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