ea5ea17042a1b4f850580627e2abc7410d9a072d
[xonotic/darkplaces.git] / clvm_cmds.c
1 #include "quakedef.h"
2
3 #include "prvm_cmds.h"
4 #include "csprogs.h"
5 #include "cl_collision.h"
6 #include "r_shadow.h"
7 #include "jpeg.h"
8 #include "image.h"
9
10 //============================================================================
11 // Client
12 //[515]: unsolved PROBLEMS
13 //- finish player physics code (cs_runplayerphysics)
14 //- EntWasFreed ?
15 //- RF_DEPTHHACK is not like it should be
16 //- add builtin that sets cl.viewangles instead of reading "input_angles" global
17 //- finish lines support for R_Polygon***
18 //- insert selecttraceline into traceline somehow
19
20 //4 feature darkplaces csqc: add builtin to clientside qc for reading triangles of model meshes (useful to orient a ui along a triangle of a model mesh)
21 //4 feature darkplaces csqc: add builtins to clientside qc for gl calls
22
23 extern cvar_t v_flipped;
24 extern cvar_t r_equalize_entities_fullbright;
25
26 sfx_t *S_FindName(const char *name);
27 int Sbar_GetSortedPlayerIndex (int index);
28 void Sbar_SortFrags (void);
29 void CL_FindNonSolidLocation(const vec3_t in, vec3_t out, vec_t radius);
30 void CSQC_RelinkAllEntities (int drawmask);
31 void CSQC_RelinkCSQCEntities (void);
32
33 // #1 void(vector ang) makevectors
34 static void VM_CL_makevectors (void)
35 {
36         VM_SAFEPARMCOUNT(1, VM_CL_makevectors);
37         AngleVectors (PRVM_G_VECTOR(OFS_PARM0), prog->globals.client->v_forward, prog->globals.client->v_right, prog->globals.client->v_up);
38 }
39
40 // #2 void(entity e, vector o) setorigin
41 void VM_CL_setorigin (void)
42 {
43         prvm_edict_t    *e;
44         float   *org;
45         VM_SAFEPARMCOUNT(2, VM_CL_setorigin);
46
47         e = PRVM_G_EDICT(OFS_PARM0);
48         if (e == prog->edicts)
49         {
50                 VM_Warning("setorigin: can not modify world entity\n");
51                 return;
52         }
53         if (e->priv.required->free)
54         {
55                 VM_Warning("setorigin: can not modify free entity\n");
56                 return;
57         }
58         org = PRVM_G_VECTOR(OFS_PARM1);
59         VectorCopy (org, e->fields.client->origin);
60         CL_LinkEdict(e);
61 }
62
63 static void SetMinMaxSize (prvm_edict_t *e, float *min, float *max)
64 {
65         int             i;
66
67         for (i=0 ; i<3 ; i++)
68                 if (min[i] > max[i])
69                         PRVM_ERROR("SetMinMaxSize: backwards mins/maxs");
70
71         // set derived values
72         VectorCopy (min, e->fields.client->mins);
73         VectorCopy (max, e->fields.client->maxs);
74         VectorSubtract (max, min, e->fields.client->size);
75
76         CL_LinkEdict (e);
77 }
78
79 // #3 void(entity e, string m) setmodel
80 void VM_CL_setmodel (void)
81 {
82         prvm_edict_t    *e;
83         const char              *m;
84         dp_model_t *mod;
85         int                             i;
86
87         VM_SAFEPARMCOUNT(2, VM_CL_setmodel);
88
89         e = PRVM_G_EDICT(OFS_PARM0);
90         e->fields.client->modelindex = 0;
91         e->fields.client->model = 0;
92
93         m = PRVM_G_STRING(OFS_PARM1);
94         mod = NULL;
95         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
96         {
97                 if (!strcmp(cl.csqc_model_precache[i]->name, m))
98                 {
99                         mod = cl.csqc_model_precache[i];
100                         e->fields.client->model = PRVM_SetEngineString(mod->name);
101                         e->fields.client->modelindex = -(i+1);
102                         break;
103                 }
104         }
105
106         if( !mod ) {
107                 for (i = 0;i < MAX_MODELS;i++)
108                 {
109                         mod = cl.model_precache[i];
110                         if (mod && !strcmp(mod->name, m))
111                         {
112                                 e->fields.client->model = PRVM_SetEngineString(mod->name);
113                                 e->fields.client->modelindex = i;
114                                 break;
115                         }
116                 }
117         }
118
119         if( mod ) {
120                 // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
121                 //SetMinMaxSize (e, mod->normalmins, mod->normalmaxs);
122         }
123         else
124         {
125                 SetMinMaxSize (e, vec3_origin, vec3_origin);
126                 VM_Warning ("setmodel: model '%s' not precached\n", m);
127         }
128 }
129
130 // #4 void(entity e, vector min, vector max) setsize
131 static void VM_CL_setsize (void)
132 {
133         prvm_edict_t    *e;
134         float                   *min, *max;
135         VM_SAFEPARMCOUNT(3, VM_CL_setsize);
136
137         e = PRVM_G_EDICT(OFS_PARM0);
138         if (e == prog->edicts)
139         {
140                 VM_Warning("setsize: can not modify world entity\n");
141                 return;
142         }
143         if (e->priv.server->free)
144         {
145                 VM_Warning("setsize: can not modify free entity\n");
146                 return;
147         }
148         min = PRVM_G_VECTOR(OFS_PARM1);
149         max = PRVM_G_VECTOR(OFS_PARM2);
150
151         SetMinMaxSize( e, min, max );
152
153         CL_LinkEdict(e);
154 }
155
156 // #8 void(entity e, float chan, string samp, float volume, float atten) sound
157 static void VM_CL_sound (void)
158 {
159         const char                      *sample;
160         int                                     channel;
161         prvm_edict_t            *entity;
162         float                           volume;
163         float                           attenuation;
164         vec3_t                          org;
165
166         VM_SAFEPARMCOUNT(5, VM_CL_sound);
167
168         entity = PRVM_G_EDICT(OFS_PARM0);
169         channel = (int)PRVM_G_FLOAT(OFS_PARM1);
170         sample = PRVM_G_STRING(OFS_PARM2);
171         volume = PRVM_G_FLOAT(OFS_PARM3);
172         attenuation = PRVM_G_FLOAT(OFS_PARM4);
173
174         if (volume < 0 || volume > 1)
175         {
176                 VM_Warning("VM_CL_sound: volume must be in range 0-1\n");
177                 return;
178         }
179
180         if (attenuation < 0 || attenuation > 4)
181         {
182                 VM_Warning("VM_CL_sound: attenuation must be in range 0-4\n");
183                 return;
184         }
185
186         if (channel < 0 || channel > 7)
187         {
188                 VM_Warning("VM_CL_sound: channel must be in range 0-7\n");
189                 return;
190         }
191
192         CL_VM_GetEntitySoundOrigin(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), org);
193         S_StartSound(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), channel, S_FindName(sample), org, volume, attenuation);
194 }
195
196 // #483 void(vector origin, string sample, float volume, float attenuation) pointsound
197 static void VM_CL_pointsound(void)
198 {
199         const char                      *sample;
200         float                           volume;
201         float                           attenuation;
202         vec3_t                          org;
203
204         VM_SAFEPARMCOUNT(4, VM_CL_pointsound);
205
206         VectorCopy( PRVM_G_VECTOR(OFS_PARM0), org);
207         sample = PRVM_G_STRING(OFS_PARM1);
208         volume = PRVM_G_FLOAT(OFS_PARM2);
209         attenuation = PRVM_G_FLOAT(OFS_PARM3);
210
211         if (volume < 0 || volume > 1)
212         {
213                 VM_Warning("VM_CL_pointsound: volume must be in range 0-1\n");
214                 return;
215         }
216
217         if (attenuation < 0 || attenuation > 4)
218         {
219                 VM_Warning("VM_CL_pointsound: attenuation must be in range 0-4\n");
220                 return;
221         }
222
223         // Send World Entity as Entity to Play Sound (for CSQC, that is MAX_EDICTS)
224         S_StartSound(MAX_EDICTS, 0, S_FindName(sample), org, volume, attenuation);
225 }
226
227 // #14 entity() spawn
228 static void VM_CL_spawn (void)
229 {
230         prvm_edict_t *ed;
231         ed = PRVM_ED_Alloc();
232         VM_RETURN_EDICT(ed);
233 }
234
235 void CL_VM_SetTraceGlobals(const trace_t *trace, int svent)
236 {
237         VM_SetTraceGlobals(trace);
238         PRVM_clientglobalfloat(trace_networkentity) = svent;
239 }
240
241 #define CL_HitNetworkBrushModels(move) !((move) == MOVE_WORLDONLY)
242 #define CL_HitNetworkPlayers(move)     !((move) == MOVE_WORLDONLY || (move) == MOVE_NOMONSTERS)
243
244 // #16 void(vector v1, vector v2, float movetype, entity ignore) traceline
245 static void VM_CL_traceline (void)
246 {
247         float   *v1, *v2;
248         trace_t trace;
249         int             move, svent;
250         prvm_edict_t    *ent;
251
252 //      R_TimeReport("pretraceline");
253
254         VM_SAFEPARMCOUNTRANGE(4, 4, VM_CL_traceline);
255
256         prog->xfunction->builtinsprofile += 30;
257
258         v1 = PRVM_G_VECTOR(OFS_PARM0);
259         v2 = PRVM_G_VECTOR(OFS_PARM1);
260         move = (int)PRVM_G_FLOAT(OFS_PARM2);
261         ent = PRVM_G_EDICT(OFS_PARM3);
262
263         if (IS_NAN(v1[0]) || IS_NAN(v1[1]) || IS_NAN(v1[2]) || IS_NAN(v2[0]) || IS_NAN(v2[1]) || IS_NAN(v2[2]))
264                 PRVM_ERROR("%s: NAN errors detected in traceline('%f %f %f', '%f %f %f', %i, entity %i)\n", PRVM_NAME, v1[0], v1[1], v1[2], v2[0], v2[1], v2[2], move, PRVM_EDICT_TO_PROG(ent));
265
266         trace = CL_TraceLine(v1, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true, false);
267
268         CL_VM_SetTraceGlobals(&trace, svent);
269 //      R_TimeReport("traceline");
270 }
271
272 /*
273 =================
274 VM_CL_tracebox
275
276 Used for use tracing and shot targeting
277 Traces are blocked by bbox and exact bsp entityes, and also slide box entities
278 if the tryents flag is set.
279
280 tracebox (vector1, vector mins, vector maxs, vector2, tryents)
281 =================
282 */
283 // LordHavoc: added this for my own use, VERY useful, similar to traceline
284 static void VM_CL_tracebox (void)
285 {
286         float   *v1, *v2, *m1, *m2;
287         trace_t trace;
288         int             move, svent;
289         prvm_edict_t    *ent;
290
291 //      R_TimeReport("pretracebox");
292         VM_SAFEPARMCOUNTRANGE(6, 8, VM_CL_tracebox); // allow more parameters for future expansion
293
294         prog->xfunction->builtinsprofile += 30;
295
296         v1 = PRVM_G_VECTOR(OFS_PARM0);
297         m1 = PRVM_G_VECTOR(OFS_PARM1);
298         m2 = PRVM_G_VECTOR(OFS_PARM2);
299         v2 = PRVM_G_VECTOR(OFS_PARM3);
300         move = (int)PRVM_G_FLOAT(OFS_PARM4);
301         ent = PRVM_G_EDICT(OFS_PARM5);
302
303         if (IS_NAN(v1[0]) || IS_NAN(v1[1]) || IS_NAN(v1[2]) || IS_NAN(v2[0]) || IS_NAN(v2[1]) || IS_NAN(v2[2]))
304                 PRVM_ERROR("%s: NAN errors detected in tracebox('%f %f %f', '%f %f %f', '%f %f %f', '%f %f %f', %i, entity %i)\n", PRVM_NAME, v1[0], v1[1], v1[2], m1[0], m1[1], m1[2], m2[0], m2[1], m2[2], v2[0], v2[1], v2[2], move, PRVM_EDICT_TO_PROG(ent));
305
306         trace = CL_TraceBox(v1, m1, m2, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
307
308         CL_VM_SetTraceGlobals(&trace, svent);
309 //      R_TimeReport("tracebox");
310 }
311
312 trace_t CL_Trace_Toss (prvm_edict_t *tossent, prvm_edict_t *ignore, int *svent)
313 {
314         int i;
315         float gravity;
316         vec3_t move, end;
317         vec3_t original_origin;
318         vec3_t original_velocity;
319         vec3_t original_angles;
320         vec3_t original_avelocity;
321         trace_t trace;
322
323         VectorCopy(tossent->fields.client->origin   , original_origin   );
324         VectorCopy(tossent->fields.client->velocity , original_velocity );
325         VectorCopy(tossent->fields.client->angles   , original_angles   );
326         VectorCopy(tossent->fields.client->avelocity, original_avelocity);
327
328         gravity = PRVM_clientedictfloat(tossent, gravity);
329         if (!gravity)
330                 gravity = 1.0f;
331         gravity *= cl.movevars_gravity * 0.05;
332
333         for (i = 0;i < 200;i++) // LordHavoc: sanity check; never trace more than 10 seconds
334         {
335                 tossent->fields.client->velocity[2] -= gravity;
336                 VectorMA (tossent->fields.client->angles, 0.05, tossent->fields.client->avelocity, tossent->fields.client->angles);
337                 VectorScale (tossent->fields.client->velocity, 0.05, move);
338                 VectorAdd (tossent->fields.client->origin, move, end);
339                 trace = CL_TraceBox(tossent->fields.client->origin, tossent->fields.client->mins, tossent->fields.client->maxs, end, MOVE_NORMAL, tossent, CL_GenericHitSuperContentsMask(tossent), true, true, NULL, true);
340                 VectorCopy (trace.endpos, tossent->fields.client->origin);
341
342                 if (trace.fraction < 1)
343                         break;
344         }
345
346         VectorCopy(original_origin   , tossent->fields.client->origin   );
347         VectorCopy(original_velocity , tossent->fields.client->velocity );
348         VectorCopy(original_angles   , tossent->fields.client->angles   );
349         VectorCopy(original_avelocity, tossent->fields.client->avelocity);
350
351         return trace;
352 }
353
354 static void VM_CL_tracetoss (void)
355 {
356         trace_t trace;
357         prvm_edict_t    *ent;
358         prvm_edict_t    *ignore;
359         int svent = 0;
360
361         prog->xfunction->builtinsprofile += 600;
362
363         VM_SAFEPARMCOUNT(2, VM_CL_tracetoss);
364
365         ent = PRVM_G_EDICT(OFS_PARM0);
366         if (ent == prog->edicts)
367         {
368                 VM_Warning("tracetoss: can not use world entity\n");
369                 return;
370         }
371         ignore = PRVM_G_EDICT(OFS_PARM1);
372
373         trace = CL_Trace_Toss (ent, ignore, &svent);
374
375         CL_VM_SetTraceGlobals(&trace, svent);
376 }
377
378
379 // #20 void(string s) precache_model
380 void VM_CL_precache_model (void)
381 {
382         const char      *name;
383         int                     i;
384         dp_model_t              *m;
385
386         VM_SAFEPARMCOUNT(1, VM_CL_precache_model);
387
388         name = PRVM_G_STRING(OFS_PARM0);
389         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
390         {
391                 if(!strcmp(cl.csqc_model_precache[i]->name, name))
392                 {
393                         PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
394                         return;
395                 }
396         }
397         PRVM_G_FLOAT(OFS_RETURN) = 0;
398         m = Mod_ForName(name, false, false, name[0] == '*' ? cl.model_name[1] : NULL);
399         if(m && m->loaded)
400         {
401                 for (i = 0;i < MAX_MODELS;i++)
402                 {
403                         if (!cl.csqc_model_precache[i])
404                         {
405                                 cl.csqc_model_precache[i] = (dp_model_t*)m;
406                                 PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
407                                 return;
408                         }
409                 }
410                 VM_Warning("VM_CL_precache_model: no free models\n");
411                 return;
412         }
413         VM_Warning("VM_CL_precache_model: model \"%s\" not found\n", name);
414 }
415
416 int CSQC_EntitiesInBox (vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
417 {
418         prvm_edict_t    *ent;
419         int                             i, k;
420
421         ent = PRVM_NEXT_EDICT(prog->edicts);
422         for(k=0,i=1; i<prog->num_edicts ;i++, ent = PRVM_NEXT_EDICT(ent))
423         {
424                 if (ent->priv.required->free)
425                         continue;
426                 if(BoxesOverlap(mins, maxs, ent->fields.client->absmin, ent->fields.client->absmax))
427                         list[k++] = ent;
428         }
429         return k;
430 }
431
432 // #22 entity(vector org, float rad) findradius
433 static void VM_CL_findradius (void)
434 {
435         prvm_edict_t    *ent, *chain;
436         vec_t                   radius, radius2;
437         vec3_t                  org, eorg, mins, maxs;
438         int                             i, numtouchedicts;
439         static prvm_edict_t     *touchedicts[MAX_EDICTS];
440         int             chainfield;
441
442         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_findradius);
443
444         if(prog->argc == 3)
445                 chainfield = PRVM_G_INT(OFS_PARM2);
446         else
447                 chainfield = prog->fieldoffsets.chain;
448         if(chainfield < 0)
449                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
450
451         chain = (prvm_edict_t *)prog->edicts;
452
453         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
454         radius = PRVM_G_FLOAT(OFS_PARM1);
455         radius2 = radius * radius;
456
457         mins[0] = org[0] - (radius + 1);
458         mins[1] = org[1] - (radius + 1);
459         mins[2] = org[2] - (radius + 1);
460         maxs[0] = org[0] + (radius + 1);
461         maxs[1] = org[1] + (radius + 1);
462         maxs[2] = org[2] + (radius + 1);
463         numtouchedicts = CSQC_EntitiesInBox(mins, maxs, MAX_EDICTS, touchedicts);
464         if (numtouchedicts > MAX_EDICTS)
465         {
466                 // this never happens   //[515]: for what then ?
467                 Con_Printf("CSQC_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
468                 numtouchedicts = MAX_EDICTS;
469         }
470         for (i = 0;i < numtouchedicts;i++)
471         {
472                 ent = touchedicts[i];
473                 // Quake did not return non-solid entities but darkplaces does
474                 // (note: this is the reason you can't blow up fallen zombies)
475                 if (ent->fields.client->solid == SOLID_NOT && !sv_gameplayfix_blowupfallenzombies.integer)
476                         continue;
477                 // LordHavoc: compare against bounding box rather than center so it
478                 // doesn't miss large objects, and use DotProduct instead of Length
479                 // for a major speedup
480                 VectorSubtract(org, ent->fields.client->origin, eorg);
481                 if (sv_gameplayfix_findradiusdistancetobox.integer)
482                 {
483                         eorg[0] -= bound(ent->fields.client->mins[0], eorg[0], ent->fields.client->maxs[0]);
484                         eorg[1] -= bound(ent->fields.client->mins[1], eorg[1], ent->fields.client->maxs[1]);
485                         eorg[2] -= bound(ent->fields.client->mins[2], eorg[2], ent->fields.client->maxs[2]);
486                 }
487                 else
488                         VectorMAMAM(1, eorg, -0.5f, ent->fields.client->mins, -0.5f, ent->fields.client->maxs, eorg);
489                 if (DotProduct(eorg, eorg) < radius2)
490                 {
491                         PRVM_EDICTFIELDEDICT(ent, chainfield) = PRVM_EDICT_TO_PROG(chain);
492                         chain = ent;
493                 }
494         }
495
496         VM_RETURN_EDICT(chain);
497 }
498
499 // #34 float() droptofloor
500 static void VM_CL_droptofloor (void)
501 {
502         prvm_edict_t            *ent;
503         vec3_t                          end;
504         trace_t                         trace;
505
506         VM_SAFEPARMCOUNTRANGE(0, 2, VM_CL_droptofloor); // allow 2 parameters because the id1 defs.qc had an incorrect prototype
507
508         // assume failure if it returns early
509         PRVM_G_FLOAT(OFS_RETURN) = 0;
510
511         ent = PRVM_PROG_TO_EDICT(prog->globals.client->self);
512         if (ent == prog->edicts)
513         {
514                 VM_Warning("droptofloor: can not modify world entity\n");
515                 return;
516         }
517         if (ent->priv.server->free)
518         {
519                 VM_Warning("droptofloor: can not modify free entity\n");
520                 return;
521         }
522
523         VectorCopy (ent->fields.client->origin, end);
524         end[2] -= 256;
525
526         trace = CL_TraceBox(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
527
528         if (trace.fraction != 1)
529         {
530                 VectorCopy (trace.endpos, ent->fields.client->origin);
531                 ent->fields.client->flags = (int)ent->fields.client->flags | FL_ONGROUND;
532                 PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
533                 PRVM_G_FLOAT(OFS_RETURN) = 1;
534                 // if support is destroyed, keep suspended (gross hack for floating items in various maps)
535 //              ent->priv.server->suspendedinairflag = true;
536         }
537 }
538
539 // #35 void(float style, string value) lightstyle
540 static void VM_CL_lightstyle (void)
541 {
542         int                     i;
543         const char      *c;
544
545         VM_SAFEPARMCOUNT(2, VM_CL_lightstyle);
546
547         i = (int)PRVM_G_FLOAT(OFS_PARM0);
548         c = PRVM_G_STRING(OFS_PARM1);
549         if (i >= cl.max_lightstyle)
550         {
551                 VM_Warning("VM_CL_lightstyle >= MAX_LIGHTSTYLES\n");
552                 return;
553         }
554         strlcpy (cl.lightstyle[i].map, c, sizeof (cl.lightstyle[i].map));
555         cl.lightstyle[i].map[MAX_STYLESTRING - 1] = 0;
556         cl.lightstyle[i].length = (int)strlen(cl.lightstyle[i].map);
557 }
558
559 // #40 float(entity e) checkbottom
560 static void VM_CL_checkbottom (void)
561 {
562         static int              cs_yes, cs_no;
563         prvm_edict_t    *ent;
564         vec3_t                  mins, maxs, start, stop;
565         trace_t                 trace;
566         int                             x, y;
567         float                   mid, bottom;
568
569         VM_SAFEPARMCOUNT(1, VM_CL_checkbottom);
570         ent = PRVM_G_EDICT(OFS_PARM0);
571         PRVM_G_FLOAT(OFS_RETURN) = 0;
572
573         VectorAdd (ent->fields.client->origin, ent->fields.client->mins, mins);
574         VectorAdd (ent->fields.client->origin, ent->fields.client->maxs, maxs);
575
576 // if all of the points under the corners are solid world, don't bother
577 // with the tougher checks
578 // the corners must be within 16 of the midpoint
579         start[2] = mins[2] - 1;
580         for     (x=0 ; x<=1 ; x++)
581                 for     (y=0 ; y<=1 ; y++)
582                 {
583                         start[0] = x ? maxs[0] : mins[0];
584                         start[1] = y ? maxs[1] : mins[1];
585                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
586                                 goto realcheck;
587                 }
588
589         cs_yes++;
590         PRVM_G_FLOAT(OFS_RETURN) = true;
591         return;         // we got out easy
592
593 realcheck:
594         cs_no++;
595 //
596 // check it for real...
597 //
598         start[2] = mins[2];
599
600 // the midpoint must be within 16 of the bottom
601         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
602         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
603         stop[2] = start[2] - 2*sv_stepheight.value;
604         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true, false);
605
606         if (trace.fraction == 1.0)
607                 return;
608
609         mid = bottom = trace.endpos[2];
610
611 // the corners must be within 16 of the midpoint
612         for     (x=0 ; x<=1 ; x++)
613                 for     (y=0 ; y<=1 ; y++)
614                 {
615                         start[0] = stop[0] = x ? maxs[0] : mins[0];
616                         start[1] = stop[1] = y ? maxs[1] : mins[1];
617
618                         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true, false);
619
620                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
621                                 bottom = trace.endpos[2];
622                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
623                                 return;
624                 }
625
626         cs_yes++;
627         PRVM_G_FLOAT(OFS_RETURN) = true;
628 }
629
630 // #41 float(vector v) pointcontents
631 static void VM_CL_pointcontents (void)
632 {
633         VM_SAFEPARMCOUNT(1, VM_CL_pointcontents);
634         PRVM_G_FLOAT(OFS_RETURN) = Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CL_PointSuperContents(PRVM_G_VECTOR(OFS_PARM0)));
635 }
636
637 // #48 void(vector o, vector d, float color, float count) particle
638 static void VM_CL_particle (void)
639 {
640         float   *org, *dir;
641         int             count;
642         unsigned char   color;
643         VM_SAFEPARMCOUNT(4, VM_CL_particle);
644
645         org = PRVM_G_VECTOR(OFS_PARM0);
646         dir = PRVM_G_VECTOR(OFS_PARM1);
647         color = (int)PRVM_G_FLOAT(OFS_PARM2);
648         count = (int)PRVM_G_FLOAT(OFS_PARM3);
649         CL_ParticleEffect(EFFECT_SVC_PARTICLE, count, org, org, dir, dir, NULL, color);
650 }
651
652 // #74 void(vector pos, string samp, float vol, float atten) ambientsound
653 static void VM_CL_ambientsound (void)
654 {
655         float   *f;
656         sfx_t   *s;
657         VM_SAFEPARMCOUNT(4, VM_CL_ambientsound);
658         s = S_FindName(PRVM_G_STRING(OFS_PARM0));
659         f = PRVM_G_VECTOR(OFS_PARM1);
660         S_StaticSound (s, f, PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM3)*64);
661 }
662
663 // #92 vector(vector org[, float lpflag]) getlight (DP_QC_GETLIGHT)
664 static void VM_CL_getlight (void)
665 {
666         vec3_t ambientcolor, diffusecolor, diffusenormal;
667         vec_t *p;
668
669         VM_SAFEPARMCOUNTRANGE(1, 2, VM_CL_getlight);
670
671         p = PRVM_G_VECTOR(OFS_PARM0);
672         VectorClear(ambientcolor);
673         VectorClear(diffusecolor);
674         VectorClear(diffusenormal);
675         if (prog->argc >= 2)
676                 R_CompleteLightPoint(ambientcolor, diffusecolor, diffusenormal, p, PRVM_G_FLOAT(OFS_PARM1));
677         else if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
678                 cl.worldmodel->brush.LightPoint(cl.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
679         VectorMA(ambientcolor, 0.5, diffusecolor, PRVM_G_VECTOR(OFS_RETURN));
680 }
681
682 //============================================================================
683 //[515]: SCENE MANAGER builtins
684 extern qboolean CSQC_AddRenderEdict (prvm_edict_t *ed, int edictnum);//csprogs.c
685
686 static void CSQC_R_RecalcView (void)
687 {
688         extern matrix4x4_t viewmodelmatrix;
689         Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, cl.csqc_vieworigin[0], cl.csqc_vieworigin[1], cl.csqc_vieworigin[2], cl.csqc_viewangles[0], cl.csqc_viewangles[1], cl.csqc_viewangles[2], 1);
690         Matrix4x4_CreateFromQuakeEntity(&viewmodelmatrix, cl.csqc_vieworigin[0], cl.csqc_vieworigin[1], cl.csqc_vieworigin[2], cl.csqc_viewangles[0], cl.csqc_viewangles[1], cl.csqc_viewangles[2], cl_viewmodel_scale.value);
691 }
692
693 void CL_RelinkLightFlashes(void);
694 //#300 void() clearscene (EXT_CSQC)
695 void VM_CL_R_ClearScene (void)
696 {
697         VM_SAFEPARMCOUNT(0, VM_CL_R_ClearScene);
698         // clear renderable entity and light lists
699         r_refdef.scene.numentities = 0;
700         r_refdef.scene.numlights = 0;
701         // FIXME: restore these to the values from VM_CL_UpdateView
702         r_refdef.view.x = 0;
703         r_refdef.view.y = 0;
704         r_refdef.view.z = 0;
705         r_refdef.view.width = vid.width;
706         r_refdef.view.height = vid.height;
707         r_refdef.view.depth = 1;
708         // FIXME: restore frustum_x/frustum_y
709         r_refdef.view.useperspective = true;
710         r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
711         r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
712         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
713         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
714         r_refdef.view.ortho_x = scr_fov.value * (3.0 / 4.0) * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
715         r_refdef.view.ortho_y = scr_fov.value * (3.0 / 4.0);
716         r_refdef.view.clear = true;
717         r_refdef.view.isoverlay = false;
718         VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
719         VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
720         cl.csqc_vidvars.drawworld = r_drawworld.integer != 0;
721         cl.csqc_vidvars.drawenginesbar = false;
722         cl.csqc_vidvars.drawcrosshair = false;
723 }
724
725 //#301 void(float mask) addentities (EXT_CSQC)
726 extern void CSQC_Predraw (prvm_edict_t *ed);//csprogs.c
727 extern void CSQC_Think (prvm_edict_t *ed);//csprogs.c
728 void VM_CL_R_AddEntities (void)
729 {
730         double t = Sys_DoubleTime();
731         int                     i, drawmask;
732         prvm_edict_t *ed;
733         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntities);
734         drawmask = (int)PRVM_G_FLOAT(OFS_PARM0);
735         CSQC_RelinkAllEntities(drawmask);
736         CL_RelinkLightFlashes();
737
738         prog->globals.client->time = cl.time;
739         for(i=1;i<prog->num_edicts;i++)
740         {
741                 // so we can easily check if CSQC entity #edictnum is currently drawn
742                 cl.csqcrenderentities[i].entitynumber = 0;
743                 ed = &prog->edicts[i];
744                 if(ed->priv.required->free)
745                         continue;
746                 CSQC_Think(ed);
747                 if(ed->priv.required->free)
748                         continue;
749                 // note that for RF_USEAXIS entities, Predraw sets v_forward/v_right/v_up globals that are read by CSQC_AddRenderEdict
750                 CSQC_Predraw(ed);
751                 if(ed->priv.required->free)
752                         continue;
753                 if(!((int)ed->fields.client->drawmask & drawmask))
754                         continue;
755                 CSQC_AddRenderEdict(ed, i);
756         }
757
758         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
759         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
760 }
761
762 //#302 void(entity ent) addentity (EXT_CSQC)
763 void VM_CL_R_AddEntity (void)
764 {
765         double t = Sys_DoubleTime();
766         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntity);
767         CSQC_AddRenderEdict(PRVM_G_EDICT(OFS_PARM0), 0);
768         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
769 }
770
771 //#303 float(float property, ...) setproperty (EXT_CSQC)
772 //#303 float(float property) getproperty
773 //#303 vector(float property) getpropertyvec
774 // VorteX: make this function be able to return previously set property if new value is not given
775 void VM_CL_R_SetView (void)
776 {
777         int             c;
778         float   *f;
779         float   k;
780
781         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_R_SetView);
782
783         c = (int)PRVM_G_FLOAT(OFS_PARM0);
784
785         // return value?
786         if (prog->argc < 2)
787         {
788                 switch(c)
789                 {
790                 case VF_MIN:
791                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.x, r_refdef.view.y, 0);
792                         break;
793                 case VF_MIN_X:
794                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.x;
795                         break;
796                 case VF_MIN_Y:
797                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.y;
798                         break;
799                 case VF_SIZE:
800                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.width, r_refdef.view.height, 0);
801                         break;
802                 case VF_SIZE_X:
803                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.width;
804                         break;
805                 case VF_SIZE_Y:
806                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.height;
807                         break;
808                 case VF_VIEWPORT:
809                         VM_Warning("VM_CL_R_GetView : VF_VIEWPORT can't be retrieved, use VF_MIN/VF_SIZE instead\n");
810                         break;
811                 case VF_FOV:
812                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.ortho_x, r_refdef.view.ortho_y, 0);
813                         break;
814                 case VF_FOVX:
815                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_x;
816                         break;
817                 case VF_FOVY:
818                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_y;
819                         break;
820                 case VF_ORIGIN:
821                         VectorCopy(cl.csqc_vieworigin, PRVM_G_VECTOR(OFS_RETURN));
822                         break;
823                 case VF_ORIGIN_X:
824                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[0];
825                         break;
826                 case VF_ORIGIN_Y:
827                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[1];
828                         break;
829                 case VF_ORIGIN_Z:
830                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[2];
831                         break;
832                 case VF_ANGLES:
833                         VectorCopy(cl.csqc_viewangles, PRVM_G_VECTOR(OFS_RETURN));
834                         break;
835                 case VF_ANGLES_X:
836                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[0];
837                         break;
838                 case VF_ANGLES_Y:
839                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[1];
840                         break;
841                 case VF_ANGLES_Z:
842                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[2];
843                         break;
844                 case VF_DRAWWORLD:
845                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawworld;
846                         break;
847                 case VF_DRAWENGINESBAR:
848                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawenginesbar;
849                         break;
850                 case VF_DRAWCROSSHAIR:
851                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawcrosshair;
852                         break;
853                 case VF_CL_VIEWANGLES:
854                         VectorCopy(cl.viewangles, PRVM_G_VECTOR(OFS_RETURN));;
855                         break;
856                 case VF_CL_VIEWANGLES_X:
857                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[0];
858                         break;
859                 case VF_CL_VIEWANGLES_Y:
860                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[1];
861                         break;
862                 case VF_CL_VIEWANGLES_Z:
863                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[2];
864                         break;
865                 case VF_PERSPECTIVE:
866                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.useperspective;
867                         break;
868                 case VF_CLEARSCREEN:
869                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.isoverlay;
870                         break;
871                 default:
872                         PRVM_G_FLOAT(OFS_RETURN) = 0;
873                         VM_Warning("VM_CL_R_GetView : unknown parm %i\n", c);
874                         return;
875                 }
876                 return;
877         }
878
879         f = PRVM_G_VECTOR(OFS_PARM1);
880         k = PRVM_G_FLOAT(OFS_PARM1);
881         switch(c)
882         {
883         case VF_MIN:
884                 r_refdef.view.x = (int)(f[0]);
885                 r_refdef.view.y = (int)(f[1]);
886                 DrawQ_RecalcView();
887                 break;
888         case VF_MIN_X:
889                 r_refdef.view.x = (int)(k);
890                 DrawQ_RecalcView();
891                 break;
892         case VF_MIN_Y:
893                 r_refdef.view.y = (int)(k);
894                 DrawQ_RecalcView();
895                 break;
896         case VF_SIZE:
897                 r_refdef.view.width = (int)(f[0]);
898                 r_refdef.view.height = (int)(f[1]);
899                 DrawQ_RecalcView();
900                 break;
901         case VF_SIZE_X:
902                 r_refdef.view.width = (int)(k);
903                 DrawQ_RecalcView();
904                 break;
905         case VF_SIZE_Y:
906                 r_refdef.view.height = (int)(k);
907                 DrawQ_RecalcView();
908                 break;
909         case VF_VIEWPORT:
910                 r_refdef.view.x = (int)(f[0]);
911                 r_refdef.view.y = (int)(f[1]);
912                 f = PRVM_G_VECTOR(OFS_PARM2);
913                 r_refdef.view.width = (int)(f[0]);
914                 r_refdef.view.height = (int)(f[1]);
915                 DrawQ_RecalcView();
916                 break;
917         case VF_FOV:
918                 r_refdef.view.frustum_x = tan(f[0] * M_PI / 360.0);r_refdef.view.ortho_x = f[0];
919                 r_refdef.view.frustum_y = tan(f[1] * M_PI / 360.0);r_refdef.view.ortho_y = f[1];
920                 break;
921         case VF_FOVX:
922                 r_refdef.view.frustum_x = tan(k * M_PI / 360.0);r_refdef.view.ortho_x = k;
923                 break;
924         case VF_FOVY:
925                 r_refdef.view.frustum_y = tan(k * M_PI / 360.0);r_refdef.view.ortho_y = k;
926                 break;
927         case VF_ORIGIN:
928                 VectorCopy(f, cl.csqc_vieworigin);
929                 CSQC_R_RecalcView();
930                 break;
931         case VF_ORIGIN_X:
932                 cl.csqc_vieworigin[0] = k;
933                 CSQC_R_RecalcView();
934                 break;
935         case VF_ORIGIN_Y:
936                 cl.csqc_vieworigin[1] = k;
937                 CSQC_R_RecalcView();
938                 break;
939         case VF_ORIGIN_Z:
940                 cl.csqc_vieworigin[2] = k;
941                 CSQC_R_RecalcView();
942                 break;
943         case VF_ANGLES:
944                 VectorCopy(f, cl.csqc_viewangles);
945                 CSQC_R_RecalcView();
946                 break;
947         case VF_ANGLES_X:
948                 cl.csqc_viewangles[0] = k;
949                 CSQC_R_RecalcView();
950                 break;
951         case VF_ANGLES_Y:
952                 cl.csqc_viewangles[1] = k;
953                 CSQC_R_RecalcView();
954                 break;
955         case VF_ANGLES_Z:
956                 cl.csqc_viewangles[2] = k;
957                 CSQC_R_RecalcView();
958                 break;
959         case VF_DRAWWORLD:
960                 cl.csqc_vidvars.drawworld = ((k != 0) && r_drawworld.integer);
961                 break;
962         case VF_DRAWENGINESBAR:
963                 cl.csqc_vidvars.drawenginesbar = k != 0;
964                 break;
965         case VF_DRAWCROSSHAIR:
966                 cl.csqc_vidvars.drawcrosshair = k != 0;
967                 break;
968         case VF_CL_VIEWANGLES:
969                 VectorCopy(f, cl.viewangles);
970                 break;
971         case VF_CL_VIEWANGLES_X:
972                 cl.viewangles[0] = k;
973                 break;
974         case VF_CL_VIEWANGLES_Y:
975                 cl.viewangles[1] = k;
976                 break;
977         case VF_CL_VIEWANGLES_Z:
978                 cl.viewangles[2] = k;
979                 break;
980         case VF_PERSPECTIVE:
981                 r_refdef.view.useperspective = k != 0;
982                 break;
983         case VF_CLEARSCREEN:
984                 r_refdef.view.isoverlay = !k;
985                 break;
986         default:
987                 PRVM_G_FLOAT(OFS_RETURN) = 0;
988                 VM_Warning("VM_CL_R_SetView : unknown parm %i\n", c);
989                 return;
990         }
991         PRVM_G_FLOAT(OFS_RETURN) = 1;
992 }
993
994 //#305 void(vector org, float radius, vector lightcolours[, float style, string cubemapname, float pflags]) adddynamiclight (EXT_CSQC)
995 void VM_CL_R_AddDynamicLight (void)
996 {
997         double t = Sys_DoubleTime();
998         vec_t *org;
999         float radius = 300;
1000         vec_t *col;
1001         int style = -1;
1002         const char *cubemapname = NULL;
1003         int pflags = PFLAGS_CORONA | PFLAGS_FULLDYNAMIC;
1004         float coronaintensity = 1;
1005         float coronasizescale = 0.25;
1006         qboolean castshadow = true;
1007         float ambientscale = 0;
1008         float diffusescale = 1;
1009         float specularscale = 1;
1010         matrix4x4_t matrix;
1011         vec3_t forward, left, up;
1012         VM_SAFEPARMCOUNTRANGE(3, 8, VM_CL_R_AddDynamicLight);
1013
1014         // if we've run out of dlights, just return
1015         if (r_refdef.scene.numlights >= MAX_DLIGHTS)
1016                 return;
1017
1018         org = PRVM_G_VECTOR(OFS_PARM0);
1019         radius = PRVM_G_FLOAT(OFS_PARM1);
1020         col = PRVM_G_VECTOR(OFS_PARM2);
1021         if (prog->argc >= 4)
1022         {
1023                 style = (int)PRVM_G_FLOAT(OFS_PARM3);
1024                 if (style >= MAX_LIGHTSTYLES)
1025                 {
1026                         Con_DPrintf("VM_CL_R_AddDynamicLight: out of bounds lightstyle index %i\n", style);
1027                         style = -1;
1028                 }
1029         }
1030         if (prog->argc >= 5)
1031                 cubemapname = PRVM_G_STRING(OFS_PARM4);
1032         if (prog->argc >= 6)
1033                 pflags = (int)PRVM_G_FLOAT(OFS_PARM5);
1034         coronaintensity = (pflags & PFLAGS_CORONA) != 0;
1035         castshadow = (pflags & PFLAGS_NOSHADOW) == 0;
1036
1037         VectorScale(prog->globals.client->v_forward, radius, forward);
1038         VectorScale(prog->globals.client->v_right, -radius, left);
1039         VectorScale(prog->globals.client->v_up, radius, up);
1040         Matrix4x4_FromVectors(&matrix, forward, left, up, org);
1041
1042         R_RTLight_Update(&r_refdef.scene.templights[r_refdef.scene.numlights], false, &matrix, col, style, cubemapname, castshadow, coronaintensity, coronasizescale, ambientscale, diffusescale, specularscale, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1043         r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1044         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
1045 }
1046
1047 //============================================================================
1048
1049 //#310 vector (vector v) cs_unproject (EXT_CSQC)
1050 static void VM_CL_unproject (void)
1051 {
1052         float   *f;
1053         vec3_t  temp;
1054
1055         VM_SAFEPARMCOUNT(1, VM_CL_unproject);
1056         f = PRVM_G_VECTOR(OFS_PARM0);
1057         VectorSet(temp,
1058                 f[2],
1059                 (-1.0 + 2.0 * (f[0] / vid_conwidth.integer)) * f[2] * -r_refdef.view.frustum_x,
1060                 (-1.0 + 2.0 * (f[1] / vid_conheight.integer)) * f[2] * -r_refdef.view.frustum_y);
1061         if(v_flipped.integer)
1062                 temp[1] = -temp[1];
1063         Matrix4x4_Transform(&r_refdef.view.matrix, temp, PRVM_G_VECTOR(OFS_RETURN));
1064 }
1065
1066 //#311 vector (vector v) cs_project (EXT_CSQC)
1067 static void VM_CL_project (void)
1068 {
1069         float   *f;
1070         vec3_t  v;
1071         matrix4x4_t m;
1072
1073         VM_SAFEPARMCOUNT(1, VM_CL_project);
1074         f = PRVM_G_VECTOR(OFS_PARM0);
1075         Matrix4x4_Invert_Simple(&m, &r_refdef.view.matrix);
1076         Matrix4x4_Transform(&m, f, v);
1077         if(v_flipped.integer)
1078                 v[1] = -v[1];
1079         VectorSet(PRVM_G_VECTOR(OFS_RETURN),
1080                 vid_conwidth.integer * (0.5*(1.0+v[1]/v[0]/-r_refdef.view.frustum_x)),
1081                 vid_conheight.integer * (0.5*(1.0+v[2]/v[0]/-r_refdef.view.frustum_y)),
1082                 v[0]);
1083         // explanation:
1084         // after transforming, relative position to viewport (0..1) = 0.5 * (1 + v[2]/v[0]/-frustum_{x \or y})
1085         // as 2D drawing honors the viewport too, to get the same pixel, we simply multiply this by conwidth/height
1086 }
1087
1088 //#330 float(float stnum) getstatf (EXT_CSQC)
1089 static void VM_CL_getstatf (void)
1090 {
1091         int i;
1092         union
1093         {
1094                 float f;
1095                 int l;
1096         }dat;
1097         VM_SAFEPARMCOUNT(1, VM_CL_getstatf);
1098         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1099         if(i < 0 || i >= MAX_CL_STATS)
1100         {
1101                 VM_Warning("VM_CL_getstatf: index>=MAX_CL_STATS or index<0\n");
1102                 return;
1103         }
1104         dat.l = cl.stats[i];
1105         PRVM_G_FLOAT(OFS_RETURN) =  dat.f;
1106 }
1107
1108 //#331 float(float stnum) getstati (EXT_CSQC)
1109 static void VM_CL_getstati (void)
1110 {
1111         int i, index;
1112         int firstbit, bitcount;
1113
1114         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getstati);
1115
1116         index = (int)PRVM_G_FLOAT(OFS_PARM0);
1117         if (prog->argc > 1)
1118         {
1119                 firstbit = (int)PRVM_G_FLOAT(OFS_PARM1);
1120                 if (prog->argc > 2)
1121                         bitcount = (int)PRVM_G_FLOAT(OFS_PARM2);
1122                 else
1123                         bitcount = 1;
1124         }
1125         else
1126         {
1127                 firstbit = 0;
1128                 bitcount = 32;
1129         }
1130
1131         if(index < 0 || index >= MAX_CL_STATS)
1132         {
1133                 VM_Warning("VM_CL_getstati: index>=MAX_CL_STATS or index<0\n");
1134                 return;
1135         }
1136         i = cl.stats[index];
1137         if (bitcount != 32)     //32 causes the mask to overflow, so there's nothing to subtract from.
1138                 i = (((unsigned int)i)&(((1<<bitcount)-1)<<firstbit))>>firstbit;
1139         PRVM_G_FLOAT(OFS_RETURN) = i;
1140 }
1141
1142 //#332 string(float firststnum) getstats (EXT_CSQC)
1143 static void VM_CL_getstats (void)
1144 {
1145         int i;
1146         char t[17];
1147         VM_SAFEPARMCOUNT(1, VM_CL_getstats);
1148         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1149         if(i < 0 || i > MAX_CL_STATS-4)
1150         {
1151                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1152                 VM_Warning("VM_CL_getstats: index>MAX_CL_STATS-4 or index<0\n");
1153                 return;
1154         }
1155         strlcpy(t, (char*)&cl.stats[i], sizeof(t));
1156         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
1157 }
1158
1159 //#333 void(entity e, float mdlindex) setmodelindex (EXT_CSQC)
1160 static void VM_CL_setmodelindex (void)
1161 {
1162         int                             i;
1163         prvm_edict_t    *t;
1164         struct model_s  *model;
1165
1166         VM_SAFEPARMCOUNT(2, VM_CL_setmodelindex);
1167
1168         t = PRVM_G_EDICT(OFS_PARM0);
1169
1170         i = (int)PRVM_G_FLOAT(OFS_PARM1);
1171
1172         t->fields.client->model = 0;
1173         t->fields.client->modelindex = 0;
1174
1175         if (!i)
1176                 return;
1177
1178         model = CL_GetModelByIndex(i);
1179         if (!model)
1180         {
1181                 VM_Warning("VM_CL_setmodelindex: null model\n");
1182                 return;
1183         }
1184         t->fields.client->model = PRVM_SetEngineString(model->name);
1185         t->fields.client->modelindex = i;
1186
1187         // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
1188         if (model)
1189         {
1190                 SetMinMaxSize (t, model->normalmins, model->normalmaxs);
1191         }
1192         else
1193                 SetMinMaxSize (t, vec3_origin, vec3_origin);
1194 }
1195
1196 //#334 string(float mdlindex) modelnameforindex (EXT_CSQC)
1197 static void VM_CL_modelnameforindex (void)
1198 {
1199         dp_model_t *model;
1200
1201         VM_SAFEPARMCOUNT(1, VM_CL_modelnameforindex);
1202
1203         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1204         model = CL_GetModelByIndex((int)PRVM_G_FLOAT(OFS_PARM0));
1205         PRVM_G_INT(OFS_RETURN) = model ? PRVM_SetEngineString(model->name) : 0;
1206 }
1207
1208 //#335 float(string effectname) particleeffectnum (EXT_CSQC)
1209 static void VM_CL_particleeffectnum (void)
1210 {
1211         int                     i;
1212         VM_SAFEPARMCOUNT(1, VM_CL_particleeffectnum);
1213         i = CL_ParticleEffectIndexForName(PRVM_G_STRING(OFS_PARM0));
1214         if (i == 0)
1215                 i = -1;
1216         PRVM_G_FLOAT(OFS_RETURN) = i;
1217 }
1218
1219 // #336 void(entity ent, float effectnum, vector start, vector end[, float color]) trailparticles (EXT_CSQC)
1220 static void VM_CL_trailparticles (void)
1221 {
1222         int                             i;
1223         float                   *start, *end;
1224         prvm_edict_t    *t;
1225         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_trailparticles);
1226
1227         t = PRVM_G_EDICT(OFS_PARM0);
1228         i               = (int)PRVM_G_FLOAT(OFS_PARM1);
1229         start   = PRVM_G_VECTOR(OFS_PARM2);
1230         end             = PRVM_G_VECTOR(OFS_PARM3);
1231
1232         if (i < 0)
1233                 return;
1234         CL_ParticleEffect(i, 1, start, end, t->fields.client->velocity, t->fields.client->velocity, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1235 }
1236
1237 //#337 void(float effectnum, vector origin, vector dir, float count[, float color]) pointparticles (EXT_CSQC)
1238 static void VM_CL_pointparticles (void)
1239 {
1240         int                     i;
1241         float n;
1242         float           *f, *v;
1243         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_pointparticles);
1244         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1245         f = PRVM_G_VECTOR(OFS_PARM1);
1246         v = PRVM_G_VECTOR(OFS_PARM2);
1247         n = PRVM_G_FLOAT(OFS_PARM3);
1248         if (i < 0)
1249                 return;
1250         CL_ParticleEffect(i, n, f, f, v, v, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1251 }
1252
1253 //#502 void(float effectnum, entity own, vector origin_from, vector origin_to, vector dir_from, vector dir_to, float count, float extflags) boxparticles (DP_CSQC_BOXPARTICLES)
1254 static void VM_CL_boxparticles (void)
1255 {
1256         int effectnum;
1257         // prvm_edict_t *own;
1258         float *origin_from, *origin_to, *dir_from, *dir_to;
1259         float count;
1260         int flags;
1261         float tintmins[4], tintmaxs[4];
1262         VM_SAFEPARMCOUNTRANGE(7, 8, VM_CL_boxparticles);
1263
1264         effectnum = (int)PRVM_G_FLOAT(OFS_PARM0);
1265         // own = PRVM_G_EDICT(OFS_PARM1); // TODO find use for this
1266         origin_from = PRVM_G_VECTOR(OFS_PARM2);
1267         origin_to = PRVM_G_VECTOR(OFS_PARM3);
1268         dir_from = PRVM_G_VECTOR(OFS_PARM4);
1269         dir_to = PRVM_G_VECTOR(OFS_PARM5);
1270         count = PRVM_G_FLOAT(OFS_PARM6);
1271         if(prog->argc >= 8)
1272                 flags = PRVM_G_FLOAT(OFS_PARM7);
1273         else
1274                 flags = 0;
1275         Vector4Set(tintmins, 1, 1, 1, 1);
1276         Vector4Set(tintmaxs, 1, 1, 1, 1);
1277         if(flags & 1) // read alpha
1278         {
1279                 tintmins[3] = PRVM_clientglobalfloat(particles_alphamin);
1280                 tintmaxs[3] = PRVM_clientglobalfloat(particles_alphamax);
1281         }
1282         if(flags & 2) // read color
1283         {
1284                 VectorCopy(PRVM_clientglobalvector(particles_colormin), tintmins);
1285                 VectorCopy(PRVM_clientglobalvector(particles_colormax), tintmaxs);
1286         }
1287         if (effectnum < 0)
1288                 return;
1289         CL_ParticleTrail(effectnum, count, origin_from, origin_to, dir_from, dir_to, NULL, 0, true, true, tintmins, tintmaxs);
1290 }
1291
1292 //#531 void(float pause) setpause
1293 static void VM_CL_setpause(void) 
1294 {
1295         VM_SAFEPARMCOUNT(1, VM_CL_setpause);
1296         if ((int)PRVM_G_FLOAT(OFS_PARM0) != 0)
1297                 cl.csqc_paused = true;
1298         else
1299                 cl.csqc_paused = false;
1300 }
1301
1302 //#343 void(float usecursor) setcursormode (EXT_CSQC)
1303 static void VM_CL_setcursormode (void)
1304 {
1305         VM_SAFEPARMCOUNT(1, VM_CL_setcursormode);
1306         cl.csqc_wantsmousemove = PRVM_G_FLOAT(OFS_PARM0) != 0;
1307         cl_ignoremousemoves = 2;
1308 }
1309
1310 //#344 vector() getmousepos (EXT_CSQC)
1311 static void VM_CL_getmousepos(void)
1312 {
1313         VM_SAFEPARMCOUNT(0,VM_CL_getmousepos);
1314
1315         if (key_consoleactive || key_dest != key_game)
1316                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), 0, 0, 0);
1317         else if (cl.csqc_wantsmousemove)
1318                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_windowmouse_x * vid_conwidth.integer / vid.width, in_windowmouse_y * vid_conheight.integer / vid.height, 0);
1319         else
1320                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_mouse_x * vid_conwidth.integer / vid.width, in_mouse_y * vid_conheight.integer / vid.height, 0);
1321 }
1322
1323 //#345 float(float framenum) getinputstate (EXT_CSQC)
1324 static void VM_CL_getinputstate (void)
1325 {
1326         int i, frame;
1327         VM_SAFEPARMCOUNT(1, VM_CL_getinputstate);
1328         frame = (int)PRVM_G_FLOAT(OFS_PARM0);
1329         PRVM_G_FLOAT(OFS_RETURN) = false;
1330         for (i = 0;i < CL_MAX_USERCMDS;i++)
1331         {
1332                 if (cl.movecmd[i].sequence == frame)
1333                 {
1334                         VectorCopy(cl.movecmd[i].viewangles, prog->globals.client->input_angles);
1335                         prog->globals.client->input_buttons = cl.movecmd[i].buttons; // FIXME: this should not be directly exposed to csqc (translation layer needed?)
1336                         prog->globals.client->input_movevalues[0] = cl.movecmd[i].forwardmove;
1337                         prog->globals.client->input_movevalues[1] = cl.movecmd[i].sidemove;
1338                         prog->globals.client->input_movevalues[2] = cl.movecmd[i].upmove;
1339                         prog->globals.client->input_timelength = cl.movecmd[i].frametime;
1340                         if(cl.movecmd[i].crouch)
1341                         {
1342                                 VectorCopy(cl.playercrouchmins, prog->globals.client->pmove_mins);
1343                                 VectorCopy(cl.playercrouchmaxs, prog->globals.client->pmove_maxs);
1344                         }
1345                         else
1346                         {
1347                                 VectorCopy(cl.playerstandmins, prog->globals.client->pmove_mins);
1348                                 VectorCopy(cl.playerstandmaxs, prog->globals.client->pmove_maxs);
1349                         }
1350                         PRVM_G_FLOAT(OFS_RETURN) = true;
1351                 }
1352         }
1353 }
1354
1355 //#346 void(float sens) setsensitivityscaler (EXT_CSQC)
1356 static void VM_CL_setsensitivityscale (void)
1357 {
1358         VM_SAFEPARMCOUNT(1, VM_CL_setsensitivityscale);
1359         cl.sensitivityscale = PRVM_G_FLOAT(OFS_PARM0);
1360 }
1361
1362 //#347 void() runstandardplayerphysics (EXT_CSQC)
1363 static void VM_CL_runplayerphysics (void)
1364 {
1365 }
1366
1367 //#348 string(float playernum, string keyname) getplayerkeyvalue (EXT_CSQC)
1368 static void VM_CL_getplayerkey (void)
1369 {
1370         int                     i;
1371         char            t[128];
1372         const char      *c;
1373
1374         VM_SAFEPARMCOUNT(2, VM_CL_getplayerkey);
1375
1376         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1377         c = PRVM_G_STRING(OFS_PARM1);
1378         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1379         Sbar_SortFrags();
1380
1381         if (i < 0)
1382                 i = Sbar_GetSortedPlayerIndex(-1-i);
1383         if(i < 0 || i >= cl.maxclients)
1384                 return;
1385
1386         t[0] = 0;
1387
1388         if(!strcasecmp(c, "name"))
1389                 strlcpy(t, cl.scores[i].name, sizeof(t));
1390         else
1391                 if(!strcasecmp(c, "frags"))
1392                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].frags);
1393         else
1394                 if(!strcasecmp(c, "ping"))
1395                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_ping);
1396         else
1397                 if(!strcasecmp(c, "pl"))
1398                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_packetloss);
1399         else
1400                 if(!strcasecmp(c, "movementloss"))
1401                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_movementloss);
1402         else
1403                 if(!strcasecmp(c, "entertime"))
1404                         dpsnprintf(t, sizeof(t), "%f", cl.scores[i].qw_entertime);
1405         else
1406                 if(!strcasecmp(c, "colors"))
1407                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors);
1408         else
1409                 if(!strcasecmp(c, "topcolor"))
1410                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors & 0xf0);
1411         else
1412                 if(!strcasecmp(c, "bottomcolor"))
1413                         dpsnprintf(t, sizeof(t), "%i", (cl.scores[i].colors &15)<<4);
1414         else
1415                 if(!strcasecmp(c, "viewentity"))
1416                         dpsnprintf(t, sizeof(t), "%i", i+1);
1417         if(!t[0])
1418                 return;
1419         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
1420 }
1421
1422 //#351 void(vector origin, vector forward, vector right, vector up) SetListener (EXT_CSQC)
1423 static void VM_CL_setlistener (void)
1424 {
1425         VM_SAFEPARMCOUNT(4, VM_CL_setlistener);
1426         Matrix4x4_FromVectors(&cl.csqc_listenermatrix, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), PRVM_G_VECTOR(OFS_PARM3), PRVM_G_VECTOR(OFS_PARM0));
1427         cl.csqc_usecsqclistener = true; //use csqc listener at this frame
1428 }
1429
1430 //#352 void(string cmdname) registercommand (EXT_CSQC)
1431 static void VM_CL_registercmd (void)
1432 {
1433         char *t;
1434         VM_SAFEPARMCOUNT(1, VM_CL_registercmd);
1435         if(!Cmd_Exists(PRVM_G_STRING(OFS_PARM0)))
1436         {
1437                 size_t alloclen;
1438
1439                 alloclen = strlen(PRVM_G_STRING(OFS_PARM0)) + 1;
1440                 t = (char *)Z_Malloc(alloclen);
1441                 memcpy(t, PRVM_G_STRING(OFS_PARM0), alloclen);
1442                 Cmd_AddCommand(t, NULL, "console command created by QuakeC");
1443         }
1444         else
1445                 Cmd_AddCommand(PRVM_G_STRING(OFS_PARM0), NULL, "console command created by QuakeC");
1446
1447 }
1448
1449 //#360 float() readbyte (EXT_CSQC)
1450 static void VM_CL_ReadByte (void)
1451 {
1452         VM_SAFEPARMCOUNT(0, VM_CL_ReadByte);
1453         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadByte();
1454 }
1455
1456 //#361 float() readchar (EXT_CSQC)
1457 static void VM_CL_ReadChar (void)
1458 {
1459         VM_SAFEPARMCOUNT(0, VM_CL_ReadChar);
1460         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadChar();
1461 }
1462
1463 //#362 float() readshort (EXT_CSQC)
1464 static void VM_CL_ReadShort (void)
1465 {
1466         VM_SAFEPARMCOUNT(0, VM_CL_ReadShort);
1467         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadShort();
1468 }
1469
1470 //#363 float() readlong (EXT_CSQC)
1471 static void VM_CL_ReadLong (void)
1472 {
1473         VM_SAFEPARMCOUNT(0, VM_CL_ReadLong);
1474         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadLong();
1475 }
1476
1477 //#364 float() readcoord (EXT_CSQC)
1478 static void VM_CL_ReadCoord (void)
1479 {
1480         VM_SAFEPARMCOUNT(0, VM_CL_ReadCoord);
1481         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadCoord(cls.protocol);
1482 }
1483
1484 //#365 float() readangle (EXT_CSQC)
1485 static void VM_CL_ReadAngle (void)
1486 {
1487         VM_SAFEPARMCOUNT(0, VM_CL_ReadAngle);
1488         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadAngle(cls.protocol);
1489 }
1490
1491 //#366 string() readstring (EXT_CSQC)
1492 static void VM_CL_ReadString (void)
1493 {
1494         VM_SAFEPARMCOUNT(0, VM_CL_ReadString);
1495         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(MSG_ReadString());
1496 }
1497
1498 //#367 float() readfloat (EXT_CSQC)
1499 static void VM_CL_ReadFloat (void)
1500 {
1501         VM_SAFEPARMCOUNT(0, VM_CL_ReadFloat);
1502         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadFloat();
1503 }
1504
1505 //#501 string() readpicture (DP_CSQC_READWRITEPICTURE)
1506 extern cvar_t cl_readpicture_force;
1507 static void VM_CL_ReadPicture (void)
1508 {
1509         const char *name;
1510         unsigned char *data;
1511         unsigned char *buf;
1512         int size;
1513         int i;
1514         cachepic_t *pic;
1515
1516         VM_SAFEPARMCOUNT(0, VM_CL_ReadPicture);
1517
1518         name = MSG_ReadString();
1519         size = MSG_ReadShort();
1520
1521         // check if a texture of that name exists
1522         // if yes, it is used and the data is discarded
1523         // if not, the (low quality) data is used to build a new texture, whose name will get returned
1524
1525         pic = Draw_CachePic_Flags (name, CACHEPICFLAG_NOTPERSISTENT);
1526
1527         if(size)
1528         {
1529                 if(pic->tex == r_texture_notexture)
1530                         pic->tex = NULL; // don't overwrite the notexture by Draw_NewPic
1531                 if(pic->tex && !cl_readpicture_force.integer)
1532                 {
1533                         // texture found and loaded
1534                         // skip over the jpeg as we don't need it
1535                         for(i = 0; i < size; ++i)
1536                                 (void) MSG_ReadByte();
1537                 }
1538                 else
1539                 {
1540                         // texture not found
1541                         // use the attached jpeg as texture
1542                         buf = (unsigned char *) Mem_Alloc(tempmempool, size);
1543                         MSG_ReadBytes(size, buf);
1544                         data = JPEG_LoadImage_BGRA(buf, size, NULL);
1545                         Mem_Free(buf);
1546                         Draw_NewPic(name, image_width, image_height, false, data);
1547                         Mem_Free(data);
1548                 }
1549         }
1550
1551         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(name);
1552 }
1553
1554 //////////////////////////////////////////////////////////
1555
1556 static void VM_CL_makestatic (void)
1557 {
1558         prvm_edict_t *ent;
1559
1560         VM_SAFEPARMCOUNT(1, VM_CL_makestatic);
1561
1562         ent = PRVM_G_EDICT(OFS_PARM0);
1563         if (ent == prog->edicts)
1564         {
1565                 VM_Warning("makestatic: can not modify world entity\n");
1566                 return;
1567         }
1568         if (ent->priv.server->free)
1569         {
1570                 VM_Warning("makestatic: can not modify free entity\n");
1571                 return;
1572         }
1573
1574         if (cl.num_static_entities < cl.max_static_entities)
1575         {
1576                 int renderflags;
1577                 entity_t *staticent = &cl.static_entities[cl.num_static_entities++];
1578
1579                 // copy it to the current state
1580                 memset(staticent, 0, sizeof(*staticent));
1581                 staticent->render.model = CL_GetModelByIndex((int)ent->fields.client->modelindex);
1582                 staticent->render.framegroupblend[0].frame = (int)ent->fields.client->frame;
1583                 staticent->render.framegroupblend[0].lerp = 1;
1584                 // make torchs play out of sync
1585                 staticent->render.framegroupblend[0].start = lhrandom(-10, -1);
1586                 staticent->render.skinnum = (int)ent->fields.client->skin;
1587                 staticent->render.effects = (int)ent->fields.client->effects;
1588                 staticent->render.alpha = PRVM_clientedictfloat(ent, alpha);
1589                 staticent->render.scale = PRVM_clientedictfloat(ent, scale);
1590                 VectorCopy(PRVM_clientedictvector(ent, colormod), staticent->render.colormod);
1591                 VectorCopy(PRVM_clientedictvector(ent, glowmod), staticent->render.glowmod);
1592
1593                 // sanitize values
1594                 if (!staticent->render.alpha)
1595                         staticent->render.alpha = 1.0f;
1596                 if (!staticent->render.scale)
1597                         staticent->render.scale = 1.0f;
1598                 if (!VectorLength2(staticent->render.colormod))
1599                         VectorSet(staticent->render.colormod, 1, 1, 1);
1600                 if (!VectorLength2(staticent->render.glowmod))
1601                         VectorSet(staticent->render.glowmod, 1, 1, 1);
1602
1603                 renderflags = (int)PRVM_clientedictfloat(ent, renderflags);
1604                 if (renderflags & RF_USEAXIS)
1605                 {
1606                         vec3_t left;
1607                         VectorNegate(prog->globals.client->v_right, left);
1608                         Matrix4x4_FromVectors(&staticent->render.matrix, prog->globals.client->v_forward, left, prog->globals.client->v_up, ent->fields.client->origin);
1609                         Matrix4x4_Scale(&staticent->render.matrix, staticent->render.scale, 1);
1610                 }
1611                 else
1612                         Matrix4x4_CreateFromQuakeEntity(&staticent->render.matrix, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2], ent->fields.client->angles[0], ent->fields.client->angles[1], ent->fields.client->angles[2], staticent->render.scale);
1613
1614                 // either fullbright or lit
1615                 if(!r_fullbright.integer)
1616                 {
1617                         if (!(staticent->render.effects & EF_FULLBRIGHT))
1618                                 staticent->render.flags |= RENDER_LIGHT;
1619                         else if(r_equalize_entities_fullbright.integer)
1620                                 staticent->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1621                 }
1622                 // turn off shadows from transparent objects
1623                 if (!(staticent->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (staticent->render.alpha >= 1))
1624                         staticent->render.flags |= RENDER_SHADOW;
1625                 if (staticent->render.effects & EF_NODEPTHTEST)
1626                         staticent->render.flags |= RENDER_NODEPTHTEST;
1627                 if (staticent->render.effects & EF_ADDITIVE)
1628                         staticent->render.flags |= RENDER_ADDITIVE;
1629                 if (staticent->render.effects & EF_DOUBLESIDED)
1630                         staticent->render.flags |= RENDER_DOUBLESIDED;
1631
1632                 staticent->render.allowdecals = true;
1633                 CL_UpdateRenderEntity(&staticent->render);
1634         }
1635         else
1636                 Con_Printf("Too many static entities");
1637
1638 // throw the entity away now
1639         PRVM_ED_Free (ent);
1640 }
1641
1642 //=================================================================//
1643
1644 /*
1645 =================
1646 VM_CL_copyentity
1647
1648 copies data from one entity to another
1649
1650 copyentity(src, dst)
1651 =================
1652 */
1653 static void VM_CL_copyentity (void)
1654 {
1655         prvm_edict_t *in, *out;
1656         VM_SAFEPARMCOUNT(2, VM_CL_copyentity);
1657         in = PRVM_G_EDICT(OFS_PARM0);
1658         if (in == prog->edicts)
1659         {
1660                 VM_Warning("copyentity: can not read world entity\n");
1661                 return;
1662         }
1663         if (in->priv.server->free)
1664         {
1665                 VM_Warning("copyentity: can not read free entity\n");
1666                 return;
1667         }
1668         out = PRVM_G_EDICT(OFS_PARM1);
1669         if (out == prog->edicts)
1670         {
1671                 VM_Warning("copyentity: can not modify world entity\n");
1672                 return;
1673         }
1674         if (out->priv.server->free)
1675         {
1676                 VM_Warning("copyentity: can not modify free entity\n");
1677                 return;
1678         }
1679         memcpy(out->fields.vp, in->fields.vp, prog->entityfields * 4);
1680         CL_LinkEdict(out);
1681 }
1682
1683 //=================================================================//
1684
1685 // #404 void(vector org, string modelname, float startframe, float endframe, float framerate) effect (DP_SV_EFFECT)
1686 static void VM_CL_effect (void)
1687 {
1688         VM_SAFEPARMCOUNT(5, VM_CL_effect);
1689         CL_Effect(PRVM_G_VECTOR(OFS_PARM0), (int)PRVM_G_FLOAT(OFS_PARM1), (int)PRVM_G_FLOAT(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), PRVM_G_FLOAT(OFS_PARM4));
1690 }
1691
1692 // #405 void(vector org, vector velocity, float howmany) te_blood (DP_TE_BLOOD)
1693 static void VM_CL_te_blood (void)
1694 {
1695         float   *pos;
1696         vec3_t  pos2;
1697         VM_SAFEPARMCOUNT(3, VM_CL_te_blood);
1698         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1699                 return;
1700         pos = PRVM_G_VECTOR(OFS_PARM0);
1701         CL_FindNonSolidLocation(pos, pos2, 4);
1702         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1703 }
1704
1705 // #406 void(vector mincorner, vector maxcorner, float explosionspeed, float howmany) te_bloodshower (DP_TE_BLOODSHOWER)
1706 static void VM_CL_te_bloodshower (void)
1707 {
1708         vec_t speed;
1709         vec3_t vel1, vel2;
1710         VM_SAFEPARMCOUNT(4, VM_CL_te_bloodshower);
1711         if (PRVM_G_FLOAT(OFS_PARM3) < 1)
1712                 return;
1713         speed = PRVM_G_FLOAT(OFS_PARM2);
1714         vel1[0] = -speed;
1715         vel1[1] = -speed;
1716         vel1[2] = -speed;
1717         vel2[0] = speed;
1718         vel2[1] = speed;
1719         vel2[2] = speed;
1720         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM3), PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), vel1, vel2, NULL, 0);
1721 }
1722
1723 // #407 void(vector org, vector color) te_explosionrgb (DP_TE_EXPLOSIONRGB)
1724 static void VM_CL_te_explosionrgb (void)
1725 {
1726         float           *pos;
1727         vec3_t          pos2;
1728         matrix4x4_t     tempmatrix;
1729         VM_SAFEPARMCOUNT(2, VM_CL_te_explosionrgb);
1730         pos = PRVM_G_VECTOR(OFS_PARM0);
1731         CL_FindNonSolidLocation(pos, pos2, 10);
1732         CL_ParticleExplosion(pos2);
1733         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1734         CL_AllocLightFlash(NULL, &tempmatrix, 350, PRVM_G_VECTOR(OFS_PARM1)[0], PRVM_G_VECTOR(OFS_PARM1)[1], PRVM_G_VECTOR(OFS_PARM1)[2], 700, 0.5, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1735 }
1736
1737 // #408 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color, float gravityflag, float randomveljitter) te_particlecube (DP_TE_PARTICLECUBE)
1738 static void VM_CL_te_particlecube (void)
1739 {
1740         VM_SAFEPARMCOUNT(7, VM_CL_te_particlecube);
1741         CL_ParticleCube(PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), PRVM_G_FLOAT(OFS_PARM5), PRVM_G_FLOAT(OFS_PARM6));
1742 }
1743
1744 // #409 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlerain (DP_TE_PARTICLERAIN)
1745 static void VM_CL_te_particlerain (void)
1746 {
1747         VM_SAFEPARMCOUNT(5, VM_CL_te_particlerain);
1748         CL_ParticleRain(PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 0);
1749 }
1750
1751 // #410 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlesnow (DP_TE_PARTICLESNOW)
1752 static void VM_CL_te_particlesnow (void)
1753 {
1754         VM_SAFEPARMCOUNT(5, VM_CL_te_particlesnow);
1755         CL_ParticleRain(PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 1);
1756 }
1757
1758 // #411 void(vector org, vector vel, float howmany) te_spark
1759 static void VM_CL_te_spark (void)
1760 {
1761         float           *pos;
1762         vec3_t          pos2;
1763         VM_SAFEPARMCOUNT(3, VM_CL_te_spark);
1764
1765         pos = PRVM_G_VECTOR(OFS_PARM0);
1766         CL_FindNonSolidLocation(pos, pos2, 4);
1767         CL_ParticleEffect(EFFECT_TE_SPARK, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1768 }
1769
1770 extern cvar_t cl_sound_ric_gunshot;
1771 // #412 void(vector org) te_gunshotquad (DP_QUADEFFECTS1)
1772 static void VM_CL_te_gunshotquad (void)
1773 {
1774         float           *pos;
1775         vec3_t          pos2;
1776         int                     rnd;
1777         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshotquad);
1778
1779         pos = PRVM_G_VECTOR(OFS_PARM0);
1780         CL_FindNonSolidLocation(pos, pos2, 4);
1781         CL_ParticleEffect(EFFECT_TE_GUNSHOTQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1782         if(cl_sound_ric_gunshot.integer >= 2)
1783         {
1784                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1785                 else
1786                 {
1787                         rnd = rand() & 3;
1788                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1789                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1790                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1791                 }
1792         }
1793 }
1794
1795 // #413 void(vector org) te_spikequad (DP_QUADEFFECTS1)
1796 static void VM_CL_te_spikequad (void)
1797 {
1798         float           *pos;
1799         vec3_t          pos2;
1800         int                     rnd;
1801         VM_SAFEPARMCOUNT(1, VM_CL_te_spikequad);
1802
1803         pos = PRVM_G_VECTOR(OFS_PARM0);
1804         CL_FindNonSolidLocation(pos, pos2, 4);
1805         CL_ParticleEffect(EFFECT_TE_SPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1806         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1807         else
1808         {
1809                 rnd = rand() & 3;
1810                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1811                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1812                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1813         }
1814 }
1815
1816 // #414 void(vector org) te_superspikequad (DP_QUADEFFECTS1)
1817 static void VM_CL_te_superspikequad (void)
1818 {
1819         float           *pos;
1820         vec3_t          pos2;
1821         int                     rnd;
1822         VM_SAFEPARMCOUNT(1, VM_CL_te_superspikequad);
1823
1824         pos = PRVM_G_VECTOR(OFS_PARM0);
1825         CL_FindNonSolidLocation(pos, pos2, 4);
1826         CL_ParticleEffect(EFFECT_TE_SUPERSPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1827         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos, 1, 1);
1828         else
1829         {
1830                 rnd = rand() & 3;
1831                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1832                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1833                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1834         }
1835 }
1836
1837 // #415 void(vector org) te_explosionquad (DP_QUADEFFECTS1)
1838 static void VM_CL_te_explosionquad (void)
1839 {
1840         float           *pos;
1841         vec3_t          pos2;
1842         VM_SAFEPARMCOUNT(1, VM_CL_te_explosionquad);
1843
1844         pos = PRVM_G_VECTOR(OFS_PARM0);
1845         CL_FindNonSolidLocation(pos, pos2, 10);
1846         CL_ParticleEffect(EFFECT_TE_EXPLOSIONQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1847         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1848 }
1849
1850 // #416 void(vector org) te_smallflash (DP_TE_SMALLFLASH)
1851 static void VM_CL_te_smallflash (void)
1852 {
1853         float           *pos;
1854         vec3_t          pos2;
1855         VM_SAFEPARMCOUNT(1, VM_CL_te_smallflash);
1856
1857         pos = PRVM_G_VECTOR(OFS_PARM0);
1858         CL_FindNonSolidLocation(pos, pos2, 10);
1859         CL_ParticleEffect(EFFECT_TE_SMALLFLASH, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1860 }
1861
1862 // #417 void(vector org, float radius, float lifetime, vector color) te_customflash (DP_TE_CUSTOMFLASH)
1863 static void VM_CL_te_customflash (void)
1864 {
1865         float           *pos;
1866         vec3_t          pos2;
1867         matrix4x4_t     tempmatrix;
1868         VM_SAFEPARMCOUNT(4, VM_CL_te_customflash);
1869
1870         pos = PRVM_G_VECTOR(OFS_PARM0);
1871         CL_FindNonSolidLocation(pos, pos2, 4);
1872         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1873         CL_AllocLightFlash(NULL, &tempmatrix, PRVM_G_FLOAT(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM3)[0], PRVM_G_VECTOR(OFS_PARM3)[1], PRVM_G_VECTOR(OFS_PARM3)[2], PRVM_G_FLOAT(OFS_PARM1) / PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM2), 0, -1, true, 1, 0.25, 1, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1874 }
1875
1876 // #418 void(vector org) te_gunshot (DP_TE_STANDARDEFFECTBUILTINS)
1877 static void VM_CL_te_gunshot (void)
1878 {
1879         float           *pos;
1880         vec3_t          pos2;
1881         int                     rnd;
1882         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshot);
1883
1884         pos = PRVM_G_VECTOR(OFS_PARM0);
1885         CL_FindNonSolidLocation(pos, pos2, 4);
1886         CL_ParticleEffect(EFFECT_TE_GUNSHOT, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1887         if(cl_sound_ric_gunshot.integer == 1 || cl_sound_ric_gunshot.integer == 3)
1888         {
1889                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1890                 else
1891                 {
1892                         rnd = rand() & 3;
1893                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1894                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1895                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1896                 }
1897         }
1898 }
1899
1900 // #419 void(vector org) te_spike (DP_TE_STANDARDEFFECTBUILTINS)
1901 static void VM_CL_te_spike (void)
1902 {
1903         float           *pos;
1904         vec3_t          pos2;
1905         int                     rnd;
1906         VM_SAFEPARMCOUNT(1, VM_CL_te_spike);
1907
1908         pos = PRVM_G_VECTOR(OFS_PARM0);
1909         CL_FindNonSolidLocation(pos, pos2, 4);
1910         CL_ParticleEffect(EFFECT_TE_SPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1911         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1912         else
1913         {
1914                 rnd = rand() & 3;
1915                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1916                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1917                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1918         }
1919 }
1920
1921 // #420 void(vector org) te_superspike (DP_TE_STANDARDEFFECTBUILTINS)
1922 static void VM_CL_te_superspike (void)
1923 {
1924         float           *pos;
1925         vec3_t          pos2;
1926         int                     rnd;
1927         VM_SAFEPARMCOUNT(1, VM_CL_te_superspike);
1928
1929         pos = PRVM_G_VECTOR(OFS_PARM0);
1930         CL_FindNonSolidLocation(pos, pos2, 4);
1931         CL_ParticleEffect(EFFECT_TE_SUPERSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1932         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1933         else
1934         {
1935                 rnd = rand() & 3;
1936                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1937                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1938                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1939         }
1940 }
1941
1942 // #421 void(vector org) te_explosion (DP_TE_STANDARDEFFECTBUILTINS)
1943 static void VM_CL_te_explosion (void)
1944 {
1945         float           *pos;
1946         vec3_t          pos2;
1947         VM_SAFEPARMCOUNT(1, VM_CL_te_explosion);
1948
1949         pos = PRVM_G_VECTOR(OFS_PARM0);
1950         CL_FindNonSolidLocation(pos, pos2, 10);
1951         CL_ParticleEffect(EFFECT_TE_EXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1952         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1953 }
1954
1955 // #422 void(vector org) te_tarexplosion (DP_TE_STANDARDEFFECTBUILTINS)
1956 static void VM_CL_te_tarexplosion (void)
1957 {
1958         float           *pos;
1959         vec3_t          pos2;
1960         VM_SAFEPARMCOUNT(1, VM_CL_te_tarexplosion);
1961
1962         pos = PRVM_G_VECTOR(OFS_PARM0);
1963         CL_FindNonSolidLocation(pos, pos2, 10);
1964         CL_ParticleEffect(EFFECT_TE_TAREXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1965         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1966 }
1967
1968 // #423 void(vector org) te_wizspike (DP_TE_STANDARDEFFECTBUILTINS)
1969 static void VM_CL_te_wizspike (void)
1970 {
1971         float           *pos;
1972         vec3_t          pos2;
1973         VM_SAFEPARMCOUNT(1, VM_CL_te_wizspike);
1974
1975         pos = PRVM_G_VECTOR(OFS_PARM0);
1976         CL_FindNonSolidLocation(pos, pos2, 4);
1977         CL_ParticleEffect(EFFECT_TE_WIZSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1978         S_StartSound(-1, 0, cl.sfx_wizhit, pos2, 1, 1);
1979 }
1980
1981 // #424 void(vector org) te_knightspike (DP_TE_STANDARDEFFECTBUILTINS)
1982 static void VM_CL_te_knightspike (void)
1983 {
1984         float           *pos;
1985         vec3_t          pos2;
1986         VM_SAFEPARMCOUNT(1, VM_CL_te_knightspike);
1987
1988         pos = PRVM_G_VECTOR(OFS_PARM0);
1989         CL_FindNonSolidLocation(pos, pos2, 4);
1990         CL_ParticleEffect(EFFECT_TE_KNIGHTSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1991         S_StartSound(-1, 0, cl.sfx_knighthit, pos2, 1, 1);
1992 }
1993
1994 // #425 void(vector org) te_lavasplash (DP_TE_STANDARDEFFECTBUILTINS)
1995 static void VM_CL_te_lavasplash (void)
1996 {
1997         VM_SAFEPARMCOUNT(1, VM_CL_te_lavasplash);
1998         CL_ParticleEffect(EFFECT_TE_LAVASPLASH, 1, PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM0), vec3_origin, vec3_origin, NULL, 0);
1999 }
2000
2001 // #426 void(vector org) te_teleport (DP_TE_STANDARDEFFECTBUILTINS)
2002 static void VM_CL_te_teleport (void)
2003 {
2004         VM_SAFEPARMCOUNT(1, VM_CL_te_teleport);
2005         CL_ParticleEffect(EFFECT_TE_TELEPORT, 1, PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM0), vec3_origin, vec3_origin, NULL, 0);
2006 }
2007
2008 // #427 void(vector org, float colorstart, float colorlength) te_explosion2 (DP_TE_STANDARDEFFECTBUILTINS)
2009 static void VM_CL_te_explosion2 (void)
2010 {
2011         float           *pos;
2012         vec3_t          pos2, color;
2013         matrix4x4_t     tempmatrix;
2014         int                     colorStart, colorLength;
2015         unsigned char           *tempcolor;
2016         VM_SAFEPARMCOUNT(3, VM_CL_te_explosion2);
2017
2018         pos = PRVM_G_VECTOR(OFS_PARM0);
2019         colorStart = (int)PRVM_G_FLOAT(OFS_PARM1);
2020         colorLength = (int)PRVM_G_FLOAT(OFS_PARM2);
2021         CL_FindNonSolidLocation(pos, pos2, 10);
2022         CL_ParticleExplosion2(pos2, colorStart, colorLength);
2023         tempcolor = palette_rgb[(rand()%colorLength) + colorStart];
2024         color[0] = tempcolor[0] * (2.0f / 255.0f);
2025         color[1] = tempcolor[1] * (2.0f / 255.0f);
2026         color[2] = tempcolor[2] * (2.0f / 255.0f);
2027         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2028         CL_AllocLightFlash(NULL, &tempmatrix, 350, color[0], color[1], color[2], 700, 0.5, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
2029         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2030 }
2031
2032
2033 // #428 void(entity own, vector start, vector end) te_lightning1 (DP_TE_STANDARDEFFECTBUILTINS)
2034 static void VM_CL_te_lightning1 (void)
2035 {
2036         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning1);
2037         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt, true);
2038 }
2039
2040 // #429 void(entity own, vector start, vector end) te_lightning2 (DP_TE_STANDARDEFFECTBUILTINS)
2041 static void VM_CL_te_lightning2 (void)
2042 {
2043         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning2);
2044         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt2, true);
2045 }
2046
2047 // #430 void(entity own, vector start, vector end) te_lightning3 (DP_TE_STANDARDEFFECTBUILTINS)
2048 static void VM_CL_te_lightning3 (void)
2049 {
2050         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning3);
2051         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt3, false);
2052 }
2053
2054 // #431 void(entity own, vector start, vector end) te_beam (DP_TE_STANDARDEFFECTBUILTINS)
2055 static void VM_CL_te_beam (void)
2056 {
2057         VM_SAFEPARMCOUNT(3, VM_CL_te_beam);
2058         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_beam, false);
2059 }
2060
2061 // #433 void(vector org) te_plasmaburn (DP_TE_PLASMABURN)
2062 static void VM_CL_te_plasmaburn (void)
2063 {
2064         float           *pos;
2065         vec3_t          pos2;
2066         VM_SAFEPARMCOUNT(1, VM_CL_te_plasmaburn);
2067
2068         pos = PRVM_G_VECTOR(OFS_PARM0);
2069         CL_FindNonSolidLocation(pos, pos2, 4);
2070         CL_ParticleEffect(EFFECT_TE_PLASMABURN, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2071 }
2072
2073 // #457 void(vector org, vector velocity, float howmany) te_flamejet (DP_TE_FLAMEJET)
2074 static void VM_CL_te_flamejet (void)
2075 {
2076         float *pos;
2077         vec3_t pos2;
2078         VM_SAFEPARMCOUNT(3, VM_CL_te_flamejet);
2079         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
2080                 return;
2081         pos = PRVM_G_VECTOR(OFS_PARM0);
2082         CL_FindNonSolidLocation(pos, pos2, 4);
2083         CL_ParticleEffect(EFFECT_TE_FLAMEJET, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
2084 }
2085
2086
2087 // #443 void(entity e, entity tagentity, string tagname) setattachment
2088 void VM_CL_setattachment (void)
2089 {
2090         prvm_edict_t *e;
2091         prvm_edict_t *tagentity;
2092         const char *tagname;
2093         int modelindex;
2094         int tagindex;
2095         dp_model_t *model;
2096         VM_SAFEPARMCOUNT(3, VM_CL_setattachment);
2097
2098         e = PRVM_G_EDICT(OFS_PARM0);
2099         tagentity = PRVM_G_EDICT(OFS_PARM1);
2100         tagname = PRVM_G_STRING(OFS_PARM2);
2101
2102         if (e == prog->edicts)
2103         {
2104                 VM_Warning("setattachment: can not modify world entity\n");
2105                 return;
2106         }
2107         if (e->priv.server->free)
2108         {
2109                 VM_Warning("setattachment: can not modify free entity\n");
2110                 return;
2111         }
2112
2113         if (tagentity == NULL)
2114                 tagentity = prog->edicts;
2115
2116         tagindex = 0;
2117         if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
2118         {
2119                 modelindex = (int)tagentity->fields.client->modelindex;
2120                 model = CL_GetModelByIndex(modelindex);
2121                 if (model)
2122                 {
2123                         tagindex = Mod_Alias_GetTagIndexForName(model, (int)tagentity->fields.client->skin, tagname);
2124                         if (tagindex == 0)
2125                                 Con_DPrintf("setattachment(edict %i, edict %i, string \"%s\"): tried to find tag named \"%s\" on entity %i (model \"%s\") but could not find it\n", PRVM_NUM_FOR_EDICT(e), PRVM_NUM_FOR_EDICT(tagentity), tagname, tagname, PRVM_NUM_FOR_EDICT(tagentity), model->name);
2126                 }
2127                 else
2128                         Con_DPrintf("setattachment(edict %i, edict %i, string \"%s\"): tried to find tag named \"%s\" on entity %i but it has no model\n", PRVM_NUM_FOR_EDICT(e), PRVM_NUM_FOR_EDICT(tagentity), tagname, tagname, PRVM_NUM_FOR_EDICT(tagentity));
2129         }
2130
2131         PRVM_clientedictedict(e, tag_entity) = PRVM_EDICT_TO_PROG(tagentity);
2132         PRVM_clientedictfloat(e, tag_index) = tagindex;
2133 }
2134
2135 /////////////////////////////////////////
2136 // DP_MD3_TAGINFO extension coded by VorteX
2137
2138 int CL_GetTagIndex (prvm_edict_t *e, const char *tagname)
2139 {
2140         dp_model_t *model = CL_GetModelFromEdict(e);
2141         if (model)
2142                 return Mod_Alias_GetTagIndexForName(model, (int)e->fields.client->skin, tagname);
2143         else
2144                 return -1;
2145 }
2146
2147 int CL_GetExtendedTagInfo (prvm_edict_t *e, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix)
2148 {
2149         int r;
2150         dp_model_t *model;
2151
2152         *tagname = NULL;
2153         *parentindex = 0;
2154         Matrix4x4_CreateIdentity(tag_localmatrix);
2155
2156         if (tagindex >= 0
2157          && (model = CL_GetModelFromEdict(e))
2158          && model->animscenes)
2159         {
2160                 r = Mod_Alias_GetExtendedTagInfoForIndex(model, (int)e->fields.client->skin, e->priv.server->frameblend, &e->priv.server->skeleton, tagindex - 1, parentindex, tagname, tag_localmatrix);
2161
2162                 if(!r) // success?
2163                         *parentindex += 1;
2164
2165                 return r;
2166         }
2167
2168         return 1;
2169 }
2170
2171 int CL_GetPitchSign(prvm_edict_t *ent)
2172 {
2173         dp_model_t *model;
2174         if ((model = CL_GetModelFromEdict(ent)) && model->type == mod_alias)
2175                 return -1;
2176         return 1;
2177 }
2178
2179 void CL_GetEntityMatrix (prvm_edict_t *ent, matrix4x4_t *out, qboolean viewmatrix)
2180 {
2181         float scale;
2182         float pitchsign = 1;
2183
2184         scale = PRVM_clientedictfloat(ent, scale);
2185         if (!scale)
2186                 scale = 1.0f;
2187
2188         if(viewmatrix)
2189                 *out = r_refdef.view.matrix;
2190         else if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_USEAXIS)
2191         {
2192                 vec3_t forward;
2193                 vec3_t left;
2194                 vec3_t up;
2195                 vec3_t origin;
2196                 VectorScale(prog->globals.client->v_forward, scale, forward);
2197                 VectorScale(prog->globals.client->v_right, -scale, left);
2198                 VectorScale(prog->globals.client->v_up, scale, up);
2199                 VectorCopy(ent->fields.client->origin, origin);
2200                 Matrix4x4_FromVectors(out, forward, left, up, origin);
2201         }
2202         else
2203         {
2204                 pitchsign = CL_GetPitchSign(ent);
2205                 Matrix4x4_CreateFromQuakeEntity(out, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2], pitchsign * ent->fields.client->angles[0], ent->fields.client->angles[1], ent->fields.client->angles[2], scale);
2206         }
2207 }
2208
2209 int CL_GetEntityLocalTagMatrix(prvm_edict_t *ent, int tagindex, matrix4x4_t *out)
2210 {
2211         dp_model_t *model;
2212         if (tagindex >= 0
2213          && (model = CL_GetModelFromEdict(ent))
2214          && model->animscenes)
2215         {
2216                 VM_GenerateFrameGroupBlend(ent->priv.server->framegroupblend, ent);
2217                 VM_FrameBlendFromFrameGroupBlend(ent->priv.server->frameblend, ent->priv.server->framegroupblend, model);
2218                 VM_UpdateEdictSkeleton(ent, model, ent->priv.server->frameblend);
2219                 return Mod_Alias_GetTagMatrix(model, ent->priv.server->frameblend, &ent->priv.server->skeleton, tagindex, out);
2220         }
2221         *out = identitymatrix;
2222         return 0;
2223 }
2224
2225 // Warnings/errors code:
2226 // 0 - normal (everything all-right)
2227 // 1 - world entity
2228 // 2 - free entity
2229 // 3 - null or non-precached model
2230 // 4 - no tags with requested index
2231 // 5 - runaway loop at attachment chain
2232 extern cvar_t cl_bob;
2233 extern cvar_t cl_bobcycle;
2234 extern cvar_t cl_bobup;
2235 int CL_GetTagMatrix (matrix4x4_t *out, prvm_edict_t *ent, int tagindex)
2236 {
2237         int ret;
2238         int attachloop;
2239         matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
2240         dp_model_t *model;
2241
2242         *out = identitymatrix; // warnings and errors return identical matrix
2243
2244         if (ent == prog->edicts)
2245                 return 1;
2246         if (ent->priv.server->free)
2247                 return 2;
2248
2249         model = CL_GetModelFromEdict(ent);
2250         if(!model)
2251                 return 3;
2252
2253         tagmatrix = identitymatrix;
2254         attachloop = 0;
2255         for(;;)
2256         {
2257                 if(attachloop >= 256)
2258                         return 5;
2259                 // apply transformation by child's tagindex on parent entity and then
2260                 // by parent entity itself
2261                 ret = CL_GetEntityLocalTagMatrix(ent, tagindex - 1, &attachmatrix);
2262                 if(ret && attachloop == 0)
2263                         return ret;
2264                 CL_GetEntityMatrix(ent, &entitymatrix, false);
2265                 Matrix4x4_Concat(&tagmatrix, &attachmatrix, out);
2266                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2267                 // next iteration we process the parent entity
2268                 if (PRVM_clientedictedict(ent, tag_entity))
2269                 {
2270                         tagindex = (int)PRVM_clientedictfloat(ent, tag_index);
2271                         ent = PRVM_EDICT_NUM(PRVM_clientedictedict(ent, tag_entity));
2272                 }
2273                 else
2274                         break;
2275                 attachloop++;
2276         }
2277
2278         // RENDER_VIEWMODEL magic
2279         if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_VIEWMODEL)
2280         {
2281                 Matrix4x4_Copy(&tagmatrix, out);
2282
2283                 CL_GetEntityMatrix(prog->edicts, &entitymatrix, true);
2284                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2285
2286                 /*
2287                 // Cl_bob, ported from rendering code
2288                 if (ent->fields.client->health > 0 && cl_bob.value && cl_bobcycle.value)
2289                 {
2290                         double bob, cycle;
2291                         // LordHavoc: this code is *weird*, but not replacable (I think it
2292                         // should be done in QC on the server, but oh well, quake is quake)
2293                         // LordHavoc: figured out bobup: the time at which the sin is at 180
2294                         // degrees (which allows lengthening or squishing the peak or valley)
2295                         cycle = cl.time/cl_bobcycle.value;
2296                         cycle -= (int)cycle;
2297                         if (cycle < cl_bobup.value)
2298                                 cycle = sin(M_PI * cycle / cl_bobup.value);
2299                         else
2300                                 cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
2301                         // bob is proportional to velocity in the xy plane
2302                         // (don't count Z, or jumping messes it up)
2303                         bob = sqrt(ent->fields.client->velocity[0]*ent->fields.client->velocity[0] + ent->fields.client->velocity[1]*ent->fields.client->velocity[1])*cl_bob.value;
2304                         bob = bob*0.3 + bob*0.7*cycle;
2305                         Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
2306                 }
2307                 */
2308         }
2309         return 0;
2310 }
2311
2312 // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
2313 void VM_CL_gettagindex (void)
2314 {
2315         prvm_edict_t *ent;
2316         const char *tag_name;
2317         int tag_index;
2318
2319         VM_SAFEPARMCOUNT(2, VM_CL_gettagindex);
2320
2321         ent = PRVM_G_EDICT(OFS_PARM0);
2322         tag_name = PRVM_G_STRING(OFS_PARM1);
2323         if (ent == prog->edicts)
2324         {
2325                 VM_Warning("VM_CL_gettagindex(entity #%i): can't affect world entity\n", PRVM_NUM_FOR_EDICT(ent));
2326                 return;
2327         }
2328         if (ent->priv.server->free)
2329         {
2330                 VM_Warning("VM_CL_gettagindex(entity #%i): can't affect free entity\n", PRVM_NUM_FOR_EDICT(ent));
2331                 return;
2332         }
2333
2334         tag_index = 0;
2335         if (!CL_GetModelFromEdict(ent))
2336                 Con_DPrintf("VM_CL_gettagindex(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(ent));
2337         else
2338         {
2339                 tag_index = CL_GetTagIndex(ent, tag_name);
2340                 if (tag_index == 0)
2341                         Con_DPrintf("VM_CL_gettagindex(entity #%i): tag \"%s\" not found\n", PRVM_NUM_FOR_EDICT(ent), tag_name);
2342         }
2343         PRVM_G_FLOAT(OFS_RETURN) = tag_index;
2344 }
2345
2346 // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
2347 void VM_CL_gettaginfo (void)
2348 {
2349         prvm_edict_t *e;
2350         int tagindex;
2351         matrix4x4_t tag_matrix;
2352         matrix4x4_t tag_localmatrix;
2353         int parentindex;
2354         const char *tagname;
2355         int returncode;
2356         vec3_t fo, le, up, trans;
2357         const dp_model_t *model;
2358
2359         VM_SAFEPARMCOUNT(2, VM_CL_gettaginfo);
2360
2361         e = PRVM_G_EDICT(OFS_PARM0);
2362         tagindex = (int)PRVM_G_FLOAT(OFS_PARM1);
2363         returncode = CL_GetTagMatrix(&tag_matrix, e, tagindex);
2364         Matrix4x4_ToVectors(&tag_matrix, prog->globals.client->v_forward, le, prog->globals.client->v_up, PRVM_G_VECTOR(OFS_RETURN));
2365         VectorScale(le, -1, prog->globals.client->v_right);
2366         model = CL_GetModelFromEdict(e);
2367         VM_GenerateFrameGroupBlend(e->priv.server->framegroupblend, e);
2368         VM_FrameBlendFromFrameGroupBlend(e->priv.server->frameblend, e->priv.server->framegroupblend, model);
2369         VM_UpdateEdictSkeleton(e, model, e->priv.server->frameblend);
2370         CL_GetExtendedTagInfo(e, tagindex, &parentindex, &tagname, &tag_localmatrix);
2371         Matrix4x4_ToVectors(&tag_localmatrix, fo, le, up, trans);
2372
2373         PRVM_clientglobalfloat(gettaginfo_parent) = parentindex;
2374         PRVM_clientglobalstring(gettaginfo_name) = tagname ? PRVM_SetTempString(tagname) : 0;
2375         VectorCopy(trans, PRVM_clientglobalvector(gettaginfo_offset));
2376         VectorCopy(fo, PRVM_clientglobalvector(gettaginfo_forward));
2377         VectorScale(le, -1, PRVM_clientglobalvector(gettaginfo_right));
2378         VectorCopy(up, PRVM_clientglobalvector(gettaginfo_up));
2379
2380         switch(returncode)
2381         {
2382                 case 1:
2383                         VM_Warning("gettagindex: can't affect world entity\n");
2384                         break;
2385                 case 2:
2386                         VM_Warning("gettagindex: can't affect free entity\n");
2387                         break;
2388                 case 3:
2389                         Con_DPrintf("CL_GetTagMatrix(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(e));
2390                         break;
2391                 case 4:
2392                         Con_DPrintf("CL_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", PRVM_NUM_FOR_EDICT(e), tagindex);
2393                         break;
2394                 case 5:
2395                         Con_DPrintf("CL_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", PRVM_NUM_FOR_EDICT(e));
2396                         break;
2397         }
2398 }
2399
2400 //============================================================================
2401
2402 //====================
2403 // DP_CSQC_SPAWNPARTICLE
2404 // a QC hook to engine's CL_NewParticle
2405 //====================
2406
2407 // particle theme struct
2408 typedef struct vmparticletheme_s
2409 {
2410         unsigned short typeindex;
2411         qboolean initialized;
2412         pblend_t blendmode;
2413         porientation_t orientation;
2414         int color1;
2415         int color2;
2416         int tex;
2417         float size;
2418         float sizeincrease;
2419         float alpha;
2420         float alphafade;
2421         float gravity;
2422         float bounce;
2423         float airfriction;
2424         float liquidfriction;
2425         float originjitter;
2426         float velocityjitter;
2427         qboolean qualityreduction;
2428         float lifetime;
2429         float stretch;
2430         int staincolor1;
2431         int staincolor2;
2432         int staintex;
2433         float stainalpha;
2434         float stainsize;
2435         float delayspawn;
2436         float delaycollision;
2437         float angle;
2438         float spin;
2439 }vmparticletheme_t;
2440
2441 // particle spawner
2442 typedef struct vmparticlespawner_s
2443 {
2444         mempool_t                       *pool;
2445         qboolean                        initialized;
2446         qboolean                        verified;
2447         vmparticletheme_t       *themes;
2448         int                                     max_themes;
2449         // global addresses
2450         float *particle_type;
2451         float *particle_blendmode; 
2452         float *particle_orientation;
2453         float *particle_color1;
2454         float *particle_color2;
2455         float *particle_tex;
2456         float *particle_size;
2457         float *particle_sizeincrease;
2458         float *particle_alpha;
2459         float *particle_alphafade;
2460         float *particle_time;
2461         float *particle_gravity;
2462         float *particle_bounce;
2463         float *particle_airfriction;
2464         float *particle_liquidfriction;
2465         float *particle_originjitter;
2466         float *particle_velocityjitter;
2467         float *particle_qualityreduction;
2468         float *particle_stretch;
2469         float *particle_staincolor1;
2470         float *particle_staincolor2;
2471         float *particle_stainalpha;
2472         float *particle_stainsize;
2473         float *particle_staintex;
2474         float *particle_delayspawn;
2475         float *particle_delaycollision;
2476         float *particle_angle;
2477         float *particle_spin;
2478 }vmparticlespawner_t;
2479
2480 vmparticlespawner_t vmpartspawner;
2481
2482 // TODO: automatic max_themes grow
2483 static void VM_InitParticleSpawner (int maxthemes)
2484 {
2485         // bound max themes to not be an insane value
2486         if (maxthemes < 4)
2487                 maxthemes = 4;
2488         if (maxthemes > 2048)
2489                 maxthemes = 2048;
2490         // allocate and set up structure
2491         if (vmpartspawner.initialized) // reallocate
2492         {
2493                 Mem_FreePool(&vmpartspawner.pool);
2494                 memset(&vmpartspawner, 0, sizeof(vmparticlespawner_t));
2495         }
2496         vmpartspawner.pool = Mem_AllocPool("VMPARTICLESPAWNER", 0, NULL);
2497         vmpartspawner.themes = (vmparticletheme_t *)Mem_Alloc(vmpartspawner.pool, sizeof(vmparticletheme_t)*maxthemes);
2498         vmpartspawner.max_themes = maxthemes;
2499         vmpartspawner.initialized = true;
2500         vmpartspawner.verified = true;
2501         // get field addresses for fast querying (we can do 1000 calls of spawnparticle in a frame)
2502         vmpartspawner.particle_type = &PRVM_clientglobalfloat(particle_type);
2503         vmpartspawner.particle_blendmode = &PRVM_clientglobalfloat(particle_blendmode);
2504         vmpartspawner.particle_orientation = &PRVM_clientglobalfloat(particle_orientation);
2505         vmpartspawner.particle_color1 = PRVM_clientglobalvector(particle_color1);
2506         vmpartspawner.particle_color2 = PRVM_clientglobalvector(particle_color2);
2507         vmpartspawner.particle_tex = &PRVM_clientglobalfloat(particle_tex);
2508         vmpartspawner.particle_size = &PRVM_clientglobalfloat(particle_size);
2509         vmpartspawner.particle_sizeincrease = &PRVM_clientglobalfloat(particle_sizeincrease);
2510         vmpartspawner.particle_alpha = &PRVM_clientglobalfloat(particle_alpha);
2511         vmpartspawner.particle_alphafade = &PRVM_clientglobalfloat(particle_alphafade);
2512         vmpartspawner.particle_time = &PRVM_clientglobalfloat(particle_time);
2513         vmpartspawner.particle_gravity = &PRVM_clientglobalfloat(particle_gravity);
2514         vmpartspawner.particle_bounce = &PRVM_clientglobalfloat(particle_bounce);
2515         vmpartspawner.particle_airfriction = &PRVM_clientglobalfloat(particle_airfriction);
2516         vmpartspawner.particle_liquidfriction = &PRVM_clientglobalfloat(particle_liquidfriction);
2517         vmpartspawner.particle_originjitter = &PRVM_clientglobalfloat(particle_originjitter);
2518         vmpartspawner.particle_velocityjitter = &PRVM_clientglobalfloat(particle_velocityjitter);
2519         vmpartspawner.particle_qualityreduction = &PRVM_clientglobalfloat(particle_qualityreduction);
2520         vmpartspawner.particle_stretch = &PRVM_clientglobalfloat(particle_stretch);
2521         vmpartspawner.particle_staincolor1 = PRVM_clientglobalvector(particle_staincolor1);
2522         vmpartspawner.particle_staincolor2 = PRVM_clientglobalvector(particle_staincolor2);
2523         vmpartspawner.particle_stainalpha = &PRVM_clientglobalfloat(particle_stainalpha);
2524         vmpartspawner.particle_stainsize = &PRVM_clientglobalfloat(particle_stainsize);
2525         vmpartspawner.particle_staintex = &PRVM_clientglobalfloat(particle_staintex);
2526         vmpartspawner.particle_staintex = &PRVM_clientglobalfloat(particle_staintex);
2527         vmpartspawner.particle_delayspawn = &PRVM_clientglobalfloat(particle_delayspawn);
2528         vmpartspawner.particle_delaycollision = &PRVM_clientglobalfloat(particle_delaycollision);
2529         vmpartspawner.particle_angle = &PRVM_clientglobalfloat(particle_angle);
2530         vmpartspawner.particle_spin = &PRVM_clientglobalfloat(particle_spin);
2531         #undef getglobal
2532         #undef getglobalvector
2533 }
2534
2535 // reset particle theme to default values
2536 static void VM_ResetParticleTheme (vmparticletheme_t *theme)
2537 {
2538         theme->initialized = true;
2539         theme->typeindex = pt_static;
2540         theme->blendmode = PBLEND_ADD;
2541         theme->orientation = PARTICLE_BILLBOARD;
2542         theme->color1 = 0x808080;
2543         theme->color2 = 0xFFFFFF;
2544         theme->tex = 63;
2545         theme->size = 2;
2546         theme->sizeincrease = 0;
2547         theme->alpha = 256;
2548         theme->alphafade = 512;
2549         theme->gravity = 0.0f;
2550         theme->bounce = 0.0f;
2551         theme->airfriction = 1.0f;
2552         theme->liquidfriction = 4.0f;
2553         theme->originjitter = 0.0f;
2554         theme->velocityjitter = 0.0f;
2555         theme->qualityreduction = false;
2556         theme->lifetime = 4;
2557         theme->stretch = 1;
2558         theme->staincolor1 = -1;
2559         theme->staincolor2 = -1;
2560         theme->staintex = -1;
2561         theme->delayspawn = 0.0f;
2562         theme->delaycollision = 0.0f;
2563         theme->angle = 0.0f;
2564         theme->spin = 0.0f;
2565 }
2566
2567 // particle theme -> QC globals
2568 void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme)
2569 {
2570         *vmpartspawner.particle_type = theme->typeindex;
2571         *vmpartspawner.particle_blendmode = theme->blendmode;
2572         *vmpartspawner.particle_orientation = theme->orientation;
2573         vmpartspawner.particle_color1[0] = (theme->color1 >> 16) & 0xFF; // VorteX: int only can store 0-255, not 0-256 which means 0 - 0,99609375...
2574         vmpartspawner.particle_color1[1] = (theme->color1 >> 8) & 0xFF;
2575         vmpartspawner.particle_color1[2] = (theme->color1 >> 0) & 0xFF;
2576         vmpartspawner.particle_color2[0] = (theme->color2 >> 16) & 0xFF;
2577         vmpartspawner.particle_color2[1] = (theme->color2 >> 8) & 0xFF;
2578         vmpartspawner.particle_color2[2] = (theme->color2 >> 0) & 0xFF;
2579         *vmpartspawner.particle_tex = (float)theme->tex;
2580         *vmpartspawner.particle_size = theme->size;
2581         *vmpartspawner.particle_sizeincrease = theme->sizeincrease;
2582         *vmpartspawner.particle_alpha = theme->alpha/256;
2583         *vmpartspawner.particle_alphafade = theme->alphafade/256;
2584         *vmpartspawner.particle_time = theme->lifetime;
2585         *vmpartspawner.particle_gravity = theme->gravity;
2586         *vmpartspawner.particle_bounce = theme->bounce;
2587         *vmpartspawner.particle_airfriction = theme->airfriction;
2588         *vmpartspawner.particle_liquidfriction = theme->liquidfriction;
2589         *vmpartspawner.particle_originjitter = theme->originjitter;
2590         *vmpartspawner.particle_velocityjitter = theme->velocityjitter;
2591         *vmpartspawner.particle_qualityreduction = theme->qualityreduction;
2592         *vmpartspawner.particle_stretch = theme->stretch;
2593         vmpartspawner.particle_staincolor1[0] = ((int)theme->staincolor1 >> 16) & 0xFF;
2594         vmpartspawner.particle_staincolor1[1] = ((int)theme->staincolor1 >> 8) & 0xFF;
2595         vmpartspawner.particle_staincolor1[2] = ((int)theme->staincolor1 >> 0) & 0xFF;
2596         vmpartspawner.particle_staincolor2[0] = ((int)theme->staincolor2 >> 16) & 0xFF;
2597         vmpartspawner.particle_staincolor2[1] = ((int)theme->staincolor2 >> 8) & 0xFF;
2598         vmpartspawner.particle_staincolor2[2] = ((int)theme->staincolor2 >> 0) & 0xFF;
2599         *vmpartspawner.particle_staintex = (float)theme->staintex;
2600         *vmpartspawner.particle_stainalpha = (float)theme->stainalpha/256;
2601         *vmpartspawner.particle_stainsize = (float)theme->stainsize;
2602         *vmpartspawner.particle_delayspawn = theme->delayspawn;
2603         *vmpartspawner.particle_delaycollision = theme->delaycollision;
2604         *vmpartspawner.particle_angle = theme->angle;
2605         *vmpartspawner.particle_spin = theme->spin;
2606 }
2607
2608 // QC globals ->  particle theme
2609 void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme)
2610 {
2611         theme->typeindex = (unsigned short)*vmpartspawner.particle_type;
2612         theme->blendmode = (pblend_t)(int)*vmpartspawner.particle_blendmode;
2613         theme->orientation = (porientation_t)(int)*vmpartspawner.particle_orientation;
2614         theme->color1 = ((int)vmpartspawner.particle_color1[0] << 16) + ((int)vmpartspawner.particle_color1[1] << 8) + ((int)vmpartspawner.particle_color1[2]);
2615         theme->color2 = ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]);
2616         theme->tex = (int)*vmpartspawner.particle_tex;
2617         theme->size = *vmpartspawner.particle_size;
2618         theme->sizeincrease = *vmpartspawner.particle_sizeincrease;
2619         theme->alpha = *vmpartspawner.particle_alpha*256;
2620         theme->alphafade = *vmpartspawner.particle_alphafade*256;
2621         theme->lifetime = *vmpartspawner.particle_time;
2622         theme->gravity = *vmpartspawner.particle_gravity;
2623         theme->bounce = *vmpartspawner.particle_bounce;
2624         theme->airfriction = *vmpartspawner.particle_airfriction;
2625         theme->liquidfriction = *vmpartspawner.particle_liquidfriction;
2626         theme->originjitter = *vmpartspawner.particle_originjitter;
2627         theme->velocityjitter = *vmpartspawner.particle_velocityjitter;
2628         theme->qualityreduction = (*vmpartspawner.particle_qualityreduction) ? true : false;
2629         theme->stretch = *vmpartspawner.particle_stretch;
2630         theme->staincolor1 = ((int)vmpartspawner.particle_staincolor1[0])*65536 + (int)(vmpartspawner.particle_staincolor1[1])*256 + (int)(vmpartspawner.particle_staincolor1[2]);
2631         theme->staincolor2 = (int)(vmpartspawner.particle_staincolor2[0])*65536 + (int)(vmpartspawner.particle_staincolor2[1])*256 + (int)(vmpartspawner.particle_staincolor2[2]);
2632         theme->staintex =(int)*vmpartspawner.particle_staintex;
2633         theme->stainalpha = *vmpartspawner.particle_stainalpha*256;
2634         theme->stainsize = *vmpartspawner.particle_stainsize;
2635         theme->delayspawn = *vmpartspawner.particle_delayspawn;
2636         theme->delaycollision = *vmpartspawner.particle_delaycollision;
2637         theme->angle = *vmpartspawner.particle_angle;
2638         theme->spin = *vmpartspawner.particle_spin;
2639 }
2640
2641 // init particle spawner interface
2642 // # float(float max_themes) initparticlespawner
2643 void VM_CL_InitParticleSpawner (void)
2644 {
2645         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_InitParticleSpawner);
2646         VM_InitParticleSpawner((int)PRVM_G_FLOAT(OFS_PARM0));
2647         vmpartspawner.themes[0].initialized = true;
2648         VM_ResetParticleTheme(&vmpartspawner.themes[0]);
2649         PRVM_G_FLOAT(OFS_RETURN) = (vmpartspawner.verified == true) ? 1 : 0;
2650 }
2651
2652 // void() resetparticle
2653 void VM_CL_ResetParticle (void)
2654 {
2655         VM_SAFEPARMCOUNT(0, VM_CL_ResetParticle);
2656         if (vmpartspawner.verified == false)
2657         {
2658                 VM_Warning("VM_CL_ResetParticle: particle spawner not initialized\n");
2659                 return;
2660         }
2661         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2662 }
2663
2664 // void(float themenum) particletheme
2665 void VM_CL_ParticleTheme (void)
2666 {
2667         int themenum;
2668
2669         VM_SAFEPARMCOUNT(1, VM_CL_ParticleTheme);
2670         if (vmpartspawner.verified == false)
2671         {
2672                 VM_Warning("VM_CL_ParticleTheme: particle spawner not initialized\n");
2673                 return;
2674         }
2675         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2676         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2677         {
2678                 VM_Warning("VM_CL_ParticleTheme: bad theme number %i\n", themenum);
2679                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2680                 return;
2681         }
2682         if (vmpartspawner.themes[themenum].initialized == false)
2683         {
2684                 VM_Warning("VM_CL_ParticleTheme: theme #%i not exists\n", themenum);
2685                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2686                 return;
2687         }
2688         // load particle theme into globals
2689         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[themenum]);
2690 }
2691
2692 // float() saveparticletheme
2693 // void(float themenum) updateparticletheme
2694 void VM_CL_ParticleThemeSave (void)
2695 {
2696         int themenum;
2697
2698         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_ParticleThemeSave);
2699         if (vmpartspawner.verified == false)
2700         {
2701                 VM_Warning("VM_CL_ParticleThemeSave: particle spawner not initialized\n");
2702                 return;
2703         }
2704         // allocate new theme, save it and return
2705         if (prog->argc < 1)
2706         {
2707                 for (themenum = 0; themenum < vmpartspawner.max_themes; themenum++)
2708                         if (vmpartspawner.themes[themenum].initialized == false)
2709                                 break;
2710                 if (themenum >= vmpartspawner.max_themes)
2711                 {
2712                         if (vmpartspawner.max_themes == 2048)
2713                                 VM_Warning("VM_CL_ParticleThemeSave: no free theme slots\n");
2714                         else
2715                                 VM_Warning("VM_CL_ParticleThemeSave: no free theme slots, try initparticlespawner() with highter max_themes\n");
2716                         PRVM_G_FLOAT(OFS_RETURN) = -1;
2717                         return;
2718                 }
2719                 vmpartspawner.themes[themenum].initialized = true;
2720                 VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum]);
2721                 PRVM_G_FLOAT(OFS_RETURN) = themenum;
2722                 return;
2723         }
2724         // update existing theme
2725         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2726         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2727         {
2728                 VM_Warning("VM_CL_ParticleThemeSave: bad theme number %i\n", themenum);
2729                 return;
2730         }
2731         vmpartspawner.themes[themenum].initialized = true;
2732         VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum]);
2733 }
2734
2735 // void(float themenum) freeparticletheme
2736 void VM_CL_ParticleThemeFree (void)
2737 {
2738         int themenum;
2739
2740         VM_SAFEPARMCOUNT(1, VM_CL_ParticleThemeFree);
2741         if (vmpartspawner.verified == false)
2742         {
2743                 VM_Warning("VM_CL_ParticleThemeFree: particle spawner not initialized\n");
2744                 return;
2745         }
2746         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2747         // check parms
2748         if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2749         {
2750                 VM_Warning("VM_CL_ParticleThemeFree: bad theme number %i\n", themenum);
2751                 return;
2752         }
2753         if (vmpartspawner.themes[themenum].initialized == false)
2754         {
2755                 VM_Warning("VM_CL_ParticleThemeFree: theme #%i already freed\n", themenum);
2756                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2757                 return;
2758         }
2759         // free theme
2760         VM_ResetParticleTheme(&vmpartspawner.themes[themenum]);
2761         vmpartspawner.themes[themenum].initialized = false;
2762 }
2763
2764 // float(vector org, vector dir, [float theme]) particle
2765 // returns 0 if failed, 1 if succesful
2766 void VM_CL_SpawnParticle (void)
2767 {
2768         float *org, *dir;
2769         vmparticletheme_t *theme;
2770         particle_t *part;
2771         int themenum;
2772
2773         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_SpawnParticle2);
2774         if (vmpartspawner.verified == false)
2775         {
2776                 VM_Warning("VM_CL_SpawnParticle: particle spawner not initialized\n");
2777                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2778                 return;
2779         }
2780         org = PRVM_G_VECTOR(OFS_PARM0);
2781         dir = PRVM_G_VECTOR(OFS_PARM1);
2782         
2783         if (prog->argc < 3) // global-set particle
2784         {
2785                 part = CL_NewParticle(org, (unsigned short)*vmpartspawner.particle_type, ((int)(vmpartspawner.particle_color1[0]) << 16) + ((int)(vmpartspawner.particle_color1[1]) << 8) + ((int)(vmpartspawner.particle_color1[2])), ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]), (int)*vmpartspawner.particle_tex, *vmpartspawner.particle_size, *vmpartspawner.particle_sizeincrease, *vmpartspawner.particle_alpha*256, *vmpartspawner.particle_alphafade*256, *vmpartspawner.particle_gravity, *vmpartspawner.particle_bounce, org[0], org[1], org[2], dir[0], dir[1], dir[2], *vmpartspawner.particle_airfriction, *vmpartspawner.particle_liquidfriction, *vmpartspawner.particle_originjitter, *vmpartspawner.particle_velocityjitter, (*vmpartspawner.particle_qualityreduction) ? true : false, *vmpartspawner.particle_time, *vmpartspawner.particle_stretch, (pblend_t)(int)*vmpartspawner.particle_blendmode, (porientation_t)(int)*vmpartspawner.particle_orientation, (int)(vmpartspawner.particle_staincolor1[0])*65536 + (int)(vmpartspawner.particle_staincolor1[1])*256 + (int)(vmpartspawner.particle_staincolor1[2]), (int)(vmpartspawner.particle_staincolor2[0])*65536 + (int)(vmpartspawner.particle_staincolor2[1])*256 + (int)(vmpartspawner.particle_staincolor2[2]), (int)*vmpartspawner.particle_staintex, *vmpartspawner.particle_stainalpha*256, *vmpartspawner.particle_stainsize, *vmpartspawner.particle_angle, *vmpartspawner.particle_spin, NULL);
2786                 if (!part)
2787                 {
2788                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2789                         return;
2790                 }
2791                 if (*vmpartspawner.particle_delayspawn)
2792                         part->delayedspawn = cl.time + *vmpartspawner.particle_delayspawn;
2793                 //if (*vmpartspawner.particle_delaycollision)
2794                 //      part->delayedcollisions = cl.time + *vmpartspawner.particle_delaycollision;
2795         }
2796         else // quick themed particle
2797         {
2798                 themenum = (int)PRVM_G_FLOAT(OFS_PARM2);
2799                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2800                 {
2801                         VM_Warning("VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2802                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2803                         return;
2804                 }
2805                 theme = &vmpartspawner.themes[themenum];
2806                 part = CL_NewParticle(org, theme->typeindex, theme->color1, theme->color2, theme->tex, theme->size, theme->sizeincrease, theme->alpha, theme->alphafade, theme->gravity, theme->bounce, org[0], org[1], org[2], dir[0], dir[1], dir[2], theme->airfriction, theme->liquidfriction, theme->originjitter, theme->velocityjitter, theme->qualityreduction, theme->lifetime, theme->stretch, theme->blendmode, theme->orientation, theme->staincolor1, theme->staincolor2, theme->staintex, theme->stainalpha, theme->stainsize, theme->angle, theme->spin, NULL);
2807                 if (!part)
2808                 {
2809                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2810                         return;
2811                 }
2812                 if (theme->delayspawn)
2813                         part->delayedspawn = cl.time + theme->delayspawn;
2814                 //if (theme->delaycollision)
2815                 //      part->delayedcollisions = cl.time + theme->delaycollision;
2816         }
2817         PRVM_G_FLOAT(OFS_RETURN) = 1; 
2818 }
2819
2820 // float(vector org, vector dir, float spawndelay, float collisiondelay, [float theme]) delayedparticle
2821 // returns 0 if failed, 1 if success
2822 void VM_CL_SpawnParticleDelayed (void)
2823 {
2824         float *org, *dir;
2825         vmparticletheme_t *theme;
2826         particle_t *part;
2827         int themenum;
2828
2829         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_SpawnParticle2);
2830         if (vmpartspawner.verified == false)
2831         {
2832                 VM_Warning("VM_CL_SpawnParticle: particle spawner not initialized\n");
2833                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2834                 return;
2835         }
2836         org = PRVM_G_VECTOR(OFS_PARM0);
2837         dir = PRVM_G_VECTOR(OFS_PARM1);
2838         if (prog->argc < 5) // global-set particle
2839                 part = CL_NewParticle(org, (unsigned short)*vmpartspawner.particle_type, ((int)vmpartspawner.particle_color1[0] << 16) + ((int)vmpartspawner.particle_color1[1] << 8) + ((int)vmpartspawner.particle_color1[2]), ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]), (int)*vmpartspawner.particle_tex, *vmpartspawner.particle_size, *vmpartspawner.particle_sizeincrease, *vmpartspawner.particle_alpha*256, *vmpartspawner.particle_alphafade*256, *vmpartspawner.particle_gravity, *vmpartspawner.particle_bounce, org[0], org[1], org[2], dir[0], dir[1], dir[2], *vmpartspawner.particle_airfriction, *vmpartspawner.particle_liquidfriction, *vmpartspawner.particle_originjitter, *vmpartspawner.particle_velocityjitter, (*vmpartspawner.particle_qualityreduction) ? true : false, *vmpartspawner.particle_time, *vmpartspawner.particle_stretch, (pblend_t)(int)*vmpartspawner.particle_blendmode, (porientation_t)(int)*vmpartspawner.particle_orientation, ((int)vmpartspawner.particle_staincolor1[0] << 16) + ((int)vmpartspawner.particle_staincolor1[1] << 8) + ((int)vmpartspawner.particle_staincolor1[2]), ((int)vmpartspawner.particle_staincolor2[0] << 16) + ((int)vmpartspawner.particle_staincolor2[1] << 8) + ((int)vmpartspawner.particle_staincolor2[2]), (int)*vmpartspawner.particle_staintex, *vmpartspawner.particle_stainalpha*256, *vmpartspawner.particle_stainsize, *vmpartspawner.particle_angle, *vmpartspawner.particle_spin, NULL);
2840         else // themed particle
2841         {
2842                 themenum = (int)PRVM_G_FLOAT(OFS_PARM4);
2843                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2844                 {
2845                         VM_Warning("VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2846                         PRVM_G_FLOAT(OFS_RETURN) = 0;  
2847                         return;
2848                 }
2849                 theme = &vmpartspawner.themes[themenum];
2850                 part = CL_NewParticle(org, theme->typeindex, theme->color1, theme->color2, theme->tex, theme->size, theme->sizeincrease, theme->alpha, theme->alphafade, theme->gravity, theme->bounce, org[0], org[1], org[2], dir[0], dir[1], dir[2], theme->airfriction, theme->liquidfriction, theme->originjitter, theme->velocityjitter, theme->qualityreduction, theme->lifetime, theme->stretch, theme->blendmode, theme->orientation, theme->staincolor1, theme->staincolor2, theme->staintex, theme->stainalpha, theme->stainsize, theme->angle, theme->spin, NULL);
2851         }
2852         if (!part) 
2853         { 
2854                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2855                 return; 
2856         }
2857         part->delayedspawn = cl.time + PRVM_G_FLOAT(OFS_PARM2);
2858         //part->delayedcollisions = cl.time + PRVM_G_FLOAT(OFS_PARM3);
2859         PRVM_G_FLOAT(OFS_RETURN) = 0;
2860 }
2861
2862 //====================
2863 //CSQC engine entities query
2864 //====================
2865
2866 // float(float entitynum, float whatfld) getentity;
2867 // vector(float entitynum, float whatfld) getentityvec;
2868 // querying engine-drawn entity
2869 // VorteX: currently it's only tested with whatfld = 1..7
2870 void VM_CL_GetEntity (void)
2871 {
2872         int entnum, fieldnum;
2873         float org[3], v1[3], v2[3];
2874         VM_SAFEPARMCOUNT(2, VM_CL_GetEntityVec);
2875
2876         entnum = PRVM_G_FLOAT(OFS_PARM0);
2877         if (entnum < 0 || entnum >= cl.num_entities)
2878         {
2879                 PRVM_G_FLOAT(OFS_RETURN) = 0;
2880                 return;
2881         }
2882         fieldnum = PRVM_G_FLOAT(OFS_PARM1);
2883         switch(fieldnum)
2884         {
2885                 case 0: // active state
2886                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities_active[entnum];
2887                         break;
2888                 case 1: // origin
2889                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, PRVM_G_VECTOR(OFS_RETURN));
2890                         break; 
2891                 case 2: // forward
2892                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, PRVM_G_VECTOR(OFS_RETURN), v1, v2, org);        
2893                         break;
2894                 case 3: // right
2895                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, v1, PRVM_G_VECTOR(OFS_RETURN), v2, org);        
2896                         break;
2897                 case 4: // up
2898                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, v1, v2, PRVM_G_VECTOR(OFS_RETURN), org);        
2899                         break;
2900                 case 5: // scale
2901                         PRVM_G_FLOAT(OFS_RETURN) = Matrix4x4_ScaleFromMatrix(&cl.entities[entnum].render.matrix);
2902                         break;  
2903                 case 6: // origin + v_forward, v_right, v_up
2904                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, prog->globals.client->v_forward, prog->globals.client->v_right, prog->globals.client->v_up, PRVM_G_VECTOR(OFS_RETURN)); 
2905                         break;  
2906                 case 7: // alpha
2907                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.alpha;
2908                         break;  
2909                 case 8: // colormor
2910                         VectorCopy(cl.entities[entnum].render.colormod, PRVM_G_VECTOR(OFS_RETURN));
2911                         break;
2912                 case 9: // pants colormod
2913                         VectorCopy(cl.entities[entnum].render.colormap_pantscolor, PRVM_G_VECTOR(OFS_RETURN));
2914                         break;
2915                 case 10: // shirt colormod
2916                         VectorCopy(cl.entities[entnum].render.colormap_shirtcolor, PRVM_G_VECTOR(OFS_RETURN));
2917                         break;
2918                 case 11: // skinnum
2919                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.skinnum;
2920                         break;  
2921                 case 12: // mins
2922                         VectorCopy(cl.entities[entnum].render.mins, PRVM_G_VECTOR(OFS_RETURN));         
2923                         break;  
2924                 case 13: // maxs
2925                         VectorCopy(cl.entities[entnum].render.maxs, PRVM_G_VECTOR(OFS_RETURN));         
2926                         break;  
2927                 case 14: // absmin
2928                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
2929                         VectorAdd(cl.entities[entnum].render.mins, org, PRVM_G_VECTOR(OFS_RETURN));             
2930                         break;  
2931                 case 15: // absmax
2932                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
2933                         VectorAdd(cl.entities[entnum].render.maxs, org, PRVM_G_VECTOR(OFS_RETURN));             
2934                         break;
2935                 case 16: // light
2936                         VectorMA(cl.entities[entnum].render.modellight_ambient, 0.5, cl.entities[entnum].render.modellight_diffuse, PRVM_G_VECTOR(OFS_RETURN));
2937                         break;  
2938                 default:
2939                         PRVM_G_FLOAT(OFS_RETURN) = 0;
2940                         break;
2941         }
2942 }
2943
2944 //====================
2945 //QC POLYGON functions
2946 //====================
2947
2948 #define VMPOLYGONS_MAXPOINTS 64
2949
2950 typedef struct vmpolygons_triangle_s
2951 {
2952         rtexture_t              *texture;
2953         int                             drawflag;
2954         qboolean hasalpha;
2955         unsigned short  elements[3];
2956 }vmpolygons_triangle_t;
2957
2958 typedef struct vmpolygons_s
2959 {
2960         mempool_t               *pool;
2961         qboolean                initialized;
2962         double          progstarttime;
2963
2964         int                             max_vertices;
2965         int                             num_vertices;
2966         float                   *data_vertex3f;
2967         float                   *data_color4f;
2968         float                   *data_texcoord2f;
2969
2970         int                             max_triangles;
2971         int                             num_triangles;
2972         vmpolygons_triangle_t *data_triangles;
2973         unsigned short  *data_sortedelement3s;
2974
2975         qboolean                begin_active;
2976         int     begin_draw2d;
2977         rtexture_t              *begin_texture;
2978         int                             begin_drawflag;
2979         int                             begin_vertices;
2980         float                   begin_vertex[VMPOLYGONS_MAXPOINTS][3];
2981         float                   begin_color[VMPOLYGONS_MAXPOINTS][4];
2982         float                   begin_texcoord[VMPOLYGONS_MAXPOINTS][2];
2983         qboolean                begin_texture_hasalpha;
2984 } vmpolygons_t;
2985
2986 // FIXME: make VM_CL_R_Polygon functions use Debug_Polygon functions?
2987 vmpolygons_t vmpolygons[PRVM_MAXPROGS];
2988
2989 //#304 void() renderscene (EXT_CSQC)
2990 // moved that here to reset the polygons,
2991 // resetting them earlier causes R_Mesh_Draw to be called with numvertices = 0
2992 // --blub
2993 void VM_CL_R_RenderScene (void)
2994 {
2995         double t = Sys_DoubleTime();
2996         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
2997         VM_SAFEPARMCOUNT(0, VM_CL_R_RenderScene);
2998
2999         // we need to update any RENDER_VIEWMODEL entities at this point because
3000         // csqc supplies its own view matrix
3001         CL_UpdateViewEntities();
3002         // now draw stuff!
3003         R_RenderView();
3004
3005         polys->num_vertices = polys->num_triangles = 0;
3006         polys->progstarttime = prog->starttime;
3007
3008         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
3009         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
3010 }
3011
3012 static void VM_ResizePolygons(vmpolygons_t *polys)
3013 {
3014         float *oldvertex3f = polys->data_vertex3f;
3015         float *oldcolor4f = polys->data_color4f;
3016         float *oldtexcoord2f = polys->data_texcoord2f;
3017         vmpolygons_triangle_t *oldtriangles = polys->data_triangles;
3018         unsigned short *oldsortedelement3s = polys->data_sortedelement3s;
3019         polys->max_vertices = min(polys->max_triangles*3, 65536);
3020         polys->data_vertex3f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[3]));
3021         polys->data_color4f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[4]));
3022         polys->data_texcoord2f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[2]));
3023         polys->data_triangles = (vmpolygons_triangle_t *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(vmpolygons_triangle_t));
3024         polys->data_sortedelement3s = (unsigned short *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(unsigned short[3]));
3025         if (polys->num_vertices)
3026         {
3027                 memcpy(polys->data_vertex3f, oldvertex3f, polys->num_vertices*sizeof(float[3]));
3028                 memcpy(polys->data_color4f, oldcolor4f, polys->num_vertices*sizeof(float[4]));
3029                 memcpy(polys->data_texcoord2f, oldtexcoord2f, polys->num_vertices*sizeof(float[2]));
3030         }
3031         if (polys->num_triangles)
3032         {
3033                 memcpy(polys->data_triangles, oldtriangles, polys->num_triangles*sizeof(vmpolygons_triangle_t));
3034                 memcpy(polys->data_sortedelement3s, oldsortedelement3s, polys->num_triangles*sizeof(unsigned short[3]));
3035         }
3036         if (oldvertex3f)
3037                 Mem_Free(oldvertex3f);
3038         if (oldcolor4f)
3039                 Mem_Free(oldcolor4f);
3040         if (oldtexcoord2f)
3041                 Mem_Free(oldtexcoord2f);
3042         if (oldtriangles)
3043                 Mem_Free(oldtriangles);
3044         if (oldsortedelement3s)
3045                 Mem_Free(oldsortedelement3s);
3046 }
3047
3048 static void VM_InitPolygons (vmpolygons_t* polys)
3049 {
3050         memset(polys, 0, sizeof(*polys));
3051         polys->pool = Mem_AllocPool("VMPOLY", 0, NULL);
3052         polys->max_triangles = 1024;
3053         VM_ResizePolygons(polys);
3054         polys->initialized = true;
3055 }
3056
3057 static void VM_DrawPolygonCallback (const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
3058 {
3059         int surfacelistindex;
3060         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3061         if(polys->progstarttime != prog->starttime) // from other progs? won't draw these (this can cause crashes!)
3062                 return;
3063 //      R_Mesh_ResetTextureState();
3064         R_EntityMatrix(&identitymatrix);
3065         GL_CullFace(GL_NONE);
3066         GL_DepthTest(true); // polys in 3D space shall always have depth test
3067         GL_DepthRange(0, 1);
3068         R_Mesh_PrepareVertices_Generic_Arrays(polys->num_vertices, polys->data_vertex3f, polys->data_color4f, polys->data_texcoord2f);
3069
3070         for (surfacelistindex = 0;surfacelistindex < numsurfaces;)
3071         {
3072                 int numtriangles = 0;
3073                 rtexture_t *tex = polys->data_triangles[surfacelist[surfacelistindex]].texture;
3074                 int drawflag = polys->data_triangles[surfacelist[surfacelistindex]].drawflag;
3075                 DrawQ_ProcessDrawFlag(drawflag, polys->data_triangles[surfacelist[surfacelistindex]].hasalpha);
3076                 R_SetupShader_Generic(tex, NULL, GL_MODULATE, 1);
3077                 numtriangles = 0;
3078                 for (;surfacelistindex < numsurfaces;surfacelistindex++)
3079                 {
3080                         if (polys->data_triangles[surfacelist[surfacelistindex]].texture != tex || polys->data_triangles[surfacelist[surfacelistindex]].drawflag != drawflag)
3081                                 break;
3082                         VectorCopy(polys->data_triangles[surfacelist[surfacelistindex]].elements, polys->data_sortedelement3s + 3*numtriangles);
3083                         numtriangles++;
3084                 }
3085                 R_Mesh_Draw(0, polys->num_vertices, 0, numtriangles, NULL, NULL, 0, polys->data_sortedelement3s, NULL, 0);
3086         }
3087 }
3088
3089 void VMPolygons_Store(vmpolygons_t *polys)
3090 {
3091         qboolean hasalpha;
3092         int i;
3093
3094         // detect if we have alpha
3095         hasalpha = polys->begin_texture_hasalpha;
3096         for(i = 0; !hasalpha && (i < polys->begin_vertices); ++i)
3097                 if(polys->begin_color[i][3] < 1)
3098                         hasalpha = true;
3099
3100         if (polys->begin_draw2d)
3101         {
3102                 // draw the polygon as 2D immediately
3103                 drawqueuemesh_t mesh;
3104                 mesh.texture = polys->begin_texture;
3105                 mesh.num_vertices = polys->begin_vertices;
3106                 mesh.num_triangles = polys->begin_vertices-2;
3107                 mesh.data_element3i = polygonelement3i;
3108                 mesh.data_element3s = polygonelement3s;
3109                 mesh.data_vertex3f = polys->begin_vertex[0];
3110                 mesh.data_color4f = polys->begin_color[0];
3111                 mesh.data_texcoord2f = polys->begin_texcoord[0];
3112                 DrawQ_Mesh(&mesh, polys->begin_drawflag, hasalpha);
3113         }
3114         else
3115         {
3116                 // queue the polygon as 3D for sorted transparent rendering later
3117                 int i;
3118                 if (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3119                 {
3120                         while (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3121                                 polys->max_triangles *= 2;
3122                         VM_ResizePolygons(polys);
3123                 }
3124                 if (polys->num_vertices + polys->begin_vertices <= polys->max_vertices)
3125                 {
3126                         // needle in a haystack!
3127                         // polys->num_vertices was used for copying where we actually want to copy begin_vertices
3128                         // that also caused it to not render the first polygon that is added
3129                         // --blub
3130                         memcpy(polys->data_vertex3f + polys->num_vertices * 3, polys->begin_vertex[0], polys->begin_vertices * sizeof(float[3]));
3131                         memcpy(polys->data_color4f + polys->num_vertices * 4, polys->begin_color[0], polys->begin_vertices * sizeof(float[4]));
3132                         memcpy(polys->data_texcoord2f + polys->num_vertices * 2, polys->begin_texcoord[0], polys->begin_vertices * sizeof(float[2]));
3133                         for (i = 0;i < polys->begin_vertices-2;i++)
3134                         {
3135                                 polys->data_triangles[polys->num_triangles].texture = polys->begin_texture;
3136                                 polys->data_triangles[polys->num_triangles].drawflag = polys->begin_drawflag;
3137                                 polys->data_triangles[polys->num_triangles].elements[0] = polys->num_vertices;
3138                                 polys->data_triangles[polys->num_triangles].elements[1] = polys->num_vertices + i+1;
3139                                 polys->data_triangles[polys->num_triangles].elements[2] = polys->num_vertices + i+2;
3140                                 polys->data_triangles[polys->num_triangles].hasalpha = hasalpha;
3141                                 polys->num_triangles++;
3142                         }
3143                         polys->num_vertices += polys->begin_vertices;
3144                 }
3145         }
3146         polys->begin_active = false;
3147 }
3148
3149 // TODO: move this into the client code and clean-up everything else, too! [1/6/2008 Black]
3150 // LordHavoc: agreed, this is a mess
3151 void VM_CL_AddPolygonsToMeshQueue (void)
3152 {
3153         int i;
3154         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3155         vec3_t center;
3156
3157         // only add polygons of the currently active prog to the queue - if there is none, we're done
3158         if( !prog )
3159                 return;
3160
3161         if (!polys->num_triangles)
3162                 return;
3163
3164         for (i = 0;i < polys->num_triangles;i++)
3165         {
3166                 VectorMAMAM(1.0f / 3.0f, polys->data_vertex3f + 3*polys->data_triangles[i].elements[0], 1.0f / 3.0f, polys->data_vertex3f + 3*polys->data_triangles[i].elements[1], 1.0f / 3.0f, polys->data_vertex3f + 3*polys->data_triangles[i].elements[2], center);
3167                 R_MeshQueue_AddTransparent(center, VM_DrawPolygonCallback, NULL, i, NULL);
3168         }
3169
3170         /*polys->num_triangles = 0; // now done after rendering the scene,
3171           polys->num_vertices = 0;  // otherwise it's not rendered at all and prints an error message --blub */
3172 }
3173
3174 //void(string texturename, float flag[, float is2d]) R_BeginPolygon
3175 void VM_CL_R_PolygonBegin (void)
3176 {
3177         const char              *picname;
3178         skinframe_t     *sf;
3179         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3180         int tf;
3181
3182         // TODO instead of using skinframes here (which provides the benefit of
3183         // better management of flags, and is more suited for 3D rendering), what
3184         // about supporting Q3 shaders?
3185
3186         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_R_PolygonBegin);
3187
3188         if (!polys->initialized)
3189                 VM_InitPolygons(polys);
3190         if(polys->progstarttime != prog->starttime)
3191         {
3192                 // from another progs? then reset the polys first (fixes crashes on map change, because that can make skinframe textures invalid)
3193                 polys->num_vertices = polys->num_triangles = 0;
3194                 polys->progstarttime = prog->starttime;
3195         }
3196         if (polys->begin_active)
3197         {
3198                 VM_Warning("VM_CL_R_PolygonBegin: called twice without VM_CL_R_PolygonBegin after first\n");
3199                 return;
3200         }
3201         picname = PRVM_G_STRING(OFS_PARM0);
3202
3203         sf = NULL;
3204         if(*picname)
3205         {
3206                 tf = TEXF_ALPHA;
3207                 if((int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MIPMAP)
3208                         tf |= TEXF_MIPMAP;
3209
3210                 do
3211                 {
3212                         sf = R_SkinFrame_FindNextByName(sf, picname);
3213                 }
3214                 while(sf && sf->textureflags != tf);
3215
3216                 if(!sf || !sf->base)
3217                         sf = R_SkinFrame_LoadExternal(picname, tf, true);
3218
3219                 if(sf)
3220                         R_SkinFrame_MarkUsed(sf);
3221         }
3222
3223         polys->begin_texture = (sf && sf->base) ? sf->base : r_texture_white;
3224         polys->begin_texture_hasalpha = (sf && sf->base) ? sf->hasalpha : false;
3225         polys->begin_drawflag = (int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MASK;
3226         polys->begin_vertices = 0;
3227         polys->begin_active = true;
3228         polys->begin_draw2d = (prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : r_refdef.draw2dstage);
3229 }
3230
3231 //void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
3232 void VM_CL_R_PolygonVertex (void)
3233 {
3234         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3235
3236         VM_SAFEPARMCOUNT(4, VM_CL_R_PolygonVertex);
3237
3238         if (!polys->begin_active)
3239         {
3240                 VM_Warning("VM_CL_R_PolygonVertex: VM_CL_R_PolygonBegin wasn't called\n");
3241                 return;
3242         }
3243
3244         if (polys->begin_vertices >= VMPOLYGONS_MAXPOINTS)
3245         {
3246                 VM_Warning("VM_CL_R_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3247                 return;
3248         }
3249
3250         polys->begin_vertex[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM0)[0];
3251         polys->begin_vertex[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM0)[1];
3252         polys->begin_vertex[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM0)[2];
3253         polys->begin_texcoord[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM1)[0];
3254         polys->begin_texcoord[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM1)[1];
3255         polys->begin_color[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM2)[0];
3256         polys->begin_color[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM2)[1];
3257         polys->begin_color[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM2)[2];
3258         polys->begin_color[polys->begin_vertices][3] = PRVM_G_FLOAT(OFS_PARM3);
3259         polys->begin_vertices++;
3260 }
3261
3262 //void() R_EndPolygon
3263 void VM_CL_R_PolygonEnd (void)
3264 {
3265         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3266
3267         VM_SAFEPARMCOUNT(0, VM_CL_R_PolygonEnd);
3268         if (!polys->begin_active)
3269         {
3270                 VM_Warning("VM_CL_R_PolygonEnd: VM_CL_R_PolygonBegin wasn't called\n");
3271                 return;
3272         }
3273         polys->begin_active = false;
3274         if (polys->begin_vertices >= 3)
3275                 VMPolygons_Store(polys);
3276         else
3277                 VM_Warning("VM_CL_R_PolygonEnd: %i vertices isn't a good choice\n", polys->begin_vertices);
3278 }
3279
3280 static vmpolygons_t debugPolys;
3281
3282 void Debug_PolygonBegin(const char *picname, int drawflag)
3283 {
3284         if(!debugPolys.initialized)
3285                 VM_InitPolygons(&debugPolys);
3286         if(debugPolys.begin_active)
3287         {
3288                 Con_Printf("Debug_PolygonBegin: called twice without Debug_PolygonEnd after first\n");
3289                 return;
3290         }
3291         debugPolys.begin_texture = picname[0] ? Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT)->tex : r_texture_white;
3292         debugPolys.begin_drawflag = drawflag;
3293         debugPolys.begin_vertices = 0;
3294         debugPolys.begin_active = true;
3295 }
3296
3297 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a)
3298 {
3299         if(!debugPolys.begin_active)
3300         {
3301                 Con_Printf("Debug_PolygonVertex: Debug_PolygonBegin wasn't called\n");
3302                 return;
3303         }
3304
3305         if(debugPolys.begin_vertices > VMPOLYGONS_MAXPOINTS)
3306         {
3307                 Con_Printf("Debug_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3308                 return;
3309         }
3310
3311         debugPolys.begin_vertex[debugPolys.begin_vertices][0] = x;
3312         debugPolys.begin_vertex[debugPolys.begin_vertices][1] = y;
3313         debugPolys.begin_vertex[debugPolys.begin_vertices][2] = z;
3314         debugPolys.begin_texcoord[debugPolys.begin_vertices][0] = s;
3315         debugPolys.begin_texcoord[debugPolys.begin_vertices][1] = t;
3316         debugPolys.begin_color[debugPolys.begin_vertices][0] = r;
3317         debugPolys.begin_color[debugPolys.begin_vertices][1] = g;
3318         debugPolys.begin_color[debugPolys.begin_vertices][2] = b;
3319         debugPolys.begin_color[debugPolys.begin_vertices][3] = a;
3320         debugPolys.begin_vertices++;
3321 }
3322
3323 void Debug_PolygonEnd(void)
3324 {
3325         if (!debugPolys.begin_active)
3326         {
3327                 Con_Printf("Debug_PolygonEnd: Debug_PolygonBegin wasn't called\n");
3328                 return;
3329         }
3330         debugPolys.begin_active = false;
3331         if (debugPolys.begin_vertices >= 3)
3332                 VMPolygons_Store(&debugPolys);
3333         else
3334                 Con_Printf("Debug_PolygonEnd: %i vertices isn't a good choice\n", debugPolys.begin_vertices);
3335 }
3336
3337 /*
3338 =============
3339 CL_CheckBottom
3340
3341 Returns false if any part of the bottom of the entity is off an edge that
3342 is not a staircase.
3343
3344 =============
3345 */
3346 qboolean CL_CheckBottom (prvm_edict_t *ent)
3347 {
3348         vec3_t  mins, maxs, start, stop;
3349         trace_t trace;
3350         int             x, y;
3351         float   mid, bottom;
3352
3353         VectorAdd (ent->fields.client->origin, ent->fields.client->mins, mins);
3354         VectorAdd (ent->fields.client->origin, ent->fields.client->maxs, maxs);
3355
3356 // if all of the points under the corners are solid world, don't bother
3357 // with the tougher checks
3358 // the corners must be within 16 of the midpoint
3359         start[2] = mins[2] - 1;
3360         for     (x=0 ; x<=1 ; x++)
3361                 for     (y=0 ; y<=1 ; y++)
3362                 {
3363                         start[0] = x ? maxs[0] : mins[0];
3364                         start[1] = y ? maxs[1] : mins[1];
3365                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
3366                                 goto realcheck;
3367                 }
3368
3369         return true;            // we got out easy
3370
3371 realcheck:
3372 //
3373 // check it for real...
3374 //
3375         start[2] = mins[2];
3376
3377 // the midpoint must be within 16 of the bottom
3378         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
3379         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
3380         stop[2] = start[2] - 2*sv_stepheight.value;
3381         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true, false);
3382
3383         if (trace.fraction == 1.0)
3384                 return false;
3385         mid = bottom = trace.endpos[2];
3386
3387 // the corners must be within 16 of the midpoint
3388         for     (x=0 ; x<=1 ; x++)
3389                 for     (y=0 ; y<=1 ; y++)
3390                 {
3391                         start[0] = stop[0] = x ? maxs[0] : mins[0];
3392                         start[1] = stop[1] = y ? maxs[1] : mins[1];
3393
3394                         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true, false);
3395
3396                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
3397                                 bottom = trace.endpos[2];
3398                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
3399                                 return false;
3400                 }
3401
3402         return true;
3403 }
3404
3405 /*
3406 =============
3407 CL_movestep
3408
3409 Called by monster program code.
3410 The move will be adjusted for slopes and stairs, but if the move isn't
3411 possible, no move is done and false is returned
3412 =============
3413 */
3414 qboolean CL_movestep (prvm_edict_t *ent, vec3_t move, qboolean relink, qboolean noenemy, qboolean settrace)
3415 {
3416         float           dz;
3417         vec3_t          oldorg, neworg, end, traceendpos;
3418         trace_t         trace;
3419         int                     i, svent;
3420         prvm_edict_t            *enemy;
3421
3422 // try the move
3423         VectorCopy (ent->fields.client->origin, oldorg);
3424         VectorAdd (ent->fields.client->origin, move, neworg);
3425
3426 // flying monsters don't step up
3427         if ( (int)ent->fields.client->flags & (FL_SWIM | FL_FLY) )
3428         {
3429         // try one move with vertical motion, then one without
3430                 for (i=0 ; i<2 ; i++)
3431                 {
3432                         VectorAdd (ent->fields.client->origin, move, neworg);
3433                         enemy = PRVM_PROG_TO_EDICT(ent->fields.client->enemy);
3434                         if (i == 0 && enemy != prog->edicts)
3435                         {
3436                                 dz = ent->fields.client->origin[2] - PRVM_PROG_TO_EDICT(ent->fields.client->enemy)->fields.client->origin[2];
3437                                 if (dz > 40)
3438                                         neworg[2] -= 8;
3439                                 if (dz < 30)
3440                                         neworg[2] += 8;
3441                         }
3442                         trace = CL_TraceBox(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->maxs, neworg, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3443                         if (settrace)
3444                                 CL_VM_SetTraceGlobals(&trace, svent);
3445
3446                         if (trace.fraction == 1)
3447                         {
3448                                 VectorCopy(trace.endpos, traceendpos);
3449                                 if (((int)ent->fields.client->flags & FL_SWIM) && !(CL_PointSuperContents(traceendpos) & SUPERCONTENTS_LIQUIDSMASK))
3450                                         return false;   // swim monster left water
3451
3452                                 VectorCopy (traceendpos, ent->fields.client->origin);
3453                                 if (relink)
3454                                         CL_LinkEdict(ent);
3455                                 return true;
3456                         }
3457
3458                         if (enemy == prog->edicts)
3459                                 break;
3460                 }
3461
3462                 return false;
3463         }
3464
3465 // push down from a step height above the wished position
3466         neworg[2] += sv_stepheight.value;
3467         VectorCopy (neworg, end);
3468         end[2] -= sv_stepheight.value*2;
3469
3470         trace = CL_TraceBox(neworg, ent->fields.client->mins, ent->fields.client->maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3471         if (settrace)
3472                 CL_VM_SetTraceGlobals(&trace, svent);
3473
3474         if (trace.startsolid)
3475         {
3476                 neworg[2] -= sv_stepheight.value;
3477                 trace = CL_TraceBox(neworg, ent->fields.client->mins, ent->fields.client->maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3478                 if (settrace)
3479                         CL_VM_SetTraceGlobals(&trace, svent);
3480                 if (trace.startsolid)
3481                         return false;
3482         }
3483         if (trace.fraction == 1)
3484         {
3485         // if monster had the ground pulled out, go ahead and fall
3486                 if ( (int)ent->fields.client->flags & FL_PARTIALGROUND )
3487                 {
3488                         VectorAdd (ent->fields.client->origin, move, ent->fields.client->origin);
3489                         if (relink)
3490                                 CL_LinkEdict(ent);
3491                         ent->fields.client->flags = (int)ent->fields.client->flags & ~FL_ONGROUND;
3492                         return true;
3493                 }
3494
3495                 return false;           // walked off an edge
3496         }
3497
3498 // check point traces down for dangling corners
3499         VectorCopy (trace.endpos, ent->fields.client->origin);
3500
3501         if (!CL_CheckBottom (ent))
3502         {
3503                 if ( (int)ent->fields.client->flags & FL_PARTIALGROUND )
3504                 {       // entity had floor mostly pulled out from underneath it
3505                         // and is trying to correct
3506                         if (relink)
3507                                 CL_LinkEdict(ent);
3508                         return true;
3509                 }
3510                 VectorCopy (oldorg, ent->fields.client->origin);
3511                 return false;
3512         }
3513
3514         if ( (int)ent->fields.client->flags & FL_PARTIALGROUND )
3515                 ent->fields.client->flags = (int)ent->fields.client->flags & ~FL_PARTIALGROUND;
3516
3517         PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
3518
3519 // the move is ok
3520         if (relink)
3521                 CL_LinkEdict(ent);
3522         return true;
3523 }
3524
3525 /*
3526 ===============
3527 VM_CL_walkmove
3528
3529 float(float yaw, float dist[, settrace]) walkmove
3530 ===============
3531 */
3532 static void VM_CL_walkmove (void)
3533 {
3534         prvm_edict_t    *ent;
3535         float   yaw, dist;
3536         vec3_t  move;
3537         mfunction_t     *oldf;
3538         int     oldself;
3539         qboolean        settrace;
3540
3541         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_walkmove);
3542
3543         // assume failure if it returns early
3544         PRVM_G_FLOAT(OFS_RETURN) = 0;
3545
3546         ent = PRVM_PROG_TO_EDICT(prog->globals.client->self);
3547         if (ent == prog->edicts)
3548         {
3549                 VM_Warning("walkmove: can not modify world entity\n");
3550                 return;
3551         }
3552         if (ent->priv.server->free)
3553         {
3554                 VM_Warning("walkmove: can not modify free entity\n");
3555                 return;
3556         }
3557         yaw = PRVM_G_FLOAT(OFS_PARM0);
3558         dist = PRVM_G_FLOAT(OFS_PARM1);
3559         settrace = prog->argc >= 3 && PRVM_G_FLOAT(OFS_PARM2);
3560
3561         if ( !( (int)ent->fields.client->flags & (FL_ONGROUND|FL_FLY|FL_SWIM) ) )
3562                 return;
3563
3564         yaw = yaw*M_PI*2 / 360;
3565
3566         move[0] = cos(yaw)*dist;
3567         move[1] = sin(yaw)*dist;
3568         move[2] = 0;
3569
3570 // save program state, because CL_movestep may call other progs
3571         oldf = prog->xfunction;
3572         oldself = prog->globals.client->self;
3573
3574         PRVM_G_FLOAT(OFS_RETURN) = CL_movestep(ent, move, true, false, settrace);
3575
3576
3577 // restore program state
3578         prog->xfunction = oldf;
3579         prog->globals.client->self = oldself;
3580 }
3581
3582 /*
3583 ===============
3584 VM_CL_serverkey
3585
3586 string(string key) serverkey
3587 ===============
3588 */
3589 void VM_CL_serverkey(void)
3590 {
3591         char string[VM_STRINGTEMP_LENGTH];
3592         VM_SAFEPARMCOUNT(1, VM_CL_serverkey);
3593         InfoString_GetValue(cl.qw_serverinfo, PRVM_G_STRING(OFS_PARM0), string, sizeof(string));
3594         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
3595 }
3596
3597 /*
3598 =================
3599 VM_CL_checkpvs
3600
3601 Checks if an entity is in a point's PVS.
3602 Should be fast but can be inexact.
3603
3604 float checkpvs(vector viewpos, entity viewee) = #240;
3605 =================
3606 */
3607 static void VM_CL_checkpvs (void)
3608 {
3609         vec3_t viewpos;
3610         prvm_edict_t *viewee;
3611         vec3_t mi, ma;
3612 #if 1
3613         unsigned char *pvs;
3614 #else
3615         int fatpvsbytes;
3616         unsigned char fatpvs[MAX_MAP_LEAFS/8];
3617 #endif
3618
3619         VM_SAFEPARMCOUNT(2, VM_SV_checkpvs);
3620         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), viewpos);
3621         viewee = PRVM_G_EDICT(OFS_PARM1);
3622
3623         if(viewee->priv.required->free)
3624         {
3625                 VM_Warning("checkpvs: can not check free entity\n");
3626                 PRVM_G_FLOAT(OFS_RETURN) = 4;
3627                 return;
3628         }
3629
3630         VectorAdd(viewee->fields.server->origin, viewee->fields.server->mins, mi);
3631         VectorAdd(viewee->fields.server->origin, viewee->fields.server->maxs, ma);
3632
3633 #if 1
3634         if(!sv.worldmodel->brush.GetPVS || !sv.worldmodel->brush.BoxTouchingPVS)
3635         {
3636                 // no PVS support on this worldmodel... darn
3637                 PRVM_G_FLOAT(OFS_RETURN) = 3;
3638                 return;
3639         }
3640         pvs = sv.worldmodel->brush.GetPVS(sv.worldmodel, viewpos);
3641         if(!pvs)
3642         {
3643                 // viewpos isn't in any PVS... darn
3644                 PRVM_G_FLOAT(OFS_RETURN) = 2;
3645                 return;
3646         }
3647         PRVM_G_FLOAT(OFS_RETURN) = sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, pvs, mi, ma);
3648 #else
3649         // using fat PVS like FTEQW does (slow)
3650         if(!sv.worldmodel->brush.FatPVS || !sv.worldmodel->brush.BoxTouchingPVS)
3651         {
3652                 // no PVS support on this worldmodel... darn
3653                 PRVM_G_FLOAT(OFS_RETURN) = 3;
3654                 return;
3655         }
3656         fatpvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, viewpos, 8, fatpvs, sizeof(fatpvs), false);
3657         if(!fatpvsbytes)
3658         {
3659                 // viewpos isn't in any PVS... darn
3660                 PRVM_G_FLOAT(OFS_RETURN) = 2;
3661                 return;
3662         }
3663         PRVM_G_FLOAT(OFS_RETURN) = sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, fatpvs, mi, ma);
3664 #endif
3665 }
3666
3667 // #263 float(float modlindex) skel_create = #263; // (FTE_CSQC_SKELETONOBJECTS) create a skeleton (be sure to assign this value into .skeletonindex for use), returns skeleton index (1 or higher) on success, returns 0 on failure  (for example if the modelindex is not skeletal), it is recommended that you create a new skeleton if you change modelindex.
3668 static void VM_CL_skel_create(void)
3669 {
3670         int modelindex = (int)PRVM_G_FLOAT(OFS_PARM0);
3671         dp_model_t *model = CL_GetModelByIndex(modelindex);
3672         skeleton_t *skeleton;
3673         int i;
3674         PRVM_G_FLOAT(OFS_RETURN) = 0;
3675         if (!model || !model->num_bones)
3676                 return;
3677         for (i = 0;i < MAX_EDICTS;i++)
3678                 if (!prog->skeletons[i])
3679                         break;
3680         if (i == MAX_EDICTS)
3681                 return;
3682         prog->skeletons[i] = skeleton = (skeleton_t *)Mem_Alloc(cls.levelmempool, sizeof(skeleton_t) + model->num_bones * sizeof(matrix4x4_t));
3683         PRVM_G_FLOAT(OFS_RETURN) = i + 1;
3684         skeleton->model = model;
3685         skeleton->relativetransforms = (matrix4x4_t *)(skeleton+1);
3686         // initialize to identity matrices
3687         for (i = 0;i < skeleton->model->num_bones;i++)
3688                 skeleton->relativetransforms[i] = identitymatrix;
3689 }
3690
3691 // #264 float(float skel, entity ent, float modlindex, float retainfrac, float firstbone, float lastbone) skel_build = #264; // (FTE_CSQC_SKELETONOBJECTS) blend in a percentage of standard animation, 0 replaces entirely, 1 does nothing, 0.5 blends half, etc, and this only alters the bones in the specified range for which out of bounds values like 0,100000 are safe (uses .frame, .frame2, .frame3, .frame4, .lerpfrac, .lerpfrac3, .lerpfrac4, .frame1time, .frame2time, .frame3time, .frame4time), returns skel on success, 0 on failure
3692 static void VM_CL_skel_build(void)
3693 {
3694         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3695         skeleton_t *skeleton;
3696         prvm_edict_t *ed = PRVM_G_EDICT(OFS_PARM1);
3697         int modelindex = (int)PRVM_G_FLOAT(OFS_PARM2);
3698         float retainfrac = PRVM_G_FLOAT(OFS_PARM3);
3699         int firstbone = PRVM_G_FLOAT(OFS_PARM4) - 1;
3700         int lastbone = PRVM_G_FLOAT(OFS_PARM5) - 1;
3701         dp_model_t *model = CL_GetModelByIndex(modelindex);
3702         float blendfrac;
3703         int numblends;
3704         int bonenum;
3705         int blendindex;
3706         framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
3707         frameblend_t frameblend[MAX_FRAMEBLENDS];
3708         matrix4x4_t blendedmatrix;
3709         matrix4x4_t matrix;
3710         PRVM_G_FLOAT(OFS_RETURN) = 0;
3711         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3712                 return;
3713         firstbone = max(0, firstbone);
3714         lastbone = min(lastbone, model->num_bones - 1);
3715         lastbone = min(lastbone, skeleton->model->num_bones - 1);
3716         VM_GenerateFrameGroupBlend(framegroupblend, ed);
3717         VM_FrameBlendFromFrameGroupBlend(frameblend, framegroupblend, model);
3718         blendfrac = 1.0f - retainfrac;
3719         for (numblends = 0;numblends < MAX_FRAMEBLENDS && frameblend[numblends].lerp;numblends++)
3720                 frameblend[numblends].lerp *= blendfrac;
3721         for (bonenum = firstbone;bonenum <= lastbone;bonenum++)
3722         {
3723                 memset(&blendedmatrix, 0, sizeof(blendedmatrix));
3724                 Matrix4x4_Accumulate(&blendedmatrix, &skeleton->relativetransforms[bonenum], retainfrac);
3725                 for (blendindex = 0;blendindex < numblends;blendindex++)
3726                 {
3727                         Matrix4x4_FromBonePose6s(&matrix, model->num_posescale, model->data_poses6s + 6 * (frameblend[blendindex].subframe * model->num_bones + bonenum));
3728                         Matrix4x4_Accumulate(&blendedmatrix, &matrix, frameblend[blendindex].lerp);
3729                 }
3730                 skeleton->relativetransforms[bonenum] = blendedmatrix;
3731         }
3732         PRVM_G_FLOAT(OFS_RETURN) = skeletonindex + 1;
3733 }
3734
3735 // #265 float(float skel) skel_get_numbones = #265; // (FTE_CSQC_SKELETONOBJECTS) returns how many bones exist in the created skeleton
3736 static void VM_CL_skel_get_numbones(void)
3737 {
3738         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3739         skeleton_t *skeleton;
3740         PRVM_G_FLOAT(OFS_RETURN) = 0;
3741         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3742                 return;
3743         PRVM_G_FLOAT(OFS_RETURN) = skeleton->model->num_bones;
3744 }
3745
3746 // #266 string(float skel, float bonenum) skel_get_bonename = #266; // (FTE_CSQC_SKELETONOBJECTS) returns name of bone (as a tempstring)
3747 static void VM_CL_skel_get_bonename(void)
3748 {
3749         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3750         int bonenum = (int)PRVM_G_FLOAT(OFS_PARM1) - 1;
3751         skeleton_t *skeleton;
3752         PRVM_G_INT(OFS_RETURN) = 0;
3753         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3754                 return;
3755         if (bonenum < 0 || bonenum >= skeleton->model->num_bones)
3756                 return;
3757         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(skeleton->model->data_bones[bonenum].name);
3758 }
3759
3760 // #267 float(float skel, float bonenum) skel_get_boneparent = #267; // (FTE_CSQC_SKELETONOBJECTS) returns parent num for supplied bonenum, 0 if bonenum has no parent or bone does not exist (returned value is always less than bonenum, you can loop on this)
3761 static void VM_CL_skel_get_boneparent(void)
3762 {
3763         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3764         int bonenum = (int)PRVM_G_FLOAT(OFS_PARM1) - 1;
3765         skeleton_t *skeleton;
3766         PRVM_G_FLOAT(OFS_RETURN) = 0;
3767         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3768                 return;
3769         if (bonenum < 0 || bonenum >= skeleton->model->num_bones)
3770                 return;
3771         PRVM_G_FLOAT(OFS_RETURN) = skeleton->model->data_bones[bonenum].parent + 1;
3772 }
3773
3774 // #268 float(float skel, string tagname) skel_find_bone = #268; // (FTE_CSQC_SKELETONOBJECTS) get number of bone with specified name, 0 on failure, tagindex (bonenum+1) on success, same as using gettagindex on the modelindex
3775 static void VM_CL_skel_find_bone(void)
3776 {
3777         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3778         const char *tagname = PRVM_G_STRING(OFS_PARM1);
3779         skeleton_t *skeleton;
3780         PRVM_G_FLOAT(OFS_RETURN) = 0;
3781         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3782                 return;
3783         PRVM_G_FLOAT(OFS_RETURN) = Mod_Alias_GetTagIndexForName(skeleton->model, 0, tagname);
3784 }
3785
3786 // #269 vector(float skel, float bonenum) skel_get_bonerel = #269; // (FTE_CSQC_SKELETONOBJECTS) get matrix of bone in skeleton relative to its parent - sets v_forward, v_right, v_up, returns origin (relative to parent bone)
3787 static void VM_CL_skel_get_bonerel(void)
3788 {
3789         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3790         int bonenum = (int)PRVM_G_FLOAT(OFS_PARM1) - 1;
3791         skeleton_t *skeleton;
3792         matrix4x4_t matrix;
3793         vec3_t forward, left, up, origin;
3794         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
3795         VectorClear(prog->globals.client->v_forward);
3796         VectorClear(prog->globals.client->v_right);
3797         VectorClear(prog->globals.client->v_up);
3798         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3799                 return;
3800         if (bonenum < 0 || bonenum >= skeleton->model->num_bones)
3801                 return;
3802         matrix = skeleton->relativetransforms[bonenum];
3803         Matrix4x4_ToVectors(&matrix, forward, left, up, origin);
3804         VectorCopy(forward, prog->globals.client->v_forward);
3805         VectorNegate(left, prog->globals.client->v_right);
3806         VectorCopy(up, prog->globals.client->v_up);
3807         VectorCopy(origin, PRVM_G_VECTOR(OFS_RETURN));
3808 }
3809
3810 // #270 vector(float skel, float bonenum) skel_get_boneabs = #270; // (FTE_CSQC_SKELETONOBJECTS) get matrix of bone in skeleton in model space - sets v_forward, v_right, v_up, returns origin (relative to entity)
3811 static void VM_CL_skel_get_boneabs(void)
3812 {
3813         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3814         int bonenum = (int)PRVM_G_FLOAT(OFS_PARM1) - 1;
3815         skeleton_t *skeleton;
3816         matrix4x4_t matrix;
3817         matrix4x4_t temp;
3818         vec3_t forward, left, up, origin;
3819         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
3820         VectorClear(prog->globals.client->v_forward);
3821         VectorClear(prog->globals.client->v_right);
3822         VectorClear(prog->globals.client->v_up);
3823         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3824                 return;
3825         if (bonenum < 0 || bonenum >= skeleton->model->num_bones)
3826                 return;
3827         matrix = skeleton->relativetransforms[bonenum];
3828         // convert to absolute
3829         while ((bonenum = skeleton->model->data_bones[bonenum].parent) >= 0)
3830         {
3831                 temp = matrix;
3832                 Matrix4x4_Concat(&matrix, &skeleton->relativetransforms[bonenum], &temp);
3833         }
3834         Matrix4x4_ToVectors(&matrix, forward, left, up, origin);
3835         VectorCopy(forward, prog->globals.client->v_forward);
3836         VectorNegate(left, prog->globals.client->v_right);
3837         VectorCopy(up, prog->globals.client->v_up);
3838         VectorCopy(origin, PRVM_G_VECTOR(OFS_RETURN));
3839 }
3840
3841 // #271 void(float skel, float bonenum, vector org) skel_set_bone = #271; // (FTE_CSQC_SKELETONOBJECTS) set matrix of bone relative to its parent, reads v_forward, v_right, v_up, takes origin as parameter (relative to parent bone)
3842 static void VM_CL_skel_set_bone(void)
3843 {
3844         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3845         int bonenum = (int)PRVM_G_FLOAT(OFS_PARM1) - 1;
3846         vec3_t forward, left, up, origin;
3847         skeleton_t *skeleton;
3848         matrix4x4_t matrix;
3849         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3850                 return;
3851         if (bonenum < 0 || bonenum >= skeleton->model->num_bones)
3852                 return;
3853         VectorCopy(prog->globals.client->v_forward, forward);
3854         VectorNegate(prog->globals.client->v_right, left);
3855         VectorCopy(prog->globals.client->v_up, up);
3856         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), origin);
3857         Matrix4x4_FromVectors(&matrix, forward, left, up, origin);
3858         skeleton->relativetransforms[bonenum] = matrix;
3859 }
3860
3861 // #272 void(float skel, float bonenum, vector org) skel_mul_bone = #272; // (FTE_CSQC_SKELETONOBJECTS) transform bone matrix (relative to its parent) by the supplied matrix in v_forward, v_right, v_up, takes origin as parameter (relative to parent bone)
3862 static void VM_CL_skel_mul_bone(void)
3863 {
3864         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3865         int bonenum = (int)PRVM_G_FLOAT(OFS_PARM1) - 1;
3866         vec3_t forward, left, up, origin;
3867         skeleton_t *skeleton;
3868         matrix4x4_t matrix;
3869         matrix4x4_t temp;
3870         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3871                 return;
3872         if (bonenum < 0 || bonenum >= skeleton->model->num_bones)
3873                 return;
3874         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), origin);
3875         VectorCopy(prog->globals.client->v_forward, forward);
3876         VectorNegate(prog->globals.client->v_right, left);
3877         VectorCopy(prog->globals.client->v_up, up);
3878         Matrix4x4_FromVectors(&matrix, forward, left, up, origin);
3879         temp = skeleton->relativetransforms[bonenum];
3880         Matrix4x4_Concat(&skeleton->relativetransforms[bonenum], &matrix, &temp);
3881 }
3882
3883 // #273 void(float skel, float startbone, float endbone, vector org) skel_mul_bones = #273; // (FTE_CSQC_SKELETONOBJECTS) transform bone matrices (relative to their parents) by the supplied matrix in v_forward, v_right, v_up, takes origin as parameter (relative to parent bones)
3884 static void VM_CL_skel_mul_bones(void)
3885 {
3886         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3887         int firstbone = PRVM_G_FLOAT(OFS_PARM1) - 1;
3888         int lastbone = PRVM_G_FLOAT(OFS_PARM2) - 1;
3889         int bonenum;
3890         vec3_t forward, left, up, origin;
3891         skeleton_t *skeleton;
3892         matrix4x4_t matrix;
3893         matrix4x4_t temp;
3894         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3895                 return;
3896         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), origin);
3897         VectorCopy(prog->globals.client->v_forward, forward);
3898         VectorNegate(prog->globals.client->v_right, left);
3899         VectorCopy(prog->globals.client->v_up, up);
3900         Matrix4x4_FromVectors(&matrix, forward, left, up, origin);
3901         firstbone = max(0, firstbone);
3902         lastbone = min(lastbone, skeleton->model->num_bones - 1);
3903         for (bonenum = firstbone;bonenum <= lastbone;bonenum++)
3904         {
3905                 temp = skeleton->relativetransforms[bonenum];
3906                 Matrix4x4_Concat(&skeleton->relativetransforms[bonenum], &matrix, &temp);
3907         }
3908 }
3909
3910 // #274 void(float skeldst, float skelsrc, float startbone, float endbone) skel_copybones = #274; // (FTE_CSQC_SKELETONOBJECTS) copy bone matrices (relative to their parents) from one skeleton to another, useful for copying a skeleton to a corpse
3911 static void VM_CL_skel_copybones(void)
3912 {
3913         int skeletonindexdst = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3914         int skeletonindexsrc = (int)PRVM_G_FLOAT(OFS_PARM1) - 1;
3915         int firstbone = PRVM_G_FLOAT(OFS_PARM2) - 1;
3916         int lastbone = PRVM_G_FLOAT(OFS_PARM3) - 1;
3917         int bonenum;
3918         skeleton_t *skeletondst;
3919         skeleton_t *skeletonsrc;
3920         if (skeletonindexdst < 0 || skeletonindexdst >= MAX_EDICTS || !(skeletondst = prog->skeletons[skeletonindexdst]))
3921                 return;
3922         if (skeletonindexsrc < 0 || skeletonindexsrc >= MAX_EDICTS || !(skeletonsrc = prog->skeletons[skeletonindexsrc]))
3923                 return;
3924         firstbone = max(0, firstbone);
3925         lastbone = min(lastbone, skeletondst->model->num_bones - 1);
3926         lastbone = min(lastbone, skeletonsrc->model->num_bones - 1);
3927         for (bonenum = firstbone;bonenum <= lastbone;bonenum++)
3928                 skeletondst->relativetransforms[bonenum] = skeletonsrc->relativetransforms[bonenum];
3929 }
3930
3931 // #275 void(float skel) skel_delete = #275; // (FTE_CSQC_SKELETONOBJECTS) deletes skeleton at the beginning of the next frame (you can add the entity, delete the skeleton, renderscene, and it will still work)
3932 static void VM_CL_skel_delete(void)
3933 {
3934         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3935         skeleton_t *skeleton;
3936         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3937                 return;
3938         Mem_Free(skeleton);
3939         prog->skeletons[skeletonindex] = NULL;
3940 }
3941
3942 // #276 float(float modlindex, string framename) frameforname = #276; // (FTE_CSQC_SKELETONOBJECTS) finds number of a specified frame in the animation, returns -1 if no match found
3943 static void VM_CL_frameforname(void)
3944 {
3945         int modelindex = (int)PRVM_G_FLOAT(OFS_PARM0);