Overhauled the tracebox extending code, it now lives in collision.c rather than cl_co...
[xonotic/darkplaces.git] / clvm_cmds.c
1 #include "quakedef.h"
2
3 #include "prvm_cmds.h"
4 #include "csprogs.h"
5 #include "cl_collision.h"
6 #include "r_shadow.h"
7 #include "jpeg.h"
8 #include "image.h"
9
10 //============================================================================
11 // Client
12 //[515]: unsolved PROBLEMS
13 //- finish player physics code (cs_runplayerphysics)
14 //- EntWasFreed ?
15 //- RF_DEPTHHACK is not like it should be
16 //- add builtin that sets cl.viewangles instead of reading "input_angles" global
17 //- finish lines support for R_Polygon***
18 //- insert selecttraceline into traceline somehow
19
20 //4 feature darkplaces csqc: add builtin to clientside qc for reading triangles of model meshes (useful to orient a ui along a triangle of a model mesh)
21 //4 feature darkplaces csqc: add builtins to clientside qc for gl calls
22
23 extern cvar_t v_flipped;
24 extern cvar_t r_equalize_entities_fullbright;
25
26 r_refdef_view_t csqc_original_r_refdef_view;
27 r_refdef_view_t csqc_main_r_refdef_view;
28
29 // #1 void(vector ang) makevectors
30 static void VM_CL_makevectors (prvm_prog_t *prog)
31 {
32         vec3_t angles, forward, right, up;
33         VM_SAFEPARMCOUNT(1, VM_CL_makevectors);
34         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), angles);
35         AngleVectors(angles, forward, right, up);
36         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
37         VectorCopy(right, PRVM_clientglobalvector(v_right));
38         VectorCopy(up, PRVM_clientglobalvector(v_up));
39 }
40
41 // #2 void(entity e, vector o) setorigin
42 static void VM_CL_setorigin (prvm_prog_t *prog)
43 {
44         prvm_edict_t    *e;
45         prvm_vec_t      *org;
46         VM_SAFEPARMCOUNT(2, VM_CL_setorigin);
47
48         e = PRVM_G_EDICT(OFS_PARM0);
49         if (e == prog->edicts)
50         {
51                 VM_Warning(prog, "setorigin: can not modify world entity\n");
52                 return;
53         }
54         if (e->priv.required->free)
55         {
56                 VM_Warning(prog, "setorigin: can not modify free entity\n");
57                 return;
58         }
59         org = PRVM_G_VECTOR(OFS_PARM1);
60         VectorCopy (org, PRVM_clientedictvector(e, origin));
61         if(e->priv.required->mark == PRVM_EDICT_MARK_WAIT_FOR_SETORIGIN)
62                 e->priv.required->mark = PRVM_EDICT_MARK_SETORIGIN_CAUGHT;
63         CL_LinkEdict(e);
64 }
65
66 static void SetMinMaxSizePRVM (prvm_prog_t *prog, prvm_edict_t *e, prvm_vec_t *min, prvm_vec_t *max)
67 {
68         int             i;
69
70         for (i=0 ; i<3 ; i++)
71                 if (min[i] > max[i])
72                         prog->error_cmd("SetMinMaxSize: backwards mins/maxs");
73
74         // set derived values
75         VectorCopy (min, PRVM_clientedictvector(e, mins));
76         VectorCopy (max, PRVM_clientedictvector(e, maxs));
77         VectorSubtract (max, min, PRVM_clientedictvector(e, size));
78
79         CL_LinkEdict (e);
80 }
81
82 static void SetMinMaxSize (prvm_prog_t *prog, prvm_edict_t *e, const vec_t *min, const vec_t *max)
83 {
84         prvm_vec3_t mins, maxs;
85         VectorCopy(min, mins);
86         VectorCopy(max, maxs);
87         SetMinMaxSizePRVM(prog, e, mins, maxs);
88 }
89
90 // #3 void(entity e, string m) setmodel
91 static void VM_CL_setmodel (prvm_prog_t *prog)
92 {
93         prvm_edict_t    *e;
94         const char              *m;
95         dp_model_t *mod;
96         int                             i;
97
98         VM_SAFEPARMCOUNT(2, VM_CL_setmodel);
99
100         e = PRVM_G_EDICT(OFS_PARM0);
101         PRVM_clientedictfloat(e, modelindex) = 0;
102         PRVM_clientedictstring(e, model) = 0;
103
104         m = PRVM_G_STRING(OFS_PARM1);
105         mod = NULL;
106         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
107         {
108                 if (!strcmp(cl.csqc_model_precache[i]->name, m))
109                 {
110                         mod = cl.csqc_model_precache[i];
111                         PRVM_clientedictstring(e, model) = PRVM_SetEngineString(prog, mod->name);
112                         PRVM_clientedictfloat(e, modelindex) = -(i+1);
113                         break;
114                 }
115         }
116
117         if( !mod ) {
118                 for (i = 0;i < MAX_MODELS;i++)
119                 {
120                         mod = cl.model_precache[i];
121                         if (mod && !strcmp(mod->name, m))
122                         {
123                                 PRVM_clientedictstring(e, model) = PRVM_SetEngineString(prog, mod->name);
124                                 PRVM_clientedictfloat(e, modelindex) = i;
125                                 break;
126                         }
127                 }
128         }
129
130         if( mod ) {
131                 // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
132                 // LordHavoc: erm you broke it by commenting this out - setmodel must do setsize or else the qc can't find out the model size, and ssqc does this by necessity, consistency.
133                 SetMinMaxSize (prog, e, mod->normalmins, mod->normalmaxs);
134         }
135         else
136         {
137                 SetMinMaxSize (prog, e, vec3_origin, vec3_origin);
138                 VM_Warning(prog, "setmodel: model '%s' not precached\n", m);
139         }
140 }
141
142 // #4 void(entity e, vector min, vector max) setsize
143 static void VM_CL_setsize (prvm_prog_t *prog)
144 {
145         prvm_edict_t    *e;
146         vec3_t          mins, maxs;
147         VM_SAFEPARMCOUNT(3, VM_CL_setsize);
148
149         e = PRVM_G_EDICT(OFS_PARM0);
150         if (e == prog->edicts)
151         {
152                 VM_Warning(prog, "setsize: can not modify world entity\n");
153                 return;
154         }
155         if (e->priv.server->free)
156         {
157                 VM_Warning(prog, "setsize: can not modify free entity\n");
158                 return;
159         }
160         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), mins);
161         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), maxs);
162
163         SetMinMaxSize( prog, e, mins, maxs );
164
165         CL_LinkEdict(e);
166 }
167
168 // #8 void(entity e, float chan, string samp, float volume, float atten[, float pitchchange[, float flags]]) sound
169 static void VM_CL_sound (prvm_prog_t *prog)
170 {
171         const char                      *sample;
172         int                                     channel;
173         prvm_edict_t            *entity;
174         float                           volume;
175         float                           attenuation;
176         float pitchchange;
177         float                           startposition;
178         int flags;
179         vec3_t                          org;
180
181         VM_SAFEPARMCOUNTRANGE(5, 7, VM_CL_sound);
182
183         entity = PRVM_G_EDICT(OFS_PARM0);
184         channel = (int)PRVM_G_FLOAT(OFS_PARM1);
185         sample = PRVM_G_STRING(OFS_PARM2);
186         volume = PRVM_G_FLOAT(OFS_PARM3);
187         attenuation = PRVM_G_FLOAT(OFS_PARM4);
188
189         if (volume < 0 || volume > 1)
190         {
191                 VM_Warning(prog, "VM_CL_sound: volume must be in range 0-1\n");
192                 return;
193         }
194
195         if (attenuation < 0 || attenuation > 4)
196         {
197                 VM_Warning(prog, "VM_CL_sound: attenuation must be in range 0-4\n");
198                 return;
199         }
200
201         if (prog->argc < 6)
202                 pitchchange = 0;
203         else
204                 pitchchange = PRVM_G_FLOAT(OFS_PARM5);
205
206         if (prog->argc < 7)
207                 flags = 0;
208         else
209         {
210                 // LordHavoc: we only let the qc set certain flags, others are off-limits
211                 flags = (int)PRVM_G_FLOAT(OFS_PARM6) & (CHANNELFLAG_RELIABLE | CHANNELFLAG_FORCELOOP | CHANNELFLAG_PAUSED);
212         }
213
214         // sound_starttime exists instead of sound_startposition because in a
215         // networking sense you might not know when something is being received,
216         // so making sounds match up in sync would be impossible if relative
217         // position was sent
218         if (PRVM_clientglobalfloat(sound_starttime))
219                 startposition = cl.time - PRVM_clientglobalfloat(sound_starttime);
220         else
221                 startposition = 0;
222
223         channel = CHAN_USER2ENGINE(channel);
224
225         if (!IS_CHAN(channel))
226         {
227                 VM_Warning(prog, "VM_CL_sound: channel must be in range 0-127\n");
228                 return;
229         }
230
231         CL_VM_GetEntitySoundOrigin(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), org);
232         S_StartSound_StartPosition_Flags(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), channel, S_FindName(sample), org, volume, attenuation, startposition, flags, pitchchange > 0.0f ? pitchchange * 0.01f : 1.0f);
233 }
234
235 // #483 void(vector origin, string sample, float volume, float attenuation) pointsound
236 static void VM_CL_pointsound(prvm_prog_t *prog)
237 {
238         const char                      *sample;
239         float                           volume;
240         float                           attenuation;
241         vec3_t                          org;
242
243         VM_SAFEPARMCOUNT(4, VM_CL_pointsound);
244
245         VectorCopy( PRVM_G_VECTOR(OFS_PARM0), org);
246         sample = PRVM_G_STRING(OFS_PARM1);
247         volume = PRVM_G_FLOAT(OFS_PARM2);
248         attenuation = PRVM_G_FLOAT(OFS_PARM3);
249
250         if (volume < 0 || volume > 1)
251         {
252                 VM_Warning(prog, "VM_CL_pointsound: volume must be in range 0-1\n");
253                 return;
254         }
255
256         if (attenuation < 0 || attenuation > 4)
257         {
258                 VM_Warning(prog, "VM_CL_pointsound: attenuation must be in range 0-4\n");
259                 return;
260         }
261
262         // Send World Entity as Entity to Play Sound (for CSQC, that is MAX_EDICTS)
263         S_StartSound(MAX_EDICTS, 0, S_FindName(sample), org, volume, attenuation);
264 }
265
266 // #14 entity() spawn
267 static void VM_CL_spawn (prvm_prog_t *prog)
268 {
269         prvm_edict_t *ed;
270         ed = PRVM_ED_Alloc(prog);
271         VM_RETURN_EDICT(ed);
272 }
273
274 static void CL_VM_SetTraceGlobals(prvm_prog_t *prog, const trace_t *trace, int svent)
275 {
276         VM_SetTraceGlobals(prog, trace);
277         PRVM_clientglobalfloat(trace_networkentity) = svent;
278 }
279
280 #define CL_HitNetworkBrushModels(move) !((move) == MOVE_WORLDONLY)
281 #define CL_HitNetworkPlayers(move)     !((move) == MOVE_WORLDONLY || (move) == MOVE_NOMONSTERS)
282
283 // #16 void(vector v1, vector v2, float movetype, entity ignore) traceline
284 static void VM_CL_traceline (prvm_prog_t *prog)
285 {
286         vec3_t  v1, v2;
287         trace_t trace;
288         int             move, svent;
289         prvm_edict_t    *ent;
290
291 //      R_TimeReport("pretraceline");
292
293         VM_SAFEPARMCOUNTRANGE(4, 4, VM_CL_traceline);
294
295         prog->xfunction->builtinsprofile += 30;
296
297         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), v1);
298         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), v2);
299         move = (int)PRVM_G_FLOAT(OFS_PARM2);
300         ent = PRVM_G_EDICT(OFS_PARM3);
301
302         if (VEC_IS_NAN(v1[0]) || VEC_IS_NAN(v1[1]) || VEC_IS_NAN(v1[2]) || VEC_IS_NAN(v2[0]) || VEC_IS_NAN(v2[1]) || VEC_IS_NAN(v2[2]))
303                 prog->error_cmd("%s: NAN errors detected in traceline('%f %f %f', '%f %f %f', %i, entity %i)\n", prog->name, v1[0], v1[1], v1[2], v2[0], v2[1], v2[2], move, PRVM_EDICT_TO_PROG(ent));
304
305         trace = CL_TraceLine(v1, v2, move, ent, CL_GenericHitSuperContentsMask(ent), 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), 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), 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), 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), 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), 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(NULL, CL_PointSuperContents(point));
666 }
667
668 // #48 void(vector o, vector d, float color, float count) particle
669 static void VM_CL_particle (prvm_prog_t *prog)
670 {
671         vec3_t org, dir;
672         int             count;
673         unsigned char   color;
674         VM_SAFEPARMCOUNT(4, VM_CL_particle);
675
676         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
677         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
678         color = (int)PRVM_G_FLOAT(OFS_PARM2);
679         count = (int)PRVM_G_FLOAT(OFS_PARM3);
680         CL_ParticleEffect(EFFECT_SVC_PARTICLE, count, org, org, dir, dir, NULL, color);
681 }
682
683 // #74 void(vector pos, string samp, float vol, float atten) ambientsound
684 static void VM_CL_ambientsound (prvm_prog_t *prog)
685 {
686         vec3_t f;
687         sfx_t   *s;
688         VM_SAFEPARMCOUNT(4, VM_CL_ambientsound);
689         s = S_FindName(PRVM_G_STRING(OFS_PARM0));
690         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f);
691         S_StaticSound (s, f, PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM3)*64);
692 }
693
694 // #92 vector(vector org[, float lpflag]) getlight (DP_QC_GETLIGHT)
695 static void VM_CL_getlight (prvm_prog_t *prog)
696 {
697         vec3_t ambientcolor, diffusecolor, diffusenormal;
698         vec3_t p;
699
700         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getlight);
701
702         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), p);
703         VectorClear(ambientcolor);
704         VectorClear(diffusecolor);
705         VectorClear(diffusenormal);
706         if (prog->argc >= 2)
707                 R_CompleteLightPoint(ambientcolor, diffusecolor, diffusenormal, p, PRVM_G_FLOAT(OFS_PARM1));
708         else if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
709                 cl.worldmodel->brush.LightPoint(cl.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
710         VectorMA(ambientcolor, 0.5, diffusecolor, PRVM_G_VECTOR(OFS_RETURN));
711         if (PRVM_clientglobalvector(getlight_ambient))
712                 VectorCopy(ambientcolor, PRVM_clientglobalvector(getlight_ambient));
713         if (PRVM_clientglobalvector(getlight_diffuse))
714                 VectorCopy(diffusecolor, PRVM_clientglobalvector(getlight_diffuse));
715         if (PRVM_clientglobalvector(getlight_dir))
716                 VectorCopy(diffusenormal, PRVM_clientglobalvector(getlight_dir));
717 }
718
719 //============================================================================
720 //[515]: SCENE MANAGER builtins
721
722 void CSQC_R_RecalcView (void)
723 {
724         extern matrix4x4_t viewmodelmatrix_nobob;
725         extern matrix4x4_t viewmodelmatrix_withbob;
726         Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, cl.csqc_vieworigin[0], cl.csqc_vieworigin[1], cl.csqc_vieworigin[2], cl.csqc_viewangles[0], cl.csqc_viewangles[1], cl.csqc_viewangles[2], 1);
727         Matrix4x4_Copy(&viewmodelmatrix_nobob, &r_refdef.view.matrix);
728         Matrix4x4_ConcatScale(&viewmodelmatrix_nobob, cl_viewmodel_scale.value);
729         Matrix4x4_Concat(&viewmodelmatrix_withbob, &r_refdef.view.matrix, &cl.csqc_viewmodelmatrixfromengine);
730 }
731
732 //#300 void() clearscene (EXT_CSQC)
733 static void VM_CL_R_ClearScene (prvm_prog_t *prog)
734 {
735         VM_SAFEPARMCOUNT(0, VM_CL_R_ClearScene);
736         // clear renderable entity and light lists
737         r_refdef.scene.numentities = 0;
738         r_refdef.scene.numlights = 0;
739         // restore the view settings to the values that VM_CL_UpdateView received from the client code
740         r_refdef.view = csqc_original_r_refdef_view;
741         VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
742         VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
743         cl.csqc_vidvars.drawworld = r_drawworld.integer != 0;
744         cl.csqc_vidvars.drawenginesbar = false;
745         cl.csqc_vidvars.drawcrosshair = false;
746         CSQC_R_RecalcView();
747 }
748
749 //#301 void(float mask) addentities (EXT_CSQC)
750 static void VM_CL_R_AddEntities (prvm_prog_t *prog)
751 {
752         double t = Sys_DirtyTime();
753         int                     i, drawmask;
754         prvm_edict_t *ed;
755         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntities);
756         drawmask = (int)PRVM_G_FLOAT(OFS_PARM0);
757         CSQC_RelinkAllEntities(drawmask);
758         CL_RelinkLightFlashes();
759
760         PRVM_clientglobalfloat(time) = cl.time;
761         for(i=1;i<prog->num_edicts;i++)
762         {
763                 // so we can easily check if CSQC entity #edictnum is currently drawn
764                 cl.csqcrenderentities[i].entitynumber = 0;
765                 ed = &prog->edicts[i];
766                 if(ed->priv.required->free)
767                         continue;
768                 CSQC_Think(ed);
769                 if(ed->priv.required->free)
770                         continue;
771                 // note that for RF_USEAXIS entities, Predraw sets v_forward/v_right/v_up globals that are read by CSQC_AddRenderEdict
772                 CSQC_Predraw(ed);
773                 if(ed->priv.required->free)
774                         continue;
775                 if(!((int)PRVM_clientedictfloat(ed, drawmask) & drawmask))
776                         continue;
777                 CSQC_AddRenderEdict(ed, i);
778         }
779
780         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
781         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
782         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
783 }
784
785 //#302 void(entity ent) addentity (EXT_CSQC)
786 static void VM_CL_R_AddEntity (prvm_prog_t *prog)
787 {
788         double t = Sys_DirtyTime();
789         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntity);
790         CSQC_AddRenderEdict(PRVM_G_EDICT(OFS_PARM0), 0);
791         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
792         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
793 }
794
795 //#303 float(float property, ...) setproperty (EXT_CSQC)
796 //#303 float(float property) getproperty
797 //#303 vector(float property) getpropertyvec
798 //#309 float(float property) getproperty
799 //#309 vector(float property) getpropertyvec
800 // VorteX: make this function be able to return previously set property if new value is not given
801 static void VM_CL_R_SetView (prvm_prog_t *prog)
802 {
803         int             c;
804         prvm_vec_t      *f;
805         float   k;
806
807         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_R_SetView);
808
809         c = (int)PRVM_G_FLOAT(OFS_PARM0);
810
811         // return value?
812         if (prog->argc < 2)
813         {
814                 switch(c)
815                 {
816                 case VF_MIN:
817                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.x, r_refdef.view.y, 0);
818                         break;
819                 case VF_MIN_X:
820                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.x;
821                         break;
822                 case VF_MIN_Y:
823                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.y;
824                         break;
825                 case VF_SIZE:
826                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.width, r_refdef.view.height, 0);
827                         break;
828                 case VF_SIZE_X:
829                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.width;
830                         break;
831                 case VF_SIZE_Y:
832                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.height;
833                         break;
834                 case VF_VIEWPORT:
835                         VM_Warning(prog, "VM_CL_R_GetView : VF_VIEWPORT can't be retrieved, use VF_MIN/VF_SIZE instead\n");
836                         break;
837                 case VF_FOV:
838                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.ortho_x, r_refdef.view.ortho_y, 0);
839                         break;
840                 case VF_FOVX:
841                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_x;
842                         break;
843                 case VF_FOVY:
844                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_y;
845                         break;
846                 case VF_ORIGIN:
847                         VectorCopy(cl.csqc_vieworigin, PRVM_G_VECTOR(OFS_RETURN));
848                         break;
849                 case VF_ORIGIN_X:
850                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[0];
851                         break;
852                 case VF_ORIGIN_Y:
853                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[1];
854                         break;
855                 case VF_ORIGIN_Z:
856                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[2];
857                         break;
858                 case VF_ANGLES:
859                         VectorCopy(cl.csqc_viewangles, PRVM_G_VECTOR(OFS_RETURN));
860                         break;
861                 case VF_ANGLES_X:
862                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[0];
863                         break;
864                 case VF_ANGLES_Y:
865                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[1];
866                         break;
867                 case VF_ANGLES_Z:
868                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[2];
869                         break;
870                 case VF_DRAWWORLD:
871                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawworld;
872                         break;
873                 case VF_DRAWENGINESBAR:
874                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawenginesbar;
875                         break;
876                 case VF_DRAWCROSSHAIR:
877                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawcrosshair;
878                         break;
879                 case VF_CL_VIEWANGLES:
880                         VectorCopy(cl.viewangles, PRVM_G_VECTOR(OFS_RETURN));;
881                         break;
882                 case VF_CL_VIEWANGLES_X:
883                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[0];
884                         break;
885                 case VF_CL_VIEWANGLES_Y:
886                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[1];
887                         break;
888                 case VF_CL_VIEWANGLES_Z:
889                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[2];
890                         break;
891                 case VF_PERSPECTIVE:
892                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.useperspective;
893                         break;
894                 case VF_CLEARSCREEN:
895                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.isoverlay;
896                         break;
897                 case VF_MAINVIEW:
898                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
899                         break;
900                 case VF_FOG_DENSITY:
901                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_density;
902                         break;
903                 case VF_FOG_COLOR:
904                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
905                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
906                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
907                         break;
908                 case VF_FOG_COLOR_R:
909                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
910                         break;
911                 case VF_FOG_COLOR_G:
912                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
913                         break;
914                 case VF_FOG_COLOR_B:
915                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
916                         break;
917                 case VF_FOG_ALPHA:
918                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_alpha;
919                         break;
920                 case VF_FOG_START:
921                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_start;
922                         break;
923                 case VF_FOG_END:
924                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_end;
925                         break;
926                 case VF_FOG_HEIGHT:
927                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_height;
928                         break;
929                 case VF_FOG_FADEDEPTH:
930                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_fadedepth;
931                         break;
932                 case VF_MINFPS_QUALITY:
933                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.quality;
934                         break;
935                 default:
936                         PRVM_G_FLOAT(OFS_RETURN) = 0;
937                         VM_Warning(prog, "VM_CL_R_GetView : unknown parm %i\n", c);
938                         return;
939                 }
940                 return;
941         }
942
943         f = PRVM_G_VECTOR(OFS_PARM1);
944         k = PRVM_G_FLOAT(OFS_PARM1);
945         switch(c)
946         {
947         case VF_MIN:
948                 r_refdef.view.x = (int)(f[0]);
949                 r_refdef.view.y = (int)(f[1]);
950                 DrawQ_RecalcView();
951                 break;
952         case VF_MIN_X:
953                 r_refdef.view.x = (int)(k);
954                 DrawQ_RecalcView();
955                 break;
956         case VF_MIN_Y:
957                 r_refdef.view.y = (int)(k);
958                 DrawQ_RecalcView();
959                 break;
960         case VF_SIZE:
961                 r_refdef.view.width = (int)(f[0]);
962                 r_refdef.view.height = (int)(f[1]);
963                 DrawQ_RecalcView();
964                 break;
965         case VF_SIZE_X:
966                 r_refdef.view.width = (int)(k);
967                 DrawQ_RecalcView();
968                 break;
969         case VF_SIZE_Y:
970                 r_refdef.view.height = (int)(k);
971                 DrawQ_RecalcView();
972                 break;
973         case VF_VIEWPORT:
974                 r_refdef.view.x = (int)(f[0]);
975                 r_refdef.view.y = (int)(f[1]);
976                 f = PRVM_G_VECTOR(OFS_PARM2);
977                 r_refdef.view.width = (int)(f[0]);
978                 r_refdef.view.height = (int)(f[1]);
979                 DrawQ_RecalcView();
980                 break;
981         case VF_FOV:
982                 r_refdef.view.frustum_x = tan(f[0] * M_PI / 360.0);r_refdef.view.ortho_x = f[0];
983                 r_refdef.view.frustum_y = tan(f[1] * M_PI / 360.0);r_refdef.view.ortho_y = f[1];
984                 break;
985         case VF_FOVX:
986                 r_refdef.view.frustum_x = tan(k * M_PI / 360.0);r_refdef.view.ortho_x = k;
987                 break;
988         case VF_FOVY:
989                 r_refdef.view.frustum_y = tan(k * M_PI / 360.0);r_refdef.view.ortho_y = k;
990                 break;
991         case VF_ORIGIN:
992                 VectorCopy(f, cl.csqc_vieworigin);
993                 CSQC_R_RecalcView();
994                 break;
995         case VF_ORIGIN_X:
996                 cl.csqc_vieworigin[0] = k;
997                 CSQC_R_RecalcView();
998                 break;
999         case VF_ORIGIN_Y:
1000                 cl.csqc_vieworigin[1] = k;
1001                 CSQC_R_RecalcView();
1002                 break;
1003         case VF_ORIGIN_Z:
1004                 cl.csqc_vieworigin[2] = k;
1005                 CSQC_R_RecalcView();
1006                 break;
1007         case VF_ANGLES:
1008                 VectorCopy(f, cl.csqc_viewangles);
1009                 CSQC_R_RecalcView();
1010                 break;
1011         case VF_ANGLES_X:
1012                 cl.csqc_viewangles[0] = k;
1013                 CSQC_R_RecalcView();
1014                 break;
1015         case VF_ANGLES_Y:
1016                 cl.csqc_viewangles[1] = k;
1017                 CSQC_R_RecalcView();
1018                 break;
1019         case VF_ANGLES_Z:
1020                 cl.csqc_viewangles[2] = k;
1021                 CSQC_R_RecalcView();
1022                 break;
1023         case VF_DRAWWORLD:
1024                 cl.csqc_vidvars.drawworld = ((k != 0) && r_drawworld.integer);
1025                 break;
1026         case VF_DRAWENGINESBAR:
1027                 cl.csqc_vidvars.drawenginesbar = k != 0;
1028                 break;
1029         case VF_DRAWCROSSHAIR:
1030                 cl.csqc_vidvars.drawcrosshair = k != 0;
1031                 break;
1032         case VF_CL_VIEWANGLES:
1033                 VectorCopy(f, cl.viewangles);
1034                 break;
1035         case VF_CL_VIEWANGLES_X:
1036                 cl.viewangles[0] = k;
1037                 break;
1038         case VF_CL_VIEWANGLES_Y:
1039                 cl.viewangles[1] = k;
1040                 break;
1041         case VF_CL_VIEWANGLES_Z:
1042                 cl.viewangles[2] = k;
1043                 break;
1044         case VF_PERSPECTIVE:
1045                 r_refdef.view.useperspective = k != 0;
1046                 break;
1047         case VF_CLEARSCREEN:
1048                 r_refdef.view.isoverlay = !k;
1049                 break;
1050         case VF_MAINVIEW:
1051                 PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
1052                 break;
1053         case VF_FOG_DENSITY:
1054                 r_refdef.fog_density = k;
1055                 break;
1056         case VF_FOG_COLOR:
1057                 r_refdef.fog_red = f[0];
1058                 r_refdef.fog_green = f[1];
1059                 r_refdef.fog_blue = f[2];
1060                 break;
1061         case VF_FOG_COLOR_R:
1062                 r_refdef.fog_red = k;
1063                 break;
1064         case VF_FOG_COLOR_G:
1065                 r_refdef.fog_green = k;
1066                 break;
1067         case VF_FOG_COLOR_B:
1068                 r_refdef.fog_blue = k;
1069                 break;
1070         case VF_FOG_ALPHA:
1071                 r_refdef.fog_alpha = k;
1072                 break;
1073         case VF_FOG_START:
1074                 r_refdef.fog_start = k;
1075                 break;
1076         case VF_FOG_END:
1077                 r_refdef.fog_end = k;
1078                 break;
1079         case VF_FOG_HEIGHT:
1080                 r_refdef.fog_height = k;
1081                 break;
1082         case VF_FOG_FADEDEPTH:
1083                 r_refdef.fog_fadedepth = k;
1084                 break;
1085         case VF_MINFPS_QUALITY:
1086                 r_refdef.view.quality = k;
1087                 break;
1088         default:
1089                 PRVM_G_FLOAT(OFS_RETURN) = 0;
1090                 VM_Warning(prog, "VM_CL_R_SetView : unknown parm %i\n", c);
1091                 return;
1092         }
1093         PRVM_G_FLOAT(OFS_RETURN) = 1;
1094 }
1095
1096 //#305 void(vector org, float radius, vector lightcolours[, float style, string cubemapname, float pflags]) adddynamiclight (EXT_CSQC)
1097 static void VM_CL_R_AddDynamicLight (prvm_prog_t *prog)
1098 {
1099         double t = Sys_DirtyTime();
1100         vec3_t org;
1101         float radius = 300;
1102         vec3_t col;
1103         int style = -1;
1104         const char *cubemapname = NULL;
1105         int pflags = PFLAGS_CORONA | PFLAGS_FULLDYNAMIC;
1106         float coronaintensity = 1;
1107         float coronasizescale = 0.25;
1108         qboolean castshadow = true;
1109         float ambientscale = 0;
1110         float diffusescale = 1;
1111         float specularscale = 1;
1112         matrix4x4_t matrix;
1113         vec3_t forward, left, up;
1114         VM_SAFEPARMCOUNTRANGE(3, 8, VM_CL_R_AddDynamicLight);
1115
1116         // if we've run out of dlights, just return
1117         if (r_refdef.scene.numlights >= MAX_DLIGHTS)
1118                 return;
1119
1120         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
1121         radius = PRVM_G_FLOAT(OFS_PARM1);
1122         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), col);
1123         if (prog->argc >= 4)
1124         {
1125                 style = (int)PRVM_G_FLOAT(OFS_PARM3);
1126                 if (style >= MAX_LIGHTSTYLES)
1127                 {
1128                         Con_DPrintf("VM_CL_R_AddDynamicLight: out of bounds lightstyle index %i\n", style);
1129                         style = -1;
1130                 }
1131         }
1132         if (prog->argc >= 5)
1133                 cubemapname = PRVM_G_STRING(OFS_PARM4);
1134         if (prog->argc >= 6)
1135                 pflags = (int)PRVM_G_FLOAT(OFS_PARM5);
1136         coronaintensity = (pflags & PFLAGS_CORONA) != 0;
1137         castshadow = (pflags & PFLAGS_NOSHADOW) == 0;
1138
1139         VectorScale(PRVM_clientglobalvector(v_forward), radius, forward);
1140         VectorScale(PRVM_clientglobalvector(v_right), -radius, left);
1141         VectorScale(PRVM_clientglobalvector(v_up), radius, up);
1142         Matrix4x4_FromVectors(&matrix, forward, left, up, org);
1143
1144         R_RTLight_Update(&r_refdef.scene.templights[r_refdef.scene.numlights], false, &matrix, col, style, cubemapname, castshadow, coronaintensity, coronasizescale, ambientscale, diffusescale, specularscale, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1145         r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1146         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
1147         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
1148 }
1149
1150 //============================================================================
1151
1152 //#310 vector (vector v) cs_unproject (EXT_CSQC)
1153 static void VM_CL_unproject (prvm_prog_t *prog)
1154 {
1155         vec3_t f;
1156         vec3_t temp;
1157         vec3_t result;
1158
1159         VM_SAFEPARMCOUNT(1, VM_CL_unproject);
1160         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), f);
1161         VectorSet(temp,
1162                 f[2],
1163                 (-1.0 + 2.0 * (f[0] / vid_conwidth.integer)) * f[2] * -r_refdef.view.frustum_x,
1164                 (-1.0 + 2.0 * (f[1] / vid_conheight.integer)) * f[2] * -r_refdef.view.frustum_y);
1165         if(v_flipped.integer)
1166                 temp[1] = -temp[1];
1167         Matrix4x4_Transform(&r_refdef.view.matrix, temp, result);
1168         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
1169 }
1170
1171 //#311 vector (vector v) cs_project (EXT_CSQC)
1172 static void VM_CL_project (prvm_prog_t *prog)
1173 {
1174         vec3_t f;
1175         vec3_t v;
1176         matrix4x4_t m;
1177
1178         VM_SAFEPARMCOUNT(1, VM_CL_project);
1179         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), f);
1180         Matrix4x4_Invert_Simple(&m, &r_refdef.view.matrix);
1181         Matrix4x4_Transform(&m, f, v);
1182         if(v_flipped.integer)
1183                 v[1] = -v[1];
1184         VectorSet(PRVM_G_VECTOR(OFS_RETURN),
1185                 vid_conwidth.integer * (0.5*(1.0+v[1]/v[0]/-r_refdef.view.frustum_x)),
1186                 vid_conheight.integer * (0.5*(1.0+v[2]/v[0]/-r_refdef.view.frustum_y)),
1187                 v[0]);
1188         // explanation:
1189         // after transforming, relative position to viewport (0..1) = 0.5 * (1 + v[2]/v[0]/-frustum_{x \or y})
1190         // as 2D drawing honors the viewport too, to get the same pixel, we simply multiply this by conwidth/height
1191 }
1192
1193 //#330 float(float stnum) getstatf (EXT_CSQC)
1194 static void VM_CL_getstatf (prvm_prog_t *prog)
1195 {
1196         int i;
1197         union
1198         {
1199                 float f;
1200                 int l;
1201         }dat;
1202         VM_SAFEPARMCOUNT(1, VM_CL_getstatf);
1203         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1204         if(i < 0 || i >= MAX_CL_STATS)
1205         {
1206                 VM_Warning(prog, "VM_CL_getstatf: index>=MAX_CL_STATS or index<0\n");
1207                 return;
1208         }
1209         dat.l = cl.stats[i];
1210         PRVM_G_FLOAT(OFS_RETURN) =  dat.f;
1211 }
1212
1213 //#331 float(float stnum) getstati (EXT_CSQC)
1214 static void VM_CL_getstati (prvm_prog_t *prog)
1215 {
1216         int i, index;
1217         int firstbit, bitcount;
1218
1219         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getstati);
1220
1221         index = (int)PRVM_G_FLOAT(OFS_PARM0);
1222         if (prog->argc > 1)
1223         {
1224                 firstbit = (int)PRVM_G_FLOAT(OFS_PARM1);
1225                 if (prog->argc > 2)
1226                         bitcount = (int)PRVM_G_FLOAT(OFS_PARM2);
1227                 else
1228                         bitcount = 1;
1229         }
1230         else
1231         {
1232                 firstbit = 0;
1233                 bitcount = 32;
1234         }
1235
1236         if(index < 0 || index >= MAX_CL_STATS)
1237         {
1238                 VM_Warning(prog, "VM_CL_getstati: index>=MAX_CL_STATS or index<0\n");
1239                 return;
1240         }
1241         i = cl.stats[index];
1242         if (bitcount != 32)     //32 causes the mask to overflow, so there's nothing to subtract from.
1243                 i = (((unsigned int)i)&(((1<<bitcount)-1)<<firstbit))>>firstbit;
1244         PRVM_G_FLOAT(OFS_RETURN) = i;
1245 }
1246
1247 //#332 string(float firststnum) getstats (EXT_CSQC)
1248 static void VM_CL_getstats (prvm_prog_t *prog)
1249 {
1250         int i;
1251         char t[17];
1252         VM_SAFEPARMCOUNT(1, VM_CL_getstats);
1253         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1254         if(i < 0 || i > MAX_CL_STATS-4)
1255         {
1256                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1257                 VM_Warning(prog, "VM_CL_getstats: index>MAX_CL_STATS-4 or index<0\n");
1258                 return;
1259         }
1260         strlcpy(t, (char*)&cl.stats[i], sizeof(t));
1261         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1262 }
1263
1264 //#333 void(entity e, float mdlindex) setmodelindex (EXT_CSQC)
1265 static void VM_CL_setmodelindex (prvm_prog_t *prog)
1266 {
1267         int                             i;
1268         prvm_edict_t    *t;
1269         struct model_s  *model;
1270
1271         VM_SAFEPARMCOUNT(2, VM_CL_setmodelindex);
1272
1273         t = PRVM_G_EDICT(OFS_PARM0);
1274
1275         i = (int)PRVM_G_FLOAT(OFS_PARM1);
1276
1277         PRVM_clientedictstring(t, model) = 0;
1278         PRVM_clientedictfloat(t, modelindex) = 0;
1279
1280         if (!i)
1281                 return;
1282
1283         model = CL_GetModelByIndex(i);
1284         if (!model)
1285         {
1286                 VM_Warning(prog, "VM_CL_setmodelindex: null model\n");
1287                 return;
1288         }
1289         PRVM_clientedictstring(t, model) = PRVM_SetEngineString(prog, model->name);
1290         PRVM_clientedictfloat(t, modelindex) = i;
1291
1292         // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
1293         if (model)
1294         {
1295                 SetMinMaxSize (prog, t, model->normalmins, model->normalmaxs);
1296         }
1297         else
1298                 SetMinMaxSize (prog, t, vec3_origin, vec3_origin);
1299 }
1300
1301 //#334 string(float mdlindex) modelnameforindex (EXT_CSQC)
1302 static void VM_CL_modelnameforindex (prvm_prog_t *prog)
1303 {
1304         dp_model_t *model;
1305
1306         VM_SAFEPARMCOUNT(1, VM_CL_modelnameforindex);
1307
1308         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1309         model = CL_GetModelByIndex((int)PRVM_G_FLOAT(OFS_PARM0));
1310         PRVM_G_INT(OFS_RETURN) = model ? PRVM_SetEngineString(prog, model->name) : 0;
1311 }
1312
1313 //#335 float(string effectname) particleeffectnum (EXT_CSQC)
1314 static void VM_CL_particleeffectnum (prvm_prog_t *prog)
1315 {
1316         int                     i;
1317         VM_SAFEPARMCOUNT(1, VM_CL_particleeffectnum);
1318         i = CL_ParticleEffectIndexForName(PRVM_G_STRING(OFS_PARM0));
1319         if (i == 0)
1320                 i = -1;
1321         PRVM_G_FLOAT(OFS_RETURN) = i;
1322 }
1323
1324 // #336 void(entity ent, float effectnum, vector start, vector end[, float color]) trailparticles (EXT_CSQC)
1325 static void VM_CL_trailparticles (prvm_prog_t *prog)
1326 {
1327         int                             i;
1328         vec3_t                  start, end, velocity;
1329         prvm_edict_t    *t;
1330         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_trailparticles);
1331
1332         t = PRVM_G_EDICT(OFS_PARM0);
1333         i               = (int)PRVM_G_FLOAT(OFS_PARM1);
1334         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), start);
1335         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), end);
1336         VectorCopy(PRVM_clientedictvector(t, velocity), velocity);
1337
1338         if (i < 0)
1339                 return;
1340         CL_ParticleTrail(i, 1, start, end, velocity, velocity, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0, true, true, NULL, NULL, 1);
1341 }
1342
1343 //#337 void(float effectnum, vector origin, vector dir, float count[, float color]) pointparticles (EXT_CSQC)
1344 static void VM_CL_pointparticles (prvm_prog_t *prog)
1345 {
1346         int                     i;
1347         float n;
1348         vec3_t f, v;
1349         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_pointparticles);
1350         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1351         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f);
1352         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), v);
1353         n = PRVM_G_FLOAT(OFS_PARM3);
1354         if (i < 0)
1355                 return;
1356         CL_ParticleEffect(i, n, f, f, v, v, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1357 }
1358
1359 //#502 void(float effectnum, entity own, vector origin_from, vector origin_to, vector dir_from, vector dir_to, float count, float extflags) boxparticles (DP_CSQC_BOXPARTICLES)
1360 static void VM_CL_boxparticles (prvm_prog_t *prog)
1361 {
1362         int effectnum;
1363         // prvm_edict_t *own;
1364         vec3_t origin_from, origin_to, dir_from, dir_to;
1365         float count;
1366         int flags;
1367         qboolean istrail;
1368         float tintmins[4], tintmaxs[4], fade;
1369         VM_SAFEPARMCOUNTRANGE(7, 8, VM_CL_boxparticles);
1370
1371         effectnum = (int)PRVM_G_FLOAT(OFS_PARM0);
1372         if (effectnum < 0)
1373                 return;
1374         // own = PRVM_G_EDICT(OFS_PARM1); // TODO find use for this
1375         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), origin_from);
1376         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), origin_to  );
1377         VectorCopy(PRVM_G_VECTOR(OFS_PARM4), dir_from   );
1378         VectorCopy(PRVM_G_VECTOR(OFS_PARM5), dir_to     );
1379         count = PRVM_G_FLOAT(OFS_PARM6);
1380         if(prog->argc >= 8)
1381                 flags = PRVM_G_FLOAT(OFS_PARM7);
1382         else
1383                 flags = 0;
1384
1385         Vector4Set(tintmins, 1, 1, 1, 1);
1386         Vector4Set(tintmaxs, 1, 1, 1, 1);
1387         fade = 1;
1388         istrail = false;
1389
1390         if(flags & 1) // read alpha
1391         {
1392                 tintmins[3] = PRVM_clientglobalfloat(particles_alphamin);
1393                 tintmaxs[3] = PRVM_clientglobalfloat(particles_alphamax);
1394         }
1395         if(flags & 2) // read color
1396         {
1397                 VectorCopy(PRVM_clientglobalvector(particles_colormin), tintmins);
1398                 VectorCopy(PRVM_clientglobalvector(particles_colormax), tintmaxs);
1399         }
1400         if(flags & 4) // read fade
1401         {
1402                 fade = PRVM_clientglobalfloat(particles_fade);
1403         }
1404         if(flags & 128) // draw as trail
1405         {
1406                 istrail = true;
1407         }
1408
1409         if (istrail)
1410                 CL_ParticleTrail(effectnum, count, origin_from, origin_to, dir_from, dir_to, NULL, 0, true, true, tintmins, tintmaxs, fade);
1411         else
1412                 CL_ParticleBox(effectnum, count, origin_from, origin_to, dir_from, dir_to, NULL, 0, true, true, tintmins, tintmaxs, fade);
1413 }
1414
1415 //#531 void(float pause) setpause
1416 static void VM_CL_setpause(prvm_prog_t *prog)
1417 {
1418         VM_SAFEPARMCOUNT(1, VM_CL_setpause);
1419         if ((int)PRVM_G_FLOAT(OFS_PARM0) != 0)
1420                 cl.csqc_paused = true;
1421         else
1422                 cl.csqc_paused = false;
1423 }
1424
1425 //#343 void(float usecursor) setcursormode (DP_CSQC)
1426 static void VM_CL_setcursormode (prvm_prog_t *prog)
1427 {
1428         VM_SAFEPARMCOUNT(1, VM_CL_setcursormode);
1429         cl.csqc_wantsmousemove = PRVM_G_FLOAT(OFS_PARM0) != 0;
1430         cl_ignoremousemoves = 2;
1431 }
1432
1433 //#344 vector() getmousepos (DP_CSQC)
1434 static void VM_CL_getmousepos(prvm_prog_t *prog)
1435 {
1436         VM_SAFEPARMCOUNT(0,VM_CL_getmousepos);
1437
1438         if (key_consoleactive || key_dest != key_game)
1439                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), 0, 0, 0);
1440         else if (cl.csqc_wantsmousemove)
1441                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_windowmouse_x * vid_conwidth.integer / vid.width, in_windowmouse_y * vid_conheight.integer / vid.height, 0);
1442         else
1443                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_mouse_x * vid_conwidth.integer / vid.width, in_mouse_y * vid_conheight.integer / vid.height, 0);
1444 }
1445
1446 //#345 float(float framenum) getinputstate (EXT_CSQC)
1447 static void VM_CL_getinputstate (prvm_prog_t *prog)
1448 {
1449         int i, frame;
1450         VM_SAFEPARMCOUNT(1, VM_CL_getinputstate);
1451         frame = (int)PRVM_G_FLOAT(OFS_PARM0);
1452         PRVM_G_FLOAT(OFS_RETURN) = false;
1453         for (i = 0;i < CL_MAX_USERCMDS;i++)
1454         {
1455                 if (cl.movecmd[i].sequence == frame)
1456                 {
1457                         VectorCopy(cl.movecmd[i].viewangles, PRVM_clientglobalvector(input_angles));
1458                         PRVM_clientglobalfloat(input_buttons) = cl.movecmd[i].buttons; // FIXME: this should not be directly exposed to csqc (translation layer needed?)
1459                         PRVM_clientglobalvector(input_movevalues)[0] = cl.movecmd[i].forwardmove;
1460                         PRVM_clientglobalvector(input_movevalues)[1] = cl.movecmd[i].sidemove;
1461                         PRVM_clientglobalvector(input_movevalues)[2] = cl.movecmd[i].upmove;
1462                         PRVM_clientglobalfloat(input_timelength) = cl.movecmd[i].frametime;
1463                         // this probably shouldn't be here
1464                         if(cl.movecmd[i].crouch)
1465                         {
1466                                 VectorCopy(cl.playercrouchmins, PRVM_clientglobalvector(pmove_mins));
1467                                 VectorCopy(cl.playercrouchmaxs, PRVM_clientglobalvector(pmove_maxs));
1468                         }
1469                         else
1470                         {
1471                                 VectorCopy(cl.playerstandmins, PRVM_clientglobalvector(pmove_mins));
1472                                 VectorCopy(cl.playerstandmaxs, PRVM_clientglobalvector(pmove_maxs));
1473                         }
1474                         PRVM_G_FLOAT(OFS_RETURN) = true;
1475                 }
1476         }
1477 }
1478
1479 //#346 void(float sens) setsensitivityscaler (EXT_CSQC)
1480 static void VM_CL_setsensitivityscale (prvm_prog_t *prog)
1481 {
1482         VM_SAFEPARMCOUNT(1, VM_CL_setsensitivityscale);
1483         cl.sensitivityscale = PRVM_G_FLOAT(OFS_PARM0);
1484 }
1485
1486 //#347 void() runstandardplayerphysics (EXT_CSQC)
1487 #define PMF_JUMP_HELD 1 // matches FTEQW
1488 #define PMF_LADDER 2 // not used by DP, FTEQW sets this in runplayerphysics but does not read it
1489 #define PMF_DUCKED 4 // FIXME FTEQW doesn't have this for Q1 like movement because Q1 cannot crouch
1490 #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
1491 static void VM_CL_runplayerphysics (prvm_prog_t *prog)
1492 {
1493         cl_clientmovement_state_t s;
1494         prvm_edict_t *ent;
1495
1496         memset(&s, 0, sizeof(s));
1497
1498         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_runplayerphysics);
1499
1500         ent = (prog->argc == 1 ? PRVM_G_EDICT(OFS_PARM0) : prog->edicts);
1501         if(ent == prog->edicts)
1502         {
1503                 // deprecated use
1504                 s.self = NULL;
1505                 VectorCopy(PRVM_clientglobalvector(pmove_org), s.origin);
1506                 VectorCopy(PRVM_clientglobalvector(pmove_vel), s.velocity);
1507                 VectorCopy(PRVM_clientglobalvector(pmove_mins), s.mins);
1508                 VectorCopy(PRVM_clientglobalvector(pmove_maxs), s.maxs);
1509                 s.crouched = 0;
1510                 s.waterjumptime = PRVM_clientglobalfloat(pmove_waterjumptime);
1511                 s.cmd.canjump = (int)PRVM_clientglobalfloat(pmove_jump_held) == 0;
1512         }
1513         else
1514         {
1515                 // new use
1516                 s.self = ent;
1517                 VectorCopy(PRVM_clientedictvector(ent, origin), s.origin);
1518                 VectorCopy(PRVM_clientedictvector(ent, velocity), s.velocity);
1519                 VectorCopy(PRVM_clientedictvector(ent, mins), s.mins);
1520                 VectorCopy(PRVM_clientedictvector(ent, maxs), s.maxs);
1521                 s.crouched = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_DUCKED) != 0;
1522                 s.waterjumptime = 0; // FIXME where do we get this from? FTEQW lacks support for this too
1523                 s.cmd.canjump = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_JUMP_HELD) == 0;
1524         }
1525
1526         VectorCopy(PRVM_clientglobalvector(input_angles), s.cmd.viewangles);
1527         s.cmd.forwardmove = PRVM_clientglobalvector(input_movevalues)[0];
1528         s.cmd.sidemove = PRVM_clientglobalvector(input_movevalues)[1];
1529         s.cmd.upmove = PRVM_clientglobalvector(input_movevalues)[2];
1530         s.cmd.buttons = PRVM_clientglobalfloat(input_buttons);
1531         s.cmd.frametime = PRVM_clientglobalfloat(input_timelength);
1532         s.cmd.jump = (s.cmd.buttons & 2) != 0;
1533         s.cmd.crouch = (s.cmd.buttons & 16) != 0;
1534
1535         CL_ClientMovement_PlayerMove_Frame(&s);
1536
1537         if(ent == prog->edicts)
1538         {
1539                 // deprecated use
1540                 VectorCopy(s.origin, PRVM_clientglobalvector(pmove_org));
1541                 VectorCopy(s.velocity, PRVM_clientglobalvector(pmove_vel));
1542                 PRVM_clientglobalfloat(pmove_jump_held) = !s.cmd.canjump;
1543                 PRVM_clientglobalfloat(pmove_waterjumptime) = s.waterjumptime;
1544         }
1545         else
1546         {
1547                 // new use
1548                 VectorCopy(s.origin, PRVM_clientedictvector(ent, origin));
1549                 VectorCopy(s.velocity, PRVM_clientedictvector(ent, velocity));
1550                 PRVM_clientedictfloat(ent, pmove_flags) =
1551                         (s.crouched ? PMF_DUCKED : 0) |
1552                         (s.cmd.canjump ? 0 : PMF_JUMP_HELD) |
1553                         (s.onground ? PMF_ONGROUND : 0);
1554         }
1555 }
1556
1557 //#348 string(float playernum, string keyname) getplayerkeyvalue (EXT_CSQC)
1558 static void VM_CL_getplayerkey (prvm_prog_t *prog)
1559 {
1560         int                     i;
1561         char            t[128];
1562         const char      *c;
1563
1564         VM_SAFEPARMCOUNT(2, VM_CL_getplayerkey);
1565
1566         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1567         c = PRVM_G_STRING(OFS_PARM1);
1568         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1569         Sbar_SortFrags();
1570
1571         if (i < 0)
1572                 i = Sbar_GetSortedPlayerIndex(-1-i);
1573         if(i < 0 || i >= cl.maxclients)
1574                 return;
1575
1576         t[0] = 0;
1577
1578         if(!strcasecmp(c, "name"))
1579                 strlcpy(t, cl.scores[i].name, sizeof(t));
1580         else
1581                 if(!strcasecmp(c, "frags"))
1582                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].frags);
1583         else
1584                 if(!strcasecmp(c, "ping"))
1585                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_ping);
1586         else
1587                 if(!strcasecmp(c, "pl"))
1588                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_packetloss);
1589         else
1590                 if(!strcasecmp(c, "movementloss"))
1591                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_movementloss);
1592         else
1593                 if(!strcasecmp(c, "entertime"))
1594                         dpsnprintf(t, sizeof(t), "%f", cl.scores[i].qw_entertime);
1595         else
1596                 if(!strcasecmp(c, "colors"))
1597                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors);
1598         else
1599                 if(!strcasecmp(c, "topcolor"))
1600                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors & 0xf0);
1601         else
1602                 if(!strcasecmp(c, "bottomcolor"))
1603                         dpsnprintf(t, sizeof(t), "%i", (cl.scores[i].colors &15)<<4);
1604         else
1605                 if(!strcasecmp(c, "viewentity"))
1606                         dpsnprintf(t, sizeof(t), "%i", i+1);
1607         if(!t[0])
1608                 return;
1609         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1610 }
1611
1612 //#351 void(vector origin, vector forward, vector right, vector up) SetListener (EXT_CSQC)
1613 static void VM_CL_setlistener (prvm_prog_t *prog)
1614 {
1615         vec3_t origin, forward, left, up;
1616         VM_SAFEPARMCOUNT(4, VM_CL_setlistener);
1617         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), origin);
1618         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), forward);
1619         VectorNegate(PRVM_G_VECTOR(OFS_PARM2), left);
1620         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), up);
1621         Matrix4x4_FromVectors(&cl.csqc_listenermatrix, forward, left, up, origin);
1622         cl.csqc_usecsqclistener = true; //use csqc listener at this frame
1623 }
1624
1625 //#352 void(string cmdname) registercommand (EXT_CSQC)
1626 static void VM_CL_registercmd (prvm_prog_t *prog)
1627 {
1628         char *t;
1629         VM_SAFEPARMCOUNT(1, VM_CL_registercmd);
1630         if(!Cmd_Exists(PRVM_G_STRING(OFS_PARM0)))
1631         {
1632                 size_t alloclen;
1633
1634                 alloclen = strlen(PRVM_G_STRING(OFS_PARM0)) + 1;
1635                 t = (char *)Z_Malloc(alloclen);
1636                 memcpy(t, PRVM_G_STRING(OFS_PARM0), alloclen);
1637                 Cmd_AddCommand(t, NULL, "console command created by QuakeC");
1638         }
1639         else
1640                 Cmd_AddCommand(PRVM_G_STRING(OFS_PARM0), NULL, "console command created by QuakeC");
1641
1642 }
1643
1644 //#360 float() readbyte (EXT_CSQC)
1645 static void VM_CL_ReadByte (prvm_prog_t *prog)
1646 {
1647         VM_SAFEPARMCOUNT(0, VM_CL_ReadByte);
1648         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadByte(&cl_message);
1649 }
1650
1651 //#361 float() readchar (EXT_CSQC)
1652 static void VM_CL_ReadChar (prvm_prog_t *prog)
1653 {
1654         VM_SAFEPARMCOUNT(0, VM_CL_ReadChar);
1655         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadChar(&cl_message);
1656 }
1657
1658 //#362 float() readshort (EXT_CSQC)
1659 static void VM_CL_ReadShort (prvm_prog_t *prog)
1660 {
1661         VM_SAFEPARMCOUNT(0, VM_CL_ReadShort);
1662         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadShort(&cl_message);
1663 }
1664
1665 //#363 float() readlong (EXT_CSQC)
1666 static void VM_CL_ReadLong (prvm_prog_t *prog)
1667 {
1668         VM_SAFEPARMCOUNT(0, VM_CL_ReadLong);
1669         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadLong(&cl_message);
1670 }
1671
1672 //#364 float() readcoord (EXT_CSQC)
1673 static void VM_CL_ReadCoord (prvm_prog_t *prog)
1674 {
1675         VM_SAFEPARMCOUNT(0, VM_CL_ReadCoord);
1676         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadCoord(&cl_message, cls.protocol);
1677 }
1678
1679 //#365 float() readangle (EXT_CSQC)
1680 static void VM_CL_ReadAngle (prvm_prog_t *prog)
1681 {
1682         VM_SAFEPARMCOUNT(0, VM_CL_ReadAngle);
1683         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadAngle(&cl_message, cls.protocol);
1684 }
1685
1686 //#366 string() readstring (EXT_CSQC)
1687 static void VM_CL_ReadString (prvm_prog_t *prog)
1688 {
1689         VM_SAFEPARMCOUNT(0, VM_CL_ReadString);
1690         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring)));
1691 }
1692
1693 //#367 float() readfloat (EXT_CSQC)
1694 static void VM_CL_ReadFloat (prvm_prog_t *prog)
1695 {
1696         VM_SAFEPARMCOUNT(0, VM_CL_ReadFloat);
1697         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadFloat(&cl_message);
1698 }
1699
1700 //#501 string() readpicture (DP_CSQC_READWRITEPICTURE)
1701 extern cvar_t cl_readpicture_force;
1702 static void VM_CL_ReadPicture (prvm_prog_t *prog)
1703 {
1704         const char *name;
1705         unsigned char *data;
1706         unsigned char *buf;
1707         unsigned short size;
1708         int i;
1709         cachepic_t *pic;
1710
1711         VM_SAFEPARMCOUNT(0, VM_CL_ReadPicture);
1712
1713         name = MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring));
1714         size = (unsigned short) MSG_ReadShort(&cl_message);
1715
1716         // check if a texture of that name exists
1717         // if yes, it is used and the data is discarded
1718         // if not, the (low quality) data is used to build a new texture, whose name will get returned
1719
1720         pic = Draw_CachePic_Flags (name, CACHEPICFLAG_NOTPERSISTENT);
1721
1722         if(size)
1723         {
1724                 if(pic->tex == r_texture_notexture)
1725                         pic->tex = NULL; // don't overwrite the notexture by Draw_NewPic
1726                 if(pic->tex && !cl_readpicture_force.integer)
1727                 {
1728                         // texture found and loaded
1729                         // skip over the jpeg as we don't need it
1730                         for(i = 0; i < size; ++i)
1731                                 (void) MSG_ReadByte(&cl_message);
1732                 }
1733                 else
1734                 {
1735                         // texture not found
1736                         // use the attached jpeg as texture
1737                         buf = (unsigned char *) Mem_Alloc(tempmempool, size);
1738                         MSG_ReadBytes(&cl_message, size, buf);
1739                         data = JPEG_LoadImage_BGRA(buf, size, NULL);
1740                         Mem_Free(buf);
1741                         Draw_NewPic(name, image_width, image_height, false, data);
1742                         Mem_Free(data);
1743                 }
1744         }
1745
1746         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, name);
1747 }
1748
1749 //////////////////////////////////////////////////////////
1750
1751 static void VM_CL_makestatic (prvm_prog_t *prog)
1752 {
1753         prvm_edict_t *ent;
1754
1755         VM_SAFEPARMCOUNT(1, VM_CL_makestatic);
1756
1757         ent = PRVM_G_EDICT(OFS_PARM0);
1758         if (ent == prog->edicts)
1759         {
1760                 VM_Warning(prog, "makestatic: can not modify world entity\n");
1761                 return;
1762         }
1763         if (ent->priv.server->free)
1764         {
1765                 VM_Warning(prog, "makestatic: can not modify free entity\n");
1766                 return;
1767         }
1768
1769         if (cl.num_static_entities < cl.max_static_entities)
1770         {
1771                 int renderflags;
1772                 entity_t *staticent = &cl.static_entities[cl.num_static_entities++];
1773
1774                 // copy it to the current state
1775                 memset(staticent, 0, sizeof(*staticent));
1776                 staticent->render.model = CL_GetModelByIndex((int)PRVM_clientedictfloat(ent, modelindex));
1777                 staticent->render.framegroupblend[0].frame = (int)PRVM_clientedictfloat(ent, frame);
1778                 staticent->render.framegroupblend[0].lerp = 1;
1779                 // make torchs play out of sync
1780                 staticent->render.framegroupblend[0].start = lhrandom(-10, -1);
1781                 staticent->render.skinnum = (int)PRVM_clientedictfloat(ent, skin);
1782                 staticent->render.effects = (int)PRVM_clientedictfloat(ent, effects);
1783                 staticent->render.alpha = PRVM_clientedictfloat(ent, alpha);
1784                 staticent->render.scale = PRVM_clientedictfloat(ent, scale);
1785                 VectorCopy(PRVM_clientedictvector(ent, colormod), staticent->render.colormod);
1786                 VectorCopy(PRVM_clientedictvector(ent, glowmod), staticent->render.glowmod);
1787
1788                 // sanitize values
1789                 if (!staticent->render.alpha)
1790                         staticent->render.alpha = 1.0f;
1791                 if (!staticent->render.scale)
1792                         staticent->render.scale = 1.0f;
1793                 if (!VectorLength2(staticent->render.colormod))
1794                         VectorSet(staticent->render.colormod, 1, 1, 1);
1795                 if (!VectorLength2(staticent->render.glowmod))
1796                         VectorSet(staticent->render.glowmod, 1, 1, 1);
1797
1798                 renderflags = (int)PRVM_clientedictfloat(ent, renderflags);
1799                 if (renderflags & RF_USEAXIS)
1800                 {
1801                         vec3_t forward, left, up, origin;
1802                         VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1803                         VectorNegate(PRVM_clientglobalvector(v_right), left);
1804                         VectorCopy(PRVM_clientglobalvector(v_up), up);
1805                         VectorCopy(PRVM_clientedictvector(ent, origin), origin);
1806                         Matrix4x4_FromVectors(&staticent->render.matrix, forward, left, up, origin);
1807                         Matrix4x4_Scale(&staticent->render.matrix, staticent->render.scale, 1);
1808                 }
1809                 else
1810                         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);
1811
1812                 // either fullbright or lit
1813                 if(!r_fullbright.integer)
1814                 {
1815                         if (!(staticent->render.effects & EF_FULLBRIGHT))
1816                                 staticent->render.flags |= RENDER_LIGHT;
1817                         else if(r_equalize_entities_fullbright.integer)
1818                                 staticent->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1819                 }
1820                 // turn off shadows from transparent objects
1821                 if (!(staticent->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (staticent->render.alpha >= 1))
1822                         staticent->render.flags |= RENDER_SHADOW;
1823                 if (staticent->render.effects & EF_NODEPTHTEST)
1824                         staticent->render.flags |= RENDER_NODEPTHTEST;
1825                 if (staticent->render.effects & EF_ADDITIVE)
1826                         staticent->render.flags |= RENDER_ADDITIVE;
1827                 if (staticent->render.effects & EF_DOUBLESIDED)
1828                         staticent->render.flags |= RENDER_DOUBLESIDED;
1829
1830                 staticent->render.allowdecals = true;
1831                 CL_UpdateRenderEntity(&staticent->render);
1832         }
1833         else
1834                 Con_Printf("Too many static entities");
1835
1836 // throw the entity away now
1837         PRVM_ED_Free(prog, ent);
1838 }
1839
1840 //=================================================================//
1841
1842 /*
1843 =================
1844 VM_CL_copyentity
1845
1846 copies data from one entity to another
1847
1848 copyentity(src, dst)
1849 =================
1850 */
1851 static void VM_CL_copyentity (prvm_prog_t *prog)
1852 {
1853         prvm_edict_t *in, *out;
1854         VM_SAFEPARMCOUNT(2, VM_CL_copyentity);
1855         in = PRVM_G_EDICT(OFS_PARM0);
1856         if (in == prog->edicts)
1857         {
1858                 VM_Warning(prog, "copyentity: can not read world entity\n");
1859                 return;
1860         }
1861         if (in->priv.server->free)
1862         {
1863                 VM_Warning(prog, "copyentity: can not read free entity\n");
1864                 return;
1865         }
1866         out = PRVM_G_EDICT(OFS_PARM1);
1867         if (out == prog->edicts)
1868         {
1869                 VM_Warning(prog, "copyentity: can not modify world entity\n");
1870                 return;
1871         }
1872         if (out->priv.server->free)
1873         {
1874                 VM_Warning(prog, "copyentity: can not modify free entity\n");
1875                 return;
1876         }
1877         memcpy(out->fields.fp, in->fields.fp, prog->entityfields * sizeof(prvm_vec_t));
1878         CL_LinkEdict(out);
1879 }
1880
1881 //=================================================================//
1882
1883 // #404 void(vector org, string modelname, float startframe, float endframe, float framerate) effect (DP_SV_EFFECT)
1884 static void VM_CL_effect (prvm_prog_t *prog)
1885 {
1886 #if 1
1887         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
1888 #else
1889         vec3_t org;
1890         VM_SAFEPARMCOUNT(5, VM_CL_effect);
1891         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
1892         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));
1893 #endif
1894 }
1895
1896 // #405 void(vector org, vector velocity, float howmany) te_blood (DP_TE_BLOOD)
1897 static void VM_CL_te_blood (prvm_prog_t *prog)
1898 {
1899         vec3_t pos, vel, pos2;
1900         VM_SAFEPARMCOUNT(3, VM_CL_te_blood);
1901         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1902                 return;
1903         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1904         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
1905         CL_FindNonSolidLocation(pos, pos2, 4);
1906         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
1907 }
1908
1909 // #406 void(vector mincorner, vector maxcorner, float explosionspeed, float howmany) te_bloodshower (DP_TE_BLOODSHOWER)
1910 static void VM_CL_te_bloodshower (prvm_prog_t *prog)
1911 {
1912         vec_t speed;
1913         vec3_t mincorner, maxcorner, vel1, vel2;
1914         VM_SAFEPARMCOUNT(4, VM_CL_te_bloodshower);
1915         if (PRVM_G_FLOAT(OFS_PARM3) < 1)
1916                 return;
1917         speed = PRVM_G_FLOAT(OFS_PARM2);
1918         vel1[0] = -speed;
1919         vel1[1] = -speed;
1920         vel1[2] = -speed;
1921         vel2[0] = speed;
1922         vel2[1] = speed;
1923         vel2[2] = speed;
1924         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1925         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1926         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM3), mincorner, maxcorner, vel1, vel2, NULL, 0);
1927 }
1928
1929 // #407 void(vector org, vector color) te_explosionrgb (DP_TE_EXPLOSIONRGB)
1930 static void VM_CL_te_explosionrgb (prvm_prog_t *prog)
1931 {
1932         vec3_t          pos;
1933         vec3_t          pos2;
1934         matrix4x4_t     tempmatrix;
1935         VM_SAFEPARMCOUNT(2, VM_CL_te_explosionrgb);
1936         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1937         CL_FindNonSolidLocation(pos, pos2, 10);
1938         CL_ParticleExplosion(pos2);
1939         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1940         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);
1941 }
1942
1943 // #408 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color, float gravityflag, float randomveljitter) te_particlecube (DP_TE_PARTICLECUBE)
1944 static void VM_CL_te_particlecube (prvm_prog_t *prog)
1945 {
1946         vec3_t mincorner, maxcorner, vel;
1947         VM_SAFEPARMCOUNT(7, VM_CL_te_particlecube);
1948         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1949         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1950         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1951         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));
1952 }
1953
1954 // #409 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlerain (DP_TE_PARTICLERAIN)
1955 static void VM_CL_te_particlerain (prvm_prog_t *prog)
1956 {
1957         vec3_t mincorner, maxcorner, vel;
1958         VM_SAFEPARMCOUNT(5, VM_CL_te_particlerain);
1959         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1960         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1961         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1962         CL_ParticleRain(mincorner, maxcorner, vel, (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 0);
1963 }
1964
1965 // #410 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlesnow (DP_TE_PARTICLESNOW)
1966 static void VM_CL_te_particlesnow (prvm_prog_t *prog)
1967 {
1968         vec3_t mincorner, maxcorner, vel;
1969         VM_SAFEPARMCOUNT(5, VM_CL_te_particlesnow);
1970         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1971         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1972         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1973         CL_ParticleRain(mincorner, maxcorner, vel, (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 1);
1974 }
1975
1976 // #411 void(vector org, vector vel, float howmany) te_spark
1977 static void VM_CL_te_spark (prvm_prog_t *prog)
1978 {
1979         vec3_t pos, pos2, vel;
1980         VM_SAFEPARMCOUNT(3, VM_CL_te_spark);
1981
1982         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1983         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
1984         CL_FindNonSolidLocation(pos, pos2, 4);
1985         CL_ParticleEffect(EFFECT_TE_SPARK, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
1986 }
1987
1988 extern cvar_t cl_sound_ric_gunshot;
1989 // #412 void(vector org) te_gunshotquad (DP_QUADEFFECTS1)
1990 static void VM_CL_te_gunshotquad (prvm_prog_t *prog)
1991 {
1992         vec3_t          pos, pos2;
1993         int                     rnd;
1994         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshotquad);
1995
1996         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1997         CL_FindNonSolidLocation(pos, pos2, 4);
1998         CL_ParticleEffect(EFFECT_TE_GUNSHOTQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1999         if(cl_sound_ric_gunshot.integer >= 2)
2000         {
2001                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2002                 else
2003                 {
2004                         rnd = rand() & 3;
2005                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2006                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2007                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2008                 }
2009         }
2010 }
2011
2012 // #413 void(vector org) te_spikequad (DP_QUADEFFECTS1)
2013 static void VM_CL_te_spikequad (prvm_prog_t *prog)
2014 {
2015         vec3_t          pos, pos2;
2016         int                     rnd;
2017         VM_SAFEPARMCOUNT(1, VM_CL_te_spikequad);
2018
2019         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2020         CL_FindNonSolidLocation(pos, pos2, 4);
2021         CL_ParticleEffect(EFFECT_TE_SPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2022         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2023         else
2024         {
2025                 rnd = rand() & 3;
2026                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2027                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2028                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2029         }
2030 }
2031
2032 // #414 void(vector org) te_superspikequad (DP_QUADEFFECTS1)
2033 static void VM_CL_te_superspikequad (prvm_prog_t *prog)
2034 {
2035         vec3_t          pos, pos2;
2036         int                     rnd;
2037         VM_SAFEPARMCOUNT(1, VM_CL_te_superspikequad);
2038
2039         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2040         CL_FindNonSolidLocation(pos, pos2, 4);
2041         CL_ParticleEffect(EFFECT_TE_SUPERSPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2042         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos, 1, 1);
2043         else
2044         {
2045                 rnd = rand() & 3;
2046                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2047                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2048                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2049         }
2050 }
2051
2052 // #415 void(vector org) te_explosionquad (DP_QUADEFFECTS1)
2053 static void VM_CL_te_explosionquad (prvm_prog_t *prog)
2054 {
2055         vec3_t          pos, pos2;
2056         VM_SAFEPARMCOUNT(1, VM_CL_te_explosionquad);
2057
2058         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2059         CL_FindNonSolidLocation(pos, pos2, 10);
2060         CL_ParticleEffect(EFFECT_TE_EXPLOSIONQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2061         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2062 }
2063
2064 // #416 void(vector org) te_smallflash (DP_TE_SMALLFLASH)
2065 static void VM_CL_te_smallflash (prvm_prog_t *prog)
2066 {
2067         vec3_t          pos, pos2;
2068         VM_SAFEPARMCOUNT(1, VM_CL_te_smallflash);
2069
2070         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2071         CL_FindNonSolidLocation(pos, pos2, 10);
2072         CL_ParticleEffect(EFFECT_TE_SMALLFLASH, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2073 }
2074
2075 // #417 void(vector org, float radius, float lifetime, vector color) te_customflash (DP_TE_CUSTOMFLASH)
2076 static void VM_CL_te_customflash (prvm_prog_t *prog)
2077 {
2078         vec3_t          pos, pos2;
2079         matrix4x4_t     tempmatrix;
2080         VM_SAFEPARMCOUNT(4, VM_CL_te_customflash);
2081
2082         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2083         CL_FindNonSolidLocation(pos, pos2, 4);
2084         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2085         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);
2086 }
2087
2088 // #418 void(vector org) te_gunshot (DP_TE_STANDARDEFFECTBUILTINS)
2089 static void VM_CL_te_gunshot (prvm_prog_t *prog)
2090 {
2091         vec3_t          pos, pos2;
2092         int                     rnd;
2093         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshot);
2094
2095         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2096         CL_FindNonSolidLocation(pos, pos2, 4);
2097         CL_ParticleEffect(EFFECT_TE_GUNSHOT, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2098         if(cl_sound_ric_gunshot.integer == 1 || cl_sound_ric_gunshot.integer == 3)
2099         {
2100                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2101                 else
2102                 {
2103                         rnd = rand() & 3;
2104                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2105                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2106                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2107                 }
2108         }
2109 }
2110
2111 // #419 void(vector org) te_spike (DP_TE_STANDARDEFFECTBUILTINS)
2112 static void VM_CL_te_spike (prvm_prog_t *prog)
2113 {
2114         vec3_t          pos, pos2;
2115         int                     rnd;
2116         VM_SAFEPARMCOUNT(1, VM_CL_te_spike);
2117
2118         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2119         CL_FindNonSolidLocation(pos, pos2, 4);
2120         CL_ParticleEffect(EFFECT_TE_SPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2121         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2122         else
2123         {
2124                 rnd = rand() & 3;
2125                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2126                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2127                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2128         }
2129 }
2130
2131 // #420 void(vector org) te_superspike (DP_TE_STANDARDEFFECTBUILTINS)
2132 static void VM_CL_te_superspike (prvm_prog_t *prog)
2133 {
2134         vec3_t          pos, pos2;
2135         int                     rnd;
2136         VM_SAFEPARMCOUNT(1, VM_CL_te_superspike);
2137
2138         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2139         CL_FindNonSolidLocation(pos, pos2, 4);
2140         CL_ParticleEffect(EFFECT_TE_SUPERSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2141         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2142         else
2143         {
2144                 rnd = rand() & 3;
2145                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2146                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2147                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2148         }
2149 }
2150
2151 // #421 void(vector org) te_explosion (DP_TE_STANDARDEFFECTBUILTINS)
2152 static void VM_CL_te_explosion (prvm_prog_t *prog)
2153 {
2154         vec3_t          pos, pos2;
2155         VM_SAFEPARMCOUNT(1, VM_CL_te_explosion);
2156
2157         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2158         CL_FindNonSolidLocation(pos, pos2, 10);
2159         CL_ParticleEffect(EFFECT_TE_EXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2160         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2161 }
2162
2163 // #422 void(vector org) te_tarexplosion (DP_TE_STANDARDEFFECTBUILTINS)
2164 static void VM_CL_te_tarexplosion (prvm_prog_t *prog)
2165 {
2166         vec3_t          pos, pos2;
2167         VM_SAFEPARMCOUNT(1, VM_CL_te_tarexplosion);
2168
2169         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2170         CL_FindNonSolidLocation(pos, pos2, 10);
2171         CL_ParticleEffect(EFFECT_TE_TAREXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2172         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2173 }
2174
2175 // #423 void(vector org) te_wizspike (DP_TE_STANDARDEFFECTBUILTINS)
2176 static void VM_CL_te_wizspike (prvm_prog_t *prog)
2177 {
2178         vec3_t          pos, pos2;
2179         VM_SAFEPARMCOUNT(1, VM_CL_te_wizspike);
2180
2181         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2182         CL_FindNonSolidLocation(pos, pos2, 4);
2183         CL_ParticleEffect(EFFECT_TE_WIZSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2184         S_StartSound(-1, 0, cl.sfx_wizhit, pos2, 1, 1);
2185 }
2186
2187 // #424 void(vector org) te_knightspike (DP_TE_STANDARDEFFECTBUILTINS)
2188 static void VM_CL_te_knightspike (prvm_prog_t *prog)
2189 {
2190         vec3_t          pos, pos2;
2191         VM_SAFEPARMCOUNT(1, VM_CL_te_knightspike);
2192
2193         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2194         CL_FindNonSolidLocation(pos, pos2, 4);
2195         CL_ParticleEffect(EFFECT_TE_KNIGHTSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2196         S_StartSound(-1, 0, cl.sfx_knighthit, pos2, 1, 1);
2197 }
2198
2199 // #425 void(vector org) te_lavasplash (DP_TE_STANDARDEFFECTBUILTINS)
2200 static void VM_CL_te_lavasplash (prvm_prog_t *prog)
2201 {
2202         vec3_t          pos;
2203         VM_SAFEPARMCOUNT(1, VM_CL_te_lavasplash);
2204         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2205         CL_ParticleEffect(EFFECT_TE_LAVASPLASH, 1, pos, pos, vec3_origin, vec3_origin, NULL, 0);
2206 }
2207
2208 // #426 void(vector org) te_teleport (DP_TE_STANDARDEFFECTBUILTINS)
2209 static void VM_CL_te_teleport (prvm_prog_t *prog)
2210 {
2211         vec3_t          pos;
2212         VM_SAFEPARMCOUNT(1, VM_CL_te_teleport);
2213         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2214         CL_ParticleEffect(EFFECT_TE_TELEPORT, 1, pos, pos, vec3_origin, vec3_origin, NULL, 0);
2215 }
2216
2217 // #427 void(vector org, float colorstart, float colorlength) te_explosion2 (DP_TE_STANDARDEFFECTBUILTINS)
2218 static void VM_CL_te_explosion2 (prvm_prog_t *prog)
2219 {
2220         vec3_t          pos, pos2, color;
2221         matrix4x4_t     tempmatrix;
2222         int                     colorStart, colorLength;
2223         unsigned char           *tempcolor;
2224         VM_SAFEPARMCOUNT(3, VM_CL_te_explosion2);
2225
2226         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2227         colorStart = (int)PRVM_G_FLOAT(OFS_PARM1);
2228         colorLength = (int)PRVM_G_FLOAT(OFS_PARM2);
2229         CL_FindNonSolidLocation(pos, pos2, 10);
2230         CL_ParticleExplosion2(pos2, colorStart, colorLength);
2231         tempcolor = palette_rgb[(rand()%colorLength) + colorStart];
2232         color[0] = tempcolor[0] * (2.0f / 255.0f);
2233         color[1] = tempcolor[1] * (2.0f / 255.0f);
2234         color[2] = tempcolor[2] * (2.0f / 255.0f);
2235         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2236         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);
2237         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2238 }
2239
2240
2241 // #428 void(entity own, vector start, vector end) te_lightning1 (DP_TE_STANDARDEFFECTBUILTINS)
2242 static void VM_CL_te_lightning1 (prvm_prog_t *prog)
2243 {
2244         vec3_t          start, end;
2245         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning1);
2246         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2247         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2248         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt, true);
2249 }
2250
2251 // #429 void(entity own, vector start, vector end) te_lightning2 (DP_TE_STANDARDEFFECTBUILTINS)
2252 static void VM_CL_te_lightning2 (prvm_prog_t *prog)
2253 {
2254         vec3_t          start, end;
2255         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning2);
2256         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2257         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2258         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt2, true);
2259 }
2260
2261 // #430 void(entity own, vector start, vector end) te_lightning3 (DP_TE_STANDARDEFFECTBUILTINS)
2262 static void VM_CL_te_lightning3 (prvm_prog_t *prog)
2263 {
2264         vec3_t          start, end;
2265         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning3);
2266         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2267         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2268         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt3, false);
2269 }
2270
2271 // #431 void(entity own, vector start, vector end) te_beam (DP_TE_STANDARDEFFECTBUILTINS)
2272 static void VM_CL_te_beam (prvm_prog_t *prog)
2273 {
2274         vec3_t          start, end;
2275         VM_SAFEPARMCOUNT(3, VM_CL_te_beam);
2276         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2277         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2278         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_beam, false);
2279 }
2280
2281 // #433 void(vector org) te_plasmaburn (DP_TE_PLASMABURN)
2282 static void VM_CL_te_plasmaburn (prvm_prog_t *prog)
2283 {
2284         vec3_t          pos, pos2;
2285         VM_SAFEPARMCOUNT(1, VM_CL_te_plasmaburn);
2286
2287         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2288         CL_FindNonSolidLocation(pos, pos2, 4);
2289         CL_ParticleEffect(EFFECT_TE_PLASMABURN, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2290 }
2291
2292 // #457 void(vector org, vector velocity, float howmany) te_flamejet (DP_TE_FLAMEJET)
2293 static void VM_CL_te_flamejet (prvm_prog_t *prog)
2294 {
2295         vec3_t          pos, pos2, vel;
2296         VM_SAFEPARMCOUNT(3, VM_CL_te_flamejet);
2297         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
2298                 return;
2299         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2300         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
2301         CL_FindNonSolidLocation(pos, pos2, 4);
2302         CL_ParticleEffect(EFFECT_TE_FLAMEJET, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
2303 }
2304
2305
2306 // #443 void(entity e, entity tagentity, string tagname) setattachment
2307 static void VM_CL_setattachment (prvm_prog_t *prog)
2308 {
2309         prvm_edict_t *e;
2310         prvm_edict_t *tagentity;
2311         const char *tagname;
2312         int modelindex;
2313         int tagindex;
2314         dp_model_t *model;
2315         VM_SAFEPARMCOUNT(3, VM_CL_setattachment);
2316
2317         e = PRVM_G_EDICT(OFS_PARM0);
2318         tagentity = PRVM_G_EDICT(OFS_PARM1);
2319         tagname = PRVM_G_STRING(OFS_PARM2);
2320
2321         if (e == prog->edicts)
2322         {
2323                 VM_Warning(prog, "setattachment: can not modify world entity\n");
2324                 return;
2325         }
2326         if (e->priv.server->free)
2327         {
2328                 VM_Warning(prog, "setattachment: can not modify free entity\n");
2329                 return;
2330         }
2331
2332         if (tagentity == NULL)
2333                 tagentity = prog->edicts;
2334
2335         tagindex = 0;
2336         if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
2337         {
2338                 modelindex = (int)PRVM_clientedictfloat(tagentity, modelindex);
2339                 model = CL_GetModelByIndex(modelindex);
2340                 if (model)
2341                 {
2342                         tagindex = Mod_Alias_GetTagIndexForName(model, (int)PRVM_clientedictfloat(tagentity, skin), tagname);
2343                         if (tagindex == 0)
2344                                 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);
2345                 }
2346                 else
2347                         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));
2348         }
2349
2350         PRVM_clientedictedict(e, tag_entity) = PRVM_EDICT_TO_PROG(tagentity);
2351         PRVM_clientedictfloat(e, tag_index) = tagindex;
2352 }
2353
2354 /////////////////////////////////////////
2355 // DP_MD3_TAGINFO extension coded by VorteX
2356
2357 static int CL_GetTagIndex (prvm_prog_t *prog, prvm_edict_t *e, const char *tagname)
2358 {
2359         dp_model_t *model = CL_GetModelFromEdict(e);
2360         if (model)
2361                 return Mod_Alias_GetTagIndexForName(model, (int)PRVM_clientedictfloat(e, skin), tagname);
2362         else
2363                 return -1;
2364 }
2365
2366 static int CL_GetExtendedTagInfo (prvm_prog_t *prog, prvm_edict_t *e, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix)
2367 {
2368         int r;
2369         dp_model_t *model;
2370
2371         *tagname = NULL;
2372         *parentindex = 0;
2373         Matrix4x4_CreateIdentity(tag_localmatrix);
2374
2375         if (tagindex >= 0
2376          && (model = CL_GetModelFromEdict(e))
2377          && model->animscenes)
2378         {
2379                 r = Mod_Alias_GetExtendedTagInfoForIndex(model, (int)PRVM_clientedictfloat(e, skin), e->priv.server->frameblend, &e->priv.server->skeleton, tagindex - 1, parentindex, tagname, tag_localmatrix);
2380
2381                 if(!r) // success?
2382                         *parentindex += 1;
2383
2384                 return r;
2385         }
2386
2387         return 1;
2388 }
2389
2390 int CL_GetPitchSign(prvm_prog_t *prog, prvm_edict_t *ent)
2391 {
2392         dp_model_t *model;
2393         if ((model = CL_GetModelFromEdict(ent)) && model->type == mod_alias)
2394                 return -1;
2395         return 1;
2396 }
2397
2398 void CL_GetEntityMatrix (prvm_prog_t *prog, prvm_edict_t *ent, matrix4x4_t *out, qboolean viewmatrix)
2399 {
2400         float scale;
2401         float pitchsign = 1;
2402
2403         scale = PRVM_clientedictfloat(ent, scale);
2404         if (!scale)
2405                 scale = 1.0f;
2406
2407         if(viewmatrix)
2408                 *out = r_refdef.view.matrix;
2409         else if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_USEAXIS)
2410         {
2411                 vec3_t forward;
2412                 vec3_t left;
2413                 vec3_t up;
2414                 vec3_t origin;
2415                 VectorScale(PRVM_clientglobalvector(v_forward), scale, forward);
2416                 VectorScale(PRVM_clientglobalvector(v_right), -scale, left);
2417                 VectorScale(PRVM_clientglobalvector(v_up), scale, up);
2418                 VectorCopy(PRVM_clientedictvector(ent, origin), origin);
2419                 Matrix4x4_FromVectors(out, forward, left, up, origin);
2420         }
2421         else
2422         {
2423                 pitchsign = CL_GetPitchSign(prog, ent);
2424                 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);
2425         }
2426 }
2427
2428 static int CL_GetEntityLocalTagMatrix(prvm_prog_t *prog, prvm_edict_t *ent, int tagindex, matrix4x4_t *out)
2429 {
2430         dp_model_t *model;
2431         if (tagindex >= 0
2432          && (model = CL_GetModelFromEdict(ent))
2433          && model->animscenes)
2434         {
2435                 VM_GenerateFrameGroupBlend(prog, ent->priv.server->framegroupblend, ent);
2436                 VM_FrameBlendFromFrameGroupBlend(ent->priv.server->frameblend, ent->priv.server->framegroupblend, model, cl.time);
2437                 VM_UpdateEdictSkeleton(prog, ent, model, ent->priv.server->frameblend);
2438                 return Mod_Alias_GetTagMatrix(model, ent->priv.server->frameblend, &ent->priv.server->skeleton, tagindex, out);
2439         }
2440         *out = identitymatrix;
2441         return 0;
2442 }
2443
2444 // Warnings/errors code:
2445 // 0 - normal (everything all-right)
2446 // 1 - world entity
2447 // 2 - free entity
2448 // 3 - null or non-precached model
2449 // 4 - no tags with requested index
2450 // 5 - runaway loop at attachment chain
2451 extern cvar_t cl_bob;
2452 extern cvar_t cl_bobcycle;
2453 extern cvar_t cl_bobup;
2454 int CL_GetTagMatrix (prvm_prog_t *prog, matrix4x4_t *out, prvm_edict_t *ent, int tagindex)
2455 {
2456         int ret;
2457         int attachloop;
2458         matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
2459         dp_model_t *model;
2460
2461         *out = identitymatrix; // warnings and errors return identical matrix
2462
2463         if (ent == prog->edicts)
2464                 return 1;
2465         if (ent->priv.server->free)
2466                 return 2;
2467
2468         model = CL_GetModelFromEdict(ent);
2469         if(!model)
2470                 return 3;
2471
2472         tagmatrix = identitymatrix;
2473         attachloop = 0;
2474         for(;;)
2475         {
2476                 if(attachloop >= 256)
2477                         return 5;
2478                 // apply transformation by child's tagindex on parent entity and then
2479                 // by parent entity itself
2480                 ret = CL_GetEntityLocalTagMatrix(prog, ent, tagindex - 1, &attachmatrix);
2481                 if(ret && attachloop == 0)
2482                         return ret;
2483                 CL_GetEntityMatrix(prog, ent, &entitymatrix, false);
2484                 Matrix4x4_Concat(&tagmatrix, &attachmatrix, out);
2485                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2486                 // next iteration we process the parent entity
2487                 if (PRVM_clientedictedict(ent, tag_entity))
2488                 {
2489                         tagindex = (int)PRVM_clientedictfloat(ent, tag_index);
2490                         ent = PRVM_EDICT_NUM(PRVM_clientedictedict(ent, tag_entity));
2491                 }
2492                 else
2493                         break;
2494                 attachloop++;
2495         }
2496
2497         // RENDER_VIEWMODEL magic
2498         if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_VIEWMODEL)
2499         {
2500                 Matrix4x4_Copy(&tagmatrix, out);
2501
2502                 CL_GetEntityMatrix(prog, prog->edicts, &entitymatrix, true);
2503                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2504
2505                 /*
2506                 // Cl_bob, ported from rendering code
2507                 if (PRVM_clientedictfloat(ent, health) > 0 && cl_bob.value && cl_bobcycle.value)
2508                 {
2509                         double bob, cycle;
2510                         // LordHavoc: this code is *weird*, but not replacable (I think it
2511                         // should be done in QC on the server, but oh well, quake is quake)
2512                         // LordHavoc: figured out bobup: the time at which the sin is at 180
2513                         // degrees (which allows lengthening or squishing the peak or valley)
2514                         cycle = cl.time/cl_bobcycle.value;
2515                         cycle -= (int)cycle;
2516                         if (cycle < cl_bobup.value)
2517                                 cycle = sin(M_PI * cycle / cl_bobup.value);
2518                         else
2519                                 cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
2520                         // bob is proportional to velocity in the xy plane
2521                         // (don't count Z, or jumping messes it up)
2522                         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;
2523                         bob = bob*0.3 + bob*0.7*cycle;
2524                         Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
2525                 }
2526                 */
2527         }
2528         return 0;
2529 }
2530
2531 // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
2532 static void VM_CL_gettagindex (prvm_prog_t *prog)
2533 {
2534         prvm_edict_t *ent;
2535         const char *tag_name;
2536         int tag_index;
2537
2538         VM_SAFEPARMCOUNT(2, VM_CL_gettagindex);
2539
2540         ent = PRVM_G_EDICT(OFS_PARM0);
2541         tag_name = PRVM_G_STRING(OFS_PARM1);
2542         if (ent == prog->edicts)
2543         {
2544                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect world entity\n", PRVM_NUM_FOR_EDICT(ent));
2545                 return;
2546         }
2547         if (ent->priv.server->free)
2548         {
2549                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect free entity\n", PRVM_NUM_FOR_EDICT(ent));
2550                 return;
2551         }
2552
2553         tag_index = 0;
2554         if (!CL_GetModelFromEdict(ent))
2555                 Con_DPrintf("VM_CL_gettagindex(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(ent));
2556         else
2557         {
2558                 tag_index = CL_GetTagIndex(prog, ent, tag_name);
2559                 if (tag_index == 0)
2560                         if(developer_extra.integer)
2561                                 Con_DPrintf("VM_CL_gettagindex(entity #%i): tag \"%s\" not found\n", PRVM_NUM_FOR_EDICT(ent), tag_name);
2562         }
2563         PRVM_G_FLOAT(OFS_RETURN) = tag_index;
2564 }
2565
2566 // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
2567 static void VM_CL_gettaginfo (prvm_prog_t *prog)
2568 {
2569         prvm_edict_t *e;
2570         int tagindex;
2571         matrix4x4_t tag_matrix;
2572         matrix4x4_t tag_localmatrix;
2573         int parentindex;
2574         const char *tagname;
2575         int returncode;
2576         vec3_t forward, left, up, origin;
2577         const dp_model_t *model;
2578
2579         VM_SAFEPARMCOUNT(2, VM_CL_gettaginfo);
2580
2581         e = PRVM_G_EDICT(OFS_PARM0);
2582         tagindex = (int)PRVM_G_FLOAT(OFS_PARM1);
2583         returncode = CL_GetTagMatrix(prog, &tag_matrix, e, tagindex);
2584         Matrix4x4_ToVectors(&tag_matrix, forward, left, up, origin);
2585         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
2586         VectorScale(left, -1, PRVM_clientglobalvector(v_right));
2587         VectorCopy(up, PRVM_clientglobalvector(v_up));
2588         VectorCopy(origin, PRVM_G_VECTOR(OFS_RETURN));
2589         model = CL_GetModelFromEdict(e);
2590         VM_GenerateFrameGroupBlend(prog, e->priv.server->framegroupblend, e);
2591         VM_FrameBlendFromFrameGroupBlend(e->priv.server->frameblend, e->priv.server->framegroupblend, model, cl.time);
2592         VM_UpdateEdictSkeleton(prog, e, model, e->priv.server->frameblend);
2593         CL_GetExtendedTagInfo(prog, e, tagindex, &parentindex, &tagname, &tag_localmatrix);
2594         Matrix4x4_ToVectors(&tag_localmatrix, forward, left, up, origin);
2595
2596         PRVM_clientglobalfloat(gettaginfo_parent) = parentindex;
2597         PRVM_clientglobalstring(gettaginfo_name) = tagname ? PRVM_SetTempString(prog, tagname) : 0;
2598         VectorCopy(forward, PRVM_clientglobalvector(gettaginfo_forward));
2599         VectorScale(left, -1, PRVM_clientglobalvector(gettaginfo_right));
2600         VectorCopy(up, PRVM_clientglobalvector(gettaginfo_up));
2601         VectorCopy(origin, PRVM_clientglobalvector(gettaginfo_offset));
2602
2603         switch(returncode)
2604         {
2605                 case 1:
2606                         VM_Warning(prog, "gettagindex: can't affect world entity\n");
2607                         break;
2608                 case 2:
2609                         VM_Warning(prog, "gettagindex: can't affect free entity\n");
2610                         break;
2611                 case 3:
2612                         Con_DPrintf("CL_GetTagMatrix(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(e));
2613                         break;
2614                 case 4:
2615                         Con_DPrintf("CL_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", PRVM_NUM_FOR_EDICT(e), tagindex);
2616                         break;
2617                 case 5:
2618                         Con_DPrintf("CL_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", PRVM_NUM_FOR_EDICT(e));
2619                         break;
2620         }
2621 }
2622
2623 //============================================================================
2624
2625 //====================
2626 // DP_CSQC_SPAWNPARTICLE
2627 // a QC hook to engine's CL_NewParticle
2628 //====================
2629
2630 // particle theme struct
2631 typedef struct vmparticletheme_s
2632 {
2633         unsigned short typeindex;
2634         qboolean initialized;
2635         pblend_t blendmode;
2636         porientation_t orientation;
2637         int color1;
2638         int color2;
2639         int tex;
2640         float size;
2641         float sizeincrease;
2642         float alpha;
2643         float alphafade;
2644         float gravity;
2645         float bounce;
2646         float airfriction;
2647         float liquidfriction;
2648         float originjitter;
2649         float velocityjitter;
2650         qboolean qualityreduction;
2651         float lifetime;
2652         float stretch;
2653         int staincolor1;
2654         int staincolor2;
2655         int staintex;
2656         float stainalpha;
2657         float stainsize;
2658         float delayspawn;
2659         float delaycollision;
2660         float angle;
2661         float spin;
2662 }vmparticletheme_t;
2663
2664 // particle spawner
2665 typedef struct vmparticlespawner_s
2666 {
2667         mempool_t                       *pool;
2668         qboolean                        initialized;
2669         qboolean                        verified;
2670         vmparticletheme_t       *themes;
2671         int                                     max_themes;
2672 }vmparticlespawner_t;
2673
2674 vmparticlespawner_t vmpartspawner;
2675
2676 // TODO: automatic max_themes grow
2677 static void VM_InitParticleSpawner (prvm_prog_t *prog, int maxthemes)
2678 {
2679         // bound max themes to not be an insane value
2680         if (maxthemes < 4)
2681                 maxthemes = 4;
2682         if (maxthemes > 2048)
2683                 maxthemes = 2048;
2684         // allocate and set up structure
2685         if (vmpartspawner.initialized) // reallocate
2686         {
2687                 Mem_FreePool(&vmpartspawner.pool);
2688                 memset(&vmpartspawner, 0, sizeof(vmparticlespawner_t));
2689         }
2690         vmpartspawner.pool = Mem_AllocPool("VMPARTICLESPAWNER", 0, NULL);
2691         vmpartspawner.themes = (vmparticletheme_t *)Mem_Alloc(vmpartspawner.pool, sizeof(vmparticletheme_t)*maxthemes);
2692         vmpartspawner.max_themes = maxthemes;
2693         vmpartspawner.initialized = true;
2694         vmpartspawner.verified = true;
2695 }
2696
2697 // reset particle theme to default values
2698 static void VM_ResetParticleTheme (vmparticletheme_t *theme)
2699 {
2700         theme->initialized = true;
2701         theme->typeindex = pt_static;
2702         theme->blendmode = PBLEND_ADD;
2703         theme->orientation = PARTICLE_BILLBOARD;
2704         theme->color1 = 0x808080;
2705         theme->color2 = 0xFFFFFF;
2706         theme->tex = 63;
2707         theme->size = 2;
2708         theme->sizeincrease = 0;
2709         theme->alpha = 256;
2710         theme->alphafade = 512;
2711         theme->gravity = 0.0f;
2712         theme->bounce = 0.0f;
2713         theme->airfriction = 1.0f;
2714         theme->liquidfriction = 4.0f;
2715         theme->originjitter = 0.0f;
2716         theme->velocityjitter = 0.0f;
2717         theme->qualityreduction = false;
2718         theme->lifetime = 4;
2719         theme->stretch = 1;
2720         theme->staincolor1 = -1;
2721         theme->staincolor2 = -1;
2722         theme->staintex = -1;
2723         theme->delayspawn = 0.0f;
2724         theme->delaycollision = 0.0f;
2725         theme->angle = 0.0f;
2726         theme->spin = 0.0f;
2727 }
2728
2729 // particle theme -> QC globals
2730 static void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme, prvm_prog_t *prog)
2731 {
2732         PRVM_clientglobalfloat(particle_type) = theme->typeindex;
2733         PRVM_clientglobalfloat(particle_blendmode) = theme->blendmode;
2734         PRVM_clientglobalfloat(particle_orientation) = theme->orientation;
2735         // VorteX: int only can store 0-255, not 0-256 which means 0 - 0,99609375...
2736         VectorSet(PRVM_clientglobalvector(particle_color1), (theme->color1 >> 16) & 0xFF, (theme->color1 >> 8) & 0xFF, (theme->color1 >> 0) & 0xFF);
2737         VectorSet(PRVM_clientglobalvector(particle_color2), (theme->color2 >> 16) & 0xFF, (theme->color2 >> 8) & 0xFF, (theme->color2 >> 0) & 0xFF);
2738         PRVM_clientglobalfloat(particle_tex) = (prvm_vec_t)theme->tex;
2739         PRVM_clientglobalfloat(particle_size) = theme->size;
2740         PRVM_clientglobalfloat(particle_sizeincrease) = theme->sizeincrease;
2741         PRVM_clientglobalfloat(particle_alpha) = theme->alpha/256;
2742         PRVM_clientglobalfloat(particle_alphafade) = theme->alphafade/256;
2743         PRVM_clientglobalfloat(particle_time) = theme->lifetime;
2744         PRVM_clientglobalfloat(particle_gravity) = theme->gravity;
2745         PRVM_clientglobalfloat(particle_bounce) = theme->bounce;
2746         PRVM_clientglobalfloat(particle_airfriction) = theme->airfriction;
2747         PRVM_clientglobalfloat(particle_liquidfriction) = theme->liquidfriction;
2748         PRVM_clientglobalfloat(particle_originjitter) = theme->originjitter;
2749         PRVM_clientglobalfloat(particle_velocityjitter) = theme->velocityjitter;
2750         PRVM_clientglobalfloat(particle_qualityreduction) = theme->qualityreduction;
2751         PRVM_clientglobalfloat(particle_stretch) = theme->stretch;
2752         VectorSet(PRVM_clientglobalvector(particle_staincolor1), ((int)theme->staincolor1 >> 16) & 0xFF, ((int)theme->staincolor1 >> 8) & 0xFF, ((int)theme->staincolor1 >> 0) & 0xFF);
2753         VectorSet(PRVM_clientglobalvector(particle_staincolor2), ((int)theme->staincolor2 >> 16) & 0xFF, ((int)theme->staincolor2 >> 8) & 0xFF, ((int)theme->staincolor2 >> 0) & 0xFF);
2754         PRVM_clientglobalfloat(particle_staintex) = (prvm_vec_t)theme->staintex;
2755         PRVM_clientglobalfloat(particle_stainalpha) = (prvm_vec_t)theme->stainalpha/256;
2756         PRVM_clientglobalfloat(particle_stainsize) = (prvm_vec_t)theme->stainsize;
2757         PRVM_clientglobalfloat(particle_delayspawn) = theme->delayspawn;
2758         PRVM_clientglobalfloat(particle_delaycollision) = theme->delaycollision;
2759         PRVM_clientglobalfloat(particle_angle) = theme->angle;
2760         PRVM_clientglobalfloat(particle_spin) = theme->spin;
2761 }
2762
2763 // QC globals ->  particle theme
2764 static void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme, prvm_prog_t *prog)
2765 {
2766         theme->typeindex = (unsigned short)PRVM_clientglobalfloat(particle_type);
2767         theme->blendmode = (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode);
2768         theme->orientation = (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation);
2769         theme->color1 = ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]);
2770         theme->color2 = ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]);
2771         theme->tex = (int)PRVM_clientglobalfloat(particle_tex);
2772         theme->size = PRVM_clientglobalfloat(particle_size);
2773         theme->sizeincrease = PRVM_clientglobalfloat(particle_sizeincrease);
2774         theme->alpha = PRVM_clientglobalfloat(particle_alpha)*256;
2775         theme->alphafade = PRVM_clientglobalfloat(particle_alphafade)*256;
2776         theme->lifetime = PRVM_clientglobalfloat(particle_time);
2777         theme->gravity = PRVM_clientglobalfloat(particle_gravity);
2778         theme->bounce = PRVM_clientglobalfloat(particle_bounce);
2779         theme->airfriction = PRVM_clientglobalfloat(particle_airfriction);
2780         theme->liquidfriction = PRVM_clientglobalfloat(particle_liquidfriction);
2781         theme->originjitter = PRVM_clientglobalfloat(particle_originjitter);
2782         theme->velocityjitter = PRVM_clientglobalfloat(particle_velocityjitter);
2783         theme->qualityreduction = PRVM_clientglobalfloat(particle_qualityreduction) != 0 ? true : false;
2784         theme->stretch = PRVM_clientglobalfloat(particle_stretch);
2785         theme->staincolor1 = ((int)PRVM_clientglobalvector(particle_staincolor1)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor1)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor1)[2]);
2786         theme->staincolor2 = (int)(PRVM_clientglobalvector(particle_staincolor2)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor2)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor2)[2]);
2787         theme->staintex =(int)PRVM_clientglobalfloat(particle_staintex);
2788         theme->stainalpha = PRVM_clientglobalfloat(particle_stainalpha)*256;
2789         theme->stainsize = PRVM_clientglobalfloat(particle_stainsize);
2790         theme->delayspawn = PRVM_clientglobalfloat(particle_delayspawn);
2791         theme->delaycollision = PRVM_clientglobalfloat(particle_delaycollision);
2792         theme->angle = PRVM_clientglobalfloat(particle_angle);
2793         theme->spin = PRVM_clientglobalfloat(particle_spin);
2794 }
2795
2796 // init particle spawner interface
2797 // # float(float max_themes) initparticlespawner
2798 static void VM_CL_InitParticleSpawner (prvm_prog_t *prog)
2799 {
2800         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_InitParticleSpawner);
2801         VM_InitParticleSpawner(prog, (int)PRVM_G_FLOAT(OFS_PARM0));
2802         vmpartspawner.themes[0].initialized = true;
2803         VM_ResetParticleTheme(&vmpartspawner.themes[0]);
2804         PRVM_G_FLOAT(OFS_RETURN) = (vmpartspawner.verified == true) ? 1 : 0;
2805 }
2806
2807 // void() resetparticle
2808 static void VM_CL_ResetParticle (prvm_prog_t *prog)
2809 {
2810         VM_SAFEPARMCOUNT(0, VM_CL_ResetParticle);
2811         if (vmpartspawner.verified == false)
2812         {
2813                 VM_Warning(prog, "VM_CL_ResetParticle: particle spawner not initialized\n");
2814                 return;
2815         }
2816         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2817 }
2818
2819 // void(float themenum) particletheme
2820 static void VM_CL_ParticleTheme (prvm_prog_t *prog)
2821 {
2822         int themenum;
2823
2824         VM_SAFEPARMCOUNT(1, VM_CL_ParticleTheme);
2825         if (vmpartspawner.verified == false)
2826         {
2827                 VM_Warning(prog, "VM_CL_ParticleTheme: particle spawner not initialized\n");
2828                 return;
2829         }
2830         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2831         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2832         {
2833                 VM_Warning(prog, "VM_CL_ParticleTheme: bad theme number %i\n", themenum);
2834                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2835                 return;
2836         }
2837         if (vmpartspawner.themes[themenum].initialized == false)
2838         {
2839                 VM_Warning(prog, "VM_CL_ParticleTheme: theme #%i not exists\n", themenum);
2840                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2841                 return;
2842         }
2843         // load particle theme into globals
2844         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[themenum], prog);
2845 }
2846
2847 // float() saveparticletheme
2848 // void(float themenum) updateparticletheme
2849 static void VM_CL_ParticleThemeSave (prvm_prog_t *prog)
2850 {
2851         int themenum;
2852
2853         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_ParticleThemeSave);
2854         if (vmpartspawner.verified == false)
2855         {
2856                 VM_Warning(prog, "VM_CL_ParticleThemeSave: particle spawner not initialized\n");
2857                 return;
2858         }
2859         // allocate new theme, save it and return
2860         if (prog->argc < 1)
2861         {
2862                 for (themenum = 0; themenum < vmpartspawner.max_themes; themenum++)
2863                         if (vmpartspawner.themes[themenum].initialized == false)
2864                                 break;
2865                 if (themenum >= vmpartspawner.max_themes)
2866                 {
2867                         if (vmpartspawner.max_themes == 2048)
2868                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots\n");
2869                         else
2870                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots, try initparticlespawner() with highter max_themes\n");
2871                         PRVM_G_FLOAT(OFS_RETURN) = -1;
2872                         return;
2873                 }
2874                 vmpartspawner.themes[themenum].initialized = true;
2875                 VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum], prog);
2876                 PRVM_G_FLOAT(OFS_RETURN) = themenum;
2877                 return;
2878         }
2879         // update existing theme
2880         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2881         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2882         {
2883                 VM_Warning(prog, "VM_CL_ParticleThemeSave: bad theme number %i\n", themenum);
2884                 return;
2885         }
2886         vmpartspawner.themes[themenum].initialized = true;
2887         VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum], prog);
2888 }
2889
2890 // void(float themenum) freeparticletheme
2891 static void VM_CL_ParticleThemeFree (prvm_prog_t *prog)
2892 {
2893         int themenum;
2894
2895         VM_SAFEPARMCOUNT(1, VM_CL_ParticleThemeFree);
2896         if (vmpartspawner.verified == false)
2897         {
2898                 VM_Warning(prog, "VM_CL_ParticleThemeFree: particle spawner not initialized\n");
2899                 return;
2900         }
2901         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2902         // check parms
2903         if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2904         {
2905                 VM_Warning(prog, "VM_CL_ParticleThemeFree: bad theme number %i\n", themenum);
2906                 return;
2907         }
2908         if (vmpartspawner.themes[themenum].initialized == false)
2909         {
2910                 VM_Warning(prog, "VM_CL_ParticleThemeFree: theme #%i already freed\n", themenum);
2911                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2912                 return;
2913         }
2914         // free theme
2915         VM_ResetParticleTheme(&vmpartspawner.themes[themenum]);
2916         vmpartspawner.themes[themenum].initialized = false;
2917 }
2918
2919 // float(vector org, vector dir, [float theme]) particle
2920 // returns 0 if failed, 1 if succesful
2921 static void VM_CL_SpawnParticle (prvm_prog_t *prog)
2922 {
2923         vec3_t org, dir;
2924         vmparticletheme_t *theme;
2925         particle_t *part;
2926         int themenum;
2927
2928         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_SpawnParticle2);
2929         if (vmpartspawner.verified == false)
2930         {
2931                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
2932                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2933                 return;
2934         }
2935         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
2936         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
2937         
2938         if (prog->argc < 3) // global-set particle
2939         {
2940                 part = CL_NewParticle(org,
2941                         (unsigned short)PRVM_clientglobalfloat(particle_type),
2942                         ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]),
2943                         ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]),
2944                         (int)PRVM_clientglobalfloat(particle_tex),
2945                         PRVM_clientglobalfloat(particle_size),
2946                         PRVM_clientglobalfloat(particle_sizeincrease),
2947                         PRVM_clientglobalfloat(particle_alpha)*256,
2948                         PRVM_clientglobalfloat(particle_alphafade)*256,
2949                         PRVM_clientglobalfloat(particle_gravity),
2950                         PRVM_clientglobalfloat(particle_bounce),
2951                         org[0],
2952                         org[1],
2953                         org[2],
2954                         dir[0],
2955                         dir[1],
2956                         dir[2],
2957                         PRVM_clientglobalfloat(particle_airfriction),
2958                         PRVM_clientglobalfloat(particle_liquidfriction),
2959                         PRVM_clientglobalfloat(particle_originjitter),
2960                         PRVM_clientglobalfloat(particle_velocityjitter),
2961                         (PRVM_clientglobalfloat(particle_qualityreduction)) ? true : false,
2962                         PRVM_clientglobalfloat(particle_time),
2963                         PRVM_clientglobalfloat(particle_stretch),
2964                         (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode),
2965                         (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation),
2966                         (int)(PRVM_clientglobalvector(particle_staincolor1)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor1)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor1)[2]),
2967                         (int)(PRVM_clientglobalvector(particle_staincolor2)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor2)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor2)[2]),
2968                         (int)PRVM_clientglobalfloat(particle_staintex),
2969                         PRVM_clientglobalfloat(particle_stainalpha)*256,
2970                         PRVM_clientglobalfloat(particle_stainsize),
2971                         PRVM_clientglobalfloat(particle_angle),
2972                         PRVM_clientglobalfloat(particle_spin),
2973                         NULL);
2974                 if (!part)
2975                 {
2976                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2977                         return;
2978                 }
2979                 if (PRVM_clientglobalfloat(particle_delayspawn))
2980                         part->delayedspawn = cl.time + PRVM_clientglobalfloat(particle_delayspawn);
2981                 //if (PRVM_clientglobalfloat(particle_delaycollision))
2982                 //      part->delayedcollisions = cl.time + PRVM_clientglobalfloat(particle_delaycollision);
2983         }
2984         else // quick themed particle
2985         {
2986                 themenum = (int)PRVM_G_FLOAT(OFS_PARM2);
2987                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2988                 {
2989                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2990                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2991                         return;
2992                 }
2993                 theme = &vmpartspawner.themes[themenum];
2994                 part = CL_NewParticle(org,
2995                         theme->typeindex,
2996                         theme->color1,
2997                         theme->color2,
2998                         theme->tex,
2999                         theme->size,
3000                         theme->sizeincrease,
3001                         theme->alpha,
3002                         theme->alphafade,
3003                         theme->gravity,
3004                         theme->bounce,
3005                         org[0],
3006                         org[1],
3007                         org[2],
3008                         dir[0],
3009                         dir[1],
3010                         dir[2],
3011                         theme->airfriction,
3012                         theme->liquidfriction,
3013                         theme->originjitter,
3014                         theme->velocityjitter,
3015                         theme->qualityreduction,
3016                         theme->lifetime,
3017                         theme->stretch,
3018                         theme->blendmode,
3019                         theme->orientation,
3020                         theme->staincolor1,
3021                         theme->staincolor2,
3022                         theme->staintex,
3023                         theme->stainalpha,
3024                         theme->stainsize,
3025                         theme->angle,
3026                         theme->spin,
3027                         NULL);
3028                 if (!part)
3029                 {
3030                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
3031                         return;
3032                 }
3033                 if (theme->delayspawn)
3034                         part->delayedspawn = cl.time + theme->delayspawn;
3035                 //if (theme->delaycollision)
3036                 //      part->delayedcollisions = cl.time + theme->delaycollision;
3037         }
3038         PRVM_G_FLOAT(OFS_RETURN) = 1; 
3039 }
3040
3041 // float(vector org, vector dir, float spawndelay, float collisiondelay, [float theme]) delayedparticle
3042 // returns 0 if failed, 1 if success
3043 static void VM_CL_SpawnParticleDelayed (prvm_prog_t *prog)
3044 {
3045         vec3_t org, dir;
3046         vmparticletheme_t *theme;
3047         particle_t *part;
3048         int themenum;
3049
3050         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_SpawnParticle2);
3051         if (vmpartspawner.verified == false)
3052         {
3053                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
3054                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3055                 return;
3056         }
3057         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
3058         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
3059         if (prog->argc < 5) // global-set particle
3060                 part = CL_NewParticle(org,
3061                         (unsigned short)PRVM_clientglobalfloat(particle_type),
3062                         ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]),
3063                         ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]),
3064                         (int)PRVM_clientglobalfloat(particle_tex),
3065                         PRVM_clientglobalfloat(particle_size),
3066                         PRVM_clientglobalfloat(particle_sizeincrease),
3067                         PRVM_clientglobalfloat(particle_alpha)*256,
3068                         PRVM_clientglobalfloat(particle_alphafade)*256,
3069                         PRVM_clientglobalfloat(particle_gravity),
3070                         PRVM_clientglobalfloat(particle_bounce),
3071                         org[0],
3072                         org[1],
3073                         org[2],
3074                         dir[0],
3075                         dir[1],
3076                         dir[2],
3077                         PRVM_clientglobalfloat(particle_airfriction),
3078                         PRVM_clientglobalfloat(particle_liquidfriction),
3079                         PRVM_clientglobalfloat(particle_originjitter),
3080                         PRVM_clientglobalfloat(particle_velocityjitter),
3081                         (PRVM_clientglobalfloat(particle_qualityreduction)) ? true : false,
3082                         PRVM_clientglobalfloat(particle_time),
3083                         PRVM_clientglobalfloat(particle_stretch),
3084                         (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode),
3085                         (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation),
3086                         ((int)PRVM_clientglobalvector(particle_staincolor1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_staincolor1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_staincolor1)[2]),
3087                         ((int)PRVM_clientglobalvector(particle_staincolor2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_staincolor2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_staincolor2)[2]),
3088                         (int)PRVM_clientglobalfloat(particle_staintex),
3089                         PRVM_clientglobalfloat(particle_stainalpha)*256,
3090                         PRVM_clientglobalfloat(particle_stainsize),
3091                         PRVM_clientglobalfloat(particle_angle),
3092                         PRVM_clientglobalfloat(particle_spin),
3093                         NULL);
3094         else // themed particle
3095         {
3096                 themenum = (int)PRVM_G_FLOAT(OFS_PARM4);
3097                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
3098                 {
3099                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
3100                         PRVM_G_FLOAT(OFS_RETURN) = 0;  
3101                         return;
3102                 }
3103                 theme = &vmpartspawner.themes[themenum];
3104                 part = CL_NewParticle(org,
3105                         theme->typeindex,
3106                         theme->color1,
3107                         theme->color2,
3108                         theme->tex,
3109                         theme->size,
3110                         theme->sizeincrease,
3111                         theme->alpha,
3112                         theme->alphafade,
3113                         theme->gravity,
3114                         theme->bounce,
3115                         org[0],
3116                         org[1],
3117                         org[2],
3118                         dir[0],
3119                         dir[1],
3120                         dir[2],
3121                         theme->airfriction,
3122                         theme->liquidfriction,
3123                         theme->originjitter,
3124                         theme->velocityjitter,
3125                         theme->qualityreduction,
3126                         theme->lifetime,
3127                         theme->stretch,
3128                         theme->blendmode,
3129                         theme->orientation,
3130                         theme->staincolor1,
3131                         theme->staincolor2,
3132                         theme->staintex,
3133                         theme->stainalpha,
3134                         theme->stainsize,
3135                         theme->angle,
3136                         theme->spin,
3137                         NULL);
3138         }
3139         if (!part) 
3140         { 
3141                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3142                 return; 
3143         }
3144         part->delayedspawn = cl.time + PRVM_G_FLOAT(OFS_PARM2);
3145         //part->delayedcollisions = cl.time + PRVM_G_FLOAT(OFS_PARM3);
3146         PRVM_G_FLOAT(OFS_RETURN) = 0;
3147 }
3148
3149 //====================
3150 //CSQC engine entities query
3151 //====================
3152
3153 // float(float entitynum, float whatfld) getentity;
3154 // vector(float entitynum, float whatfld) getentityvec;
3155 // querying engine-drawn entity
3156 // VorteX: currently it's only tested with whatfld = 1..7
3157 static void VM_CL_GetEntity (prvm_prog_t *prog)
3158 {
3159         int entnum, fieldnum;
3160         vec3_t forward, left, up, org;
3161         VM_SAFEPARMCOUNT(2, VM_CL_GetEntityVec);
3162
3163         entnum = PRVM_G_FLOAT(OFS_PARM0);
3164         if (entnum < 0 || entnum >= cl.num_entities)
3165         {
3166                 PRVM_G_FLOAT(OFS_RETURN) = 0;
3167                 return;
3168         }
3169         fieldnum = PRVM_G_FLOAT(OFS_PARM1);
3170         switch(fieldnum)
3171         {
3172                 case 0: // active state
3173                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities_active[entnum];
3174                         break;
3175                 case 1: // origin
3176                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3177                         VectorCopy(org, PRVM_G_VECTOR(OFS_RETURN));
3178                         break; 
3179                 case 2: // forward
3180                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3181                         VectorCopy(forward, PRVM_G_VECTOR(OFS_RETURN));
3182                         break;
3183                 case 3: // right
3184                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3185                         VectorNegate(left, PRVM_G_VECTOR(OFS_RETURN));
3186                         break;
3187                 case 4: // up
3188                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3189                         VectorCopy(up, PRVM_G_VECTOR(OFS_RETURN));
3190                         break;
3191                 case 5: // scale
3192                         PRVM_G_FLOAT(OFS_RETURN) = Matrix4x4_ScaleFromMatrix(&cl.entities[entnum].render.matrix);
3193                         break;  
3194                 case 6: // origin + v_forward, v_right, v_up
3195                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3196                         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
3197                         VectorNegate(left, PRVM_clientglobalvector(v_right));
3198                         VectorCopy(up, PRVM_clientglobalvector(v_up));
3199                         VectorCopy(org, PRVM_G_VECTOR(OFS_RETURN));
3200                         break;  
3201                 case 7: // alpha
3202                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.alpha;
3203                         break;  
3204                 case 8: // colormor
3205                         VectorCopy(cl.entities[entnum].render.colormod, PRVM_G_VECTOR(OFS_RETURN));
3206                         break;
3207                 case 9: // pants colormod
3208                         VectorCopy(cl.entities[entnum].render.colormap_pantscolor, PRVM_G_VECTOR(OFS_RETURN));
3209                         break;
3210                 case 10: // shirt colormod
3211                         VectorCopy(cl.entities[entnum].render.colormap_shirtcolor, PRVM_G_VECTOR(OFS_RETURN));
3212                         break;
3213                 case 11: // skinnum
3214                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.skinnum;
3215                         break;  
3216                 case 12: // mins
3217                         VectorCopy(cl.entities[entnum].render.mins, PRVM_G_VECTOR(OFS_RETURN));         
3218                         break;  
3219                 case 13: // maxs
3220                         VectorCopy(cl.entities[entnum].render.maxs, PRVM_G_VECTOR(OFS_RETURN));         
3221                         break;  
3222                 case 14: // absmin
3223                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3224                         VectorAdd(cl.entities[entnum].render.mins, org, PRVM_G_VECTOR(OFS_RETURN));             
3225                         break;  
3226                 case 15: // absmax
3227                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3228                         VectorAdd(cl.entities[entnum].render.maxs, org, PRVM_G_VECTOR(OFS_RETURN));             
3229                         break;
3230                 case 16: // light
3231                         VectorMA(cl.entities[entnum].render.modellight_ambient, 0.5, cl.entities[entnum].render.modellight_diffuse, PRVM_G_VECTOR(OFS_RETURN));
3232                         break;  
3233                 default:
3234                         PRVM_G_FLOAT(OFS_RETURN) = 0;
3235                         break;
3236         }
3237 }
3238
3239 //====================
3240 //QC POLYGON functions
3241 //====================
3242
3243 //#304 void() renderscene (EXT_CSQC)
3244 // moved that here to reset the polygons,
3245 // resetting them earlier causes R_Mesh_Draw to be called with numvertices = 0
3246 // --blub
3247 static void VM_CL_R_RenderScene (prvm_prog_t *prog)
3248 {
3249         double t = Sys_DirtyTime();
3250         vmpolygons_t *polys = &prog->vmpolygons;
3251         VM_SAFEPARMCOUNT(0, VM_CL_R_RenderScene);
3252
3253         // update the views
3254         if(r_refdef.view.ismain)
3255         {
3256                 // set the main view
3257                 csqc_main_r_refdef_view = r_refdef.view;
3258
3259                 // clear the flags so no other view becomes "main" unless CSQC sets VF_MAINVIEW
3260                 r_refdef.view.ismain = false;
3261                 csqc_original_r_refdef_view.ismain = false;
3262         }
3263
3264         // we need to update any RENDER_VIEWMODEL entities at this point because
3265         // csqc supplies its own view matrix
3266         CL_UpdateViewEntities();
3267
3268         // now draw stuff!
3269         R_RenderView();
3270
3271         polys->num_vertices = polys->num_triangles = 0;
3272
3273         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
3274         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
3275         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
3276 }
3277
3278 static void VM_ResizePolygons(vmpolygons_t *polys)
3279 {
3280         float *oldvertex3f = polys->data_vertex3f;
3281         float *oldcolor4f = polys->data_color4f;
3282         float *oldtexcoord2f = polys->data_texcoord2f;
3283         vmpolygons_triangle_t *oldtriangles = polys->data_triangles;
3284         unsigned short *oldsortedelement3s = polys->data_sortedelement3s;
3285         polys->max_vertices = min(polys->max_triangles*3, 65536);
3286         polys->data_vertex3f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[3]));
3287         polys->data_color4f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[4]));
3288         polys->data_texcoord2f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[2]));
3289         polys->data_triangles = (vmpolygons_triangle_t *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(vmpolygons_triangle_t));
3290         polys->data_sortedelement3s = (unsigned short *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(unsigned short[3]));
3291         if (polys->num_vertices)
3292         {
3293                 memcpy(polys->data_vertex3f, oldvertex3f, polys->num_vertices*sizeof(float[3]));
3294                 memcpy(polys->data_color4f, oldcolor4f, polys->num_vertices*sizeof(float[4]));
3295                 memcpy(polys->data_texcoord2f, oldtexcoord2f, polys->num_vertices*sizeof(float[2]));
3296         }
3297         if (polys->num_triangles)
3298         {
3299                 memcpy(polys->data_triangles, oldtriangles, polys->num_triangles*sizeof(vmpolygons_triangle_t));
3300                 memcpy(polys->data_sortedelement3s, oldsortedelement3s, polys->num_triangles*sizeof(unsigned short[3]));
3301         }
3302         if (oldvertex3f)
3303                 Mem_Free(oldvertex3f);
3304         if (oldcolor4f)
3305                 Mem_Free(oldcolor4f);
3306         if (oldtexcoord2f)
3307                 Mem_Free(oldtexcoord2f);
3308         if (oldtriangles)
3309                 Mem_Free(oldtriangles);
3310         if (oldsortedelement3s)
3311                 Mem_Free(oldsortedelement3s);
3312 }
3313
3314 static void VM_InitPolygons (vmpolygons_t* polys)
3315 {
3316         memset(polys, 0, sizeof(*polys));
3317         polys->pool = Mem_AllocPool("VMPOLY", 0, NULL);
3318         polys->max_triangles = 1024;
3319         VM_ResizePolygons(polys);
3320         polys->initialized = true;
3321 }
3322
3323 static void VM_DrawPolygonCallback (const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
3324 {
3325         int surfacelistindex;
3326         vmpolygons_t *polys = (vmpolygons_t *)ent;
3327 //      R_Mesh_ResetTextureState();
3328         R_EntityMatrix(&identitymatrix);
3329         GL_CullFace(GL_NONE);
3330         GL_DepthTest(true); // polys in 3D space shall always have depth test
3331         GL_DepthRange(0, 1);
3332         R_Mesh_PrepareVertices_Generic_Arrays(polys->num_vertices, polys->data_vertex3f, polys->data_color4f, polys->data_texcoord2f);
3333
3334         for (surfacelistindex = 0;surfacelistindex < numsurfaces;)
3335         {
3336                 int numtriangles = 0;
3337                 rtexture_t *tex = polys->data_triangles[surfacelist[surfacelistindex]].texture;
3338                 int drawflag = polys->data_triangles[surfacelist[surfacelistindex]].drawflag;
3339                 DrawQ_ProcessDrawFlag(drawflag, polys->data_triangles[surfacelist[surfacelistindex]].hasalpha);
3340                 R_SetupShader_Generic(tex, NULL, GL_MODULATE, 1, false, false, false);
3341                 numtriangles = 0;
3342                 for (;surfacelistindex < numsurfaces;surfacelistindex++)
3343                 {
3344                         if (polys->data_triangles[surfacelist[surfacelistindex]].texture != tex || polys->data_triangles[surfacelist[surfacelistindex]].drawflag != drawflag)
3345                                 break;
3346                         VectorCopy(polys->data_triangles[surfacelist[surfacelistindex]].elements, polys->data_sortedelement3s + 3*numtriangles);
3347                         numtriangles++;
3348                 }
3349                 R_Mesh_Draw(0, polys->num_vertices, 0, numtriangles, NULL, NULL, 0, polys->data_sortedelement3s, NULL, 0);
3350         }
3351 }
3352
3353 static void VMPolygons_Store(vmpolygons_t *polys)
3354 {
3355         qboolean hasalpha;
3356         int i;
3357
3358         // detect if we have alpha
3359         hasalpha = polys->begin_texture_hasalpha;
3360         for(i = 0; !hasalpha && (i < polys->begin_vertices); ++i)
3361                 if(polys->begin_color[i][3] < 1)
3362                         hasalpha = true;
3363
3364         if (polys->begin_draw2d)
3365         {
3366                 // draw the polygon as 2D immediately
3367                 drawqueuemesh_t mesh;
3368                 mesh.texture = polys->begin_texture;
3369                 mesh.num_vertices = polys->begin_vertices;
3370                 mesh.num_triangles = polys->begin_vertices-2;
3371                 mesh.data_element3i = polygonelement3i;
3372                 mesh.data_element3s = polygonelement3s;
3373                 mesh.data_vertex3f = polys->begin_vertex[0];
3374                 mesh.data_color4f = polys->begin_color[0];
3375                 mesh.data_texcoord2f = polys->begin_texcoord[0];
3376                 DrawQ_Mesh(&mesh, polys->begin_drawflag, hasalpha);
3377         }
3378         else
3379         {
3380                 // queue the polygon as 3D for sorted transparent rendering later
3381                 int i;
3382                 if (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3383                 {
3384                         while (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3385                                 polys->max_triangles *= 2;
3386                         VM_ResizePolygons(polys);
3387                 }
3388                 if (polys->num_vertices + polys->begin_vertices <= polys->max_vertices)
3389                 {
3390                         // needle in a haystack!
3391                         // polys->num_vertices was used for copying where we actually want to copy begin_vertices
3392                         // that also caused it to not render the first polygon that is added
3393                         // --blub
3394                         memcpy(polys->data_vertex3f + polys->num_vertices * 3, polys->begin_vertex[0], polys->begin_vertices * sizeof(float[3]));
3395                         memcpy(polys->data_color4f + polys->num_vertices * 4, polys->begin_color[0], polys->begin_vertices * sizeof(float[4]));
3396                         memcpy(polys->data_texcoord2f + polys->num_vertices * 2, polys->begin_texcoord[0], polys->begin_vertices * sizeof(float[2]));
3397                         for (i = 0;i < polys->begin_vertices-2;i++)
3398                         {
3399                                 polys->data_triangles[polys->num_triangles].texture = polys->begin_texture;
3400                                 polys->data_triangles[polys->num_triangles].drawflag = polys->begin_drawflag;
3401                                 polys->data_triangles[polys->num_triangles].elements[0] = polys->num_vertices;
3402                                 polys->data_triangles[polys->num_triangles].elements[1] = polys->num_vertices + i+1;
3403                                 polys->data_triangles[polys->num_triangles].elements[2] = polys->num_vertices + i+2;
3404                                 polys->data_triangles[polys->num_triangles].hasalpha = hasalpha;
3405                                 polys->num_triangles++;
3406                         }
3407                         polys->num_vertices += polys->begin_vertices;
3408                 }
3409         }
3410         polys->begin_active = false;
3411 }
3412
3413 // TODO: move this into the client code and clean-up everything else, too! [1/6/2008 Black]
3414 // LordHavoc: agreed, this is a mess
3415 void VM_CL_AddPolygonsToMeshQueue (prvm_prog_t *prog)
3416 {
3417         int i;
3418         vmpolygons_t *polys = &prog->vmpolygons;
3419         vec3_t center;
3420
3421         // only add polygons of the currently active prog to the queue - if there is none, we're done
3422         if( !prog )
3423                 return;
3424
3425         if (!polys->num_triangles)
3426                 return;
3427
3428         for (i = 0;i < polys->num_triangles;i++)
3429         {
3430                 VectorMAMAM(1.0f / 3.0f, polys->data_vertex3f + 3*polys->data_triangles[i].elements[0], 1.0f / 3.0f, polys->data_vertex3f + 3*polys->data_triangles[i].elements[1], 1.0f / 3.0f, polys->data_vertex3f + 3*polys->data_triangles[i].elements[2], center);
3431                 R_MeshQueue_AddTransparent(TRANSPARENTSORT_DISTANCE, center, VM_DrawPolygonCallback, (entity_render_t *)polys, i, NULL);
3432         }
3433
3434         /*polys->num_triangles = 0; // now done after rendering the scene,
3435           polys->num_vertices = 0;  // otherwise it's not rendered at all and prints an error message --blub */
3436 }
3437
3438 //void(string texturename, float flag[, float is2d]) R_BeginPolygon
3439 static void VM_CL_R_PolygonBegin (prvm_prog_t *prog)
3440 {
3441         const char              *picname;
3442         skinframe_t     *sf;
3443         vmpolygons_t *polys = &prog->vmpolygons;
3444         int tf;
3445
3446         // TODO instead of using skinframes here (which provides the benefit of
3447         // better management of flags, and is more suited for 3D rendering), what
3448         // about supporting Q3 shaders?
3449
3450         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_R_PolygonBegin);
3451
3452         if (!polys->initialized)
3453                 VM_InitPolygons(polys);
3454         if (polys->begin_active)
3455         {
3456                 VM_Warning(prog, "VM_CL_R_PolygonBegin: called twice without VM_CL_R_PolygonBegin after first\n");
3457                 return;
3458         }
3459         picname = PRVM_G_STRING(OFS_PARM0);
3460
3461         sf = NULL;
3462         if(*picname)
3463         {
3464                 tf = TEXF_ALPHA;
3465                 if((int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MIPMAP)
3466                         tf |= TEXF_MIPMAP;
3467
3468                 do
3469                 {
3470                         sf = R_SkinFrame_FindNextByName(sf, picname);
3471                 }
3472                 while(sf && sf->textureflags != tf);
3473
3474                 if(!sf || !sf->base)
3475                         sf = R_SkinFrame_LoadExternal(picname, tf, true);
3476
3477                 if(sf)
3478                         R_SkinFrame_MarkUsed(sf);
3479         }
3480
3481         polys->begin_texture = (sf && sf->base) ? sf->base : r_texture_white;
3482         polys->begin_texture_hasalpha = (sf && sf->base) ? sf->hasalpha : false;
3483         polys->begin_drawflag = (int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MASK;
3484         polys->begin_vertices = 0;
3485         polys->begin_active = true;
3486         polys->begin_draw2d = (prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : r_refdef.draw2dstage);
3487 }
3488
3489 //void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
3490 static void VM_CL_R_PolygonVertex (prvm_prog_t *prog)
3491 {
3492         vmpolygons_t *polys = &prog->vmpolygons;
3493
3494         VM_SAFEPARMCOUNT(4, VM_CL_R_PolygonVertex);
3495
3496         if (!polys->begin_active)
3497         {
3498                 VM_Warning(prog, "VM_CL_R_PolygonVertex: VM_CL_R_PolygonBegin wasn't called\n");
3499                 return;
3500         }
3501
3502         if (polys->begin_vertices >= VMPOLYGONS_MAXPOINTS)
3503         {
3504                 VM_Warning(prog, "VM_CL_R_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3505                 return;
3506         }
3507
3508         polys->begin_vertex[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM0)[0];
3509         polys->begin_vertex[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM0)[1];
3510         polys->begin_vertex[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM0)[2];
3511         polys->begin_texcoord[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM1)[0];
3512         polys->begin_texcoord[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM1)[1];
3513         polys->begin_color[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM2)[0];
3514         polys->begin_color[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM2)[1];
3515         polys->begin_color[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM2)[2];
3516         polys->begin_color[polys->begin_vertices][3] = PRVM_G_FLOAT(OFS_PARM3);
3517         polys->begin_vertices++;
3518 }
3519
3520 //void() R_EndPolygon
3521 static void VM_CL_R_PolygonEnd (prvm_prog_t *prog)
3522 {
3523         vmpolygons_t *polys = &prog->vmpolygons;
3524
3525         VM_SAFEPARMCOUNT(0, VM_CL_R_PolygonEnd);
3526         if (!polys->begin_active)
3527         {
3528                 VM_Warning(prog, "VM_CL_R_PolygonEnd: VM_CL_R_PolygonBegin wasn't called\n");
3529                 return;
3530         }
3531         polys->begin_active = false;
3532         if (polys->begin_vertices >= 3)
3533                 VMPolygons_Store(polys);
3534         else
3535                 VM_Warning(prog, "VM_CL_R_PolygonEnd: %i vertices isn't a good choice\n", polys->begin_vertices);
3536 }
3537
3538 static vmpolygons_t debugPolys;
3539
3540 void Debug_PolygonBegin(const char *picname, int drawflag)
3541 {
3542         if(!debugPolys.initialized)
3543                 VM_InitPolygons(&debugPolys);
3544         if(debugPolys.begin_active)
3545         {
3546                 Con_Printf("Debug_PolygonBegin: called twice without Debug_PolygonEnd after first\n");
3547                 return;
3548         }
3549         debugPolys.begin_texture = picname[0] ? Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT)->tex : r_texture_white;
3550         debugPolys.begin_drawflag = drawflag;
3551         debugPolys.begin_vertices = 0;
3552         debugPolys.begin_active = true;
3553 }
3554
3555 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a)
3556 {
3557         if(!debugPolys.begin_active)
3558         {
3559                 Con_Printf("Debug_PolygonVertex: Debug_PolygonBegin wasn't called\n");
3560                 return;
3561         }
3562
3563         if(debugPolys.begin_vertices > VMPOLYGONS_MAXPOINTS)
3564         {
3565                 Con_Printf("Debug_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3566                 return;
3567         }
3568
3569         debugPolys.begin_vertex[debugPolys.begin_vertices][0] = x;
3570         debugPolys.begin_vertex[debugPolys.begin_vertices][1] = y;
3571         debugPolys.begin_vertex[debugPolys.begin_vertices][2] = z;
3572         debugPolys.begin_texcoord[debugPolys.begin_vertices][0] = s;
3573         debugPolys.begin_texcoord[debugPolys.begin_vertices][1] = t;
3574         debugPolys.begin_color[debugPolys.begin_vertices][0] = r;
3575         debugPolys.begin_color[debugPolys.begin_vertices][1] = g;
3576         debugPolys.begin_color[debugPolys.begin_vertices][2] = b;
3577         debugPolys.begin_color[debugPolys.begin_vertices][3] = a;
3578         debugPolys.begin_vertices++;
3579 }
3580
3581 void Debug_PolygonEnd(void)
3582 {
3583         if (!debugPolys.begin_active)
3584         {
3585                 Con_Printf("Debug_PolygonEnd: Debug_PolygonBegin wasn't called\n");
3586                 return;
3587         }
3588         debugPolys.begin_active = false;
3589         if (debugPolys.begin_vertices >= 3)
3590                 VMPolygons_Store(&debugPolys);
3591         else
3592                 Con_Printf("Debug_PolygonEnd: %i vertices isn't a good choice\n", debugPolys.begin_vertices);
3593 }
3594
3595 /*
3596 =============
3597 CL_CheckBottom
3598
3599 Returns false if any part of the bottom of the entity is off an edge that
3600 is not a staircase.
3601
3602 =============
3603 */
3604 static qboolean CL_CheckBottom (prvm_edict_t *ent)
3605 {
3606         prvm_prog_t *prog = CLVM_prog;
3607         vec3_t  mins, maxs, start, stop;
3608         trace_t trace;
3609         int             x, y;
3610         float   mid, bottom;
3611
3612         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
3613         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
3614
3615 // if all of the points under the corners are solid world, don't bother
3616 // with the tougher checks
3617 // the corners must be within 16 of the midpoint
3618         start[2] = mins[2] - 1;
3619         for     (x=0 ; x<=1 ; x++)
3620                 for     (y=0 ; y<=1 ; y++)
3621                 {
3622                         start[0] = x ? maxs[0] : mins[0];
3623                         start[1] = y ? maxs[1] : mins[1];
3624                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
3625                                 goto realcheck;
3626                 }
3627
3628         return true;            // we got out easy
3629
3630 realcheck:
3631 //
3632 // check it for real...
3633 //
3634         start[2] = mins[2];
3635
3636 // the midpoint must be within 16 of the bottom
3637         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
3638         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
3639         stop[2] = start[2] - 2*sv_stepheight.value;
3640         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), collision_extendmovelength.value, true, false, NULL, true, false);
3641
3642         if (trace.fraction == 1.0)
3643                 return false;
3644         mid = bottom = trace.endpos[2];
3645
3646 // the corners must be within 16 of the midpoint
3647         for     (x=0 ; x<=1 ; x++)
3648                 for     (y=0 ; y<=1 ; y++)
3649                 {
3650                         start[0] = stop[0] = x ? maxs[0] : mins[0];
3651                         start[1] = stop[1] = y ? maxs[1] : mins[1];
3652
3653                         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), collision_extendmovelength.value, true, false, NULL, true, false);
3654
3655                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
3656                                 bottom = trace.endpos[2];
3657                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
3658                                 return false;
3659                 }
3660
3661         return true;
3662 }
3663
3664 /*
3665 =============
3666 CL_movestep
3667
3668 Called by monster program code.
3669 The move will be adjusted for slopes and stairs, but if the move isn't
3670 possible, no move is done and false is returned
3671 =============
3672 */
3673 static qboolean CL_movestep (prvm_edict_t *ent, vec3_t move, qboolean relink, qboolean noenemy, qboolean settrace)
3674 {
3675         prvm_prog_t *prog = CLVM_prog;
3676         float           dz;
3677         vec3_t          oldorg, neworg, end, traceendpos;
3678         vec3_t          mins, maxs, start;
3679         trace_t         trace;
3680         int                     i, svent;
3681         prvm_edict_t            *enemy;
3682
3683 // try the move
3684         VectorCopy(PRVM_clientedictvector(ent, mins), mins);
3685         VectorCopy(PRVM_clientedictvector(ent, maxs), maxs);
3686         VectorCopy (PRVM_clientedictvector(ent, origin), oldorg);
3687         VectorAdd (PRVM_clientedictvector(ent, origin), move, neworg);
3688
3689 // flying monsters don't step up
3690         if ( (int)PRVM_clientedictfloat(ent, flags) & (FL_SWIM | FL_FLY) )
3691         {
3692         // try one move with vertical motion, then one without
3693                 for (i=0 ; i<2 ; i++)
3694                 {
3695                         VectorAdd (PRVM_clientedictvector(ent, origin), move, neworg);
3696                         enemy = PRVM_PROG_TO_EDICT(PRVM_clientedictedict(ent, enemy));
3697                         if (i == 0 && enemy != prog->edicts)
3698                         {
3699                                 dz = PRVM_clientedictvector(ent, origin)[2] - PRVM_clientedictvector(PRVM_PROG_TO_EDICT(PRVM_clientedictedict(ent, enemy)), origin)[2];
3700                                 if (dz > 40)
3701                                         neworg[2] -= 8;
3702                                 if (dz < 30)
3703                                         neworg[2] += 8;
3704                         }
3705                         VectorCopy(PRVM_clientedictvector(ent, origin), start);
3706                         trace = CL_TraceBox(start, mins, maxs, neworg, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), collision_extendmovelength.value, true, true, &svent, true);
3707                         if (settrace)
3708                                 CL_VM_SetTraceGlobals(prog, &trace, svent);
3709
3710                         if (trace.fraction == 1)
3711                         {
3712                                 VectorCopy(trace.endpos, traceendpos);
3713                                 if (((int)PRVM_clientedictfloat(ent, flags) & FL_SWIM) && !(CL_PointSuperContents(traceendpos) & SUPERCONTENTS_LIQUIDSMASK))
3714                                         return false;   // swim monster left water
3715
3716                                 VectorCopy (traceendpos, PRVM_clientedictvector(ent, origin));
3717                                 if (relink)
3718                                         CL_LinkEdict(ent);
3719                                 return true;
3720                         }
3721
3722                         if (enemy == prog->edicts)
3723                                 break;
3724                 }
3725
3726                 return false;
3727         }
3728
3729 // push down from a step height above the wished position
3730         neworg[2] += sv_stepheight.value;
3731         VectorCopy (neworg, end);
3732         end[2] -= sv_stepheight.value*2;
3733
3734         trace = CL_TraceBox(neworg, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), collision_extendmovelength.value, true, true, &svent, true);
3735         if (settrace)
3736                 CL_VM_SetTraceGlobals(prog, &trace, svent);
3737
3738         if (trace.startsolid)
3739         {
3740                 neworg[2] -= sv_stepheight.value;
3741                 trace = CL_TraceBox(neworg, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), collision_extendmovelength.value, true, true, &svent, true);
3742                 if (settrace)
3743                         CL_VM_SetTraceGlobals(prog, &trace, svent);
3744                 if (trace.startsolid)
3745                         return false;
3746         }
3747         if (trace.fraction == 1)
3748         {
3749         // if monster had the ground pulled out, go ahead and fall
3750                 if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3751                 {
3752                         VectorAdd (PRVM_clientedictvector(ent, origin), move, PRVM_clientedictvector(ent, origin));
3753                         if (relink)
3754                                 CL_LinkEdict(ent);
3755                         PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) & ~FL_ONGROUND;
3756                         return true;
3757                 }
3758
3759                 return false;           // walked off an edge
3760         }
3761
3762 // check point traces down for dangling corners
3763         VectorCopy (trace.endpos, PRVM_clientedictvector(ent, origin));
3764
3765         if (!CL_CheckBottom (ent))
3766         {
3767                 if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3768                 {       // entity had floor mostly pulled out from underneath it
3769                         // and is trying to correct
3770                         if (relink)
3771                                 CL_LinkEdict(ent);
3772                         return true;
3773                 }
3774                 VectorCopy (oldorg, PRVM_clientedictvector(ent, origin));
3775                 return false;
3776         }
3777
3778         if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3779                 PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) & ~FL_PARTIALGROUND;
3780
3781         PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
3782
3783 // the move is ok
3784         if (relink)
3785                 CL_LinkEdict(ent);
3786         return true;
3787 }
3788
3789 /*
3790 ===============
3791 VM_CL_walkmove
3792
3793 float(float yaw, float dist[, settrace]) walkmove
3794 ===============
3795 */
3796 static void VM_CL_walkmove (prvm_prog_t *prog)
3797 {
3798         prvm_edict_t    *ent;
3799         float   yaw, dist;
3800         vec3_t  move;
3801         mfunction_t     *oldf;
3802         int     oldself;
3803         qboolean        settrace;
3804
3805         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_walkmove);
3806
3807         // assume failure if it returns early
3808         PRVM_G_FLOAT(OFS_RETURN) = 0;
3809
3810         ent = PRVM_PROG_TO_EDICT(PRVM_clientglobaledict(self));
3811         if (ent == prog->edicts)
3812         {
3813                 VM_Warning(prog, "walkmove: can not modify world entity\n");
3814                 return;
3815         }
3816         if (ent->priv.server->free)
3817         {
3818                 VM_Warning(prog, "walkmove: can not modify free entity\n");
3819                 return;
3820         }
3821         yaw = PRVM_G_FLOAT(OFS_PARM0);
3822         dist = PRVM_G_FLOAT(OFS_PARM1);
3823         settrace = prog->argc >= 3 && PRVM_G_FLOAT(OFS_PARM2);
3824
3825         if ( !( (int)PRVM_clientedictfloat(ent, flags) & (FL_ONGROUND|FL_FLY|FL_SWIM) ) )
3826                 return;
3827
3828         yaw = yaw*M_PI*2 / 360;
3829
3830         move[0] = cos(yaw)*dist;
3831         move[1] = sin(yaw)*dist;
3832         move[2] = 0;
3833
3834 // save program state, because CL_movestep may call other progs
3835         oldf = prog->xfunction;
3836         oldself = PRVM_clientglobaledict(self);
3837
3838         PRVM_G_FLOAT(OFS_RETURN) = CL_movestep(ent, move, true, false, settrace);
3839
3840
3841 // restore program state
3842         prog->xfunction = oldf;
3843         PRVM_clientglobaledict(self) = oldself;
3844 }
3845
3846 /*
3847 ===============
3848 VM_CL_serverkey
3849
3850 string(string key) serverkey
3851 ===============
3852 */
3853 static void VM_CL_serverkey(prvm_prog_t *prog)
3854 {
3855         char string[VM_STRINGTEMP_LENGTH];
3856         VM_SAFEPARMCOUNT(1, VM_CL_serverkey);
3857         InfoString_GetValue(cl.qw_serverinfo, PRVM_G_STRING(OFS_PARM0), string, sizeof(string));
3858         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
3859 }
3860
3861 /*
3862 =================
3863 VM_CL_checkpvs
3864
3865 Checks if an entity is in a point's PVS.
3866 Should be fast but can be inexact.
3867
3868 float checkpvs(vector viewpos, entity viewee) = #240;
3869 =================
3870 */
3871 static void VM_CL_checkpvs (prvm_prog_t *prog)
3872 {
3873         vec3_t viewpos;
3874         prvm_edict_t *viewee;
3875         vec3_t mi, ma;
3876 #if 1
3877         unsigned char *pvs;
3878 #else
3879         int fatpvsbytes;
3880         unsigned char fatpvs[MAX_MAP_LEAFS/8];
3881 #endif
3882
3883         VM_SAFEPARMCOUNT(2, VM_SV_checkpvs);
3884         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), viewpos);