6ca2749c89746e45e64f2fe6c918ce2e9c839a29
[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 r_refdef_view_t csqc_original_r_refdef_view;
27 r_refdef_view_t csqc_main_r_refdef_view;
28
29 // #1 void(vector ang) makevectors
30 static void VM_CL_makevectors (prvm_prog_t *prog)
31 {
32         vec3_t angles, forward, right, up;
33         VM_SAFEPARMCOUNT(1, VM_CL_makevectors);
34         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), angles);
35         AngleVectors(angles, forward, right, up);
36         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
37         VectorCopy(right, PRVM_clientglobalvector(v_right));
38         VectorCopy(up, PRVM_clientglobalvector(v_up));
39 }
40
41 // #2 void(entity e, vector o) setorigin
42 static void VM_CL_setorigin (prvm_prog_t *prog)
43 {
44         prvm_edict_t    *e;
45         prvm_vec_t      *org;
46         VM_SAFEPARMCOUNT(2, VM_CL_setorigin);
47
48         e = PRVM_G_EDICT(OFS_PARM0);
49         if (e == prog->edicts)
50         {
51                 VM_Warning(prog, "setorigin: can not modify world entity\n");
52                 return;
53         }
54         if (e->priv.required->free)
55         {
56                 VM_Warning(prog, "setorigin: can not modify free entity\n");
57                 return;
58         }
59         org = PRVM_G_VECTOR(OFS_PARM1);
60         VectorCopy (org, PRVM_clientedictvector(e, origin));
61         if(e->priv.required->mark == PRVM_EDICT_MARK_WAIT_FOR_SETORIGIN)
62                 e->priv.required->mark = PRVM_EDICT_MARK_SETORIGIN_CAUGHT;
63         CL_LinkEdict(e);
64 }
65
66 static void SetMinMaxSizePRVM (prvm_prog_t *prog, prvm_edict_t *e, prvm_vec_t *min, prvm_vec_t *max)
67 {
68         int             i;
69
70         for (i=0 ; i<3 ; i++)
71                 if (min[i] > max[i])
72                         prog->error_cmd("SetMinMaxSize: backwards mins/maxs");
73
74         // set derived values
75         VectorCopy (min, PRVM_clientedictvector(e, mins));
76         VectorCopy (max, PRVM_clientedictvector(e, maxs));
77         VectorSubtract (max, min, PRVM_clientedictvector(e, size));
78
79         CL_LinkEdict (e);
80 }
81
82 static void SetMinMaxSize (prvm_prog_t *prog, prvm_edict_t *e, const vec_t *min, const vec_t *max)
83 {
84         prvm_vec3_t mins, maxs;
85         VectorCopy(min, mins);
86         VectorCopy(max, maxs);
87         SetMinMaxSizePRVM(prog, e, mins, maxs);
88 }
89
90 // #3 void(entity e, string m) setmodel
91 static void VM_CL_setmodel (prvm_prog_t *prog)
92 {
93         prvm_edict_t    *e;
94         const char              *m;
95         dp_model_t *mod;
96         int                             i;
97
98         VM_SAFEPARMCOUNT(2, VM_CL_setmodel);
99
100         e = PRVM_G_EDICT(OFS_PARM0);
101         PRVM_clientedictfloat(e, modelindex) = 0;
102         PRVM_clientedictstring(e, model) = 0;
103
104         m = PRVM_G_STRING(OFS_PARM1);
105         mod = NULL;
106         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
107         {
108                 if (!strcmp(cl.csqc_model_precache[i]->name, m))
109                 {
110                         mod = cl.csqc_model_precache[i];
111                         PRVM_clientedictstring(e, model) = PRVM_SetEngineString(prog, mod->name);
112                         PRVM_clientedictfloat(e, modelindex) = -(i+1);
113                         break;
114                 }
115         }
116
117         if( !mod ) {
118                 for (i = 0;i < MAX_MODELS;i++)
119                 {
120                         mod = cl.model_precache[i];
121                         if (mod && !strcmp(mod->name, m))
122                         {
123                                 PRVM_clientedictstring(e, model) = PRVM_SetEngineString(prog, mod->name);
124                                 PRVM_clientedictfloat(e, modelindex) = i;
125                                 break;
126                         }
127                 }
128         }
129
130         if( mod ) {
131                 // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
132                 // LordHavoc: erm you broke it by commenting this out - setmodel must do setsize or else the qc can't find out the model size, and ssqc does this by necessity, consistency.
133                 SetMinMaxSize (prog, e, mod->normalmins, mod->normalmaxs);
134         }
135         else
136         {
137                 SetMinMaxSize (prog, e, vec3_origin, vec3_origin);
138                 VM_Warning(prog, "setmodel: model '%s' not precached\n", m);
139         }
140 }
141
142 // #4 void(entity e, vector min, vector max) setsize
143 static void VM_CL_setsize (prvm_prog_t *prog)
144 {
145         prvm_edict_t    *e;
146         vec3_t          mins, maxs;
147         VM_SAFEPARMCOUNT(3, VM_CL_setsize);
148
149         e = PRVM_G_EDICT(OFS_PARM0);
150         if (e == prog->edicts)
151         {
152                 VM_Warning(prog, "setsize: can not modify world entity\n");
153                 return;
154         }
155         if (e->priv.server->free)
156         {
157                 VM_Warning(prog, "setsize: can not modify free entity\n");
158                 return;
159         }
160         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), mins);
161         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), maxs);
162
163         SetMinMaxSize( prog, e, mins, maxs );
164
165         CL_LinkEdict(e);
166 }
167
168 // #8 void(entity e, float chan, string samp, float volume, float atten[, float pitchchange[, float flags]]) sound
169 static void VM_CL_sound (prvm_prog_t *prog)
170 {
171         const char                      *sample;
172         int                                     channel;
173         prvm_edict_t            *entity;
174         float                           volume;
175         float                           attenuation;
176         float pitchchange;
177         float                           startposition;
178         int flags;
179         vec3_t                          org;
180
181         VM_SAFEPARMCOUNTRANGE(5, 7, VM_CL_sound);
182
183         entity = PRVM_G_EDICT(OFS_PARM0);
184         channel = (int)PRVM_G_FLOAT(OFS_PARM1);
185         sample = PRVM_G_STRING(OFS_PARM2);
186         volume = PRVM_G_FLOAT(OFS_PARM3);
187         attenuation = PRVM_G_FLOAT(OFS_PARM4);
188
189         if (volume < 0 || volume > 1)
190         {
191                 VM_Warning(prog, "VM_CL_sound: volume must be in range 0-1\n");
192                 return;
193         }
194
195         if (attenuation < 0 || attenuation > 4)
196         {
197                 VM_Warning(prog, "VM_CL_sound: attenuation must be in range 0-4\n");
198                 return;
199         }
200
201         if (prog->argc < 6)
202                 pitchchange = 0;
203         else
204                 pitchchange = PRVM_G_FLOAT(OFS_PARM5);
205
206         if (prog->argc < 7)
207                 flags = 0;
208         else
209         {
210                 // LordHavoc: we only let the qc set certain flags, others are off-limits
211                 flags = (int)PRVM_G_FLOAT(OFS_PARM6) & (CHANNELFLAG_RELIABLE | CHANNELFLAG_FORCELOOP | CHANNELFLAG_PAUSED);
212         }
213
214         // sound_starttime exists instead of sound_startposition because in a
215         // networking sense you might not know when something is being received,
216         // so making sounds match up in sync would be impossible if relative
217         // position was sent
218         if (PRVM_clientglobalfloat(sound_starttime))
219                 startposition = cl.time - PRVM_clientglobalfloat(sound_starttime);
220         else
221                 startposition = 0;
222
223         channel = CHAN_USER2ENGINE(channel);
224
225         if (!IS_CHAN(channel))
226         {
227                 VM_Warning(prog, "VM_CL_sound: channel must be in range 0-127\n");
228                 return;
229         }
230
231         CL_VM_GetEntitySoundOrigin(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), org);
232         S_StartSound_StartPosition_Flags(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), channel, S_FindName(sample), org, volume, attenuation, startposition, flags, pitchchange > 0.0f ? pitchchange * 0.01f : 1.0f);
233 }
234
235 // #483 void(vector origin, string sample, float volume, float attenuation) pointsound
236 static void VM_CL_pointsound(prvm_prog_t *prog)
237 {
238         const char                      *sample;
239         float                           volume;
240         float                           attenuation;
241         vec3_t                          org;
242
243         VM_SAFEPARMCOUNT(4, VM_CL_pointsound);
244
245         VectorCopy( PRVM_G_VECTOR(OFS_PARM0), org);
246         sample = PRVM_G_STRING(OFS_PARM1);
247         volume = PRVM_G_FLOAT(OFS_PARM2);
248         attenuation = PRVM_G_FLOAT(OFS_PARM3);
249
250         if (volume < 0 || volume > 1)
251         {
252                 VM_Warning(prog, "VM_CL_pointsound: volume must be in range 0-1\n");
253                 return;
254         }
255
256         if (attenuation < 0 || attenuation > 4)
257         {
258                 VM_Warning(prog, "VM_CL_pointsound: attenuation must be in range 0-4\n");
259                 return;
260         }
261
262         // Send World Entity as Entity to Play Sound (for CSQC, that is MAX_EDICTS)
263         S_StartSound(MAX_EDICTS, 0, S_FindName(sample), org, volume, attenuation);
264 }
265
266 // #14 entity() spawn
267 static void VM_CL_spawn (prvm_prog_t *prog)
268 {
269         prvm_edict_t *ed;
270         ed = PRVM_ED_Alloc(prog);
271         VM_RETURN_EDICT(ed);
272 }
273
274 static void CL_VM_SetTraceGlobals(prvm_prog_t *prog, const trace_t *trace, int svent)
275 {
276         VM_SetTraceGlobals(prog, trace);
277         PRVM_clientglobalfloat(trace_networkentity) = svent;
278 }
279
280 #define CL_HitNetworkBrushModels(move) !((move) == MOVE_WORLDONLY)
281 #define CL_HitNetworkPlayers(move)     !((move) == MOVE_WORLDONLY || (move) == MOVE_NOMONSTERS)
282
283 // #16 void(vector v1, vector v2, float movetype, entity ignore) traceline
284 static void VM_CL_traceline (prvm_prog_t *prog)
285 {
286         vec3_t  v1, v2;
287         trace_t trace;
288         int             move, svent;
289         prvm_edict_t    *ent;
290
291 //      R_TimeReport("pretraceline");
292
293         VM_SAFEPARMCOUNTRANGE(4, 4, VM_CL_traceline);
294
295         prog->xfunction->builtinsprofile += 30;
296
297         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), v1);
298         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), v2);
299         move = (int)PRVM_G_FLOAT(OFS_PARM2);
300         ent = PRVM_G_EDICT(OFS_PARM3);
301
302         if (VEC_IS_NAN(v1[0]) || VEC_IS_NAN(v1[1]) || VEC_IS_NAN(v1[2]) || VEC_IS_NAN(v2[0]) || VEC_IS_NAN(v2[1]) || VEC_IS_NAN(v2[2]))
303                 prog->error_cmd("%s: NAN errors detected in traceline('%f %f %f', '%f %f %f', %i, entity %i)\n", prog->name, v1[0], v1[1], v1[2], v2[0], v2[1], v2[2], move, PRVM_EDICT_TO_PROG(ent));
304
305         trace = CL_TraceLine(v1, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true, false);
306
307         CL_VM_SetTraceGlobals(prog, &trace, svent);
308 //      R_TimeReport("traceline");
309 }
310
311 /*
312 =================
313 VM_CL_tracebox
314
315 Used for use tracing and shot targeting
316 Traces are blocked by bbox and exact bsp entityes, and also slide box entities
317 if the tryents flag is set.
318
319 tracebox (vector1, vector mins, vector maxs, vector2, tryents)
320 =================
321 */
322 // LordHavoc: added this for my own use, VERY useful, similar to traceline
323 static void VM_CL_tracebox (prvm_prog_t *prog)
324 {
325         vec3_t  v1, v2, m1, m2;
326         trace_t trace;
327         int             move, svent;
328         prvm_edict_t    *ent;
329
330 //      R_TimeReport("pretracebox");
331         VM_SAFEPARMCOUNTRANGE(6, 8, VM_CL_tracebox); // allow more parameters for future expansion
332
333         prog->xfunction->builtinsprofile += 30;
334
335         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), v1);
336         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), m1);
337         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), m2);
338         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), v2);
339         move = (int)PRVM_G_FLOAT(OFS_PARM4);
340         ent = PRVM_G_EDICT(OFS_PARM5);
341
342         if (VEC_IS_NAN(v1[0]) || VEC_IS_NAN(v1[1]) || VEC_IS_NAN(v1[2]) || VEC_IS_NAN(v2[0]) || VEC_IS_NAN(v2[1]) || VEC_IS_NAN(v2[2]))
343                 prog->error_cmd("%s: NAN errors detected in tracebox('%f %f %f', '%f %f %f', '%f %f %f', '%f %f %f', %i, entity %i)\n", prog->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));
344
345         trace = CL_TraceBox(v1, m1, m2, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
346
347         CL_VM_SetTraceGlobals(prog, &trace, svent);
348 //      R_TimeReport("tracebox");
349 }
350
351 static trace_t CL_Trace_Toss (prvm_prog_t *prog, prvm_edict_t *tossent, prvm_edict_t *ignore, int *svent)
352 {
353         int i;
354         float gravity;
355         vec3_t start, end, mins, maxs, move;
356         vec3_t original_origin;
357         vec3_t original_velocity;
358         vec3_t original_angles;
359         vec3_t original_avelocity;
360         trace_t trace;
361
362         VectorCopy(PRVM_clientedictvector(tossent, origin)   , original_origin   );
363         VectorCopy(PRVM_clientedictvector(tossent, velocity) , original_velocity );
364         VectorCopy(PRVM_clientedictvector(tossent, angles)   , original_angles   );
365         VectorCopy(PRVM_clientedictvector(tossent, avelocity), original_avelocity);
366
367         gravity = PRVM_clientedictfloat(tossent, gravity);
368         if (!gravity)
369                 gravity = 1.0f;
370         gravity *= cl.movevars_gravity * 0.05;
371
372         for (i = 0;i < 200;i++) // LordHavoc: sanity check; never trace more than 10 seconds
373         {
374                 PRVM_clientedictvector(tossent, velocity)[2] -= gravity;
375                 VectorMA (PRVM_clientedictvector(tossent, angles), 0.05, PRVM_clientedictvector(tossent, avelocity), PRVM_clientedictvector(tossent, angles));
376                 VectorScale (PRVM_clientedictvector(tossent, velocity), 0.05, move);
377                 VectorAdd (PRVM_clientedictvector(tossent, origin), move, end);
378                 VectorCopy(PRVM_clientedictvector(tossent, origin), start);
379                 VectorCopy(PRVM_clientedictvector(tossent, mins), mins);
380                 VectorCopy(PRVM_clientedictvector(tossent, maxs), maxs);
381                 trace = CL_TraceBox(start, mins, maxs, end, MOVE_NORMAL, tossent, CL_GenericHitSuperContentsMask(tossent), true, true, NULL, true);
382                 VectorCopy (trace.endpos, PRVM_clientedictvector(tossent, origin));
383
384                 if (trace.fraction < 1)
385                         break;
386         }
387
388         VectorCopy(original_origin   , PRVM_clientedictvector(tossent, origin)   );
389         VectorCopy(original_velocity , PRVM_clientedictvector(tossent, velocity) );
390         VectorCopy(original_angles   , PRVM_clientedictvector(tossent, angles)   );
391         VectorCopy(original_avelocity, PRVM_clientedictvector(tossent, avelocity));
392
393         return trace;
394 }
395
396 static void VM_CL_tracetoss (prvm_prog_t *prog)
397 {
398         trace_t trace;
399         prvm_edict_t    *ent;
400         prvm_edict_t    *ignore;
401         int svent = 0;
402
403         prog->xfunction->builtinsprofile += 600;
404
405         VM_SAFEPARMCOUNT(2, VM_CL_tracetoss);
406
407         ent = PRVM_G_EDICT(OFS_PARM0);
408         if (ent == prog->edicts)
409         {
410                 VM_Warning(prog, "tracetoss: can not use world entity\n");
411                 return;
412         }
413         ignore = PRVM_G_EDICT(OFS_PARM1);
414
415         trace = CL_Trace_Toss (prog, ent, ignore, &svent);
416
417         CL_VM_SetTraceGlobals(prog, &trace, svent);
418 }
419
420
421 // #20 void(string s) precache_model
422 static void VM_CL_precache_model (prvm_prog_t *prog)
423 {
424         const char      *name;
425         int                     i;
426         dp_model_t              *m;
427
428         VM_SAFEPARMCOUNT(1, VM_CL_precache_model);
429
430         name = PRVM_G_STRING(OFS_PARM0);
431         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
432         {
433                 if(!strcmp(cl.csqc_model_precache[i]->name, name))
434                 {
435                         PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
436                         return;
437                 }
438         }
439         PRVM_G_FLOAT(OFS_RETURN) = 0;
440         m = Mod_ForName(name, false, false, name[0] == '*' ? cl.model_name[1] : NULL);
441         if(m && m->loaded)
442         {
443                 for (i = 0;i < MAX_MODELS;i++)
444                 {
445                         if (!cl.csqc_model_precache[i])
446                         {
447                                 cl.csqc_model_precache[i] = (dp_model_t*)m;
448                                 PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
449                                 return;
450                         }
451                 }
452                 VM_Warning(prog, "VM_CL_precache_model: no free models\n");
453                 return;
454         }
455         VM_Warning(prog, "VM_CL_precache_model: model \"%s\" not found\n", name);
456 }
457
458 // #22 entity(vector org, float rad) findradius
459 static void VM_CL_findradius (prvm_prog_t *prog)
460 {
461         prvm_edict_t    *ent, *chain;
462         vec_t                   radius, radius2;
463         vec3_t                  org, eorg, mins, maxs;
464         int                             i, numtouchedicts;
465         static prvm_edict_t     *touchedicts[MAX_EDICTS];
466         int             chainfield;
467
468         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_findradius);
469
470         if(prog->argc == 3)
471                 chainfield = PRVM_G_INT(OFS_PARM2);
472         else
473                 chainfield = prog->fieldoffsets.chain;
474         if(chainfield < 0)
475                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
476
477         chain = (prvm_edict_t *)prog->edicts;
478
479         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
480         radius = PRVM_G_FLOAT(OFS_PARM1);
481         radius2 = radius * radius;
482
483         mins[0] = org[0] - (radius + 1);
484         mins[1] = org[1] - (radius + 1);
485         mins[2] = org[2] - (radius + 1);
486         maxs[0] = org[0] + (radius + 1);
487         maxs[1] = org[1] + (radius + 1);
488         maxs[2] = org[2] + (radius + 1);
489         numtouchedicts = World_EntitiesInBox(&cl.world, mins, maxs, MAX_EDICTS, touchedicts);
490         if (numtouchedicts > MAX_EDICTS)
491         {
492                 // this never happens   //[515]: for what then ?
493                 Con_Printf("CSQC_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
494                 numtouchedicts = MAX_EDICTS;
495         }
496         for (i = 0;i < numtouchedicts;i++)
497         {
498                 ent = touchedicts[i];
499                 // Quake did not return non-solid entities but darkplaces does
500                 // (note: this is the reason you can't blow up fallen zombies)
501                 if (PRVM_clientedictfloat(ent, solid) == SOLID_NOT && !sv_gameplayfix_blowupfallenzombies.integer)
502                         continue;
503                 // LordHavoc: compare against bounding box rather than center so it
504                 // doesn't miss large objects, and use DotProduct instead of Length
505                 // for a major speedup
506                 VectorSubtract(org, PRVM_clientedictvector(ent, origin), eorg);
507                 if (sv_gameplayfix_findradiusdistancetobox.integer)
508                 {
509                         eorg[0] -= bound(PRVM_clientedictvector(ent, mins)[0], eorg[0], PRVM_clientedictvector(ent, maxs)[0]);
510                         eorg[1] -= bound(PRVM_clientedictvector(ent, mins)[1], eorg[1], PRVM_clientedictvector(ent, maxs)[1]);
511                         eorg[2] -= bound(PRVM_clientedictvector(ent, mins)[2], eorg[2], PRVM_clientedictvector(ent, maxs)[2]);
512                 }
513                 else
514                         VectorMAMAM(1, eorg, -0.5f, PRVM_clientedictvector(ent, mins), -0.5f, PRVM_clientedictvector(ent, maxs), eorg);
515                 if (DotProduct(eorg, eorg) < radius2)
516                 {
517                         PRVM_EDICTFIELDEDICT(ent, chainfield) = PRVM_EDICT_TO_PROG(chain);
518                         chain = ent;
519                 }
520         }
521
522         VM_RETURN_EDICT(chain);
523 }
524
525 // #34 float() droptofloor
526 static void VM_CL_droptofloor (prvm_prog_t *prog)
527 {
528         prvm_edict_t            *ent;
529         vec3_t                          start, end, mins, maxs;
530         trace_t                         trace;
531
532         VM_SAFEPARMCOUNTRANGE(0, 2, VM_CL_droptofloor); // allow 2 parameters because the id1 defs.qc had an incorrect prototype
533
534         // assume failure if it returns early
535         PRVM_G_FLOAT(OFS_RETURN) = 0;
536
537         ent = PRVM_PROG_TO_EDICT(PRVM_clientglobaledict(self));
538         if (ent == prog->edicts)
539         {
540                 VM_Warning(prog, "droptofloor: can not modify world entity\n");
541                 return;
542         }
543         if (ent->priv.server->free)
544         {
545                 VM_Warning(prog, "droptofloor: can not modify free entity\n");
546                 return;
547         }
548
549         VectorCopy(PRVM_clientedictvector(ent, origin), start);
550         VectorCopy(PRVM_clientedictvector(ent, mins), mins);
551         VectorCopy(PRVM_clientedictvector(ent, maxs), maxs);
552         VectorCopy(PRVM_clientedictvector(ent, origin), end);
553         end[2] -= 256;
554
555         trace = CL_TraceBox(start, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
556
557         if (trace.fraction != 1)
558         {
559                 VectorCopy (trace.endpos, PRVM_clientedictvector(ent, origin));
560                 PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) | FL_ONGROUND;
561                 PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
562                 PRVM_G_FLOAT(OFS_RETURN) = 1;
563                 // if support is destroyed, keep suspended (gross hack for floating items in various maps)
564 //              ent->priv.server->suspendedinairflag = true;
565         }
566 }
567
568 // #35 void(float style, string value) lightstyle
569 static void VM_CL_lightstyle (prvm_prog_t *prog)
570 {
571         int                     i;
572         const char      *c;
573
574         VM_SAFEPARMCOUNT(2, VM_CL_lightstyle);
575
576         i = (int)PRVM_G_FLOAT(OFS_PARM0);
577         c = PRVM_G_STRING(OFS_PARM1);
578         if (i >= cl.max_lightstyle)
579         {
580                 VM_Warning(prog, "VM_CL_lightstyle >= MAX_LIGHTSTYLES\n");
581                 return;
582         }
583         strlcpy (cl.lightstyle[i].map, c, sizeof (cl.lightstyle[i].map));
584         cl.lightstyle[i].map[MAX_STYLESTRING - 1] = 0;
585         cl.lightstyle[i].length = (int)strlen(cl.lightstyle[i].map);
586 }
587
588 // #40 float(entity e) checkbottom
589 static void VM_CL_checkbottom (prvm_prog_t *prog)
590 {
591         static int              cs_yes, cs_no;
592         prvm_edict_t    *ent;
593         vec3_t                  mins, maxs, start, stop;
594         trace_t                 trace;
595         int                             x, y;
596         float                   mid, bottom;
597
598         VM_SAFEPARMCOUNT(1, VM_CL_checkbottom);
599         ent = PRVM_G_EDICT(OFS_PARM0);
600         PRVM_G_FLOAT(OFS_RETURN) = 0;
601
602         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
603         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
604
605 // if all of the points under the corners are solid world, don't bother
606 // with the tougher checks
607 // the corners must be within 16 of the midpoint
608         start[2] = mins[2] - 1;
609         for     (x=0 ; x<=1 ; x++)
610                 for     (y=0 ; y<=1 ; y++)
611                 {
612                         start[0] = x ? maxs[0] : mins[0];
613                         start[1] = y ? maxs[1] : mins[1];
614                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
615                                 goto realcheck;
616                 }
617
618         cs_yes++;
619         PRVM_G_FLOAT(OFS_RETURN) = true;
620         return;         // we got out easy
621
622 realcheck:
623         cs_no++;
624 //
625 // check it for real...
626 //
627         start[2] = mins[2];
628
629 // the midpoint must be within 16 of the bottom
630         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
631         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
632         stop[2] = start[2] - 2*sv_stepheight.value;
633         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true, false);
634
635         if (trace.fraction == 1.0)
636                 return;
637
638         mid = bottom = trace.endpos[2];
639
640 // the corners must be within 16 of the midpoint
641         for     (x=0 ; x<=1 ; x++)
642                 for     (y=0 ; y<=1 ; y++)
643                 {
644                         start[0] = stop[0] = x ? maxs[0] : mins[0];
645                         start[1] = stop[1] = y ? maxs[1] : mins[1];
646
647                         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true, false);
648
649                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
650                                 bottom = trace.endpos[2];
651                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
652                                 return;
653                 }
654
655         cs_yes++;
656         PRVM_G_FLOAT(OFS_RETURN) = true;
657 }
658
659 // #41 float(vector v) pointcontents
660 static void VM_CL_pointcontents (prvm_prog_t *prog)
661 {
662         vec3_t point;
663         VM_SAFEPARMCOUNT(1, VM_CL_pointcontents);
664         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), point);
665         PRVM_G_FLOAT(OFS_RETURN) = Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CL_PointSuperContents(point));
666 }
667
668 // #48 void(vector o, vector d, float color, float count) particle
669 static void VM_CL_particle (prvm_prog_t *prog)
670 {
671         vec3_t org, dir;
672         int             count;
673         unsigned char   color;
674         VM_SAFEPARMCOUNT(4, VM_CL_particle);
675
676         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
677         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
678         color = (int)PRVM_G_FLOAT(OFS_PARM2);
679         count = (int)PRVM_G_FLOAT(OFS_PARM3);
680         CL_ParticleEffect(EFFECT_SVC_PARTICLE, count, org, org, dir, dir, NULL, color);
681 }
682
683 // #74 void(vector pos, string samp, float vol, float atten) ambientsound
684 static void VM_CL_ambientsound (prvm_prog_t *prog)
685 {
686         vec3_t f;
687         sfx_t   *s;
688         VM_SAFEPARMCOUNT(4, VM_CL_ambientsound);
689         s = S_FindName(PRVM_G_STRING(OFS_PARM0));
690         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f);
691         S_StaticSound (s, f, PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM3)*64);
692 }
693
694 // #92 vector(vector org[, float lpflag]) getlight (DP_QC_GETLIGHT)
695 static void VM_CL_getlight (prvm_prog_t *prog)
696 {
697         vec3_t ambientcolor, diffusecolor, diffusenormal;
698         vec3_t p;
699
700         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getlight);
701
702         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), p);
703         VectorClear(ambientcolor);
704         VectorClear(diffusecolor);
705         VectorClear(diffusenormal);
706         if (prog->argc >= 2)
707                 R_CompleteLightPoint(ambientcolor, diffusecolor, diffusenormal, p, PRVM_G_FLOAT(OFS_PARM1));
708         else if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
709                 cl.worldmodel->brush.LightPoint(cl.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
710         VectorMA(ambientcolor, 0.5, diffusecolor, PRVM_G_VECTOR(OFS_RETURN));
711         if (PRVM_clientglobalvector(getlight_ambient))
712                 VectorCopy(ambientcolor, PRVM_clientglobalvector(getlight_ambient));
713         if (PRVM_clientglobalvector(getlight_diffuse))
714                 VectorCopy(diffusecolor, PRVM_clientglobalvector(getlight_diffuse));
715         if (PRVM_clientglobalvector(getlight_dir))
716                 VectorCopy(diffusenormal, PRVM_clientglobalvector(getlight_dir));
717 }
718
719 //============================================================================
720 //[515]: SCENE MANAGER builtins
721
722 void CSQC_R_RecalcView (void)
723 {
724         extern matrix4x4_t viewmodelmatrix_nobob;
725         extern matrix4x4_t viewmodelmatrix_withbob;
726         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);
727         Matrix4x4_Copy(&viewmodelmatrix_nobob, &r_refdef.view.matrix);
728         Matrix4x4_ConcatScale(&viewmodelmatrix_nobob, cl_viewmodel_scale.value);
729         Matrix4x4_Concat(&viewmodelmatrix_withbob, &r_refdef.view.matrix, &cl.csqc_viewmodelmatrixfromengine);
730 }
731
732 //#300 void() clearscene (EXT_CSQC)
733 static void VM_CL_R_ClearScene (prvm_prog_t *prog)
734 {
735         VM_SAFEPARMCOUNT(0, VM_CL_R_ClearScene);
736         // clear renderable entity and light lists
737         r_refdef.scene.numentities = 0;
738         r_refdef.scene.numlights = 0;
739         // restore the view settings to the values that VM_CL_UpdateView received from the client code
740         r_refdef.view = csqc_original_r_refdef_view;
741         VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
742         VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
743         cl.csqc_vidvars.drawworld = r_drawworld.integer != 0;
744         cl.csqc_vidvars.drawenginesbar = false;
745         cl.csqc_vidvars.drawcrosshair = false;
746         CSQC_R_RecalcView();
747 }
748
749 //#301 void(float mask) addentities (EXT_CSQC)
750 static void VM_CL_R_AddEntities (prvm_prog_t *prog)
751 {
752         double t = Sys_DirtyTime();
753         int                     i, drawmask;
754         prvm_edict_t *ed;
755         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntities);
756         drawmask = (int)PRVM_G_FLOAT(OFS_PARM0);
757         CSQC_RelinkAllEntities(drawmask);
758         CL_RelinkLightFlashes();
759
760         PRVM_clientglobalfloat(time) = cl.time;
761         for(i=1;i<prog->num_edicts;i++)
762         {
763                 // so we can easily check if CSQC entity #edictnum is currently drawn
764                 cl.csqcrenderentities[i].entitynumber = 0;
765                 ed = &prog->edicts[i];
766                 if(ed->priv.required->free)
767                         continue;
768                 CSQC_Think(ed);
769                 if(ed->priv.required->free)
770                         continue;
771                 // note that for RF_USEAXIS entities, Predraw sets v_forward/v_right/v_up globals that are read by CSQC_AddRenderEdict
772                 CSQC_Predraw(ed);
773                 if(ed->priv.required->free)
774                         continue;
775                 if(!((int)PRVM_clientedictfloat(ed, drawmask) & drawmask))
776                         continue;
777                 CSQC_AddRenderEdict(ed, i);
778         }
779
780         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
781         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
782         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
783 }
784
785 //#302 void(entity ent) addentity (EXT_CSQC)
786 static void VM_CL_R_AddEntity (prvm_prog_t *prog)
787 {
788         double t = Sys_DirtyTime();
789         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntity);
790         CSQC_AddRenderEdict(PRVM_G_EDICT(OFS_PARM0), 0);
791         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
792         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
793 }
794
795 //#303 float(float property, ...) setproperty (EXT_CSQC)
796 //#303 float(float property) getproperty
797 //#303 vector(float property) getpropertyvec
798 //#309 float(float property) getproperty
799 //#309 vector(float property) getpropertyvec
800 // VorteX: make this function be able to return previously set property if new value is not given
801 static void VM_CL_R_SetView (prvm_prog_t *prog)
802 {
803         int             c;
804         prvm_vec_t      *f;
805         float   k;
806
807         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_R_SetView);
808
809         c = (int)PRVM_G_FLOAT(OFS_PARM0);
810
811         // return value?
812         if (prog->argc < 2)
813         {
814                 switch(c)
815                 {
816                 case VF_MIN:
817                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.x, r_refdef.view.y, 0);
818                         break;
819                 case VF_MIN_X:
820                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.x;
821                         break;
822                 case VF_MIN_Y:
823                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.y;
824                         break;
825                 case VF_SIZE:
826                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.width, r_refdef.view.height, 0);
827                         break;
828                 case VF_SIZE_X:
829                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.width;
830                         break;
831                 case VF_SIZE_Y:
832                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.height;
833                         break;
834                 case VF_VIEWPORT:
835                         VM_Warning(prog, "VM_CL_R_GetView : VF_VIEWPORT can't be retrieved, use VF_MIN/VF_SIZE instead\n");
836                         break;
837                 case VF_FOV:
838                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.ortho_x, r_refdef.view.ortho_y, 0);
839                         break;
840                 case VF_FOVX:
841                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_x;
842                         break;
843                 case VF_FOVY:
844                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_y;
845                         break;
846                 case VF_ORIGIN:
847                         VectorCopy(cl.csqc_vieworigin, PRVM_G_VECTOR(OFS_RETURN));
848                         break;
849                 case VF_ORIGIN_X:
850                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[0];
851                         break;
852                 case VF_ORIGIN_Y:
853                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[1];
854                         break;
855                 case VF_ORIGIN_Z:
856                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[2];
857                         break;
858                 case VF_ANGLES:
859                         VectorCopy(cl.csqc_viewangles, PRVM_G_VECTOR(OFS_RETURN));
860                         break;
861                 case VF_ANGLES_X:
862                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[0];
863                         break;
864                 case VF_ANGLES_Y:
865                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[1];
866                         break;
867                 case VF_ANGLES_Z:
868                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[2];
869                         break;
870                 case VF_DRAWWORLD:
871                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawworld;
872                         break;
873                 case VF_DRAWENGINESBAR:
874                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawenginesbar;
875                         break;
876                 case VF_DRAWCROSSHAIR:
877                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawcrosshair;
878                         break;
879                 case VF_CL_VIEWANGLES:
880                         VectorCopy(cl.viewangles, PRVM_G_VECTOR(OFS_RETURN));;
881                         break;
882                 case VF_CL_VIEWANGLES_X:
883                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[0];
884                         break;
885                 case VF_CL_VIEWANGLES_Y:
886                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[1];
887                         break;
888                 case VF_CL_VIEWANGLES_Z:
889                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[2];
890                         break;
891                 case VF_PERSPECTIVE:
892                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.useperspective;
893                         break;
894                 case VF_CLEARSCREEN:
895                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.isoverlay;
896                         break;
897                 case VF_MAINVIEW:
898                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
899                         break;
900                 case VF_FOG_DENSITY:
901                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_density;
902                         break;
903                 case VF_FOG_COLOR:
904                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
905                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
906                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
907                         break;
908                 case VF_FOG_COLOR_R:
909                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
910                         break;
911                 case VF_FOG_COLOR_G:
912                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
913                         break;
914                 case VF_FOG_COLOR_B:
915                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
916                         break;
917                 case VF_FOG_ALPHA:
918                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_alpha;
919                         break;
920                 case VF_FOG_START:
921                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_start;
922                         break;
923                 case VF_FOG_END:
924                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_end;
925                         break;
926                 case VF_FOG_HEIGHT:
927                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_height;
928                         break;
929                 case VF_FOG_FADEDEPTH:
930                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_fadedepth;
931                         break;
932                 case VF_MINFPS_QUALITY:
933                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.quality;
934                         break;
935                 default:
936                         PRVM_G_FLOAT(OFS_RETURN) = 0;
937                         VM_Warning(prog, "VM_CL_R_GetView : unknown parm %i\n", c);
938                         return;
939                 }
940                 return;
941         }
942
943         f = PRVM_G_VECTOR(OFS_PARM1);
944         k = PRVM_G_FLOAT(OFS_PARM1);
945         switch(c)
946         {
947         case VF_MIN:
948                 r_refdef.view.x = (int)(f[0]);
949                 r_refdef.view.y = (int)(f[1]);
950                 DrawQ_RecalcView();
951                 break;
952         case VF_MIN_X:
953                 r_refdef.view.x = (int)(k);
954                 DrawQ_RecalcView();
955                 break;
956         case VF_MIN_Y:
957                 r_refdef.view.y = (int)(k);
958                 DrawQ_RecalcView();
959                 break;
960         case VF_SIZE:
961                 r_refdef.view.width = (int)(f[0]);
962                 r_refdef.view.height = (int)(f[1]);
963                 DrawQ_RecalcView();
964                 break;
965         case VF_SIZE_X:
966                 r_refdef.view.width = (int)(k);
967                 DrawQ_RecalcView();
968                 break;
969         case VF_SIZE_Y:
970                 r_refdef.view.height = (int)(k);
971                 DrawQ_RecalcView();
972                 break;
973         case VF_VIEWPORT:
974                 r_refdef.view.x = (int)(f[0]);
975                 r_refdef.view.y = (int)(f[1]);
976                 f = PRVM_G_VECTOR(OFS_PARM2);
977                 r_refdef.view.width = (int)(f[0]);
978                 r_refdef.view.height = (int)(f[1]);
979                 DrawQ_RecalcView();
980                 break;
981         case VF_FOV:
982                 r_refdef.view.frustum_x = tan(f[0] * M_PI / 360.0);r_refdef.view.ortho_x = f[0];
983                 r_refdef.view.frustum_y = tan(f[1] * M_PI / 360.0);r_refdef.view.ortho_y = f[1];
984                 break;
985         case VF_FOVX:
986                 r_refdef.view.frustum_x = tan(k * M_PI / 360.0);r_refdef.view.ortho_x = k;
987                 break;
988         case VF_FOVY:
989                 r_refdef.view.frustum_y = tan(k * M_PI / 360.0);r_refdef.view.ortho_y = k;
990                 break;
991         case VF_ORIGIN:
992                 VectorCopy(f, cl.csqc_vieworigin);
993                 CSQC_R_RecalcView();
994                 break;
995         case VF_ORIGIN_X:
996                 cl.csqc_vieworigin[0] = k;
997                 CSQC_R_RecalcView();
998                 break;
999         case VF_ORIGIN_Y:
1000                 cl.csqc_vieworigin[1] = k;
1001                 CSQC_R_RecalcView();
1002                 break;
1003         case VF_ORIGIN_Z:
1004                 cl.csqc_vieworigin[2] = k;
1005                 CSQC_R_RecalcView();
1006                 break;
1007         case VF_ANGLES:
1008                 VectorCopy(f, cl.csqc_viewangles);
1009                 CSQC_R_RecalcView();
1010                 break;
1011         case VF_ANGLES_X:
1012                 cl.csqc_viewangles[0] = k;
1013                 CSQC_R_RecalcView();
1014                 break;
1015         case VF_ANGLES_Y:
1016                 cl.csqc_viewangles[1] = k;
1017                 CSQC_R_RecalcView();
1018                 break;
1019         case VF_ANGLES_Z:
1020                 cl.csqc_viewangles[2] = k;
1021                 CSQC_R_RecalcView();
1022                 break;
1023         case VF_DRAWWORLD:
1024                 cl.csqc_vidvars.drawworld = ((k != 0) && r_drawworld.integer);
1025                 break;
1026         case VF_DRAWENGINESBAR:
1027                 cl.csqc_vidvars.drawenginesbar = k != 0;
1028                 break;
1029         case VF_DRAWCROSSHAIR:
1030                 cl.csqc_vidvars.drawcrosshair = k != 0;
1031                 break;
1032         case VF_CL_VIEWANGLES:
1033                 VectorCopy(f, cl.viewangles);
1034                 break;
1035         case VF_CL_VIEWANGLES_X:
1036                 cl.viewangles[0] = k;
1037                 break;
1038         case VF_CL_VIEWANGLES_Y:
1039                 cl.viewangles[1] = k;
1040                 break;
1041         case VF_CL_VIEWANGLES_Z:
1042                 cl.viewangles[2] = k;
1043                 break;
1044         case VF_PERSPECTIVE:
1045                 r_refdef.view.useperspective = k != 0;
1046                 break;
1047         case VF_CLEARSCREEN:
1048                 r_refdef.view.isoverlay = !k;
1049                 break;
1050         case VF_MAINVIEW:
1051                 PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
1052                 break;
1053         case VF_FOG_DENSITY:
1054                 r_refdef.fog_density = k;
1055                 break;
1056         case VF_FOG_COLOR:
1057                 r_refdef.fog_red = f[0];
1058                 r_refdef.fog_green = f[1];
1059                 r_refdef.fog_blue = f[2];
1060                 break;
1061         case VF_FOG_COLOR_R:
1062                 r_refdef.fog_red = k;
1063                 break;
1064         case VF_FOG_COLOR_G:
1065                 r_refdef.fog_green = k;
1066                 break;
1067         case VF_FOG_COLOR_B:
1068                 r_refdef.fog_blue = k;
1069                 break;
1070         case VF_FOG_ALPHA:
1071                 r_refdef.fog_alpha = k;
1072                 break;
1073         case VF_FOG_START:
1074                 r_refdef.fog_start = k;
1075                 break;
1076         case VF_FOG_END:
1077                 r_refdef.fog_end = k;
1078                 break;
1079         case VF_FOG_HEIGHT:
1080                 r_refdef.fog_height = k;
1081                 break;
1082         case VF_FOG_FADEDEPTH:
1083                 r_refdef.fog_fadedepth = k;
1084                 break;
1085         case VF_MINFPS_QUALITY:
1086                 r_refdef.view.quality = k;
1087                 break;
1088         default:
1089                 PRVM_G_FLOAT(OFS_RETURN) = 0;
1090                 VM_Warning(prog, "VM_CL_R_SetView : unknown parm %i\n", c);
1091                 return;
1092         }
1093         PRVM_G_FLOAT(OFS_RETURN) = 1;
1094 }
1095
1096 //#305 void(vector org, float radius, vector lightcolours[, float style, string cubemapname, float pflags]) adddynamiclight (EXT_CSQC)
1097 static void VM_CL_R_AddDynamicLight (prvm_prog_t *prog)
1098 {
1099         double t = Sys_DirtyTime();
1100         vec3_t org;
1101         float radius = 300;
1102         vec3_t col;
1103         int style = -1;
1104         const char *cubemapname = NULL;
1105         int pflags = PFLAGS_CORONA | PFLAGS_FULLDYNAMIC;
1106         float coronaintensity = 1;
1107         float coronasizescale = 0.25;
1108         qboolean castshadow = true;
1109         float ambientscale = 0;
1110         float diffusescale = 1;
1111         float specularscale = 1;
1112         matrix4x4_t matrix;
1113         vec3_t forward, left, up;
1114         VM_SAFEPARMCOUNTRANGE(3, 8, VM_CL_R_AddDynamicLight);
1115
1116         // if we've run out of dlights, just return
1117         if (r_refdef.scene.numlights >= MAX_DLIGHTS)
1118                 return;
1119
1120         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
1121         radius = PRVM_G_FLOAT(OFS_PARM1);
1122         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), col);
1123         if (prog->argc >= 4)
1124         {
1125                 style = (int)PRVM_G_FLOAT(OFS_PARM3);
1126                 if (style >= MAX_LIGHTSTYLES)
1127                 {
1128                         Con_DPrintf("VM_CL_R_AddDynamicLight: out of bounds lightstyle index %i\n", style);
1129                         style = -1;
1130                 }
1131         }
1132         if (prog->argc >= 5)
1133                 cubemapname = PRVM_G_STRING(OFS_PARM4);
1134         if (prog->argc >= 6)
1135                 pflags = (int)PRVM_G_FLOAT(OFS_PARM5);
1136         coronaintensity = (pflags & PFLAGS_CORONA) != 0;
1137         castshadow = (pflags & PFLAGS_NOSHADOW) == 0;
1138
1139         VectorScale(PRVM_clientglobalvector(v_forward), radius, forward);
1140         VectorScale(PRVM_clientglobalvector(v_right), -radius, left);
1141         VectorScale(PRVM_clientglobalvector(v_up), radius, up);
1142         Matrix4x4_FromVectors(&matrix, forward, left, up, org);
1143
1144         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);
1145         r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1146         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
1147         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
1148 }
1149
1150 //============================================================================
1151
1152 //#310 vector (vector v) cs_unproject (EXT_CSQC)
1153 static void VM_CL_unproject (prvm_prog_t *prog)
1154 {
1155         vec3_t f;
1156         vec3_t temp;
1157         vec3_t result;
1158
1159         VM_SAFEPARMCOUNT(1, VM_CL_unproject);
1160         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), f);
1161         VectorSet(temp,
1162                 f[2],
1163                 (-1.0 + 2.0 * (f[0] / vid_conwidth.integer)) * f[2] * -r_refdef.view.frustum_x,
1164                 (-1.0 + 2.0 * (f[1] / vid_conheight.integer)) * f[2] * -r_refdef.view.frustum_y);
1165         if(v_flipped.integer)
1166                 temp[1] = -temp[1];
1167         Matrix4x4_Transform(&r_refdef.view.matrix, temp, result);
1168         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
1169 }
1170
1171 //#311 vector (vector v) cs_project (EXT_CSQC)
1172 static void VM_CL_project (prvm_prog_t *prog)
1173 {
1174         vec3_t f;
1175         vec3_t v;
1176         matrix4x4_t m;
1177
1178         VM_SAFEPARMCOUNT(1, VM_CL_project);
1179         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), f);
1180         Matrix4x4_Invert_Simple(&m, &r_refdef.view.matrix);
1181         Matrix4x4_Transform(&m, f, v);
1182         if(v_flipped.integer)
1183                 v[1] = -v[1];
1184         VectorSet(PRVM_G_VECTOR(OFS_RETURN),
1185                 vid_conwidth.integer * (0.5*(1.0+v[1]/v[0]/-r_refdef.view.frustum_x)),
1186                 vid_conheight.integer * (0.5*(1.0+v[2]/v[0]/-r_refdef.view.frustum_y)),
1187                 v[0]);
1188         // explanation:
1189         // after transforming, relative position to viewport (0..1) = 0.5 * (1 + v[2]/v[0]/-frustum_{x \or y})
1190         // as 2D drawing honors the viewport too, to get the same pixel, we simply multiply this by conwidth/height
1191 }
1192
1193 //#330 float(float stnum) getstatf (EXT_CSQC)
1194 static void VM_CL_getstatf (prvm_prog_t *prog)
1195 {
1196         int i;
1197         union
1198         {
1199                 float f;
1200                 int l;
1201         }dat;
1202         VM_SAFEPARMCOUNT(1, VM_CL_getstatf);
1203         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1204         if(i < 0 || i >= MAX_CL_STATS)
1205         {
1206                 VM_Warning(prog, "VM_CL_getstatf: index>=MAX_CL_STATS or index<0\n");
1207                 return;
1208         }
1209         dat.l = cl.stats[i];
1210         PRVM_G_FLOAT(OFS_RETURN) =  dat.f;
1211 }
1212
1213 //#331 float(float stnum) getstati (EXT_CSQC)
1214 static void VM_CL_getstati (prvm_prog_t *prog)
1215 {
1216         int i, index;
1217         int firstbit, bitcount;
1218
1219         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getstati);
1220
1221         index = (int)PRVM_G_FLOAT(OFS_PARM0);
1222         if (prog->argc > 1)
1223         {
1224                 firstbit = (int)PRVM_G_FLOAT(OFS_PARM1);
1225                 if (prog->argc > 2)
1226                         bitcount = (int)PRVM_G_FLOAT(OFS_PARM2);
1227                 else
1228                         bitcount = 1;
1229         }
1230         else
1231         {
1232                 firstbit = 0;
1233                 bitcount = 32;
1234         }
1235
1236         if(index < 0 || index >= MAX_CL_STATS)
1237         {
1238                 VM_Warning(prog, "VM_CL_getstati: index>=MAX_CL_STATS or index<0\n");
1239                 return;
1240         }
1241         i = cl.stats[index];
1242         if (bitcount != 32)     //32 causes the mask to overflow, so there's nothing to subtract from.
1243                 i = (((unsigned int)i)&(((1<<bitcount)-1)<<firstbit))>>firstbit;
1244         PRVM_G_FLOAT(OFS_RETURN) = i;
1245 }
1246
1247 //#332 string(float firststnum) getstats (EXT_CSQC)
1248 static void VM_CL_getstats (prvm_prog_t *prog)
1249 {
1250         int i;
1251         char t[17];
1252         VM_SAFEPARMCOUNT(1, VM_CL_getstats);
1253         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1254         if(i < 0 || i > MAX_CL_STATS-4)
1255         {
1256                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1257                 VM_Warning(prog, "VM_CL_getstats: index>MAX_CL_STATS-4 or index<0\n");
1258                 return;
1259         }
1260         strlcpy(t, (char*)&cl.stats[i], sizeof(t));
1261         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1262 }
1263
1264 //#333 void(entity e, float mdlindex) setmodelindex (EXT_CSQC)
1265 static void VM_CL_setmodelindex (prvm_prog_t *prog)
1266 {
1267         int                             i;
1268         prvm_edict_t    *t;
1269         struct model_s  *model;
1270
1271         VM_SAFEPARMCOUNT(2, VM_CL_setmodelindex);
1272
1273         t = PRVM_G_EDICT(OFS_PARM0);
1274
1275         i = (int)PRVM_G_FLOAT(OFS_PARM1);
1276
1277         PRVM_clientedictstring(t, model) = 0;
1278         PRVM_clientedictfloat(t, modelindex) = 0;
1279
1280         if (!i)
1281                 return;
1282
1283         model = CL_GetModelByIndex(i);
1284         if (!model)
1285         {
1286                 VM_Warning(prog, "VM_CL_setmodelindex: null model\n");
1287                 return;
1288         }
1289         PRVM_clientedictstring(t, model) = PRVM_SetEngineString(prog, model->name);
1290         PRVM_clientedictfloat(t, modelindex) = i;
1291
1292         // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
1293         if (model)
1294         {
1295                 SetMinMaxSize (prog, t, model->normalmins, model->normalmaxs);
1296         }
1297         else
1298                 SetMinMaxSize (prog, t, vec3_origin, vec3_origin);
1299 }
1300
1301 //#334 string(float mdlindex) modelnameforindex (EXT_CSQC)
1302 static void VM_CL_modelnameforindex (prvm_prog_t *prog)
1303 {
1304         dp_model_t *model;
1305
1306         VM_SAFEPARMCOUNT(1, VM_CL_modelnameforindex);
1307
1308         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1309         model = CL_GetModelByIndex((int)PRVM_G_FLOAT(OFS_PARM0));
1310         PRVM_G_INT(OFS_RETURN) = model ? PRVM_SetEngineString(prog, model->name) : 0;
1311 }
1312
1313 //#335 float(string effectname) particleeffectnum (EXT_CSQC)
1314 static void VM_CL_particleeffectnum (prvm_prog_t *prog)
1315 {
1316         int                     i;
1317         VM_SAFEPARMCOUNT(1, VM_CL_particleeffectnum);
1318         i = CL_ParticleEffectIndexForName(PRVM_G_STRING(OFS_PARM0));
1319         if (i == 0)
1320                 i = -1;
1321         PRVM_G_FLOAT(OFS_RETURN) = i;
1322 }
1323
1324 // #336 void(entity ent, float effectnum, vector start, vector end[, float color]) trailparticles (EXT_CSQC)
1325 static void VM_CL_trailparticles (prvm_prog_t *prog)
1326 {
1327         int                             i;
1328         vec3_t                  start, end, velocity;
1329         prvm_edict_t    *t;
1330         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_trailparticles);
1331
1332         t = PRVM_G_EDICT(OFS_PARM0);
1333         i               = (int)PRVM_G_FLOAT(OFS_PARM1);
1334         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), start);
1335         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), end);
1336         VectorCopy(PRVM_clientedictvector(t, velocity), velocity);
1337
1338         if (i < 0)
1339                 return;
1340         CL_ParticleEffect(i, 1, start, end, velocity, velocity, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1341 }
1342
1343 //#337 void(float effectnum, vector origin, vector dir, float count[, float color]) pointparticles (EXT_CSQC)
1344 static void VM_CL_pointparticles (prvm_prog_t *prog)
1345 {
1346         int                     i;
1347         float n;
1348         vec3_t f, v;
1349         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_pointparticles);
1350         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1351         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f);
1352         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), v);
1353         n = PRVM_G_FLOAT(OFS_PARM3);
1354         if (i < 0)
1355                 return;
1356         CL_ParticleEffect(i, n, f, f, v, v, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1357 }
1358
1359 //#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)
1360 static void VM_CL_boxparticles (prvm_prog_t *prog)
1361 {
1362         int effectnum;
1363         // prvm_edict_t *own;
1364         vec3_t origin_from, origin_to, dir_from, dir_to;
1365         float count;
1366         int flags;
1367         float tintmins[4], tintmaxs[4];
1368         VM_SAFEPARMCOUNTRANGE(7, 8, VM_CL_boxparticles);
1369
1370         effectnum = (int)PRVM_G_FLOAT(OFS_PARM0);
1371         // own = PRVM_G_EDICT(OFS_PARM1); // TODO find use for this
1372         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), origin_from);
1373         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), origin_to  );
1374         VectorCopy(PRVM_G_VECTOR(OFS_PARM4), dir_from   );
1375         VectorCopy(PRVM_G_VECTOR(OFS_PARM5), dir_to     );
1376         count = PRVM_G_FLOAT(OFS_PARM6);
1377         if(prog->argc >= 8)
1378                 flags = PRVM_G_FLOAT(OFS_PARM7);
1379         else
1380                 flags = 0;
1381         Vector4Set(tintmins, 1, 1, 1, 1);
1382         Vector4Set(tintmaxs, 1, 1, 1, 1);
1383         if(flags & 1) // read alpha
1384         {
1385                 tintmins[3] = PRVM_clientglobalfloat(particles_alphamin);
1386                 tintmaxs[3] = PRVM_clientglobalfloat(particles_alphamax);
1387         }
1388         if(flags & 2) // read color
1389         {
1390                 VectorCopy(PRVM_clientglobalvector(particles_colormin), tintmins);
1391                 VectorCopy(PRVM_clientglobalvector(particles_colormax), tintmaxs);
1392         }
1393         if (effectnum < 0)
1394                 return;
1395         CL_ParticleTrail(effectnum, count, origin_from, origin_to, dir_from, dir_to, NULL, 0, true, true, tintmins, tintmaxs);
1396 }
1397
1398 //#531 void(float pause) setpause
1399 static void VM_CL_setpause(prvm_prog_t *prog)
1400 {
1401         VM_SAFEPARMCOUNT(1, VM_CL_setpause);
1402         if ((int)PRVM_G_FLOAT(OFS_PARM0) != 0)
1403                 cl.csqc_paused = true;
1404         else
1405                 cl.csqc_paused = false;
1406 }
1407
1408 //#343 void(float usecursor) setcursormode (DP_CSQC)
1409 static void VM_CL_setcursormode (prvm_prog_t *prog)
1410 {
1411         VM_SAFEPARMCOUNT(1, VM_CL_setcursormode);
1412         cl.csqc_wantsmousemove = PRVM_G_FLOAT(OFS_PARM0) != 0;
1413         cl_ignoremousemoves = 2;
1414 }
1415
1416 //#344 vector() getmousepos (DP_CSQC)
1417 static void VM_CL_getmousepos(prvm_prog_t *prog)
1418 {
1419         VM_SAFEPARMCOUNT(0,VM_CL_getmousepos);
1420
1421         if (key_consoleactive || key_dest != key_game)
1422                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), 0, 0, 0);
1423         else if (cl.csqc_wantsmousemove)
1424                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_windowmouse_x * vid_conwidth.integer / vid.width, in_windowmouse_y * vid_conheight.integer / vid.height, 0);
1425         else
1426                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_mouse_x * vid_conwidth.integer / vid.width, in_mouse_y * vid_conheight.integer / vid.height, 0);
1427 }
1428
1429 //#345 float(float framenum) getinputstate (EXT_CSQC)
1430 static void VM_CL_getinputstate (prvm_prog_t *prog)
1431 {
1432         int i, frame;
1433         VM_SAFEPARMCOUNT(1, VM_CL_getinputstate);
1434         frame = (int)PRVM_G_FLOAT(OFS_PARM0);
1435         PRVM_G_FLOAT(OFS_RETURN) = false;
1436         for (i = 0;i < CL_MAX_USERCMDS;i++)
1437         {
1438                 if (cl.movecmd[i].sequence == frame)
1439                 {
1440                         VectorCopy(cl.movecmd[i].viewangles, PRVM_clientglobalvector(input_angles));
1441                         PRVM_clientglobalfloat(input_buttons) = cl.movecmd[i].buttons; // FIXME: this should not be directly exposed to csqc (translation layer needed?)
1442                         PRVM_clientglobalvector(input_movevalues)[0] = cl.movecmd[i].forwardmove;
1443                         PRVM_clientglobalvector(input_movevalues)[1] = cl.movecmd[i].sidemove;
1444                         PRVM_clientglobalvector(input_movevalues)[2] = cl.movecmd[i].upmove;
1445                         PRVM_clientglobalfloat(input_timelength) = cl.movecmd[i].frametime;
1446                         // this probably shouldn't be here
1447                         if(cl.movecmd[i].crouch)
1448                         {
1449                                 VectorCopy(cl.playercrouchmins, PRVM_clientglobalvector(pmove_mins));
1450                                 VectorCopy(cl.playercrouchmaxs, PRVM_clientglobalvector(pmove_maxs));
1451                         }
1452                         else
1453                         {
1454                                 VectorCopy(cl.playerstandmins, PRVM_clientglobalvector(pmove_mins));
1455                                 VectorCopy(cl.playerstandmaxs, PRVM_clientglobalvector(pmove_maxs));
1456                         }
1457                         PRVM_G_FLOAT(OFS_RETURN) = true;
1458                 }
1459         }
1460 }
1461
1462 //#346 void(float sens) setsensitivityscaler (EXT_CSQC)
1463 static void VM_CL_setsensitivityscale (prvm_prog_t *prog)
1464 {
1465         VM_SAFEPARMCOUNT(1, VM_CL_setsensitivityscale);
1466         cl.sensitivityscale = PRVM_G_FLOAT(OFS_PARM0);
1467 }
1468
1469 //#347 void() runstandardplayerphysics (EXT_CSQC)
1470 #define PMF_JUMP_HELD 1 // matches FTEQW
1471 #define PMF_LADDER 2 // not used by DP, FTEQW sets this in runplayerphysics but does not read it
1472 #define PMF_DUCKED 4 // FIXME FTEQW doesn't have this for Q1 like movement because Q1 cannot crouch
1473 #define PMF_ONGROUND 8 // FIXME FTEQW doesn't have this for Q1 like movement and expects CSQC code to do its own trace, this is stupid CPU waste
1474 static void VM_CL_runplayerphysics (prvm_prog_t *prog)
1475 {
1476         cl_clientmovement_state_t s;
1477         prvm_edict_t *ent;
1478
1479         memset(&s, 0, sizeof(s));
1480
1481         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_runplayerphysics);
1482
1483         ent = (prog->argc == 1 ? PRVM_G_EDICT(OFS_PARM0) : prog->edicts);
1484         if(ent == prog->edicts)
1485         {
1486                 // deprecated use
1487                 s.self = NULL;
1488                 VectorCopy(PRVM_clientglobalvector(pmove_org), s.origin);
1489                 VectorCopy(PRVM_clientglobalvector(pmove_vel), s.velocity);
1490                 VectorCopy(PRVM_clientglobalvector(pmove_mins), s.mins);
1491                 VectorCopy(PRVM_clientglobalvector(pmove_maxs), s.maxs);
1492                 s.crouched = 0;
1493                 s.waterjumptime = PRVM_clientglobalfloat(pmove_waterjumptime);
1494                 s.cmd.canjump = (int)PRVM_clientglobalfloat(pmove_jump_held) == 0;
1495         }
1496         else
1497         {
1498                 // new use
1499                 s.self = ent;
1500                 VectorCopy(PRVM_clientedictvector(ent, origin), s.origin);
1501                 VectorCopy(PRVM_clientedictvector(ent, velocity), s.velocity);
1502                 VectorCopy(PRVM_clientedictvector(ent, mins), s.mins);
1503                 VectorCopy(PRVM_clientedictvector(ent, maxs), s.maxs);
1504                 s.crouched = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_DUCKED) != 0;
1505                 s.waterjumptime = 0; // FIXME where do we get this from? FTEQW lacks support for this too
1506                 s.cmd.canjump = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_JUMP_HELD) == 0;
1507         }
1508
1509         VectorCopy(PRVM_clientglobalvector(input_angles), s.cmd.viewangles);
1510         s.cmd.forwardmove = PRVM_clientglobalvector(input_movevalues)[0];
1511         s.cmd.sidemove = PRVM_clientglobalvector(input_movevalues)[1];
1512         s.cmd.upmove = PRVM_clientglobalvector(input_movevalues)[2];
1513         s.cmd.buttons = PRVM_clientglobalfloat(input_buttons);
1514         s.cmd.frametime = PRVM_clientglobalfloat(input_timelength);
1515         s.cmd.jump = (s.cmd.buttons & 2) != 0;
1516         s.cmd.crouch = (s.cmd.buttons & 16) != 0;
1517
1518         CL_ClientMovement_PlayerMove_Frame(&s);
1519
1520         if(ent == prog->edicts)
1521         {
1522                 // deprecated use
1523                 VectorCopy(s.origin, PRVM_clientglobalvector(pmove_org));
1524                 VectorCopy(s.velocity, PRVM_clientglobalvector(pmove_vel));
1525                 PRVM_clientglobalfloat(pmove_jump_held) = !s.cmd.canjump;
1526                 PRVM_clientglobalfloat(pmove_waterjumptime) = s.waterjumptime;
1527         }
1528         else
1529         {
1530                 // new use
1531                 VectorCopy(s.origin, PRVM_clientedictvector(ent, origin));
1532                 VectorCopy(s.velocity, PRVM_clientedictvector(ent, velocity));
1533                 PRVM_clientedictfloat(ent, pmove_flags) =
1534                         (s.crouched ? PMF_DUCKED : 0) |
1535                         (s.cmd.canjump ? 0 : PMF_JUMP_HELD) |
1536                         (s.onground ? PMF_ONGROUND : 0);
1537         }
1538 }
1539
1540 //#348 string(float playernum, string keyname) getplayerkeyvalue (EXT_CSQC)
1541 static void VM_CL_getplayerkey (prvm_prog_t *prog)
1542 {
1543         int                     i;
1544         char            t[128];
1545         const char      *c;
1546
1547         VM_SAFEPARMCOUNT(2, VM_CL_getplayerkey);
1548
1549         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1550         c = PRVM_G_STRING(OFS_PARM1);
1551         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1552         Sbar_SortFrags();
1553
1554         if (i < 0)
1555                 i = Sbar_GetSortedPlayerIndex(-1-i);
1556         if(i < 0 || i >= cl.maxclients)
1557                 return;
1558
1559         t[0] = 0;
1560
1561         if(!strcasecmp(c, "name"))
1562                 strlcpy(t, cl.scores[i].name, sizeof(t));
1563         else
1564                 if(!strcasecmp(c, "frags"))
1565                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].frags);
1566         else
1567                 if(!strcasecmp(c, "ping"))
1568                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_ping);
1569         else
1570                 if(!strcasecmp(c, "pl"))
1571                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_packetloss);
1572         else
1573                 if(!strcasecmp(c, "movementloss"))
1574                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_movementloss);
1575         else
1576                 if(!strcasecmp(c, "entertime"))
1577                         dpsnprintf(t, sizeof(t), "%f", cl.scores[i].qw_entertime);
1578         else
1579                 if(!strcasecmp(c, "colors"))
1580                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors);
1581         else
1582                 if(!strcasecmp(c, "topcolor"))
1583                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors & 0xf0);
1584         else
1585                 if(!strcasecmp(c, "bottomcolor"))
1586                         dpsnprintf(t, sizeof(t), "%i", (cl.scores[i].colors &15)<<4);
1587         else
1588                 if(!strcasecmp(c, "viewentity"))
1589                         dpsnprintf(t, sizeof(t), "%i", i+1);
1590         else
1591                 if(gamemode == GAME_XONOTIC && !strcasecmp(c, "TEMPHACK_origin"))
1592                 {
1593                         // PLEASE REMOVE THIS once deltalisten() of EXT_CSQC_1
1594                         // is implemented, or Xonotic uses CSQC-networked
1595                         // players, whichever comes first
1596                         entity_t *e = cl.entities + (i+1);
1597                         if(e->state_current.active)
1598                         {
1599                                 vec3_t origin;
1600                                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1601                                 dpsnprintf(t, sizeof(t), VECTOR_LOSSLESS_FORMAT, origin[0], origin[1], origin[2]);
1602                         }
1603                 }
1604         if(!t[0])
1605                 return;
1606         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1607 }
1608
1609 //#351 void(vector origin, vector forward, vector right, vector up) SetListener (EXT_CSQC)
1610 static void VM_CL_setlistener (prvm_prog_t *prog)
1611 {
1612         vec3_t origin, forward, left, up;
1613         VM_SAFEPARMCOUNT(4, VM_CL_setlistener);
1614         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), origin);
1615         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), forward);
1616         VectorNegate(PRVM_G_VECTOR(OFS_PARM2), left);
1617         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), up);
1618         Matrix4x4_FromVectors(&cl.csqc_listenermatrix, forward, left, up, origin);
1619         cl.csqc_usecsqclistener = true; //use csqc listener at this frame
1620 }
1621
1622 //#352 void(string cmdname) registercommand (EXT_CSQC)
1623 static void VM_CL_registercmd (prvm_prog_t *prog)
1624 {
1625         char *t;
1626         VM_SAFEPARMCOUNT(1, VM_CL_registercmd);
1627         if(!Cmd_Exists(PRVM_G_STRING(OFS_PARM0)))
1628         {
1629                 size_t alloclen;
1630
1631                 alloclen = strlen(PRVM_G_STRING(OFS_PARM0)) + 1;
1632                 t = (char *)Z_Malloc(alloclen);
1633                 memcpy(t, PRVM_G_STRING(OFS_PARM0), alloclen);
1634                 Cmd_AddCommand(t, NULL, "console command created by QuakeC");
1635         }
1636         else
1637                 Cmd_AddCommand(PRVM_G_STRING(OFS_PARM0), NULL, "console command created by QuakeC");
1638
1639 }
1640
1641 //#360 float() readbyte (EXT_CSQC)
1642 static void VM_CL_ReadByte (prvm_prog_t *prog)
1643 {
1644         VM_SAFEPARMCOUNT(0, VM_CL_ReadByte);
1645         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadByte(&cl_message);
1646 }
1647
1648 //#361 float() readchar (EXT_CSQC)
1649 static void VM_CL_ReadChar (prvm_prog_t *prog)
1650 {
1651         VM_SAFEPARMCOUNT(0, VM_CL_ReadChar);
1652         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadChar(&cl_message);
1653 }
1654
1655 //#362 float() readshort (EXT_CSQC)
1656 static void VM_CL_ReadShort (prvm_prog_t *prog)
1657 {
1658         VM_SAFEPARMCOUNT(0, VM_CL_ReadShort);
1659         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadShort(&cl_message);
1660 }
1661
1662 //#363 float() readlong (EXT_CSQC)
1663 static void VM_CL_ReadLong (prvm_prog_t *prog)
1664 {
1665         VM_SAFEPARMCOUNT(0, VM_CL_ReadLong);
1666         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadLong(&cl_message);
1667 }
1668
1669 //#364 float() readcoord (EXT_CSQC)
1670 static void VM_CL_ReadCoord (prvm_prog_t *prog)
1671 {
1672         VM_SAFEPARMCOUNT(0, VM_CL_ReadCoord);
1673         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadCoord(&cl_message, cls.protocol);
1674 }
1675
1676 //#365 float() readangle (EXT_CSQC)
1677 static void VM_CL_ReadAngle (prvm_prog_t *prog)
1678 {
1679         VM_SAFEPARMCOUNT(0, VM_CL_ReadAngle);
1680         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadAngle(&cl_message, cls.protocol);
1681 }
1682
1683 //#366 string() readstring (EXT_CSQC)
1684 static void VM_CL_ReadString (prvm_prog_t *prog)
1685 {
1686         VM_SAFEPARMCOUNT(0, VM_CL_ReadString);
1687         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring)));
1688 }
1689
1690 //#367 float() readfloat (EXT_CSQC)
1691 static void VM_CL_ReadFloat (prvm_prog_t *prog)
1692 {
1693         VM_SAFEPARMCOUNT(0, VM_CL_ReadFloat);
1694         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadFloat(&cl_message);
1695 }
1696
1697 //#501 string() readpicture (DP_CSQC_READWRITEPICTURE)
1698 extern cvar_t cl_readpicture_force;
1699 static void VM_CL_ReadPicture (prvm_prog_t *prog)
1700 {
1701         const char *name;
1702         unsigned char *data;
1703         unsigned char *buf;
1704         unsigned short size;
1705         int i;
1706         cachepic_t *pic;
1707
1708         VM_SAFEPARMCOUNT(0, VM_CL_ReadPicture);
1709
1710         name = MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring));
1711         size = (unsigned short) MSG_ReadShort(&cl_message);
1712
1713         // check if a texture of that name exists
1714         // if yes, it is used and the data is discarded
1715         // if not, the (low quality) data is used to build a new texture, whose name will get returned
1716
1717         pic = Draw_CachePic_Flags (name, CACHEPICFLAG_NOTPERSISTENT);
1718
1719         if(size)
1720         {
1721                 if(pic->tex == r_texture_notexture)
1722                         pic->tex = NULL; // don't overwrite the notexture by Draw_NewPic
1723                 if(pic->tex && !cl_readpicture_force.integer)
1724                 {
1725                         // texture found and loaded
1726                         // skip over the jpeg as we don't need it
1727                         for(i = 0; i < size; ++i)
1728                                 (void) MSG_ReadByte(&cl_message);
1729                 }
1730                 else
1731                 {
1732                         // texture not found
1733                         // use the attached jpeg as texture
1734                         buf = (unsigned char *) Mem_Alloc(tempmempool, size);
1735                         MSG_ReadBytes(&cl_message, size, buf);
1736                         data = JPEG_LoadImage_BGRA(buf, size, NULL);
1737                         Mem_Free(buf);
1738                         Draw_NewPic(name, image_width, image_height, false, data);
1739                         Mem_Free(data);
1740                 }
1741         }
1742
1743         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, name);
1744 }
1745
1746 //////////////////////////////////////////////////////////
1747
1748 static void VM_CL_makestatic (prvm_prog_t *prog)
1749 {
1750         prvm_edict_t *ent;
1751
1752         VM_SAFEPARMCOUNT(1, VM_CL_makestatic);
1753
1754         ent = PRVM_G_EDICT(OFS_PARM0);
1755         if (ent == prog->edicts)
1756         {
1757                 VM_Warning(prog, "makestatic: can not modify world entity\n");
1758                 return;
1759         }
1760         if (ent->priv.server->free)
1761         {
1762                 VM_Warning(prog, "makestatic: can not modify free entity\n");
1763                 return;
1764         }
1765
1766         if (cl.num_static_entities < cl.max_static_entities)
1767         {
1768                 int renderflags;
1769                 entity_t *staticent = &cl.static_entities[cl.num_static_entities++];
1770
1771                 // copy it to the current state
1772                 memset(staticent, 0, sizeof(*staticent));
1773                 staticent->render.model = CL_GetModelByIndex((int)PRVM_clientedictfloat(ent, modelindex));
1774                 staticent->render.framegroupblend[0].frame = (int)PRVM_clientedictfloat(ent, frame);
1775                 staticent->render.framegroupblend[0].lerp = 1;
1776                 // make torchs play out of sync
1777                 staticent->render.framegroupblend[0].start = lhrandom(-10, -1);
1778                 staticent->render.skinnum = (int)PRVM_clientedictfloat(ent, skin);
1779                 staticent->render.effects = (int)PRVM_clientedictfloat(ent, effects);
1780                 staticent->render.alpha = PRVM_clientedictfloat(ent, alpha);
1781                 staticent->render.scale = PRVM_clientedictfloat(ent, scale);
1782                 VectorCopy(PRVM_clientedictvector(ent, colormod), staticent->render.colormod);
1783                 VectorCopy(PRVM_clientedictvector(ent, glowmod), staticent->render.glowmod);
1784
1785                 // sanitize values
1786                 if (!staticent->render.alpha)
1787                         staticent->render.alpha = 1.0f;
1788                 if (!staticent->render.scale)
1789                         staticent->render.scale = 1.0f;
1790                 if (!VectorLength2(staticent->render.colormod))
1791                         VectorSet(staticent->render.colormod, 1, 1, 1);
1792                 if (!VectorLength2(staticent->render.glowmod))
1793                         VectorSet(staticent->render.glowmod, 1, 1, 1);
1794
1795                 renderflags = (int)PRVM_clientedictfloat(ent, renderflags);
1796                 if (renderflags & RF_USEAXIS)
1797                 {
1798                         vec3_t forward, left, up, origin;
1799                         VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1800                         VectorNegate(PRVM_clientglobalvector(v_right), left);
1801                         VectorCopy(PRVM_clientglobalvector(v_up), up);
1802                         VectorCopy(PRVM_clientedictvector(ent, origin), origin);
1803                         Matrix4x4_FromVectors(&staticent->render.matrix, forward, left, up, origin);
1804                         Matrix4x4_Scale(&staticent->render.matrix, staticent->render.scale, 1);
1805                 }
1806                 else
1807                         Matrix4x4_CreateFromQuakeEntity(&staticent->render.matrix, PRVM_clientedictvector(ent, origin)[0], PRVM_clientedictvector(ent, origin)[1], PRVM_clientedictvector(ent, origin)[2], PRVM_clientedictvector(ent, angles)[0], PRVM_clientedictvector(ent, angles)[1], PRVM_clientedictvector(ent, angles)[2], staticent->render.scale);
1808
1809                 // either fullbright or lit
1810                 if(!r_fullbright.integer)
1811                 {
1812                         if (!(staticent->render.effects & EF_FULLBRIGHT))
1813                                 staticent->render.flags |= RENDER_LIGHT;
1814                         else if(r_equalize_entities_fullbright.integer)
1815                                 staticent->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1816                 }
1817                 // turn off shadows from transparent objects
1818                 if (!(staticent->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (staticent->render.alpha >= 1))
1819                         staticent->render.flags |= RENDER_SHADOW;
1820                 if (staticent->render.effects & EF_NODEPTHTEST)
1821                         staticent->render.flags |= RENDER_NODEPTHTEST;
1822                 if (staticent->render.effects & EF_ADDITIVE)
1823                         staticent->render.flags |= RENDER_ADDITIVE;
1824                 if (staticent->render.effects & EF_DOUBLESIDED)
1825                         staticent->render.flags |= RENDER_DOUBLESIDED;
1826
1827                 staticent->render.allowdecals = true;
1828                 CL_UpdateRenderEntity(&staticent->render);
1829         }
1830         else
1831                 Con_Printf("Too many static entities");
1832
1833 // throw the entity away now
1834         PRVM_ED_Free(prog, ent);
1835 }
1836
1837 //=================================================================//
1838
1839 /*
1840 =================
1841 VM_CL_copyentity
1842
1843 copies data from one entity to another
1844
1845 copyentity(src, dst)
1846 =================
1847 */
1848 static void VM_CL_copyentity (prvm_prog_t *prog)
1849 {
1850         prvm_edict_t *in, *out;
1851         VM_SAFEPARMCOUNT(2, VM_CL_copyentity);
1852         in = PRVM_G_EDICT(OFS_PARM0);
1853         if (in == prog->edicts)
1854         {
1855                 VM_Warning(prog, "copyentity: can not read world entity\n");
1856                 return;
1857         }
1858         if (in->priv.server->free)
1859         {
1860                 VM_Warning(prog, "copyentity: can not read free entity\n");
1861                 return;
1862         }
1863         out = PRVM_G_EDICT(OFS_PARM1);
1864         if (out == prog->edicts)
1865         {
1866                 VM_Warning(prog, "copyentity: can not modify world entity\n");
1867                 return;
1868         }
1869         if (out->priv.server->free)
1870         {
1871                 VM_Warning(prog, "copyentity: can not modify free entity\n");
1872                 return;
1873         }
1874         memcpy(out->fields.fp, in->fields.fp, prog->entityfields * sizeof(prvm_vec_t));
1875         CL_LinkEdict(out);
1876 }
1877
1878 //=================================================================//
1879
1880 // #404 void(vector org, string modelname, float startframe, float endframe, float framerate) effect (DP_SV_EFFECT)
1881 static void VM_CL_effect (prvm_prog_t *prog)
1882 {
1883 #if 1
1884         Con_Printf("WARNING: VM_CL_effect not implemented\n"); // FIXME: this needs to take modelname not modelindex, the csqc defs has it as string and so it shall be
1885 #else
1886         vec3_t org;
1887         VM_SAFEPARMCOUNT(5, VM_CL_effect);
1888         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
1889         CL_Effect(org, (int)PRVM_G_FLOAT(OFS_PARM1), (int)PRVM_G_FLOAT(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), PRVM_G_FLOAT(OFS_PARM4));
1890 #endif
1891 }
1892
1893 // #405 void(vector org, vector velocity, float howmany) te_blood (DP_TE_BLOOD)
1894 static void VM_CL_te_blood (prvm_prog_t *prog)
1895 {
1896         vec3_t pos, vel, pos2;
1897         VM_SAFEPARMCOUNT(3, VM_CL_te_blood);
1898         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1899                 return;
1900         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1901         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
1902         CL_FindNonSolidLocation(pos, pos2, 4);
1903         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
1904 }
1905
1906 // #406 void(vector mincorner, vector maxcorner, float explosionspeed, float howmany) te_bloodshower (DP_TE_BLOODSHOWER)
1907 static void VM_CL_te_bloodshower (prvm_prog_t *prog)
1908 {
1909         vec_t speed;
1910         vec3_t mincorner, maxcorner, vel1, vel2;
1911         VM_SAFEPARMCOUNT(4, VM_CL_te_bloodshower);
1912         if (PRVM_G_FLOAT(OFS_PARM3) < 1)
1913                 return;
1914         speed = PRVM_G_FLOAT(OFS_PARM2);
1915         vel1[0] = -speed;
1916         vel1[1] = -speed;
1917         vel1[2] = -speed;
1918         vel2[0] = speed;
1919         vel2[1] = speed;
1920         vel2[2] = speed;
1921         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1922         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1923         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM3), mincorner, maxcorner, vel1, vel2, NULL, 0);
1924 }
1925
1926 // #407 void(vector org, vector color) te_explosionrgb (DP_TE_EXPLOSIONRGB)
1927 static void VM_CL_te_explosionrgb (prvm_prog_t *prog)
1928 {
1929         vec3_t          pos;
1930         vec3_t          pos2;
1931         matrix4x4_t     tempmatrix;
1932         VM_SAFEPARMCOUNT(2, VM_CL_te_explosionrgb);
1933         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1934         CL_FindNonSolidLocation(pos, pos2, 10);
1935         CL_ParticleExplosion(pos2);
1936         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1937         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);
1938 }
1939
1940 // #408 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color, float gravityflag, float randomveljitter) te_particlecube (DP_TE_PARTICLECUBE)
1941 static void VM_CL_te_particlecube (prvm_prog_t *prog)
1942 {
1943         vec3_t mincorner, maxcorner, vel;
1944         VM_SAFEPARMCOUNT(7, VM_CL_te_particlecube);
1945         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1946         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1947         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1948         CL_ParticleCube(mincorner, maxcorner, vel, (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), PRVM_G_FLOAT(OFS_PARM5), PRVM_G_FLOAT(OFS_PARM6));
1949 }
1950
1951 // #409 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlerain (DP_TE_PARTICLERAIN)
1952 static void VM_CL_te_particlerain (prvm_prog_t *prog)
1953 {
1954         vec3_t mincorner, maxcorner, vel;
1955         VM_SAFEPARMCOUNT(5, VM_CL_te_particlerain);
1956         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1957         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1958         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1959         CL_ParticleRain(mincorner, maxcorner, vel, (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 0);
1960 }
1961
1962 // #410 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlesnow (DP_TE_PARTICLESNOW)
1963 static void VM_CL_te_particlesnow (prvm_prog_t *prog)
1964 {
1965         vec3_t mincorner, maxcorner, vel;
1966         VM_SAFEPARMCOUNT(5, VM_CL_te_particlesnow);
1967         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1968         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1969         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1970         CL_ParticleRain(mincorner, maxcorner, vel, (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 1);
1971 }
1972
1973 // #411 void(vector org, vector vel, float howmany) te_spark
1974 static void VM_CL_te_spark (prvm_prog_t *prog)
1975 {
1976         vec3_t pos, pos2, vel;
1977         VM_SAFEPARMCOUNT(3, VM_CL_te_spark);
1978
1979         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1980         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
1981         CL_FindNonSolidLocation(pos, pos2, 4);
1982         CL_ParticleEffect(EFFECT_TE_SPARK, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
1983 }
1984
1985 extern cvar_t cl_sound_ric_gunshot;
1986 // #412 void(vector org) te_gunshotquad (DP_QUADEFFECTS1)
1987 static void VM_CL_te_gunshotquad (prvm_prog_t *prog)
1988 {
1989         vec3_t          pos, pos2;
1990         int                     rnd;
1991         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshotquad);
1992
1993         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1994         CL_FindNonSolidLocation(pos, pos2, 4);
1995         CL_ParticleEffect(EFFECT_TE_GUNSHOTQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1996         if(cl_sound_ric_gunshot.integer >= 2)
1997         {
1998                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1999                 else
2000                 {
2001                         rnd = rand() & 3;
2002                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2003                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2004                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2005                 }
2006         }
2007 }
2008
2009 // #413 void(vector org) te_spikequad (DP_QUADEFFECTS1)
2010 static void VM_CL_te_spikequad (prvm_prog_t *prog)
2011 {
2012         vec3_t          pos, pos2;
2013         int                     rnd;
2014         VM_SAFEPARMCOUNT(1, VM_CL_te_spikequad);
2015
2016         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2017         CL_FindNonSolidLocation(pos, pos2, 4);
2018         CL_ParticleEffect(EFFECT_TE_SPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2019         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2020         else
2021         {
2022                 rnd = rand() & 3;
2023                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2024                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2025                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2026         }
2027 }
2028
2029 // #414 void(vector org) te_superspikequad (DP_QUADEFFECTS1)
2030 static void VM_CL_te_superspikequad (prvm_prog_t *prog)
2031 {
2032         vec3_t          pos, pos2;
2033         int                     rnd;
2034         VM_SAFEPARMCOUNT(1, VM_CL_te_superspikequad);
2035
2036         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2037         CL_FindNonSolidLocation(pos, pos2, 4);
2038         CL_ParticleEffect(EFFECT_TE_SUPERSPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2039         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos, 1, 1);
2040         else
2041         {
2042                 rnd = rand() & 3;
2043                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2044                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2045                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2046         }
2047 }
2048
2049 // #415 void(vector org) te_explosionquad (DP_QUADEFFECTS1)
2050 static void VM_CL_te_explosionquad (prvm_prog_t *prog)
2051 {
2052         vec3_t          pos, pos2;
2053         VM_SAFEPARMCOUNT(1, VM_CL_te_explosionquad);
2054
2055         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2056         CL_FindNonSolidLocation(pos, pos2, 10);
2057         CL_ParticleEffect(EFFECT_TE_EXPLOSIONQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2058         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2059 }
2060
2061 // #416 void(vector org) te_smallflash (DP_TE_SMALLFLASH)
2062 static void VM_CL_te_smallflash (prvm_prog_t *prog)
2063 {
2064         vec3_t          pos, pos2;
2065         VM_SAFEPARMCOUNT(1, VM_CL_te_smallflash);
2066
2067         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2068         CL_FindNonSolidLocation(pos, pos2, 10);
2069         CL_ParticleEffect(EFFECT_TE_SMALLFLASH, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2070 }
2071
2072 // #417 void(vector org, float radius, float lifetime, vector color) te_customflash (DP_TE_CUSTOMFLASH)
2073 static void VM_CL_te_customflash (prvm_prog_t *prog)
2074 {
2075         vec3_t          pos, pos2;
2076         matrix4x4_t     tempmatrix;
2077         VM_SAFEPARMCOUNT(4, VM_CL_te_customflash);
2078
2079         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2080         CL_FindNonSolidLocation(pos, pos2, 4);
2081         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2082         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);
2083 }
2084
2085 // #418 void(vector org) te_gunshot (DP_TE_STANDARDEFFECTBUILTINS)
2086 static void VM_CL_te_gunshot (prvm_prog_t *prog)
2087 {
2088         vec3_t          pos, pos2;
2089         int                     rnd;
2090         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshot);
2091
2092         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2093         CL_FindNonSolidLocation(pos, pos2, 4);
2094         CL_ParticleEffect(EFFECT_TE_GUNSHOT, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2095         if(cl_sound_ric_gunshot.integer == 1 || cl_sound_ric_gunshot.integer == 3)
2096         {
2097                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2098                 else
2099                 {
2100                         rnd = rand() & 3;
2101                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2102                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2103                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2104                 }
2105         }
2106 }
2107
2108 // #419 void(vector org) te_spike (DP_TE_STANDARDEFFECTBUILTINS)
2109 static void VM_CL_te_spike (prvm_prog_t *prog)
2110 {
2111         vec3_t          pos, pos2;
2112         int                     rnd;
2113         VM_SAFEPARMCOUNT(1, VM_CL_te_spike);
2114
2115         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2116         CL_FindNonSolidLocation(pos, pos2, 4);
2117         CL_ParticleEffect(EFFECT_TE_SPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2118         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2119         else
2120         {
2121                 rnd = rand() & 3;
2122                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2123                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2124                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2125         }
2126 }
2127
2128 // #420 void(vector org) te_superspike (DP_TE_STANDARDEFFECTBUILTINS)
2129 static void VM_CL_te_superspike (prvm_prog_t *prog)
2130 {
2131         vec3_t          pos, pos2;
2132         int                     rnd;
2133         VM_SAFEPARMCOUNT(1, VM_CL_te_superspike);
2134
2135         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2136         CL_FindNonSolidLocation(pos, pos2, 4);
2137         CL_ParticleEffect(EFFECT_TE_SUPERSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2138         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2139         else
2140         {
2141                 rnd = rand() & 3;
2142                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2143                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2144                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2145         }
2146 }
2147
2148 // #421 void(vector org) te_explosion (DP_TE_STANDARDEFFECTBUILTINS)
2149 static void VM_CL_te_explosion (prvm_prog_t *prog)
2150 {
2151         vec3_t          pos, pos2;
2152         VM_SAFEPARMCOUNT(1, VM_CL_te_explosion);
2153
2154         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2155         CL_FindNonSolidLocation(pos, pos2, 10);
2156         CL_ParticleEffect(EFFECT_TE_EXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2157         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2158 }
2159
2160 // #422 void(vector org) te_tarexplosion (DP_TE_STANDARDEFFECTBUILTINS)
2161 static void VM_CL_te_tarexplosion (prvm_prog_t *prog)
2162 {
2163         vec3_t          pos, pos2;
2164         VM_SAFEPARMCOUNT(1, VM_CL_te_tarexplosion);
2165
2166         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2167         CL_FindNonSolidLocation(pos, pos2, 10);
2168         CL_ParticleEffect(EFFECT_TE_TAREXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2169         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2170 }
2171
2172 // #423 void(vector org) te_wizspike (DP_TE_STANDARDEFFECTBUILTINS)
2173 static void VM_CL_te_wizspike (prvm_prog_t *prog)
2174 {
2175         vec3_t          pos, pos2;
2176         VM_SAFEPARMCOUNT(1, VM_CL_te_wizspike);
2177
2178         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2179         CL_FindNonSolidLocation(pos, pos2, 4);
2180         CL_ParticleEffect(EFFECT_TE_WIZSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2181         S_StartSound(-1, 0, cl.sfx_wizhit, pos2, 1, 1);
2182 }
2183
2184 // #424 void(vector org) te_knightspike (DP_TE_STANDARDEFFECTBUILTINS)
2185 static void VM_CL_te_knightspike (prvm_prog_t *prog)
2186 {
2187         vec3_t          pos, pos2;
2188         VM_SAFEPARMCOUNT(1, VM_CL_te_knightspike);
2189
2190         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2191         CL_FindNonSolidLocation(pos, pos2, 4);
2192         CL_ParticleEffect(EFFECT_TE_KNIGHTSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2193         S_StartSound(-1, 0, cl.sfx_knighthit, pos2, 1, 1);
2194 }
2195
2196 // #425 void(vector org) te_lavasplash (DP_TE_STANDARDEFFECTBUILTINS)
2197 static void VM_CL_te_lavasplash (prvm_prog_t *prog)
2198 {
2199         vec3_t          pos;
2200         VM_SAFEPARMCOUNT(1, VM_CL_te_lavasplash);
2201         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2202         CL_ParticleEffect(EFFECT_TE_LAVASPLASH, 1, pos, pos, vec3_origin, vec3_origin, NULL, 0);
2203 }
2204
2205 // #426 void(vector org) te_teleport (DP_TE_STANDARDEFFECTBUILTINS)
2206 static void VM_CL_te_teleport (prvm_prog_t *prog)
2207 {
2208         vec3_t          pos;
2209         VM_SAFEPARMCOUNT(1, VM_CL_te_teleport);
2210         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2211         CL_ParticleEffect(EFFECT_TE_TELEPORT, 1, pos, pos, vec3_origin, vec3_origin, NULL, 0);
2212 }
2213
2214 // #427 void(vector org, float colorstart, float colorlength) te_explosion2 (DP_TE_STANDARDEFFECTBUILTINS)
2215 static void VM_CL_te_explosion2 (prvm_prog_t *prog)
2216 {
2217         vec3_t          pos, pos2, color;
2218         matrix4x4_t     tempmatrix;
2219         int                     colorStart, colorLength;
2220         unsigned char           *tempcolor;
2221         VM_SAFEPARMCOUNT(3, VM_CL_te_explosion2);
2222
2223         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2224         colorStart = (int)PRVM_G_FLOAT(OFS_PARM1);
2225         colorLength = (int)PRVM_G_FLOAT(OFS_PARM2);
2226         CL_FindNonSolidLocation(pos, pos2, 10);
2227         CL_ParticleExplosion2(pos2, colorStart, colorLength);
2228         tempcolor = palette_rgb[(rand()%colorLength) + colorStart];
2229         color[0] = tempcolor[0] * (2.0f / 255.0f);
2230         color[1] = tempcolor[1] * (2.0f / 255.0f);
2231         color[2] = tempcolor[2] * (2.0f / 255.0f);
2232         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2233         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);
2234         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2235 }
2236
2237
2238 // #428 void(entity own, vector start, vector end) te_lightning1 (DP_TE_STANDARDEFFECTBUILTINS)
2239 static void VM_CL_te_lightning1 (prvm_prog_t *prog)
2240 {
2241         vec3_t          start, end;
2242         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning1);
2243         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2244         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2245         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt, true);
2246 }
2247
2248 // #429 void(entity own, vector start, vector end) te_lightning2 (DP_TE_STANDARDEFFECTBUILTINS)
2249 static void VM_CL_te_lightning2 (prvm_prog_t *prog)
2250 {
2251         vec3_t          start, end;
2252         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning2);
2253         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2254         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2255         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt2, true);
2256 }
2257
2258 // #430 void(entity own, vector start, vector end) te_lightning3 (DP_TE_STANDARDEFFECTBUILTINS)
2259 static void VM_CL_te_lightning3 (prvm_prog_t *prog)
2260 {
2261         vec3_t          start, end;
2262         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning3);
2263         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2264         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2265         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt3, false);
2266 }
2267
2268 // #431 void(entity own, vector start, vector end) te_beam (DP_TE_STANDARDEFFECTBUILTINS)
2269 static void VM_CL_te_beam (prvm_prog_t *prog)
2270 {
2271         vec3_t          start, end;
2272         VM_SAFEPARMCOUNT(3, VM_CL_te_beam);
2273         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2274         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2275         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_beam, false);
2276 }
2277
2278 // #433 void(vector org) te_plasmaburn (DP_TE_PLASMABURN)
2279 static void VM_CL_te_plasmaburn (prvm_prog_t *prog)
2280 {
2281         vec3_t          pos, pos2;
2282         VM_SAFEPARMCOUNT(1, VM_CL_te_plasmaburn);
2283
2284         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2285         CL_FindNonSolidLocation(pos, pos2, 4);
2286         CL_ParticleEffect(EFFECT_TE_PLASMABURN, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2287 }
2288
2289 // #457 void(vector org, vector velocity, float howmany) te_flamejet (DP_TE_FLAMEJET)
2290 static void VM_CL_te_flamejet (prvm_prog_t *prog)
2291 {
2292         vec3_t          pos, pos2, vel;
2293         VM_SAFEPARMCOUNT(3, VM_CL_te_flamejet);
2294         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
2295                 return;
2296         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2297         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
2298         CL_FindNonSolidLocation(pos, pos2, 4);
2299         CL_ParticleEffect(EFFECT_TE_FLAMEJET, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
2300 }
2301
2302
2303 // #443 void(entity e, entity tagentity, string tagname) setattachment
2304 static void VM_CL_setattachment (prvm_prog_t *prog)
2305 {
2306         prvm_edict_t *e;
2307         prvm_edict_t *tagentity;
2308         const char *tagname;
2309         int modelindex;
2310         int tagindex;
2311         dp_model_t *model;
2312         VM_SAFEPARMCOUNT(3, VM_CL_setattachment);
2313
2314         e = PRVM_G_EDICT(OFS_PARM0);
2315         tagentity = PRVM_G_EDICT(OFS_PARM1);
2316         tagname = PRVM_G_STRING(OFS_PARM2);
2317
2318         if (e == prog->edicts)
2319         {
2320                 VM_Warning(prog, "setattachment: can not modify world entity\n");
2321                 return;
2322         }
2323         if (e->priv.server->free)
2324         {
2325                 VM_Warning(prog, "setattachment: can not modify free entity\n");
2326                 return;
2327         }
2328
2329         if (tagentity == NULL)
2330                 tagentity = prog->edicts;
2331
2332         tagindex = 0;
2333         if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
2334         {
2335                 modelindex = (int)PRVM_clientedictfloat(tagentity, modelindex);
2336                 model = CL_GetModelByIndex(modelindex);
2337                 if (model)
2338                 {
2339                         tagindex = Mod_Alias_GetTagIndexForName(model, (int)PRVM_clientedictfloat(tagentity, skin), tagname);
2340                         if (tagindex == 0)
2341                                 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);
2342                 }
2343                 else
2344                         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));
2345         }
2346
2347         PRVM_clientedictedict(e, tag_entity) = PRVM_EDICT_TO_PROG(tagentity);
2348         PRVM_clientedictfloat(e, tag_index) = tagindex;
2349 }
2350
2351 /////////////////////////////////////////
2352 // DP_MD3_TAGINFO extension coded by VorteX
2353
2354 static int CL_GetTagIndex (prvm_prog_t *prog, prvm_edict_t *e, const char *tagname)
2355 {
2356         dp_model_t *model = CL_GetModelFromEdict(e);
2357         if (model)
2358                 return Mod_Alias_GetTagIndexForName(model, (int)PRVM_clientedictfloat(e, skin), tagname);
2359         else
2360                 return -1;
2361 }
2362
2363 static int CL_GetExtendedTagInfo (prvm_prog_t *prog, prvm_edict_t *e, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix)
2364 {
2365         int r;
2366         dp_model_t *model;
2367
2368         *tagname = NULL;
2369         *parentindex = 0;
2370         Matrix4x4_CreateIdentity(tag_localmatrix);
2371
2372         if (tagindex >= 0
2373          && (model = CL_GetModelFromEdict(e))
2374          && model->animscenes)
2375         {
2376                 r = Mod_Alias_GetExtendedTagInfoForIndex(model, (int)PRVM_clientedictfloat(e, skin), e->priv.server->frameblend, &e->priv.server->skeleton, tagindex - 1, parentindex, tagname, tag_localmatrix);
2377
2378                 if(!r) // success?
2379                         *parentindex += 1;
2380
2381                 return r;
2382         }
2383
2384         return 1;
2385 }
2386
2387 int CL_GetPitchSign(prvm_prog_t *prog, prvm_edict_t *ent)
2388 {
2389         dp_model_t *model;
2390         if ((model = CL_GetModelFromEdict(ent)) && model->type == mod_alias)
2391                 return -1;
2392         return 1;
2393 }
2394
2395 void CL_GetEntityMatrix (prvm_prog_t *prog, prvm_edict_t *ent, matrix4x4_t *out, qboolean viewmatrix)
2396 {
2397         float scale;
2398         float pitchsign = 1;
2399
2400         scale = PRVM_clientedictfloat(ent, scale);
2401         if (!scale)
2402                 scale = 1.0f;
2403
2404         if(viewmatrix)
2405                 *out = r_refdef.view.matrix;
2406         else if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_USEAXIS)
2407         {
2408                 vec3_t forward;
2409                 vec3_t left;
2410                 vec3_t up;
2411                 vec3_t origin;
2412                 VectorScale(PRVM_clientglobalvector(v_forward), scale, forward);
2413                 VectorScale(PRVM_clientglobalvector(v_right), -scale, left);
2414                 VectorScale(PRVM_clientglobalvector(v_up), scale, up);
2415                 VectorCopy(PRVM_clientedictvector(ent, origin), origin);
2416                 Matrix4x4_FromVectors(out, forward, left, up, origin);
2417         }
2418         else
2419         {
2420                 pitchsign = CL_GetPitchSign(prog, ent);
2421                 Matrix4x4_CreateFromQuakeEntity(out, PRVM_clientedictvector(ent, origin)[0], PRVM_clientedictvector(ent, origin)[1], PRVM_clientedictvector(ent, origin)[2], pitchsign * PRVM_clientedictvector(ent, angles)[0], PRVM_clientedictvector(ent, angles)[1], PRVM_clientedictvector(ent, angles)[2], scale);
2422         }
2423 }
2424
2425 static int CL_GetEntityLocalTagMatrix(prvm_prog_t *prog, prvm_edict_t *ent, int tagindex, matrix4x4_t *out)
2426 {
2427         dp_model_t *model;
2428         if (tagindex >= 0
2429          && (model = CL_GetModelFromEdict(ent))
2430          && model->animscenes)
2431         {
2432                 VM_GenerateFrameGroupBlend(prog, ent->priv.server->framegroupblend, ent);
2433                 VM_FrameBlendFromFrameGroupBlend(ent->priv.server->frameblend, ent->priv.server->framegroupblend, model, cl.time);
2434                 VM_UpdateEdictSkeleton(prog, ent, model, ent->priv.server->frameblend);
2435                 return Mod_Alias_GetTagMatrix(model, ent->priv.server->frameblend, &ent->priv.server->skeleton, tagindex, out);
2436         }
2437         *out = identitymatrix;
2438         return 0;
2439 }
2440
2441 // Warnings/errors code:
2442 // 0 - normal (everything all-right)
2443 // 1 - world entity
2444 // 2 - free entity
2445 // 3 - null or non-precached model
2446 // 4 - no tags with requested index
2447 // 5 - runaway loop at attachment chain
2448 extern cvar_t cl_bob;
2449 extern cvar_t cl_bobcycle;
2450 extern cvar_t cl_bobup;
2451 int CL_GetTagMatrix (prvm_prog_t *prog, matrix4x4_t *out, prvm_edict_t *ent, int tagindex)
2452 {
2453         int ret;
2454         int attachloop;
2455         matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
2456         dp_model_t *model;
2457
2458         *out = identitymatrix; // warnings and errors return identical matrix
2459
2460         if (ent == prog->edicts)
2461                 return 1;
2462         if (ent->priv.server->free)
2463                 return 2;
2464
2465         model = CL_GetModelFromEdict(ent);
2466         if(!model)
2467                 return 3;
2468
2469         tagmatrix = identitymatrix;
2470         attachloop = 0;
2471         for(;;)
2472         {
2473                 if(attachloop >= 256)
2474                         return 5;
2475                 // apply transformation by child's tagindex on parent entity and then
2476                 // by parent entity itself
2477                 ret = CL_GetEntityLocalTagMatrix(prog, ent, tagindex - 1, &attachmatrix);
2478                 if(ret && attachloop == 0)
2479                         return ret;
2480                 CL_GetEntityMatrix(prog, ent, &entitymatrix, false);
2481                 Matrix4x4_Concat(&tagmatrix, &attachmatrix, out);
2482                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2483                 // next iteration we process the parent entity
2484                 if (PRVM_clientedictedict(ent, tag_entity))
2485                 {
2486                         tagindex = (int)PRVM_clientedictfloat(ent, tag_index);
2487                         ent = PRVM_EDICT_NUM(PRVM_clientedictedict(ent, tag_entity));
2488                 }
2489                 else
2490                         break;
2491                 attachloop++;
2492         }
2493
2494         // RENDER_VIEWMODEL magic
2495         if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_VIEWMODEL)
2496         {
2497                 Matrix4x4_Copy(&tagmatrix, out);
2498
2499                 CL_GetEntityMatrix(prog, prog->edicts, &entitymatrix, true);
2500                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2501
2502                 /*
2503                 // Cl_bob, ported from rendering code
2504                 if (PRVM_clientedictfloat(ent, health) > 0 && cl_bob.value && cl_bobcycle.value)
2505                 {
2506                         double bob, cycle;
2507                         // LordHavoc: this code is *weird*, but not replacable (I think it
2508                         // should be done in QC on the server, but oh well, quake is quake)
2509                         // LordHavoc: figured out bobup: the time at which the sin is at 180
2510                         // degrees (which allows lengthening or squishing the peak or valley)
2511                         cycle = cl.time/cl_bobcycle.value;
2512                         cycle -= (int)cycle;
2513                         if (cycle < cl_bobup.value)
2514                                 cycle = sin(M_PI * cycle / cl_bobup.value);
2515                         else
2516                                 cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
2517                         // bob is proportional to velocity in the xy plane
2518                         // (don't count Z, or jumping messes it up)
2519                         bob = sqrt(PRVM_clientedictvector(ent, velocity)[0]*PRVM_clientedictvector(ent, velocity)[0] + PRVM_clientedictvector(ent, velocity)[1]*PRVM_clientedictvector(ent, velocity)[1])*cl_bob.value;
2520                         bob = bob*0.3 + bob*0.7*cycle;
2521                         Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
2522                 }
2523                 */
2524         }
2525         return 0;
2526 }
2527
2528 // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
2529 static void VM_CL_gettagindex (prvm_prog_t *prog)
2530 {
2531         prvm_edict_t *ent;
2532         const char *tag_name;
2533         int tag_index;
2534
2535         VM_SAFEPARMCOUNT(2, VM_CL_gettagindex);
2536
2537         ent = PRVM_G_EDICT(OFS_PARM0);
2538         tag_name = PRVM_G_STRING(OFS_PARM1);
2539         if (ent == prog->edicts)
2540         {
2541                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect world entity\n", PRVM_NUM_FOR_EDICT(ent));
2542                 return;
2543         }
2544         if (ent->priv.server->free)
2545         {
2546                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect free entity\n", PRVM_NUM_FOR_EDICT(ent));
2547                 return;
2548         }
2549
2550         tag_index = 0;
2551         if (!CL_GetModelFromEdict(ent))
2552                 Con_DPrintf("VM_CL_gettagindex(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(ent));
2553         else
2554         {
2555                 tag_index = CL_GetTagIndex(prog, ent, tag_name);
2556                 if (tag_index == 0)
2557                         if(developer_extra.integer)
2558                                 Con_DPrintf("VM_CL_gettagindex(entity #%i): tag \"%s\" not found\n", PRVM_NUM_FOR_EDICT(ent), tag_name);
2559         }
2560         PRVM_G_FLOAT(OFS_RETURN) = tag_index;
2561 }
2562
2563 // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
2564 static void VM_CL_gettaginfo (prvm_prog_t *prog)
2565 {
2566         prvm_edict_t *e;
2567         int tagindex;
2568         matrix4x4_t tag_matrix;
2569         matrix4x4_t tag_localmatrix;
2570         int parentindex;
2571         const char *tagname;
2572         int returncode;
2573         vec3_t forward, left, up, origin;
2574         const dp_model_t *model;
2575
2576         VM_SAFEPARMCOUNT(2, VM_CL_gettaginfo);
2577
2578         e = PRVM_G_EDICT(OFS_PARM0);
2579         tagindex = (int)PRVM_G_FLOAT(OFS_PARM1);
2580         returncode = CL_GetTagMatrix(prog, &tag_matrix, e, tagindex);
2581         Matrix4x4_ToVectors(&tag_matrix, forward, left, up, origin);
2582         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
2583         VectorScale(left, -1, PRVM_clientglobalvector(v_right));
2584         VectorCopy(up, PRVM_clientglobalvector(v_up));
2585         VectorCopy(origin, PRVM_G_VECTOR(OFS_RETURN));
2586         model = CL_GetModelFromEdict(e);
2587         VM_GenerateFrameGroupBlend(prog, e->priv.server->framegroupblend, e);
2588         VM_FrameBlendFromFrameGroupBlend(e->priv.server->frameblend, e->priv.server->framegroupblend, model, cl.time);
2589         VM_UpdateEdictSkeleton(prog, e, model, e->priv.server->frameblend);
2590         CL_GetExtendedTagInfo(prog, e, tagindex, &parentindex, &tagname, &tag_localmatrix);
2591         Matrix4x4_ToVectors(&tag_localmatrix, forward, left, up, origin);
2592
2593         PRVM_clientglobalfloat(gettaginfo_parent) = parentindex;
2594         PRVM_clientglobalstring(gettaginfo_name) = tagname ? PRVM_SetTempString(prog, tagname) : 0;
2595         VectorCopy(forward, PRVM_clientglobalvector(gettaginfo_forward));
2596         VectorScale(left, -1, PRVM_clientglobalvector(gettaginfo_right));
2597         VectorCopy(up, PRVM_clientglobalvector(gettaginfo_up));
2598         VectorCopy(origin, PRVM_clientglobalvector(gettaginfo_offset));
2599
2600         switch(returncode)
2601         {
2602                 case 1:
2603                         VM_Warning(prog, "gettagindex: can't affect world entity\n");
2604                         break;
2605                 case 2:
2606                         VM_Warning(prog, "gettagindex: can't affect free entity\n");
2607                         break;
2608                 case 3:
2609                         Con_DPrintf("CL_GetTagMatrix(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(e));
2610                         break;
2611                 case 4:
2612                         Con_DPrintf("CL_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", PRVM_NUM_FOR_EDICT(e), tagindex);
2613                         break;
2614                 case 5:
2615                         Con_DPrintf("CL_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", PRVM_NUM_FOR_EDICT(e));
2616                         break;
2617         }
2618 }
2619
2620 //============================================================================
2621
2622 //====================
2623 // DP_CSQC_SPAWNPARTICLE
2624 // a QC hook to engine's CL_NewParticle
2625 //====================
2626
2627 // particle theme struct
2628 typedef struct vmparticletheme_s
2629 {
2630         unsigned short typeindex;
2631         qboolean initialized;
2632         pblend_t blendmode;
2633         porientation_t orientation;
2634         int color1;
2635         int color2;
2636         int tex;
2637         float size;
2638         float sizeincrease;
2639         float alpha;
2640         float alphafade;
2641         float gravity;
2642         float bounce;
2643         float airfriction;
2644         float liquidfriction;
2645         float originjitter;
2646         float velocityjitter;
2647         qboolean qualityreduction;
2648         float lifetime;
2649         float stretch;
2650         int staincolor1;
2651         int staincolor2;
2652         int staintex;
2653         float stainalpha;
2654         float stainsize;
2655         float delayspawn;
2656         float delaycollision;
2657         float angle;
2658         float spin;
2659 }vmparticletheme_t;
2660
2661 // particle spawner
2662 typedef struct vmparticlespawner_s
2663 {
2664         mempool_t                       *pool;
2665         qboolean                        initialized;
2666         qboolean                        verified;
2667         vmparticletheme_t       *themes;
2668         int                                     max_themes;
2669 }vmparticlespawner_t;
2670
2671 vmparticlespawner_t vmpartspawner;
2672
2673 // TODO: automatic max_themes grow
2674 static void VM_InitParticleSpawner (prvm_prog_t *prog, int maxthemes)
2675 {
2676         // bound max themes to not be an insane value
2677         if (maxthemes < 4)
2678                 maxthemes = 4;
2679         if (maxthemes > 2048)
2680                 maxthemes = 2048;
2681         // allocate and set up structure
2682         if (vmpartspawner.initialized) // reallocate
2683         {
2684                 Mem_FreePool(&vmpartspawner.pool);
2685                 memset(&vmpartspawner, 0, sizeof(vmparticlespawner_t));
2686         }
2687         vmpartspawner.pool = Mem_AllocPool("VMPARTICLESPAWNER", 0, NULL);
2688         vmpartspawner.themes = (vmparticletheme_t *)Mem_Alloc(vmpartspawner.pool, sizeof(vmparticletheme_t)*maxthemes);
2689         vmpartspawner.max_themes = maxthemes;
2690         vmpartspawner.initialized = true;
2691         vmpartspawner.verified = true;
2692 }
2693
2694 // reset particle theme to default values
2695 static void VM_ResetParticleTheme (vmparticletheme_t *theme)
2696 {
2697         theme->initialized = true;
2698         theme->typeindex = pt_static;
2699         theme->blendmode = PBLEND_ADD;
2700         theme->orientation = PARTICLE_BILLBOARD;
2701         theme->color1 = 0x808080;
2702         theme->color2 = 0xFFFFFF;
2703         theme->tex = 63;
2704         theme->size = 2;
2705         theme->sizeincrease = 0;
2706         theme->alpha = 256;
2707         theme->alphafade = 512;
2708         theme->gravity = 0.0f;
2709         theme->bounce = 0.0f;
2710         theme->airfriction = 1.0f;
2711         theme->liquidfriction = 4.0f;
2712         theme->originjitter = 0.0f;
2713         theme->velocityjitter = 0.0f;
2714         theme->qualityreduction = false;
2715         theme->lifetime = 4;
2716         theme->stretch = 1;
2717         theme->staincolor1 = -1;
2718         theme->staincolor2 = -1;
2719         theme->staintex = -1;
2720         theme->delayspawn = 0.0f;
2721         theme->delaycollision = 0.0f;
2722         theme->angle = 0.0f;
2723         theme->spin = 0.0f;
2724 }
2725
2726 // particle theme -> QC globals
2727 static void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme, prvm_prog_t *prog)
2728 {
2729         PRVM_clientglobalfloat(particle_type) = theme->typeindex;
2730         PRVM_clientglobalfloat(particle_blendmode) = theme->blendmode;
2731         PRVM_clientglobalfloat(particle_orientation) = theme->orientation;
2732         // VorteX: int only can store 0-255, not 0-256 which means 0 - 0,99609375...
2733         VectorSet(PRVM_clientglobalvector(particle_color1), (theme->color1 >> 16) & 0xFF, (theme->color1 >> 8) & 0xFF, (theme->color1 >> 0) & 0xFF);
2734         VectorSet(PRVM_clientglobalvector(particle_color2), (theme->color2 >> 16) & 0xFF, (theme->color2 >> 8) & 0xFF, (theme->color2 >> 0) & 0xFF);
2735         PRVM_clientglobalfloat(particle_tex) = (prvm_vec_t)theme->tex;
2736         PRVM_clientglobalfloat(particle_size) = theme->size;
2737         PRVM_clientglobalfloat(particle_sizeincrease) = theme->sizeincrease;
2738         PRVM_clientglobalfloat(particle_alpha) = theme->alpha/256;
2739         PRVM_clientglobalfloat(particle_alphafade) = theme->alphafade/256;
2740         PRVM_clientglobalfloat(particle_time) = theme->lifetime;
2741         PRVM_clientglobalfloat(particle_gravity) = theme->gravity;
2742         PRVM_clientglobalfloat(particle_bounce) = theme->bounce;
2743         PRVM_clientglobalfloat(particle_airfriction) = theme->airfriction;
2744         PRVM_clientglobalfloat(particle_liquidfriction) = theme->liquidfriction;
2745         PRVM_clientglobalfloat(particle_originjitter) = theme->originjitter;
2746         PRVM_clientglobalfloat(particle_velocityjitter) = theme->velocityjitter;
2747         PRVM_clientglobalfloat(particle_qualityreduction) = theme->qualityreduction;
2748         PRVM_clientglobalfloat(particle_stretch) = theme->stretch;
2749         VectorSet(PRVM_clientglobalvector(particle_staincolor1), ((int)theme->staincolor1 >> 16) & 0xFF, ((int)theme->staincolor1 >> 8) & 0xFF, ((int)theme->staincolor1 >> 0) & 0xFF);
2750         VectorSet(PRVM_clientglobalvector(particle_staincolor2), ((int)theme->staincolor2 >> 16) & 0xFF, ((int)theme->staincolor2 >> 8) & 0xFF, ((int)theme->staincolor2 >> 0) & 0xFF);
2751         PRVM_clientglobalfloat(particle_staintex) = (prvm_vec_t)theme->staintex;
2752         PRVM_clientglobalfloat(particle_stainalpha) = (prvm_vec_t)theme->stainalpha/256;
2753         PRVM_clientglobalfloat(particle_stainsize) = (prvm_vec_t)theme->stainsize;
2754         PRVM_clientglobalfloat(particle_delayspawn) = theme->delayspawn;
2755         PRVM_clientglobalfloat(particle_delaycollision) = theme->delaycollision;
2756         PRVM_clientglobalfloat(particle_angle) = theme->angle;
2757         PRVM_clientglobalfloat(particle_spin) = theme->spin;
2758 }
2759
2760 // QC globals ->  particle theme
2761 static void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme, prvm_prog_t *prog)
2762 {
2763         theme->typeindex = (unsigned short)PRVM_clientglobalfloat(particle_type);
2764         theme->blendmode = (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode);
2765         theme->orientation = (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation);
2766         theme->color1 = ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]);
2767         theme->color2 = ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]);
2768         theme->tex = (int)PRVM_clientglobalfloat(particle_tex);
2769         theme->size = PRVM_clientglobalfloat(particle_size);
2770         theme->sizeincrease = PRVM_clientglobalfloat(particle_sizeincrease);
2771         theme->alpha = PRVM_clientglobalfloat(particle_alpha)*256;
2772         theme->alphafade = PRVM_clientglobalfloat(particle_alphafade)*256;
2773         theme->lifetime = PRVM_clientglobalfloat(particle_time);
2774         theme->gravity = PRVM_clientglobalfloat(particle_gravity);
2775         theme->bounce = PRVM_clientglobalfloat(particle_bounce);
2776         theme->airfriction = PRVM_clientglobalfloat(particle_airfriction);
2777         theme->liquidfriction = PRVM_clientglobalfloat(particle_liquidfriction);
2778         theme->originjitter = PRVM_clientglobalfloat(particle_originjitter);
2779         theme->velocityjitter = PRVM_clientglobalfloat(particle_velocityjitter);
2780         theme->qualityreduction = PRVM_clientglobalfloat(particle_qualityreduction) != 0 ? true : false;
2781         theme->stretch = PRVM_clientglobalfloat(particle_stretch);
2782         theme->staincolor1 = ((int)PRVM_clientglobalvector(particle_staincolor1)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor1)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor1)[2]);
2783         theme->staincolor2 = (int)(PRVM_clientglobalvector(particle_staincolor2)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor2)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor2)[2]);
2784         theme->staintex =(int)PRVM_clientglobalfloat(particle_staintex);
2785         theme->stainalpha = PRVM_clientglobalfloat(particle_stainalpha)*256;
2786         theme->stainsize = PRVM_clientglobalfloat(particle_stainsize);
2787         theme->delayspawn = PRVM_clientglobalfloat(particle_delayspawn);
2788         theme->delaycollision = PRVM_clientglobalfloat(particle_delaycollision);
2789         theme->angle = PRVM_clientglobalfloat(particle_angle);
2790         theme->spin = PRVM_clientglobalfloat(particle_spin);
2791 }
2792
2793 // init particle spawner interface
2794 // # float(float max_themes) initparticlespawner
2795 static void VM_CL_InitParticleSpawner (prvm_prog_t *prog)
2796 {
2797         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_InitParticleSpawner);
2798         VM_InitParticleSpawner(prog, (int)PRVM_G_FLOAT(OFS_PARM0));
2799         vmpartspawner.themes[0].initialized = true;
2800         VM_ResetParticleTheme(&vmpartspawner.themes[0]);
2801         PRVM_G_FLOAT(OFS_RETURN) = (vmpartspawner.verified == true) ? 1 : 0;
2802 }
2803
2804 // void() resetparticle
2805 static void VM_CL_ResetParticle (prvm_prog_t *prog)
2806 {
2807         VM_SAFEPARMCOUNT(0, VM_CL_ResetParticle);
2808         if (vmpartspawner.verified == false)
2809         {
2810                 VM_Warning(prog, "VM_CL_ResetParticle: particle spawner not initialized\n");
2811                 return;
2812         }
2813         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2814 }
2815
2816 // void(float themenum) particletheme
2817 static void VM_CL_ParticleTheme (prvm_prog_t *prog)
2818 {
2819         int themenum;
2820
2821         VM_SAFEPARMCOUNT(1, VM_CL_ParticleTheme);
2822         if (vmpartspawner.verified == false)
2823         {
2824                 VM_Warning(prog, "VM_CL_ParticleTheme: particle spawner not initialized\n");
2825                 return;
2826         }
2827         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2828         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2829         {
2830                 VM_Warning(prog, "VM_CL_ParticleTheme: bad theme number %i\n", themenum);
2831                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2832                 return;
2833         }
2834         if (vmpartspawner.themes[themenum].initialized == false)
2835         {
2836                 VM_Warning(prog, "VM_CL_ParticleTheme: theme #%i not exists\n", themenum);
2837                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2838                 return;
2839         }
2840         // load particle theme into globals
2841         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[themenum], prog);
2842 }
2843
2844 // float() saveparticletheme
2845 // void(float themenum) updateparticletheme
2846 static void VM_CL_ParticleThemeSave (prvm_prog_t *prog)
2847 {
2848         int themenum;
2849
2850         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_ParticleThemeSave);
2851         if (vmpartspawner.verified == false)
2852         {
2853                 VM_Warning(prog, "VM_CL_ParticleThemeSave: particle spawner not initialized\n");
2854                 return;
2855         }
2856         // allocate new theme, save it and return
2857         if (prog->argc < 1)
2858         {
2859                 for (themenum = 0; themenum < vmpartspawner.max_themes; themenum++)
2860                         if (vmpartspawner.themes[themenum].initialized == false)
2861                                 break;
2862                 if (themenum >= vmpartspawner.max_themes)
2863                 {
2864                         if (vmpartspawner.max_themes == 2048)
2865                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots\n");
2866                         else
2867                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots, try initparticlespawner() with highter max_themes\n");
2868                         PRVM_G_FLOAT(OFS_RETURN) = -1;
2869                         return;
2870                 }
2871                 vmpartspawner.themes[themenum].initialized = true;
2872                 VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum], prog);
2873                 PRVM_G_FLOAT(OFS_RETURN) = themenum;
2874                 return;
2875         }
2876         // update existing theme
2877         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2878         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2879         {
2880                 VM_Warning(prog, "VM_CL_ParticleThemeSave: bad theme number %i\n", themenum);
2881                 return;
2882         }
2883         vmpartspawner.themes[themenum].initialized = true;
2884         VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum], prog);
2885 }
2886
2887 // void(float themenum) freeparticletheme
2888 static void VM_CL_ParticleThemeFree (prvm_prog_t *prog)
2889 {
2890         int themenum;
2891
2892         VM_SAFEPARMCOUNT(1, VM_CL_ParticleThemeFree);
2893         if (vmpartspawner.verified == false)
2894         {
2895                 VM_Warning(prog, "VM_CL_ParticleThemeFree: particle spawner not initialized\n");
2896                 return;
2897         }
2898         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2899         // check parms
2900         if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2901         {
2902                 VM_Warning(prog, "VM_CL_ParticleThemeFree: bad theme number %i\n", themenum);
2903                 return;
2904         }
2905         if (vmpartspawner.themes[themenum].initialized == false)
2906         {
2907                 VM_Warning(prog, "VM_CL_ParticleThemeFree: theme #%i already freed\n", themenum);
2908                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2909                 return;
2910         }
2911         // free theme
2912         VM_ResetParticleTheme(&vmpartspawner.themes[themenum]);
2913         vmpartspawner.themes[themenum].initialized = false;
2914 }
2915
2916 // float(vector org, vector dir, [float theme]) particle
2917 // returns 0 if failed, 1 if succesful
2918 static void VM_CL_SpawnParticle (prvm_prog_t *prog)
2919 {
2920         vec3_t org, dir;
2921         vmparticletheme_t *theme;
2922         particle_t *part;
2923         int themenum;
2924
2925         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_SpawnParticle2);
2926         if (vmpartspawner.verified == false)
2927         {
2928                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
2929                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2930                 return;
2931         }
2932         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
2933         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
2934         
2935         if (prog->argc < 3) // global-set particle
2936         {
2937                 part = CL_NewParticle(org,
2938                         (unsigned short)PRVM_clientglobalfloat(particle_type),
2939                         ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]),
2940                         ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]),
2941                         (int)PRVM_clientglobalfloat(particle_tex),
2942                         PRVM_clientglobalfloat(particle_size),
2943                         PRVM_clientglobalfloat(particle_sizeincrease),
2944                         PRVM_clientglobalfloat(particle_alpha)*256,
2945                         PRVM_clientglobalfloat(particle_alphafade)*256,
2946                         PRVM_clientglobalfloat(particle_gravity),
2947                         PRVM_clientglobalfloat(particle_bounce),
2948                         org[0],
2949                         org[1],
2950                         org[2],
2951                         dir[0],
2952                         dir[1],
2953                         dir[2],
2954                         PRVM_clientglobalfloat(particle_airfriction),
2955                         PRVM_clientglobalfloat(particle_liquidfriction),
2956                         PRVM_clientglobalfloat(particle_originjitter),
2957                         PRVM_clientglobalfloat(particle_velocityjitter),
2958                         (PRVM_clientglobalfloat(particle_qualityreduction)) ? true : false,
2959                         PRVM_clientglobalfloat(particle_time),
2960                         PRVM_clientglobalfloat(particle_stretch),
2961                         (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode),
2962                         (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation),
2963                         (int)(PRVM_clientglobalvector(particle_staincolor1)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor1)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor1)[2]),
2964                         (int)(PRVM_clientglobalvector(particle_staincolor2)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor2)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor2)[2]),
2965                         (int)PRVM_clientglobalfloat(particle_staintex),
2966                         PRVM_clientglobalfloat(particle_stainalpha)*256,
2967                         PRVM_clientglobalfloat(particle_stainsize),
2968                         PRVM_clientglobalfloat(particle_angle),
2969                         PRVM_clientglobalfloat(particle_spin),
2970                         NULL);
2971                 if (!part)
2972                 {
2973                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2974                         return;
2975                 }
2976                 if (PRVM_clientglobalfloat(particle_delayspawn))
2977                         part->delayedspawn = cl.time + PRVM_clientglobalfloat(particle_delayspawn);
2978                 //if (PRVM_clientglobalfloat(particle_delaycollision))
2979                 //      part->delayedcollisions = cl.time + PRVM_clientglobalfloat(particle_delaycollision);
2980         }
2981         else // quick themed particle
2982         {
2983                 themenum = (int)PRVM_G_FLOAT(OFS_PARM2);
2984                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2985                 {
2986                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2987                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2988                         return;
2989                 }
2990                 theme = &vmpartspawner.themes[themenum];
2991                 part = CL_NewParticle(org,
2992                         theme->typeindex,
2993                         theme->color1,
2994                         theme->color2,
2995                         theme->tex,
2996                         theme->size,
2997                         theme->sizeincrease,
2998                         theme->alpha,
2999                         theme->alphafade,
3000                         theme->gravity,
3001                         theme->bounce,
3002                         org[0],
3003                         org[1],
3004                         org[2],
3005                         dir[0],
3006                         dir[1],
3007                         dir[2],
3008                         theme->airfriction,
3009                         theme->liquidfriction,
3010                         theme->originjitter,
3011                         theme->velocityjitter,
3012                         theme->qualityreduction,
3013                         theme->lifetime,
3014                         theme->stretch,
3015                         theme->blendmode,
3016                         theme->orientation,
3017                         theme->staincolor1,
3018                         theme->staincolor2,
3019                         theme->staintex,
3020                         theme->stainalpha,
3021                         theme->stainsize,
3022                         theme->angle,
3023                         theme->spin,
3024                         NULL);
3025                 if (!part)
3026                 {
3027                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
3028                         return;
3029                 }
3030                 if (theme->delayspawn)
3031                         part->delayedspawn = cl.time + theme->delayspawn;
3032                 //if (theme->delaycollision)
3033                 //      part->delayedcollisions = cl.time + theme->delaycollision;
3034         }
3035         PRVM_G_FLOAT(OFS_RETURN) = 1; 
3036 }
3037
3038 // float(vector org, vector dir, float spawndelay, float collisiondelay, [float theme]) delayedparticle
3039 // returns 0 if failed, 1 if success
3040 static void VM_CL_SpawnParticleDelayed (prvm_prog_t *prog)
3041 {
3042         vec3_t org, dir;
3043         vmparticletheme_t *theme;
3044         particle_t *part;
3045         int themenum;
3046
3047         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_SpawnParticle2);
3048         if (vmpartspawner.verified == false)
3049         {
3050                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
3051                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3052                 return;
3053         }
3054         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
3055         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
3056         if (prog->argc < 5) // global-set particle
3057                 part = CL_NewParticle(org,
3058                         (unsigned short)PRVM_clientglobalfloat(particle_type),
3059                         ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]),
3060                         ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]),
3061                         (int)PRVM_clientglobalfloat(particle_tex),
3062                         PRVM_clientglobalfloat(particle_size),
3063                         PRVM_clientglobalfloat(particle_sizeincrease),
3064                         PRVM_clientglobalfloat(particle_alpha)*256,
3065                         PRVM_clientglobalfloat(particle_alphafade)*256,
3066                         PRVM_clientglobalfloat(particle_gravity),
3067                         PRVM_clientglobalfloat(particle_bounce),
3068                         org[0],
3069                         org[1],
3070                         org[2],
3071                         dir[0],
3072                         dir[1],
3073                         dir[2],
3074                         PRVM_clientglobalfloat(particle_airfriction),
3075                         PRVM_clientglobalfloat(particle_liquidfriction),
3076                         PRVM_clientglobalfloat(particle_originjitter),
3077                         PRVM_clientglobalfloat(particle_velocityjitter),
3078                         (PRVM_clientglobalfloat(particle_qualityreduction)) ? true : false,
3079                         PRVM_clientglobalfloat(particle_time),
3080                         PRVM_clientglobalfloat(particle_stretch),
3081                         (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode),
3082                         (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation),
3083                         ((int)PRVM_clientglobalvector(particle_staincolor1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_staincolor1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_staincolor1)[2]),
3084                         ((int)PRVM_clientglobalvector(particle_staincolor2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_staincolor2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_staincolor2)[2]),
3085                         (int)PRVM_clientglobalfloat(particle_staintex),
3086                         PRVM_clientglobalfloat(particle_stainalpha)*256,
3087                         PRVM_clientglobalfloat(particle_stainsize),
3088                         PRVM_clientglobalfloat(particle_angle),
3089                         PRVM_clientglobalfloat(particle_spin),
3090                         NULL);
3091         else // themed particle
3092         {
3093                 themenum = (int)PRVM_G_FLOAT(OFS_PARM4);
3094                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
3095                 {
3096                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
3097                         PRVM_G_FLOAT(OFS_RETURN) = 0;  
3098                         return;
3099                 }
3100                 theme = &vmpartspawner.themes[themenum];
3101                 part = CL_NewParticle(org,
3102                         theme->typeindex,
3103                         theme->color1,
3104                         theme->color2,
3105                         theme->tex,
3106                         theme->size,
3107                         theme->sizeincrease,
3108                         theme->alpha,
3109                         theme->alphafade,
3110                         theme->gravity,
3111                         theme->bounce,
3112                         org[0],
3113                         org[1],
3114                         org[2],
3115                         dir[0],
3116                         dir[1],
3117                         dir[2],
3118                         theme->airfriction,
3119                         theme->liquidfriction,
3120                         theme->originjitter,
3121                         theme->velocityjitter,
3122                         theme->qualityreduction,
3123                         theme->lifetime,
3124                         theme->stretch,
3125                         theme->blendmode,
3126                         theme->orientation,
3127                         theme->staincolor1,
3128                         theme->staincolor2,
3129                         theme->staintex,
3130                         theme->stainalpha,
3131                         theme->stainsize,
3132                         theme->angle,
3133                         theme->spin,
3134                         NULL);
3135         }
3136         if (!part) 
3137         { 
3138                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3139                 return; 
3140         }
3141         part->delayedspawn = cl.time + PRVM_G_FLOAT(OFS_PARM2);
3142         //part->delayedcollisions = cl.time + PRVM_G_FLOAT(OFS_PARM3);
3143         PRVM_G_FLOAT(OFS_RETURN) = 0;
3144 }
3145
3146 //====================
3147 //CSQC engine entities query
3148 //====================
3149
3150 // float(float entitynum, float whatfld) getentity;
3151 // vector(float entitynum, float whatfld) getentityvec;
3152 // querying engine-drawn entity
3153 // VorteX: currently it's only tested with whatfld = 1..7
3154 static void VM_CL_GetEntity (prvm_prog_t *prog)
3155 {
3156         int entnum, fieldnum;
3157         vec3_t forward, left, up, org;
3158         VM_SAFEPARMCOUNT(2, VM_CL_GetEntityVec);
3159
3160         entnum = PRVM_G_FLOAT(OFS_PARM0);
3161         if (entnum < 0 || entnum >= cl.num_entities)
3162         {
3163                 PRVM_G_FLOAT(OFS_RETURN) = 0;
3164                 return;
3165         }
3166         fieldnum = PRVM_G_FLOAT(OFS_PARM1);
3167         switch(fieldnum)
3168         {
3169                 case 0: // active state
3170                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities_active[entnum];
3171                         break;
3172                 case 1: // origin
3173                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3174                         VectorCopy(org, PRVM_G_VECTOR(OFS_RETURN));
3175                         break; 
3176                 case 2: // forward
3177                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3178                         VectorCopy(forward, PRVM_G_VECTOR(OFS_RETURN));
3179                         break;
3180                 case 3: // right
3181                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3182                         VectorNegate(left, PRVM_G_VECTOR(OFS_RETURN));
3183                         break;
3184                 case 4: // up
3185                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3186                         VectorCopy(up, PRVM_G_VECTOR(OFS_RETURN));
3187                         break;
3188                 case 5: // scale
3189                         PRVM_G_FLOAT(OFS_RETURN) = Matrix4x4_ScaleFromMatrix(&cl.entities[entnum].render.matrix);
3190                         break;  
3191                 case 6: // origin + v_forward, v_right, v_up
3192                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3193                         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
3194                         VectorNegate(left, PRVM_clientglobalvector(v_right));
3195                         VectorCopy(up, PRVM_clientglobalvector(v_up));
3196                         VectorCopy(org, PRVM_G_VECTOR(OFS_RETURN));
3197                         break;  
3198                 case 7: // alpha
3199                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.alpha;
3200                         break;  
3201                 case 8: // colormor
3202                         VectorCopy(cl.entities[entnum].render.colormod, PRVM_G_VECTOR(OFS_RETURN));
3203                         break;
3204                 case 9: // pants colormod
3205                         VectorCopy(cl.entities[entnum].render.colormap_pantscolor, PRVM_G_VECTOR(OFS_RETURN));
3206                         break;
3207                 case 10: // shirt colormod
3208                         VectorCopy(cl.entities[entnum].render.colormap_shirtcolor, PRVM_G_VECTOR(OFS_RETURN));
3209                         break;
3210                 case 11: // skinnum
3211                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.skinnum;
3212                         break;  
3213                 case 12: // mins
3214                         VectorCopy(cl.entities[entnum].render.mins, PRVM_G_VECTOR(OFS_RETURN));         
3215                         break;  
3216                 case 13: // maxs
3217                         VectorCopy(cl.entities[entnum].render.maxs, PRVM_G_VECTOR(OFS_RETURN));         
3218                         break;  
3219                 case 14: // absmin
3220                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3221                         VectorAdd(cl.entities[entnum].render.mins, org, PRVM_G_VECTOR(OFS_RETURN));             
3222                         break;  
3223                 case 15: // absmax
3224                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3225                         VectorAdd(cl.entities[entnum].render.maxs, org, PRVM_G_VECTOR(OFS_RETURN));             
3226                         break;
3227                 case 16: // light
3228                         VectorMA(cl.entities[entnum].render.modellight_ambient, 0.5, cl.entities[entnum].render.modellight_diffuse, PRVM_G_VECTOR(OFS_RETURN));
3229                         break;  
3230                 default:
3231                         PRVM_G_FLOAT(OFS_RETURN) = 0;
3232                         break;
3233         }
3234 }
3235
3236 //====================
3237 //QC POLYGON functions
3238 //====================
3239
3240 //#304 void() renderscene (EXT_CSQC)
3241 // moved that here to reset the polygons,
3242 // resetting them earlier causes R_Mesh_Draw to be called with numvertices = 0
3243 // --blub
3244 static void VM_CL_R_RenderScene (prvm_prog_t *prog)
3245 {
3246         double t = Sys_DirtyTime();
3247         vmpolygons_t *polys = &prog->vmpolygons;
3248         VM_SAFEPARMCOUNT(0, VM_CL_R_RenderScene);
3249
3250         // update the views
3251         if(r_refdef.view.ismain)
3252         {
3253                 // set the main view
3254                 csqc_main_r_refdef_view = r_refdef.view;
3255
3256                 // clear the flags so no other view becomes "main" unless CSQC sets VF_MAINVIEW
3257                 r_refdef.view.ismain = false;
3258                 csqc_original_r_refdef_view.ismain = false;
3259         }
3260
3261         // we need to update any RENDER_VIEWMODEL entities at this point because
3262         // csqc supplies its own view matrix
3263         CL_UpdateViewEntities();
3264
3265         // now draw stuff!
3266         R_RenderView();
3267
3268         polys->num_vertices = polys->num_triangles = 0;
3269
3270         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
3271         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
3272         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
3273 }
3274
3275 static void VM_ResizePolygons(vmpolygons_t *polys)
3276 {
3277         float *oldvertex3f = polys->data_vertex3f;
3278         float *oldcolor4f = polys->data_color4f;
3279         float *oldtexcoord2f = polys->data_texcoord2f;
3280         vmpolygons_triangle_t *oldtriangles = polys->data_triangles;
3281         unsigned short *oldsortedelement3s = polys->data_sortedelement3s;
3282         polys->max_vertices = min(polys->max_triangles*3, 65536);
3283         polys->data_vertex3f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[3]));
3284         polys->data_color4f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[4]));
3285         polys->data_texcoord2f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[2]));
3286         polys->data_triangles = (vmpolygons_triangle_t *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(vmpolygons_triangle_t));
3287         polys->data_sortedelement3s = (unsigned short *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(unsigned short[3]));
3288         if (polys->num_vertices)
3289         {
3290                 memcpy(polys->data_vertex3f, oldvertex3f, polys->num_vertices*sizeof(float[3]));
3291                 memcpy(polys->data_color4f, oldcolor4f, polys->num_vertices*sizeof(float[4]));
3292                 memcpy(polys->data_texcoord2f, oldtexcoord2f, polys->num_vertices*sizeof(float[2]));
3293         }
3294         if (polys->num_triangles)
3295         {
3296                 memcpy(polys->data_triangles, oldtriangles, polys->num_triangles*sizeof(vmpolygons_triangle_t));
3297                 memcpy(polys->data_sortedelement3s, oldsortedelement3s, polys->num_triangles*sizeof(unsigned short[3]));
3298         }
3299         if (oldvertex3f)
3300                 Mem_Free(oldvertex3f);
3301         if (oldcolor4f)
3302                 Mem_Free(oldcolor4f);
3303         if (oldtexcoord2f)
3304                 Mem_Free(oldtexcoord2f);
3305         if (oldtriangles)
3306                 Mem_Free(oldtriangles);
3307         if (oldsortedelement3s)
3308                 Mem_Free(oldsortedelement3s);
3309 }
3310
3311 static void VM_InitPolygons (vmpolygons_t* polys)
3312 {
3313         memset(polys, 0, sizeof(*polys));
3314         polys->pool = Mem_AllocPool("VMPOLY", 0, NULL);
3315         polys->max_triangles = 1024;
3316         VM_ResizePolygons(polys);
3317         polys->initialized = true;
3318 }
3319
3320 static void VM_DrawPolygonCallback (const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
3321 {
3322         int surfacelistindex;
3323         vmpolygons_t *polys = (vmpolygons_t *)ent;
3324 //      R_Mesh_ResetTextureState();
3325         R_EntityMatrix(&identitymatrix);
3326         GL_CullFace(GL_NONE);
3327         GL_DepthTest(true); // polys in 3D space shall always have depth test
3328         GL_DepthRange(0, 1);
3329         R_Mesh_PrepareVertices_Generic_Arrays(polys->num_vertices, polys->data_vertex3f, polys->data_color4f, polys->data_texcoord2f);
3330
3331         for (surfacelistindex = 0;surfacelistindex < numsurfaces;)
3332         {
3333                 int numtriangles = 0;
3334                 rtexture_t *tex = polys->data_triangles[surfacelist[surfacelistindex]].texture;
3335                 int drawflag = polys->data_triangles[surfacelist[surfacelistindex]].drawflag;
3336                 DrawQ_ProcessDrawFlag(drawflag, polys->data_triangles[surfacelist[surfacelistindex]].hasalpha);
3337                 R_SetupShader_Generic(tex, NULL, GL_MODULATE, 1, false, false, false);
3338                 numtriangles = 0;
3339                 for (;surfacelistindex < numsurfaces;surfacelistindex++)
3340                 {
3341                         if (polys->data_triangles[surfacelist[surfacelistindex]].texture != tex || polys->data_triangles[surfacelist[surfacelistindex]].drawflag != drawflag)
3342                                 break;
3343                         VectorCopy(polys->data_triangles[surfacelist[surfacelistindex]].elements, polys->data_sortedelement3s + 3*numtriangles);
3344                         numtriangles++;
3345                 }
3346                 R_Mesh_Draw(0, polys->num_vertices, 0, numtriangles, NULL, NULL, 0, polys->data_sortedelement3s, NULL, 0);
3347         }
3348 }
3349
3350 static void VMPolygons_Store(vmpolygons_t *polys)
3351 {
3352         qboolean hasalpha;
3353         int i;
3354
3355         // detect if we have alpha
3356         hasalpha = polys->begin_texture_hasalpha;
3357         for(i = 0; !hasalpha && (i < polys->begin_vertices); ++i)
3358                 if(polys->begin_color[i][3] < 1)
3359                         hasalpha = true;
3360
3361         if (polys->begin_draw2d)
3362         {
3363                 // draw the polygon as 2D immediately
3364                 drawqueuemesh_t mesh;
3365                 mesh.texture = polys->begin_texture;
3366                 mesh.num_vertices = polys->begin_vertices;
3367                 mesh.num_triangles = polys->begin_vertices-2;
3368                 mesh.data_element3i = polygonelement3i;
3369                 mesh.data_element3s = polygonelement3s;
3370                 mesh.data_vertex3f = polys->begin_vertex[0];
3371                 mesh.data_color4f = polys->begin_color[0];
3372                 mesh.data_texcoord2f = polys->begin_texcoord[0];
3373                 DrawQ_Mesh(&mesh, polys->begin_drawflag, hasalpha);
3374         }
3375         else
3376         {
3377                 // queue the polygon as 3D for sorted transparent rendering later
3378                 int i;
3379                 if (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3380                 {
3381                         while (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3382                                 polys->max_triangles *= 2;
3383                         VM_ResizePolygons(polys);
3384                 }
3385                 if (polys->num_vertices + polys->begin_vertices <= polys->max_vertices)
3386                 {
3387                         // needle in a haystack!
3388                         // polys->num_vertices was used for copying where we actually want to copy begin_vertices
3389                         // that also caused it to not render the first polygon that is added
3390                         // --blub
3391                         memcpy(polys->data_vertex3f + polys->num_vertices * 3, polys->begin_vertex[0], polys->begin_vertices * sizeof(float[3]));
3392                         memcpy(polys->data_color4f + polys->num_vertices * 4, polys->begin_color[0], polys->begin_vertices * sizeof(float[4]));
3393                         memcpy(polys->data_texcoord2f + polys->num_vertices * 2, polys->begin_texcoord[0], polys->begin_vertices * sizeof(float[2]));
3394                         for (i = 0;i < polys->begin_vertices-2;i++)
3395                         {
3396                                 polys->data_triangles[polys->num_triangles].texture = polys->begin_texture;
3397                                 polys->data_triangles[polys->num_triangles].drawflag = polys->begin_drawflag;
3398                                 polys->data_triangles[polys->num_triangles].elements[0] = polys->num_vertices;
3399                                 polys->data_triangles[polys->num_triangles].elements[1] = polys->num_vertices + i+1;
3400                                 polys->data_triangles[polys->num_triangles].elements[2] = polys->num_vertices + i+2;
3401                                 polys->data_triangles[polys->num_triangles].hasalpha = hasalpha;
3402                                 polys->num_triangles++;
3403                         }
3404                         polys->num_vertices += polys->begin_vertices;
3405                 }
3406         }
3407         polys->begin_active = false;
3408 }
3409
3410 // TODO: move this into the client code and clean-up everything else, too! [1/6/2008 Black]
3411 // LordHavoc: agreed, this is a mess
3412 void VM_CL_AddPolygonsToMeshQueue (prvm_prog_t *prog)
3413 {
3414         int i;
3415         vmpolygons_t *polys = &prog->vmpolygons;
3416         vec3_t center;
3417
3418         // only add polygons of the currently active prog to the queue - if there is none, we're done
3419         if( !prog )
3420                 return;
3421
3422         if (!polys->num_triangles)
3423                 return;
3424
3425         for (i = 0;i < polys->num_triangles;i++)
3426         {
3427                 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);
3428                 R_MeshQueue_AddTransparent(TRANSPARENTSORT_DISTANCE, center, VM_DrawPolygonCallback, (entity_render_t *)polys, i, NULL);
3429         }
3430
3431         /*polys->num_triangles = 0; // now done after rendering the scene,
3432           polys->num_vertices = 0;  // otherwise it's not rendered at all and prints an error message --blub */
3433 }
3434
3435 //void(string texturename, float flag[, float is2d]) R_BeginPolygon
3436 static void VM_CL_R_PolygonBegin (prvm_prog_t *prog)
3437 {
3438         const char              *picname;
3439         skinframe_t     *sf;
3440         vmpolygons_t *polys = &prog->vmpolygons;
3441         int tf;
3442
3443         // TODO instead of using skinframes here (which provides the benefit of
3444         // better management of flags, and is more suited for 3D rendering), what
3445         // about supporting Q3 shaders?
3446
3447         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_R_PolygonBegin);
3448
3449         if (!polys->initialized)
3450                 VM_InitPolygons(polys);
3451         if (polys->begin_active)
3452         {
3453                 VM_Warning(prog, "VM_CL_R_PolygonBegin: called twice without VM_CL_R_PolygonBegin after first\n");
3454                 return;
3455         }
3456         picname = PRVM_G_STRING(OFS_PARM0);
3457
3458         sf = NULL;
3459         if(*picname)
3460         {
3461                 tf = TEXF_ALPHA;
3462                 if((int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MIPMAP)
3463                         tf |= TEXF_MIPMAP;
3464
3465                 do
3466                 {
3467                         sf = R_SkinFrame_FindNextByName(sf, picname);
3468                 }
3469                 while(sf && sf->textureflags != tf);
3470
3471                 if(!sf || !sf->base)
3472                         sf = R_SkinFrame_LoadExternal(picname, tf, true);
3473
3474                 if(sf)
3475                         R_SkinFrame_MarkUsed(sf);
3476         }
3477
3478         polys->begin_texture = (sf && sf->base) ? sf->base : r_texture_white;
3479         polys->begin_texture_hasalpha = (sf && sf->base) ? sf->hasalpha : false;
3480         polys->begin_drawflag = (int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MASK;
3481         polys->begin_vertices = 0;
3482         polys->begin_active = true;
3483         polys->begin_draw2d = (prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : r_refdef.draw2dstage);
3484 }
3485
3486 //void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
3487 static void VM_CL_R_PolygonVertex (prvm_prog_t *prog)
3488 {
3489         vmpolygons_t *polys = &prog->vmpolygons;
3490
3491         VM_SAFEPARMCOUNT(4, VM_CL_R_PolygonVertex);
3492
3493         if (!polys->begin_active)
3494         {
3495                 VM_Warning(prog, "VM_CL_R_PolygonVertex: VM_CL_R_PolygonBegin wasn't called\n");
3496                 return;
3497         }
3498
3499         if (polys->begin_vertices >= VMPOLYGONS_MAXPOINTS)
3500         {
3501                 VM_Warning(prog, "VM_CL_R_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3502                 return;
3503         }
3504
3505         polys->begin_vertex[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM0)[0];
3506         polys->begin_vertex[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM0)[1];
3507         polys->begin_vertex[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM0)[2];
3508         polys->begin_texcoord[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM1)[0];
3509         polys->begin_texcoord[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM1)[1];
3510         polys->begin_color[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM2)[0];
3511         polys->begin_color[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM2)[1];
3512         polys->begin_color[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM2)[2];
3513         polys->begin_color[polys->begin_vertices][3] = PRVM_G_FLOAT(OFS_PARM3);
3514         polys->begin_vertices++;
3515 }
3516
3517 //void() R_EndPolygon
3518 static void VM_CL_R_PolygonEnd (prvm_prog_t *prog)
3519 {
3520         vmpolygons_t *polys = &prog->vmpolygons;
3521
3522         VM_SAFEPARMCOUNT(0, VM_CL_R_PolygonEnd);
3523         if (!polys->begin_active)
3524         {
3525                 VM_Warning(prog, "VM_CL_R_PolygonEnd: VM_CL_R_PolygonBegin wasn't called\n");
3526                 return;
3527         }
3528         polys->begin_active = false;
3529         if (polys->begin_vertices >= 3)
3530                 VMPolygons_Store(polys);
3531         else
3532                 VM_Warning(prog, "VM_CL_R_PolygonEnd: %i vertices isn't a good choice\n", polys->begin_vertices);
3533 }
3534
3535 static vmpolygons_t debugPolys;
3536
3537 void Debug_PolygonBegin(const char *picname, int drawflag)
3538 {
3539         if(!debugPolys.initialized)
3540                 VM_InitPolygons(&debugPolys);
3541         if(debugPolys.begin_active)
3542         {
3543                 Con_Printf("Debug_PolygonBegin: called twice without Debug_PolygonEnd after first\n");
3544                 return;
3545         }
3546         debugPolys.begin_texture = picname[0] ? Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT)->tex : r_texture_white;
3547         debugPolys.begin_drawflag = drawflag;
3548         debugPolys.begin_vertices = 0;
3549         debugPolys.begin_active = true;
3550 }
3551
3552 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a)
3553 {
3554         if(!debugPolys.begin_active)
3555         {
3556                 Con_Printf("Debug_PolygonVertex: Debug_PolygonBegin wasn't called\n");
3557                 return;
3558         }
3559
3560         if(debugPolys.begin_vertices > VMPOLYGONS_MAXPOINTS)
3561         {
3562                 Con_Printf("Debug_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3563                 return;
3564         }
3565
3566         debugPolys.begin_vertex[debugPolys.begin_vertices][0] = x;
3567         debugPolys.begin_vertex[debugPolys.begin_vertices][1] = y;
3568         debugPolys.begin_vertex[debugPolys.begin_vertices][2] = z;
3569         debugPolys.begin_texcoord[debugPolys.begin_vertices][0] = s;
3570         debugPolys.begin_texcoord[debugPolys.begin_vertices][1] = t;
3571         debugPolys.begin_color[debugPolys.begin_vertices][0] = r;
3572         debugPolys.begin_color[debugPolys.begin_vertices][1] = g;
3573         debugPolys.begin_color[debugPolys.begin_vertices][2] = b;
3574         debugPolys.begin_color[debugPolys.begin_vertices][3] = a;
3575         debugPolys.begin_vertices++;
3576 }
3577
3578 void Debug_PolygonEnd(void)
3579 {
3580         if (!debugPolys.begin_active)
3581         {
3582                 Con_Printf("Debug_PolygonEnd: Debug_PolygonBegin wasn't called\n");
3583                 return;
3584         }
3585         debugPolys.begin_active = false;
3586         if (debugPolys.begin_vertices >= 3)
3587                 VMPolygons_Store(&debugPolys);
3588         else
3589                 Con_Printf("Debug_PolygonEnd: %i vertices isn't a good choice\n", debugPolys.begin_vertices);
3590 }
3591
3592 /*
3593 =============
3594 CL_CheckBottom
3595
3596 Returns false if any part of the bottom of the entity is off an edge that
3597 is not a staircase.
3598
3599 =============
3600 */
3601 static qboolean CL_CheckBottom (prvm_edict_t *ent)
3602 {
3603         prvm_prog_t *prog = CLVM_prog;
3604         vec3_t  mins, maxs, start, stop;
3605         trace_t trace;
3606         int             x, y;
3607         float   mid, bottom;
3608
3609         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
3610         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
3611
3612 // if all of the points under the corners are solid world, don't bother
3613 // with the tougher checks
3614 // the corners must be within 16 of the midpoint
3615         start[2] = mins[2] - 1;
3616         for     (x=0 ; x<=1 ; x++)
3617                 for     (y=0 ; y<=1 ; y++)
3618                 {
3619                         start[0] = x ? maxs[0] : mins[0];
3620                         start[1] = y ? maxs[1] : mins[1];
3621                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
3622                                 goto realcheck;
3623                 }
3624
3625         return true;            // we got out easy
3626
3627 realcheck:
3628 //
3629 // check it for real...
3630 //
3631         start[2] = mins[2];
3632
3633 // the midpoint must be within 16 of the bottom
3634         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
3635         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
3636         stop[2] = start[2] - 2*sv_stepheight.value;
3637         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true, false);
3638
3639         if (trace.fraction == 1.0)
3640                 return false;
3641         mid = bottom = trace.endpos[2];
3642
3643 // the corners must be within 16 of the midpoint
3644         for     (x=0 ; x<=1 ; x++)
3645                 for     (y=0 ; y<=1 ; y++)
3646                 {
3647                         start[0] = stop[0] = x ? maxs[0] : mins[0];
3648                         start[1] = stop[1] = y ? maxs[1] : mins[1];
3649
3650                         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true, false);
3651
3652                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
3653                                 bottom = trace.endpos[2];
3654                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
3655                                 return false;
3656                 }
3657
3658         return true;
3659 }
3660
3661 /*
3662 =============
3663 CL_movestep
3664
3665 Called by monster program code.
3666 The move will be adjusted for slopes and stairs, but if the move isn't
3667 possible, no move is done and false is returned
3668 =============
3669 */
3670 static qboolean CL_movestep (prvm_edict_t *ent, vec3_t move, qboolean relink, qboolean noenemy, qboolean settrace)
3671 {
3672         prvm_prog_t *prog = CLVM_prog;
3673         float           dz;
3674         vec3_t          oldorg, neworg, end, traceendpos;
3675         vec3_t          mins, maxs, start;
3676         trace_t         trace;
3677         int                     i, svent;
3678         prvm_edict_t            *enemy;
3679
3680 // try the move
3681         VectorCopy(PRVM_clientedictvector(ent, mins), mins);
3682         VectorCopy(PRVM_clientedictvector(ent, maxs), maxs);
3683         VectorCopy (PRVM_clientedictvector(ent, origin), oldorg);
3684         VectorAdd (PRVM_clientedictvector(ent, origin), move, neworg);
3685
3686 // flying monsters don't step up
3687         if ( (int)PRVM_clientedictfloat(ent, flags) & (FL_SWIM | FL_FLY) )
3688         {
3689         // try one move with vertical motion, then one without
3690                 for (i=0 ; i<2 ; i++)
3691                 {
3692                         VectorAdd (PRVM_clientedictvector(ent, origin), move, neworg);
3693                         enemy = PRVM_PROG_TO_EDICT(PRVM_clientedictedict(ent, enemy));
3694                         if (i == 0 && enemy != prog->edicts)
3695                         {
3696                                 dz = PRVM_clientedictvector(ent, origin)[2] - PRVM_clientedictvector(PRVM_PROG_TO_EDICT(PRVM_clientedictedict(ent, enemy)), origin)[2];
3697                                 if (dz > 40)
3698                                         neworg[2] -= 8;
3699                                 if (dz < 30)
3700                                         neworg[2] += 8;
3701                         }
3702                         VectorCopy(PRVM_clientedictvector(ent, origin), start);
3703                         trace = CL_TraceBox(start, mins, maxs, neworg, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3704                         if (settrace)
3705                                 CL_VM_SetTraceGlobals(prog, &trace, svent);
3706
3707                         if (trace.fraction == 1)
3708                         {
3709                                 VectorCopy(trace.endpos, traceendpos);
3710                                 if (((int)PRVM_clientedictfloat(ent, flags) & FL_SWIM) && !(CL_PointSuperContents(traceendpos) & SUPERCONTENTS_LIQUIDSMASK))
3711                                         return false;   // swim monster left water
3712
3713                                 VectorCopy (traceendpos, PRVM_clientedictvector(ent, origin));
3714                                 if (relink)
3715                                         CL_LinkEdict(ent);
3716                                 return true;
3717                         }
3718
3719                         if (enemy == prog->edicts)
3720                                 break;
3721                 }
3722
3723                 return false;
3724         }
3725
3726 // push down from a step height above the wished position
3727         neworg[2] += sv_stepheight.value;
3728         VectorCopy (neworg, end);
3729         end[2] -= sv_stepheight.value*2;
3730
3731         trace = CL_TraceBox(neworg, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3732         if (settrace)
3733                 CL_VM_SetTraceGlobals(prog, &trace, svent);
3734
3735         if (trace.startsolid)
3736         {
3737                 neworg[2] -= sv_stepheight.value;
3738                 trace = CL_TraceBox(neworg, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3739                 if (settrace)
3740                         CL_VM_SetTraceGlobals(prog, &trace, svent);
3741                 if (trace.startsolid)
3742                         return false;
3743         }
3744         if (trace.fraction == 1)
3745         {
3746         // if monster had the ground pulled out, go ahead and fall
3747                 if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3748                 {
3749                         VectorAdd (PRVM_clientedictvector(ent, origin), move, PRVM_clientedictvector(ent, origin));
3750                         if (relink)
3751                                 CL_LinkEdict(ent);
3752                         PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) & ~FL_ONGROUND;
3753                         return true;
3754                 }
3755
3756                 return false;           // walked off an edge
3757         }
3758
3759 // check point traces down for dangling corners
3760         VectorCopy (trace.endpos, PRVM_clientedictvector(ent, origin));
3761
3762         if (!CL_CheckBottom (ent))
3763         {
3764                 if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3765                 {       // entity had floor mostly pulled out from underneath it
3766                         // and is trying to correct
3767                         if (relink)
3768                                 CL_LinkEdict(ent);
3769                         return true;
3770                 }
3771                 VectorCopy (oldorg, PRVM_clientedictvector(ent, origin));
3772                 return false;
3773         }
3774
3775         if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3776                 PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) & ~FL_PARTIALGROUND;
3777
3778         PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
3779
3780 // the move is ok
3781         if (relink)
3782                 CL_LinkEdict(ent);
3783         return true;
3784 }
3785
3786 /*
3787 ===============
3788 VM_CL_walkmove
3789
3790 float(float yaw, float dist[, settrace]) walkmove
3791 ===============
3792 */
3793 static void VM_CL_walkmove (prvm_prog_t *prog)
3794 {
3795         prvm_edict_t    *ent;
3796         float   yaw, dist;
3797         vec3_t  move;
3798         mfunction_t     *oldf;
3799         int     oldself;
3800         qboolean        settrace;
3801
3802         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_walkmove);
3803
3804         // assume failure if it returns early
3805         PRVM_G_FLOAT(OFS_RETURN) = 0;
3806
3807         ent = PRVM_PROG_TO_EDICT(PRVM_clientglobaledict(self));
3808         if (ent == prog->edicts)
3809         {
3810                 VM_Warning(prog, "walkmove: can not modify world entity\n");
3811                 return;
3812         }
3813         if (ent->priv.server->free)
3814         {
3815                 VM_Warning(prog, "walkmove: can not modify free entity\n");
3816                 return;
3817         }
3818         yaw = PRVM_G_FLOAT(OFS_PARM0);
3819         dist = PRVM_G_FLOAT(OFS_PARM1);
3820         settrace = prog->argc >= 3 && PRVM_G_FLOAT(OFS_PARM2);
3821
3822         if ( !( (int)PRVM_clientedictfloat(ent, flags) & (FL_ONGROUND|FL_FLY|FL_SWIM) ) )
3823                 return;
3824
3825         yaw = yaw*M_PI*2 / 360;
3826
3827         move[0] = cos(yaw)*dist;
3828         move[1] = sin(yaw)*dist;
3829         move[2] = 0;
3830
3831 // save program state, because CL_movestep may call other progs
3832         oldf = prog->xfunction;
3833         oldself = PRVM_clientglobaledict(self);
3834
3835         PRVM_G_FLOAT(OFS_RETURN) = CL_movestep(ent, move, true, false, settrace);
3836
3837
3838 // restore program state
3839         prog->xfunction = oldf;
3840         PRVM_clientglobaledict(self) = oldself;
3841 }
3842
3843 /*
3844 ===============
3845 VM_CL_serverkey
3846
3847 string(string key) serverkey
3848 ===============
3849 */
3850 static void VM_CL_serverkey(prvm_prog_t *prog)
3851 {
3852         char string[VM_STRINGTEMP_LENGTH];
3853         VM_SAFEPARMCOUNT(1, VM_CL_serverkey);
3854         InfoString_GetValue(cl.qw_serverinfo, PRVM_G_STRING(OFS_PARM0), string, sizeof(string));
3855         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
3856 }
3857
3858 /*
3859 =================
3860 VM_CL_checkpvs
3861
3862 Checks if an entity is in a point's PVS.
3863 Should be fast but can be inexact.
3864
3865 float checkpvs(vector viewpos, entity viewee) = #240;
3866 =================
3867 */
3868 static void VM_CL_checkpvs (prvm_prog_t *prog)
3869 {
3870         vec3_t viewpos;
3871         prvm_edict_t *viewee;
3872         vec3_t mi, ma;
3873 #if 1
3874         unsigned char *pvs;
3875 #else
3876         int fatpvsbytes;
3877         unsigned char fatpvs[MAX_MAP_LEAFS/8];
3878 #endif
3879
3880         VM_SAFEPARMCOUNT(2, VM_SV_checkpvs);
3881         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), viewpos);
3882         viewee = PRVM_G_EDICT(OFS_PARM1);
3883
3884         if(viewee->priv.required->free)
3885         {
3886                 VM_Warning(prog, "checkpvs: can not check free entity\n");
3887                 PRVM_G_FLOAT(OFS_RETURN) = 4;
3888                 return;
3889         }
3890
3891         VectorAdd(PRVM_serveredictvector(viewee, origin), PRVM_serveredictvector(viewee, mins), mi);
3892         VectorAdd(PRVM_serveredictvector(viewee, origin), PRVM_serveredictvector(viewee, maxs), ma);
3893
3894 #if 1
3895         if(!cl.worldmodel || !cl.worldmodel->brush.GetPVS || !cl.worldmodel->brush.BoxTouchingPVS)
3896         {
3897                 // no PVS support on this worldmodel... darn
3898                 PRVM_G_FLOAT(OFS_RETURN) = 3;
3899                 return;
3900        &