Add GL_ExtensionSupported in vid_null.c because vid_shared.c relies on
[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                           fvolume;
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         fvolume = PRVM_G_FLOAT(OFS_PARM3);
187         attenuation = PRVM_G_FLOAT(OFS_PARM4);
188
189         if (fvolume < 0 || fvolume > 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 | CHANNELFLAG_FULLVOLUME);
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, fvolume, 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                           fvolume;
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         fvolume = PRVM_G_FLOAT(OFS_PARM2);
248         attenuation = PRVM_G_FLOAT(OFS_PARM3);
249
250         if (fvolume < 0 || fvolume > 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, fvolume, 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), 0, 0, collision_extendtracelinelength.value, 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), 0, 0, collision_extendtraceboxlength.value, 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), 0, 0, collision_extendmovelength.value, 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), 0, 0, collision_extendmovelength.value, 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), 0, 0, collision_extendmovelength.value, 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), 0, 0, collision_extendmovelength.value, 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(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         int flags = prog->argc >= 2 ? PRVM_G_FLOAT(OFS_PARM1) : LP_LIGHTMAP;
700
701         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getlight);
702
703         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), p);
704         R_CompleteLightPoint(ambientcolor, diffusecolor, diffusenormal, p, flags, r_refdef.scene.lightmapintensity, r_refdef.scene.ambientintensity);
705         VectorMA(ambientcolor, 0.5, diffusecolor, PRVM_G_VECTOR(OFS_RETURN));
706         if (PRVM_clientglobalvector(getlight_ambient))
707                 VectorCopy(ambientcolor, PRVM_clientglobalvector(getlight_ambient));
708         if (PRVM_clientglobalvector(getlight_diffuse))
709                 VectorCopy(diffusecolor, PRVM_clientglobalvector(getlight_diffuse));
710         if (PRVM_clientglobalvector(getlight_dir))
711                 VectorCopy(diffusenormal, PRVM_clientglobalvector(getlight_dir));
712 }
713
714 //============================================================================
715 //[515]: SCENE MANAGER builtins
716
717 extern cvar_t v_yshearing;
718 void CSQC_R_RecalcView (void)
719 {
720         extern matrix4x4_t viewmodelmatrix_nobob;
721         extern matrix4x4_t viewmodelmatrix_withbob;
722         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);
723         if (v_yshearing.value > 0)
724                 Matrix4x4_QuakeToDuke3D(&r_refdef.view.matrix, &r_refdef.view.matrix, v_yshearing.value);
725         Matrix4x4_Copy(&viewmodelmatrix_nobob, &r_refdef.view.matrix);
726         Matrix4x4_ConcatScale(&viewmodelmatrix_nobob, cl_viewmodel_scale.value);
727         Matrix4x4_Concat(&viewmodelmatrix_withbob, &r_refdef.view.matrix, &cl.csqc_viewmodelmatrixfromengine);
728 }
729
730 //#300 void() clearscene (EXT_CSQC)
731 static void VM_CL_R_ClearScene (prvm_prog_t *prog)
732 {
733         VM_SAFEPARMCOUNT(0, VM_CL_R_ClearScene);
734         // clear renderable entity and light lists
735         r_refdef.scene.numentities = 0;
736         r_refdef.scene.numlights = 0;
737         // restore the view settings to the values that VM_CL_UpdateView received from the client code
738         r_refdef.view = csqc_original_r_refdef_view;
739         // polygonbegin without draw2d arg has to guess
740         prog->polygonbegin_guess2d = false;
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
759         PRVM_clientglobalfloat(time) = cl.time;
760         for(i=1;i<prog->num_edicts;i++)
761         {
762                 // so we can easily check if CSQC entity #edictnum is currently drawn
763                 cl.csqcrenderentities[i].entitynumber = 0;
764                 ed = &prog->edicts[i];
765                 if(ed->priv.required->free)
766                         continue;
767                 CSQC_Think(ed);
768                 if(ed->priv.required->free)
769                         continue;
770                 // note that for RF_USEAXIS entities, Predraw sets v_forward/v_right/v_up globals that are read by CSQC_AddRenderEdict
771                 CSQC_Predraw(ed);
772                 if(ed->priv.required->free)
773                         continue;
774                 if(!((int)PRVM_clientedictfloat(ed, drawmask) & drawmask))
775                         continue;
776                 CSQC_AddRenderEdict(ed, i);
777         }
778
779         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
780         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
781         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
782 }
783
784 //#302 void(entity ent) addentity (EXT_CSQC)
785 static void VM_CL_R_AddEntity (prvm_prog_t *prog)
786 {
787         double t = Sys_DirtyTime();
788         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntity);
789         CSQC_AddRenderEdict(PRVM_G_EDICT(OFS_PARM0), 0);
790         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
791         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
792 }
793
794 //#303 float(float property, ...) setproperty (EXT_CSQC)
795 //#303 float(float property) getproperty
796 //#303 vector(float property) getpropertyvec
797 //#309 float(float property) getproperty
798 //#309 vector(float property) getpropertyvec
799 // VorteX: make this function be able to return previously set property if new value is not given
800 static void VM_CL_R_SetView (prvm_prog_t *prog)
801 {
802         int             c;
803         prvm_vec_t      *f;
804         float   k;
805
806         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_R_SetView);
807
808         c = (int)PRVM_G_FLOAT(OFS_PARM0);
809
810         // return value?
811         if (prog->argc < 2)
812         {
813                 switch(c)
814                 {
815                 case VF_MIN:
816                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.x, r_refdef.view.y, 0);
817                         break;
818                 case VF_MIN_X:
819                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.x;
820                         break;
821                 case VF_MIN_Y:
822                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.y;
823                         break;
824                 case VF_SIZE:
825                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.width, r_refdef.view.height, 0);
826                         break;
827                 case VF_SIZE_X:
828                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.width;
829                         break;
830                 case VF_SIZE_Y:
831                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.height;
832                         break;
833                 case VF_VIEWPORT:
834                         VM_Warning(prog, "VM_CL_R_GetView : VF_VIEWPORT can't be retrieved, use VF_MIN/VF_SIZE instead\n");
835                         break;
836                 case VF_FOV:
837                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.ortho_x, r_refdef.view.ortho_y, 0);
838                         break;
839                 case VF_FOVX:
840                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_x;
841                         break;
842                 case VF_FOVY:
843                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_y;
844                         break;
845                 case VF_ORIGIN:
846                         VectorCopy(cl.csqc_vieworigin, PRVM_G_VECTOR(OFS_RETURN));
847                         break;
848                 case VF_ORIGIN_X:
849                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[0];
850                         break;
851                 case VF_ORIGIN_Y:
852                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[1];
853                         break;
854                 case VF_ORIGIN_Z:
855                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[2];
856                         break;
857                 case VF_ANGLES:
858                         VectorCopy(cl.csqc_viewangles, PRVM_G_VECTOR(OFS_RETURN));
859                         break;
860                 case VF_ANGLES_X:
861                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[0];
862                         break;
863                 case VF_ANGLES_Y:
864                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[1];
865                         break;
866                 case VF_ANGLES_Z:
867                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[2];
868                         break;
869                 case VF_DRAWWORLD:
870                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawworld;
871                         break;
872                 case VF_DRAWENGINESBAR:
873                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawenginesbar;
874                         break;
875                 case VF_DRAWCROSSHAIR:
876                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawcrosshair;
877                         break;
878                 case VF_CL_VIEWANGLES:
879                         VectorCopy(cl.viewangles, PRVM_G_VECTOR(OFS_RETURN));;
880                         break;
881                 case VF_CL_VIEWANGLES_X:
882                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[0];
883                         break;
884                 case VF_CL_VIEWANGLES_Y:
885                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[1];
886                         break;
887                 case VF_CL_VIEWANGLES_Z:
888                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[2];
889                         break;
890                 case VF_PERSPECTIVE:
891                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.useperspective;
892                         break;
893                 case VF_CLEARSCREEN:
894                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.isoverlay;
895                         break;
896                 case VF_MAINVIEW:
897                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
898                         break;
899                 case VF_FOG_DENSITY:
900                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_density;
901                         break;
902                 case VF_FOG_COLOR:
903                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
904                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
905                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
906                         break;
907                 case VF_FOG_COLOR_R:
908                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
909                         break;
910                 case VF_FOG_COLOR_G:
911                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
912                         break;
913                 case VF_FOG_COLOR_B:
914                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
915                         break;
916                 case VF_FOG_ALPHA:
917                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_alpha;
918                         break;
919                 case VF_FOG_START:
920                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_start;
921                         break;
922                 case VF_FOG_END:
923                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_end;
924                         break;
925                 case VF_FOG_HEIGHT:
926                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_height;
927                         break;
928                 case VF_FOG_FADEDEPTH:
929                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_fadedepth;
930                         break;
931                 case VF_MINFPS_QUALITY:
932                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.quality;
933                         break;
934                 default:
935                         PRVM_G_FLOAT(OFS_RETURN) = 0;
936                         VM_Warning(prog, "VM_CL_R_GetView : unknown parm %i\n", c);
937                         return;
938                 }
939                 return;
940         }
941
942         f = PRVM_G_VECTOR(OFS_PARM1);
943         k = PRVM_G_FLOAT(OFS_PARM1);
944         switch(c)
945         {
946         case VF_MIN:
947                 r_refdef.view.x = (int)(f[0]);
948                 r_refdef.view.y = (int)(f[1]);
949                 DrawQ_RecalcView();
950                 break;
951         case VF_MIN_X:
952                 r_refdef.view.x = (int)(k);
953                 DrawQ_RecalcView();
954                 break;
955         case VF_MIN_Y:
956                 r_refdef.view.y = (int)(k);
957                 DrawQ_RecalcView();
958                 break;
959         case VF_SIZE:
960                 r_refdef.view.width = (int)(f[0]);
961                 r_refdef.view.height = (int)(f[1]);
962                 DrawQ_RecalcView();
963                 break;
964         case VF_SIZE_X:
965                 r_refdef.view.width = (int)(k);
966                 DrawQ_RecalcView();
967                 break;
968         case VF_SIZE_Y:
969                 r_refdef.view.height = (int)(k);
970                 DrawQ_RecalcView();
971                 break;
972         case VF_VIEWPORT:
973                 r_refdef.view.x = (int)(f[0]);
974                 r_refdef.view.y = (int)(f[1]);
975                 f = PRVM_G_VECTOR(OFS_PARM2);
976                 r_refdef.view.width = (int)(f[0]);
977                 r_refdef.view.height = (int)(f[1]);
978                 DrawQ_RecalcView();
979                 break;
980         case VF_FOV:
981                 r_refdef.view.frustum_x = tan(f[0] * M_PI / 360.0);r_refdef.view.ortho_x = f[0];
982                 r_refdef.view.frustum_y = tan(f[1] * M_PI / 360.0);r_refdef.view.ortho_y = f[1];
983                 break;
984         case VF_FOVX:
985                 r_refdef.view.frustum_x = tan(k * M_PI / 360.0);r_refdef.view.ortho_x = k;
986                 break;
987         case VF_FOVY:
988                 r_refdef.view.frustum_y = tan(k * M_PI / 360.0);r_refdef.view.ortho_y = k;
989                 break;
990         case VF_ORIGIN:
991                 VectorCopy(f, cl.csqc_vieworigin);
992                 CSQC_R_RecalcView();
993                 break;
994         case VF_ORIGIN_X:
995                 cl.csqc_vieworigin[0] = k;
996                 CSQC_R_RecalcView();
997                 break;
998         case VF_ORIGIN_Y:
999                 cl.csqc_vieworigin[1] = k;
1000                 CSQC_R_RecalcView();
1001                 break;
1002         case VF_ORIGIN_Z:
1003                 cl.csqc_vieworigin[2] = k;
1004                 CSQC_R_RecalcView();
1005                 break;
1006         case VF_ANGLES:
1007                 VectorCopy(f, cl.csqc_viewangles);
1008                 CSQC_R_RecalcView();
1009                 break;
1010         case VF_ANGLES_X:
1011                 cl.csqc_viewangles[0] = k;
1012                 CSQC_R_RecalcView();
1013                 break;
1014         case VF_ANGLES_Y:
1015                 cl.csqc_viewangles[1] = k;
1016                 CSQC_R_RecalcView();
1017                 break;
1018         case VF_ANGLES_Z:
1019                 cl.csqc_viewangles[2] = k;
1020                 CSQC_R_RecalcView();
1021                 break;
1022         case VF_DRAWWORLD:
1023                 cl.csqc_vidvars.drawworld = ((k != 0) && r_drawworld.integer);
1024                 break;
1025         case VF_DRAWENGINESBAR:
1026                 cl.csqc_vidvars.drawenginesbar = k != 0;
1027                 break;
1028         case VF_DRAWCROSSHAIR:
1029                 cl.csqc_vidvars.drawcrosshair = k != 0;
1030                 break;
1031         case VF_CL_VIEWANGLES:
1032                 VectorCopy(f, cl.viewangles);
1033                 break;
1034         case VF_CL_VIEWANGLES_X:
1035                 cl.viewangles[0] = k;
1036                 break;
1037         case VF_CL_VIEWANGLES_Y:
1038                 cl.viewangles[1] = k;
1039                 break;
1040         case VF_CL_VIEWANGLES_Z:
1041                 cl.viewangles[2] = k;
1042                 break;
1043         case VF_PERSPECTIVE:
1044                 r_refdef.view.useperspective = k != 0;
1045                 break;
1046         case VF_CLEARSCREEN:
1047                 r_refdef.view.isoverlay = !k;
1048                 break;
1049         case VF_MAINVIEW:
1050                 PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
1051                 break;
1052         case VF_FOG_DENSITY:
1053                 r_refdef.fog_density = k;
1054                 break;
1055         case VF_FOG_COLOR:
1056                 r_refdef.fog_red = f[0];
1057                 r_refdef.fog_green = f[1];
1058                 r_refdef.fog_blue = f[2];
1059                 break;
1060         case VF_FOG_COLOR_R:
1061                 r_refdef.fog_red = k;
1062                 break;
1063         case VF_FOG_COLOR_G:
1064                 r_refdef.fog_green = k;
1065                 break;
1066         case VF_FOG_COLOR_B:
1067                 r_refdef.fog_blue = k;
1068                 break;
1069         case VF_FOG_ALPHA:
1070                 r_refdef.fog_alpha = k;
1071                 break;
1072         case VF_FOG_START:
1073                 r_refdef.fog_start = k;
1074                 break;
1075         case VF_FOG_END:
1076                 r_refdef.fog_end = k;
1077                 break;
1078         case VF_FOG_HEIGHT:
1079                 r_refdef.fog_height = k;
1080                 break;
1081         case VF_FOG_FADEDEPTH:
1082                 r_refdef.fog_fadedepth = k;
1083                 break;
1084         case VF_MINFPS_QUALITY:
1085                 r_refdef.view.quality = k;
1086                 break;
1087         default:
1088                 PRVM_G_FLOAT(OFS_RETURN) = 0;
1089                 VM_Warning(prog, "VM_CL_R_SetView : unknown parm %i\n", c);
1090                 return;
1091         }
1092         PRVM_G_FLOAT(OFS_RETURN) = 1;
1093 }
1094
1095 //#305 void(vector org, float radius, vector lightcolours[, float style, string cubemapname, float pflags]) adddynamiclight (EXT_CSQC)
1096 static void VM_CL_R_AddDynamicLight (prvm_prog_t *prog)
1097 {
1098         double t = Sys_DirtyTime();
1099         vec3_t org;
1100         float radius = 300;
1101         vec3_t col;
1102         int style = -1;
1103         const char *cubemapname = NULL;
1104         int pflags = PFLAGS_CORONA | PFLAGS_FULLDYNAMIC;
1105         float coronaintensity = 1;
1106         float coronasizescale = 0.25;
1107         qboolean castshadow = true;
1108         float ambientscale = 0;
1109         float diffusescale = 1;
1110         float specularscale = 1;
1111         matrix4x4_t matrix;
1112         vec3_t forward, left, up;
1113         VM_SAFEPARMCOUNTRANGE(3, 8, VM_CL_R_AddDynamicLight);
1114
1115         // if we've run out of dlights, just return
1116         if (r_refdef.scene.numlights >= MAX_DLIGHTS)
1117                 return;
1118
1119         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
1120         radius = PRVM_G_FLOAT(OFS_PARM1);
1121         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), col);
1122         if (prog->argc >= 4)
1123         {
1124                 style = (int)PRVM_G_FLOAT(OFS_PARM3);
1125                 if (style >= MAX_LIGHTSTYLES)
1126                 {
1127                         Con_DPrintf("VM_CL_R_AddDynamicLight: out of bounds lightstyle index %i\n", style);
1128                         style = -1;
1129                 }
1130         }
1131         if (prog->argc >= 5)
1132                 cubemapname = PRVM_G_STRING(OFS_PARM4);
1133         if (prog->argc >= 6)
1134                 pflags = (int)PRVM_G_FLOAT(OFS_PARM5);
1135         coronaintensity = (pflags & PFLAGS_CORONA) != 0;
1136         castshadow = (pflags & PFLAGS_NOSHADOW) == 0;
1137
1138         VectorScale(PRVM_clientglobalvector(v_forward), radius, forward);
1139         VectorScale(PRVM_clientglobalvector(v_right), -radius, left);
1140         VectorScale(PRVM_clientglobalvector(v_up), radius, up);
1141         Matrix4x4_FromVectors(&matrix, forward, left, up, org);
1142
1143         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);
1144         r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1145         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
1146         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
1147 }
1148
1149 //============================================================================
1150
1151 //#310 vector (vector v) cs_unproject (EXT_CSQC)
1152 static void VM_CL_unproject (prvm_prog_t *prog)
1153 {
1154         vec3_t f;
1155         vec3_t temp;
1156         vec3_t result;
1157
1158         VM_SAFEPARMCOUNT(1, VM_CL_unproject);
1159         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), f);
1160         VectorSet(temp,
1161                 f[2],
1162                 (-1.0 + 2.0 * (f[0] / vid_conwidth.integer)) * f[2] * -r_refdef.view.frustum_x,
1163                 (-1.0 + 2.0 * (f[1] / vid_conheight.integer)) * f[2] * -r_refdef.view.frustum_y);
1164         if(v_flipped.integer)
1165                 temp[1] = -temp[1];
1166         Matrix4x4_Transform(&r_refdef.view.matrix, temp, result);
1167         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
1168 }
1169
1170 //#311 vector (vector v) cs_project (EXT_CSQC)
1171 static void VM_CL_project (prvm_prog_t *prog)
1172 {
1173         vec3_t f;
1174         vec3_t v;
1175         matrix4x4_t m;
1176
1177         VM_SAFEPARMCOUNT(1, VM_CL_project);
1178         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), f);
1179         Matrix4x4_Invert_Full(&m, &r_refdef.view.matrix);
1180         Matrix4x4_Transform(&m, f, v);
1181         if(v_flipped.integer)
1182                 v[1] = -v[1];
1183         VectorSet(PRVM_G_VECTOR(OFS_RETURN),
1184                 vid_conwidth.integer * (0.5*(1.0+v[1]/v[0]/-r_refdef.view.frustum_x)),
1185                 vid_conheight.integer * (0.5*(1.0+v[2]/v[0]/-r_refdef.view.frustum_y)),
1186                 v[0]);
1187         // explanation:
1188         // after transforming, relative position to viewport (0..1) = 0.5 * (1 + v[2]/v[0]/-frustum_{x \or y})
1189         // as 2D drawing honors the viewport too, to get the same pixel, we simply multiply this by conwidth/height
1190 }
1191
1192 //#330 float(float stnum) getstatf (EXT_CSQC)
1193 static void VM_CL_getstatf (prvm_prog_t *prog)
1194 {
1195         int i;
1196         union
1197         {
1198                 float f;
1199                 int l;
1200         }dat;
1201         VM_SAFEPARMCOUNT(1, VM_CL_getstatf);
1202         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1203         if(i < 0 || i >= MAX_CL_STATS)
1204         {
1205                 VM_Warning(prog, "VM_CL_getstatf: index>=MAX_CL_STATS or index<0\n");
1206                 return;
1207         }
1208         dat.l = cl.stats[i];
1209         PRVM_G_FLOAT(OFS_RETURN) =  dat.f;
1210 }
1211
1212 //#331 float(float stnum) getstati (EXT_CSQC)
1213 static void VM_CL_getstati (prvm_prog_t *prog)
1214 {
1215         int i, index;
1216         int firstbit, bitcount;
1217
1218         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getstati);
1219
1220         index = (int)PRVM_G_FLOAT(OFS_PARM0);
1221         if (prog->argc > 1)
1222         {
1223                 firstbit = (int)PRVM_G_FLOAT(OFS_PARM1);
1224                 if (prog->argc > 2)
1225                         bitcount = (int)PRVM_G_FLOAT(OFS_PARM2);
1226                 else
1227                         bitcount = 1;
1228         }
1229         else
1230         {
1231                 firstbit = 0;
1232                 bitcount = 32;
1233         }
1234
1235         if(index < 0 || index >= MAX_CL_STATS)
1236         {
1237                 VM_Warning(prog, "VM_CL_getstati: index>=MAX_CL_STATS or index<0\n");
1238                 return;
1239         }
1240         i = cl.stats[index];
1241         if (bitcount != 32)     //32 causes the mask to overflow, so there's nothing to subtract from.
1242                 i = (((unsigned int)i)&(((1<<bitcount)-1)<<firstbit))>>firstbit;
1243         PRVM_G_FLOAT(OFS_RETURN) = i;
1244 }
1245
1246 //#332 string(float firststnum) getstats (EXT_CSQC)
1247 static void VM_CL_getstats (prvm_prog_t *prog)
1248 {
1249         int i;
1250         char t[17];
1251         VM_SAFEPARMCOUNT(1, VM_CL_getstats);
1252         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1253         if(i < 0 || i > MAX_CL_STATS-4)
1254         {
1255                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1256                 VM_Warning(prog, "VM_CL_getstats: index>MAX_CL_STATS-4 or index<0\n");
1257                 return;
1258         }
1259         strlcpy(t, (char*)&cl.stats[i], sizeof(t));
1260         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1261 }
1262
1263 //#333 void(entity e, float mdlindex) setmodelindex (EXT_CSQC)
1264 static void VM_CL_setmodelindex (prvm_prog_t *prog)
1265 {
1266         int                             i;
1267         prvm_edict_t    *t;
1268         struct model_s  *model;
1269
1270         VM_SAFEPARMCOUNT(2, VM_CL_setmodelindex);
1271
1272         t = PRVM_G_EDICT(OFS_PARM0);
1273
1274         i = (int)PRVM_G_FLOAT(OFS_PARM1);
1275
1276         PRVM_clientedictstring(t, model) = 0;
1277         PRVM_clientedictfloat(t, modelindex) = 0;
1278
1279         if (!i)
1280                 return;
1281
1282         model = CL_GetModelByIndex(i);
1283         if (!model)
1284         {
1285                 VM_Warning(prog, "VM_CL_setmodelindex: null model\n");
1286                 return;
1287         }
1288         PRVM_clientedictstring(t, model) = PRVM_SetEngineString(prog, model->name);
1289         PRVM_clientedictfloat(t, modelindex) = i;
1290
1291         // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
1292         if (model)
1293         {
1294                 SetMinMaxSize (prog, t, model->normalmins, model->normalmaxs);
1295         }
1296         else
1297                 SetMinMaxSize (prog, t, vec3_origin, vec3_origin);
1298 }
1299
1300 //#334 string(float mdlindex) modelnameforindex (EXT_CSQC)
1301 static void VM_CL_modelnameforindex (prvm_prog_t *prog)
1302 {
1303         dp_model_t *model;
1304
1305         VM_SAFEPARMCOUNT(1, VM_CL_modelnameforindex);
1306
1307         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1308         model = CL_GetModelByIndex((int)PRVM_G_FLOAT(OFS_PARM0));
1309         PRVM_G_INT(OFS_RETURN) = model ? PRVM_SetEngineString(prog, model->name) : 0;
1310 }
1311
1312 //#335 float(string effectname) particleeffectnum (EXT_CSQC)
1313 static void VM_CL_particleeffectnum (prvm_prog_t *prog)
1314 {
1315         int                     i;
1316         VM_SAFEPARMCOUNT(1, VM_CL_particleeffectnum);
1317         i = CL_ParticleEffectIndexForName(PRVM_G_STRING(OFS_PARM0));
1318         if (i == 0)
1319                 i = -1;
1320         PRVM_G_FLOAT(OFS_RETURN) = i;
1321 }
1322
1323 // #336 void(entity ent, float effectnum, vector start, vector end[, float color]) trailparticles (EXT_CSQC)
1324 static void VM_CL_trailparticles (prvm_prog_t *prog)
1325 {
1326         int                             i;
1327         vec3_t                  start, end, velocity;
1328         prvm_edict_t    *t;
1329         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_trailparticles);
1330
1331         t = PRVM_G_EDICT(OFS_PARM0);
1332         i               = (int)PRVM_G_FLOAT(OFS_PARM1);
1333         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), start);
1334         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), end);
1335         VectorCopy(PRVM_clientedictvector(t, velocity), velocity);
1336
1337         if (i < 0)
1338                 return;
1339         CL_ParticleTrail(i, 1, start, end, velocity, velocity, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0, true, true, NULL, NULL, 1);
1340 }
1341
1342 //#337 void(float effectnum, vector origin, vector dir, float count[, float color]) pointparticles (EXT_CSQC)
1343 static void VM_CL_pointparticles (prvm_prog_t *prog)
1344 {
1345         int                     i;
1346         float n;
1347         vec3_t f, v;
1348         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_pointparticles);
1349         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1350         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f);
1351         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), v);
1352         n = PRVM_G_FLOAT(OFS_PARM3);
1353         if (i < 0)
1354                 return;
1355         CL_ParticleEffect(i, n, f, f, v, v, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1356 }
1357
1358 //#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)
1359 static void VM_CL_boxparticles (prvm_prog_t *prog)
1360 {
1361         int effectnum;
1362         // prvm_edict_t *own;
1363         vec3_t origin_from, origin_to, dir_from, dir_to;
1364         float count;
1365         int flags;
1366         qboolean istrail;
1367         float tintmins[4], tintmaxs[4], fade;
1368         VM_SAFEPARMCOUNTRANGE(7, 8, VM_CL_boxparticles);
1369
1370         effectnum = (int)PRVM_G_FLOAT(OFS_PARM0);
1371         if (effectnum < 0)
1372                 return;
1373         // own = PRVM_G_EDICT(OFS_PARM1); // TODO find use for this
1374         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), origin_from);
1375         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), origin_to  );
1376         VectorCopy(PRVM_G_VECTOR(OFS_PARM4), dir_from   );
1377         VectorCopy(PRVM_G_VECTOR(OFS_PARM5), dir_to     );
1378         count = PRVM_G_FLOAT(OFS_PARM6);
1379         if(prog->argc >= 8)
1380                 flags = PRVM_G_FLOAT(OFS_PARM7);
1381         else
1382                 flags = 0;
1383
1384         Vector4Set(tintmins, 1, 1, 1, 1);
1385         Vector4Set(tintmaxs, 1, 1, 1, 1);
1386         fade = 1;
1387         istrail = false;
1388
1389         if(flags & 1) // read alpha
1390         {
1391                 tintmins[3] = PRVM_clientglobalfloat(particles_alphamin);
1392                 tintmaxs[3] = PRVM_clientglobalfloat(particles_alphamax);
1393         }
1394         if(flags & 2) // read color
1395         {
1396                 VectorCopy(PRVM_clientglobalvector(particles_colormin), tintmins);
1397                 VectorCopy(PRVM_clientglobalvector(particles_colormax), tintmaxs);
1398         }
1399         if(flags & 4) // read fade
1400         {
1401                 fade = PRVM_clientglobalfloat(particles_fade);
1402         }
1403         if(flags & 128) // draw as trail
1404         {
1405                 istrail = true;
1406         }
1407
1408         if (istrail)
1409                 CL_ParticleTrail(effectnum, count, origin_from, origin_to, dir_from, dir_to, NULL, 0, true, true, tintmins, tintmaxs, fade);
1410         else
1411                 CL_ParticleBox(effectnum, count, origin_from, origin_to, dir_from, dir_to, NULL, 0, true, true, tintmins, tintmaxs, fade);
1412 }
1413
1414 //#531 void(float pause) setpause
1415 static void VM_CL_setpause(prvm_prog_t *prog)
1416 {
1417         VM_SAFEPARMCOUNT(1, VM_CL_setpause);
1418         if ((int)PRVM_G_FLOAT(OFS_PARM0) != 0)
1419                 cl.csqc_paused = true;
1420         else
1421                 cl.csqc_paused = false;
1422 }
1423
1424 //#343 void(float usecursor) setcursormode (DP_CSQC)
1425 static void VM_CL_setcursormode (prvm_prog_t *prog)
1426 {
1427         VM_SAFEPARMCOUNT(1, VM_CL_setcursormode);
1428         cl.csqc_wantsmousemove = PRVM_G_FLOAT(OFS_PARM0) != 0;
1429         cl_ignoremousemoves = 2;
1430 }
1431
1432 //#344 vector() getmousepos (DP_CSQC)
1433 static void VM_CL_getmousepos(prvm_prog_t *prog)
1434 {
1435         VM_SAFEPARMCOUNT(0,VM_CL_getmousepos);
1436
1437         if (key_consoleactive || key_dest != key_game)
1438                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), 0, 0, 0);
1439         else if (cl.csqc_wantsmousemove)
1440                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_windowmouse_x * vid_conwidth.integer / vid.width, in_windowmouse_y * vid_conheight.integer / vid.height, 0);
1441         else
1442                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_mouse_x * vid_conwidth.integer / vid.width, in_mouse_y * vid_conheight.integer / vid.height, 0);
1443 }
1444
1445 //#345 float(float framenum) getinputstate (EXT_CSQC)
1446 static void VM_CL_getinputstate (prvm_prog_t *prog)
1447 {
1448         unsigned int i, frame;
1449         VM_SAFEPARMCOUNT(1, VM_CL_getinputstate);
1450         frame = (unsigned int)PRVM_G_FLOAT(OFS_PARM0);
1451         PRVM_G_FLOAT(OFS_RETURN) = false;
1452         for (i = 0;i < CL_MAX_USERCMDS;i++)
1453         {
1454                 if (cl.movecmd[i].sequence == frame)
1455                 {
1456                         VectorCopy(cl.movecmd[i].viewangles, PRVM_clientglobalvector(input_angles));
1457                         PRVM_clientglobalfloat(input_buttons) = cl.movecmd[i].buttons; // FIXME: this should not be directly exposed to csqc (translation layer needed?)
1458                         PRVM_clientglobalvector(input_movevalues)[0] = cl.movecmd[i].forwardmove;
1459                         PRVM_clientglobalvector(input_movevalues)[1] = cl.movecmd[i].sidemove;
1460                         PRVM_clientglobalvector(input_movevalues)[2] = cl.movecmd[i].upmove;
1461                         PRVM_clientglobalfloat(input_timelength) = cl.movecmd[i].frametime;
1462                         // this probably shouldn't be here
1463                         if(cl.movecmd[i].crouch)
1464                         {
1465                                 VectorCopy(cl.playercrouchmins, PRVM_clientglobalvector(pmove_mins));
1466                                 VectorCopy(cl.playercrouchmaxs, PRVM_clientglobalvector(pmove_maxs));
1467                         }
1468                         else
1469                         {
1470                                 VectorCopy(cl.playerstandmins, PRVM_clientglobalvector(pmove_mins));
1471                                 VectorCopy(cl.playerstandmaxs, PRVM_clientglobalvector(pmove_maxs));
1472                         }
1473                         PRVM_G_FLOAT(OFS_RETURN) = true;
1474                 }
1475         }
1476 }
1477
1478 //#346 void(float sens) setsensitivityscaler (EXT_CSQC)
1479 static void VM_CL_setsensitivityscale (prvm_prog_t *prog)
1480 {
1481         VM_SAFEPARMCOUNT(1, VM_CL_setsensitivityscale);
1482         cl.sensitivityscale = PRVM_G_FLOAT(OFS_PARM0);
1483 }
1484
1485 //#347 void() runstandardplayerphysics (EXT_CSQC)
1486 #define PMF_JUMP_HELD 1 // matches FTEQW
1487 #define PMF_LADDER 2 // not used by DP, FTEQW sets this in runplayerphysics but does not read it
1488 #define PMF_DUCKED 4 // FIXME FTEQW doesn't have this for Q1 like movement because Q1 cannot crouch
1489 #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
1490 static void VM_CL_runplayerphysics (prvm_prog_t *prog)
1491 {
1492         cl_clientmovement_state_t s;
1493         prvm_edict_t *ent;
1494
1495         memset(&s, 0, sizeof(s));
1496
1497         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_runplayerphysics);
1498
1499         ent = (prog->argc == 1 ? PRVM_G_EDICT(OFS_PARM0) : prog->edicts);
1500         if(ent == prog->edicts)
1501         {
1502                 // deprecated use
1503                 s.self = NULL;
1504                 VectorCopy(PRVM_clientglobalvector(pmove_org), s.origin);
1505                 VectorCopy(PRVM_clientglobalvector(pmove_vel), s.velocity);
1506                 VectorCopy(PRVM_clientglobalvector(pmove_mins), s.mins);
1507                 VectorCopy(PRVM_clientglobalvector(pmove_maxs), s.maxs);
1508                 s.crouched = 0;
1509                 s.waterjumptime = PRVM_clientglobalfloat(pmove_waterjumptime);
1510                 s.cmd.canjump = (int)PRVM_clientglobalfloat(pmove_jump_held) == 0;
1511         }
1512         else
1513         {
1514                 // new use
1515                 s.self = ent;
1516                 VectorCopy(PRVM_clientedictvector(ent, origin), s.origin);
1517                 VectorCopy(PRVM_clientedictvector(ent, velocity), s.velocity);
1518                 VectorCopy(PRVM_clientedictvector(ent, mins), s.mins);
1519                 VectorCopy(PRVM_clientedictvector(ent, maxs), s.maxs);
1520                 s.crouched = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_DUCKED) != 0;
1521                 s.waterjumptime = 0; // FIXME where do we get this from? FTEQW lacks support for this too
1522                 s.cmd.canjump = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_JUMP_HELD) == 0;
1523         }
1524
1525         VectorCopy(PRVM_clientglobalvector(input_angles), s.cmd.viewangles);
1526         s.cmd.forwardmove = PRVM_clientglobalvector(input_movevalues)[0];
1527         s.cmd.sidemove = PRVM_clientglobalvector(input_movevalues)[1];
1528         s.cmd.upmove = PRVM_clientglobalvector(input_movevalues)[2];
1529         s.cmd.buttons = PRVM_clientglobalfloat(input_buttons);
1530         s.cmd.frametime = PRVM_clientglobalfloat(input_timelength);
1531         s.cmd.jump = (s.cmd.buttons & 2) != 0;
1532         s.cmd.crouch = (s.cmd.buttons & 16) != 0;
1533
1534         CL_ClientMovement_PlayerMove_Frame(&s);
1535
1536         if(ent == prog->edicts)
1537         {
1538                 // deprecated use
1539                 VectorCopy(s.origin, PRVM_clientglobalvector(pmove_org));
1540                 VectorCopy(s.velocity, PRVM_clientglobalvector(pmove_vel));
1541                 PRVM_clientglobalfloat(pmove_jump_held) = !s.cmd.canjump;
1542                 PRVM_clientglobalfloat(pmove_waterjumptime) = s.waterjumptime;
1543         }
1544         else
1545         {
1546                 // new use
1547                 VectorCopy(s.origin, PRVM_clientedictvector(ent, origin));
1548                 VectorCopy(s.velocity, PRVM_clientedictvector(ent, velocity));
1549                 PRVM_clientedictfloat(ent, pmove_flags) =
1550                         (s.crouched ? PMF_DUCKED : 0) |
1551                         (s.cmd.canjump ? 0 : PMF_JUMP_HELD) |
1552                         (s.onground ? PMF_ONGROUND : 0);
1553         }
1554 }
1555
1556 //#348 string(float playernum, string keyname) getplayerkeyvalue (EXT_CSQC)
1557 static void VM_CL_getplayerkey (prvm_prog_t *prog)
1558 {
1559         int                     i;
1560         char            t[128];
1561         const char      *c;
1562
1563         VM_SAFEPARMCOUNT(2, VM_CL_getplayerkey);
1564
1565         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1566         c = PRVM_G_STRING(OFS_PARM1);
1567         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1568         Sbar_SortFrags();
1569
1570         if (i < 0)
1571                 i = Sbar_GetSortedPlayerIndex(-1-i);
1572         if(i < 0 || i >= cl.maxclients)
1573                 return;
1574
1575         t[0] = 0;
1576
1577         if(!strcasecmp(c, "name"))
1578                 strlcpy(t, cl.scores[i].name, sizeof(t));
1579         else
1580                 if(!strcasecmp(c, "frags"))
1581                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].frags);
1582         else
1583                 if(!strcasecmp(c, "ping"))
1584                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_ping);
1585         else
1586                 if(!strcasecmp(c, "pl"))
1587                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_packetloss);
1588         else
1589                 if(!strcasecmp(c, "movementloss"))
1590                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_movementloss);
1591         else
1592                 if(!strcasecmp(c, "entertime"))
1593                         dpsnprintf(t, sizeof(t), "%f", cl.scores[i].qw_entertime);
1594         else
1595                 if(!strcasecmp(c, "colors"))
1596                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors);
1597         else
1598                 if(!strcasecmp(c, "topcolor"))
1599                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors & 0xf0);
1600         else
1601                 if(!strcasecmp(c, "bottomcolor"))
1602                         dpsnprintf(t, sizeof(t), "%i", (cl.scores[i].colors &15)<<4);
1603         else
1604                 if(!strcasecmp(c, "viewentity"))
1605                         dpsnprintf(t, sizeof(t), "%i", i+1);
1606         if(!t[0])
1607                 return;
1608         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1609 }
1610
1611 //#351 void(vector origin, vector forward, vector right, vector up) SetListener (EXT_CSQC)
1612 static void VM_CL_setlistener (prvm_prog_t *prog)
1613 {
1614         vec3_t origin, forward, left, up;
1615         VM_SAFEPARMCOUNT(4, VM_CL_setlistener);
1616         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), origin);
1617         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), forward);
1618         VectorNegate(PRVM_G_VECTOR(OFS_PARM2), left);
1619         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), up);
1620         Matrix4x4_FromVectors(&cl.csqc_listenermatrix, forward, left, up, origin);
1621         cl.csqc_usecsqclistener = true; //use csqc listener at this frame
1622 }
1623
1624 //#352 void(string cmdname) registercommand (EXT_CSQC)
1625 static void VM_CL_registercmd (prvm_prog_t *prog)
1626 {
1627         char *t;
1628         VM_SAFEPARMCOUNT(1, VM_CL_registercmd);
1629         if(!Cmd_Exists(PRVM_G_STRING(OFS_PARM0)))
1630         {
1631                 size_t alloclen;
1632
1633                 alloclen = strlen(PRVM_G_STRING(OFS_PARM0)) + 1;
1634                 t = (char *)Z_Malloc(alloclen);
1635                 memcpy(t, PRVM_G_STRING(OFS_PARM0), alloclen);
1636                 Cmd_AddCommand(t, NULL, "console command created by QuakeC");
1637         }
1638         else
1639                 Cmd_AddCommand(PRVM_G_STRING(OFS_PARM0), NULL, "console command created by QuakeC");
1640
1641 }
1642
1643 //#360 float() readbyte (EXT_CSQC)
1644 static void VM_CL_ReadByte (prvm_prog_t *prog)
1645 {
1646         VM_SAFEPARMCOUNT(0, VM_CL_ReadByte);
1647         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadByte(&cl_message);
1648 }
1649
1650 //#361 float() readchar (EXT_CSQC)
1651 static void VM_CL_ReadChar (prvm_prog_t *prog)
1652 {
1653         VM_SAFEPARMCOUNT(0, VM_CL_ReadChar);
1654         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadChar(&cl_message);
1655 }
1656
1657 //#362 float() readshort (EXT_CSQC)
1658 static void VM_CL_ReadShort (prvm_prog_t *prog)
1659 {
1660         VM_SAFEPARMCOUNT(0, VM_CL_ReadShort);
1661         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadShort(&cl_message);
1662 }
1663
1664 //#363 float() readlong (EXT_CSQC)
1665 static void VM_CL_ReadLong (prvm_prog_t *prog)
1666 {
1667         VM_SAFEPARMCOUNT(0, VM_CL_ReadLong);
1668         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadLong(&cl_message);
1669 }
1670
1671 //#364 float() readcoord (EXT_CSQC)
1672 static void VM_CL_ReadCoord (prvm_prog_t *prog)
1673 {
1674         VM_SAFEPARMCOUNT(0, VM_CL_ReadCoord);
1675         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadCoord(&cl_message, cls.protocol);
1676 }
1677
1678 //#365 float() readangle (EXT_CSQC)
1679 static void VM_CL_ReadAngle (prvm_prog_t *prog)
1680 {
1681         VM_SAFEPARMCOUNT(0, VM_CL_ReadAngle);
1682         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadAngle(&cl_message, cls.protocol);
1683 }
1684
1685 //#366 string() readstring (EXT_CSQC)
1686 static void VM_CL_ReadString (prvm_prog_t *prog)
1687 {
1688         VM_SAFEPARMCOUNT(0, VM_CL_ReadString);
1689         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring)));
1690 }
1691
1692 //#367 float() readfloat (EXT_CSQC)
1693 static void VM_CL_ReadFloat (prvm_prog_t *prog)
1694 {
1695         VM_SAFEPARMCOUNT(0, VM_CL_ReadFloat);
1696         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadFloat(&cl_message);
1697 }
1698
1699 //#501 string() readpicture (DP_CSQC_READWRITEPICTURE)
1700 extern cvar_t cl_readpicture_force;
1701 static void VM_CL_ReadPicture (prvm_prog_t *prog)
1702 {
1703         const char *name;
1704         unsigned char *data;
1705         unsigned char *buf;
1706         unsigned short size;
1707         int i;
1708         cachepic_t *pic;
1709
1710         VM_SAFEPARMCOUNT(0, VM_CL_ReadPicture);
1711
1712         name = MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring));
1713         size = (unsigned short) MSG_ReadShort(&cl_message);
1714
1715         // check if a texture of that name exists
1716         // if yes, it is used and the data is discarded
1717         // if not, the (low quality) data is used to build a new texture, whose name will get returned
1718
1719         pic = Draw_CachePic_Flags(name, CACHEPICFLAG_NOTPERSISTENT | CACHEPICFLAG_FAILONMISSING);
1720
1721         if(size)
1722         {
1723                 if (Draw_IsPicLoaded(pic) && !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, data, TEXTYPE_BGRA, TEXF_CLAMP);
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, prvm_vec_t *returnshadingorigin)
2452 {
2453         int ret;
2454         int attachloop;
2455         matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
2456         dp_model_t *model;
2457         vec3_t shadingorigin;
2458
2459         *out = identitymatrix; // warnings and errors return identical matrix
2460
2461         if (ent == prog->edicts)
2462                 return 1;
2463         if (ent->priv.server->free)
2464                 return 2;
2465
2466         model = CL_GetModelFromEdict(ent);
2467         if(!model)
2468                 return 3;
2469
2470         tagmatrix = identitymatrix;
2471         attachloop = 0;
2472         for(;;)
2473         {
2474                 if(attachloop >= 256)
2475                         return 5;
2476                 // apply transformation by child's tagindex on parent entity and then
2477                 // by parent entity itself
2478                 ret = CL_GetEntityLocalTagMatrix(prog, ent, tagindex - 1, &attachmatrix);
2479                 if(ret && attachloop == 0)
2480                         return ret;
2481                 CL_GetEntityMatrix(prog, ent, &entitymatrix, false);
2482                 Matrix4x4_Concat(&tagmatrix, &attachmatrix, out);
2483                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2484                 // next iteration we process the parent entity
2485                 if (PRVM_clientedictedict(ent, tag_entity))
2486                 {
2487                         tagindex = (int)PRVM_clientedictfloat(ent, tag_index);
2488                         ent = PRVM_EDICT_NUM(PRVM_clientedictedict(ent, tag_entity));
2489                 }
2490                 else
2491                         break;
2492                 attachloop++;
2493         }
2494
2495         // RENDER_VIEWMODEL magic
2496         if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_VIEWMODEL)
2497         {
2498                 Matrix4x4_Copy(&tagmatrix, out);
2499
2500                 CL_GetEntityMatrix(prog, prog->edicts, &entitymatrix, true);
2501                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2502
2503                 /*
2504                 // Cl_bob, ported from rendering code
2505                 if (PRVM_clientedictfloat(ent, health) > 0 && cl_bob.value && cl_bobcycle.value)
2506                 {
2507                         double bob, cycle;
2508                         // LordHavoc: this code is *weird*, but not replacable (I think it
2509                         // should be done in QC on the server, but oh well, quake is quake)
2510                         // LordHavoc: figured out bobup: the time at which the sin is at 180
2511                         // degrees (which allows lengthening or squishing the peak or valley)
2512                         cycle = cl.time/cl_bobcycle.value;
2513                         cycle -= (int)cycle;
2514                         if (cycle < cl_bobup.value)
2515                                 cycle = sin(M_PI * cycle / cl_bobup.value);
2516                         else
2517                                 cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
2518                         // bob is proportional to velocity in the xy plane
2519                         // (don't count Z, or jumping messes it up)
2520                         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;
2521                         bob = bob*0.3 + bob*0.7*cycle;
2522                         Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
2523                 }
2524                 */
2525
2526                 // return the origin of the view
2527                 Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, shadingorigin);
2528         }
2529         else
2530         {
2531                 // return the origin of the root entity in the chain
2532                 Matrix4x4_OriginFromMatrix(out, shadingorigin);
2533         }
2534         if (returnshadingorigin)
2535                 VectorCopy(shadingorigin, returnshadingorigin);
2536         return 0;
2537 }
2538
2539 // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
2540 static void VM_CL_gettagindex (prvm_prog_t *prog)
2541 {
2542         prvm_edict_t *ent;
2543         const char *tag_name;
2544         int tag_index;
2545
2546         VM_SAFEPARMCOUNT(2, VM_CL_gettagindex);
2547
2548         ent = PRVM_G_EDICT(OFS_PARM0);
2549         tag_name = PRVM_G_STRING(OFS_PARM1);
2550         if (ent == prog->edicts)
2551         {
2552                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect world entity\n", PRVM_NUM_FOR_EDICT(ent));
2553                 return;
2554         }
2555         if (ent->priv.server->free)
2556         {
2557                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect free entity\n", PRVM_NUM_FOR_EDICT(ent));
2558                 return;
2559         }
2560
2561         tag_index = 0;
2562         if (!CL_GetModelFromEdict(ent))
2563                 Con_DPrintf("VM_CL_gettagindex(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(ent));
2564         else
2565         {
2566                 tag_index = CL_GetTagIndex(prog, ent, tag_name);
2567                 if (tag_index == 0)
2568                         if(developer_extra.integer)
2569                                 Con_DPrintf("VM_CL_gettagindex(entity #%i): tag \"%s\" not found\n", PRVM_NUM_FOR_EDICT(ent), tag_name);
2570         }
2571         PRVM_G_FLOAT(OFS_RETURN) = tag_index;
2572 }
2573
2574 // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
2575 static void VM_CL_gettaginfo (prvm_prog_t *prog)
2576 {
2577         prvm_edict_t *e;
2578         int tagindex;
2579         matrix4x4_t tag_matrix;
2580         matrix4x4_t tag_localmatrix;
2581         int parentindex;
2582         const char *tagname;
2583         int returncode;
2584         vec3_t forward, left, up, origin;
2585         const dp_model_t *model;
2586
2587         VM_SAFEPARMCOUNT(2, VM_CL_gettaginfo);
2588
2589         e = PRVM_G_EDICT(OFS_PARM0);
2590         tagindex = (int)PRVM_G_FLOAT(OFS_PARM1);
2591         returncode = CL_GetTagMatrix(prog, &tag_matrix, e, tagindex, NULL);
2592         Matrix4x4_ToVectors(&tag_matrix, forward, left, up, origin);
2593         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
2594         VectorScale(left, -1, PRVM_clientglobalvector(v_right));
2595         VectorCopy(up, PRVM_clientglobalvector(v_up));
2596         VectorCopy(origin, PRVM_G_VECTOR(OFS_RETURN));
2597         model = CL_GetModelFromEdict(e);
2598         VM_GenerateFrameGroupBlend(prog, e->priv.server->framegroupblend, e);
2599         VM_FrameBlendFromFrameGroupBlend(e->priv.server->frameblend, e->priv.server->framegroupblend, model, cl.time);
2600         VM_UpdateEdictSkeleton(prog, e, model, e->priv.server->frameblend);
2601         CL_GetExtendedTagInfo(prog, e, tagindex, &parentindex, &tagname, &tag_localmatrix);
2602         Matrix4x4_ToVectors(&tag_localmatrix, forward, left, up, origin);
2603
2604         PRVM_clientglobalfloat(gettaginfo_parent) = parentindex;
2605         PRVM_clientglobalstring(gettaginfo_name) = tagname ? PRVM_SetTempString(prog, tagname) : 0;
2606         VectorCopy(forward, PRVM_clientglobalvector(gettaginfo_forward));
2607         VectorScale(left, -1, PRVM_clientglobalvector(gettaginfo_right));
2608         VectorCopy(up, PRVM_clientglobalvector(gettaginfo_up));
2609         VectorCopy(origin, PRVM_clientglobalvector(gettaginfo_offset));
2610
2611         switch(returncode)
2612         {
2613                 case 1:
2614                         VM_Warning(prog, "gettagindex: can't affect world entity\n");
2615                         break;
2616                 case 2:
2617                         VM_Warning(prog, "gettagindex: can't affect free entity\n");
2618                         break;
2619                 case 3:
2620                         Con_DPrintf("CL_GetTagMatrix(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(e));
2621                         break;
2622                 case 4:
2623                         Con_DPrintf("CL_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", PRVM_NUM_FOR_EDICT(e), tagindex);
2624                         break;
2625                 case 5:
2626                         Con_DPrintf("CL_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", PRVM_NUM_FOR_EDICT(e));
2627                         break;
2628         }
2629 }
2630
2631 //============================================================================
2632
2633 //====================
2634 // DP_CSQC_SPAWNPARTICLE
2635 // a QC hook to engine's CL_NewParticle
2636 //====================
2637
2638 // particle theme struct
2639 typedef struct vmparticletheme_s
2640 {
2641         unsigned short typeindex;
2642         qboolean initialized;
2643         pblend_t blendmode;
2644         porientation_t orientation;
2645         int color1;
2646         int color2;
2647         int tex;
2648         float size;
2649         float sizeincrease;
2650         float alpha;
2651         float alphafade;
2652         float gravity;
2653         float bounce;
2654         float airfriction;
2655         float liquidfriction;
2656         float originjitter;
2657         float velocityjitter;
2658         qboolean qualityreduction;
2659         float lifetime;
2660         float stretch;
2661         int staincolor1;
2662         int staincolor2;
2663         int staintex;
2664         float stainalpha;
2665         float stainsize;
2666         float delayspawn;
2667         float delaycollision;
2668         float angle;
2669         float spin;
2670 }vmparticletheme_t;
2671
2672 // particle spawner
2673 typedef struct vmparticlespawner_s
2674 {
2675         mempool_t                       *pool;
2676         qboolean                        initialized;
2677         qboolean                        verified;
2678         vmparticletheme_t       *themes;
2679         int                                     max_themes;
2680 }vmparticlespawner_t;
2681
2682 vmparticlespawner_t vmpartspawner;
2683
2684 // TODO: automatic max_themes grow
2685 static void VM_InitParticleSpawner (prvm_prog_t *prog, int maxthemes)
2686 {
2687         // bound max themes to not be an insane value
2688         if (maxthemes < 4)
2689                 maxthemes = 4;
2690         if (maxthemes > 2048)
2691                 maxthemes = 2048;
2692         // allocate and set up structure
2693         if (vmpartspawner.initialized) // reallocate
2694         {
2695                 Mem_FreePool(&vmpartspawner.pool);
2696                 memset(&vmpartspawner, 0, sizeof(vmparticlespawner_t));
2697         }
2698         vmpartspawner.pool = Mem_AllocPool("VMPARTICLESPAWNER", 0, NULL);
2699         vmpartspawner.themes = (vmparticletheme_t *)Mem_Alloc(vmpartspawner.pool, sizeof(vmparticletheme_t)*maxthemes);
2700         vmpartspawner.max_themes = maxthemes;
2701         vmpartspawner.initialized = true;
2702         vmpartspawner.verified = true;
2703 }
2704
2705 // reset particle theme to default values
2706 static void VM_ResetParticleTheme (vmparticletheme_t *theme)
2707 {
2708         theme->initialized = true;
2709         theme->typeindex = pt_static;
2710         theme->blendmode = PBLEND_ADD;
2711         theme->orientation = PARTICLE_BILLBOARD;
2712         theme->color1 = 0x808080;
2713         theme->color2 = 0xFFFFFF;
2714         theme->tex = 63;
2715         theme->size = 2;
2716         theme->sizeincrease = 0;
2717         theme->alpha = 256;
2718         theme->alphafade = 512;
2719         theme->gravity = 0.0f;
2720         theme->bounce = 0.0f;
2721         theme->airfriction = 1.0f;
2722         theme->liquidfriction = 4.0f;
2723         theme->originjitter = 0.0f;
2724         theme->velocityjitter = 0.0f;
2725         theme->qualityreduction = false;
2726         theme->lifetime = 4;
2727         theme->stretch = 1;
2728         theme->staincolor1 = -1;
2729         theme->staincolor2 = -1;
2730         theme->staintex = -1;
2731         theme->delayspawn = 0.0f;
2732         theme->delaycollision = 0.0f;
2733         theme->angle = 0.0f;
2734         theme->spin = 0.0f;
2735 }
2736
2737 // particle theme -> QC globals
2738 static void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme, prvm_prog_t *prog)
2739 {
2740         PRVM_clientglobalfloat(particle_type) = theme->typeindex;
2741         PRVM_clientglobalfloat(particle_blendmode) = theme->blendmode;
2742         PRVM_clientglobalfloat(particle_orientation) = theme->orientation;
2743         // VorteX: int only can store 0-255, not 0-256 which means 0 - 0,99609375...
2744         VectorSet(PRVM_clientglobalvector(particle_color1), (theme->color1 >> 16) & 0xFF, (theme->color1 >> 8) & 0xFF, (theme->color1 >> 0) & 0xFF);
2745         VectorSet(PRVM_clientglobalvector(particle_color2), (theme->color2 >> 16) & 0xFF, (theme->color2 >> 8) & 0xFF, (theme->color2 >> 0) & 0xFF);
2746         PRVM_clientglobalfloat(particle_tex) = (prvm_vec_t)theme->tex;
2747         PRVM_clientglobalfloat(particle_size) = theme->size;
2748         PRVM_clientglobalfloat(particle_sizeincrease) = theme->sizeincrease;
2749         PRVM_clientglobalfloat(particle_alpha) = theme->alpha/256;
2750         PRVM_clientglobalfloat(particle_alphafade) = theme->alphafade/256;
2751         PRVM_clientglobalfloat(particle_time) = theme->lifetime;
2752         PRVM_clientglobalfloat(particle_gravity) = theme->gravity;
2753         PRVM_clientglobalfloat(particle_bounce) = theme->bounce;
2754         PRVM_clientglobalfloat(particle_airfriction) = theme->airfriction;
2755         PRVM_clientglobalfloat(particle_liquidfriction) = theme->liquidfriction;
2756         PRVM_clientglobalfloat(particle_originjitter) = theme->originjitter;
2757         PRVM_clientglobalfloat(particle_velocityjitter) = theme->velocityjitter;
2758         PRVM_clientglobalfloat(particle_qualityreduction) = theme->qualityreduction;
2759         PRVM_clientglobalfloat(particle_stretch) = theme->stretch;
2760         VectorSet(PRVM_clientglobalvector(particle_staincolor1), ((int)theme->staincolor1 >> 16) & 0xFF, ((int)theme->staincolor1 >> 8) & 0xFF, ((int)theme->staincolor1 >> 0) & 0xFF);
2761         VectorSet(PRVM_clientglobalvector(particle_staincolor2), ((int)theme->staincolor2 >> 16) & 0xFF, ((int)theme->staincolor2 >> 8) & 0xFF, ((int)theme->staincolor2 >> 0) & 0xFF);
2762         PRVM_clientglobalfloat(particle_staintex) = (prvm_vec_t)theme->staintex;
2763         PRVM_clientglobalfloat(particle_stainalpha) = (prvm_vec_t)theme->stainalpha/256;
2764         PRVM_clientglobalfloat(particle_stainsize) = (prvm_vec_t)theme->stainsize;
2765         PRVM_clientglobalfloat(particle_delayspawn) = theme->delayspawn;
2766         PRVM_clientglobalfloat(particle_delaycollision) = theme->delaycollision;
2767         PRVM_clientglobalfloat(particle_angle) = theme->angle;
2768         PRVM_clientglobalfloat(particle_spin) = theme->spin;
2769 }
2770
2771 // QC globals ->  particle theme
2772 static void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme, prvm_prog_t *prog)
2773 {
2774         theme->typeindex = (unsigned short)PRVM_clientglobalfloat(particle_type);
2775         theme->blendmode = (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode);
2776         theme->orientation = (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation);
2777         theme->color1 = ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]);
2778         theme->color2 = ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]);
2779         theme->tex = (int)PRVM_clientglobalfloat(particle_tex);
2780         theme->size = PRVM_clientglobalfloat(particle_size);
2781         theme->sizeincrease = PRVM_clientglobalfloat(particle_sizeincrease);
2782         theme->alpha = PRVM_clientglobalfloat(particle_alpha)*256;
2783         theme->alphafade = PRVM_clientglobalfloat(particle_alphafade)*256;
2784         theme->lifetime = PRVM_clientglobalfloat(particle_time);
2785         theme->gravity = PRVM_clientglobalfloat(particle_gravity);
2786         theme->bounce = PRVM_clientglobalfloat(particle_bounce);
2787         theme->airfriction = PRVM_clientglobalfloat(particle_airfriction);
2788         theme->liquidfriction = PRVM_clientglobalfloat(particle_liquidfriction);
2789         theme->originjitter = PRVM_clientglobalfloat(particle_originjitter);
2790         theme->velocityjitter = PRVM_clientglobalfloat(particle_velocityjitter);
2791         theme->qualityreduction = PRVM_clientglobalfloat(particle_qualityreduction) != 0 ? true : false;
2792         theme->stretch = PRVM_clientglobalfloat(particle_stretch);
2793         theme->staincolor1 = ((int)PRVM_clientglobalvector(particle_staincolor1)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor1)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor1)[2]);
2794         theme->staincolor2 = (int)(PRVM_clientglobalvector(particle_staincolor2)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor2)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor2)[2]);
2795         theme->staintex =(int)PRVM_clientglobalfloat(particle_staintex);
2796         theme->stainalpha = PRVM_clientglobalfloat(particle_stainalpha)*256;
2797         theme->stainsize = PRVM_clientglobalfloat(particle_stainsize);
2798         theme->delayspawn = PRVM_clientglobalfloat(particle_delayspawn);
2799         theme->delaycollision = PRVM_clientglobalfloat(particle_delaycollision);
2800         theme->angle = PRVM_clientglobalfloat(particle_angle);
2801         theme->spin = PRVM_clientglobalfloat(particle_spin);
2802 }
2803
2804 // init particle spawner interface
2805 // # float(float max_themes) initparticlespawner
2806 static void VM_CL_InitParticleSpawner (prvm_prog_t *prog)
2807 {
2808         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_InitParticleSpawner);
2809         VM_InitParticleSpawner(prog, (int)PRVM_G_FLOAT(OFS_PARM0));
2810         vmpartspawner.themes[0].initialized = true;
2811         VM_ResetParticleTheme(&vmpartspawner.themes[0]);
2812         PRVM_G_FLOAT(OFS_RETURN) = (vmpartspawner.verified == true) ? 1 : 0;
2813 }
2814
2815 // void() resetparticle
2816 static void VM_CL_ResetParticle (prvm_prog_t *prog)
2817 {
2818         VM_SAFEPARMCOUNT(0, VM_CL_ResetParticle);
2819         if (vmpartspawner.verified == false)
2820         {
2821                 VM_Warning(prog, "VM_CL_ResetParticle: particle spawner not initialized\n");
2822                 return;
2823         }
2824         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2825 }
2826
2827 // void(float themenum) particletheme
2828 static void VM_CL_ParticleTheme (prvm_prog_t *prog)
2829 {
2830         int themenum;
2831
2832         VM_SAFEPARMCOUNT(1, VM_CL_ParticleTheme);
2833         if (vmpartspawner.verified == false)
2834         {
2835                 VM_Warning(prog, "VM_CL_ParticleTheme: particle spawner not initialized\n");
2836                 return;
2837         }
2838         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2839         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2840         {
2841                 VM_Warning(prog, "VM_CL_ParticleTheme: bad theme number %i\n", themenum);
2842                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2843                 return;
2844         }
2845         if (vmpartspawner.themes[themenum].initialized == false)
2846         {
2847                 VM_Warning(prog, "VM_CL_ParticleTheme: theme #%i not exists\n", themenum);
2848                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2849                 return;
2850         }
2851         // load particle theme into globals
2852         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[themenum], prog);
2853 }
2854
2855 // float() saveparticletheme
2856 // void(float themenum) updateparticletheme
2857 static void VM_CL_ParticleThemeSave (prvm_prog_t *prog)
2858 {
2859         int themenum;
2860
2861         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_ParticleThemeSave);
2862         if (vmpartspawner.verified == false)
2863         {
2864                 VM_Warning(prog, "VM_CL_ParticleThemeSave: particle spawner not initialized\n");
2865                 return;
2866         }
2867         // allocate new theme, save it and return
2868         if (prog->argc < 1)
2869         {
2870                 for (themenum = 0; themenum < vmpartspawner.max_themes; themenum++)
2871                         if (vmpartspawner.themes[themenum].initialized == false)
2872                                 break;
2873                 if (themenum >= vmpartspawner.max_themes)
2874                 {
2875                         if (vmpartspawner.max_themes == 2048)
2876                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots\n");
2877                         else
2878                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots, try initparticlespawner() with highter max_themes\n");
2879                         PRVM_G_FLOAT(OFS_RETURN) = -1;
2880                         return;
2881                 }
2882                 vmpartspawner.themes[themenum].initialized = true;
2883                 VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum], prog);
2884                 PRVM_G_FLOAT(OFS_RETURN) = themenum;
2885                 return;
2886         }
2887         // update existing theme
2888         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2889         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2890         {
2891                 VM_Warning(prog, "VM_CL_ParticleThemeSave: bad theme number %i\n", themenum);
2892                 return;
2893         }
2894         vmpartspawner.themes[themenum].initialized = true;
2895         VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum], prog);
2896 }
2897
2898 // void(float themenum) freeparticletheme
2899 static void VM_CL_ParticleThemeFree (prvm_prog_t *prog)
2900 {
2901         int themenum;
2902
2903         VM_SAFEPARMCOUNT(1, VM_CL_ParticleThemeFree);
2904         if (vmpartspawner.verified == false)
2905         {
2906                 VM_Warning(prog, "VM_CL_ParticleThemeFree: particle spawner not initialized\n");
2907                 return;
2908         }
2909         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2910         // check parms
2911         if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2912         {
2913                 VM_Warning(prog, "VM_CL_ParticleThemeFree: bad theme number %i\n", themenum);
2914                 return;
2915         }
2916         if (vmpartspawner.themes[themenum].initialized == false)
2917         {
2918                 VM_Warning(prog, "VM_CL_ParticleThemeFree: theme #%i already freed\n", themenum);
2919                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2920                 return;
2921         }
2922         // free theme
2923         VM_ResetParticleTheme(&vmpartspawner.themes[themenum]);
2924         vmpartspawner.themes[themenum].initialized = false;
2925 }
2926
2927 // float(vector org, vector dir, [float theme]) particle
2928 // returns 0 if failed, 1 if succesful
2929 static void VM_CL_SpawnParticle (prvm_prog_t *prog)
2930 {
2931         vec3_t org, dir;
2932         vmparticletheme_t *theme;
2933         particle_t *part;
2934         int themenum;
2935
2936         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_SpawnParticle2);
2937         if (vmpartspawner.verified == false)
2938         {
2939                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
2940                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2941                 return;
2942         }
2943         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
2944         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
2945         
2946         if (prog->argc < 3) // global-set particle
2947         {
2948                 part = CL_NewParticle(org,
2949                         (unsigned short)PRVM_clientglobalfloat(particle_type),
2950                         ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]),
2951                         ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]),
2952                         (int)PRVM_clientglobalfloat(particle_tex),
2953                         PRVM_clientglobalfloat(particle_size),
2954                         PRVM_clientglobalfloat(particle_sizeincrease),
2955                         PRVM_clientglobalfloat(particle_alpha)*256,
2956                         PRVM_clientglobalfloat(particle_alphafade)*256,
2957                         PRVM_clientglobalfloat(particle_gravity),
2958                         PRVM_clientglobalfloat(particle_bounce),
2959                         org[0],
2960                         org[1],
2961                         org[2],
2962                         dir[0],
2963                         dir[1],
2964                         dir[2],
2965                         PRVM_clientglobalfloat(particle_airfriction),
2966                         PRVM_clientglobalfloat(particle_liquidfriction),
2967                         PRVM_clientglobalfloat(particle_originjitter),
2968                         PRVM_clientglobalfloat(particle_velocityjitter),
2969                         (PRVM_clientglobalfloat(particle_qualityreduction)) ? true : false,
2970                         PRVM_clientglobalfloat(particle_time),
2971                         PRVM_clientglobalfloat(particle_stretch),
2972                         (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode),
2973                         (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation),
2974                         (int)(PRVM_clientglobalvector(particle_staincolor1)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor1)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor1)[2]),
2975                         (int)(PRVM_clientglobalvector(particle_staincolor2)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor2)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor2)[2]),
2976                         (int)PRVM_clientglobalfloat(particle_staintex),
2977                         PRVM_clientglobalfloat(particle_stainalpha)*256,
2978                         PRVM_clientglobalfloat(particle_stainsize),
2979                         PRVM_clientglobalfloat(particle_angle),
2980                         PRVM_clientglobalfloat(particle_spin),
2981                         NULL);
2982                 if (!part)
2983                 {
2984                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2985                         return;
2986                 }
2987                 if (PRVM_clientglobalfloat(particle_delayspawn))
2988                         part->delayedspawn = cl.time + PRVM_clientglobalfloat(particle_delayspawn);
2989                 //if (PRVM_clientglobalfloat(particle_delaycollision))
2990                 //      part->delayedcollisions = cl.time + PRVM_clientglobalfloat(particle_delaycollision);
2991         }
2992         else // quick themed particle
2993         {
2994                 themenum = (int)PRVM_G_FLOAT(OFS_PARM2);
2995                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2996                 {
2997                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2998                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2999                         return;
3000                 }
3001                 theme = &vmpartspawner.themes[themenum];
3002                 part = CL_NewParticle(org,
3003                         theme->typeindex,
3004                         theme->color1,
3005                         theme->color2,
3006                         theme->tex,
3007                         theme->size,
3008                         theme->sizeincrease,
3009                         theme->alpha,
3010                         theme->alphafade,
3011                         theme->gravity,
3012                         theme->bounce,
3013                         org[0],
3014                         org[1],
3015                         org[2],
3016                         dir[0],
3017                         dir[1],
3018                         dir[2],
3019                         theme->airfriction,
3020                         theme->liquidfriction,
3021                         theme->originjitter,
3022                         theme->velocityjitter,
3023                         theme->qualityreduction,
3024                         theme->lifetime,
3025                         theme->stretch,
3026                         theme->blendmode,
3027                         theme->orientation,
3028                         theme->staincolor1,
3029                         theme->staincolor2,
3030                         theme->staintex,
3031                         theme->stainalpha,
3032                         theme->stainsize,
3033                         theme->angle,
3034                         theme->spin,
3035                         NULL);
3036                 if (!part)
3037                 {
3038                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
3039                         return;
3040                 }
3041                 if (theme->delayspawn)
3042                         part->delayedspawn = cl.time + theme->delayspawn;
3043                 //if (theme->delaycollision)
3044                 //      part->delayedcollisions = cl.time + theme->delaycollision;
3045         }
3046         PRVM_G_FLOAT(OFS_RETURN) = 1; 
3047 }
3048
3049 // float(vector org, vector dir, float spawndelay, float collisiondelay, [float theme]) delayedparticle
3050 // returns 0 if failed, 1 if success
3051 static void VM_CL_SpawnParticleDelayed (prvm_prog_t *prog)
3052 {
3053         vec3_t org, dir;
3054         vmparticletheme_t *theme;
3055         particle_t *part;
3056         int themenum;
3057
3058         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_SpawnParticle2);
3059         if (vmpartspawner.verified == false)
3060         {
3061                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
3062                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3063                 return;
3064         }
3065         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
3066         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
3067         if (prog->argc < 5) // global-set particle
3068                 part = CL_NewParticle(org,
3069                         (unsigned short)PRVM_clientglobalfloat(particle_type),
3070                         ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]),
3071                         ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]),
3072                         (int)PRVM_clientglobalfloat(particle_tex),
3073                         PRVM_clientglobalfloat(particle_size),
3074                         PRVM_clientglobalfloat(particle_sizeincrease),
3075                         PRVM_clientglobalfloat(particle_alpha)*256,
3076                         PRVM_clientglobalfloat(particle_alphafade)*256,
3077                         PRVM_clientglobalfloat(particle_gravity),
3078                         PRVM_clientglobalfloat(particle_bounce),
3079                         org[0],
3080                         org[1],
3081                         org[2],
3082                         dir[0],
3083                         dir[1],
3084                         dir[2],
3085                         PRVM_clientglobalfloat(particle_airfriction),
3086                         PRVM_clientglobalfloat(particle_liquidfriction),
3087                         PRVM_clientglobalfloat(particle_originjitter),
3088                         PRVM_clientglobalfloat(particle_velocityjitter),
3089                         (PRVM_clientglobalfloat(particle_qualityreduction)) ? true : false,
3090                         PRVM_clientglobalfloat(particle_time),
3091                         PRVM_clientglobalfloat(particle_stretch),
3092                         (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode),
3093                         (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation),
3094                         ((int)PRVM_clientglobalvector(particle_staincolor1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_staincolor1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_staincolor1)[2]),
3095                         ((int)PRVM_clientglobalvector(particle_staincolor2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_staincolor2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_staincolor2)[2]),
3096                         (int)PRVM_clientglobalfloat(particle_staintex),
3097                         PRVM_clientglobalfloat(particle_stainalpha)*256,
3098                         PRVM_clientglobalfloat(particle_stainsize),
3099                         PRVM_clientglobalfloat(particle_angle),
3100                         PRVM_clientglobalfloat(particle_spin),
3101                         NULL);
3102         else // themed particle
3103         {
3104                 themenum = (int)PRVM_G_FLOAT(OFS_PARM4);
3105                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
3106                 {
3107                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
3108                         PRVM_G_FLOAT(OFS_RETURN) = 0;  
3109                         return;
3110                 }
3111                 theme = &vmpartspawner.themes[themenum];
3112                 part = CL_NewParticle(org,
3113                         theme->typeindex,
3114                         theme->color1,
3115                         theme->color2,
3116                         theme->tex,
3117                         theme->size,
3118                         theme->sizeincrease,
3119                         theme->alpha,
3120                         theme->alphafade,
3121                         theme->gravity,
3122                         theme->bounce,
3123                         org[0],
3124                         org[1],
3125                         org[2],
3126                         dir[0],
3127                         dir[1],
3128                         dir[2],
3129                         theme->airfriction,
3130                         theme->liquidfriction,
3131                         theme->originjitter,
3132                         theme->velocityjitter,
3133                         theme->qualityreduction,
3134                         theme->lifetime,
3135                         theme->stretch,
3136                         theme->blendmode,
3137                         theme->orientation,
3138                         theme->staincolor1,
3139                         theme->staincolor2,
3140                         theme->staintex,
3141                         theme->stainalpha,
3142                         theme->stainsize,
3143                         theme->angle,
3144                         theme->spin,
3145                         NULL);
3146         }
3147         if (!part) 
3148         { 
3149                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3150                 return; 
3151         }
3152         part->delayedspawn = cl.time + PRVM_G_FLOAT(OFS_PARM2);
3153         //part->delayedcollisions = cl.time + PRVM_G_FLOAT(OFS_PARM3);
3154         PRVM_G_FLOAT(OFS_RETURN) = 0;
3155 }
3156
3157 //====================
3158 //CSQC engine entities query
3159 //====================
3160
3161 // float(float entitynum, float whatfld) getentity;
3162 // vector(float entitynum, float whatfld) getentityvec;
3163 // querying engine-drawn entity
3164 // VorteX: currently it's only tested with whatfld = 1..7
3165 static void VM_CL_GetEntity (prvm_prog_t *prog)
3166 {
3167         int entnum, fieldnum;
3168         vec3_t forward, left, up, org;
3169         VM_SAFEPARMCOUNT(2, VM_CL_GetEntityVec);
3170
3171         entnum = PRVM_G_FLOAT(OFS_PARM0);
3172         if (entnum < 0 || entnum >= cl.num_entities)
3173         {
3174                 PRVM_G_FLOAT(OFS_RETURN) = 0;
3175                 return;
3176         }
3177         fieldnum = PRVM_G_FLOAT(OFS_PARM1);
3178         switch(fieldnum)
3179         {
3180                 case 0: // active state
3181                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities_active[entnum];
3182                         break;
3183                 case 1: // origin
3184                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3185                         VectorCopy(org, PRVM_G_VECTOR(OFS_RETURN));
3186                         break; 
3187                 case 2: // forward
3188                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3189                         VectorCopy(forward, PRVM_G_VECTOR(OFS_RETURN));
3190                         break;
3191                 case 3: // right
3192                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3193                         VectorNegate(left, PRVM_G_VECTOR(OFS_RETURN));
3194                         break;
3195                 case 4: // up
3196                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3197                         VectorCopy(up, PRVM_G_VECTOR(OFS_RETURN));
3198                         break;
3199                 case 5: // scale
3200                         PRVM_G_FLOAT(OFS_RETURN) = Matrix4x4_ScaleFromMatrix(&cl.entities[entnum].render.matrix);
3201                         break;  
3202                 case 6: // origin + v_forward, v_right, v_up
3203                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3204                         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
3205                         VectorNegate(left, PRVM_clientglobalvector(v_right));
3206                         VectorCopy(up, PRVM_clientglobalvector(v_up));
3207                         VectorCopy(org, PRVM_G_VECTOR(OFS_RETURN));
3208                         break;  
3209                 case 7: // alpha
3210                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.alpha;
3211                         break;  
3212                 case 8: // colormor
3213                         VectorCopy(cl.entities[entnum].render.colormod, PRVM_G_VECTOR(OFS_RETURN));
3214                         break;
3215                 case 9: // pants colormod
3216                         VectorCopy(cl.entities[entnum].render.colormap_pantscolor, PRVM_G_VECTOR(OFS_RETURN));
3217                         break;
3218                 case 10: // shirt colormod
3219                         VectorCopy(cl.entities[entnum].render.colormap_shirtcolor, PRVM_G_VECTOR(OFS_RETURN));
3220                         break;
3221                 case 11: // skinnum
3222                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.skinnum;
3223                         break;  
3224                 case 12: // mins
3225                         VectorCopy(cl.entities[entnum].render.mins, PRVM_G_VECTOR(OFS_RETURN));         
3226                         break;  
3227                 case 13: // maxs
3228                         VectorCopy(cl.entities[entnum].render.maxs, PRVM_G_VECTOR(OFS_RETURN));         
3229                         break;  
3230                 case 14: // absmin
3231                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3232                         VectorAdd(cl.entities[entnum].render.mins, org, PRVM_G_VECTOR(OFS_RETURN));             
3233                         break;  
3234                 case 15: // absmax
3235                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3236                         VectorAdd(cl.entities[entnum].render.maxs, org, PRVM_G_VECTOR(OFS_RETURN));             
3237                         break;
3238                 case 16: // light
3239                         VectorMA(cl.entities[entnum].render.render_modellight_ambient, 0.5, cl.entities[entnum].render.render_modellight_diffuse, PRVM_G_VECTOR(OFS_RETURN));
3240                         break;  
3241                 default:
3242                         PRVM_G_FLOAT(OFS_RETURN) = 0;
3243                         break;
3244         }
3245 }
3246
3247 //====================
3248 //QC POLYGON functions
3249 //====================
3250
3251 //#304 void() renderscene (EXT_CSQC)
3252 // moved that here to reset the polygons,
3253 // resetting them earlier causes R_Mesh_Draw to be called with numvertices = 0
3254 // --blub
3255 static void VM_CL_R_RenderScene (prvm_prog_t *prog)
3256 {
3257         qboolean ismain = r_refdef.view.ismain;
3258         double t = Sys_DirtyTime();
3259         VM_SAFEPARMCOUNT(0, VM_CL_R_RenderScene);
3260
3261         // update the views
3262         if(ismain)
3263         {
3264                 // set the main view
3265                 csqc_main_r_refdef_view = r_refdef.view;
3266         }
3267
3268         // we need to update any RENDER_VIEWMODEL entities at this point because
3269         // csqc supplies its own view matrix
3270         CL_UpdateViewEntities();
3271         CL_MeshEntities_AddToScene();
3272         CL_UpdateEntityShading();
3273
3274         // now draw stuff!
3275         R_RenderView(0, NULL, NULL, r_refdef.view.x, r_refdef.view.y, r_refdef.view.width, r_refdef.view.height);
3276
3277         Mod_Mesh_Reset(CL_Mesh_CSQC());
3278
3279         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
3280         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
3281         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
3282
3283         // polygonbegin without draw2d arg has to guess
3284         prog->polygonbegin_guess2d = false;
3285
3286         // update the views
3287         if (ismain)
3288         {
3289                 // clear the flags so no other view becomes "main" unless CSQC sets VF_MAINVIEW
3290                 r_refdef.view.ismain = false;
3291                 csqc_original_r_refdef_view.ismain = false;
3292         }
3293 }
3294
3295 //void(string texturename, float flag[, float is2d]) R_BeginPolygon
3296 static void VM_CL_R_PolygonBegin (prvm_prog_t *prog)
3297 {
3298         const char *texname;
3299         int drawflags;
3300         qboolean draw2d;
3301         dp_model_t *mod;
3302
3303         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_R_PolygonBegin);
3304
3305         texname = PRVM_G_STRING(OFS_PARM0);
3306         drawflags = (int)PRVM_G_FLOAT(OFS_PARM1);
3307         if (prog->argc >= 3)
3308                 draw2d = PRVM_G_FLOAT(OFS_PARM2) != 0;
3309         else
3310         {
3311                 // weird hacky way to figure out if this is a 2D HUD polygon or a scene
3312                 // polygon, for compatibility with mods aimed at old darkplaces versions
3313                 // - polygonbegin_guess2d is 0 if the most recent major call was
3314                 // clearscene, 1 if the most recent major call was drawpic (and similar)
3315                 // or renderscene
3316                 draw2d = prog->polygonbegin_guess2d;
3317         }
3318
3319         // we need to remember whether this is a 2D or 3D mesh we're adding to
3320         mod = draw2d ? CL_Mesh_UI() : CL_Mesh_CSQC();
3321         prog->polygonbegin_model = mod;
3322         Mod_Mesh_AddSurface(mod, Mod_Mesh_GetTexture(mod, texname, drawflags, TEXF_ALPHA, MATERIALFLAG_WALL | MATERIALFLAG_VERTEXCOLOR | MATERIALFLAG_ALPHAGEN_VERTEX), draw2d);
3323 }
3324
3325 //void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
3326 static void VM_CL_R_PolygonVertex (prvm_prog_t *prog)
3327 {
3328         const prvm_vec_t *v = PRVM_G_VECTOR(OFS_PARM0);
3329         const prvm_vec_t *tc = PRVM_G_VECTOR(OFS_PARM1);
3330         const prvm_vec_t *c = PRVM_G_VECTOR(OFS_PARM2);
3331         const prvm_vec_t a = PRVM_G_FLOAT(OFS_PARM3);
3332         dp_model_t *mod = prog->polygonbegin_model;
3333         int e0, e1, e2;
3334         msurface_t *surf;
3335
3336         VM_SAFEPARMCOUNT(4, VM_CL_R_PolygonVertex);
3337
3338         if (!mod || mod->num_surfaces == 0)
3339         {
3340                 VM_Warning(prog, "VM_CL_R_PolygonVertex: VM_CL_R_PolygonBegin wasn't called\n");
3341                 return;
3342         }
3343
3344         surf = &mod->data_surfaces[mod->num_surfaces - 1];
3345         e2 = Mod_Mesh_IndexForVertex(mod, surf, v[0], v[1], v[2], 0, 0, 0, tc[0], tc[1], 0, 0, c[0], c[1], c[2], a);
3346         if (surf->num_vertices >= 3)
3347         {
3348                 // the first element is the start of the triangle fan