLOAT(OFS_RETURN) = lhrandom(0, 1);
542 }
543
544 /*
545 =========
546 VM_localsound
547
548 localsound(string sample)
549 =========
550 */
551 void VM_localsound(void)
552 {
553         const char *s;
554
555         VM_SAFEPARMCOUNT(1,VM_localsound);
556
557         s = PRVM_G_STRING(OFS_PARM0);
558
559         if(!S_LocalSound (s))
560         {
561                 PRVM_G_FLOAT(OFS_RETURN) = -4;
562                 VM_Warning("VM_localsound: Failed to play %s for %s !\n", s, PRVM_NAME);
563                 return;
564         }
565
566         PRVM_G_FLOAT(OFS_RETURN) = 1;
567 }
568
569 /*
570 =================
571 VM_break
572
573 break()
574 =================
575 */
576 void VM_break (void)
577 {
578         PRVM_ERROR ("%s: break statement", PRVM_NAME);
579 }
580
581 //============================================================================
582
583 /*
584 =================
585 VM_localcmd
586
587 Sends text over to the client's execution buffer
588
589 [localcmd (string, ...) or]
590 cmd (string, ...)
591 =================
592 */
593 void VM_localcmd (void)
594 {
595         char string[VM_STRINGTEMP_LENGTH];
596         VM_SAFEPARMCOUNTRANGE(1, 8, VM_localcmd);
597         VM_VarString(0, string, sizeof(string));
598         Cbuf_AddText(string);
599 }
600
601 static qboolean PRVM_Cvar_ReadOk(const char *string)
602 {
603         cvar_t *cvar;
604         cvar = Cvar_FindVar(string);
605         return ((cvar) && ((cvar->flags & CVAR_PRIVATE) == 0));
606 }
607
608 /*
609 =================
610 VM_cvar
611
612 float cvar (string)
613 =================
614 */
615 void VM_cvar (void)
616 {
617         char string[VM_STRINGTEMP_LENGTH];
618         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
619         VM_VarString(0, string, sizeof(string));
620         VM_CheckEmptyString(string);
621         PRVM_G_FLOAT(OFS_RETURN) = PRVM_Cvar_ReadOk(string) ? Cvar_VariableValue(string) : 0;
622 }
623
624 /*
625 =================
626 VM_cvar
627
628 float cvar_type (string)
629 float CVAR_TYPEFLAG_EXISTS = 1;
630 float CVAR_TYPEFLAG_SAVED = 2;
631 float CVAR_TYPEFLAG_PRIVATE = 4;
632 float CVAR_TYPEFLAG_ENGINE = 8;
633 float CVAR_TYPEFLAG_HASDESCRIPTION = 16;
634 float CVAR_TYPEFLAG_READONLY = 32;
635 =================
636 */
637 void VM_cvar_type (void)
638 {
639         char string[VM_STRINGTEMP_LENGTH];
640         cvar_t *cvar;
641         int ret;
642
643         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar);
644         VM_VarString(0, string, sizeof(string));
645         VM_CheckEmptyString(string);
646         cvar = Cvar_FindVar(string);
647
648
649         if(!cvar)
650         {
651                 PRVM_G_FLOAT(OFS_RETURN) = 0;
652                 return; // CVAR_TYPE_NONE
653         }
654
655         ret = 1; // CVAR_EXISTS
656         if(cvar->flags & CVAR_SAVE)
657                 ret |= 2; // CVAR_TYPE_SAVED
658         if(cvar->flags & CVAR_PRIVATE)
659                 ret |= 4; // CVAR_TYPE_PRIVATE
660         if(!(cvar->flags & CVAR_ALLOCATED))
661                 ret |= 8; // CVAR_TYPE_ENGINE
662         if(cvar->description != cvar_dummy_description)
663                 ret |= 16; // CVAR_TYPE_HASDESCRIPTION
664         if(cvar->flags & CVAR_READONLY)
665                 ret |= 32; // CVAR_TYPE_READONLY
666         
667         PRVM_G_FLOAT(OFS_RETURN) = ret;
668 }
669
670 /*
671 =================
672 VM_cvar_string
673
674 const string    VM_cvar_string (string, ...)
675 =================
676 */
677 void VM_cvar_string(void)
678 {
679         char string[VM_STRINGTEMP_LENGTH];
680         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_string);
681         VM_VarString(0, string, sizeof(string));
682         VM_CheckEmptyString(string);
683         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(PRVM_Cvar_ReadOk(string) ? Cvar_VariableString(string) : "");
684 }
685
686
687 /*
688 ========================
689 VM_cvar_defstring
690
691 const string    VM_cvar_defstring (string, ...)
692 ========================
693 */
694 void VM_cvar_defstring (void)
695 {
696         char string[VM_STRINGTEMP_LENGTH];
697         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_defstring);
698         VM_VarString(0, string, sizeof(string));
699         VM_CheckEmptyString(string);
700         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDefString(string));
701 }
702
703 /*
704 ========================
705 VM_cvar_defstring
706
707 const string    VM_cvar_description (string, ...)
708 ========================
709 */
710 void VM_cvar_description (void)
711 {
712         char string[VM_STRINGTEMP_LENGTH];
713         VM_SAFEPARMCOUNTRANGE(1,8,VM_cvar_description);
714         VM_VarString(0, string, sizeof(string));
715         VM_CheckEmptyString(string);
716         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Cvar_VariableDescription(string));
717 }
718 /*
719 =================
720 VM_cvar_set
721
722 void cvar_set (string,string, ...)
723 =================
724 */
725 void VM_cvar_set (void)
726 {
727         const char *name;
728         char string[VM_STRINGTEMP_LENGTH];
729         VM_SAFEPARMCOUNTRANGE(2,8,VM_cvar_set);
730         VM_VarString(1, string, sizeof(string));
731         name = PRVM_G_STRING(OFS_PARM0);
732         VM_CheckEmptyString(name);
733         Cvar_Set(name, string);
734 }
735
736 /*
737 =========
738 VM_dprint
739
740 dprint(...[string])
741 =========
742 */
743 void VM_dprint (void)
744 {
745         char string[VM_STRINGTEMP_LENGTH];
746         VM_SAFEPARMCOUNTRANGE(1, 8, VM_dprint);
747         if (developer.integer)
748         {
749                 VM_VarString(0, string, sizeof(string));
750 #if 1
751                 Con_Printf("%s", string);
752 #else
753                 Con_Printf("%s: %s", PRVM_NAME, string);
754 #endif
755         }
756 }
757
758 /*
759 =========
760 VM_ftos
761
762 string  ftos(float)
763 =========
764 */
765
766 void VM_ftos (void)
767 {
768         float v;
769         char s[128];
770
771         VM_SAFEPARMCOUNT(1, VM_ftos);
772
773         v = PRVM_G_FLOAT(OFS_PARM0);
774
775         if ((float)((int)v) == v)
776                 dpsnprintf(s, sizeof(s), "%i", (int)v);
777         else
778                 dpsnprintf(s, sizeof(s), "%f", v);
779         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
780 }
781
782 /*
783 =========
784 VM_fabs
785
786 float   fabs(float)
787 =========
788 */
789
790 void VM_fabs (void)
791 {
792         float   v;
793
794         VM_SAFEPARMCOUNT(1,VM_fabs);
795
796         v = PRVM_G_FLOAT(OFS_PARM0);
797         PRVM_G_FLOAT(OFS_RETURN) = fabs(v);
798 }
799
800 /*
801 =========
802 VM_vtos
803
804 string  vtos(vector)
805 =========
806 */
807
808 void VM_vtos (void)
809 {
810         char s[512];
811
812         VM_SAFEPARMCOUNT(1,VM_vtos);
813
814         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]);
815         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
816 }
817
818 /*
819 =========
820 VM_etos
821
822 string  etos(entity)
823 =========
824 */
825
826 void VM_etos (void)
827 {
828         char s[128];
829
830         VM_SAFEPARMCOUNT(1, VM_etos);
831
832         dpsnprintf (s, sizeof(s), "entity %i", PRVM_G_EDICTNUM(OFS_PARM0));
833         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
834 }
835
836 /*
837 =========
838 VM_stof
839
840 float stof(...[string])
841 =========
842 */
843 void VM_stof(void)
844 {
845         char string[VM_STRINGTEMP_LENGTH];
846         VM_SAFEPARMCOUNTRANGE(1, 8, VM_stof);
847         VM_VarString(0, string, sizeof(string));
848         PRVM_G_FLOAT(OFS_RETURN) = atof(string);
849 }
850
851 /*
852 ========================
853 VM_itof
854
855 float itof(intt ent)
856 ========================
857 */
858 void VM_itof(void)
859 {
860         VM_SAFEPARMCOUNT(1, VM_itof);
861         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
862 }
863
864 /*
865 ========================
866 VM_ftoe
867
868 entity ftoe(float num)
869 ========================
870 */
871 void VM_ftoe(void)
872 {
873         int ent;
874         VM_SAFEPARMCOUNT(1, VM_ftoe);
875
876         ent = (int)PRVM_G_FLOAT(OFS_PARM0);
877         if (ent < 0 || ent >= MAX_EDICTS || PRVM_PROG_TO_EDICT(ent)->priv.required->free)
878                 ent = 0; // return world instead of a free or invalid entity
879
880         PRVM_G_INT(OFS_RETURN) = ent;
881 }
882
883 /*
884 ========================
885 VM_etof
886
887 float etof(entity ent)
888 ========================
889 */
890 void VM_etof(void)
891 {
892         VM_SAFEPARMCOUNT(1, VM_etof);
893         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICTNUM(OFS_PARM0);
894 }
895
896 /*
897 =========
898 VM_strftime
899
900 string strftime(float uselocaltime, string[, string ...])
901 =========
902 */
903 void VM_strftime(void)
904 {
905         time_t t;
906 #if _MSC_VER >= 1400
907         struct tm tm;
908         int tmresult;
909 #else
910         struct tm *tm;
911 #endif
912         char fmt[VM_STRINGTEMP_LENGTH];
913         char result[VM_STRINGTEMP_LENGTH];
914         VM_SAFEPARMCOUNTRANGE(2, 8, VM_strftime);
915         VM_VarString(1, fmt, sizeof(fmt));
916         t = time(NULL);
917 #if _MSC_VER >= 1400
918         if (PRVM_G_FLOAT(OFS_PARM0))
919                 tmresult = localtime_s(&tm, &t);
920         else
921                 tmresult = gmtime_s(&tm, &t);
922         if (!tmresult)
923 #else
924         if (PRVM_G_FLOAT(OFS_PARM0))
925                 tm = localtime(&t);
926         else
927                 tm = gmtime(&t);
928         if (!tm)
929 #endif
930         {
931                 PRVM_G_INT(OFS_RETURN) = 0;
932                 return;
933         }
934 #if _MSC_VER >= 1400
935         strftime(result, sizeof(result), fmt, &tm);
936 #else
937         strftime(result, sizeof(result), fmt, tm);
938 #endif
939         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(result);
940 }
941
942 /*
943 =========
944 VM_spawn
945
946 entity spawn()
947 =========
948 */
949
950 void VM_spawn (void)
951 {
952         prvm_edict_t    *ed;
953         VM_SAFEPARMCOUNT(0, VM_spawn);
954         prog->xfunction->builtinsprofile += 20;
955         ed = PRVM_ED_Alloc();
956         VM_RETURN_EDICT(ed);
957 }
958
959 /*
960 =========
961 VM_remove
962
963 remove(entity e)
964 =========
965 */
966
967 void VM_remove (void)
968 {
969         prvm_edict_t    *ed;
970         prog->xfunction->builtinsprofile += 20;
971
972         VM_SAFEPARMCOUNT(1, VM_remove);
973
974         ed = PRVM_G_EDICT(OFS_PARM0);
975         if( PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
976         {
977                 if (developer.integer >= 1)
978                         VM_Warning( "VM_remove: tried to remove the null entity or a reserved entity!\n" );
979         }
980         else if( ed->priv.required->free )
981         {
982                 if (developer.integer >= 1)
983                         VM_Warning( "VM_remove: tried to remove an already freed entity!\n" );
984         }
985         else
986                 PRVM_ED_Free (ed);
987 }
988
989 /*
990 =========
991 VM_find
992
993 entity  find(entity start, .string field, string match)
994 =========
995 */
996
997 void VM_find (void)
998 {
999         int             e;
1000         int             f;
1001         const char      *s, *t;
1002         prvm_edict_t    *ed;
1003
1004         VM_SAFEPARMCOUNT(3,VM_find);
1005
1006         e = PRVM_G_EDICTNUM(OFS_PARM0);
1007         f = PRVM_G_INT(OFS_PARM1);
1008         s = PRVM_G_STRING(OFS_PARM2);
1009
1010         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1011         // expects it to find all the monsters, so we must be careful to support
1012         // searching for ""
1013
1014         for (e++ ; e < prog->num_edicts ; e++)
1015         {
1016                 prog->xfunction->builtinsprofile++;
1017                 ed = PRVM_EDICT_NUM(e);
1018                 if (ed->priv.required->free)
1019                         continue;
1020                 t = PRVM_E_STRING(ed,f);
1021                 if (!t)
1022                         t = "";
1023                 if (!strcmp(t,s))
1024                 {
1025                         VM_RETURN_EDICT(ed);
1026                         return;
1027                 }
1028         }
1029
1030         VM_RETURN_EDICT(prog->edicts);
1031 }
1032
1033 /*
1034 =========
1035 VM_findfloat
1036
1037   entity        findfloat(entity start, .float field, float match)
1038   entity        findentity(entity start, .entity field, entity match)
1039 =========
1040 */
1041 // LordHavoc: added this for searching float, int, and entity reference fields
1042 void VM_findfloat (void)
1043 {
1044         int             e;
1045         int             f;
1046         float   s;
1047         prvm_edict_t    *ed;
1048
1049         VM_SAFEPARMCOUNT(3,VM_findfloat);
1050
1051         e = PRVM_G_EDICTNUM(OFS_PARM0);
1052         f = PRVM_G_INT(OFS_PARM1);
1053         s = PRVM_G_FLOAT(OFS_PARM2);
1054
1055         for (e++ ; e < prog->num_edicts ; e++)
1056         {
1057                 prog->xfunction->builtinsprofile++;
1058                 ed = PRVM_EDICT_NUM(e);
1059                 if (ed->priv.required->free)
1060                         continue;
1061                 if (PRVM_E_FLOAT(ed,f) == s)
1062                 {
1063                         VM_RETURN_EDICT(ed);
1064                         return;
1065                 }
1066         }
1067
1068         VM_RETURN_EDICT(prog->edicts);
1069 }
1070
1071 /*
1072 =========
1073 VM_findchain
1074
1075 entity  findchain(.string field, string match)
1076 =========
1077 */
1078 // chained search for strings in entity fields
1079 // entity(.string field, string match) findchain = #402;
1080 void VM_findchain (void)
1081 {
1082         int             i;
1083         int             f;
1084         const char      *s, *t;
1085         prvm_edict_t    *ent, *chain;
1086         int chainfield;
1087
1088         VM_SAFEPARMCOUNTRANGE(2,3,VM_findchain);
1089
1090         if(prog->argc == 3)
1091                 chainfield = PRVM_G_INT(OFS_PARM2);
1092         else
1093                 chainfield = prog->fieldoffsets.chain;
1094         if (chainfield < 0)
1095                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
1096
1097         chain = prog->edicts;
1098
1099         f = PRVM_G_INT(OFS_PARM0);
1100         s = PRVM_G_STRING(OFS_PARM1);
1101
1102         // LordHavoc: apparently BloodMage does a find(world, weaponmodel, "") and
1103         // expects it to find all the monsters, so we must be careful to support
1104         // searching for ""
1105
1106         ent = PRVM_NEXT_EDICT(prog->edicts);
1107         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1108         {
1109                 prog->xfunction->builtinsprofile++;
1110                 if (ent->priv.required->free)
1111                         continue;
1112                 t = PRVM_E_STRING(ent,f);
1113                 if (!t)
1114                         t = "";
1115                 if (strcmp(t,s))
1116                         continue;
1117
1118                 PRVM_EDICTFIELDVALUE(ent,chainfield)->edict = PRVM_NUM_FOR_EDICT(chain);
1119                 chain = ent;
1120         }
1121
1122         VM_RETURN_EDICT(chain);
1123 }
1124
1125 /*
1126 =========
1127 VM_findchainfloat
1128
1129 entity  findchainfloat(.string field, float match)
1130 entity  findchainentity(.string field, entity match)
1131 =========
1132 */
1133 // LordHavoc: chained search for float, int, and entity reference fields
1134 // entity(.string field, float match) findchainfloat = #403;
1135 void VM_findchainfloat (void)
1136 {
1137         int             i;
1138         int             f;
1139         float   s;
1140         prvm_edict_t    *ent, *chain;
1141         int chainfield;
1142
1143         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainfloat);
1144
1145         if(prog->argc == 3)
1146                 chainfield = PRVM_G_INT(OFS_PARM2);
1147         else
1148                 chainfield = prog->fieldoffsets.chain;
1149         if (chainfield < 0)
1150                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
1151
1152         chain = (prvm_edict_t *)prog->edicts;
1153
1154         f = PRVM_G_INT(OFS_PARM0);
1155         s = PRVM_G_FLOAT(OFS_PARM1);
1156
1157         ent = PRVM_NEXT_EDICT(prog->edicts);
1158         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1159         {
1160                 prog->xfunction->builtinsprofile++;
1161                 if (ent->priv.required->free)
1162                         continue;
1163                 if (PRVM_E_FLOAT(ent,f) != s)
1164                         continue;
1165
1166                 PRVM_EDICTFIELDVALUE(ent,chainfield)->edict = PRVM_EDICT_TO_PROG(chain);
1167                 chain = ent;
1168         }
1169
1170         VM_RETURN_EDICT(chain);
1171 }
1172
1173 /*
1174 ========================
1175 VM_findflags
1176
1177 entity  findflags(entity start, .float field, float match)
1178 ========================
1179 */
1180 // LordHavoc: search for flags in float fields
1181 void VM_findflags (void)
1182 {
1183         int             e;
1184         int             f;
1185         int             s;
1186         prvm_edict_t    *ed;
1187
1188         VM_SAFEPARMCOUNT(3, VM_findflags);
1189
1190
1191         e = PRVM_G_EDICTNUM(OFS_PARM0);
1192         f = PRVM_G_INT(OFS_PARM1);
1193         s = (int)PRVM_G_FLOAT(OFS_PARM2);
1194
1195         for (e++ ; e < prog->num_edicts ; e++)
1196         {
1197                 prog->xfunction->builtinsprofile++;
1198                 ed = PRVM_EDICT_NUM(e);
1199                 if (ed->priv.required->free)
1200                         continue;
1201                 if (!PRVM_E_FLOAT(ed,f))
1202                         continue;
1203                 if ((int)PRVM_E_FLOAT(ed,f) & s)
1204                 {
1205                         VM_RETURN_EDICT(ed);
1206                         return;
1207                 }
1208         }
1209
1210         VM_RETURN_EDICT(prog->edicts);
1211 }
1212
1213 /*
1214 ========================
1215 VM_findchainflags
1216
1217 entity  findchainflags(.float field, float match)
1218 ========================
1219 */
1220 // LordHavoc: chained search for flags in float fields
1221 void VM_findchainflags (void)
1222 {
1223         int             i;
1224         int             f;
1225         int             s;
1226         prvm_edict_t    *ent, *chain;
1227         int chainfield;
1228
1229         VM_SAFEPARMCOUNTRANGE(2, 3, VM_findchainflags);
1230
1231         if(prog->argc == 3)
1232                 chainfield = PRVM_G_INT(OFS_PARM2);
1233         else
1234                 chainfield = prog->fieldoffsets.chain;
1235         if (chainfield < 0)
1236                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
1237
1238         chain = (prvm_edict_t *)prog->edicts;
1239
1240         f = PRVM_G_INT(OFS_PARM0);
1241         s = (int)PRVM_G_FLOAT(OFS_PARM1);
1242
1243         ent = PRVM_NEXT_EDICT(prog->edicts);
1244         for (i = 1;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
1245         {
1246                 prog->xfunction->builtinsprofile++;
1247                 if (ent->priv.required->free)
1248                         continue;
1249                 if (!PRVM_E_FLOAT(ent,f))
1250                         continue;
1251                 if (!((int)PRVM_E_FLOAT(ent,f) & s))
1252                         continue;
1253
1254                 PRVM_EDICTFIELDVALUE(ent,chainfield)->edict = PRVM_EDICT_TO_PROG(chain);
1255                 chain = ent;
1256         }
1257
1258         VM_RETURN_EDICT(chain);
1259 }
1260
1261 /*
1262 =========
1263 VM_precache_sound
1264
1265 string  precache_sound (string sample)
1266 =========
1267 */
1268 void VM_precache_sound (void)
1269 {
1270         const char *s;
1271
1272         VM_SAFEPARMCOUNT(1, VM_precache_sound);
1273
1274         s = PRVM_G_STRING(OFS_PARM0);
1275         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1276         //VM_CheckEmptyString(s);
1277
1278         if(snd_initialized.integer && !S_PrecacheSound(s, true, true))
1279         {
1280                 VM_Warning("VM_precache_sound: Failed to load %s for %s\n", s, PRVM_NAME);
1281                 return;
1282         }
1283 }
1284
1285 /*
1286 =================
1287 VM_precache_file
1288
1289 returns the same string as output
1290
1291 does nothing, only used by qcc to build .pak archives
1292 =================
1293 */
1294 void VM_precache_file (void)
1295 {
1296         VM_SAFEPARMCOUNT(1,VM_precache_file);
1297         // precache_file is only used to copy files with qcc, it does nothing
1298         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
1299 }
1300
1301 /*
1302 =========
1303 VM_coredump
1304
1305 coredump()
1306 =========
1307 */
1308 void VM_coredump (void)
1309 {
1310         VM_SAFEPARMCOUNT(0,VM_coredump);
1311
1312         Cbuf_AddText("prvm_edicts ");
1313         Cbuf_AddText(PRVM_NAME);
1314         Cbuf_AddText("\n");
1315 }
1316
1317 /*
1318 =========
1319 VM_stackdump
1320
1321 stackdump()
1322 =========
1323 */
1324 void PRVM_StackTrace(void);
1325 void VM_stackdump (void)
1326 {
1327         VM_SAFEPARMCOUNT(0, VM_stackdump);
1328
1329         PRVM_StackTrace();
1330 }
1331
1332 /*
1333 =========
1334 VM_crash
1335
1336 crash()
1337 =========
1338 */
1339
1340 void VM_crash(void)
1341 {
1342         VM_SAFEPARMCOUNT(0, VM_crash);
1343
1344         PRVM_ERROR("Crash called by %s",PRVM_NAME);
1345 }
1346
1347 /*
1348 =========
1349 VM_traceon
1350
1351 traceon()
1352 =========
1353 */
1354 void VM_traceon (void)
1355 {
1356         VM_SAFEPARMCOUNT(0,VM_traceon);
1357
1358         prog->trace = true;
1359 }
1360
1361 /*
1362 =========
1363 VM_traceoff
1364
1365 traceoff()
1366 =========
1367 */
1368 void VM_traceoff (void)
1369 {
1370         VM_SAFEPARMCOUNT(0,VM_traceoff);
1371
1372         prog->trace = false;
1373 }
1374
1375 /*
1376 =========
1377 VM_eprint
1378
1379 eprint(entity e)
1380 =========
1381 */
1382 void VM_eprint (void)
1383 {
1384         VM_SAFEPARMCOUNT(1,VM_eprint);
1385
1386         PRVM_ED_PrintNum (PRVM_G_EDICTNUM(OFS_PARM0), NULL);
1387 }
1388
1389 /*
1390 =========
1391 VM_rint
1392
1393 float   rint(float)
1394 =========
1395 */
1396 void VM_rint (void)
1397 {
1398         float f;
1399         VM_SAFEPARMCOUNT(1,VM_rint);
1400
1401         f = PRVM_G_FLOAT(OFS_PARM0);
1402         if (f > 0)
1403                 PRVM_G_FLOAT(OFS_RETURN) = floor(f + 0.5);
1404         else
1405                 PRVM_G_FLOAT(OFS_RETURN) = ceil(f - 0.5);
1406 }
1407
1408 /*
1409 =========
1410 VM_floor
1411
1412 float   floor(float)
1413 =========
1414 */
1415 void VM_floor (void)
1416 {
1417         VM_SAFEPARMCOUNT(1,VM_floor);
1418
1419         PRVM_G_FLOAT(OFS_RETURN) = floor(PRVM_G_FLOAT(OFS_PARM0));
1420 }
1421
1422 /*
1423 =========
1424 VM_ceil
1425
1426 float   ceil(float)
1427 =========
1428 */
1429 void VM_ceil (void)
1430 {
1431         VM_SAFEPARMCOUNT(1,VM_ceil);
1432
1433         PRVM_G_FLOAT(OFS_RETURN) = ceil(PRVM_G_FLOAT(OFS_PARM0));
1434 }
1435
1436
1437 /*
1438 =============
1439 VM_nextent
1440
1441 entity  nextent(entity)
1442 =============
1443 */
1444 void VM_nextent (void)
1445 {
1446         int             i;
1447         prvm_edict_t    *ent;
1448
1449         VM_SAFEPARMCOUNT(1, VM_nextent);
1450
1451         i = PRVM_G_EDICTNUM(OFS_PARM0);
1452         while (1)
1453         {
1454                 prog->xfunction->builtinsprofile++;
1455                 i++;
1456                 if (i == prog->num_edicts)
1457                 {
1458                         VM_RETURN_EDICT(prog->edicts);
1459                         return;
1460                 }
1461                 ent = PRVM_EDICT_NUM(i);
1462                 if (!ent->priv.required->free)
1463                 {
1464                         VM_RETURN_EDICT(ent);
1465                         return;
1466                 }
1467         }
1468 }
1469
1470 //=============================================================================
1471
1472 /*
1473 ==============
1474 VM_changelevel
1475 server and menu
1476
1477 changelevel(string map)
1478 ==============
1479 */
1480 void VM_changelevel (void)
1481 {
1482         VM_SAFEPARMCOUNT(1, VM_changelevel);
1483
1484         if(!sv.active)
1485         {
1486                 VM_Warning("VM_changelevel: game is not server (%s)\n", PRVM_NAME);
1487                 return;
1488         }
1489
1490 // make sure we don't issue two changelevels
1491         if (svs.changelevel_issued)
1492                 return;
1493         svs.changelevel_issued = true;
1494
1495         Cbuf_AddText (va("changelevel %s\n",PRVM_G_STRING(OFS_PARM0)));
1496 }
1497
1498 /*
1499 =========
1500 VM_sin
1501
1502 float   sin(float)
1503 =========
1504 */
1505 void VM_sin (void)
1506 {
1507         VM_SAFEPARMCOUNT(1,VM_sin);
1508         PRVM_G_FLOAT(OFS_RETURN) = sin(PRVM_G_FLOAT(OFS_PARM0));
1509 }
1510
1511 /*
1512 =========
1513 VM_cos
1514 float   cos(float)
1515 =========
1516 */
1517 void VM_cos (void)
1518 {
1519         VM_SAFEPARMCOUNT(1,VM_cos);
1520         PRVM_G_FLOAT(OFS_RETURN) = cos(PRVM_G_FLOAT(OFS_PARM0));
1521 }
1522
1523 /*
1524 =========
1525 VM_sqrt
1526
1527 float   sqrt(float)
1528 =========
1529 */
1530 void VM_sqrt (void)
1531 {
1532         VM_SAFEPARMCOUNT(1,VM_sqrt);
1533         PRVM_G_FLOAT(OFS_RETURN) = sqrt(PRVM_G_FLOAT(OFS_PARM0));
1534 }
1535
1536 /*
1537 =========
1538 VM_asin
1539
1540 float   asin(float)
1541 =========
1542 */
1543 void VM_asin (void)
1544 {
1545         VM_SAFEPARMCOUNT(1,VM_asin);
1546         PRVM_G_FLOAT(OFS_RETURN) = asin(PRVM_G_FLOAT(OFS_PARM0));
1547 }
1548
1549 /*
1550 =========
1551 VM_acos
1552 float   acos(float)
1553 =========
1554 */
1555 void VM_acos (void)
1556 {
1557         VM_SAFEPARMCOUNT(1,VM_acos);
1558         PRVM_G_FLOAT(OFS_RETURN) = acos(PRVM_G_FLOAT(OFS_PARM0));
1559 }
1560
1561 /*
1562 =========
1563 VM_atan
1564 float   atan(float)
1565 =========
1566 */
1567 void VM_atan (void)
1568 {
1569         VM_SAFEPARMCOUNT(1,VM_atan);
1570         PRVM_G_FLOAT(OFS_RETURN) = atan(PRVM_G_FLOAT(OFS_PARM0));
1571 }
1572
1573 /*
1574 =========
1575 VM_atan2
1576 float   atan2(float,float)
1577 =========
1578 */
1579 void VM_atan2 (void)
1580 {
1581         VM_SAFEPARMCOUNT(2,VM_atan2);
1582         PRVM_G_FLOAT(OFS_RETURN) = atan2(PRVM_G_FLOAT(OFS_PARM0), PRVM_G_FLOAT(OFS_PARM1));
1583 }
1584
1585 /*
1586 =========
1587 VM_tan
1588 float   tan(float)
1589 =========
1590 */
1591 void VM_tan (void)
1592 {
1593         VM_SAFEPARMCOUNT(1,VM_tan);
1594         PRVM_G_FLOAT(OFS_RETURN) = tan(PRVM_G_FLOAT(OFS_PARM0));
1595 }
1596
1597 /*
1598 =================
1599 VM_randomvec
1600
1601 Returns a vector of length < 1 and > 0
1602
1603 vector randomvec()
1604 =================
1605 */
1606 void VM_randomvec (void)
1607 {
1608         vec3_t          temp;
1609         //float         length;
1610
1611         VM_SAFEPARMCOUNT(0, VM_randomvec);
1612
1613         //// WTF ??
1614         do
1615         {
1616                 temp[0] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1617                 temp[1] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1618                 temp[2] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1619         }
1620         while (DotProduct(temp, temp) >= 1);
1621         VectorCopy (temp, PRVM_G_VECTOR(OFS_RETURN));
1622
1623         /*
1624         temp[0] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1625         temp[1] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1626         temp[2] = (rand()&32767) * (2.0 / 32767.0) - 1.0;
1627         // length returned always > 0
1628         length = (rand()&32766 + 1) * (1.0 / 32767.0) / VectorLength(temp);
1629         VectorScale(temp,length, 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 (void)
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("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 (void)
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 (void)
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 (void)
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 (void)
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 (void)
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(void)
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(void)
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( 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, PRVM_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, PRVM_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(void)
1806 {
1807         int filenum, mode;
1808         const char *modestring, *filename;
1809
1810         VM_SAFEPARMCOUNT(2,VM_fopen);
1811
1812         for (filenum = 0;filenum < PRVM_MAX_OPENFILES;filenum++)
1813                 if (prog->openfiles[filenum] == NULL)
1814                         break;
1815         if (filenum >= PRVM_MAX_OPENFILES)
1816         {
1817                 PRVM_G_FLOAT(OFS_RETURN) = -2;
1818                 VM_Warning("VM_fopen: %s ran out of file handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENFILES);
1819                 return;
1820         }
1821         filename = PRVM_G_STRING(OFS_PARM0);
1822         mode = (int)PRVM_G_FLOAT(OFS_PARM1);
1823         switch(mode)
1824         {
1825         case 0: // FILE_READ
1826                 modestring = "rb";
1827                 prog->openfiles[filenum] = FS_OpenVirtualFile(va("data/%s", filename), false);
1828                 if (prog->openfiles[filenum] == NULL)
1829                         prog->openfiles[filenum] = FS_OpenVirtualFile(va("%s", filename), false);
1830                 break;
1831         case 1: // FILE_APPEND
1832                 modestring = "a";
1833                 prog->openfiles[filenum] = FS_OpenRealFile(va("data/%s", filename), modestring, false);
1834                 break;
1835         case 2: // FILE_WRITE
1836                 modestring = "w";
1837                 prog->openfiles[filenum] = FS_OpenRealFile(va("data/%s", filename), modestring, false);
1838                 break;
1839         default:
1840                 PRVM_G_FLOAT(OFS_RETURN) = -3;
1841                 VM_Warning("VM_fopen: %s: no such mode %i (valid: 0 = read, 1 = append, 2 = write)\n", PRVM_NAME, mode);
1842                 return;
1843         }
1844
1845         if (prog->openfiles[filenum] == NULL)
1846         {
1847                 PRVM_G_FLOAT(OFS_RETURN) = -1;
1848                 if (developer.integer >= 100)
1849                         VM_Warning("VM_fopen: %s: %s mode %s failed\n", PRVM_NAME, filename, modestring);
1850         }
1851         else
1852         {
1853                 PRVM_G_FLOAT(OFS_RETURN) = filenum;
1854                 if (developer.integer >= 100)
1855                         Con_Printf("VM_fopen: %s: %s mode %s opened as #%i\n", PRVM_NAME, filename, modestring, filenum);
1856                 prog->openfiles_origin[filenum] = PRVM_AllocationOrigin();
1857         }
1858 }
1859
1860 /*
1861 =========
1862 VM_fclose
1863
1864 fclose(float fhandle)
1865 =========
1866 */
1867 //void(float fhandle) fclose = #111; // closes a file
1868 void VM_fclose(void)
1869 {
1870         int filenum;
1871
1872         VM_SAFEPARMCOUNT(1,VM_fclose);
1873
1874         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1875         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1876         {
1877                 VM_Warning("VM_fclose: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
1878                 return;
1879         }
1880         if (prog->openfiles[filenum] == NULL)
1881         {
1882                 VM_Warning("VM_fclose: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
1883                 return;
1884         }
1885         FS_Close(prog->openfiles[filenum]);
1886         prog->openfiles[filenum] = NULL;
1887         if(prog->openfiles_origin[filenum])
1888                 PRVM_Free((char *)prog->openfiles_origin[filenum]);
1889         if (developer.integer >= 100)
1890                 Con_Printf("VM_fclose: %s: #%i closed\n", PRVM_NAME, filenum);
1891 }
1892
1893 /*
1894 =========
1895 VM_fgets
1896
1897 string  fgets(float fhandle)
1898 =========
1899 */
1900 //string(float fhandle) fgets = #112; // reads a line of text from the file and returns as a tempstring
1901 void VM_fgets(void)
1902 {
1903         int c, end;
1904         char string[VM_STRINGTEMP_LENGTH];
1905         int filenum;
1906
1907         VM_SAFEPARMCOUNT(1,VM_fgets);
1908
1909         // set the return value regardless of any possible errors
1910         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1911
1912         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1913         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1914         {
1915                 VM_Warning("VM_fgets: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
1916                 return;
1917         }
1918         if (prog->openfiles[filenum] == NULL)
1919         {
1920                 VM_Warning("VM_fgets: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
1921                 return;
1922         }
1923         end = 0;
1924         for (;;)
1925         {
1926                 c = FS_Getc(prog->openfiles[filenum]);
1927                 if (c == '\r' || c == '\n' || c < 0)
1928                         break;
1929                 if (end < VM_STRINGTEMP_LENGTH - 1)
1930                         string[end++] = c;
1931         }
1932         string[end] = 0;
1933         // remove \n following \r
1934         if (c == '\r')
1935         {
1936                 c = FS_Getc(prog->openfiles[filenum]);
1937                 if (c != '\n')
1938                         FS_UnGetc(prog->openfiles[filenum], (unsigned char)c);
1939         }
1940         if (developer.integer >= 100)
1941                 Con_Printf("fgets: %s: %s\n", PRVM_NAME, string);
1942         if (c >= 0 || end)
1943                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
1944 }
1945
1946 /*
1947 =========
1948 VM_fputs
1949
1950 fputs(float fhandle, string s)
1951 =========
1952 */
1953 //void(float fhandle, string s) fputs = #113; // writes a line of text to the end of the file
1954 void VM_fputs(void)
1955 {
1956         int stringlength;
1957         char string[VM_STRINGTEMP_LENGTH];
1958         int filenum;
1959
1960         VM_SAFEPARMCOUNT(2,VM_fputs);
1961
1962         filenum = (int)PRVM_G_FLOAT(OFS_PARM0);
1963         if (filenum < 0 || filenum >= PRVM_MAX_OPENFILES)
1964         {
1965                 VM_Warning("VM_fputs: invalid file handle %i used in %s\n", filenum, PRVM_NAME);
1966                 return;
1967         }
1968         if (prog->openfiles[filenum] == NULL)
1969         {
1970                 VM_Warning("VM_fputs: no such file handle %i (or file has been closed) in %s\n", filenum, PRVM_NAME);
1971                 return;
1972         }
1973         VM_VarString(1, string, sizeof(string));
1974         if ((stringlength = (int)strlen(string)))
1975                 FS_Write(prog->openfiles[filenum], string, stringlength);
1976         if (developer.integer >= 100)
1977                 Con_Printf("fputs: %s: %s\n", PRVM_NAME, string);
1978 }
1979
1980 /*
1981 =========
1982 VM_writetofile
1983
1984         writetofile(float fhandle, entity ent)
1985 =========
1986 */
1987 void VM_writetofile(void)
1988 {
1989         prvm_edict_t * ent;
1990         qfile_t *file;
1991
1992         VM_SAFEPARMCOUNT(2, VM_writetofile);
1993
1994         file = VM_GetFileHandle( (int)PRVM_G_FLOAT(OFS_PARM0) );
1995         if( !file )
1996         {
1997                 VM_Warning("VM_writetofile: invalid or closed file handle\n");
1998                 return;
1999         }
2000
2001         ent = PRVM_G_EDICT(OFS_PARM1);
2002         if(ent->priv.required->free)
2003         {
2004                 VM_Warning("VM_writetofile: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2005                 return;
2006         }
2007
2008         PRVM_ED_Write (file, ent);
2009 }
2010
2011 // KrimZon - DP_QC_ENTITYDATA
2012 /*
2013 =========
2014 VM_numentityfields
2015
2016 float() numentityfields
2017 Return the number of entity fields - NOT offsets
2018 =========
2019 */
2020 void VM_numentityfields(void)
2021 {
2022         PRVM_G_FLOAT(OFS_RETURN) = prog->progs->numfielddefs;
2023 }
2024
2025 // KrimZon - DP_QC_ENTITYDATA
2026 /*
2027 =========
2028 VM_entityfieldname
2029
2030 string(float fieldnum) entityfieldname
2031 Return name of the specified field as a string, or empty if the field is invalid (warning)
2032 =========
2033 */
2034 void VM_entityfieldname(void)
2035 {
2036         ddef_t *d;
2037         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2038         
2039         if (i < 0 || i >= prog->progs->numfielddefs)
2040         {
2041         VM_Warning("VM_entityfieldname: %s: field index out of bounds\n", PRVM_NAME);
2042         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2043                 return;
2044         }
2045         
2046         d = &prog->fielddefs[i];
2047         PRVM_G_INT(OFS_RETURN) = d->s_name; // presuming that s_name points to a string already
2048 }
2049
2050 // KrimZon - DP_QC_ENTITYDATA
2051 /*
2052 =========
2053 VM_entityfieldtype
2054
2055 float(float fieldnum) entityfieldtype
2056 =========
2057 */
2058 void VM_entityfieldtype(void)
2059 {
2060         ddef_t *d;
2061         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2062         
2063         if (i < 0 || i >= prog->progs->numfielddefs)
2064         {
2065                 VM_Warning("VM_entityfieldtype: %s: field index out of bounds\n", PRVM_NAME);
2066                 PRVM_G_FLOAT(OFS_RETURN) = -1.0;
2067                 return;
2068         }
2069         
2070         d = &prog->fielddefs[i];
2071         PRVM_G_FLOAT(OFS_RETURN) = (float)d->type;
2072 }
2073
2074 // KrimZon - DP_QC_ENTITYDATA
2075 /*
2076 =========
2077 VM_getentityfieldstring
2078
2079 string(float fieldnum, entity ent) getentityfieldstring
2080 =========
2081 */
2082 void VM_getentityfieldstring(void)
2083 {
2084         // put the data into a string
2085         ddef_t *d;
2086         int type, j;
2087         int *v;
2088         prvm_edict_t * ent;
2089         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2090         
2091         if (i < 0 || i >= prog->progs->numfielddefs)
2092         {
2093         VM_Warning("VM_entityfielddata: %s: field index out of bounds\n", PRVM_NAME);
2094                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2095                 return;
2096         }
2097         
2098         d = &prog->fielddefs[i];
2099         
2100         // get the entity
2101         ent = PRVM_G_EDICT(OFS_PARM1);
2102         if(ent->priv.required->free)
2103         {
2104                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2105                 VM_Warning("VM_entityfielddata: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2106                 return;
2107         }
2108         v = (int *)((char *)ent->fields.vp + d->ofs*4);
2109         
2110         // if it's 0 or blank, return an empty string
2111         type = d->type & ~DEF_SAVEGLOBAL;
2112         for (j=0 ; j<prvm_type_size[type] ; j++)
2113                 if (v[j])
2114                         break;
2115         if (j == prvm_type_size[type])
2116         {
2117                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2118                 return;
2119         }
2120                 
2121         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(PRVM_UglyValueString((etype_t)d->type, (prvm_eval_t *)v));
2122 }
2123
2124 // KrimZon - DP_QC_ENTITYDATA
2125 /*
2126 =========
2127 VM_putentityfieldstring
2128
2129 float(float fieldnum, entity ent, string s) putentityfieldstring
2130 =========
2131 */
2132 void VM_putentityfieldstring(void)
2133 {
2134         ddef_t *d;
2135         prvm_edict_t * ent;
2136         int i = (int)PRVM_G_FLOAT(OFS_PARM0);
2137
2138         if (i < 0 || i >= prog->progs->numfielddefs)
2139         {
2140         VM_Warning("VM_entityfielddata: %s: field index out of bounds\n", PRVM_NAME);
2141                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2142                 return;
2143         }
2144
2145         d = &prog->fielddefs[i];
2146
2147         // get the entity
2148         ent = PRVM_G_EDICT(OFS_PARM1);
2149         if(ent->priv.required->free)
2150         {
2151                 VM_Warning("VM_entityfielddata: %s: entity %i is free !\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2152                 PRVM_G_FLOAT(OFS_RETURN) = 0.0f;
2153                 return;
2154         }
2155
2156         // parse the string into the value
2157         PRVM_G_FLOAT(OFS_RETURN) = ( PRVM_ED_ParseEpair(ent, d, PRVM_G_STRING(OFS_PARM2), false) ) ? 1.0f : 0.0f;
2158 }
2159
2160 /*
2161 =========
2162 VM_strlen
2163
2164 float   strlen(string s)
2165 =========
2166 */
2167 //float(string s) strlen = #114; // returns how many characters are in a string
2168 void VM_strlen(void)
2169 {
2170         VM_SAFEPARMCOUNT(1,VM_strlen);
2171
2172         //PRVM_G_FLOAT(OFS_RETURN) = strlen(PRVM_G_STRING(OFS_PARM0));
2173         PRVM_G_FLOAT(OFS_RETURN) = u8_strlen(PRVM_G_STRING(OFS_PARM0));
2174 }
2175
2176 // DRESK - Decolorized String
2177 /*
2178 =========
2179 VM_strdecolorize
2180
2181 string  strdecolorize(string s)
2182 =========
2183 */
2184 // string (string s) strdecolorize = #472; // returns the passed in string with color codes stripped
2185 void VM_strdecolorize(void)
2186 {
2187         char szNewString[VM_STRINGTEMP_LENGTH];
2188         const char *szString;
2189
2190         // Prepare Strings
2191         VM_SAFEPARMCOUNT(1,VM_strdecolorize);
2192         szString = PRVM_G_STRING(OFS_PARM0);
2193         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
2194         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
2195 }
2196
2197 // DRESK - String Length (not counting color codes)
2198 /*
2199 =========
2200 VM_strlennocol
2201
2202 float   strlennocol(string s)
2203 =========
2204 */
2205 // float(string s) strlennocol = #471; // returns how many characters are in a string not including color codes
2206 // For example, ^2Dresk returns a length of 5
2207 void VM_strlennocol(void)
2208 {
2209         const char *szString;
2210         int nCnt;
2211
2212         VM_SAFEPARMCOUNT(1,VM_strlennocol);
2213
2214         szString = PRVM_G_STRING(OFS_PARM0);
2215
2216         //nCnt = COM_StringLengthNoColors(szString, 0, NULL);
2217         nCnt = u8_COM_StringLengthNoColors(szString, 0, NULL);
2218
2219         PRVM_G_FLOAT(OFS_RETURN) = nCnt;
2220 }
2221
2222 // DRESK - String to Uppercase and Lowercase
2223 /*
2224 =========
2225 VM_strtolower
2226
2227 string  strtolower(string s)
2228 =========
2229 */
2230 // string (string s) strtolower = #480; // returns passed in string in lowercase form
2231 void VM_strtolower(void)
2232 {
2233         char szNewString[VM_STRINGTEMP_LENGTH];
2234         const char *szString;
2235
2236         // Prepare Strings
2237         VM_SAFEPARMCOUNT(1,VM_strtolower);
2238         szString = PRVM_G_STRING(OFS_PARM0);
2239
2240         COM_ToLowerString(szString, szNewString, sizeof(szNewString) );
2241
2242         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
2243 }
2244
2245 /*
2246 =========
2247 VM_strtoupper
2248
2249 string  strtoupper(string s)
2250 =========
2251 */
2252 // string (string s) strtoupper = #481; // returns passed in string in uppercase form
2253 void VM_strtoupper(void)
2254 {
2255         char szNewString[VM_STRINGTEMP_LENGTH];
2256         const char *szString;
2257
2258         // Prepare Strings
2259         VM_SAFEPARMCOUNT(1,VM_strtoupper);
2260         szString = PRVM_G_STRING(OFS_PARM0);
2261
2262         COM_ToUpperString(szString, szNewString, sizeof(szNewString) );
2263
2264         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
2265 }
2266
2267 /*
2268 =========
2269 VM_strcat
2270
2271 string strcat(string,string,...[string])
2272 =========
2273 */
2274 //string(string s1, string s2) strcat = #115;
2275 // concatenates two strings (for example "abc", "def" would return "abcdef")
2276 // and returns as a tempstring
2277 void VM_strcat(void)
2278 {
2279         char s[VM_STRINGTEMP_LENGTH];
2280         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strcat);
2281
2282         VM_VarString(0, s, sizeof(s));
2283         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(s);
2284 }
2285
2286 /*
2287 =========
2288 VM_substring
2289
2290 string  substring(string s, float start, float length)
2291 =========
2292 */
2293 // string(string s, float start, float length) substring = #116;
2294 // returns a section of a string as a tempstring
2295 void VM_substring(void)
2296 {
2297         int start, length;
2298         int u_slength = 0, u_start;
2299         size_t u_length;
2300         const char *s;
2301         char string[VM_STRINGTEMP_LENGTH];
2302
2303         VM_SAFEPARMCOUNT(3,VM_substring);
2304
2305         /*
2306         s = PRVM_G_STRING(OFS_PARM0);
2307         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2308         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2309         slength = strlen(s);
2310
2311         if (start < 0) // FTE_STRINGS feature
2312                 start += slength;
2313         start = bound(0, start, slength);
2314
2315         if (length < 0) // FTE_STRINGS feature
2316                 length += slength - start + 1;
2317         maxlen = min((int)sizeof(string) - 1, slength - start);
2318         length = bound(0, length, maxlen);
2319
2320         memcpy(string, s + start, length);
2321         string[length] = 0;
2322         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2323         */
2324         
2325         s = PRVM_G_STRING(OFS_PARM0);
2326         start = (int)PRVM_G_FLOAT(OFS_PARM1);
2327         length = (int)PRVM_G_FLOAT(OFS_PARM2);
2328
2329         if (start < 0) // FTE_STRINGS feature
2330         {
2331                 u_slength = u8_strlen(s);
2332                 start += u_slength;
2333                 start = bound(0, start, u_slength);
2334         }
2335
2336         if (length < 0) // FTE_STRINGS feature
2337         {
2338                 if (!u_slength) // it's not calculated when it's not needed above
2339                         u_slength = u8_strlen(s);
2340                 length += u_slength - start + 1;
2341         }
2342                 
2343         // positive start, positive length
2344         u_start = u8_byteofs(s, start, NULL);
2345         if (u_start < 0)
2346         {
2347                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
2348                 return;
2349         }
2350         u_length = u8_bytelen(s + u_start, length);
2351         if (u_length >= sizeof(string)-1)
2352                 u_length = sizeof(string)-1;
2353         
2354         memcpy(string, s + u_start, u_length);
2355         string[u_length] = 0;
2356         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2357 }
2358
2359 /*
2360 =========
2361 VM_strreplace
2362
2363 string(string search, string replace, string subject) strreplace = #484;
2364 =========
2365 */
2366 // replaces all occurrences of search with replace in the string subject, and returns the result
2367 void VM_strreplace(void)
2368 {
2369         int i, j, si;
2370         const char *search, *replace, *subject;
2371         char string[VM_STRINGTEMP_LENGTH];
2372         int search_len, replace_len, subject_len;
2373
2374         VM_SAFEPARMCOUNT(3,VM_strreplace);
2375
2376         search = PRVM_G_STRING(OFS_PARM0);
2377         replace = PRVM_G_STRING(OFS_PARM1);
2378         subject = PRVM_G_STRING(OFS_PARM2);
2379
2380         search_len = (int)strlen(search);
2381         replace_len = (int)strlen(replace);
2382         subject_len = (int)strlen(subject);
2383
2384         si = 0;
2385         for (i = 0; i < subject_len; i++)
2386         {
2387                 for (j = 0; j < search_len && i+j < subject_len; j++)
2388                         if (subject[i+j] != search[j])
2389                                 break;
2390                 if (j == search_len || i+j == subject_len)
2391                 {
2392                 // found it at offset 'i'
2393                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2394                                 string[si++] = replace[j];
2395                         i += search_len - 1;
2396                 }
2397                 else
2398                 {
2399                 // not found
2400                         if (si < (int)sizeof(string) - 1)
2401                                 string[si++] = subject[i];
2402                 }
2403         }
2404         string[si] = '\0';
2405
2406         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2407 }
2408
2409 /*
2410 =========
2411 VM_strireplace
2412
2413 string(string search, string replace, string subject) strireplace = #485;
2414 =========
2415 */
2416 // case-insensitive version of strreplace
2417 void VM_strireplace(void)
2418 {
2419         int i, j, si;
2420         const char *search, *replace, *subject;
2421         char string[VM_STRINGTEMP_LENGTH];
2422         int search_len, replace_len, subject_len;
2423
2424         VM_SAFEPARMCOUNT(3,VM_strreplace);
2425
2426         search = PRVM_G_STRING(OFS_PARM0);
2427         replace = PRVM_G_STRING(OFS_PARM1);
2428         subject = PRVM_G_STRING(OFS_PARM2);
2429
2430         search_len = (int)strlen(search);
2431         replace_len = (int)strlen(replace);
2432         subject_len = (int)strlen(subject);
2433
2434         si = 0;
2435         for (i = 0; i < subject_len; i++)
2436         {
2437                 for (j = 0; j < search_len && i+j < subject_len; j++)
2438                         if (tolower(subject[i+j]) != tolower(search[j]))
2439                                 break;
2440                 if (j == search_len || i+j == subject_len)
2441                 {
2442                 // found it at offset 'i'
2443                         for (j = 0; j < replace_len && si < (int)sizeof(string) - 1; j++)
2444                                 string[si++] = replace[j];
2445                         i += search_len - 1;
2446                 }
2447                 else
2448                 {
2449                 // not found
2450                         if (si < (int)sizeof(string) - 1)
2451                                 string[si++] = subject[i];
2452                 }
2453         }
2454         string[si] = '\0';
2455
2456         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
2457 }
2458
2459 /*
2460 =========
2461 VM_stov
2462
2463 vector  stov(string s)
2464 =========
2465 */
2466 //vector(string s) stov = #117; // returns vector value from a string
2467 void VM_stov(void)
2468 {
2469         char string[VM_STRINGTEMP_LENGTH];
2470
2471         VM_SAFEPARMCOUNT(1,VM_stov);
2472
2473         VM_VarString(0, string, sizeof(string));
2474         Math_atov(string, PRVM_G_VECTOR(OFS_RETURN));
2475 }
2476
2477 /*
2478 =========
2479 VM_strzone
2480
2481 string  strzone(string s)
2482 =========
2483 */
2484 //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)
2485 void VM_strzone(void)
2486 {
2487         char *out;
2488         char string[VM_STRINGTEMP_LENGTH];
2489         size_t alloclen;
2490
2491         VM_SAFEPARMCOUNT(1,VM_strzone);
2492
2493         VM_VarString(0, string, sizeof(string));
2494         alloclen = strlen(string) + 1;
2495         PRVM_G_INT(OFS_RETURN) = PRVM_AllocString(alloclen, &out);
2496         memcpy(out, string, alloclen);
2497 }
2498
2499 /*
2500 =========
2501 VM_strunzone
2502
2503 strunzone(string s)
2504 =========
2505 */
2506 //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!!!)
2507 void VM_strunzone(void)
2508 {
2509         VM_SAFEPARMCOUNT(1,VM_strunzone);
2510         PRVM_FreeString(PRVM_G_INT(OFS_PARM0));
2511 }
2512
2513 /*
2514 =========
2515 VM_command (used by client and menu)
2516
2517 clientcommand(float client, string s) (for client and menu)
2518 =========
2519 */
2520 //void(entity e, string s) clientcommand = #440; // executes a command string as if it came from the specified client
2521 //this function originally written by KrimZon, made shorter by LordHavoc
2522 void VM_clcommand (void)
2523 {
2524         client_t *temp_client;
2525         int i;
2526
2527         VM_SAFEPARMCOUNT(2,VM_clcommand);
2528
2529         i = (int)PRVM_G_FLOAT(OFS_PARM0);
2530         if (!sv.active  || i < 0 || i >= svs.maxclients || !svs.clients[i].active)
2531         {
2532                 VM_Warning("VM_clientcommand: %s: invalid client/server is not active !\n", PRVM_NAME);
2533                 return;
2534         }
2535
2536         temp_client = host_client;
2537         host_client = svs.clients + i;
2538         Cmd_ExecuteString (PRVM_G_STRING(OFS_PARM1), src_client);
2539         host_client = temp_client;
2540 }
2541
2542
2543 /*
2544 =========
2545 VM_tokenize
2546
2547 float tokenize(string s)
2548 =========
2549 */
2550 //float(string s) tokenize = #441; // takes apart a string into individal words (access them with argv), returns how many
2551 //this function originally written by KrimZon, made shorter by LordHavoc
2552 //20040203: rewritten by LordHavoc (no longer uses allocations)
2553 static int num_tokens = 0;
2554 static int tokens[VM_STRINGTEMP_LENGTH / 2];
2555 static int tokens_startpos[VM_STRINGTEMP_LENGTH / 2];
2556 static int tokens_endpos[VM_STRINGTEMP_LENGTH / 2];
2557 static char tokenize_string[VM_STRINGTEMP_LENGTH];
2558 void VM_tokenize (void)
2559 {
2560         const char *p;
2561
2562         VM_SAFEPARMCOUNT(1,VM_tokenize);
2563
2564         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2565         p = tokenize_string;
2566
2567         num_tokens = 0;
2568         for(;;)
2569         {
2570                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2571                         break;
2572
2573                 // skip whitespace here to find token start pos
2574                 while(*p && ISWHITESPACE(*p))
2575                         ++p;
2576
2577                 tokens_startpos[num_tokens] = p - tokenize_string;
2578                 if(!COM_ParseToken_VM_Tokenize(&p, false))
2579                         break;
2580                 tokens_endpos[num_tokens] = p - tokenize_string;
2581                 tokens[num_tokens] = PRVM_SetTempString(com_token);
2582                 ++num_tokens;
2583         }
2584
2585         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2586 }
2587
2588 //float(string s) tokenize = #514; // takes apart a string into individal words (access them with argv), returns how many
2589 void VM_tokenize_console (void)
2590 {
2591         const char *p;
2592
2593         VM_SAFEPARMCOUNT(1,VM_tokenize);
2594
2595         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2596         p = tokenize_string;
2597
2598         num_tokens = 0;
2599         for(;;)
2600         {
2601                 if (num_tokens >= (int)(sizeof(tokens)/sizeof(tokens[0])))
2602                         break;
2603
2604                 // skip whitespace here to find token start pos
2605                 while(*p && ISWHITESPACE(*p))
2606                         ++p;
2607
2608                 tokens_startpos[num_tokens] = p - tokenize_string;
2609                 if(!COM_ParseToken_Console(&p))
2610                         break;
2611                 tokens_endpos[num_tokens] = p - tokenize_string;
2612                 tokens[num_tokens] = PRVM_SetTempString(com_token);
2613                 ++num_tokens;
2614         }
2615
2616         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2617 }
2618
2619 /*
2620 =========
2621 VM_tokenizebyseparator
2622
2623 float tokenizebyseparator(string s, string separator1, ...)
2624 =========
2625 */
2626 //float(string s, string separator1, ...) tokenizebyseparator = #479; // takes apart a string into individal words (access them with argv), returns how many
2627 //this function returns the token preceding each instance of a separator (of
2628 //which there can be multiple), and the text following the last separator
2629 //useful for parsing certain kinds of data like IP addresses
2630 //example:
2631 //numnumbers = tokenizebyseparator("10.1.2.3", ".");
2632 //returns 4 and the tokens "10" "1" "2" "3".
2633 void VM_tokenizebyseparator (void)
2634 {
2635         int j, k;
2636         int numseparators;
2637         int separatorlen[7];
2638         const char *separators[7];
2639         const char *p, *p0;
2640         const char *token;
2641         char tokentext[MAX_INPUTLINE];
2642
2643         VM_SAFEPARMCOUNTRANGE(2, 8,VM_tokenizebyseparator);
2644
2645         strlcpy(tokenize_string, PRVM_G_STRING(OFS_PARM0), sizeof(tokenize_string));
2646         p = tokenize_string;
2647
2648         numseparators = 0;
2649         for (j = 1;j < prog->argc;j++)
2650         {
2651                 // skip any blank separator strings
2652                 const char *s = PRVM_G_STRING(OFS_PARM0+j*3);
2653                 if (!s[0])
2654                         continue;
2655                 separators[numseparators] = s;
2656                 separatorlen[numseparators] = strlen(s);
2657                 numseparators++;
2658         }
2659
2660         num_tokens = 0;
2661         j = 0;
2662
2663         while (num_tokens < (int)(sizeof(tokens)/sizeof(tokens[0])))
2664         {
2665                 token = tokentext + j;
2666                 tokens_startpos[num_tokens] = p - tokenize_string;
2667                 p0 = p;
2668                 while (*p)
2669                 {
2670                         for (k = 0;k < numseparators;k++)
2671                         {
2672                                 if (!strncmp(p, separators[k], separatorlen[k]))
2673                                 {
2674                                         p += separatorlen[k];
2675                                         break;
2676                                 }
2677                         }
2678                         if (k < numseparators)
2679                                 break;
2680                         if (j < (int)sizeof(tokentext)-1)
2681                                 tokentext[j++] = *p;
2682                         p++;
2683                         p0 = p;
2684                 }
2685                 tokens_endpos[num_tokens] = p0 - tokenize_string;
2686                 if (j >= (int)sizeof(tokentext))
2687                         break;
2688                 tokentext[j++] = 0;
2689                 tokens[num_tokens++] = PRVM_SetTempString(token);
2690                 if (!*p)
2691                         break;
2692         }
2693
2694         PRVM_G_FLOAT(OFS_RETURN) = num_tokens;
2695 }
2696
2697 //string(float n) argv = #442; // returns a word from the tokenized string (returns nothing for an invalid index)
2698 //this function originally written by KrimZon, made shorter by LordHavoc
2699 void VM_argv (void)
2700 {
2701         int token_num;
2702
2703         VM_SAFEPARMCOUNT(1,VM_argv);
2704
2705         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2706
2707         if(token_num < 0)
2708                 token_num += num_tokens;
2709
2710         if (token_num >= 0 && token_num < num_tokens)
2711                 PRVM_G_INT(OFS_RETURN) = tokens[token_num];
2712         else
2713                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
2714 }
2715
2716 //float(float n) argv_start_index = #515; // returns the start index of a token
2717 void VM_argv_start_index (void)
2718 {
2719         int token_num;
2720
2721         VM_SAFEPARMCOUNT(1,VM_argv);
2722
2723         token_num = (int)PRVM_G_FLOAT(OFS_PARM0);
2724
2725         if(token_num < 0)
2726                 token_num += num_tokens;
2727
2728         if (token_num >= 0 && token_num < num_tokens)
2729                 PRVM_G_FLOAT(OFS_RETURN) = tokens_startpos[token_num];
2730         else
2731                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2732 }
2733
2734 //float(float n) argv_end_index = #516; // returns the end index of a token
2735 void VM_argv_end_index (void)
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_FLOAT(OFS_RETURN) = tokens_endpos[token_num];
2748         else
2749                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2750 }
2751
2752 /*
2753 =========
2754 VM_isserver
2755
2756 float   isserver()
2757 =========
2758 */
2759 void VM_isserver(void)
2760 {
2761         VM_SAFEPARMCOUNT(0,VM_serverstate);
2762
2763         PRVM_G_FLOAT(OFS_RETURN) = sv.active && (svs.maxclients > 1 || cls.state == ca_dedicated);
2764 }
2765
2766 /*
2767 =========
2768 VM_clientcount
2769
2770 float   clientcount()
2771 =========
2772 */
2773 void VM_clientcount(void)
2774 {
2775         VM_SAFEPARMCOUNT(0,VM_clientcount);
2776
2777         PRVM_G_FLOAT(OFS_RETURN) = svs.maxclients;
2778 }
2779
2780 /*
2781 =========
2782 VM_clientstate
2783
2784 float   clientstate()
2785 =========
2786 */
2787 void VM_clientstate(void)
2788 {
2789         VM_SAFEPARMCOUNT(0,VM_clientstate);
2790
2791
2792         switch( cls.state ) {
2793                 case ca_uninitialized:
2794                 case ca_dedicated:
2795                         PRVM_G_FLOAT(OFS_RETURN) = 0;
2796                         break;
2797                 case ca_disconnected:
2798                         PRVM_G_FLOAT(OFS_RETURN) = 1;
2799                         break;
2800                 case ca_connected:
2801                         PRVM_G_FLOAT(OFS_RETURN) = 2;
2802                         break;
2803                 default:
2804                         // should never be reached!
2805                         break;
2806         }
2807 }
2808
2809 /*
2810 =========
2811 VM_getostype
2812
2813 float   getostype(void)
2814 =========
2815 */ // not used at the moment -> not included in the common list
2816 void VM_getostype(void)
2817 {
2818         VM_SAFEPARMCOUNT(0,VM_getostype);
2819
2820         /*
2821         OS_WINDOWS
2822         OS_LINUX
2823         OS_MAC - not supported
2824         */
2825
2826 #ifdef WIN32
2827         PRVM_G_FLOAT(OFS_RETURN) = 0;
2828 #elif defined(MACOSX)
2829         PRVM_G_FLOAT(OFS_RETURN) = 2;
2830 #else
2831         PRVM_G_FLOAT(OFS_RETURN) = 1;
2832 #endif
2833 }
2834
2835 /*
2836 =========
2837 VM_gettime
2838
2839 float   gettime(void)
2840 =========
2841 */
2842 extern double host_starttime;
2843 float CDAudio_GetPosition(void);
2844 void VM_gettime(void)
2845 {
2846         int timer_index;
2847
2848         VM_SAFEPARMCOUNTRANGE(0,1,VM_gettime);
2849
2850         if(prog->argc == 0)
2851         {
2852                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2853         }
2854         else
2855         {
2856                 timer_index = (int) PRVM_G_FLOAT(OFS_PARM0);
2857         switch(timer_index)
2858         {
2859             case 0: // GETTIME_FRAMESTART
2860                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2861                 break;
2862             case 1: // GETTIME_REALTIME
2863                 PRVM_G_FLOAT(OFS_RETURN) = (float) Sys_DoubleTime();
2864                 break;
2865             case 2: // GETTIME_HIRES
2866                 PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - realtime);
2867                 break;
2868             case 3: // GETTIME_UPTIME
2869                 PRVM_G_FLOAT(OFS_RETURN) = (float) (Sys_DoubleTime() - host_starttime);
2870                 break;
2871             case 4: // GETTIME_CDTRACK
2872                 PRVM_G_FLOAT(OFS_RETURN) = (float) CDAudio_GetPosition();
2873                 break;
2874                         default:
2875                                 VM_Warning("VM_gettime: %s: unsupported timer specified, returning realtime\n", PRVM_NAME);
2876                                 PRVM_G_FLOAT(OFS_RETURN) = (float) realtime;
2877                                 break;
2878                 }
2879         }
2880 }
2881
2882 /*
2883 =========
2884 VM_loadfromdata
2885
2886 loadfromdata(string data)
2887 =========
2888 */
2889 void VM_loadfromdata(void)
2890 {
2891         VM_SAFEPARMCOUNT(1,VM_loadentsfromfile);
2892
2893         PRVM_ED_LoadFromFile(PRVM_G_STRING(OFS_PARM0));
2894 }
2895
2896 /*
2897 ========================
2898 VM_parseentitydata
2899
2900 parseentitydata(entity ent, string data)
2901 ========================
2902 */
2903 void VM_parseentitydata(void)
2904 {
2905         prvm_edict_t *ent;
2906         const char *data;
2907
2908         VM_SAFEPARMCOUNT(2, VM_parseentitydata);
2909
2910         // get edict and test it
2911         ent = PRVM_G_EDICT(OFS_PARM0);
2912         if (ent->priv.required->free)
2913                 PRVM_ERROR ("VM_parseentitydata: %s: Can only set already spawned entities (entity %i is free)!", PRVM_NAME, PRVM_NUM_FOR_EDICT(ent));
2914
2915         data = PRVM_G_STRING(OFS_PARM1);
2916
2917         // parse the opening brace
2918         if (!COM_ParseToken_Simple(&data, false, false) || com_token[0] != '{' )
2919                 PRVM_ERROR ("VM_parseentitydata: %s: Couldn't parse entity data:\n%s", PRVM_NAME, data );
2920
2921         PRVM_ED_ParseEdict (data, ent);
2922 }
2923
2924 /*
2925 =========
2926 VM_loadfromfile
2927
2928 loadfromfile(string file)
2929 =========
2930 */
2931 void VM_loadfromfile(void)
2932 {
2933         const char *filename;
2934         char *data;
2935
2936         VM_SAFEPARMCOUNT(1,VM_loadfromfile);
2937
2938         filename = PRVM_G_STRING(OFS_PARM0);
2939         if (FS_CheckNastyPath(filename, false))
2940         {
2941                 PRVM_G_FLOAT(OFS_RETURN) = -4;
2942                 VM_Warning("VM_loadfromfile: %s dangerous or non-portable filename \"%s\" not allowed. (contains : or \\ or begins with .. or /)\n", PRVM_NAME, filename);
2943                 return;
2944         }
2945
2946         // not conform with VM_fopen
2947         data = (char *)FS_LoadFile(filename, tempmempool, false, NULL);
2948         if (data == NULL)
2949                 PRVM_G_FLOAT(OFS_RETURN) = -1;
2950
2951         PRVM_ED_LoadFromFile(data);
2952
2953         if(data)
2954                 Mem_Free(data);
2955 }
2956
2957
2958 /*
2959 =========
2960 VM_modulo
2961
2962 float   mod(float val, float m)
2963 =========
2964 */
2965 void VM_modulo(void)
2966 {
2967         int val, m;
2968         VM_SAFEPARMCOUNT(2,VM_module);
2969
2970         val = (int) PRVM_G_FLOAT(OFS_PARM0);
2971         m       = (int) PRVM_G_FLOAT(OFS_PARM1);
2972
2973         PRVM_G_FLOAT(OFS_RETURN) = (float) (val % m);
2974 }
2975
2976 void VM_Search_Init(void)
2977 {
2978         int i;
2979         for (i = 0;i < PRVM_MAX_OPENSEARCHES;i++)
2980                 prog->opensearches[i] = NULL;
2981 }
2982
2983 void VM_Search_Reset(void)
2984 {
2985         int i;
2986         // reset the fssearch list
2987         for(i = 0; i < PRVM_MAX_OPENSEARCHES; i++)
2988         {
2989                 if(prog->opensearches[i])
2990                         FS_FreeSearch(prog->opensearches[i]);
2991                 prog->opensearches[i] = NULL;
2992         }
2993 }
2994
2995 /*
2996 =========
2997 VM_search_begin
2998
2999 float search_begin(string pattern, float caseinsensitive, float quiet)
3000 =========
3001 */
3002 void VM_search_begin(void)
3003 {
3004         int handle;
3005         const char *pattern;
3006         int caseinsens, quiet;
3007
3008         VM_SAFEPARMCOUNT(3, VM_search_begin);
3009
3010         pattern = PRVM_G_STRING(OFS_PARM0);
3011
3012         VM_CheckEmptyString(pattern);
3013
3014         caseinsens = (int)PRVM_G_FLOAT(OFS_PARM1);
3015         quiet = (int)PRVM_G_FLOAT(OFS_PARM2);
3016
3017         for(handle = 0; handle < PRVM_MAX_OPENSEARCHES; handle++)
3018                 if(!prog->opensearches[handle])
3019                         break;
3020
3021         if(handle >= PRVM_MAX_OPENSEARCHES)
3022         {
3023                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3024                 VM_Warning("VM_search_begin: %s ran out of search handles (%i)\n", PRVM_NAME, PRVM_MAX_OPENSEARCHES);
3025                 return;
3026         }
3027
3028         if(!(prog->opensearches[handle] = FS_Search(pattern,caseinsens, quiet)))
3029                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3030         else
3031         {
3032                 prog->opensearches_origin[handle] = PRVM_AllocationOrigin();
3033                 PRVM_G_FLOAT(OFS_RETURN) = handle;
3034         }
3035 }
3036
3037 /*
3038 =========
3039 VM_search_end
3040
3041 void    search_end(float handle)
3042 =========
3043 */
3044 void VM_search_end(void)
3045 {
3046         int handle;
3047         VM_SAFEPARMCOUNT(1, VM_search_end);
3048
3049         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3050
3051         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3052         {
3053                 VM_Warning("VM_search_end: invalid handle %i used in %s\n", handle, PRVM_NAME);
3054                 return;
3055         }
3056         if(prog->opensearches[handle] == NULL)
3057         {
3058                 VM_Warning("VM_search_end: no such handle %i in %s\n", handle, PRVM_NAME);
3059                 return;
3060         }
3061
3062         FS_FreeSearch(prog->opensearches[handle]);
3063         prog->opensearches[handle] = NULL;
3064         if(prog->opensearches_origin[handle])
3065                 PRVM_Free((char *)prog->opensearches_origin[handle]);
3066 }
3067
3068 /*
3069 =========
3070 VM_search_getsize
3071
3072 float   search_getsize(float handle)
3073 =========
3074 */
3075 void VM_search_getsize(void)
3076 {
3077         int handle;
3078         VM_SAFEPARMCOUNT(1, VM_M_search_getsize);
3079
3080         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3081
3082         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3083         {
3084                 VM_Warning("VM_search_getsize: invalid handle %i used in %s\n", handle, PRVM_NAME);
3085                 return;
3086         }
3087         if(prog->opensearches[handle] == NULL)
3088         {
3089                 VM_Warning("VM_search_getsize: no such handle %i in %s\n", handle, PRVM_NAME);
3090                 return;
3091         }
3092
3093         PRVM_G_FLOAT(OFS_RETURN) = prog->opensearches[handle]->numfilenames;
3094 }
3095
3096 /*
3097 =========
3098 VM_search_getfilename
3099
3100 string  search_getfilename(float handle, float num)
3101 =========
3102 */
3103 void VM_search_getfilename(void)
3104 {
3105         int handle, filenum;
3106         VM_SAFEPARMCOUNT(2, VM_search_getfilename);
3107
3108         handle = (int)PRVM_G_FLOAT(OFS_PARM0);
3109         filenum = (int)PRVM_G_FLOAT(OFS_PARM1);
3110
3111         if(handle < 0 || handle >= PRVM_MAX_OPENSEARCHES)
3112         {
3113                 VM_Warning("VM_search_getfilename: invalid handle %i used in %s\n", handle, PRVM_NAME);
3114                 return;
3115         }
3116         if(prog->opensearches[handle] == NULL)
3117         {
3118                 VM_Warning("VM_search_getfilename: no such handle %i in %s\n", handle, PRVM_NAME);
3119                 return;
3120         }
3121         if(filenum < 0 || filenum >= prog->opensearches[handle]->numfilenames)
3122         {
3123                 VM_Warning("VM_search_getfilename: invalid filenum %i in %s\n", filenum, PRVM_NAME);
3124                 return;
3125         }
3126
3127         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog->opensearches[handle]->filenames[filenum]);
3128 }
3129
3130 /*
3131 =========
3132 VM_chr
3133
3134 string  chr(float ascii)
3135 =========
3136 */
3137 void VM_chr(void)
3138 {
3139         /*
3140         char tmp[2];
3141         VM_SAFEPARMCOUNT(1, VM_chr);
3142
3143         tmp[0] = (unsigned char) PRVM_G_FLOAT(OFS_PARM0);
3144         tmp[1] = 0;
3145
3146         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
3147         */
3148         
3149         char tmp[8];
3150         int len;
3151         VM_SAFEPARMCOUNT(1, VM_chr);
3152
3153         len = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0), tmp, sizeof(tmp));
3154         if (len < 0)
3155                 len = 0;
3156         tmp[len] = 0;
3157         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(tmp);
3158 }
3159
3160 //=============================================================================
3161 // Draw builtins (client & menu)
3162
3163 /*
3164 =========
3165 VM_iscachedpic
3166
3167 float   iscachedpic(string pic)
3168 =========
3169 */
3170 void VM_iscachedpic(void)
3171 {
3172         VM_SAFEPARMCOUNT(1,VM_iscachedpic);
3173
3174         // drawq hasnt such a function, thus always return true
3175         PRVM_G_FLOAT(OFS_RETURN) = false;
3176 }
3177
3178 /*
3179 =========
3180 VM_precache_pic
3181
3182 string  precache_pic(string pic)
3183 =========
3184 */
3185 void VM_precache_pic(void)
3186 {
3187         const char      *s;
3188
3189         VM_SAFEPARMCOUNT(1, VM_precache_pic);
3190
3191         s = PRVM_G_STRING(OFS_PARM0);
3192         PRVM_G_INT(OFS_RETURN) = PRVM_G_INT(OFS_PARM0);
3193         VM_CheckEmptyString (s);
3194
3195         // AK Draw_CachePic is supposed to always return a valid pointer
3196         if( Draw_CachePic_Flags(s, CACHEPICFLAG_NOTPERSISTENT)->tex == r_texture_notexture )
3197                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
3198 }
3199
3200 /*
3201 =========
3202 VM_freepic
3203
3204 freepic(string s)
3205 =========
3206 */
3207 void VM_freepic(void)
3208 {
3209         const char *s;
3210
3211         VM_SAFEPARMCOUNT(1,VM_freepic);
3212
3213         s = PRVM_G_STRING(OFS_PARM0);
3214         VM_CheckEmptyString (s);
3215
3216         Draw_FreePic(s);
3217 }
3218
3219 void getdrawfontscale(float *sx, float *sy)
3220 {
3221         vec3_t v;
3222         *sx = *sy = 1;
3223         if(prog->globaloffsets.drawfontscale >= 0)
3224         {
3225                 VectorCopy(PRVM_G_VECTOR(prog->globaloffsets.drawfontscale), v);
3226                 if(VectorLength2(v) > 0)
3227                 {
3228                         *sx = v[0];
3229                         *sy = v[1];
3230                 }
3231         }
3232 }
3233
3234 dp_font_t *getdrawfont(void)
3235 {
3236         if(prog->globaloffsets.drawfont >= 0)
3237         {
3238                 int f = (int) PRVM_G_FLOAT(prog->globaloffsets.drawfont);
3239                 if(f < 0 || f >= MAX_FONTS)
3240                         return FONT_DEFAULT;
3241                 return &dp_fonts[f];
3242         }
3243         else
3244                 return FONT_DEFAULT;
3245 }
3246
3247 /*
3248 =========
3249 VM_drawcharacter
3250
3251 float   drawcharacter(vector position, float character, vector scale, vector rgb, float alpha, float flag)
3252 =========
3253 */
3254 void VM_drawcharacter(void)
3255 {
3256         float *pos,*scale,*rgb;
3257         char   character;
3258         int flag;
3259         float sx, sy;
3260         VM_SAFEPARMCOUNT(6,VM_drawcharacter);
3261
3262         character = (char) PRVM_G_FLOAT(OFS_PARM1);
3263         if(character == 0)
3264         {
3265                 PRVM_G_FLOAT(OFS_RETURN) = -1;
3266                 VM_Warning("VM_drawcharacter: %s passed null character !\n",PRVM_NAME);
3267                 return;
3268         }
3269
3270         pos = PRVM_G_VECTOR(OFS_PARM0);
3271         scale = PRVM_G_VECTOR(OFS_PARM2);
3272         rgb = PRVM_G_VECTOR(OFS_PARM3);
3273         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3274
3275         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3276         {
3277                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3278                 VM_Warning("VM_drawcharacter: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3279                 return;
3280         }
3281
3282         if(pos[2] || scale[2])
3283                 Con_Printf("VM_drawcharacter: z value%c from %s discarded\n",(pos[2] && scale[2]) ? 's' : 0,((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
3284
3285         if(!scale[0] || !scale[1])
3286         {
3287                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3288                 VM_Warning("VM_drawcharacter: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3289                 return;
3290         }
3291
3292         getdrawfontscale(&sx, &sy);
3293         DrawQ_String_Font_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());
3294         PRVM_G_FLOAT(OFS_RETURN) = 1;
3295 }
3296
3297 /*
3298 =========
3299 VM_drawstring
3300
3301 float   drawstring(vector position, string text, vector scale, vector rgb, float alpha, float flag)
3302 =========
3303 */
3304 void VM_drawstring(void)
3305 {
3306         float *pos,*scale,*rgb;
3307         const char  *string;
3308         int flag;
3309         float sx, sy;
3310         VM_SAFEPARMCOUNT(6,VM_drawstring);
3311
3312         string = PRVM_G_STRING(OFS_PARM1);
3313         pos = PRVM_G_VECTOR(OFS_PARM0);
3314         scale = PRVM_G_VECTOR(OFS_PARM2);
3315         rgb = PRVM_G_VECTOR(OFS_PARM3);
3316         flag = (int)PRVM_G_FLOAT(OFS_PARM5);
3317
3318         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3319         {
3320                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3321                 VM_Warning("VM_drawstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3322                 return;
3323         }
3324
3325         if(!scale[0] || !scale[1])
3326         {
3327                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3328                 VM_Warning("VM_drawstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3329                 return;
3330         }
3331
3332         if(pos[2] || scale[2])
3333                 Con_Printf("VM_drawstring: z value%s from %s discarded\n",(pos[2] && scale[2]) ? "s" : " ",((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
3334
3335         getdrawfontscale(&sx, &sy);
3336         DrawQ_String_Font_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());
3337         //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);
3338         PRVM_G_FLOAT(OFS_RETURN) = 1;
3339 }
3340
3341 /*
3342 =========
3343 VM_drawcolorcodedstring
3344
3345 float   drawcolorcodedstring(vector position, string text, vector scale, float alpha, float flag)
3346 =========
3347 */
3348 void VM_drawcolorcodedstring(void)
3349 {
3350         float *pos,*scale;
3351         const char  *string;
3352         int flag,color;
3353         float sx, sy;
3354         VM_SAFEPARMCOUNT(5,VM_drawstring);
3355
3356         string = PRVM_G_STRING(OFS_PARM1);
3357         pos = PRVM_G_VECTOR(OFS_PARM0);
3358         scale = PRVM_G_VECTOR(OFS_PARM2);
3359         flag = (int)PRVM_G_FLOAT(OFS_PARM4);
3360
3361         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3362         {
3363                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3364                 VM_Warning("VM_drawcolorcodedstring: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3365                 return;
3366         }
3367
3368         if(!scale[0] || !scale[1])
3369         {
3370                 PRVM_G_FLOAT(OFS_RETURN) = -3;
3371                 VM_Warning("VM_drawcolorcodedstring: scale %s is null !\n", (scale[0] == 0) ? ((scale[1] == 0) ? "x and y" : "x") : "y");
3372                 return;
3373         }
3374
3375         if(pos[2] || scale[2])
3376                 Con_Printf("VM_drawcolorcodedstring: z value%s from %s discarded\n",(pos[2] && scale[2]) ? "s" : " ",((pos[2] && scale[2]) ? "pos and scale" : (pos[2] ? "pos" : "scale")));
3377
3378         color = -1;
3379         getdrawfontscale(&sx, &sy);
3380         DrawQ_String_Font_Scale(pos[0], pos[1], string, 0, scale[0], scale[1], sx, sy, 1, 1, 1, PRVM_G_FLOAT(OFS_PARM3), flag, NULL, false, getdrawfont());
3381         PRVM_G_FLOAT(OFS_RETURN) = 1;
3382 }
3383 /*
3384 =========
3385 VM_stringwidth
3386
3387 float   stringwidth(string text, float allowColorCodes, float size)
3388 =========
3389 */
3390 void VM_stringwidth(void)
3391 {
3392         const char  *string;
3393         float *szv;
3394         float mult; // sz is intended font size so we can later add freetype support, mult is font size multiplier in pixels per character cell
3395         int colors;
3396         float sx, sy;
3397         size_t maxlen = 0;
3398         VM_SAFEPARMCOUNTRANGE(2,3,VM_drawstring);
3399
3400         if(prog->argc == 3)
3401         {
3402                 szv = PRVM_G_VECTOR(OFS_PARM2);
3403                 mult = 1;
3404         }
3405         else
3406         {
3407                 static float defsize[] = {0, 0};
3408                 szv = defsize;
3409                 mult = 1;
3410         }
3411         getdrawfontscale(&sx, &sy);
3412
3413         string = PRVM_G_STRING(OFS_PARM0);
3414         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3415
3416         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_Font_UntilWidth_TrackColors_Size_Scale(string, szv[0], szv[1], sx, sy, &maxlen, NULL, !colors, getdrawfont(), 1000000000) * mult; // 1x1 characters, don't actually draw
3417 /*
3418         if(prog->argc == 3)
3419         {
3420                 mult = sz = PRVM_G_FLOAT(OFS_PARM2);
3421         }
3422         else
3423         {
3424                 sz = 8;
3425                 mult = 1;
3426         }
3427
3428         string = PRVM_G_STRING(OFS_PARM0);
3429         colors = (int)PRVM_G_FLOAT(OFS_PARM1);
3430
3431         PRVM_G_FLOAT(OFS_RETURN) = DrawQ_TextWidth_Font(string, 0, !colors, getdrawfont()) * mult; // 1x1 characters, don't actually draw
3432 */
3433
3434 }
3435 /*
3436 =========
3437 VM_drawpic
3438
3439 float   drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
3440 =========
3441 */
3442 void VM_drawpic(void)
3443 {
3444         const char *picname;
3445         float *size, *pos, *rgb;
3446         int flag;
3447
3448         VM_SAFEPARMCOUNT(6,VM_drawpic);
3449
3450         picname = PRVM_G_STRING(OFS_PARM1);
3451         VM_CheckEmptyString (picname);
3452
3453         // is pic cached ? no function yet for that
3454         if(!1)
3455         {
3456                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3457                 VM_Warning("VM_drawpic: %s: %s not cached !\n", PRVM_NAME, picname);
3458                 return;
3459         }
3460
3461         pos = PRVM_G_VECTOR(OFS_PARM0);
3462         size = PRVM_G_VECTOR(OFS_PARM2);
3463         rgb = PRVM_G_VECTOR(OFS_PARM3);
3464         flag = (int) PRVM_G_FLOAT(OFS_PARM5);
3465
3466         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3467         {
3468                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3469                 VM_Warning("VM_drawpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3470                 return;
3471         }
3472
3473         if(pos[2] || size[2])
3474                 Con_Printf("VM_drawpic: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
3475
3476         DrawQ_Pic(pos[0], pos[1], Draw_CachePic (picname), size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
3477         PRVM_G_FLOAT(OFS_RETURN) = 1;
3478 }
3479 /*
3480 =========
3481 VM_drawrotpic
3482
3483 float   drawrotpic(vector position, string pic, vector size, vector org, float angle, vector rgb, float alpha, float flag)
3484 =========
3485 */
3486 void VM_drawrotpic(void)
3487 {
3488         const char *picname;
3489         float *size, *pos, *org, *rgb;
3490         int flag;
3491
3492         VM_SAFEPARMCOUNT(8,VM_drawrotpic);
3493
3494         picname = PRVM_G_STRING(OFS_PARM1);
3495         VM_CheckEmptyString (picname);
3496
3497         // is pic cached ? no function yet for that
3498         if(!1)
3499         {
3500                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3501                 VM_Warning("VM_drawrotpic: %s: %s not cached !\n", PRVM_NAME, picname);
3502                 return;
3503         }
3504
3505         pos = PRVM_G_VECTOR(OFS_PARM0);
3506         size = PRVM_G_VECTOR(OFS_PARM2);
3507         org = PRVM_G_VECTOR(OFS_PARM3);
3508         rgb = PRVM_G_VECTOR(OFS_PARM5);
3509         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3510
3511         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3512         {
3513                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3514                 VM_Warning("VM_drawrotpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3515                 return;
3516         }
3517
3518         if(pos[2] || size[2] || org[2])
3519                 Con_Printf("VM_drawrotpic: z value from pos/size/org discarded\n");
3520
3521         DrawQ_RotPic(pos[0], pos[1], Draw_CachePic(picname), 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);
3522         PRVM_G_FLOAT(OFS_RETURN) = 1;
3523 }
3524 /*
3525 =========
3526 VM_drawsubpic
3527
3528 float   drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
3529
3530 =========
3531 */
3532 void VM_drawsubpic(void)
3533 {
3534         const char *picname;
3535         float *size, *pos, *rgb, *srcPos, *srcSize, alpha;
3536         int flag;
3537
3538         VM_SAFEPARMCOUNT(8,VM_drawsubpic);
3539
3540         picname = PRVM_G_STRING(OFS_PARM2);
3541         VM_CheckEmptyString (picname);
3542
3543         // is pic cached ? no function yet for that
3544         if(!1)
3545         {
3546                 PRVM_G_FLOAT(OFS_RETURN) = -4;
3547                 VM_Warning("VM_drawsubpic: %s: %s not cached !\n", PRVM_NAME, picname);
3548                 return;
3549         }
3550
3551         pos = PRVM_G_VECTOR(OFS_PARM0);
3552         size = PRVM_G_VECTOR(OFS_PARM1);
3553         srcPos = PRVM_G_VECTOR(OFS_PARM3);
3554         srcSize = PRVM_G_VECTOR(OFS_PARM4);
3555         rgb = PRVM_G_VECTOR(OFS_PARM5);
3556         alpha = PRVM_G_FLOAT(OFS_PARM6);
3557         flag = (int) PRVM_G_FLOAT(OFS_PARM7);
3558
3559         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3560         {
3561                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3562                 VM_Warning("VM_drawsubpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3563                 return;
3564         }
3565
3566         if(pos[2] || size[2])
3567                 Con_Printf("VM_drawsubpic: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
3568
3569         DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic (picname),
3570                 size[0], size[1],
3571                 srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3572                 srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
3573                 srcPos[0],              srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3574                 srcPos[0] + srcSize[0], srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
3575                 flag);
3576         PRVM_G_FLOAT(OFS_RETURN) = 1;
3577 }
3578
3579 /*
3580 =========
3581 VM_drawfill
3582
3583 float drawfill(vector position, vector size, vector rgb, float alpha, float flag)
3584 =========
3585 */
3586 void VM_drawfill(void)
3587 {
3588         float *size, *pos, *rgb;
3589         int flag;
3590
3591         VM_SAFEPARMCOUNT(5,VM_drawfill);
3592
3593
3594         pos = PRVM_G_VECTOR(OFS_PARM0);
3595         size = PRVM_G_VECTOR(OFS_PARM1);
3596         rgb = PRVM_G_VECTOR(OFS_PARM2);
3597         flag = (int) PRVM_G_FLOAT(OFS_PARM4);
3598
3599         if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
3600         {
3601                 PRVM_G_FLOAT(OFS_RETURN) = -2;
3602                 VM_Warning("VM_drawfill: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
3603                 return;
3604         }
3605
3606         if(pos[2] || size[2])
3607                 Con_Printf("VM_drawfill: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
3608
3609         DrawQ_Fill(pos[0], pos[1], size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM3), flag);
3610         PRVM_G_FLOAT(OFS_RETURN) = 1;
3611 }
3612
3613 /*
3614 =========
3615 VM_drawsetcliparea
3616
3617 drawsetcliparea(float x, float y, float width, float height)
3618 =========
3619 */
3620 void VM_drawsetcliparea(void)
3621 {
3622         float x,y,w,h;
3623         VM_SAFEPARMCOUNT(4,VM_drawsetcliparea);
3624
3625         x = bound(0, PRVM_G_FLOAT(OFS_PARM0), vid_conwidth.integer);
3626         y = bound(0, PRVM_G_FLOAT(OFS_PARM1), vid_conheight.integer);
3627         w = bound(0, PRVM_G_FLOAT(OFS_PARM2) + PRVM_G_FLOAT(OFS_PARM0) - x, (vid_conwidth.integer  - x));
3628         h = bound(0, PRVM_G_FLOAT(OFS_PARM3) + PRVM_G_FLOAT(OFS_PARM1) - y, (vid_conheight.integer - y));
3629
3630         DrawQ_SetClipArea(x, y, w, h);
3631 }
3632
3633 /*
3634 =========
3635 VM_drawresetcliparea
3636
3637 drawresetcliparea()
3638 =========
3639 */
3640 void VM_drawresetcliparea(void)
3641 {
3642         VM_SAFEPARMCOUNT(0,VM_drawresetcliparea);
3643
3644         DrawQ_ResetClipArea();
3645 }
3646
3647 /*
3648 =========
3649 VM_getimagesize
3650
3651 vector  getimagesize(string pic)
3652 =========
3653 */
3654 void VM_getimagesize(void)
3655 {
3656         const char *p;
3657         cachepic_t *pic;
3658
3659         VM_SAFEPARMCOUNT(1,VM_getimagesize);
3660
3661         p = PRVM_G_STRING(OFS_PARM0);
3662         VM_CheckEmptyString (p);
3663
3664         pic = Draw_CachePic_Flags (p, CACHEPICFLAG_NOTPERSISTENT);
3665
3666         PRVM_G_VECTOR(OFS_RETURN)[0] = pic->width;
3667         PRVM_G_VECTOR(OFS_RETURN)[1] = pic->height;
3668         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
3669 }
3670
3671 /*
3672 =========
3673 VM_keynumtostring
3674
3675 string keynumtostring(float keynum)
3676 =========
3677 */
3678 void VM_keynumtostring (void)
3679 {
3680         VM_SAFEPARMCOUNT(1, VM_keynumtostring);
3681
3682         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_KeynumToString((int)PRVM_G_FLOAT(OFS_PARM0)));
3683 }
3684
3685 /*
3686 =========
3687 VM_findkeysforcommand
3688
3689 string  findkeysforcommand(string command)
3690
3691 the returned string is an altstring
3692 =========
3693 */
3694 #define NUMKEYS 5 // TODO: merge the constant in keys.c with this one somewhen
3695
3696 void M_FindKeysForCommand(const char *command, int *keys);
3697 void VM_findkeysforcommand(void)
3698 {
3699         const char *cmd;
3700         char ret[VM_STRINGTEMP_LENGTH];
3701         int keys[NUMKEYS];
3702         int i;
3703
3704         VM_SAFEPARMCOUNT(1, VM_findkeysforcommand);
3705
3706         cmd = PRVM_G_STRING(OFS_PARM0);
3707
3708         VM_CheckEmptyString(cmd);
3709
3710         M_FindKeysForCommand(cmd, keys);
3711
3712         ret[0] = 0;
3713         for(i = 0; i < NUMKEYS; i++)
3714                 strlcat(ret, va(" \'%i\'", keys[i]), sizeof(ret));
3715
3716         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(ret);
3717 }
3718
3719 /*
3720 =========
3721 VM_stringtokeynum
3722
3723 float stringtokeynum(string key)
3724 =========
3725 */
3726 void VM_stringtokeynum (void)
3727 {
3728         VM_SAFEPARMCOUNT( 1, VM_keynumtostring );
3729
3730         PRVM_G_INT(OFS_RETURN) = Key_StringToKeynum(PRVM_G_STRING(OFS_PARM0));
3731 }
3732
3733 // CL_Video interface functions
3734
3735 /*
3736 ========================
3737 VM_cin_open
3738
3739 float cin_open(string file, string name)
3740 ========================
3741 */
3742 void VM_cin_open( void )
3743 {
3744         const char *file;
3745         const char *name;
3746
3747         VM_SAFEPARMCOUNT( 2, VM_cin_open );
3748
3749         file = PRVM_G_STRING( OFS_PARM0 );
3750         name = PRVM_G_STRING( OFS_PARM1 );
3751
3752         VM_CheckEmptyString( file );
3753     VM_CheckEmptyString( name );
3754
3755         if( CL_OpenVideo( file, name, MENUOWNER ) )
3756                 PRVM_G_FLOAT( OFS_RETURN ) = 1;
3757         else
3758                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
3759 }
3760
3761 /*
3762 ========================
3763 VM_cin_close
3764
3765 void cin_close(string name)
3766 ========================
3767 */
3768 void VM_cin_close( void )
3769 {
3770         const char *name;
3771
3772         VM_SAFEPARMCOUNT( 1, VM_cin_close );
3773
3774         name = PRVM_G_STRING( OFS_PARM0 );
3775         VM_CheckEmptyString( name );
3776
3777         CL_CloseVideo( CL_GetVideoByName( name ) );
3778 }
3779
3780 /*
3781 ========================
3782 VM_cin_setstate
3783 void cin_setstate(string name, float type)
3784 ========================
3785 */
3786 void VM_cin_setstate( void )
3787 {
3788         const char *name;
3789         clvideostate_t  state;
3790         clvideo_t               *video;
3791
3792         VM_SAFEPARMCOUNT( 2, VM_cin_netstate );
3793
3794         name = PRVM_G_STRING( OFS_PARM0 );
3795         VM_CheckEmptyString( name );
3796
3797         state = (clvideostate_t)((int)PRVM_G_FLOAT( OFS_PARM1 ));
3798
3799         video = CL_GetVideoByName( name );
3800         if( video && state > CLVIDEO_UNUSED && state < CLVIDEO_STATECOUNT )
3801                 CL_SetVideoState( video, state );
3802 }
3803
3804 /*
3805 ========================
3806 VM_cin_getstate
3807
3808 float cin_getstate(string name)
3809 ========================
3810 */
3811 void VM_cin_getstate( void )
3812 {
3813         const char *name;
3814         clvideo_t               *video;
3815
3816         VM_SAFEPARMCOUNT( 1, VM_cin_getstate );
3817
3818         name = PRVM_G_STRING( OFS_PARM0 );
3819         VM_CheckEmptyString( name );
3820
3821         video = CL_GetVideoByName( name );
3822         if( video )
3823                 PRVM_G_FLOAT( OFS_RETURN ) = (int)video->state;
3824         else
3825                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
3826 }
3827
3828 /*
3829 ========================
3830 VM_cin_restart
3831
3832 void cin_restart(string name)
3833 ========================
3834 */
3835 void VM_cin_restart( void )
3836 {
3837         const char *name;
3838         clvideo_t               *video;
3839
3840         VM_SAFEPARMCOUNT( 1, VM_cin_restart );
3841
3842         name = PRVM_G_STRING( OFS_PARM0 );
3843         VM_CheckEmptyString( name );
3844
3845         video = CL_GetVideoByName( name );
3846         if( video )
3847                 CL_RestartVideo( video );
3848 }
3849
3850 /*
3851 ========================
3852 VM_Gecko_Init
3853 ========================
3854 */
3855 void VM_Gecko_Init( void ) {
3856         // the prog struct is memset to 0 by Initprog? [12/6/2007 Black]
3857         // FIXME: remove the other _Init functions then, too? [12/6/2007 Black]
3858 }
3859
3860 /*
3861 ========================
3862 VM_Gecko_Destroy
3863 ========================
3864 */
3865 void VM_Gecko_Destroy( void ) {
3866         int i;
3867         for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
3868                 clgecko_t **instance = &prog->opengeckoinstances[ i ];
3869                 if( *instance ) {
3870                         CL_Gecko_DestroyBrowser( *instance );
3871                 }
3872                 *instance = NULL;
3873         }
3874 }
3875
3876 /*
3877 ========================
3878 VM_gecko_create
3879
3880 float[bool] gecko_create( string name )
3881 ========================
3882 */
3883 void VM_gecko_create( void ) {
3884         const char *name;
3885         int i;
3886         clgecko_t *instance;
3887         
3888         VM_SAFEPARMCOUNT( 1, VM_gecko_create );
3889
3890         name = PRVM_G_STRING( OFS_PARM0 );
3891         VM_CheckEmptyString( name );
3892
3893         // find an empty slot for this gecko browser..
3894         for( i = 0 ; i < PRVM_MAX_GECKOINSTANCES ; i++ ) {
3895                 if( prog->opengeckoinstances[ i ] == NULL ) {
3896                         break;
3897                 }
3898         }
3899         if( i == PRVM_MAX_GECKOINSTANCES ) {
3900                         VM_Warning("VM_gecko_create: %s ran out of gecko handles (%i)\n", PRVM_NAME, PRVM_MAX_GECKOINSTANCES);
3901                         PRVM_G_FLOAT( OFS_RETURN ) = 0;
3902                         return;
3903         }
3904
3905         instance = prog->opengeckoinstances[ i ] = CL_Gecko_CreateBrowser( name, PRVM_GetProgNr() );
3906    if( !instance ) {
3907                 // TODO: error handling [12/3/2007 Black]
3908                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
3909                 return;
3910         }
3911         PRVM_G_FLOAT( OFS_RETURN ) = 1;
3912 }
3913
3914 /*
3915 ========================
3916 VM_gecko_destroy
3917
3918 void gecko_destroy( string name )
3919 ========================
3920 */
3921 void VM_gecko_destroy( void ) {
3922         const char *name;
3923         clgecko_t *instance;
3924
3925         VM_SAFEPARMCOUNT( 1, VM_gecko_destroy );
3926
3927         name = PRVM_G_STRING( OFS_PARM0 );
3928         VM_CheckEmptyString( name );
3929         instance = CL_Gecko_FindBrowser( name );
3930         if( !instance ) {
3931                 return;
3932         }
3933         CL_Gecko_DestroyBrowser( instance );
3934 }
3935
3936 /*
3937 ========================
3938 VM_gecko_navigate
3939
3940 void gecko_navigate( string name, string URI )
3941 ========================
3942 */
3943 void VM_gecko_navigate( void ) {
3944         const char *name;
3945         const char *URI;
3946         clgecko_t *instance;
3947
3948         VM_SAFEPARMCOUNT( 2, VM_gecko_navigate );
3949
3950         name = PRVM_G_STRING( OFS_PARM0 );
3951         URI = PRVM_G_STRING( OFS_PARM1 );
3952         VM_CheckEmptyString( name );
3953         VM_CheckEmptyString( URI );
3954
3955    instance = CL_Gecko_FindBrowser( name );
3956         if( !instance ) {
3957                 return;
3958         }
3959         CL_Gecko_NavigateToURI( instance, URI );
3960 }
3961
3962 /*
3963 ========================
3964 VM_gecko_keyevent
3965
3966 float[bool] gecko_keyevent( string name, float key, float eventtype ) 
3967 ========================
3968 */
3969 void VM_gecko_keyevent( void ) {
3970         const char *name;
3971         unsigned int key;
3972         clgecko_buttoneventtype_t eventtype;
3973         clgecko_t *instance;
3974
3975         VM_SAFEPARMCOUNT( 3, VM_gecko_keyevent );
3976
3977         name = PRVM_G_STRING( OFS_PARM0 );
3978         VM_CheckEmptyString( name );
3979         key = (unsigned int) PRVM_G_FLOAT( OFS_PARM1 );
3980         switch( (unsigned int) PRVM_G_FLOAT( OFS_PARM2 ) ) {
3981         case 0:
3982                 eventtype = CLG_BET_DOWN;
3983                 break;
3984         case 1:
3985                 eventtype = CLG_BET_UP;
3986                 break;
3987         case 2:
3988                 eventtype = CLG_BET_PRESS;
3989                 break;
3990         case 3:
3991                 eventtype = CLG_BET_DOUBLECLICK;
3992                 break;
3993         default:
3994                 // TODO: console printf? [12/3/2007 Black]
3995                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
3996                 return;
3997         }
3998
3999         instance = CL_Gecko_FindBrowser( name );
4000         if( !instance ) {
4001                 PRVM_G_FLOAT( OFS_RETURN ) = 0;
4002                 return;
4003         }
4004
4005         PRVM_G_FLOAT( OFS_RETURN ) = (CL_Gecko_Event_Key( instance, (keynum_t) key, eventtype ) == true);
4006 }
4007
4008 /*
4009 ========================
4010 VM_gecko_movemouse
4011
4012 void gecko_mousemove( string name, float x, float y )
4013 ========================
4014 */
4015 void VM_gecko_movemouse( void ) {
4016         const char *name;
4017         float x, y;
4018         clgecko_t *instance;
4019
4020         VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
4021
4022         name = PRVM_G_STRING( OFS_PARM0 );
4023         VM_CheckEmptyString( name );
4024         x = PRVM_G_FLOAT( OFS_PARM1 );
4025         y = PRVM_G_FLOAT( OFS_PARM2 );
4026         
4027         instance = CL_Gecko_FindBrowser( name );
4028         if( !instance ) {
4029                 return;
4030         }
4031         CL_Gecko_Event_CursorMove( instance, x, y );
4032 }
4033
4034
4035 /*
4036 ========================
4037 VM_gecko_resize
4038
4039 void gecko_resize( string name, float w, float h )
4040 ========================
4041 */
4042 void VM_gecko_resize( void ) {
4043         const char *name;
4044         float w, h;
4045         clgecko_t *instance;
4046
4047         VM_SAFEPARMCOUNT( 3, VM_gecko_movemouse );
4048
4049         name = PRVM_G_STRING( OFS_PARM0 );
4050         VM_CheckEmptyString( name );
4051         w = PRVM_G_FLOAT( OFS_PARM1 );
4052         h = PRVM_G_FLOAT( OFS_PARM2 );
4053         
4054         instance = CL_Gecko_FindBrowser( name );
4055         if( !instance ) {
4056                 return;
4057         }
4058         CL_Gecko_Resize( instance, (int) w, (int) h );
4059 }
4060
4061
4062 /*
4063 ========================
4064 VM_gecko_get_texture_extent
4065
4066 vector gecko_get_texture_extent( string name )
4067 ========================
4068 */
4069 void VM_gecko_get_texture_extent( void ) {
4070         const char *name;
4071         clgecko_t *instance;
4072
4073         VM_SAFEPARMCOUNT( 1, VM_gecko_movemouse );
4074
4075         name = PRVM_G_STRING( OFS_PARM0 );
4076         VM_CheckEmptyString( name );
4077         
4078         PRVM_G_VECTOR(OFS_RETURN)[2] = 0;
4079         instance = CL_Gecko_FindBrowser( name );
4080         if( !instance ) {
4081                 PRVM_G_VECTOR(OFS_RETURN)[0] = 0;
4082                 PRVM_G_VECTOR(OFS_RETURN)[1] = 0;
4083                 return;
4084         }
4085         CL_Gecko_GetTextureExtent( instance, 
4086                 PRVM_G_VECTOR(OFS_RETURN), PRVM_G_VECTOR(OFS_RETURN)+1 );
4087 }
4088
4089
4090
4091 /*
4092 ==============
4093 VM_makevectors
4094
4095 Writes new values for v_forward, v_up, and v_right based on angles
4096 void makevectors(vector angle)
4097 ==============
4098 */
4099 void VM_makevectors (void)
4100 {
4101         prvm_eval_t *valforward, *valright, *valup;
4102         valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
4103         valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
4104         valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
4105         if (!valforward || !valright || !valup)
4106         {
4107                 VM_Warning("makevectors: could not find v_forward, v_right, or v_up global variables\n");
4108                 return;
4109         }
4110         VM_SAFEPARMCOUNT(1, VM_makevectors);
4111         AngleVectors (PRVM_G_VECTOR(OFS_PARM0), valforward->vector, valright->vector, valup->vector);
4112 }
4113
4114 /*
4115 ==============
4116 VM_vectorvectors
4117
4118 Writes new values for v_forward, v_up, and v_right based on the given forward vector
4119 vectorvectors(vector)
4120 ==============
4121 */
4122 void VM_vectorvectors (void)
4123 {
4124         prvm_eval_t *valforward, *valright, *valup;
4125         valforward = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_forward);
4126         valright = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_right);
4127         valup = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.v_up);
4128         if (!valforward || !valright || !valup)
4129         {
4130                 VM_Warning("vectorvectors: could not find v_forward, v_right, or v_up global variables\n");
4131                 return;
4132         }
4133         VM_SAFEPARMCOUNT(1, VM_vectorvectors);
4134         VectorNormalize2(PRVM_G_VECTOR(OFS_PARM0), valforward->vector);
4135         VectorVectors(valforward->vector, valright->vector, valup->vector);
4136 }
4137
4138 /*
4139 ========================
4140 VM_drawline
4141
4142 void drawline(float width, vector pos1, vector pos2, vector rgb, float alpha, float flags)
4143 ========================
4144 */
4145 void VM_drawline (void)
4146 {
4147         float   *c1, *c2, *rgb;
4148         float   alpha, width;
4149         unsigned char   flags;
4150
4151         VM_SAFEPARMCOUNT(6, VM_drawline);
4152         width   = PRVM_G_FLOAT(OFS_PARM0);
4153         c1              = PRVM_G_VECTOR(OFS_PARM1);
4154         c2              = PRVM_G_VECTOR(OFS_PARM2);
4155         rgb             = PRVM_G_VECTOR(OFS_PARM3);
4156         alpha   = PRVM_G_FLOAT(OFS_PARM4);
4157         flags   = (int)PRVM_G_FLOAT(OFS_PARM5);
4158         DrawQ_Line(width, c1[0], c1[1], c2[0], c2[1], rgb[0], rgb[1], rgb[2], alpha, flags);
4159 }
4160
4161 // float(float number, float quantity) bitshift (EXT_BITSHIFT)
4162 void VM_bitshift (void)
4163 {
4164         int n1, n2;
4165         VM_SAFEPARMCOUNT(2, VM_bitshift);
4166
4167         n1 = (int)fabs((float)((int)PRVM_G_FLOAT(OFS_PARM0)));
4168         n2 = (int)PRVM_G_FLOAT(OFS_PARM1);
4169         if(!n1)
4170                 PRVM_G_FLOAT(OFS_RETURN) = n1;
4171         else
4172         if(n2 < 0)
4173                 PRVM_G_FLOAT(OFS_RETURN) = (n1 >> -n2);
4174         else
4175                 PRVM_G_FLOAT(OFS_RETURN) = (n1 << n2);
4176 }
4177
4178 ////////////////////////////////////////
4179 // AltString functions
4180 ////////////////////////////////////////
4181
4182 /*
4183 ========================
4184 VM_altstr_count
4185
4186 float altstr_count(string)
4187 ========================
4188 */
4189 void VM_altstr_count( void )
4190 {
4191         const char *altstr, *pos;
4192         int     count;
4193
4194         VM_SAFEPARMCOUNT( 1, VM_altstr_count );
4195
4196         altstr = PRVM_G_STRING( OFS_PARM0 );
4197         //VM_CheckEmptyString( altstr );
4198
4199         for( count = 0, pos = altstr ; *pos ; pos++ ) {
4200                 if( *pos == '\\' ) {
4201                         if( !*++pos ) {
4202                                 break;
4203                         }
4204                 } else if( *pos == '\'' ) {
4205                         count++;
4206                 }
4207         }
4208
4209         PRVM_G_FLOAT( OFS_RETURN ) = (float) (count / 2);
4210 }
4211
4212 /*
4213 ========================
4214 VM_altstr_prepare
4215
4216 string altstr_prepare(string)
4217 ========================
4218 */
4219 void VM_altstr_prepare( void )
4220 {
4221         char *out;
4222         const char *instr, *in;
4223         int size;
4224         char outstr[VM_STRINGTEMP_LENGTH];
4225
4226         VM_SAFEPARMCOUNT( 1, VM_altstr_prepare );
4227
4228         instr = PRVM_G_STRING( OFS_PARM0 );
4229
4230         for( out = outstr, in = instr, size = sizeof(outstr) - 1 ; size && *in ; size--, in++, out++ )
4231                 if( *in == '\'' ) {
4232                         *out++ = '\\';
4233                         *out = '\'';
4234                         size--;
4235                 } else
4236                         *out = *in;
4237         *out = 0;
4238
4239         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4240 }
4241
4242 /*
4243 ========================
4244 VM_altstr_get
4245
4246 string altstr_get(string, float)
4247 ========================
4248 */
4249 void VM_altstr_get( void )
4250 {
4251         const char *altstr, *pos;
4252         char *out;
4253         int count, size;
4254         char outstr[VM_STRINGTEMP_LENGTH];
4255
4256         VM_SAFEPARMCOUNT( 2, VM_altstr_get );
4257
4258         altstr = PRVM_G_STRING( OFS_PARM0 );
4259
4260         count = (int)PRVM_G_FLOAT( OFS_PARM1 );
4261         count = count * 2 + 1;
4262
4263         for( pos = altstr ; *pos && count ; pos++ )
4264                 if( *pos == '\\' ) {
4265                         if( !*++pos )
4266                                 break;
4267                 } else if( *pos == '\'' )
4268                         count--;
4269
4270         if( !*pos ) {
4271                 PRVM_G_INT( OFS_RETURN ) = 0;
4272                 return;
4273         }
4274
4275         for( out = outstr, size = sizeof(outstr) - 1 ; size && *pos ; size--, pos++, out++ )
4276                 if( *pos == '\\' ) {
4277                         if( !*++pos )
4278                                 break;
4279                         *out = *pos;
4280                         size--;
4281                 } else if( *pos == '\'' )
4282                         break;
4283                 else
4284                         *out = *pos;
4285
4286         *out = 0;
4287         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4288 }
4289
4290 /*
4291 ========================
4292 VM_altstr_set
4293
4294 string altstr_set(string altstr, float num, string set)
4295 ========================
4296 */
4297 void VM_altstr_set( void )
4298 {
4299     int num;
4300         const char *altstr, *str;
4301         const char *in;
4302         char *out;
4303         char outstr[VM_STRINGTEMP_LENGTH];
4304
4305         VM_SAFEPARMCOUNT( 3, VM_altstr_set );
4306
4307         altstr = PRVM_G_STRING( OFS_PARM0 );
4308
4309         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4310
4311         str = PRVM_G_STRING( OFS_PARM2 );
4312
4313         out = outstr;
4314         for( num = num * 2 + 1, in = altstr; *in && num; *out++ = *in++ )
4315                 if( *in == '\\' ) {
4316                         if( !*++in ) {
4317                                 break;
4318                         }
4319                 } else if( *in == '\'' ) {
4320                         num--;
4321                 }
4322
4323         // copy set in
4324         for( ; *str; *out++ = *str++ );
4325         // now jump over the old content
4326         for( ; *in ; in++ )
4327                 if( *in == '\'' || (*in == '\\' && !*++in) )
4328                         break;
4329
4330         strlcpy(out, in, outstr + sizeof(outstr) - out);
4331         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4332 }
4333
4334 /*
4335 ========================
4336 VM_altstr_ins
4337 insert after num
4338 string  altstr_ins(string altstr, float num, string set)
4339 ========================
4340 */
4341 void VM_altstr_ins(void)
4342 {
4343         int num;
4344         const char *setstr;
4345         const char *set;
4346         const char *instr;
4347         const char *in;
4348         char *out;
4349         char outstr[VM_STRINGTEMP_LENGTH];
4350
4351         VM_SAFEPARMCOUNT(3, VM_altstr_ins);
4352
4353         in = instr = PRVM_G_STRING( OFS_PARM0 );
4354         num = (int)PRVM_G_FLOAT( OFS_PARM1 );
4355         set = setstr = PRVM_G_STRING( OFS_PARM2 );
4356
4357         out = outstr;
4358         for( num = num * 2 + 2 ; *in && num > 0 ; *out++ = *in++ )
4359                 if( *in == '\\' ) {
4360                         if( !*++in ) {
4361                                 break;
4362                         }
4363                 } else if( *in == '\'' ) {
4364                         num--;
4365                 }
4366
4367         *out++ = '\'';
4368         for( ; *set ; *out++ = *set++ );
4369         *out++ = '\'';
4370
4371         strlcpy(out, in, outstr + sizeof(outstr) - out);
4372         PRVM_G_INT( OFS_RETURN ) = PRVM_SetTempString( outstr );
4373 }
4374
4375
4376 ////////////////////////////////////////
4377 // BufString functions
4378 ////////////////////////////////////////
4379 //[515]: string buffers support
4380
4381 static size_t stringbuffers_sortlength;
4382
4383 static void BufStr_Expand(prvm_stringbuffer_t *stringbuffer, int strindex)
4384 {
4385         if (stringbuffer->max_strings <= strindex)
4386         {
4387                 char **oldstrings = stringbuffer->strings;
4388                 stringbuffer->max_strings = max(stringbuffer->max_strings * 2, 128);
4389                 while (stringbuffer->max_strings <= strindex)
4390                         stringbuffer->max_strings *= 2;
4391                 stringbuffer->strings = (char **) Mem_Alloc(prog->progs_mempool, stringbuffer->max_strings * sizeof(stringbuffer->strings[0]));
4392                 if (stringbuffer->num_strings > 0)
4393                         memcpy(stringbuffer->strings, oldstrings, stringbuffer->num_strings * sizeof(stringbuffer->strings[0]));
4394                 if (oldstrings)
4395                         Mem_Free(oldstrings);
4396         }
4397 }
4398
4399 static void BufStr_Shrink(prvm_stringbuffer_t *stringbuffer)
4400 {
4401         // reduce num_strings if there are empty string slots at the end
4402         while (stringbuffer->num_strings > 0 && stringbuffer->strings[stringbuffer->num_strings - 1] == NULL)
4403                 stringbuffer->num_strings--;
4404
4405         // if empty, free the string pointer array
4406         if (stringbuffer->num_strings == 0)
4407         {
4408                 stringbuffer->max_strings = 0;
4409                 if (stringbuffer->strings)
4410                         Mem_Free(stringbuffer->strings);
4411                 stringbuffer->strings = NULL;
4412         }
4413 }
4414
4415 static int BufStr_SortStringsUP (const void *in1, const void *in2)
4416 {
4417         const char *a, *b;
4418         a = *((const char **) in1);
4419         b = *((const char **) in2);
4420         if(!a[0])       return 1;
4421         if(!b[0])       return -1;
4422         return strncmp(a, b, stringbuffers_sortlength);
4423 }
4424
4425 static int BufStr_SortStringsDOWN (const void *in1, const void *in2)
4426 {
4427         const char *a, *b;
4428         a = *((const char **) in1);
4429         b = *((const char **) in2);
4430         if(!a[0])       return 1;
4431         if(!b[0])       return -1;
4432         return strncmp(b, a, stringbuffers_sortlength);
4433 }
4434
4435 /*
4436 ========================
4437 VM_buf_create
4438 creates new buffer, and returns it's index, returns -1 if failed
4439 float buf_create(void) = #460;
4440 ========================
4441 */
4442 void VM_buf_create (void)
4443 {
4444         prvm_stringbuffer_t *stringbuffer;
4445         int i;
4446         VM_SAFEPARMCOUNT(0, VM_buf_create);
4447         stringbuffer = (prvm_stringbuffer_t *) Mem_ExpandableArray_AllocRecord(&prog->stringbuffersarray);
4448         for (i = 0;stringbuffer != Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);i++);
4449         stringbuffer->origin = PRVM_AllocationOrigin();
4450         PRVM_G_FLOAT(OFS_RETURN) = i;
4451 }
4452
4453 /*
4454 ========================
4455 VM_buf_del
4456 deletes buffer and all strings in it
4457 void buf_del(float bufhandle) = #461;
4458 ========================
4459 */
4460 void VM_buf_del (void)
4461 {
4462         prvm_stringbuffer_t *stringbuffer;
4463         VM_SAFEPARMCOUNT(1, VM_buf_del);
4464         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4465         if (stringbuffer)
4466         {
4467                 int i;
4468                 for (i = 0;i < stringbuffer->num_strings;i++)
4469                         if (stringbuffer->strings[i])
4470                                 Mem_Free(stringbuffer->strings[i]);
4471                 if (stringbuffer->strings)
4472                         Mem_Free(stringbuffer->strings);
4473                 if(stringbuffer->origin)
4474                         PRVM_Free((char *)stringbuffer->origin);
4475                 Mem_ExpandableArray_FreeRecord(&prog->stringbuffersarray, stringbuffer);
4476         }
4477         else
4478         {
4479                 VM_Warning("VM_buf_del: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4480                 return;
4481         }
4482 }
4483
4484 /*
4485 ========================
4486 VM_buf_getsize
4487 how many strings are stored in buffer
4488 float buf_getsize(float bufhandle) = #462;
4489 ========================
4490 */
4491 void VM_buf_getsize (void)
4492 {
4493         prvm_stringbuffer_t *stringbuffer;
4494         VM_SAFEPARMCOUNT(1, VM_buf_getsize);
4495
4496         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4497         if(!stringbuffer)
4498         {
4499                 PRVM_G_FLOAT(OFS_RETURN) = -1;
4500                 VM_Warning("VM_buf_getsize: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4501                 return;
4502         }
4503         else
4504                 PRVM_G_FLOAT(OFS_RETURN) = stringbuffer->num_strings;
4505 }
4506
4507 /*
4508 ========================
4509 VM_buf_copy
4510 copy all content from one buffer to another, make sure it exists
4511 void buf_copy(float bufhandle_from, float bufhandle_to) = #463;
4512 ========================
4513 */
4514 void VM_buf_copy (void)
4515 {
4516         prvm_stringbuffer_t *srcstringbuffer, *dststringbuffer;
4517         int i;
4518         VM_SAFEPARMCOUNT(2, VM_buf_copy);
4519
4520         srcstringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4521         if(!srcstringbuffer)
4522         {
4523                 VM_Warning("VM_buf_copy: invalid source buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4524                 return;
4525         }
4526         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4527         if(i == (int)PRVM_G_FLOAT(OFS_PARM0))
4528         {
4529                 VM_Warning("VM_buf_copy: source == destination (%i) in %s\n", i, PRVM_NAME);
4530                 return;
4531         }
4532         dststringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4533         if(!dststringbuffer)
4534         {
4535                 VM_Warning("VM_buf_copy: invalid destination buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM1), PRVM_NAME);
4536                 return;
4537         }
4538
4539         for (i = 0;i < dststringbuffer->num_strings;i++)
4540                 if (dststringbuffer->strings[i])
4541                         Mem_Free(dststringbuffer->strings[i]);
4542         if (dststringbuffer->strings)
4543                 Mem_Free(dststringbuffer->strings);
4544         *dststringbuffer = *srcstringbuffer;
4545         if (dststringbuffer->max_strings)
4546                 dststringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(dststringbuffer->strings[0]) * dststringbuffer->max_strings);
4547
4548         for (i = 0;i < dststringbuffer->num_strings;i++)
4549         {
4550                 if (srcstringbuffer->strings[i])
4551                 {
4552                         size_t stringlen;
4553                         stringlen = strlen(srcstringbuffer->strings[i]) + 1;
4554                         dststringbuffer->strings[i] = (char *)Mem_Alloc(prog->progs_mempool, stringlen);
4555                         memcpy(dststringbuffer->strings[i], srcstringbuffer->strings[i], stringlen);
4556                 }
4557         }
4558 }
4559
4560 /*
4561 ========================
4562 VM_buf_sort
4563 sort buffer by beginnings of strings (cmplength defaults it's length)
4564 "backward == TRUE" means that sorting goes upside-down
4565 void buf_sort(float bufhandle, float cmplength, float backward) = #464;
4566 ========================
4567 */
4568 void VM_buf_sort (void)
4569 {
4570         prvm_stringbuffer_t *stringbuffer;
4571         VM_SAFEPARMCOUNT(3, VM_buf_sort);
4572
4573         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4574         if(!stringbuffer)
4575         {
4576                 VM_Warning("VM_buf_sort: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4577                 return;
4578         }
4579         if(stringbuffer->num_strings <= 0)
4580         {
4581                 VM_Warning("VM_buf_sort: tried to sort empty buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4582                 return;
4583         }
4584         stringbuffers_sortlength = (int)PRVM_G_FLOAT(OFS_PARM1);
4585         if(stringbuffers_sortlength <= 0)
4586                 stringbuffers_sortlength = 0x7FFFFFFF;
4587
4588         if(!PRVM_G_FLOAT(OFS_PARM2))
4589                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsUP);
4590         else
4591                 qsort(stringbuffer->strings, stringbuffer->num_strings, sizeof(char*), BufStr_SortStringsDOWN);
4592
4593         BufStr_Shrink(stringbuffer);
4594 }
4595
4596 /*
4597 ========================
4598 VM_buf_implode
4599 concantenates all buffer string into one with "glue" separator and returns it as tempstring
4600 string buf_implode(float bufhandle, string glue) = #465;
4601 ========================
4602 */
4603 void VM_buf_implode (void)
4604 {
4605         prvm_stringbuffer_t *stringbuffer;
4606         char                    k[VM_STRINGTEMP_LENGTH];
4607         const char              *sep;
4608         int                             i;
4609         size_t                  l;
4610         VM_SAFEPARMCOUNT(2, VM_buf_implode);
4611
4612         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4613         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4614         if(!stringbuffer)
4615         {
4616                 VM_Warning("VM_buf_implode: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4617                 return;
4618         }
4619         if(!stringbuffer->num_strings)
4620                 return;
4621         sep = PRVM_G_STRING(OFS_PARM1);
4622         k[0] = 0;
4623         for(l = i = 0;i < stringbuffer->num_strings;i++)
4624         {
4625                 if(stringbuffer->strings[i])
4626                 {
4627                         l += (i > 0 ? strlen(sep) : 0) + strlen(stringbuffer->strings[i]);
4628                         if (l >= sizeof(k) - 1)
4629                                 break;
4630                         strlcat(k, sep, sizeof(k));
4631                         strlcat(k, stringbuffer->strings[i], sizeof(k));
4632                 }
4633         }
4634         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(k);
4635 }
4636
4637 /*
4638 ========================
4639 VM_bufstr_get
4640 get a string from buffer, returns tempstring, dont str_unzone it!
4641 string bufstr_get(float bufhandle, float string_index) = #465;
4642 ========================
4643 */
4644 void VM_bufstr_get (void)
4645 {
4646         prvm_stringbuffer_t *stringbuffer;
4647         int                             strindex;
4648         VM_SAFEPARMCOUNT(2, VM_bufstr_get);
4649
4650         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
4651         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4652         if(!stringbuffer)
4653         {
4654                 VM_Warning("VM_bufstr_get: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4655                 return;
4656         }
4657         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4658         if (strindex < 0)
4659         {
4660                 VM_Warning("VM_bufstr_get: invalid string index %i used in %s\n", strindex, PRVM_NAME);
4661                 return;
4662         }
4663         if (strindex < stringbuffer->num_strings && stringbuffer->strings[strindex])
4664                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(stringbuffer->strings[strindex]);
4665 }
4666
4667 /*
4668 ========================
4669 VM_bufstr_set
4670 copies a string into selected slot of buffer
4671 void bufstr_set(float bufhandle, float string_index, string str) = #466;
4672 ========================
4673 */
4674 void VM_bufstr_set (void)
4675 {
4676         int                             strindex;
4677         prvm_stringbuffer_t *stringbuffer;
4678         const char              *news;
4679
4680         VM_SAFEPARMCOUNT(3, VM_bufstr_set);
4681
4682         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4683         if(!stringbuffer)
4684         {
4685                 VM_Warning("VM_bufstr_set: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4686                 return;
4687         }
4688         strindex = (int)PRVM_G_FLOAT(OFS_PARM1);
4689         if(strindex < 0 || strindex >= 1000000) // huge number of strings
4690         {
4691                 VM_Warning("VM_bufstr_set: invalid string index %i used in %s\n", strindex, PRVM_NAME);
4692                 return;
4693         }
4694
4695         BufStr_Expand(stringbuffer, strindex);
4696         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
4697
4698         if(stringbuffer->strings[strindex])
4699                 Mem_Free(stringbuffer->strings[strindex]);
4700         stringbuffer->strings[strindex] = NULL;
4701
4702         news = PRVM_G_STRING(OFS_PARM2);
4703         if (news && news[0])
4704         {
4705                 size_t alloclen = strlen(news) + 1;
4706                 stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
4707                 memcpy(stringbuffer->strings[strindex], news, alloclen);
4708         }
4709
4710         BufStr_Shrink(stringbuffer);
4711 }
4712
4713 /*
4714 ========================
4715 VM_bufstr_add
4716 adds string to buffer in first free slot and returns its index
4717 "order == TRUE" means that string will be added after last "full" slot
4718 float bufstr_add(float bufhandle, string str, float order) = #467;
4719 ========================
4720 */
4721 void VM_bufstr_add (void)
4722 {
4723         int                             order, strindex;
4724         prvm_stringbuffer_t *stringbuffer;
4725         const char              *string;
4726         size_t                  alloclen;
4727
4728         VM_SAFEPARMCOUNT(3, VM_bufstr_add);
4729
4730         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4731         PRVM_G_FLOAT(OFS_RETURN) = -1;
4732         if(!stringbuffer)
4733         {
4734                 VM_Warning("VM_bufstr_add: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4735                 return;
4736         }
4737         string = PRVM_G_STRING(OFS_PARM1);
4738         if(!string || !string[0])
4739         {
4740                 VM_Warning("VM_bufstr_add: can not add an empty string to buffer %i in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4741                 return;
4742         }
4743         order = (int)PRVM_G_FLOAT(OFS_PARM2);
4744         if(order)
4745                 strindex = stringbuffer->num_strings;
4746         else
4747                 for (strindex = 0;strindex < stringbuffer->num_strings;strindex++)
4748                         if (stringbuffer->strings[strindex] == NULL)
4749                                 break;
4750
4751         BufStr_Expand(stringbuffer, strindex);
4752
4753         stringbuffer->num_strings = max(stringbuffer->num_strings, strindex + 1);
4754         alloclen = strlen(string) + 1;
4755         stringbuffer->strings[strindex] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
4756         memcpy(stringbuffer->strings[strindex], string, alloclen);
4757
4758         PRVM_G_FLOAT(OFS_RETURN) = strindex;
4759 }
4760
4761 /*
4762 ========================
4763 VM_bufstr_free
4764 delete string from buffer
4765 void bufstr_free(float bufhandle, float string_index) = #468;
4766 ========================
4767 */
4768 void VM_bufstr_free (void)
4769 {
4770         int                             i;
4771         prvm_stringbuffer_t     *stringbuffer;
4772         VM_SAFEPARMCOUNT(2, VM_bufstr_free);
4773
4774         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4775         if(!stringbuffer)
4776         {
4777                 VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4778                 return;
4779         }
4780         i = (int)PRVM_G_FLOAT(OFS_PARM1);
4781         if(i < 0)
4782         {
4783                 VM_Warning("VM_bufstr_free: invalid string index %i used in %s\n", i, PRVM_NAME);
4784                 return;
4785         }
4786
4787         if (i < stringbuffer->num_strings)
4788         {
4789                 if(stringbuffer->strings[i])
4790                         Mem_Free(stringbuffer->strings[i]);
4791                 stringbuffer->strings[i] = NULL;
4792         }
4793
4794         BufStr_Shrink(stringbuffer);
4795 }
4796
4797
4798
4799
4800
4801
4802
4803 void VM_buf_cvarlist(void)
4804 {
4805         cvar_t *cvar;
4806         const char *partial, *antipartial;
4807         size_t len, antilen;
4808         size_t alloclen;
4809         qboolean ispattern, antiispattern;
4810         int n;
4811         prvm_stringbuffer_t     *stringbuffer;
4812         VM_SAFEPARMCOUNTRANGE(2, 3, VM_buf_cvarlist);
4813
4814         stringbuffer = (prvm_stringbuffer_t *)Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, (int)PRVM_G_FLOAT(OFS_PARM0));
4815         if(!stringbuffer)
4816         {
4817                 VM_Warning("VM_bufstr_free: invalid buffer %i used in %s\n", (int)PRVM_G_FLOAT(OFS_PARM0), PRVM_NAME);
4818                 return;
4819         }
4820
4821         partial = PRVM_G_STRING(OFS_PARM1);
4822         if(!partial)
4823                 len = 0;
4824         else
4825                 len = strlen(partial);
4826
4827         if(prog->argc == 3)
4828                 antipartial = PRVM_G_STRING(OFS_PARM2);
4829         else
4830                 antipartial = NULL;
4831         if(!antipartial)
4832                 antilen = 0;
4833         else
4834                 antilen = strlen(antipartial);
4835         
4836         for (n = 0;n < stringbuffer->num_strings;n++)
4837                 if (stringbuffer->strings[n])
4838                         Mem_Free(stringbuffer->strings[n]);
4839         if (stringbuffer->strings)
4840                 Mem_Free(stringbuffer->strings);
4841         stringbuffer->strings = NULL;
4842
4843         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
4844         antiispattern = antipartial && (strchr(antipartial, '*') || strchr(antipartial, '?'));
4845
4846         n = 0;
4847         for(cvar = cvar_vars; cvar; cvar = cvar->next)
4848         {
4849                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
4850                         continue;
4851
4852                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
4853                         continue;
4854
4855                 ++n;
4856         }
4857
4858         stringbuffer->max_strings = stringbuffer->num_strings = n;
4859         if (stringbuffer->max_strings)
4860                 stringbuffer->strings = (char **)Mem_Alloc(prog->progs_mempool, sizeof(stringbuffer->strings[0]) * stringbuffer->max_strings);
4861         
4862         n = 0;
4863         for(cvar = cvar_vars; cvar; cvar = cvar->next)
4864         {
4865                 if(len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp(partial, cvar->name, len)))
4866                         continue;
4867
4868                 if(antilen && (antiispattern ? matchpattern_with_separator(cvar->name, antipartial, false, "", false) : !strncmp(antipartial, cvar->name, antilen)))
4869                         continue;
4870
4871                 alloclen = strlen(cvar->name) + 1;
4872                 stringbuffer->strings[n] = (char *)Mem_Alloc(prog->progs_mempool, alloclen);
4873                 memcpy(stringbuffer->strings[n], cvar->name, alloclen);
4874
4875                 ++n;
4876         }
4877 }
4878
4879
4880
4881
4882 //=============
4883
4884 /*
4885 ==============
4886 VM_changeyaw
4887
4888 This was a major timewaster in progs, so it was converted to C
4889 ==============
4890 */
4891 void VM_changeyaw (void)
4892 {
4893         prvm_edict_t            *ent;
4894         float           ideal, current, move, speed;
4895
4896         // this is called (VERY HACKISHLY) by SV_MoveToGoal, so it can not use any
4897         // parameters because they are the parameters to SV_MoveToGoal, not this
4898         //VM_SAFEPARMCOUNT(0, VM_changeyaw);
4899
4900         ent = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
4901         if (ent == prog->edicts)
4902         {
4903                 VM_Warning("changeyaw: can not modify world entity\n");
4904                 return;
4905         }
4906         if (ent->priv.server->free)
4907         {
4908                 VM_Warning("changeyaw: can not modify free entity\n");
4909                 return;
4910         }
4911         if (prog->fieldoffsets.angles < 0 || prog->fieldoffsets.ideal_yaw < 0 || prog->fieldoffsets.yaw_speed < 0)
4912         {
4913                 VM_Warning("changeyaw: angles, ideal_yaw, or yaw_speed field(s) not found\n");
4914                 return;
4915         }
4916         current = ANGLEMOD(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[1]);
4917         ideal = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.ideal_yaw)->_float;
4918         speed = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.yaw_speed)->_float;
4919
4920         if (current == ideal)
4921                 return;
4922         move = ideal - current;
4923         if (ideal > current)
4924         {
4925                 if (move >= 180)
4926                         move = move - 360;
4927         }
4928         else
4929         {
4930                 if (move <= -180)
4931                         move = move + 360;
4932         }
4933         if (move > 0)
4934         {
4935                 if (move > speed)
4936                         move = speed;
4937         }
4938         else
4939         {
4940                 if (move < -speed)
4941                         move = -speed;
4942         }
4943
4944         PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[1] = ANGLEMOD (current + move);
4945 }
4946
4947 /*
4948 ==============
4949 VM_changepitch
4950 ==============
4951 */
4952 void VM_changepitch (void)
4953 {
4954         prvm_edict_t            *ent;
4955         float           ideal, current, move, speed;
4956
4957         VM_SAFEPARMCOUNT(1, VM_changepitch);
4958
4959         ent = PRVM_G_EDICT(OFS_PARM0);
4960         if (ent == prog->edicts)
4961         {
4962                 VM_Warning("changepitch: can not modify world entity\n");
4963                 return;
4964         }
4965         if (ent->priv.server->free)
4966         {
4967                 VM_Warning("changepitch: can not modify free entity\n");
4968                 return;
4969         }
4970         if (prog->fieldoffsets.angles < 0 || prog->fieldoffsets.idealpitch < 0 || prog->fieldoffsets.pitch_speed < 0)
4971         {
4972                 VM_Warning("changepitch: angles, idealpitch, or pitch_speed field(s) not found\n");
4973                 return;
4974         }
4975         current = ANGLEMOD(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0]);
4976         ideal = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.idealpitch)->_float;
4977         speed = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pitch_speed)->_float;
4978
4979         if (current == ideal)
4980                 return;
4981         move = ideal - current;
4982         if (ideal > current)
4983         {
4984                 if (move >= 180)
4985                         move = move - 360;
4986         }
4987         else
4988         {
4989                 if (move <= -180)
4990                         move = move + 360;
4991         }
4992         if (move > 0)
4993         {
4994                 if (move > speed)
4995                         move = speed;
4996         }
4997         else
4998         {
4999                 if (move < -speed)
5000                         move = -speed;
5001         }
5002
5003         PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.angles)->vector[0] = ANGLEMOD (current + move);
5004 }
5005
5006
5007 void VM_uncolorstring (void)
5008 {
5009         char szNewString[VM_STRINGTEMP_LENGTH];
5010         const char *szString;
5011
5012         // Prepare Strings
5013         VM_SAFEPARMCOUNT(1, VM_uncolorstring);
5014         szString = PRVM_G_STRING(OFS_PARM0);
5015         COM_StringDecolorize(szString, 0, szNewString, sizeof(szNewString), TRUE);
5016         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(szNewString);
5017         
5018 }
5019
5020 // #221 float(string str, string sub[, float startpos]) strstrofs (FTE_STRINGS)
5021 //strstr, without generating a new string. Use in conjunction with FRIK_FILE's substring for more similar strstr.
5022 void VM_strstrofs (void)
5023 {
5024         const char *instr, *match;
5025         int firstofs;
5026         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strstrofs);
5027         instr = PRVM_G_STRING(OFS_PARM0);
5028         match = PRVM_G_STRING(OFS_PARM1);
5029         firstofs = (prog->argc > 2)?(int)PRVM_G_FLOAT(OFS_PARM2):0;
5030         firstofs = u8_bytelen(instr, firstofs);
5031
5032         if (firstofs && (firstofs < 0 || firstofs > (int)strlen(instr)))
5033         {
5034                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5035                 return;
5036         }
5037
5038         match = strstr(instr+firstofs, match);
5039         if (!match)
5040                 PRVM_G_FLOAT(OFS_RETURN) = -1;
5041         else
5042                 PRVM_G_FLOAT(OFS_RETURN) = match - instr;
5043 }
5044
5045 //#222 string(string s, float index) str2chr (FTE_STRINGS)
5046 void VM_str2chr (void)
5047 {
5048         const char *s;
5049         Uchar ch;
5050         int index;
5051         VM_SAFEPARMCOUNT(2, VM_str2chr);
5052         s = PRVM_G_STRING(OFS_PARM0);
5053         index = u8_bytelen(s, (int)PRVM_G_FLOAT(OFS_PARM1));
5054
5055         if((unsigned)index < strlen(s))
5056         {
5057                 ch = u8_getchar(s + index, NULL);
5058                 PRVM_G_FLOAT(OFS_RETURN) = ch;
5059         }
5060         else
5061                 PRVM_G_FLOAT(OFS_RETURN) = 0;
5062 }
5063
5064 //#223 string(float c, ...) chr2str (FTE_STRINGS)
5065 void VM_chr2str (void)
5066 {
5067         /*
5068         char    t[9];
5069         int             i;
5070         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5071         for(i = 0;i < prog->argc && i < (int)sizeof(t) - 1;i++)
5072                 t[i] = (unsigned char)PRVM_G_FLOAT(OFS_PARM0+i*3);
5073         t[i] = 0;
5074         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
5075         */
5076         char t[9 * 4 + 1];
5077         int i;
5078         size_t len = 0;
5079         VM_SAFEPARMCOUNTRANGE(0, 8, VM_chr2str);
5080         for(i = 0; i < prog->argc && len < sizeof(t)-1; ++i)
5081         {
5082                 int add = u8_fromchar((Uchar)PRVM_G_FLOAT(OFS_PARM0+i*3), t + len, sizeof(t)-1);
5083                 if(add > 0)
5084                         len += add;
5085         }
5086         t[len] = 0;
5087         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
5088 }
5089
5090 static int chrconv_number(int i, int base, int conv)
5091 {
5092         i -= base;
5093         switch (conv)
5094         {
5095         default:
5096         case 5:
5097         case 6:
5098         case 0:
5099                 break;
5100         case 1:
5101                 base = '0';
5102                 break;
5103         case 2:
5104                 base = '0'+128;
5105                 break;
5106         case 3:
5107                 base = '0'-30;
5108                 break;
5109         case 4:
5110                 base = '0'+128-30;
5111                 break;
5112         }
5113         return i + base;
5114 }
5115 static int chrconv_punct(int i, int base, int conv)
5116 {
5117         i -= base;
5118         switch (conv)
5119         {
5120         default:
5121         case 0:
5122                 break;
5123         case 1:
5124                 base = 0;
5125                 break;
5126         case 2:
5127                 base = 128;
5128                 break;
5129         }
5130         return i + base;
5131 }
5132
5133 static int chrchar_alpha(int i, int basec, int baset, int convc, int convt, int charnum)
5134 {
5135         //convert case and colour seperatly...
5136
5137         i -= baset + basec;
5138         switch (convt)
5139         {
5140         default:
5141         case 0:
5142                 break;
5143         case 1:
5144                 baset = 0;
5145                 break;
5146         case 2:
5147                 baset = 128;
5148                 break;
5149
5150         case 5:
5151         case 6:
5152                 baset = 128*((charnum&1) == (convt-5));
5153                 break;
5154         }
5155
5156         switch (convc)
5157         {
5158         default:
5159         case 0:
5160                 break;
5161         case 1:
5162                 basec = 'a';
5163                 break;
5164         case 2:
5165                 basec = 'A';
5166                 break;
5167         }
5168         return i + basec + baset;
5169 }
5170 // #224 string(float ccase, float calpha, float cnum, string s, ...) strconv (FTE_STRINGS)
5171 //bulk convert a string. change case or colouring.
5172 void VM_strconv (void)
5173 {
5174         int ccase, redalpha, rednum, len, i;
5175         unsigned char resbuf[VM_STRINGTEMP_LENGTH];
5176         unsigned char *result = resbuf;
5177
5178         VM_SAFEPARMCOUNTRANGE(3, 8, VM_strconv);
5179
5180         ccase = (int) PRVM_G_FLOAT(OFS_PARM0);  //0 same, 1 lower, 2 upper
5181         redalpha = (int) PRVM_G_FLOAT(OFS_PARM1);       //0 same, 1 white, 2 red,  5 alternate, 6 alternate-alternate
5182         rednum = (int) PRVM_G_FLOAT(OFS_PARM2); //0 same, 1 white, 2 red, 3 redspecial, 4 whitespecial, 5 alternate, 6 alternate-alternate
5183         VM_VarString(3, (char *) resbuf, sizeof(resbuf));
5184         len = strlen((char *) resbuf);
5185
5186         for (i = 0; i < len; i++, result++)     //should this be done backwards?
5187         {
5188                 if (*result >= '0' && *result <= '9')   //normal numbers...
5189                         *result = chrconv_number(*result, '0', rednum);
5190                 else if (*result >= '0'+128 && *result <= '9'+128)
5191                         *result = chrconv_number(*result, '0'+128, rednum);
5192                 else if (*result >= '0'+128-30 && *result <= '9'+128-30)
5193                         *result = chrconv_number(*result, '0'+128-30, rednum);
5194                 else if (*result >= '0'-30 && *result <= '9'-30)
5195                         *result = chrconv_number(*result, '0'-30, rednum);
5196
5197                 else if (*result >= 'a' && *result <= 'z')      //normal numbers...
5198                         *result = chrchar_alpha(*result, 'a', 0, ccase, redalpha, i);
5199                 else if (*result >= 'A' && *result <= 'Z')      //normal numbers...
5200                         *result = chrchar_alpha(*result, 'A', 0, ccase, redalpha, i);
5201                 else if (*result >= 'a'+128 && *result <= 'z'+128)      //normal numbers...
5202                         *result = chrchar_alpha(*result, 'a', 128, ccase, redalpha, i);
5203                 else if (*result >= 'A'+128 && *result <= 'Z'+128)      //normal numbers...
5204                         *result = chrchar_alpha(*result, 'A', 128, ccase, redalpha, i);
5205
5206                 else if ((*result & 127) < 16 || !redalpha)     //special chars..
5207                         *result = *result;
5208                 else if (*result < 128)
5209                         *result = chrconv_punct(*result, 0, redalpha);
5210                 else
5211                         *result = chrconv_punct(*result, 128, redalpha);
5212         }
5213         *result = '\0';
5214
5215         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString((char *) resbuf);
5216 }
5217
5218 // #225 string(float chars, string s, ...) strpad (FTE_STRINGS)
5219 void VM_strpad (void)
5220 {
5221         char src[VM_STRINGTEMP_LENGTH];
5222         char destbuf[VM_STRINGTEMP_LENGTH];
5223         int pad;
5224         VM_SAFEPARMCOUNTRANGE(1, 8, VM_strpad);
5225         pad = (int) PRVM_G_FLOAT(OFS_PARM0);
5226         VM_VarString(1, src, sizeof(src));
5227
5228         // note: < 0 = left padding, > 0 = right padding,
5229         // this is reverse logic of printf!
5230         dpsnprintf(destbuf, sizeof(destbuf), "%*s", -pad, src);
5231
5232         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(destbuf);
5233 }
5234
5235 // #226 string(string info, string key, string value, ...) infoadd (FTE_STRINGS)
5236 //uses qw style \key\value strings
5237 void VM_infoadd (void)
5238 {
5239         const char *info, *key;
5240         char value[VM_STRINGTEMP_LENGTH];
5241         char temp[VM_STRINGTEMP_LENGTH];
5242
5243         VM_SAFEPARMCOUNTRANGE(2, 8, VM_infoadd);
5244         info = PRVM_G_STRING(OFS_PARM0);
5245         key = PRVM_G_STRING(OFS_PARM1);
5246         VM_VarString(2, value, sizeof(value));
5247
5248         strlcpy(temp, info, VM_STRINGTEMP_LENGTH);
5249
5250         InfoString_SetValue(temp, VM_STRINGTEMP_LENGTH, key, value);
5251
5252         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(temp);
5253 }
5254
5255 // #227 string(string info, string key) infoget (FTE_STRINGS)
5256 //uses qw style \key\value strings
5257 void VM_infoget (void)
5258 {
5259         const char *info;
5260         const char *key;
5261         char value[VM_STRINGTEMP_LENGTH];
5262
5263         VM_SAFEPARMCOUNT(2, VM_infoget);
5264         info = PRVM_G_STRING(OFS_PARM0);
5265         key = PRVM_G_STRING(OFS_PARM1);
5266
5267         InfoString_GetValue(info, key, value, VM_STRINGTEMP_LENGTH);
5268
5269         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(value);
5270 }
5271
5272 //#228 float(string s1, string s2, float len) strncmp (FTE_STRINGS)
5273 // also float(string s1, string s2) strcmp (FRIK_FILE)
5274 void VM_strncmp (void)
5275 {
5276         const char *s1, *s2;
5277         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncmp);
5278         s1 = PRVM_G_STRING(OFS_PARM0);
5279         s2 = PRVM_G_STRING(OFS_PARM1);
5280         if (prog->argc > 2)
5281         {
5282                 PRVM_G_FLOAT(OFS_RETURN) = strncmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5283         }
5284         else
5285         {
5286                 PRVM_G_FLOAT(OFS_RETURN) = strcmp(s1, s2);
5287         }
5288 }
5289
5290 // #229 float(string s1, string s2) strcasecmp (FTE_STRINGS)
5291 // #230 float(string s1, string s2, float len) strncasecmp (FTE_STRINGS)
5292 void VM_strncasecmp (void)
5293 {
5294         const char *s1, *s2;
5295         VM_SAFEPARMCOUNTRANGE(2, 3, VM_strncasecmp);
5296         s1 = PRVM_G_STRING(OFS_PARM0);
5297         s2 = PRVM_G_STRING(OFS_PARM1);
5298         if (prog->argc > 2)
5299         {
5300                 PRVM_G_FLOAT(OFS_RETURN) = strncasecmp(s1, s2, (size_t)PRVM_G_FLOAT(OFS_PARM2));
5301         }
5302         else
5303         {
5304                 PRVM_G_FLOAT(OFS_RETURN) = strcasecmp(s1, s2);
5305         }
5306 }
5307
5308 // #494 float(float caseinsensitive, string s, ...) crc16
5309 void VM_crc16(void)
5310 {
5311         float insensitive;
5312         static char s[VM_STRINGTEMP_LENGTH];
5313         VM_SAFEPARMCOUNTRANGE(2, 8, VM_hash);
5314         insensitive = PRVM_G_FLOAT(OFS_PARM0);
5315         VM_VarString(1, s, sizeof(s));
5316         PRVM_G_FLOAT(OFS_RETURN) = (unsigned short) ((insensitive ? CRC_Block_CaseInsensitive : CRC_Block) ((unsigned char *) s, strlen(s)));
5317 }
5318
5319 void VM_wasfreed (void)
5320 {
5321         VM_SAFEPARMCOUNT(1, VM_wasfreed);
5322         PRVM_G_FLOAT(OFS_RETURN) = PRVM_G_EDICT(OFS_PARM0)->priv.required->free;
5323 }
5324
5325 void VM_SetTraceGlobals(const trace_t *trace)
5326 {
5327         prvm_eval_t *val;
5328         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_allsolid)))
5329                 val->_float = trace->allsolid;
5330         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_startsolid)))
5331                 val->_float = trace->startsolid;
5332         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_fraction)))
5333                 val->_float = trace->fraction;
5334         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inwater)))
5335                 val->_float = trace->inwater;
5336         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inopen)))
5337                 val->_float = trace->inopen;
5338         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos)))
5339                 VectorCopy(trace->endpos, val->vector);
5340         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_normal)))
5341                 VectorCopy(trace->plane.normal, val->vector);
5342         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_dist)))
5343                 val->_float = trace->plane.dist;
5344         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_ent)))
5345                 val->edict = PRVM_EDICT_TO_PROG(trace->ent ? trace->ent : prog->edicts);
5346         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
5347                 val->_float = trace->startsupercontents;
5348         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
5349                 val->_float = trace->hitsupercontents;
5350         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
5351                 val->_float = trace->hitq3surfaceflags;
5352         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
5353                 val->string = trace->hittexture ? PRVM_SetTempString(trace->hittexture->name) : 0;
5354 }
5355
5356 void VM_ClearTraceGlobals(void)
5357 {
5358         // clean up all trace globals when leaving the VM (anti-triggerbot safeguard)
5359         prvm_eval_t *val;
5360         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_allsolid)))
5361                 val->_float = 0;
5362         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_startsolid)))
5363                 val->_float = 0;
5364         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_fraction)))
5365                 val->_float = 0;
5366         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inwater)))
5367                 val->_float = 0;
5368         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_inopen)))
5369                 val->_float = 0;
5370         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_endpos)))
5371                 VectorClear(val->vector);
5372         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_normal)))
5373                 VectorClear(val->vector);
5374         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_plane_dist)))
5375                 val->_float = 0;
5376         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_ent)))
5377                 val->edict = PRVM_EDICT_TO_PROG(prog->edicts);
5378         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
5379                 val->_float = 0;
5380         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
5381                 val->_float = 0;
5382         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
5383                 val->_float = 0;
5384         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
5385                 val->string = 0;
5386 }
5387
5388 //=============
5389
5390 void VM_Cmd_Init(void)
5391 {
5392         // only init the stuff for the current prog
5393         VM_Files_Init();
5394         VM_Search_Init();
5395         VM_Gecko_Init();
5396 //      VM_BufStr_Init();
5397 }
5398
5399 void VM_Cmd_Reset(void)
5400 {
5401         CL_PurgeOwner( MENUOWNER );
5402         VM_Search_Reset();
5403         VM_Files_CloseAll();
5404         VM_Gecko_Destroy();
5405 //      VM_BufStr_ShutDown();
5406 }
5407
5408 // #510 string(string input, ...) uri_escape (DP_QC_URI_ESCAPE)
5409 // does URI escaping on a string (replace evil stuff by %AB escapes)
5410 void VM_uri_escape (void)
5411 {
5412         char src[VM_STRINGTEMP_LENGTH];
5413         char dest[VM_STRINGTEMP_LENGTH];
5414         char *p, *q;
5415         static const char *hex = "0123456789ABCDEF";
5416
5417         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_escape);
5418         VM_VarString(0, src, sizeof(src));
5419
5420         for(p = src, q = dest; *p && q < dest + sizeof(dest) - 3; ++p)
5421         {
5422                 if((*p >= 'A' && *p <= 'Z')
5423                         || (*p >= 'a' && *p <= 'z')
5424                         || (*p >= '0' && *p <= '9')
5425                         || (*p == '-')  || (*p == '_') || (*p == '.')
5426                         || (*p == '!')  || (*p == '~') || (*p == '*')
5427                         || (*p == '\'') || (*p == '(') || (*p == ')'))
5428                         *q++ = *p;
5429                 else
5430                 {
5431                         *q++ = '%';
5432                         *q++ = hex[(*(unsigned char *)p >> 4) & 0xF];
5433                         *q++ = hex[ *(unsigned char *)p       & 0xF];
5434                 }
5435         }
5436         *q++ = 0;
5437
5438         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
5439 }
5440
5441 // #510 string(string input, ...) uri_unescape (DP_QC_URI_ESCAPE)
5442 // does URI unescaping on a string (get back the evil stuff)
5443 void VM_uri_unescape (void)
5444 {
5445         char src[VM_STRINGTEMP_LENGTH];
5446         char dest[VM_STRINGTEMP_LENGTH];
5447         char *p, *q;
5448         int hi, lo;
5449
5450         VM_SAFEPARMCOUNTRANGE(1, 8, VM_uri_unescape);
5451         VM_VarString(0, src, sizeof(src));
5452
5453         for(p = src, q = dest; *p; ) // no need to check size, because unescape can't expand
5454         {
5455                 if(*p == '%')
5456                 {
5457                         if(p[1] >= '0' && p[1] <= '9')
5458                                 hi = p[1] - '0';
5459                         else if(p[1] >= 'a' && p[1] <= 'f')
5460                                 hi = p[1] - 'a' + 10;
5461                         else if(p[1] >= 'A' && p[1] <= 'F')
5462                                 hi = p[1] - 'A' + 10;
5463                         else
5464                                 goto nohex;
5465                         if(p[2] >= '0' && p[2] <= '9')
5466                                 lo = p[2] - '0';
5467                         else if(p[2] >= 'a' && p[2] <= 'f')
5468                                 lo = p[2] - 'a' + 10;
5469                         else if(p[2] >= 'A' && p[2] <= 'F')
5470                                 lo = p[2] - 'A' + 10;
5471                         else
5472                                 goto nohex;
5473                         if(hi != 0 || lo != 0) // don't unescape NUL bytes
5474                                 *q++ = (char) (hi * 0x10 + lo);
5475                         p += 3;
5476                         continue;
5477                 }
5478
5479 nohex:
5480                 // otherwise:
5481                 *q++ = *p++;
5482         }
5483         *q++ = 0;
5484
5485         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(dest);
5486 }
5487
5488 // #502 string(string filename) whichpack (DP_QC_WHICHPACK)
5489 // returns the name of the pack containing a file, or "" if it is not in any pack (but local or non-existant)
5490 void VM_whichpack (void)
5491 {
5492         const char *fn, *pack;
5493
5494         VM_SAFEPARMCOUNT(1, VM_whichpack);
5495         fn = PRVM_G_STRING(OFS_PARM0);
5496         pack = FS_WhichPack(fn);
5497
5498         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(pack ? pack : "");
5499 }
5500
5501 typedef struct
5502 {
5503         int prognr;
5504         double starttime;
5505         float id;
5506         char buffer[MAX_INPUTLINE];
5507 }
5508 uri_to_prog_t;
5509
5510 static void uri_to_string_callback(int status, size_t length_received, unsigned char *buffer, void *cbdata)
5511 {
5512         uri_to_prog_t *handle = (uri_to_prog_t *) cbdata;
5513
5514         if(!PRVM_ProgLoaded(handle->prognr))
5515         {
5516                 // curl reply came too late... so just drop it
5517                 Z_Free(handle);
5518                 return;
5519         }
5520                 
5521         PRVM_SetProg(handle->prognr);
5522         PRVM_Begin;
5523                 if((prog->starttime == handle->starttime) && (prog->funcoffsets.URI_Get_Callback))
5524                 {
5525                         if(length_received >= sizeof(handle->buffer))
5526                                 length_received = sizeof(handle->buffer) - 1;
5527                         handle->buffer[length_received] = 0;
5528                 
5529                         PRVM_G_FLOAT(OFS_PARM0) = handle->id;
5530                         PRVM_G_FLOAT(OFS_PARM1) = status;
5531                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(handle->buffer);
5532                         PRVM_ExecuteProgram(prog->funcoffsets.URI_Get_Callback, "QC function URI_Get_Callback is missing");
5533                 }
5534         PRVM_End;
5535         
5536         Z_Free(handle);
5537 }
5538
5539 // 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
5540 // 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
5541 void VM_uri_get (void)
5542 {
5543         const char *url;
5544         float id;
5545         qboolean ret;
5546         uri_to_prog_t *handle;
5547
5548         if(!prog->funcoffsets.URI_Get_Callback)
5549                 PRVM_ERROR("uri_get called by %s without URI_Get_Callback defined", PRVM_NAME);
5550
5551         VM_SAFEPARMCOUNT(2, VM_uri_get);
5552
5553         url = PRVM_G_STRING(OFS_PARM0);
5554         id = PRVM_G_FLOAT(OFS_PARM1);
5555         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!
5556
5557         handle->prognr = PRVM_GetProgNr();
5558         handle->starttime = prog->starttime;
5559         handle->id = id;
5560         ret = Curl_Begin_ToMemory(url, (unsigned char *) handle->buffer, sizeof(handle->buffer), uri_to_string_callback, handle);
5561         if(ret)
5562         {
5563                 PRVM_G_INT(OFS_RETURN) = 1;
5564         }
5565         else
5566         {
5567                 Z_Free(handle);
5568                 PRVM_G_INT(OFS_RETURN) = 0;
5569         }
5570 }
5571
5572 void VM_netaddress_resolve (void)
5573 {
5574         const char *ip;
5575         char normalized[128];
5576         int port;
5577         lhnetaddress_t addr;
5578
5579         VM_SAFEPARMCOUNTRANGE(1, 2, VM_netaddress_resolve);
5580
5581         ip = PRVM_G_STRING(OFS_PARM0);
5582         port = 0;
5583         if(prog->argc > 1)
5584                 port = (int) PRVM_G_FLOAT(OFS_PARM1);
5585
5586         if(LHNETADDRESS_FromString(&addr, ip, port) && LHNETADDRESS_ToString(&addr, normalized, sizeof(normalized), prog->argc > 1))
5587                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(normalized);
5588         else
5589                 PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString("");
5590 }
5591
5592 //string(void) getextresponse = #624; // returns the next extResponse packet that was sent to this client
5593 void VM_CL_getextresponse (void)
5594 {
5595         VM_SAFEPARMCOUNT(0,VM_argv);
5596
5597         if (cl_net_extresponse_count <= 0)
5598                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
5599         else
5600         {
5601                 int first;
5602                 --cl_net_extresponse_count;
5603                 first = (cl_net_extresponse_last + NET_EXTRESPONSE_MAX - cl_net_extresponse_count) % NET_EXTRESPONSE_MAX;
5604                 PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(cl_net_extresponse[first]);
5605         }
5606 }
5607
5608 void VM_SV_getextresponse (void)
5609 {
5610         VM_SAFEPARMCOUNT(0,VM_argv);
5611
5612         if (sv_net_extresponse_count <= 0)
5613                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
5614         else
5615         {
5616                 int first;
5617                 --sv_net_extresponse_count;
5618                 first = (sv_net_extresponse_last + NET_EXTRESPONSE_MAX - sv_net_extresponse_count) % NET_EXTRESPONSE_MAX;
5619                 PRVM_G_INT(OFS_RETURN) = PRVM_SetEngineString(sv_net_extresponse[first]);
5620         }
5621 }
5622
5623 /*
5624 =========
5625 VM_M_callfunction
5626
5627         callfunction(...,string function_name)
5628 Extension: pass
5629 =========
5630 */
5631 mfunction_t *PRVM_ED_FindFunction (const char *name);
5632 void VM_callfunction(void)
5633 {
5634         mfunction_t *func;
5635         const char *s;
5636
5637         VM_SAFEPARMCOUNTRANGE(1, 8, VM_callfunction);
5638
5639         s = PRVM_G_STRING(OFS_PARM0+(prog->argc - 1)*3);
5640
5641         VM_CheckEmptyString(s);
5642
5643         func = PRVM_ED_FindFunction(s);
5644
5645         if(!func)
5646                 PRVM_ERROR("VM_callfunciton: function %s not found !", s);
5647         else if (func->first_statement < 0)
5648         {
5649                 // negative statements are built in functions
5650                 int builtinnumber = -func->first_statement;
5651                 prog->xfunction->builtinsprofile++;
5652                 if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
5653                         prog->builtins[builtinnumber]();
5654                 else
5655                         PRVM_ERROR("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, PRVM_NAME);
5656         }
5657         else if(func - prog->functions > 0)
5658         {
5659                 prog->argc--;
5660                 PRVM_ExecuteProgram(func - prog->functions,"");
5661                 prog->argc++;
5662         }
5663 }
5664
5665 /*
5666 =========
5667 VM_isfunction
5668
5669 float   isfunction(string function_name)
5670 =========
5671 */
5672 mfunction_t *PRVM_ED_FindFunction (const char *name);
5673 void VM_isfunction(void)
5674 {
5675         mfunction_t *func;
5676         const char *s;
5677
5678         VM_SAFEPARMCOUNT(1, VM_isfunction);
5679
5680         s = PRVM_G_STRING(OFS_PARM0);
5681
5682         VM_CheckEmptyString(s);
5683
5684         func = PRVM_ED_FindFunction(s);
5685
5686         if(!func)
5687                 PRVM_G_FLOAT(OFS_RETURN) = false;
5688         else
5689                 PRVM_G_FLOAT(OFS_RETURN) = true;
5690 }
5691
5692 /*
5693 =========
5694 VM_sprintf
5695
5696 string sprintf(string format, ...)
5697 =========
5698 */
5699
5700 void VM_sprintf(void)
5701 {
5702         const char *s, *s0;
5703         char outbuf[MAX_INPUTLINE];
5704         char *o = outbuf, *end = outbuf + sizeof(outbuf), *err;
5705         int argpos = 1;
5706         int width, precision, thisarg, flags;
5707         char formatbuf[16];
5708         char *f;
5709         qboolean isfloat;
5710 #define PRINTF_ALTERNATE 1
5711 #define PRINTF_ZEROPAD 2
5712 #define PRINTF_LEFT 4
5713 #define PRINTF_SPACEPOSITIVE 8
5714 #define PRINTF_SIGNPOSITIVE 16
5715
5716         formatbuf[0] = '%';
5717
5718         s = PRVM_G_STRING(OFS_PARM0);
5719
5720 #define GETARG_FLOAT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_FLOAT(OFS_PARM0 + 3 * (a))) : 0)
5721 #define GETARG_INT(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_INT(OFS_PARM0 + 3 * (a))) : 0)
5722 #define GETARG_STRING(a) (((a)>=1 && (a)<prog->argc) ? (PRVM_G_STRING(OFS_PARM0 + 3 * (a))) : "")
5723
5724         for(;;)
5725         {
5726                 s0 = s;
5727                 switch(*s)
5728                 {
5729                         case 0:
5730                                 goto finished;
5731                                 break;
5732                         case '%':
5733                                 ++s;
5734
5735                                 if(*s == '%')
5736                                         goto verbatim;
5737
5738                                 // complete directive format:
5739                                 // %3$*1$.*2$ld
5740                                 
5741                                 width = -1;
5742                                 precision = -1;
5743                                 thisarg = -1;
5744                                 flags = 0;
5745
5746                                 // is number following?
5747                                 if(*s >= '0' && *s <= '9')
5748                                 {
5749                                         width = strtol(s, &err, 10);
5750                                         if(!err)
5751                                         {
5752                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
5753                                                 goto finished;
5754                                         }
5755                                         if(*err == '$')
5756                                         {
5757                                                 thisarg = width;
5758                                                 width = -1;
5759                                                 s = err + 1;
5760                                         }
5761                                         else
5762                                         {
5763                                                 if(*s == '0')
5764                                                 {
5765                                                         flags |= PRINTF_ZEROPAD;
5766                                                         if(width == 0)
5767                                                                 width = -1; // it was just a flag
5768                                                 }
5769                                                 s = err;
5770                                         }
5771                                 }
5772
5773                                 if(width < 0)
5774                                 {
5775                                         for(;;)
5776                                         {
5777                                                 switch(*s)
5778                                                 {
5779                                                         case '#': flags |= PRINTF_ALTERNATE; break;
5780                                                         case '0': flags |= PRINTF_ZEROPAD; break;
5781                                                         case '-': flags |= PRINTF_LEFT; break;
5782                                                         case ' ': flags |= PRINTF_SPACEPOSITIVE; break;
5783                                                         case '+': flags |= PRINTF_SIGNPOSITIVE; break;
5784                                                         default:
5785                                                                 goto noflags;
5786                                                 }
5787                                                 ++s;
5788                                         }
5789 noflags:
5790                                         if(*s == '*')
5791                                         {
5792                                                 ++s;
5793                                                 if(*s >= '0' && *s <= '9')
5794                                                 {
5795                                                         width = strtol(s, &err, 10);
5796                                                         if(!err || *err != '$')
5797                                                         {
5798                                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
5799                                                                 goto finished;
5800                                                         }
5801                                                         s = err + 1;
5802                                                 }
5803                                                 else
5804                                                         width = argpos++;
5805                                                 width = GETARG_FLOAT(width);
5806                                         }
5807                                         else if(*s >= '0' && *s <= '9')
5808                                         {
5809                                                 width = strtol(s, &err, 10);
5810                                                 if(!err)
5811                                                 {
5812                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
5813                                                         goto finished;
5814                                                 }
5815                                                 s = err;
5816                                         }
5817                                         if(width < 0)
5818                                         {
5819                                                 flags |= PRINTF_LEFT;
5820                                                 width = -width;
5821                                         }
5822                                 }
5823
5824                                 if(*s == '.')
5825                                 {
5826                                         ++s;
5827                                         if(*s == '*')
5828                                         {
5829                                                 ++s;
5830                                                 if(*s >= '0' && *s <= '9')
5831                                                 {
5832                                                         precision = strtol(s, &err, 10);
5833                                                         if(!err || *err != '$')
5834                                                         {
5835                                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
5836                                                                 goto finished;
5837                                                         }
5838                                                         s = err + 1;
5839                                                 }
5840                                                 else
5841                                                         precision = argpos++;
5842                                                 precision = GETARG_FLOAT(precision);
5843                                         }
5844                                         else if(*s >= '0' && *s <= '9')
5845                                         {
5846                                                 precision = strtol(s, &err, 10);
5847                                                 if(!err)
5848                                                 {
5849                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
5850                                                         goto finished;
5851                                                 }
5852                                                 s = err;
5853                                         }
5854                                         else
5855                                         {
5856                                                 VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
5857                                                 goto finished;
5858                                         }
5859                                 }
5860
5861                                 isfloat = true;
5862                                 for(;;)
5863                                 {
5864                                         switch(*s)
5865                                         {
5866                                                 case 'h': isfloat = true; break;
5867                                                 case 'l': isfloat = false; break;
5868                                                 case 'L': isfloat = false; break;
5869                                                 case 'j': break;
5870                                                 case 'z': break;
5871                                                 case 't': break;
5872                                                 default:
5873                                                         goto nolength;
5874                                         }
5875                                         ++s;
5876                                 }
5877 nolength:
5878
5879                                 if(thisarg < 0)
5880                                         thisarg = argpos++;
5881
5882                                 if(o < end - 1)
5883                                 {
5884                                         f = &formatbuf[1];
5885                                         if(*s != 's' && *s != 'c')
5886                                                 if(flags & PRINTF_ALTERNATE) *f++ = '#';
5887                                         if(flags & PRINTF_ZEROPAD) *f++ = '0';
5888                                         if(flags & PRINTF_LEFT) *f++ = '-';
5889                                         if(flags & PRINTF_SPACEPOSITIVE) *f++ = ' ';
5890                                         if(flags & PRINTF_SIGNPOSITIVE) *f++ = '+';
5891                                         *f++ = '*';
5892                                         *f++ = '.';
5893                                         *f++ = '*';
5894                                         *f++ = *s;
5895                                         *f++ = 0;
5896
5897                                         if(width < 0)
5898                                                 width = 0;
5899
5900                                         switch(*s)
5901                                         {
5902                                                 case 'd': case 'i':
5903                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (int) GETARG_FLOAT(thisarg) : (int) GETARG_INT(thisarg)));
5904                                                         break;
5905                                                 case 'o': case 'u': case 'x': case 'X':
5906                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
5907                                                         break;
5908                                                 case 'e': case 'E': case 'f': case 'F': case 'g': case 'G':
5909                                                         if(precision < 0)
5910                                                                 precision = 6;
5911                                                         o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (double) GETARG_FLOAT(thisarg) : (double) GETARG_INT(thisarg)));
5912                                                         break;
5913                                                 case 'c':
5914                                                         if(precision < 0)
5915                                                                 precision = end - o - 1;
5916                                                         if(flags & PRINTF_ALTERNATE)
5917                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg)));
5918                                                         else
5919                                                         {
5920                                                                 unsigned int c = (isfloat ? (unsigned int) GETARG_FLOAT(thisarg) : (unsigned int) GETARG_INT(thisarg));
5921                                                                 const char *buf = u8_encodech(c, NULL);
5922                                                                 if(!buf)
5923                                                                         buf = "";
5924                                                                 o += u8_strpad(o, end - o, buf, (flags & PRINTF_LEFT) != 0, width, precision);
5925                                                         }
5926                                                         break;
5927                                                 case 's':
5928                                                         if(precision < 0)
5929                                                                 precision = end - o - 1;
5930                                                         if(flags & PRINTF_ALTERNATE)
5931                                                                 o += dpsnprintf(o, end - o, formatbuf, width, precision, GETARG_STRING(thisarg));
5932                                                         else
5933                                                                 o += u8_strpad(o, end - o, GETARG_STRING(thisarg), (flags & PRINTF_LEFT) != 0, width, precision);
5934                                                         break;
5935                                                 default:
5936                                                         VM_Warning("VM_sprintf: invalid directive in %s: %s\n", PRVM_NAME, s0);
5937                                                         goto finished;
5938                                         }
5939                                 }
5940                                 ++s;
5941                                 break;
5942                         default:
5943 verbatim:
5944                                 if(o < end - 1)
5945                                         *o++ = *s++;
5946                                 break;
5947                 }
5948         }
5949 finished:
5950         *o = 0;
5951         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(outbuf);
5952 }