sound7(): properly support channel flags on client; reassign sound flags so FORCELOOP...
[xonotic/darkplaces.git] / clvm_cmds.c
1 #include "quakedef.h"
2
3 #include "prvm_cmds.h"
4 #include "csprogs.h"
5 #include "cl_collision.h"
6 #include "r_shadow.h"
7 #include "jpeg.h"
8 #include "image.h"
9
10 //============================================================================
11 // Client
12 //[515]: unsolved PROBLEMS
13 //- finish player physics code (cs_runplayerphysics)
14 //- EntWasFreed ?
15 //- RF_DEPTHHACK is not like it should be
16 //- add builtin that sets cl.viewangles instead of reading "input_angles" global
17 //- finish lines support for R_Polygon***
18 //- insert selecttraceline into traceline somehow
19
20 //4 feature darkplaces csqc: add builtin to clientside qc for reading triangles of model meshes (useful to orient a ui along a triangle of a model mesh)
21 //4 feature darkplaces csqc: add builtins to clientside qc for gl calls
22
23 extern cvar_t v_flipped;
24 extern cvar_t r_equalize_entities_fullbright;
25
26 r_refdef_view_t csqc_original_r_refdef_view;
27 r_refdef_view_t csqc_main_r_refdef_view;
28
29 // #1 void(vector ang) makevectors
30 static void VM_CL_makevectors (prvm_prog_t *prog)
31 {
32         vec3_t angles, forward, right, up;
33         VM_SAFEPARMCOUNT(1, VM_CL_makevectors);
34         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), angles);
35         AngleVectors(angles, forward, right, up);
36         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
37         VectorCopy(right, PRVM_clientglobalvector(v_right));
38         VectorCopy(up, PRVM_clientglobalvector(v_up));
39 }
40
41 // #2 void(entity e, vector o) setorigin
42 static void VM_CL_setorigin (prvm_prog_t *prog)
43 {
44         prvm_edict_t    *e;
45         prvm_vec_t      *org;
46         VM_SAFEPARMCOUNT(2, VM_CL_setorigin);
47
48         e = PRVM_G_EDICT(OFS_PARM0);
49         if (e == prog->edicts)
50         {
51                 VM_Warning(prog, "setorigin: can not modify world entity\n");
52                 return;
53         }
54         if (e->priv.required->free)
55         {
56                 VM_Warning(prog, "setorigin: can not modify free entity\n");
57                 return;
58         }
59         org = PRVM_G_VECTOR(OFS_PARM1);
60         VectorCopy (org, PRVM_clientedictvector(e, origin));
61         if(e->priv.required->mark == PRVM_EDICT_MARK_WAIT_FOR_SETORIGIN)
62                 e->priv.required->mark = PRVM_EDICT_MARK_SETORIGIN_CAUGHT;
63         CL_LinkEdict(e);
64 }
65
66 static void SetMinMaxSizePRVM (prvm_prog_t *prog, prvm_edict_t *e, prvm_vec_t *min, prvm_vec_t *max)
67 {
68         int             i;
69
70         for (i=0 ; i<3 ; i++)
71                 if (min[i] > max[i])
72                         prog->error_cmd("SetMinMaxSize: backwards mins/maxs");
73
74         // set derived values
75         VectorCopy (min, PRVM_clientedictvector(e, mins));
76         VectorCopy (max, PRVM_clientedictvector(e, maxs));
77         VectorSubtract (max, min, PRVM_clientedictvector(e, size));
78
79         CL_LinkEdict (e);
80 }
81
82 static void SetMinMaxSize (prvm_prog_t *prog, prvm_edict_t *e, const vec_t *min, const vec_t *max)
83 {
84         prvm_vec3_t mins, maxs;
85         VectorCopy(min, mins);
86         VectorCopy(max, maxs);
87         SetMinMaxSizePRVM(prog, e, mins, maxs);
88 }
89
90 // #3 void(entity e, string m) setmodel
91 static void VM_CL_setmodel (prvm_prog_t *prog)
92 {
93         prvm_edict_t    *e;
94         const char              *m;
95         dp_model_t *mod;
96         int                             i;
97
98         VM_SAFEPARMCOUNT(2, VM_CL_setmodel);
99
100         e = PRVM_G_EDICT(OFS_PARM0);
101         PRVM_clientedictfloat(e, modelindex) = 0;
102         PRVM_clientedictstring(e, model) = 0;
103
104         m = PRVM_G_STRING(OFS_PARM1);
105         mod = NULL;
106         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
107         {
108                 if (!strcmp(cl.csqc_model_precache[i]->name, m))
109                 {
110                         mod = cl.csqc_model_precache[i];
111                         PRVM_clientedictstring(e, model) = PRVM_SetEngineString(prog, mod->name);
112                         PRVM_clientedictfloat(e, modelindex) = -(i+1);
113                         break;
114                 }
115         }
116
117         if( !mod ) {
118                 for (i = 0;i < MAX_MODELS;i++)
119                 {
120                         mod = cl.model_precache[i];
121                         if (mod && !strcmp(mod->name, m))
122                         {
123                                 PRVM_clientedictstring(e, model) = PRVM_SetEngineString(prog, mod->name);
124                                 PRVM_clientedictfloat(e, modelindex) = i;
125                                 break;
126                         }
127                 }
128         }
129
130         if( mod ) {
131                 // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
132                 // LordHavoc: erm you broke it by commenting this out - setmodel must do setsize or else the qc can't find out the model size, and ssqc does this by necessity, consistency.
133                 SetMinMaxSize (prog, e, mod->normalmins, mod->normalmaxs);
134         }
135         else
136         {
137                 SetMinMaxSize (prog, e, vec3_origin, vec3_origin);
138                 VM_Warning(prog, "setmodel: model '%s' not precached\n", m);
139         }
140 }
141
142 // #4 void(entity e, vector min, vector max) setsize
143 static void VM_CL_setsize (prvm_prog_t *prog)
144 {
145         prvm_edict_t    *e;
146         vec3_t          mins, maxs;
147         VM_SAFEPARMCOUNT(3, VM_CL_setsize);
148
149         e = PRVM_G_EDICT(OFS_PARM0);
150         if (e == prog->edicts)
151         {
152                 VM_Warning(prog, "setsize: can not modify world entity\n");
153                 return;
154         }
155         if (e->priv.server->free)
156         {
157                 VM_Warning(prog, "setsize: can not modify free entity\n");
158                 return;
159         }
160         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), mins);
161         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), maxs);
162
163         SetMinMaxSize( prog, e, mins, maxs );
164
165         CL_LinkEdict(e);
166 }
167
168 // #8 void(entity e, float chan, string samp, float volume, float atten[, float pitchchange[, float flags]]) sound
169 static void VM_CL_sound (prvm_prog_t *prog)
170 {
171         const char                      *sample;
172         int                                     channel;
173         prvm_edict_t            *entity;
174         float                           volume;
175         float                           attenuation;
176         float pitchchange;
177         float                           startposition;
178         int flags;
179         vec3_t                          org;
180
181         VM_SAFEPARMCOUNTRANGE(5, 7, VM_CL_sound);
182
183         entity = PRVM_G_EDICT(OFS_PARM0);
184         channel = (int)PRVM_G_FLOAT(OFS_PARM1);
185         sample = PRVM_G_STRING(OFS_PARM2);
186         volume = PRVM_G_FLOAT(OFS_PARM3);
187         attenuation = PRVM_G_FLOAT(OFS_PARM4);
188
189         if (volume < 0 || volume > 1)
190         {
191                 VM_Warning(prog, "VM_CL_sound: volume must be in range 0-1\n");
192                 return;
193         }
194
195         if (attenuation < 0 || attenuation > 4)
196         {
197                 VM_Warning(prog, "VM_CL_sound: attenuation must be in range 0-4\n");
198                 return;
199         }
200
201         if (prog->argc < 6)
202                 pitchchange = 0;
203         else
204                 pitchchange = PRVM_G_FLOAT(OFS_PARM5);
205
206         if (prog->argc < 7)
207                 flags = 0;
208         else
209                 flags = PRVM_G_FLOAT(OFS_PARM6);
210
211         // sound_starttime exists instead of sound_startposition because in a
212         // networking sense you might not know when something is being received,
213         // so making sounds match up in sync would be impossible if relative
214         // position was sent
215         if (PRVM_clientglobalfloat(sound_starttime))
216                 startposition = cl.time - PRVM_clientglobalfloat(sound_starttime);
217         else
218                 startposition = 0;
219
220         channel = CHAN_USER2ENGINE(channel);
221
222         if (!IS_CHAN(channel))
223         {
224                 VM_Warning(prog, "VM_CL_sound: channel must be in range 0-127\n");
225                 return;
226         }
227
228         CL_VM_GetEntitySoundOrigin(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), org);
229         S_StartSound_StartPosition_Flags(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), channel, S_FindName(sample), org, volume, attenuation, startposition, flags, pitchchange > 0.0f ? pitchchange * 0.01f : 1.0f);
230 }
231
232 // #483 void(vector origin, string sample, float volume, float attenuation) pointsound
233 static void VM_CL_pointsound(prvm_prog_t *prog)
234 {
235         const char                      *sample;
236         float                           volume;
237         float                           attenuation;
238         vec3_t                          org;
239
240         VM_SAFEPARMCOUNT(4, VM_CL_pointsound);
241
242         VectorCopy( PRVM_G_VECTOR(OFS_PARM0), org);
243         sample = PRVM_G_STRING(OFS_PARM1);
244         volume = PRVM_G_FLOAT(OFS_PARM2);
245         attenuation = PRVM_G_FLOAT(OFS_PARM3);
246
247         if (volume < 0 || volume > 1)
248         {
249                 VM_Warning(prog, "VM_CL_pointsound: volume must be in range 0-1\n");
250                 return;
251         }
252
253         if (attenuation < 0 || attenuation > 4)
254         {
255                 VM_Warning(prog, "VM_CL_pointsound: attenuation must be in range 0-4\n");
256                 return;
257         }
258
259         // Send World Entity as Entity to Play Sound (for CSQC, that is MAX_EDICTS)
260         S_StartSound(MAX_EDICTS, 0, S_FindName(sample), org, volume, attenuation);
261 }
262
263 // #14 entity() spawn
264 static void VM_CL_spawn (prvm_prog_t *prog)
265 {
266         prvm_edict_t *ed;
267         ed = PRVM_ED_Alloc(prog);
268         VM_RETURN_EDICT(ed);
269 }
270
271 static void CL_VM_SetTraceGlobals(prvm_prog_t *prog, const trace_t *trace, int svent)
272 {
273         VM_SetTraceGlobals(prog, trace);
274         PRVM_clientglobalfloat(trace_networkentity) = svent;
275 }
276
277 #define CL_HitNetworkBrushModels(move) !((move) == MOVE_WORLDONLY)
278 #define CL_HitNetworkPlayers(move)     !((move) == MOVE_WORLDONLY || (move) == MOVE_NOMONSTERS)
279
280 // #16 void(vector v1, vector v2, float movetype, entity ignore) traceline
281 static void VM_CL_traceline (prvm_prog_t *prog)
282 {
283         vec3_t  v1, v2;
284         trace_t trace;
285         int             move, svent;
286         prvm_edict_t    *ent;
287
288 //      R_TimeReport("pretraceline");
289
290         VM_SAFEPARMCOUNTRANGE(4, 4, VM_CL_traceline);
291
292         prog->xfunction->builtinsprofile += 30;
293
294         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), v1);
295         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), v2);
296         move = (int)PRVM_G_FLOAT(OFS_PARM2);
297         ent = PRVM_G_EDICT(OFS_PARM3);
298
299         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]))
300                 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));
301
302         trace = CL_TraceLine(v1, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true, false);
303
304         CL_VM_SetTraceGlobals(prog, &trace, svent);
305 //      R_TimeReport("traceline");
306 }
307
308 /*
309 =================
310 VM_CL_tracebox
311
312 Used for use tracing and shot targeting
313 Traces are blocked by bbox and exact bsp entityes, and also slide box entities
314 if the tryents flag is set.
315
316 tracebox (vector1, vector mins, vector maxs, vector2, tryents)
317 =================
318 */
319 // LordHavoc: added this for my own use, VERY useful, similar to traceline
320 static void VM_CL_tracebox (prvm_prog_t *prog)
321 {
322         vec3_t  v1, v2, m1, m2;
323         trace_t trace;
324         int             move, svent;
325         prvm_edict_t    *ent;
326
327 //      R_TimeReport("pretracebox");
328         VM_SAFEPARMCOUNTRANGE(6, 8, VM_CL_tracebox); // allow more parameters for future expansion
329
330         prog->xfunction->builtinsprofile += 30;
331
332         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), v1);
333         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), m1);
334         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), m2);
335         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), v2);
336         move = (int)PRVM_G_FLOAT(OFS_PARM4);
337         ent = PRVM_G_EDICT(OFS_PARM5);
338
339         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]))
340                 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));
341
342         trace = CL_TraceBox(v1, m1, m2, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
343
344         CL_VM_SetTraceGlobals(prog, &trace, svent);
345 //      R_TimeReport("tracebox");
346 }
347
348 static trace_t CL_Trace_Toss (prvm_prog_t *prog, prvm_edict_t *tossent, prvm_edict_t *ignore, int *svent)
349 {
350         int i;
351         float gravity;
352         vec3_t start, end, mins, maxs, move;
353         vec3_t original_origin;
354         vec3_t original_velocity;
355         vec3_t original_angles;
356         vec3_t original_avelocity;
357         trace_t trace;
358
359         VectorCopy(PRVM_clientedictvector(tossent, origin)   , original_origin   );
360         VectorCopy(PRVM_clientedictvector(tossent, velocity) , original_velocity );
361         VectorCopy(PRVM_clientedictvector(tossent, angles)   , original_angles   );
362         VectorCopy(PRVM_clientedictvector(tossent, avelocity), original_avelocity);
363
364         gravity = PRVM_clientedictfloat(tossent, gravity);
365         if (!gravity)
366                 gravity = 1.0f;
367         gravity *= cl.movevars_gravity * 0.05;
368
369         for (i = 0;i < 200;i++) // LordHavoc: sanity check; never trace more than 10 seconds
370         {
371                 PRVM_clientedictvector(tossent, velocity)[2] -= gravity;
372                 VectorMA (PRVM_clientedictvector(tossent, angles), 0.05, PRVM_clientedictvector(tossent, avelocity), PRVM_clientedictvector(tossent, angles));
373                 VectorScale (PRVM_clientedictvector(tossent, velocity), 0.05, move);
374                 VectorAdd (PRVM_clientedictvector(tossent, origin), move, end);
375                 VectorCopy(PRVM_clientedictvector(tossent, origin), start);
376                 VectorCopy(PRVM_clientedictvector(tossent, mins), mins);
377                 VectorCopy(PRVM_clientedictvector(tossent, maxs), maxs);
378                 trace = CL_TraceBox(start, mins, maxs, end, MOVE_NORMAL, tossent, CL_GenericHitSuperContentsMask(tossent), true, true, NULL, true);
379                 VectorCopy (trace.endpos, PRVM_clientedictvector(tossent, origin));
380
381                 if (trace.fraction < 1)
382                         break;
383         }
384
385         VectorCopy(original_origin   , PRVM_clientedictvector(tossent, origin)   );
386         VectorCopy(original_velocity , PRVM_clientedictvector(tossent, velocity) );
387         VectorCopy(original_angles   , PRVM_clientedictvector(tossent, angles)   );
388         VectorCopy(original_avelocity, PRVM_clientedictvector(tossent, avelocity));
389
390         return trace;
391 }
392
393 static void VM_CL_tracetoss (prvm_prog_t *prog)
394 {
395         trace_t trace;
396         prvm_edict_t    *ent;
397         prvm_edict_t    *ignore;
398         int svent = 0;
399
400         prog->xfunction->builtinsprofile += 600;
401
402         VM_SAFEPARMCOUNT(2, VM_CL_tracetoss);
403
404         ent = PRVM_G_EDICT(OFS_PARM0);
405         if (ent == prog->edicts)
406         {
407                 VM_Warning(prog, "tracetoss: can not use world entity\n");
408                 return;
409         }
410         ignore = PRVM_G_EDICT(OFS_PARM1);
411
412         trace = CL_Trace_Toss (prog, ent, ignore, &svent);
413
414         CL_VM_SetTraceGlobals(prog, &trace, svent);
415 }
416
417
418 // #20 void(string s) precache_model
419 static void VM_CL_precache_model (prvm_prog_t *prog)
420 {
421         const char      *name;
422         int                     i;
423         dp_model_t              *m;
424
425         VM_SAFEPARMCOUNT(1, VM_CL_precache_model);
426
427         name = PRVM_G_STRING(OFS_PARM0);
428         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
429         {
430                 if(!strcmp(cl.csqc_model_precache[i]->name, name))
431                 {
432                         PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
433                         return;
434                 }
435         }
436         PRVM_G_FLOAT(OFS_RETURN) = 0;
437         m = Mod_ForName(name, false, false, name[0] == '*' ? cl.model_name[1] : NULL);
438         if(m && m->loaded)
439         {
440                 for (i = 0;i < MAX_MODELS;i++)
441                 {
442                         if (!cl.csqc_model_precache[i])
443                         {
444                                 cl.csqc_model_precache[i] = (dp_model_t*)m;
445                                 PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
446                                 return;
447                         }
448                 }
449                 VM_Warning(prog, "VM_CL_precache_model: no free models\n");
450                 return;
451         }
452         VM_Warning(prog, "VM_CL_precache_model: model \"%s\" not found\n", name);
453 }
454
455 static int CSQC_EntitiesInBox (prvm_prog_t *prog, vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
456 {
457         prvm_edict_t    *ent;
458         int                             i, k;
459
460         ent = PRVM_NEXT_EDICT(prog->edicts);
461         for(k=0,i=1; i<prog->num_edicts ;i++, ent = PRVM_NEXT_EDICT(ent))
462         {
463                 if (ent->priv.required->free)
464                         continue;
465                 if(BoxesOverlap(mins, maxs, PRVM_clientedictvector(ent, absmin), PRVM_clientedictvector(ent, absmax)))
466                         list[k++] = ent;
467         }
468         return k;
469 }
470
471 // #22 entity(vector org, float rad) findradius
472 static void VM_CL_findradius (prvm_prog_t *prog)
473 {
474         prvm_edict_t    *ent, *chain;
475         vec_t                   radius, radius2;
476         vec3_t                  org, eorg, mins, maxs;
477         int                             i, numtouchedicts;
478         static prvm_edict_t     *touchedicts[MAX_EDICTS];
479         int             chainfield;
480
481         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_findradius);
482
483         if(prog->argc == 3)
484                 chainfield = PRVM_G_INT(OFS_PARM2);
485         else
486                 chainfield = prog->fieldoffsets.chain;
487         if(chainfield < 0)
488                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
489
490         chain = (prvm_edict_t *)prog->edicts;
491
492         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
493         radius = PRVM_G_FLOAT(OFS_PARM1);
494         radius2 = radius * radius;
495
496         mins[0] = org[0] - (radius + 1);
497         mins[1] = org[1] - (radius + 1);
498         mins[2] = org[2] - (radius + 1);
499         maxs[0] = org[0] + (radius + 1);
500         maxs[1] = org[1] + (radius + 1);
501         maxs[2] = org[2] + (radius + 1);
502         numtouchedicts = CSQC_EntitiesInBox(prog, mins, maxs, MAX_EDICTS, touchedicts);
503         if (numtouchedicts > MAX_EDICTS)
504         {
505                 // this never happens   //[515]: for what then ?
506                 Con_Printf("CSQC_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
507                 numtouchedicts = MAX_EDICTS;
508         }
509         for (i = 0;i < numtouchedicts;i++)
510         {
511                 ent = touchedicts[i];
512                 // Quake did not return non-solid entities but darkplaces does
513                 // (note: this is the reason you can't blow up fallen zombies)
514                 if (PRVM_clientedictfloat(ent, solid) == SOLID_NOT && !sv_gameplayfix_blowupfallenzombies.integer)
515                         continue;
516                 // LordHavoc: compare against bounding box rather than center so it
517                 // doesn't miss large objects, and use DotProduct instead of Length
518                 // for a major speedup
519                 VectorSubtract(org, PRVM_clientedictvector(ent, origin), eorg);
520                 if (sv_gameplayfix_findradiusdistancetobox.integer)
521                 {
522                         eorg[0] -= bound(PRVM_clientedictvector(ent, mins)[0], eorg[0], PRVM_clientedictvector(ent, maxs)[0]);
523                         eorg[1] -= bound(PRVM_clientedictvector(ent, mins)[1], eorg[1], PRVM_clientedictvector(ent, maxs)[1]);
524                         eorg[2] -= bound(PRVM_clientedictvector(ent, mins)[2], eorg[2], PRVM_clientedictvector(ent, maxs)[2]);
525                 }
526                 else
527                         VectorMAMAM(1, eorg, -0.5f, PRVM_clientedictvector(ent, mins), -0.5f, PRVM_clientedictvector(ent, maxs), eorg);
528                 if (DotProduct(eorg, eorg) < radius2)
529                 {
530                         PRVM_EDICTFIELDEDICT(ent, chainfield) = PRVM_EDICT_TO_PROG(chain);
531                         chain = ent;
532                 }
533         }
534
535         VM_RETURN_EDICT(chain);
536 }
537
538 // #34 float() droptofloor
539 static void VM_CL_droptofloor (prvm_prog_t *prog)
540 {
541         prvm_edict_t            *ent;
542         vec3_t                          start, end, mins, maxs;
543         trace_t                         trace;
544
545         VM_SAFEPARMCOUNTRANGE(0, 2, VM_CL_droptofloor); // allow 2 parameters because the id1 defs.qc had an incorrect prototype
546
547         // assume failure if it returns early
548         PRVM_G_FLOAT(OFS_RETURN) = 0;
549
550         ent = PRVM_PROG_TO_EDICT(PRVM_clientglobaledict(self));
551         if (ent == prog->edicts)
552         {
553                 VM_Warning(prog, "droptofloor: can not modify world entity\n");
554                 return;
555         }
556         if (ent->priv.server->free)
557         {
558                 VM_Warning(prog, "droptofloor: can not modify free entity\n");
559                 return;
560         }
561
562         VectorCopy(PRVM_clientedictvector(ent, origin), start);
563         VectorCopy(PRVM_clientedictvector(ent, mins), mins);
564         VectorCopy(PRVM_clientedictvector(ent, maxs), maxs);
565         VectorCopy(PRVM_clientedictvector(ent, origin), end);
566         end[2] -= 256;
567
568         trace = CL_TraceBox(start, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
569
570         if (trace.fraction != 1)
571         {
572                 VectorCopy (trace.endpos, PRVM_clientedictvector(ent, origin));
573                 PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) | FL_ONGROUND;
574                 PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
575                 PRVM_G_FLOAT(OFS_RETURN) = 1;
576                 // if support is destroyed, keep suspended (gross hack for floating items in various maps)
577 //              ent->priv.server->suspendedinairflag = true;
578         }
579 }
580
581 // #35 void(float style, string value) lightstyle
582 static void VM_CL_lightstyle (prvm_prog_t *prog)
583 {
584         int                     i;
585         const char      *c;
586
587         VM_SAFEPARMCOUNT(2, VM_CL_lightstyle);
588
589         i = (int)PRVM_G_FLOAT(OFS_PARM0);
590         c = PRVM_G_STRING(OFS_PARM1);
591         if (i >= cl.max_lightstyle)
592         {
593                 VM_Warning(prog, "VM_CL_lightstyle >= MAX_LIGHTSTYLES\n");
594                 return;
595         }
596         strlcpy (cl.lightstyle[i].map, c, sizeof (cl.lightstyle[i].map));
597         cl.lightstyle[i].map[MAX_STYLESTRING - 1] = 0;
598         cl.lightstyle[i].length = (int)strlen(cl.lightstyle[i].map);
599 }
600
601 // #40 float(entity e) checkbottom
602 static void VM_CL_checkbottom (prvm_prog_t *prog)
603 {
604         static int              cs_yes, cs_no;
605         prvm_edict_t    *ent;
606         vec3_t                  mins, maxs, start, stop;
607         trace_t                 trace;
608         int                             x, y;
609         float                   mid, bottom;
610
611         VM_SAFEPARMCOUNT(1, VM_CL_checkbottom);
612         ent = PRVM_G_EDICT(OFS_PARM0);
613         PRVM_G_FLOAT(OFS_RETURN) = 0;
614
615         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
616         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
617
618 // if all of the points under the corners are solid world, don't bother
619 // with the tougher checks
620 // the corners must be within 16 of the midpoint
621         start[2] = mins[2] - 1;
622         for     (x=0 ; x<=1 ; x++)
623                 for     (y=0 ; y<=1 ; y++)
624                 {
625                         start[0] = x ? maxs[0] : mins[0];
626                         start[1] = y ? maxs[1] : mins[1];
627                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
628                                 goto realcheck;
629                 }
630
631         cs_yes++;
632         PRVM_G_FLOAT(OFS_RETURN) = true;
633         return;         // we got out easy
634
635 realcheck:
636         cs_no++;
637 //
638 // check it for real...
639 //
640         start[2] = mins[2];
641
642 // the midpoint must be within 16 of the bottom
643         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
644         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
645         stop[2] = start[2] - 2*sv_stepheight.value;
646         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true, false);
647
648         if (trace.fraction == 1.0)
649                 return;
650
651         mid = bottom = trace.endpos[2];
652
653 // the corners must be within 16 of the midpoint
654         for     (x=0 ; x<=1 ; x++)
655                 for     (y=0 ; y<=1 ; y++)
656                 {
657                         start[0] = stop[0] = x ? maxs[0] : mins[0];
658                         start[1] = stop[1] = y ? maxs[1] : mins[1];
659
660                         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true, false);
661
662                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
663                                 bottom = trace.endpos[2];
664                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
665                                 return;
666                 }
667
668         cs_yes++;
669         PRVM_G_FLOAT(OFS_RETURN) = true;
670 }
671
672 // #41 float(vector v) pointcontents
673 static void VM_CL_pointcontents (prvm_prog_t *prog)
674 {
675         vec3_t point;
676         VM_SAFEPARMCOUNT(1, VM_CL_pointcontents);
677         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), point);
678         PRVM_G_FLOAT(OFS_RETURN) = Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CL_PointSuperContents(point));
679 }
680
681 // #48 void(vector o, vector d, float color, float count) particle
682 static void VM_CL_particle (prvm_prog_t *prog)
683 {
684         vec3_t org, dir;
685         int             count;
686         unsigned char   color;
687         VM_SAFEPARMCOUNT(4, VM_CL_particle);
688
689         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
690         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
691         color = (int)PRVM_G_FLOAT(OFS_PARM2);
692         count = (int)PRVM_G_FLOAT(OFS_PARM3);
693         CL_ParticleEffect(EFFECT_SVC_PARTICLE, count, org, org, dir, dir, NULL, color);
694 }
695
696 // #74 void(vector pos, string samp, float vol, float atten) ambientsound
697 static void VM_CL_ambientsound (prvm_prog_t *prog)
698 {
699         vec3_t f;
700         sfx_t   *s;
701         VM_SAFEPARMCOUNT(4, VM_CL_ambientsound);
702         s = S_FindName(PRVM_G_STRING(OFS_PARM0));
703         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f);
704         S_StaticSound (s, f, PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM3)*64);
705 }
706
707 // #92 vector(vector org[, float lpflag]) getlight (DP_QC_GETLIGHT)
708 static void VM_CL_getlight (prvm_prog_t *prog)
709 {
710         vec3_t ambientcolor, diffusecolor, diffusenormal;
711         vec3_t p;
712
713         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getlight);
714
715         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), p);
716         VectorClear(ambientcolor);
717         VectorClear(diffusecolor);
718         VectorClear(diffusenormal);
719         if (prog->argc >= 2)
720                 R_CompleteLightPoint(ambientcolor, diffusecolor, diffusenormal, p, PRVM_G_FLOAT(OFS_PARM1));
721         else if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
722                 cl.worldmodel->brush.LightPoint(cl.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
723         VectorMA(ambientcolor, 0.5, diffusecolor, PRVM_G_VECTOR(OFS_RETURN));
724         if (PRVM_clientglobalvector(getlight_ambient))
725                 VectorCopy(ambientcolor, PRVM_clientglobalvector(getlight_ambient));
726         if (PRVM_clientglobalvector(getlight_diffuse))
727                 VectorCopy(diffusecolor, PRVM_clientglobalvector(getlight_diffuse));
728         if (PRVM_clientglobalvector(getlight_dir))
729                 VectorCopy(diffusenormal, PRVM_clientglobalvector(getlight_dir));
730 }
731
732 //============================================================================
733 //[515]: SCENE MANAGER builtins
734
735 void CSQC_R_RecalcView (void)
736 {
737         extern matrix4x4_t viewmodelmatrix_nobob;
738         extern matrix4x4_t viewmodelmatrix_withbob;
739         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);
740         Matrix4x4_Copy(&viewmodelmatrix_nobob, &r_refdef.view.matrix);
741         Matrix4x4_ConcatScale(&viewmodelmatrix_nobob, cl_viewmodel_scale.value);
742         Matrix4x4_Concat(&viewmodelmatrix_withbob, &r_refdef.view.matrix, &cl.csqc_viewmodelmatrixfromengine);
743 }
744
745 //#300 void() clearscene (EXT_CSQC)
746 static void VM_CL_R_ClearScene (prvm_prog_t *prog)
747 {
748         VM_SAFEPARMCOUNT(0, VM_CL_R_ClearScene);
749         // clear renderable entity and light lists
750         r_refdef.scene.numentities = 0;
751         r_refdef.scene.numlights = 0;
752         // restore the view settings to the values that VM_CL_UpdateView received from the client code
753         r_refdef.view = csqc_original_r_refdef_view;
754         VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
755         VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
756         cl.csqc_vidvars.drawworld = r_drawworld.integer != 0;
757         cl.csqc_vidvars.drawenginesbar = false;
758         cl.csqc_vidvars.drawcrosshair = false;
759         CSQC_R_RecalcView();
760 }
761
762 //#301 void(float mask) addentities (EXT_CSQC)
763 static void VM_CL_R_AddEntities (prvm_prog_t *prog)
764 {
765         double t = Sys_DirtyTime();
766         int                     i, drawmask;
767         prvm_edict_t *ed;
768         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntities);
769         drawmask = (int)PRVM_G_FLOAT(OFS_PARM0);
770         CSQC_RelinkAllEntities(drawmask);
771         CL_RelinkLightFlashes();
772
773         PRVM_clientglobalfloat(time) = cl.time;
774         for(i=1;i<prog->num_edicts;i++)
775         {
776                 // so we can easily check if CSQC entity #edictnum is currently drawn
777                 cl.csqcrenderentities[i].entitynumber = 0;
778                 ed = &prog->edicts[i];
779                 if(ed->priv.required->free)
780                         continue;
781                 CSQC_Think(ed);
782                 if(ed->priv.required->free)
783                         continue;
784                 // note that for RF_USEAXIS entities, Predraw sets v_forward/v_right/v_up globals that are read by CSQC_AddRenderEdict
785                 CSQC_Predraw(ed);
786                 if(ed->priv.required->free)
787                         continue;
788                 if(!((int)PRVM_clientedictfloat(ed, drawmask) & drawmask))
789                         continue;
790                 CSQC_AddRenderEdict(ed, i);
791         }
792
793         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
794         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
795         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
796 }
797
798 //#302 void(entity ent) addentity (EXT_CSQC)
799 static void VM_CL_R_AddEntity (prvm_prog_t *prog)
800 {
801         double t = Sys_DirtyTime();
802         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntity);
803         CSQC_AddRenderEdict(PRVM_G_EDICT(OFS_PARM0), 0);
804         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
805         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
806 }
807
808 //#303 float(float property, ...) setproperty (EXT_CSQC)
809 //#303 float(float property) getproperty
810 //#303 vector(float property) getpropertyvec
811 //#309 float(float property) getproperty
812 //#309 vector(float property) getpropertyvec
813 // VorteX: make this function be able to return previously set property if new value is not given
814 static void VM_CL_R_SetView (prvm_prog_t *prog)
815 {
816         int             c;
817         prvm_vec_t      *f;
818         float   k;
819
820         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_R_SetView);
821
822         c = (int)PRVM_G_FLOAT(OFS_PARM0);
823
824         // return value?
825         if (prog->argc < 2)
826         {
827                 switch(c)
828                 {
829                 case VF_MIN:
830                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.x, r_refdef.view.y, 0);
831                         break;
832                 case VF_MIN_X:
833                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.x;
834                         break;
835                 case VF_MIN_Y:
836                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.y;
837                         break;
838                 case VF_SIZE:
839                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.width, r_refdef.view.height, 0);
840                         break;
841                 case VF_SIZE_X:
842                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.width;
843                         break;
844                 case VF_SIZE_Y:
845                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.height;
846                         break;
847                 case VF_VIEWPORT:
848                         VM_Warning(prog, "VM_CL_R_GetView : VF_VIEWPORT can't be retrieved, use VF_MIN/VF_SIZE instead\n");
849                         break;
850                 case VF_FOV:
851                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.ortho_x, r_refdef.view.ortho_y, 0);
852                         break;
853                 case VF_FOVX:
854                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_x;
855                         break;
856                 case VF_FOVY:
857                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_y;
858                         break;
859                 case VF_ORIGIN:
860                         VectorCopy(cl.csqc_vieworigin, PRVM_G_VECTOR(OFS_RETURN));
861                         break;
862                 case VF_ORIGIN_X:
863                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[0];
864                         break;
865                 case VF_ORIGIN_Y:
866                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[1];
867                         break;
868                 case VF_ORIGIN_Z:
869                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[2];
870                         break;
871                 case VF_ANGLES:
872                         VectorCopy(cl.csqc_viewangles, PRVM_G_VECTOR(OFS_RETURN));
873                         break;
874                 case VF_ANGLES_X:
875                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[0];
876                         break;
877                 case VF_ANGLES_Y:
878                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[1];
879                         break;
880                 case VF_ANGLES_Z:
881                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[2];
882                         break;
883                 case VF_DRAWWORLD:
884                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawworld;
885                         break;
886                 case VF_DRAWENGINESBAR:
887                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawenginesbar;
888                         break;
889                 case VF_DRAWCROSSHAIR:
890                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawcrosshair;
891                         break;
892                 case VF_CL_VIEWANGLES:
893                         VectorCopy(cl.viewangles, PRVM_G_VECTOR(OFS_RETURN));;
894                         break;
895                 case VF_CL_VIEWANGLES_X:
896                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[0];
897                         break;
898                 case VF_CL_VIEWANGLES_Y:
899                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[1];
900                         break;
901                 case VF_CL_VIEWANGLES_Z:
902                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[2];
903                         break;
904                 case VF_PERSPECTIVE:
905                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.useperspective;
906                         break;
907                 case VF_CLEARSCREEN:
908                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.isoverlay;
909                         break;
910                 case VF_MAINVIEW:
911                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
912                         break;
913                 case VF_FOG_DENSITY:
914                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_density;
915                         break;
916                 case VF_FOG_COLOR:
917                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
918                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
919                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
920                         break;
921                 case VF_FOG_COLOR_R:
922                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
923                         break;
924                 case VF_FOG_COLOR_G:
925                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
926                         break;
927                 case VF_FOG_COLOR_B:
928                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
929                         break;
930                 case VF_FOG_ALPHA:
931                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_alpha;
932                         break;
933                 case VF_FOG_START:
934                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_start;
935                         break;
936                 case VF_FOG_END:
937                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_end;
938                         break;
939                 case VF_FOG_HEIGHT:
940                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_height;
941                         break;
942                 case VF_FOG_FADEDEPTH:
943                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_fadedepth;
944                         break;
945                 case VF_MINFPS_QUALITY:
946                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.quality;
947                         break;
948                 default:
949                         PRVM_G_FLOAT(OFS_RETURN) = 0;
950                         VM_Warning(prog, "VM_CL_R_GetView : unknown parm %i\n", c);
951                         return;
952                 }
953                 return;
954         }
955
956         f = PRVM_G_VECTOR(OFS_PARM1);
957         k = PRVM_G_FLOAT(OFS_PARM1);
958         switch(c)
959         {
960         case VF_MIN:
961                 r_refdef.view.x = (int)(f[0]);
962                 r_refdef.view.y = (int)(f[1]);
963                 DrawQ_RecalcView();
964                 break;
965         case VF_MIN_X:
966                 r_refdef.view.x = (int)(k);
967                 DrawQ_RecalcView();
968                 break;
969         case VF_MIN_Y:
970                 r_refdef.view.y = (int)(k);
971                 DrawQ_RecalcView();
972                 break;
973         case VF_SIZE:
974                 r_refdef.view.width = (int)(f[0]);
975                 r_refdef.view.height = (int)(f[1]);
976                 DrawQ_RecalcView();
977                 break;
978         case VF_SIZE_X:
979                 r_refdef.view.width = (int)(k);
980                 DrawQ_RecalcView();
981                 break;
982         case VF_SIZE_Y:
983                 r_refdef.view.height = (int)(k);
984                 DrawQ_RecalcView();
985                 break;
986         case VF_VIEWPORT:
987                 r_refdef.view.x = (int)(f[0]);
988                 r_refdef.view.y = (int)(f[1]);
989                 f = PRVM_G_VECTOR(OFS_PARM2);
990                 r_refdef.view.width = (int)(f[0]);
991                 r_refdef.view.height = (int)(f[1]);
992                 DrawQ_RecalcView();
993                 break;
994         case VF_FOV:
995                 r_refdef.view.frustum_x = tan(f[0] * M_PI / 360.0);r_refdef.view.ortho_x = f[0];
996                 r_refdef.view.frustum_y = tan(f[1] * M_PI / 360.0);r_refdef.view.ortho_y = f[1];
997                 break;
998         case VF_FOVX:
999                 r_refdef.view.frustum_x = tan(k * M_PI / 360.0);r_refdef.view.ortho_x = k;
1000                 break;
1001         case VF_FOVY:
1002                 r_refdef.view.frustum_y = tan(k * M_PI / 360.0);r_refdef.view.ortho_y = k;
1003                 break;
1004         case VF_ORIGIN:
1005                 VectorCopy(f, cl.csqc_vieworigin);
1006                 CSQC_R_RecalcView();
1007                 break;
1008         case VF_ORIGIN_X:
1009                 cl.csqc_vieworigin[0] = k;
1010                 CSQC_R_RecalcView();
1011                 break;
1012         case VF_ORIGIN_Y:
1013                 cl.csqc_vieworigin[1] = k;
1014                 CSQC_R_RecalcView();
1015                 break;
1016         case VF_ORIGIN_Z:
1017                 cl.csqc_vieworigin[2] = k;
1018                 CSQC_R_RecalcView();
1019                 break;
1020         case VF_ANGLES:
1021                 VectorCopy(f, cl.csqc_viewangles);
1022                 CSQC_R_RecalcView();
1023                 break;
1024         case VF_ANGLES_X:
1025                 cl.csqc_viewangles[0] = k;
1026                 CSQC_R_RecalcView();
1027                 break;
1028         case VF_ANGLES_Y:
1029                 cl.csqc_viewangles[1] = k;
1030                 CSQC_R_RecalcView();
1031                 break;
1032         case VF_ANGLES_Z:
1033                 cl.csqc_viewangles[2] = k;
1034                 CSQC_R_RecalcView();
1035                 break;
1036         case VF_DRAWWORLD:
1037                 cl.csqc_vidvars.drawworld = ((k != 0) && r_drawworld.integer);
1038                 break;
1039         case VF_DRAWENGINESBAR:
1040                 cl.csqc_vidvars.drawenginesbar = k != 0;
1041                 break;
1042         case VF_DRAWCROSSHAIR:
1043                 cl.csqc_vidvars.drawcrosshair = k != 0;
1044                 break;
1045         case VF_CL_VIEWANGLES:
1046                 VectorCopy(f, cl.viewangles);
1047                 break;
1048         case VF_CL_VIEWANGLES_X:
1049                 cl.viewangles[0] = k;
1050                 break;
1051         case VF_CL_VIEWANGLES_Y:
1052                 cl.viewangles[1] = k;
1053                 break;
1054         case VF_CL_VIEWANGLES_Z:
1055                 cl.viewangles[2] = k;
1056                 break;
1057         case VF_PERSPECTIVE:
1058                 r_refdef.view.useperspective = k != 0;
1059                 break;
1060         case VF_CLEARSCREEN:
1061                 r_refdef.view.isoverlay = !k;
1062                 break;
1063         case VF_MAINVIEW:
1064                 PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
1065                 break;
1066         case VF_FOG_DENSITY:
1067                 r_refdef.fog_density = k;
1068                 break;
1069         case VF_FOG_COLOR:
1070                 r_refdef.fog_red = f[0];
1071                 r_refdef.fog_green = f[1];
1072                 r_refdef.fog_blue = f[2];
1073                 break;
1074         case VF_FOG_COLOR_R:
1075                 r_refdef.fog_red = k;
1076                 break;
1077         case VF_FOG_COLOR_G:
1078                 r_refdef.fog_green = k;
1079                 break;
1080         case VF_FOG_COLOR_B:
1081                 r_refdef.fog_blue = k;
1082                 break;
1083         case VF_FOG_ALPHA:
1084                 r_refdef.fog_alpha = k;
1085                 break;
1086         case VF_FOG_START:
1087                 r_refdef.fog_start = k;
1088                 break;
1089         case VF_FOG_END:
1090                 r_refdef.fog_end = k;
1091                 break;
1092         case VF_FOG_HEIGHT:
1093                 r_refdef.fog_height = k;
1094                 break;
1095         case VF_FOG_FADEDEPTH:
1096                 r_refdef.fog_fadedepth = k;
1097                 break;
1098         case VF_MINFPS_QUALITY:
1099                 r_refdef.view.quality = k;
1100                 break;
1101         default:
1102                 PRVM_G_FLOAT(OFS_RETURN) = 0;
1103                 VM_Warning(prog, "VM_CL_R_SetView : unknown parm %i\n", c);
1104                 return;
1105         }
1106         PRVM_G_FLOAT(OFS_RETURN) = 1;
1107 }
1108
1109 //#305 void(vector org, float radius, vector lightcolours[, float style, string cubemapname, float pflags]) adddynamiclight (EXT_CSQC)
1110 static void VM_CL_R_AddDynamicLight (prvm_prog_t *prog)
1111 {
1112         double t = Sys_DirtyTime();
1113         vec3_t org;
1114         float radius = 300;
1115         vec3_t col;
1116         int style = -1;
1117         const char *cubemapname = NULL;
1118         int pflags = PFLAGS_CORONA | PFLAGS_FULLDYNAMIC;
1119         float coronaintensity = 1;
1120         float coronasizescale = 0.25;
1121         qboolean castshadow = true;
1122         float ambientscale = 0;
1123         float diffusescale = 1;
1124         float specularscale = 1;
1125         matrix4x4_t matrix;
1126         vec3_t forward, left, up;
1127         VM_SAFEPARMCOUNTRANGE(3, 8, VM_CL_R_AddDynamicLight);
1128
1129         // if we've run out of dlights, just return
1130         if (r_refdef.scene.numlights >= MAX_DLIGHTS)
1131                 return;
1132
1133         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
1134         radius = PRVM_G_FLOAT(OFS_PARM1);
1135         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), col);
1136         if (prog->argc >= 4)
1137         {
1138                 style = (int)PRVM_G_FLOAT(OFS_PARM3);
1139                 if (style >= MAX_LIGHTSTYLES)
1140                 {
1141                         Con_DPrintf("VM_CL_R_AddDynamicLight: out of bounds lightstyle index %i\n", style);
1142                         style = -1;
1143                 }
1144         }
1145         if (prog->argc >= 5)
1146                 cubemapname = PRVM_G_STRING(OFS_PARM4);
1147         if (prog->argc >= 6)
1148                 pflags = (int)PRVM_G_FLOAT(OFS_PARM5);
1149         coronaintensity = (pflags & PFLAGS_CORONA) != 0;
1150         castshadow = (pflags & PFLAGS_NOSHADOW) == 0;
1151
1152         VectorScale(PRVM_clientglobalvector(v_forward), radius, forward);
1153         VectorScale(PRVM_clientglobalvector(v_right), -radius, left);
1154         VectorScale(PRVM_clientglobalvector(v_up), radius, up);
1155         Matrix4x4_FromVectors(&matrix, forward, left, up, org);
1156
1157         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);
1158         r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1159         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
1160         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
1161 }
1162
1163 //============================================================================
1164
1165 //#310 vector (vector v) cs_unproject (EXT_CSQC)
1166 static void VM_CL_unproject (prvm_prog_t *prog)
1167 {
1168         vec3_t f;
1169         vec3_t temp;
1170         vec3_t result;
1171
1172         VM_SAFEPARMCOUNT(1, VM_CL_unproject);
1173         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), f);
1174         VectorSet(temp,
1175                 f[2],
1176                 (-1.0 + 2.0 * (f[0] / vid_conwidth.integer)) * f[2] * -r_refdef.view.frustum_x,
1177                 (-1.0 + 2.0 * (f[1] / vid_conheight.integer)) * f[2] * -r_refdef.view.frustum_y);
1178         if(v_flipped.integer)
1179                 temp[1] = -temp[1];
1180         Matrix4x4_Transform(&r_refdef.view.matrix, temp, result);
1181         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
1182 }
1183
1184 //#311 vector (vector v) cs_project (EXT_CSQC)
1185 static void VM_CL_project (prvm_prog_t *prog)
1186 {
1187         vec3_t f;
1188         vec3_t v;
1189         matrix4x4_t m;
1190
1191         VM_SAFEPARMCOUNT(1, VM_CL_project);
1192         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), f);
1193         Matrix4x4_Invert_Simple(&m, &r_refdef.view.matrix);
1194         Matrix4x4_Transform(&m, f, v);
1195         if(v_flipped.integer)
1196                 v[1] = -v[1];
1197         VectorSet(PRVM_G_VECTOR(OFS_RETURN),
1198                 vid_conwidth.integer * (0.5*(1.0+v[1]/v[0]/-r_refdef.view.frustum_x)),
1199                 vid_conheight.integer * (0.5*(1.0+v[2]/v[0]/-r_refdef.view.frustum_y)),
1200                 v[0]);
1201         // explanation:
1202         // after transforming, relative position to viewport (0..1) = 0.5 * (1 + v[2]/v[0]/-frustum_{x \or y})
1203         // as 2D drawing honors the viewport too, to get the same pixel, we simply multiply this by conwidth/height
1204 }
1205
1206 //#330 float(float stnum) getstatf (EXT_CSQC)
1207 static void VM_CL_getstatf (prvm_prog_t *prog)
1208 {
1209         int i;
1210         union
1211         {
1212                 float f;
1213                 int l;
1214         }dat;
1215         VM_SAFEPARMCOUNT(1, VM_CL_getstatf);
1216         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1217         if(i < 0 || i >= MAX_CL_STATS)
1218         {
1219                 VM_Warning(prog, "VM_CL_getstatf: index>=MAX_CL_STATS or index<0\n");
1220                 return;
1221         }
1222         dat.l = cl.stats[i];
1223         PRVM_G_FLOAT(OFS_RETURN) =  dat.f;
1224 }
1225
1226 //#331 float(float stnum) getstati (EXT_CSQC)
1227 static void VM_CL_getstati (prvm_prog_t *prog)
1228 {
1229         int i, index;
1230         int firstbit, bitcount;
1231
1232         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getstati);
1233
1234         index = (int)PRVM_G_FLOAT(OFS_PARM0);
1235         if (prog->argc > 1)
1236         {
1237                 firstbit = (int)PRVM_G_FLOAT(OFS_PARM1);
1238                 if (prog->argc > 2)
1239                         bitcount = (int)PRVM_G_FLOAT(OFS_PARM2);
1240                 else
1241                         bitcount = 1;
1242         }
1243         else
1244         {
1245                 firstbit = 0;
1246                 bitcount = 32;
1247         }
1248
1249         if(index < 0 || index >= MAX_CL_STATS)
1250         {
1251                 VM_Warning(prog, "VM_CL_getstati: index>=MAX_CL_STATS or index<0\n");
1252                 return;
1253         }
1254         i = cl.stats[index];
1255         if (bitcount != 32)     //32 causes the mask to overflow, so there's nothing to subtract from.
1256                 i = (((unsigned int)i)&(((1<<bitcount)-1)<<firstbit))>>firstbit;
1257         PRVM_G_FLOAT(OFS_RETURN) = i;
1258 }
1259
1260 //#332 string(float firststnum) getstats (EXT_CSQC)
1261 static void VM_CL_getstats (prvm_prog_t *prog)
1262 {
1263         int i;
1264         char t[17];
1265         VM_SAFEPARMCOUNT(1, VM_CL_getstats);
1266         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1267         if(i < 0 || i > MAX_CL_STATS-4)
1268         {
1269                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1270                 VM_Warning(prog, "VM_CL_getstats: index>MAX_CL_STATS-4 or index<0\n");
1271                 return;
1272         }
1273         strlcpy(t, (char*)&cl.stats[i], sizeof(t));
1274         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1275 }
1276
1277 //#333 void(entity e, float mdlindex) setmodelindex (EXT_CSQC)
1278 static void VM_CL_setmodelindex (prvm_prog_t *prog)
1279 {
1280         int                             i;
1281         prvm_edict_t    *t;
1282         struct model_s  *model;
1283
1284         VM_SAFEPARMCOUNT(2, VM_CL_setmodelindex);
1285
1286         t = PRVM_G_EDICT(OFS_PARM0);
1287
1288         i = (int)PRVM_G_FLOAT(OFS_PARM1);
1289
1290         PRVM_clientedictstring(t, model) = 0;
1291         PRVM_clientedictfloat(t, modelindex) = 0;
1292
1293         if (!i)
1294                 return;
1295
1296         model = CL_GetModelByIndex(i);
1297         if (!model)
1298         {
1299                 VM_Warning(prog, "VM_CL_setmodelindex: null model\n");
1300                 return;
1301         }
1302         PRVM_clientedictstring(t, model) = PRVM_SetEngineString(prog, model->name);
1303         PRVM_clientedictfloat(t, modelindex) = i;
1304
1305         // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
1306         if (model)
1307         {
1308                 SetMinMaxSize (prog, t, model->normalmins, model->normalmaxs);
1309         }
1310         else
1311                 SetMinMaxSize (prog, t, vec3_origin, vec3_origin);
1312 }
1313
1314 //#334 string(float mdlindex) modelnameforindex (EXT_CSQC)
1315 static void VM_CL_modelnameforindex (prvm_prog_t *prog)
1316 {
1317         dp_model_t *model;
1318
1319         VM_SAFEPARMCOUNT(1, VM_CL_modelnameforindex);
1320
1321         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1322         model = CL_GetModelByIndex((int)PRVM_G_FLOAT(OFS_PARM0));
1323         PRVM_G_INT(OFS_RETURN) = model ? PRVM_SetEngineString(prog, model->name) : 0;
1324 }
1325
1326 //#335 float(string effectname) particleeffectnum (EXT_CSQC)
1327 static void VM_CL_particleeffectnum (prvm_prog_t *prog)
1328 {
1329         int                     i;
1330         VM_SAFEPARMCOUNT(1, VM_CL_particleeffectnum);
1331         i = CL_ParticleEffectIndexForName(PRVM_G_STRING(OFS_PARM0));
1332         if (i == 0)
1333                 i = -1;
1334         PRVM_G_FLOAT(OFS_RETURN) = i;
1335 }
1336
1337 // #336 void(entity ent, float effectnum, vector start, vector end[, float color]) trailparticles (EXT_CSQC)
1338 static void VM_CL_trailparticles (prvm_prog_t *prog)
1339 {
1340         int                             i;
1341         vec3_t                  start, end, velocity;
1342         prvm_edict_t    *t;
1343         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_trailparticles);
1344
1345         t = PRVM_G_EDICT(OFS_PARM0);
1346         i               = (int)PRVM_G_FLOAT(OFS_PARM1);
1347         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), start);
1348         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), end);
1349         VectorCopy(PRVM_clientedictvector(t, velocity), velocity);
1350
1351         if (i < 0)
1352                 return;
1353         CL_ParticleEffect(i, 1, start, end, velocity, velocity, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1354 }
1355
1356 //#337 void(float effectnum, vector origin, vector dir, float count[, float color]) pointparticles (EXT_CSQC)
1357 static void VM_CL_pointparticles (prvm_prog_t *prog)
1358 {
1359         int                     i;
1360         float n;
1361         vec3_t f, v;
1362         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_pointparticles);
1363         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1364         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f);
1365         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), v);
1366         n = PRVM_G_FLOAT(OFS_PARM3);
1367         if (i < 0)
1368                 return;
1369         CL_ParticleEffect(i, n, f, f, v, v, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1370 }
1371
1372 //#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)
1373 static void VM_CL_boxparticles (prvm_prog_t *prog)
1374 {
1375         int effectnum;
1376         // prvm_edict_t *own;
1377         vec3_t origin_from, origin_to, dir_from, dir_to;
1378         float count;
1379         int flags;
1380         float tintmins[4], tintmaxs[4];
1381         VM_SAFEPARMCOUNTRANGE(7, 8, VM_CL_boxparticles);
1382
1383         effectnum = (int)PRVM_G_FLOAT(OFS_PARM0);
1384         // own = PRVM_G_EDICT(OFS_PARM1); // TODO find use for this
1385         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), origin_from);
1386         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), origin_to  );
1387         VectorCopy(PRVM_G_VECTOR(OFS_PARM4), dir_from   );
1388         VectorCopy(PRVM_G_VECTOR(OFS_PARM5), dir_to     );
1389         count = PRVM_G_FLOAT(OFS_PARM6);
1390         if(prog->argc >= 8)
1391                 flags = PRVM_G_FLOAT(OFS_PARM7);
1392         else
1393                 flags = 0;
1394         Vector4Set(tintmins, 1, 1, 1, 1);
1395         Vector4Set(tintmaxs, 1, 1, 1, 1);
1396         if(flags & 1) // read alpha
1397         {
1398                 tintmins[3] = PRVM_clientglobalfloat(particles_alphamin);
1399                 tintmaxs[3] = PRVM_clientglobalfloat(particles_alphamax);
1400         }
1401         if(flags & 2) // read color
1402         {
1403                 VectorCopy(PRVM_clientglobalvector(particles_colormin), tintmins);
1404                 VectorCopy(PRVM_clientglobalvector(particles_colormax), tintmaxs);
1405         }
1406         if (effectnum < 0)
1407                 return;
1408         CL_ParticleTrail(effectnum, count, origin_from, origin_to, dir_from, dir_to, NULL, 0, true, true, tintmins, tintmaxs);
1409 }
1410
1411 //#531 void(float pause) setpause
1412 static void VM_CL_setpause(prvm_prog_t *prog)
1413 {
1414         VM_SAFEPARMCOUNT(1, VM_CL_setpause);
1415         if ((int)PRVM_G_FLOAT(OFS_PARM0) != 0)
1416                 cl.csqc_paused = true;
1417         else
1418                 cl.csqc_paused = false;
1419 }
1420
1421 //#343 void(float usecursor) setcursormode (DP_CSQC)
1422 static void VM_CL_setcursormode (prvm_prog_t *prog)
1423 {
1424         VM_SAFEPARMCOUNT(1, VM_CL_setcursormode);
1425         cl.csqc_wantsmousemove = PRVM_G_FLOAT(OFS_PARM0) != 0;
1426         cl_ignoremousemoves = 2;
1427 }
1428
1429 //#344 vector() getmousepos (DP_CSQC)
1430 static void VM_CL_getmousepos(prvm_prog_t *prog)
1431 {
1432         VM_SAFEPARMCOUNT(0,VM_CL_getmousepos);
1433
1434         if (key_consoleactive || key_dest != key_game)
1435                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), 0, 0, 0);
1436         else if (cl.csqc_wantsmousemove)
1437                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_windowmouse_x * vid_conwidth.integer / vid.width, in_windowmouse_y * vid_conheight.integer / vid.height, 0);
1438         else
1439                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_mouse_x * vid_conwidth.integer / vid.width, in_mouse_y * vid_conheight.integer / vid.height, 0);
1440 }
1441
1442 //#345 float(float framenum) getinputstate (EXT_CSQC)
1443 static void VM_CL_getinputstate (prvm_prog_t *prog)
1444 {
1445         int i, frame;
1446         VM_SAFEPARMCOUNT(1, VM_CL_getinputstate);
1447         frame = (int)PRVM_G_FLOAT(OFS_PARM0);
1448         PRVM_G_FLOAT(OFS_RETURN) = false;
1449         for (i = 0;i < CL_MAX_USERCMDS;i++)
1450         {
1451                 if (cl.movecmd[i].sequence == frame)
1452                 {
1453                         VectorCopy(cl.movecmd[i].viewangles, PRVM_clientglobalvector(input_angles));
1454                         PRVM_clientglobalfloat(input_buttons) = cl.movecmd[i].buttons; // FIXME: this should not be directly exposed to csqc (translation layer needed?)
1455                         PRVM_clientglobalvector(input_movevalues)[0] = cl.movecmd[i].forwardmove;
1456                         PRVM_clientglobalvector(input_movevalues)[1] = cl.movecmd[i].sidemove;
1457                         PRVM_clientglobalvector(input_movevalues)[2] = cl.movecmd[i].upmove;
1458                         PRVM_clientglobalfloat(input_timelength) = cl.movecmd[i].frametime;
1459                         // this probably shouldn't be here
1460                         if(cl.movecmd[i].crouch)
1461                         {
1462                                 VectorCopy(cl.playercrouchmins, PRVM_clientglobalvector(pmove_mins));
1463                                 VectorCopy(cl.playercrouchmaxs, PRVM_clientglobalvector(pmove_maxs));
1464                         }
1465                         else
1466                         {
1467                                 VectorCopy(cl.playerstandmins, PRVM_clientglobalvector(pmove_mins));
1468                                 VectorCopy(cl.playerstandmaxs, PRVM_clientglobalvector(pmove_maxs));
1469                         }
1470                         PRVM_G_FLOAT(OFS_RETURN) = true;
1471                 }
1472         }
1473 }
1474
1475 //#346 void(float sens) setsensitivityscaler (EXT_CSQC)
1476 static void VM_CL_setsensitivityscale (prvm_prog_t *prog)
1477 {
1478         VM_SAFEPARMCOUNT(1, VM_CL_setsensitivityscale);
1479         cl.sensitivityscale = PRVM_G_FLOAT(OFS_PARM0);
1480 }
1481
1482 //#347 void() runstandardplayerphysics (EXT_CSQC)
1483 #define PMF_JUMP_HELD 1 // matches FTEQW
1484 #define PMF_LADDER 2 // not used by DP, FTEQW sets this in runplayerphysics but does not read it
1485 #define PMF_DUCKED 4 // FIXME FTEQW doesn't have this for Q1 like movement because Q1 cannot crouch
1486 #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
1487 static void VM_CL_runplayerphysics (prvm_prog_t *prog)
1488 {
1489         cl_clientmovement_state_t s;
1490         prvm_edict_t *ent;
1491
1492         memset(&s, 0, sizeof(s));
1493
1494         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_runplayerphysics);
1495
1496         ent = (prog->argc == 1 ? PRVM_G_EDICT(OFS_PARM0) : prog->edicts);
1497         if(ent == prog->edicts)
1498         {
1499                 // deprecated use
1500                 s.self = NULL;
1501                 VectorCopy(PRVM_clientglobalvector(pmove_org), s.origin);
1502                 VectorCopy(PRVM_clientglobalvector(pmove_vel), s.velocity);
1503                 VectorCopy(PRVM_clientglobalvector(pmove_mins), s.mins);
1504                 VectorCopy(PRVM_clientglobalvector(pmove_maxs), s.maxs);
1505                 s.crouched = 0;
1506                 s.waterjumptime = PRVM_clientglobalfloat(pmove_waterjumptime);
1507                 s.cmd.canjump = (int)PRVM_clientglobalfloat(pmove_jump_held) == 0;
1508         }
1509         else
1510         {
1511                 // new use
1512                 s.self = ent;
1513                 VectorCopy(PRVM_clientedictvector(ent, origin), s.origin);
1514                 VectorCopy(PRVM_clientedictvector(ent, velocity), s.velocity);
1515                 VectorCopy(PRVM_clientedictvector(ent, mins), s.mins);
1516                 VectorCopy(PRVM_clientedictvector(ent, maxs), s.maxs);
1517                 s.crouched = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_DUCKED) != 0;
1518                 s.waterjumptime = 0; // FIXME where do we get this from? FTEQW lacks support for this too
1519                 s.cmd.canjump = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_JUMP_HELD) == 0;
1520         }
1521
1522         VectorCopy(PRVM_clientglobalvector(input_angles), s.cmd.viewangles);
1523         s.cmd.forwardmove = PRVM_clientglobalvector(input_movevalues)[0];
1524         s.cmd.sidemove = PRVM_clientglobalvector(input_movevalues)[1];
1525         s.cmd.upmove = PRVM_clientglobalvector(input_movevalues)[2];
1526         s.cmd.buttons = PRVM_clientglobalfloat(input_buttons);
1527         s.cmd.frametime = PRVM_clientglobalfloat(input_timelength);
1528         s.cmd.jump = (s.cmd.buttons & 2) != 0;
1529         s.cmd.crouch = (s.cmd.buttons & 16) != 0;
1530
1531         CL_ClientMovement_PlayerMove_Frame(&s);
1532
1533         if(ent == prog->edicts)
1534         {
1535                 // deprecated use
1536                 VectorCopy(s.origin, PRVM_clientglobalvector(pmove_org));
1537                 VectorCopy(s.velocity, PRVM_clientglobalvector(pmove_vel));
1538                 PRVM_clientglobalfloat(pmove_jump_held) = !s.cmd.canjump;
1539                 PRVM_clientglobalfloat(pmove_waterjumptime) = s.waterjumptime;
1540         }
1541         else
1542         {
1543                 // new use
1544                 VectorCopy(s.origin, PRVM_clientedictvector(ent, origin));
1545                 VectorCopy(s.velocity, PRVM_clientedictvector(ent, velocity));
1546                 PRVM_clientedictfloat(ent, pmove_flags) =
1547                         (s.crouched ? PMF_DUCKED : 0) |
1548                         (s.cmd.canjump ? 0 : PMF_JUMP_HELD) |
1549                         (s.onground ? PMF_ONGROUND : 0);
1550         }
1551 }
1552
1553 //#348 string(float playernum, string keyname) getplayerkeyvalue (EXT_CSQC)
1554 static void VM_CL_getplayerkey (prvm_prog_t *prog)
1555 {
1556         int                     i;
1557         char            t[128];
1558         const char      *c;
1559
1560         VM_SAFEPARMCOUNT(2, VM_CL_getplayerkey);
1561
1562         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1563         c = PRVM_G_STRING(OFS_PARM1);
1564         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1565         Sbar_SortFrags();
1566
1567         if (i < 0)
1568                 i = Sbar_GetSortedPlayerIndex(-1-i);
1569         if(i < 0 || i >= cl.maxclients)
1570                 return;
1571
1572         t[0] = 0;
1573
1574         if(!strcasecmp(c, "name"))
1575                 strlcpy(t, cl.scores[i].name, sizeof(t));
1576         else
1577                 if(!strcasecmp(c, "frags"))
1578                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].frags);
1579         else
1580                 if(!strcasecmp(c, "ping"))
1581                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_ping);
1582         else
1583                 if(!strcasecmp(c, "pl"))
1584                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_packetloss);
1585         else
1586                 if(!strcasecmp(c, "movementloss"))
1587                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_movementloss);
1588         else
1589                 if(!strcasecmp(c, "entertime"))
1590                         dpsnprintf(t, sizeof(t), "%f", cl.scores[i].qw_entertime);
1591         else
1592                 if(!strcasecmp(c, "colors"))
1593                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors);
1594         else
1595                 if(!strcasecmp(c, "topcolor"))
1596                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors & 0xf0);
1597         else
1598                 if(!strcasecmp(c, "bottomcolor"))
1599                         dpsnprintf(t, sizeof(t), "%i", (cl.scores[i].colors &15)<<4);
1600         else
1601                 if(!strcasecmp(c, "viewentity"))
1602                         dpsnprintf(t, sizeof(t), "%i", i+1);
1603         else
1604                 if(gamemode == GAME_XONOTIC && !strcasecmp(c, "TEMPHACK_origin"))
1605                 {
1606                         // PLEASE REMOVE THIS once deltalisten() of EXT_CSQC_1
1607                         // is implemented, or Xonotic uses CSQC-networked
1608                         // players, whichever comes first
1609                         entity_t *e = cl.entities + (i+1);
1610                         if(e->state_current.active)
1611                         {
1612                                 vec3_t origin;
1613                                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1614                                 dpsnprintf(t, sizeof(t), VECTOR_LOSSLESS_FORMAT, origin[0], origin[1], origin[2]);
1615                         }
1616                 }
1617         if(!t[0])
1618                 return;
1619         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1620 }
1621
1622 //#351 void(vector origin, vector forward, vector right, vector up) SetListener (EXT_CSQC)
1623 static void VM_CL_setlistener (prvm_prog_t *prog)
1624 {
1625         vec3_t origin, forward, left, up;
1626         VM_SAFEPARMCOUNT(4, VM_CL_setlistener);
1627         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), origin);
1628         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), forward);
1629         VectorNegate(PRVM_G_VECTOR(OFS_PARM2), left);
1630         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), up);
1631         Matrix4x4_FromVectors(&cl.csqc_listenermatrix, forward, left, up, origin);
1632         cl.csqc_usecsqclistener = true; //use csqc listener at this frame
1633 }
1634
1635 //#352 void(string cmdname) registercommand (EXT_CSQC)
1636 static void VM_CL_registercmd (prvm_prog_t *prog)
1637 {
1638         char *t;
1639         VM_SAFEPARMCOUNT(1, VM_CL_registercmd);
1640         if(!Cmd_Exists(PRVM_G_STRING(OFS_PARM0)))
1641         {
1642                 size_t alloclen;
1643
1644                 alloclen = strlen(PRVM_G_STRING(OFS_PARM0)) + 1;
1645                 t = (char *)Z_Malloc(alloclen);
1646                 memcpy(t, PRVM_G_STRING(OFS_PARM0), alloclen);
1647                 Cmd_AddCommand(t, NULL, "console command created by QuakeC");
1648         }
1649         else
1650                 Cmd_AddCommand(PRVM_G_STRING(OFS_PARM0), NULL, "console command created by QuakeC");
1651
1652 }
1653
1654 //#360 float() readbyte (EXT_CSQC)
1655 static void VM_CL_ReadByte (prvm_prog_t *prog)
1656 {
1657         VM_SAFEPARMCOUNT(0, VM_CL_ReadByte);
1658         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadByte(&cl_message);
1659 }
1660
1661 //#361 float() readchar (EXT_CSQC)
1662 static void VM_CL_ReadChar (prvm_prog_t *prog)
1663 {
1664         VM_SAFEPARMCOUNT(0, VM_CL_ReadChar);
1665         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadChar(&cl_message);
1666 }
1667
1668 //#362 float() readshort (EXT_CSQC)
1669 static void VM_CL_ReadShort (prvm_prog_t *prog)
1670 {
1671         VM_SAFEPARMCOUNT(0, VM_CL_ReadShort);
1672         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadShort(&cl_message);
1673 }
1674
1675 //#363 float() readlong (EXT_CSQC)
1676 static void VM_CL_ReadLong (prvm_prog_t *prog)
1677 {
1678         VM_SAFEPARMCOUNT(0, VM_CL_ReadLong);
1679         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadLong(&cl_message);
1680 }
1681
1682 //#364 float() readcoord (EXT_CSQC)
1683 static void VM_CL_ReadCoord (prvm_prog_t *prog)
1684 {
1685         VM_SAFEPARMCOUNT(0, VM_CL_ReadCoord);
1686         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadCoord(&cl_message, cls.protocol);
1687 }
1688
1689 //#365 float() readangle (EXT_CSQC)
1690 static void VM_CL_ReadAngle (prvm_prog_t *prog)
1691 {
1692         VM_SAFEPARMCOUNT(0, VM_CL_ReadAngle);
1693         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadAngle(&cl_message, cls.protocol);
1694 }
1695
1696 //#366 string() readstring (EXT_CSQC)
1697 static void VM_CL_ReadString (prvm_prog_t *prog)
1698 {
1699         VM_SAFEPARMCOUNT(0, VM_CL_ReadString);
1700         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring)));
1701 }
1702
1703 //#367 float() readfloat (EXT_CSQC)
1704 static void VM_CL_ReadFloat (prvm_prog_t *prog)
1705 {
1706         VM_SAFEPARMCOUNT(0, VM_CL_ReadFloat);
1707         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadFloat(&cl_message);
1708 }
1709
1710 //#501 string() readpicture (DP_CSQC_READWRITEPICTURE)
1711 extern cvar_t cl_readpicture_force;
1712 static void VM_CL_ReadPicture (prvm_prog_t *prog)
1713 {
1714         const char *name;
1715         unsigned char *data;
1716         unsigned char *buf;
1717         unsigned short size;
1718         int i;
1719         cachepic_t *pic;
1720
1721         VM_SAFEPARMCOUNT(0, VM_CL_ReadPicture);
1722
1723         name = MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring));
1724         size = (unsigned short) MSG_ReadShort(&cl_message);
1725
1726         // check if a texture of that name exists
1727         // if yes, it is used and the data is discarded
1728         // if not, the (low quality) data is used to build a new texture, whose name will get returned
1729
1730         pic = Draw_CachePic_Flags (name, CACHEPICFLAG_NOTPERSISTENT);
1731
1732         if(size)
1733         {
1734                 if(pic->tex == r_texture_notexture)
1735                         pic->tex = NULL; // don't overwrite the notexture by Draw_NewPic
1736                 if(pic->tex && !cl_readpicture_force.integer)
1737                 {
1738                         // texture found and loaded
1739                         // skip over the jpeg as we don't need it
1740                         for(i = 0; i < size; ++i)
1741                                 (void) MSG_ReadByte(&cl_message);
1742                 }
1743                 else
1744                 {
1745                         // texture not found
1746                         // use the attached jpeg as texture
1747                         buf = (unsigned char *) Mem_Alloc(tempmempool, size);
1748                         MSG_ReadBytes(&cl_message, size, buf);
1749                         data = JPEG_LoadImage_BGRA(buf, size, NULL);
1750                         Mem_Free(buf);
1751                         Draw_NewPic(name, image_width, image_height, false, data);
1752                         Mem_Free(data);
1753                 }
1754         }
1755
1756         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, name);
1757 }
1758
1759 //////////////////////////////////////////////////////////
1760
1761 static void VM_CL_makestatic (prvm_prog_t *prog)
1762 {
1763         prvm_edict_t *ent;
1764
1765         VM_SAFEPARMCOUNT(1, VM_CL_makestatic);
1766
1767         ent = PRVM_G_EDICT(OFS_PARM0);
1768         if (ent == prog->edicts)
1769         {
1770                 VM_Warning(prog, "makestatic: can not modify world entity\n");
1771                 return;
1772         }
1773         if (ent->priv.server->free)
1774         {
1775                 VM_Warning(prog, "makestatic: can not modify free entity\n");
1776                 return;
1777         }
1778
1779         if (cl.num_static_entities < cl.max_static_entities)
1780         {
1781                 int renderflags;
1782                 entity_t *staticent = &cl.static_entities[cl.num_static_entities++];
1783
1784                 // copy it to the current state
1785                 memset(staticent, 0, sizeof(*staticent));
1786                 staticent->render.model = CL_GetModelByIndex((int)PRVM_clientedictfloat(ent, modelindex));
1787                 staticent->render.framegroupblend[0].frame = (int)PRVM_clientedictfloat(ent, frame);
1788                 staticent->render.framegroupblend[0].lerp = 1;
1789                 // make torchs play out of sync
1790                 staticent->render.framegroupblend[0].start = lhrandom(-10, -1);
1791                 staticent->render.skinnum = (int)PRVM_clientedictfloat(ent, skin);
1792                 staticent->render.effects = (int)PRVM_clientedictfloat(ent, effects);
1793                 staticent->render.alpha = PRVM_clientedictfloat(ent, alpha);
1794                 staticent->render.scale = PRVM_clientedictfloat(ent, scale);
1795                 VectorCopy(PRVM_clientedictvector(ent, colormod), staticent->render.colormod);
1796                 VectorCopy(PRVM_clientedictvector(ent, glowmod), staticent->render.glowmod);
1797
1798                 // sanitize values
1799                 if (!staticent->render.alpha)
1800                         staticent->render.alpha = 1.0f;
1801                 if (!staticent->render.scale)
1802                         staticent->render.scale = 1.0f;
1803                 if (!VectorLength2(staticent->render.colormod))
1804                         VectorSet(staticent->render.colormod, 1, 1, 1);
1805                 if (!VectorLength2(staticent->render.glowmod))
1806                         VectorSet(staticent->render.glowmod, 1, 1, 1);
1807
1808                 renderflags = (int)PRVM_clientedictfloat(ent, renderflags);
1809                 if (renderflags & RF_USEAXIS)
1810                 {
1811                         vec3_t forward, left, up, origin;
1812                         VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1813                         VectorNegate(PRVM_clientglobalvector(v_right), left);
1814                         VectorCopy(PRVM_clientglobalvector(v_up), up);
1815                         VectorCopy(PRVM_clientedictvector(ent, origin), origin);
1816                         Matrix4x4_FromVectors(&staticent->render.matrix, forward, left, up, origin);
1817                         Matrix4x4_Scale(&staticent->render.matrix, staticent->render.scale, 1);
1818                 }
1819                 else
1820                         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);
1821
1822                 // either fullbright or lit
1823                 if(!r_fullbright.integer)
1824                 {
1825                         if (!(staticent->render.effects & EF_FULLBRIGHT))
1826                                 staticent->render.flags |= RENDER_LIGHT;
1827                         else if(r_equalize_entities_fullbright.integer)
1828                                 staticent->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1829                 }
1830                 // turn off shadows from transparent objects
1831                 if (!(staticent->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (staticent->render.alpha >= 1))
1832                         staticent->render.flags |= RENDER_SHADOW;
1833                 if (staticent->render.effects & EF_NODEPTHTEST)
1834                         staticent->render.flags |= RENDER_NODEPTHTEST;
1835                 if (staticent->render.effects & EF_ADDITIVE)
1836                         staticent->render.flags |= RENDER_ADDITIVE;
1837                 if (staticent->render.effects & EF_DOUBLESIDED)
1838                         staticent->render.flags |= RENDER_DOUBLESIDED;
1839
1840                 staticent->render.allowdecals = true;
1841                 CL_UpdateRenderEntity(&staticent->render);
1842         }
1843         else
1844                 Con_Printf("Too many static entities");
1845
1846 // throw the entity away now
1847         PRVM_ED_Free(prog, ent);
1848 }
1849
1850 //=================================================================//
1851
1852 /*
1853 =================
1854 VM_CL_copyentity
1855
1856 copies data from one entity to another
1857
1858 copyentity(src, dst)
1859 =================
1860 */
1861 static void VM_CL_copyentity (prvm_prog_t *prog)
1862 {
1863         prvm_edict_t *in, *out;
1864         VM_SAFEPARMCOUNT(2, VM_CL_copyentity);
1865         in = PRVM_G_EDICT(OFS_PARM0);
1866         if (in == prog->edicts)
1867         {
1868                 VM_Warning(prog, "copyentity: can not read world entity\n");
1869                 return;
1870         }
1871         if (in->priv.server->free)
1872         {
1873                 VM_Warning(prog, "copyentity: can not read free entity\n");
1874                 return;
1875         }
1876         out = PRVM_G_EDICT(OFS_PARM1);
1877         if (out == prog->edicts)
1878         {
1879                 VM_Warning(prog, "copyentity: can not modify world entity\n");
1880                 return;
1881         }
1882         if (out->priv.server->free)
1883         {
1884                 VM_Warning(prog, "copyentity: can not modify free entity\n");
1885                 return;
1886         }
1887         memcpy(out->fields.fp, in->fields.fp, prog->entityfields * sizeof(prvm_vec_t));
1888         CL_LinkEdict(out);
1889 }
1890
1891 //=================================================================//
1892
1893 // #404 void(vector org, string modelname, float startframe, float endframe, float framerate) effect (DP_SV_EFFECT)
1894 static void VM_CL_effect (prvm_prog_t *prog)
1895 {
1896 #if 1
1897         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
1898 #else
1899         vec3_t org;
1900         VM_SAFEPARMCOUNT(5, VM_CL_effect);
1901         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
1902         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));
1903 #endif
1904 }
1905
1906 // #405 void(vector org, vector velocity, float howmany) te_blood (DP_TE_BLOOD)
1907 static void VM_CL_te_blood (prvm_prog_t *prog)
1908 {
1909         vec3_t pos, vel, pos2;
1910         VM_SAFEPARMCOUNT(3, VM_CL_te_blood);
1911         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1912                 return;
1913         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1914         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
1915         CL_FindNonSolidLocation(pos, pos2, 4);
1916         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
1917 }
1918
1919 // #406 void(vector mincorner, vector maxcorner, float explosionspeed, float howmany) te_bloodshower (DP_TE_BLOODSHOWER)
1920 static void VM_CL_te_bloodshower (prvm_prog_t *prog)
1921 {
1922         vec_t speed;
1923         vec3_t mincorner, maxcorner, vel1, vel2;
1924         VM_SAFEPARMCOUNT(4, VM_CL_te_bloodshower);
1925         if (PRVM_G_FLOAT(OFS_PARM3) < 1)
1926                 return;
1927         speed = PRVM_G_FLOAT(OFS_PARM2);
1928         vel1[0] = -speed;
1929         vel1[1] = -speed;
1930         vel1[2] = -speed;
1931         vel2[0] = speed;
1932         vel2[1] = speed;
1933         vel2[2] = speed;
1934         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1935         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1936         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM3), mincorner, maxcorner, vel1, vel2, NULL, 0);
1937 }
1938
1939 // #407 void(vector org, vector color) te_explosionrgb (DP_TE_EXPLOSIONRGB)
1940 static void VM_CL_te_explosionrgb (prvm_prog_t *prog)
1941 {
1942         vec3_t          pos;
1943         vec3_t          pos2;
1944         matrix4x4_t     tempmatrix;
1945         VM_SAFEPARMCOUNT(2, VM_CL_te_explosionrgb);
1946         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1947         CL_FindNonSolidLocation(pos, pos2, 10);
1948         CL_ParticleExplosion(pos2);
1949         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1950         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);
1951 }
1952
1953 // #408 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color, float gravityflag, float randomveljitter) te_particlecube (DP_TE_PARTICLECUBE)
1954 static void VM_CL_te_particlecube (prvm_prog_t *prog)
1955 {
1956         vec3_t mincorner, maxcorner, vel;
1957         VM_SAFEPARMCOUNT(7, VM_CL_te_particlecube);
1958         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1959         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1960         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1961         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));
1962 }
1963
1964 // #409 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlerain (DP_TE_PARTICLERAIN)
1965 static void VM_CL_te_particlerain (prvm_prog_t *prog)
1966 {
1967         vec3_t mincorner, maxcorner, vel;
1968         VM_SAFEPARMCOUNT(5, VM_CL_te_particlerain);
1969         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1970         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1971         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1972         CL_ParticleRain(mincorner, maxcorner, vel, (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 0);
1973 }
1974
1975 // #410 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlesnow (DP_TE_PARTICLESNOW)
1976 static void VM_CL_te_particlesnow (prvm_prog_t *prog)
1977 {
1978         vec3_t mincorner, maxcorner, vel;
1979         VM_SAFEPARMCOUNT(5, VM_CL_te_particlesnow);
1980         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1981         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1982         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1983         CL_ParticleRain(mincorner, maxcorner, vel, (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 1);
1984 }
1985
1986 // #411 void(vector org, vector vel, float howmany) te_spark
1987 static void VM_CL_te_spark (prvm_prog_t *prog)
1988 {
1989         vec3_t pos, pos2, vel;
1990         VM_SAFEPARMCOUNT(3, VM_CL_te_spark);
1991
1992         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1993         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
1994         CL_FindNonSolidLocation(pos, pos2, 4);
1995         CL_ParticleEffect(EFFECT_TE_SPARK, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
1996 }
1997
1998 extern cvar_t cl_sound_ric_gunshot;
1999 // #412 void(vector org) te_gunshotquad (DP_QUADEFFECTS1)
2000 static void VM_CL_te_gunshotquad (prvm_prog_t *prog)
2001 {
2002         vec3_t          pos, pos2;
2003         int                     rnd;
2004         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshotquad);
2005
2006         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2007         CL_FindNonSolidLocation(pos, pos2, 4);
2008         CL_ParticleEffect(EFFECT_TE_GUNSHOTQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2009         if(cl_sound_ric_gunshot.integer >= 2)
2010         {
2011                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2012                 else
2013                 {
2014                         rnd = rand() & 3;
2015                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2016                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2017                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2018                 }
2019         }
2020 }
2021
2022 // #413 void(vector org) te_spikequad (DP_QUADEFFECTS1)
2023 static void VM_CL_te_spikequad (prvm_prog_t *prog)
2024 {
2025         vec3_t          pos, pos2;
2026         int                     rnd;
2027         VM_SAFEPARMCOUNT(1, VM_CL_te_spikequad);
2028
2029         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2030         CL_FindNonSolidLocation(pos, pos2, 4);
2031         CL_ParticleEffect(EFFECT_TE_SPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2032         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2033         else
2034         {
2035                 rnd = rand() & 3;
2036                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2037                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2038                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2039         }
2040 }
2041
2042 // #414 void(vector org) te_superspikequad (DP_QUADEFFECTS1)
2043 static void VM_CL_te_superspikequad (prvm_prog_t *prog)
2044 {
2045         vec3_t          pos, pos2;
2046         int                     rnd;
2047         VM_SAFEPARMCOUNT(1, VM_CL_te_superspikequad);
2048
2049         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2050         CL_FindNonSolidLocation(pos, pos2, 4);
2051         CL_ParticleEffect(EFFECT_TE_SUPERSPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2052         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos, 1, 1);
2053         else
2054         {
2055                 rnd = rand() & 3;
2056                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2057                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2058                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2059         }
2060 }
2061
2062 // #415 void(vector org) te_explosionquad (DP_QUADEFFECTS1)
2063 static void VM_CL_te_explosionquad (prvm_prog_t *prog)
2064 {
2065         vec3_t          pos, pos2;
2066         VM_SAFEPARMCOUNT(1, VM_CL_te_explosionquad);
2067
2068         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2069         CL_FindNonSolidLocation(pos, pos2, 10);
2070         CL_ParticleEffect(EFFECT_TE_EXPLOSIONQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2071         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2072 }
2073
2074 // #416 void(vector org) te_smallflash (DP_TE_SMALLFLASH)
2075 static void VM_CL_te_smallflash (prvm_prog_t *prog)
2076 {
2077         vec3_t          pos, pos2;
2078         VM_SAFEPARMCOUNT(1, VM_CL_te_smallflash);
2079
2080         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2081         CL_FindNonSolidLocation(pos, pos2, 10);
2082         CL_ParticleEffect(EFFECT_TE_SMALLFLASH, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2083 }
2084
2085 // #417 void(vector org, float radius, float lifetime, vector color) te_customflash (DP_TE_CUSTOMFLASH)
2086 static void VM_CL_te_customflash (prvm_prog_t *prog)
2087 {
2088         vec3_t          pos, pos2;
2089         matrix4x4_t     tempmatrix;
2090         VM_SAFEPARMCOUNT(4, VM_CL_te_customflash);
2091
2092         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2093         CL_FindNonSolidLocation(pos, pos2, 4);
2094         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2095         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);
2096 }
2097
2098 // #418 void(vector org) te_gunshot (DP_TE_STANDARDEFFECTBUILTINS)
2099 static void VM_CL_te_gunshot (prvm_prog_t *prog)
2100 {
2101         vec3_t          pos, pos2;
2102         int                     rnd;
2103         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshot);
2104
2105         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2106         CL_FindNonSolidLocation(pos, pos2, 4);
2107         CL_ParticleEffect(EFFECT_TE_GUNSHOT, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2108         if(cl_sound_ric_gunshot.integer == 1 || cl_sound_ric_gunshot.integer == 3)
2109         {
2110                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2111                 else
2112                 {
2113                         rnd = rand() & 3;
2114                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2115                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2116                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2117                 }
2118         }
2119 }
2120
2121 // #419 void(vector org) te_spike (DP_TE_STANDARDEFFECTBUILTINS)
2122 static void VM_CL_te_spike (prvm_prog_t *prog)
2123 {
2124         vec3_t          pos, pos2;
2125         int                     rnd;
2126         VM_SAFEPARMCOUNT(1, VM_CL_te_spike);
2127
2128         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2129         CL_FindNonSolidLocation(pos, pos2, 4);
2130         CL_ParticleEffect(EFFECT_TE_SPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2131         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2132         else
2133         {
2134                 rnd = rand() & 3;
2135                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2136                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2137                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2138         }
2139 }
2140
2141 // #420 void(vector org) te_superspike (DP_TE_STANDARDEFFECTBUILTINS)
2142 static void VM_CL_te_superspike (prvm_prog_t *prog)
2143 {
2144         vec3_t          pos, pos2;
2145         int                     rnd;
2146         VM_SAFEPARMCOUNT(1, VM_CL_te_superspike);
2147
2148         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2149         CL_FindNonSolidLocation(pos, pos2, 4);
2150         CL_ParticleEffect(EFFECT_TE_SUPERSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2151         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2152         else
2153         {
2154                 rnd = rand() & 3;
2155                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2156                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2157                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2158         }
2159 }
2160
2161 // #421 void(vector org) te_explosion (DP_TE_STANDARDEFFECTBUILTINS)
2162 static void VM_CL_te_explosion (prvm_prog_t *prog)
2163 {
2164         vec3_t          pos, pos2;
2165         VM_SAFEPARMCOUNT(1, VM_CL_te_explosion);
2166
2167         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2168         CL_FindNonSolidLocation(pos, pos2, 10);
2169         CL_ParticleEffect(EFFECT_TE_EXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2170         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2171 }
2172
2173 // #422 void(vector org) te_tarexplosion (DP_TE_STANDARDEFFECTBUILTINS)
2174 static void VM_CL_te_tarexplosion (prvm_prog_t *prog)
2175 {
2176         vec3_t          pos, pos2;
2177         VM_SAFEPARMCOUNT(1, VM_CL_te_tarexplosion);
2178
2179         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2180         CL_FindNonSolidLocation(pos, pos2, 10);
2181         CL_ParticleEffect(EFFECT_TE_TAREXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2182         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2183 }
2184
2185 // #423 void(vector org) te_wizspike (DP_TE_STANDARDEFFECTBUILTINS)
2186 static void VM_CL_te_wizspike (prvm_prog_t *prog)
2187 {
2188         vec3_t          pos, pos2;
2189         VM_SAFEPARMCOUNT(1, VM_CL_te_wizspike);
2190
2191         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2192         CL_FindNonSolidLocation(pos, pos2, 4);
2193         CL_ParticleEffect(EFFECT_TE_WIZSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2194         S_StartSound(-1, 0, cl.sfx_wizhit, pos2, 1, 1);
2195 }
2196
2197 // #424 void(vector org) te_knightspike (DP_TE_STANDARDEFFECTBUILTINS)
2198 static void VM_CL_te_knightspike (prvm_prog_t *prog)
2199 {
2200         vec3_t          pos, pos2;
2201         VM_SAFEPARMCOUNT(1, VM_CL_te_knightspike);
2202
2203         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2204         CL_FindNonSolidLocation(pos, pos2, 4);
2205         CL_ParticleEffect(EFFECT_TE_KNIGHTSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2206         S_StartSound(-1, 0, cl.sfx_knighthit, pos2, 1, 1);
2207 }
2208
2209 // #425 void(vector org) te_lavasplash (DP_TE_STANDARDEFFECTBUILTINS)
2210 static void VM_CL_te_lavasplash (prvm_prog_t *prog)
2211 {
2212         vec3_t          pos;
2213         VM_SAFEPARMCOUNT(1, VM_CL_te_lavasplash);
2214         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2215         CL_ParticleEffect(EFFECT_TE_LAVASPLASH, 1, pos, pos, vec3_origin, vec3_origin, NULL, 0);
2216 }
2217
2218 // #426 void(vector org) te_teleport (DP_TE_STANDARDEFFECTBUILTINS)
2219 static void VM_CL_te_teleport (prvm_prog_t *prog)
2220 {
2221         vec3_t          pos;
2222         VM_SAFEPARMCOUNT(1, VM_CL_te_teleport);
2223         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2224         CL_ParticleEffect(EFFECT_TE_TELEPORT, 1, pos, pos, vec3_origin, vec3_origin, NULL, 0);
2225 }
2226
2227 // #427 void(vector org, float colorstart, float colorlength) te_explosion2 (DP_TE_STANDARDEFFECTBUILTINS)
2228 static void VM_CL_te_explosion2 (prvm_prog_t *prog)
2229 {
2230         vec3_t          pos, pos2, color;
2231         matrix4x4_t     tempmatrix;
2232         int                     colorStart, colorLength;
2233         unsigned char           *tempcolor;
2234         VM_SAFEPARMCOUNT(3, VM_CL_te_explosion2);
2235
2236         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2237         colorStart = (int)PRVM_G_FLOAT(OFS_PARM1);
2238         colorLength = (int)PRVM_G_FLOAT(OFS_PARM2);
2239         CL_FindNonSolidLocation(pos, pos2, 10);
2240         CL_ParticleExplosion2(pos2, colorStart, colorLength);
2241         tempcolor = palette_rgb[(rand()%colorLength) + colorStart];
2242         color[0] = tempcolor[0] * (2.0f / 255.0f);
2243         color[1] = tempcolor[1] * (2.0f / 255.0f);
2244         color[2] = tempcolor[2] * (2.0f / 255.0f);
2245         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2246         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);
2247         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2248 }
2249
2250
2251 // #428 void(entity own, vector start, vector end) te_lightning1 (DP_TE_STANDARDEFFECTBUILTINS)
2252 static void VM_CL_te_lightning1 (prvm_prog_t *prog)
2253 {
2254         vec3_t          start, end;
2255         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning1);
2256         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2257         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2258         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt, true);
2259 }
2260
2261 // #429 void(entity own, vector start, vector end) te_lightning2 (DP_TE_STANDARDEFFECTBUILTINS)
2262 static void VM_CL_te_lightning2 (prvm_prog_t *prog)
2263 {
2264         vec3_t          start, end;
2265         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning2);
2266         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2267         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2268         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt2, true);
2269 }
2270
2271 // #430 void(entity own, vector start, vector end) te_lightning3 (DP_TE_STANDARDEFFECTBUILTINS)
2272 static void VM_CL_te_lightning3 (prvm_prog_t *prog)
2273 {
2274         vec3_t          start, end;
2275         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning3);
2276         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2277         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2278         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt3, false);
2279 }
2280
2281 // #431 void(entity own, vector start, vector end) te_beam (DP_TE_STANDARDEFFECTBUILTINS)
2282 static void VM_CL_te_beam (prvm_prog_t *prog)
2283 {
2284         vec3_t          start, end;
2285         VM_SAFEPARMCOUNT(3, VM_CL_te_beam);
2286         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2287         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2288         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_beam, false);
2289 }
2290
2291 // #433 void(vector org) te_plasmaburn (DP_TE_PLASMABURN)
2292 static void VM_CL_te_plasmaburn (prvm_prog_t *prog)
2293 {
2294         vec3_t          pos, pos2;
2295         VM_SAFEPARMCOUNT(1, VM_CL_te_plasmaburn);
2296
2297         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2298         CL_FindNonSolidLocation(pos, pos2, 4);
2299         CL_ParticleEffect(EFFECT_TE_PLASMABURN, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2300 }
2301
2302 // #457 void(vector org, vector velocity, float howmany) te_flamejet (DP_TE_FLAMEJET)
2303 static void VM_CL_te_flamejet (prvm_prog_t *prog)
2304 {
2305         vec3_t          pos, pos2, vel;
2306         VM_SAFEPARMCOUNT(3, VM_CL_te_flamejet);
2307         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
2308                 return;
2309         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2310         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
2311         CL_FindNonSolidLocation(pos, pos2, 4);
2312         CL_ParticleEffect(EFFECT_TE_FLAMEJET, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
2313 }
2314
2315
2316 // #443 void(entity e, entity tagentity, string tagname) setattachment
2317 static void VM_CL_setattachment (prvm_prog_t *prog)
2318 {
2319         prvm_edict_t *e;
2320         prvm_edict_t *tagentity;
2321         const char *tagname;
2322         int modelindex;
2323         int tagindex;
2324         dp_model_t *model;
2325         VM_SAFEPARMCOUNT(3, VM_CL_setattachment);
2326
2327         e = PRVM_G_EDICT(OFS_PARM0);
2328         tagentity = PRVM_G_EDICT(OFS_PARM1);
2329         tagname = PRVM_G_STRING(OFS_PARM2);
2330
2331         if (e == prog->edicts)
2332         {
2333                 VM_Warning(prog, "setattachment: can not modify world entity\n");
2334                 return;
2335         }
2336         if (e->priv.server->free)
2337         {
2338                 VM_Warning(prog, "setattachment: can not modify free entity\n");
2339                 return;
2340         }
2341
2342         if (tagentity == NULL)
2343                 tagentity = prog->edicts;
2344
2345         tagindex = 0;
2346         if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
2347         {
2348                 modelindex = (int)PRVM_clientedictfloat(tagentity, modelindex);
2349                 model = CL_GetModelByIndex(modelindex);
2350                 if (model)
2351                 {
2352                         tagindex = Mod_Alias_GetTagIndexForName(model, (int)PRVM_clientedictfloat(tagentity, skin), tagname);
2353                         if (tagindex == 0)
2354                                 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);
2355                 }
2356                 else
2357                         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));
2358         }
2359
2360         PRVM_clientedictedict(e, tag_entity) = PRVM_EDICT_TO_PROG(tagentity);
2361         PRVM_clientedictfloat(e, tag_index) = tagindex;
2362 }
2363
2364 /////////////////////////////////////////
2365 // DP_MD3_TAGINFO extension coded by VorteX
2366
2367 static int CL_GetTagIndex (prvm_prog_t *prog, prvm_edict_t *e, const char *tagname)
2368 {
2369         dp_model_t *model = CL_GetModelFromEdict(e);
2370         if (model)
2371                 return Mod_Alias_GetTagIndexForName(model, (int)PRVM_clientedictfloat(e, skin), tagname);
2372         else
2373                 return -1;
2374 }
2375
2376 static int CL_GetExtendedTagInfo (prvm_prog_t *prog, prvm_edict_t *e, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix)
2377 {
2378         int r;
2379         dp_model_t *model;
2380
2381         *tagname = NULL;
2382         *parentindex = 0;
2383         Matrix4x4_CreateIdentity(tag_localmatrix);
2384
2385         if (tagindex >= 0
2386          && (model = CL_GetModelFromEdict(e))
2387          && model->animscenes)
2388         {
2389                 r = Mod_Alias_GetExtendedTagInfoForIndex(model, (int)PRVM_clientedictfloat(e, skin), e->priv.server->frameblend, &e->priv.server->skeleton, tagindex - 1, parentindex, tagname, tag_localmatrix);
2390
2391                 if(!r) // success?
2392                         *parentindex += 1;
2393
2394                 return r;
2395         }
2396
2397         return 1;
2398 }
2399
2400 int CL_GetPitchSign(prvm_prog_t *prog, prvm_edict_t *ent)
2401 {
2402         dp_model_t *model;
2403         if ((model = CL_GetModelFromEdict(ent)) && model->type == mod_alias)
2404                 return -1;
2405         return 1;
2406 }
2407
2408 void CL_GetEntityMatrix (prvm_prog_t *prog, prvm_edict_t *ent, matrix4x4_t *out, qboolean viewmatrix)
2409 {
2410         float scale;
2411         float pitchsign = 1;
2412
2413         scale = PRVM_clientedictfloat(ent, scale);
2414         if (!scale)
2415                 scale = 1.0f;
2416
2417         if(viewmatrix)
2418                 *out = r_refdef.view.matrix;
2419         else if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_USEAXIS)
2420         {
2421                 vec3_t forward;
2422                 vec3_t left;
2423                 vec3_t up;
2424                 vec3_t origin;
2425                 VectorScale(PRVM_clientglobalvector(v_forward), scale, forward);
2426                 VectorScale(PRVM_clientglobalvector(v_right), -scale, left);
2427                 VectorScale(PRVM_clientglobalvector(v_up), scale, up);
2428                 VectorCopy(PRVM_clientedictvector(ent, origin), origin);
2429                 Matrix4x4_FromVectors(out, forward, left, up, origin);
2430         }
2431         else
2432         {
2433                 pitchsign = CL_GetPitchSign(prog, ent);
2434                 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);
2435         }
2436 }
2437
2438 static int CL_GetEntityLocalTagMatrix(prvm_prog_t *prog, prvm_edict_t *ent, int tagindex, matrix4x4_t *out)
2439 {
2440         dp_model_t *model;
2441         if (tagindex >= 0
2442          && (model = CL_GetModelFromEdict(ent))
2443          && model->animscenes)
2444         {
2445                 VM_GenerateFrameGroupBlend(prog, ent->priv.server->framegroupblend, ent);
2446                 VM_FrameBlendFromFrameGroupBlend(ent->priv.server->frameblend, ent->priv.server->framegroupblend, model, cl.time);
2447                 VM_UpdateEdictSkeleton(prog, ent, model, ent->priv.server->frameblend);
2448                 return Mod_Alias_GetTagMatrix(model, ent->priv.server->frameblend, &ent->priv.server->skeleton, tagindex, out);
2449         }
2450         *out = identitymatrix;
2451         return 0;
2452 }
2453
2454 // Warnings/errors code:
2455 // 0 - normal (everything all-right)
2456 // 1 - world entity
2457 // 2 - free entity
2458 // 3 - null or non-precached model
2459 // 4 - no tags with requested index
2460 // 5 - runaway loop at attachment chain
2461 extern cvar_t cl_bob;
2462 extern cvar_t cl_bobcycle;
2463 extern cvar_t cl_bobup;
2464 int CL_GetTagMatrix (prvm_prog_t *prog, matrix4x4_t *out, prvm_edict_t *ent, int tagindex)
2465 {
2466         int ret;
2467         int attachloop;
2468         matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
2469         dp_model_t *model;
2470
2471         *out = identitymatrix; // warnings and errors return identical matrix
2472
2473         if (ent == prog->edicts)
2474                 return 1;
2475         if (ent->priv.server->free)
2476                 return 2;
2477
2478         model = CL_GetModelFromEdict(ent);
2479         if(!model)
2480                 return 3;
2481
2482         tagmatrix = identitymatrix;
2483         attachloop = 0;
2484         for(;;)
2485         {
2486                 if(attachloop >= 256)
2487                         return 5;
2488                 // apply transformation by child's tagindex on parent entity and then
2489                 // by parent entity itself
2490                 ret = CL_GetEntityLocalTagMatrix(prog, ent, tagindex - 1, &attachmatrix);
2491                 if(ret && attachloop == 0)
2492                         return ret;
2493                 CL_GetEntityMatrix(prog, ent, &entitymatrix, false);
2494                 Matrix4x4_Concat(&tagmatrix, &attachmatrix, out);
2495                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2496                 // next iteration we process the parent entity
2497                 if (PRVM_clientedictedict(ent, tag_entity))
2498                 {
2499                         tagindex = (int)PRVM_clientedictfloat(ent, tag_index);
2500                         ent = PRVM_EDICT_NUM(PRVM_clientedictedict(ent, tag_entity));
2501                 }
2502                 else
2503                         break;
2504                 attachloop++;
2505         }
2506
2507         // RENDER_VIEWMODEL magic
2508         if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_VIEWMODEL)
2509         {
2510                 Matrix4x4_Copy(&tagmatrix, out);
2511
2512                 CL_GetEntityMatrix(prog, prog->edicts, &entitymatrix, true);
2513                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2514
2515                 /*
2516                 // Cl_bob, ported from rendering code
2517                 if (PRVM_clientedictfloat(ent, health) > 0 && cl_bob.value && cl_bobcycle.value)
2518                 {
2519                         double bob, cycle;
2520                         // LordHavoc: this code is *weird*, but not replacable (I think it
2521                         // should be done in QC on the server, but oh well, quake is quake)
2522                         // LordHavoc: figured out bobup: the time at which the sin is at 180
2523                         // degrees (which allows lengthening or squishing the peak or valley)
2524                         cycle = cl.time/cl_bobcycle.value;
2525                         cycle -= (int)cycle;
2526                         if (cycle < cl_bobup.value)
2527                                 cycle = sin(M_PI * cycle / cl_bobup.value);
2528                         else
2529                                 cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
2530                         // bob is proportional to velocity in the xy plane
2531                         // (don't count Z, or jumping messes it up)
2532                         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;
2533                         bob = bob*0.3 + bob*0.7*cycle;
2534                         Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
2535                 }
2536                 */
2537         }
2538         return 0;
2539 }
2540
2541 // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
2542 static void VM_CL_gettagindex (prvm_prog_t *prog)
2543 {
2544         prvm_edict_t *ent;
2545         const char *tag_name;
2546         int tag_index;
2547
2548         VM_SAFEPARMCOUNT(2, VM_CL_gettagindex);
2549
2550         ent = PRVM_G_EDICT(OFS_PARM0);
2551         tag_name = PRVM_G_STRING(OFS_PARM1);
2552         if (ent == prog->edicts)
2553         {
2554                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect world entity\n", PRVM_NUM_FOR_EDICT(ent));
2555                 return;
2556         }
2557         if (ent->priv.server->free)
2558         {
2559                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect free entity\n", PRVM_NUM_FOR_EDICT(ent));
2560                 return;
2561         }
2562
2563         tag_index = 0;
2564         if (!CL_GetModelFromEdict(ent))
2565                 Con_DPrintf("VM_CL_gettagindex(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(ent));
2566         else
2567         {
2568                 tag_index = CL_GetTagIndex(prog, ent, tag_name);
2569                 if (tag_index == 0)
2570                         if(developer_extra.integer)
2571                                 Con_DPrintf("VM_CL_gettagindex(entity #%i): tag \"%s\" not found\n", PRVM_NUM_FOR_EDICT(ent), tag_name);
2572         }
2573         PRVM_G_FLOAT(OFS_RETURN) = tag_index;
2574 }
2575
2576 // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
2577 static void VM_CL_gettaginfo (prvm_prog_t *prog)
2578 {
2579         prvm_edict_t *e;
2580         int tagindex;
2581         matrix4x4_t tag_matrix;
2582         matrix4x4_t tag_localmatrix;
2583         int parentindex;
2584         const char *tagname;
2585         int returncode;
2586         vec3_t forward, left, up, origin;
2587         const dp_model_t *model;
2588
2589         VM_SAFEPARMCOUNT(2, VM_CL_gettaginfo);
2590
2591         e = PRVM_G_EDICT(OFS_PARM0);
2592         tagindex = (int)PRVM_G_FLOAT(OFS_PARM1);
2593         returncode = CL_GetTagMatrix(prog, &tag_matrix, e, tagindex);
2594         Matrix4x4_ToVectors(&tag_matrix, forward, left, up, origin);
2595         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
2596         VectorScale(left, -1, PRVM_clientglobalvector(v_right));
2597         VectorCopy(up, PRVM_clientglobalvector(v_up));
2598         VectorCopy(origin, PRVM_G_VECTOR(OFS_RETURN));
2599         model = CL_GetModelFromEdict(e);
2600         VM_GenerateFrameGroupBlend(prog, e->priv.server->framegroupblend, e);
2601         VM_FrameBlendFromFrameGroupBlend(e->priv.server->frameblend, e->priv.server->framegroupblend, model, cl.time);
2602         VM_UpdateEdictSkeleton(prog, e, model, e->priv.server->frameblend);
2603         CL_GetExtendedTagInfo(prog, e, tagindex, &parentindex, &tagname, &tag_localmatrix);
2604         Matrix4x4_ToVectors(&tag_localmatrix, forward, left, up, origin);
2605
2606         PRVM_clientglobalfloat(gettaginfo_parent) = parentindex;
2607         PRVM_clientglobalstring(gettaginfo_name) = tagname ? PRVM_SetTempString(prog, tagname) : 0;
2608         VectorCopy(forward, PRVM_clientglobalvector(gettaginfo_forward));
2609         VectorScale(left, -1, PRVM_clientglobalvector(gettaginfo_right));
2610         VectorCopy(up, PRVM_clientglobalvector(gettaginfo_up));
2611         VectorCopy(origin, PRVM_clientglobalvector(gettaginfo_offset));
2612
2613         switch(returncode)
2614         {
2615                 case 1:
2616                         VM_Warning(prog, "gettagindex: can't affect world entity\n");
2617                         break;
2618                 case 2:
2619                         VM_Warning(prog, "gettagindex: can't affect free entity\n");
2620                         break;
2621                 case 3:
2622                         Con_DPrintf("CL_GetTagMatrix(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(e));
2623                         break;
2624                 case 4:
2625                         Con_DPrintf("CL_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", PRVM_NUM_FOR_EDICT(e), tagindex);
2626                         break;
2627                 case 5:
2628                         Con_DPrintf("CL_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", PRVM_NUM_FOR_EDICT(e));
2629                         break;
2630         }
2631 }
2632
2633 //============================================================================
2634
2635 //====================
2636 // DP_CSQC_SPAWNPARTICLE
2637 // a QC hook to engine's CL_NewParticle
2638 //====================
2639
2640 // particle theme struct
2641 typedef struct vmparticletheme_s
2642 {
2643         unsigned short typeindex;
2644         qboolean initialized;
2645         pblend_t blendmode;
2646         porientation_t orientation;
2647         int color1;
2648         int color2;
2649         int tex;
2650         float size;
2651         float sizeincrease;
2652         float alpha;
2653         float alphafade;
2654         float gravity;
2655         float bounce;
2656         float airfriction;
2657         float liquidfriction;
2658         float originjitter;
2659         float velocityjitter;
2660         qboolean qualityreduction;
2661         float lifetime;
2662         float stretch;
2663         int staincolor1;
2664         int staincolor2;
2665         int staintex;
2666         float stainalpha;
2667         float stainsize;
2668         float delayspawn;
2669         float delaycollision;
2670         float angle;
2671         float spin;
2672 }vmparticletheme_t;
2673
2674 // particle spawner
2675 typedef struct vmparticlespawner_s
2676 {
2677         mempool_t                       *pool;
2678         qboolean                        initialized;
2679         qboolean                        verified;
2680         vmparticletheme_t       *themes;
2681         int                                     max_themes;
2682 }vmparticlespawner_t;
2683
2684 vmparticlespawner_t vmpartspawner;
2685
2686 // TODO: automatic max_themes grow
2687 static void VM_InitParticleSpawner (prvm_prog_t *prog, int maxthemes)
2688 {
2689         // bound max themes to not be an insane value
2690         if (maxthemes < 4)
2691                 maxthemes = 4;
2692         if (maxthemes > 2048)
2693                 maxthemes = 2048;
2694         // allocate and set up structure
2695         if (vmpartspawner.initialized) // reallocate
2696         {
2697                 Mem_FreePool(&vmpartspawner.pool);
2698                 memset(&vmpartspawner, 0, sizeof(vmparticlespawner_t));
2699         }
2700         vmpartspawner.pool = Mem_AllocPool("VMPARTICLESPAWNER", 0, NULL);
2701         vmpartspawner.themes = (vmparticletheme_t *)Mem_Alloc(vmpartspawner.pool, sizeof(vmparticletheme_t)*maxthemes);
2702         vmpartspawner.max_themes = maxthemes;
2703         vmpartspawner.initialized = true;
2704         vmpartspawner.verified = true;
2705 }
2706
2707 // reset particle theme to default values
2708 static void VM_ResetParticleTheme (vmparticletheme_t *theme)
2709 {
2710         theme->initialized = true;
2711         theme->typeindex = pt_static;
2712         theme->blendmode = PBLEND_ADD;
2713         theme->orientation = PARTICLE_BILLBOARD;
2714         theme->color1 = 0x808080;
2715         theme->color2 = 0xFFFFFF;
2716         theme->tex = 63;
2717         theme->size = 2;
2718         theme->sizeincrease = 0;
2719         theme->alpha = 256;
2720         theme->alphafade = 512;
2721         theme->gravity = 0.0f;
2722         theme->bounce = 0.0f;
2723         theme->airfriction = 1.0f;
2724         theme->liquidfriction = 4.0f;
2725         theme->originjitter = 0.0f;
2726         theme->velocityjitter = 0.0f;
2727         theme->qualityreduction = false;
2728         theme->lifetime = 4;
2729         theme->stretch = 1;
2730         theme->staincolor1 = -1;
2731         theme->staincolor2 = -1;
2732         theme->staintex = -1;
2733         theme->delayspawn = 0.0f;
2734         theme->delaycollision = 0.0f;
2735         theme->angle = 0.0f;
2736         theme->spin = 0.0f;
2737 }
2738
2739 // particle theme -> QC globals
2740 static void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme, prvm_prog_t *prog)
2741 {
2742         PRVM_clientglobalfloat(particle_type) = theme->typeindex;
2743         PRVM_clientglobalfloat(particle_blendmode) = theme->blendmode;
2744         PRVM_clientglobalfloat(particle_orientation) = theme->orientation;
2745         // VorteX: int only can store 0-255, not 0-256 which means 0 - 0,99609375...
2746         VectorSet(PRVM_clientglobalvector(particle_color1), (theme->color1 >> 16) & 0xFF, (theme->color1 >> 8) & 0xFF, (theme->color1 >> 0) & 0xFF);
2747         VectorSet(PRVM_clientglobalvector(particle_color2), (theme->color2 >> 16) & 0xFF, (theme->color2 >> 8) & 0xFF, (theme->color2 >> 0) & 0xFF);
2748         PRVM_clientglobalfloat(particle_tex) = (prvm_vec_t)theme->tex;
2749         PRVM_clientglobalfloat(particle_size) = theme->size;
2750         PRVM_clientglobalfloat(particle_sizeincrease) = theme->sizeincrease;
2751         PRVM_clientglobalfloat(particle_alpha) = theme->alpha/256;
2752         PRVM_clientglobalfloat(particle_alphafade) = theme->alphafade/256;
2753         PRVM_clientglobalfloat(particle_time) = theme->lifetime;
2754         PRVM_clientglobalfloat(particle_gravity) = theme->gravity;
2755         PRVM_clientglobalfloat(particle_bounce) = theme->bounce;
2756         PRVM_clientglobalfloat(particle_airfriction) = theme->airfriction;
2757         PRVM_clientglobalfloat(particle_liquidfriction) = theme->liquidfriction;
2758         PRVM_clientglobalfloat(particle_originjitter) = theme->originjitter;
2759         PRVM_clientglobalfloat(particle_velocityjitter) = theme->velocityjitter;
2760         PRVM_clientglobalfloat(particle_qualityreduction) = theme->qualityreduction;
2761         PRVM_clientglobalfloat(particle_stretch) = theme->stretch;
2762         VectorSet(PRVM_clientglobalvector(particle_staincolor1), ((int)theme->staincolor1 >> 16) & 0xFF, ((int)theme->staincolor1 >> 8) & 0xFF, ((int)theme->staincolor1 >> 0) & 0xFF);
2763         VectorSet(PRVM_clientglobalvector(particle_staincolor2), ((int)theme->staincolor2 >> 16) & 0xFF, ((int)theme->staincolor2 >> 8) & 0xFF, ((int)theme->staincolor2 >> 0) & 0xFF);
2764         PRVM_clientglobalfloat(particle_staintex) = (prvm_vec_t)theme->staintex;
2765         PRVM_clientglobalfloat(particle_stainalpha) = (prvm_vec_t)theme->stainalpha/256;
2766         PRVM_clientglobalfloat(particle_stainsize) = (prvm_vec_t)theme->stainsize;
2767         PRVM_clientglobalfloat(particle_delayspawn) = theme->delayspawn;
2768         PRVM_clientglobalfloat(particle_delaycollision) = theme->delaycollision;
2769         PRVM_clientglobalfloat(particle_angle) = theme->angle;
2770         PRVM_clientglobalfloat(particle_spin) = theme->spin;
2771 }
2772
2773 // QC globals ->  particle theme
2774 static void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme, prvm_prog_t *prog)
2775 {
2776         theme->typeindex = (unsigned short)PRVM_clientglobalfloat(particle_type);
2777         theme->blendmode = (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode);
2778         theme->orientation = (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation);
2779         theme->color1 = ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]);
2780         theme->color2 = ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]);
2781         theme->tex = (int)PRVM_clientglobalfloat(particle_tex);
2782         theme->size = PRVM_clientglobalfloat(particle_size);
2783         theme->sizeincrease = PRVM_clientglobalfloat(particle_sizeincrease);
2784         theme->alpha = PRVM_clientglobalfloat(particle_alpha)*256;
2785         theme->alphafade = PRVM_clientglobalfloat(particle_alphafade)*256;
2786         theme->lifetime = PRVM_clientglobalfloat(particle_time);
2787         theme->gravity = PRVM_clientglobalfloat(particle_gravity);
2788         theme->bounce = PRVM_clientglobalfloat(particle_bounce);
2789         theme->airfriction = PRVM_clientglobalfloat(particle_airfriction);
2790         theme->liquidfriction = PRVM_clientglobalfloat(particle_liquidfriction);
2791         theme->originjitter = PRVM_clientglobalfloat(particle_originjitter);
2792         theme->velocityjitter = PRVM_clientglobalfloat(particle_velocityjitter);
2793         theme->qualityreduction = PRVM_clientglobalfloat(particle_qualityreduction) != 0 ? true : false;
2794         theme->stretch = PRVM_clientglobalfloat(particle_stretch);
2795         theme->staincolor1 = ((int)PRVM_clientglobalvector(particle_staincolor1)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor1)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor1)[2]);
2796         theme->staincolor2 = (int)(PRVM_clientglobalvector(particle_staincolor2)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor2)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor2)[2]);
2797         theme->staintex =(int)PRVM_clientglobalfloat(particle_staintex);
2798         theme->stainalpha = PRVM_clientglobalfloat(particle_stainalpha)*256;
2799         theme->stainsize = PRVM_clientglobalfloat(particle_stainsize);
2800         theme->delayspawn = PRVM_clientglobalfloat(particle_delayspawn);
2801         theme->delaycollision = PRVM_clientglobalfloat(particle_delaycollision);
2802         theme->angle = PRVM_clientglobalfloat(particle_angle);
2803         theme->spin = PRVM_clientglobalfloat(particle_spin);
2804 }
2805
2806 // init particle spawner interface
2807 // # float(float max_themes) initparticlespawner
2808 static void VM_CL_InitParticleSpawner (prvm_prog_t *prog)
2809 {
2810         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_InitParticleSpawner);
2811         VM_InitParticleSpawner(prog, (int)PRVM_G_FLOAT(OFS_PARM0));
2812         vmpartspawner.themes[0].initialized = true;
2813         VM_ResetParticleTheme(&vmpartspawner.themes[0]);
2814         PRVM_G_FLOAT(OFS_RETURN) = (vmpartspawner.verified == true) ? 1 : 0;
2815 }
2816
2817 // void() resetparticle
2818 static void VM_CL_ResetParticle (prvm_prog_t *prog)
2819 {
2820         VM_SAFEPARMCOUNT(0, VM_CL_ResetParticle);
2821         if (vmpartspawner.verified == false)
2822         {
2823                 VM_Warning(prog, "VM_CL_ResetParticle: particle spawner not initialized\n");
2824                 return;
2825         }
2826         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2827 }
2828
2829 // void(float themenum) particletheme
2830 static void VM_CL_ParticleTheme (prvm_prog_t *prog)
2831 {
2832         int themenum;
2833
2834         VM_SAFEPARMCOUNT(1, VM_CL_ParticleTheme);
2835         if (vmpartspawner.verified == false)
2836         {
2837                 VM_Warning(prog, "VM_CL_ParticleTheme: particle spawner not initialized\n");
2838                 return;
2839         }
2840         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2841         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2842         {
2843                 VM_Warning(prog, "VM_CL_ParticleTheme: bad theme number %i\n", themenum);
2844                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2845                 return;
2846         }
2847         if (vmpartspawner.themes[themenum].initialized == false)
2848         {
2849                 VM_Warning(prog, "VM_CL_ParticleTheme: theme #%i not exists\n", themenum);
2850                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2851                 return;
2852         }
2853         // load particle theme into globals
2854         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[themenum], prog);
2855 }
2856
2857 // float() saveparticletheme
2858 // void(float themenum) updateparticletheme
2859 static void VM_CL_ParticleThemeSave (prvm_prog_t *prog)
2860 {
2861         int themenum;
2862
2863         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_ParticleThemeSave);
2864         if (vmpartspawner.verified == false)
2865         {
2866                 VM_Warning(prog, "VM_CL_ParticleThemeSave: particle spawner not initialized\n");
2867                 return;
2868         }
2869         // allocate new theme, save it and return
2870         if (prog->argc < 1)
2871         {
2872                 for (themenum = 0; themenum < vmpartspawner.max_themes; themenum++)
2873                         if (vmpartspawner.themes[themenum].initialized == false)
2874                                 break;
2875                 if (themenum >= vmpartspawner.max_themes)
2876                 {
2877                         if (vmpartspawner.max_themes == 2048)
2878                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots\n");
2879                         else
2880                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots, try initparticlespawner() with highter max_themes\n");
2881                         PRVM_G_FLOAT(OFS_RETURN) = -1;
2882                         return;
2883                 }
2884                 vmpartspawner.themes[themenum].initialized = true;
2885                 VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum], prog);
2886                 PRVM_G_FLOAT(OFS_RETURN) = themenum;
2887                 return;
2888         }
2889         // update existing theme
2890         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2891         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2892         {
2893                 VM_Warning(prog, "VM_CL_ParticleThemeSave: bad theme number %i\n", themenum);
2894                 return;
2895         }
2896         vmpartspawner.themes[themenum].initialized = true;
2897         VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum], prog);
2898 }
2899
2900 // void(float themenum) freeparticletheme
2901 static void VM_CL_ParticleThemeFree (prvm_prog_t *prog)
2902 {
2903         int themenum;
2904
2905         VM_SAFEPARMCOUNT(1, VM_CL_ParticleThemeFree);
2906         if (vmpartspawner.verified == false)
2907         {
2908                 VM_Warning(prog, "VM_CL_ParticleThemeFree: particle spawner not initialized\n");
2909                 return;
2910         }
2911         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2912         // check parms
2913         if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2914         {
2915                 VM_Warning(prog, "VM_CL_ParticleThemeFree: bad theme number %i\n", themenum);
2916                 return;
2917         }
2918         if (vmpartspawner.themes[themenum].initialized == false)
2919         {
2920                 VM_Warning(prog, "VM_CL_ParticleThemeFree: theme #%i already freed\n", themenum);
2921                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2922                 return;
2923         }
2924         // free theme
2925         VM_ResetParticleTheme(&vmpartspawner.themes[themenum]);
2926         vmpartspawner.themes[themenum].initialized = false;
2927 }
2928
2929 // float(vector org, vector dir, [float theme]) particle
2930 // returns 0 if failed, 1 if succesful
2931 static void VM_CL_SpawnParticle (prvm_prog_t *prog)
2932 {
2933         vec3_t org, dir;
2934         vmparticletheme_t *theme;
2935         particle_t *part;
2936         int themenum;
2937
2938         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_SpawnParticle2);
2939         if (vmpartspawner.verified == false)
2940         {
2941                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
2942                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2943                 return;
2944         }
2945         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
2946         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
2947         
2948         if (prog->argc < 3) // global-set particle
2949         {
2950                 part = CL_NewParticle(org,
2951                         (unsigned short)PRVM_clientglobalfloat(particle_type),
2952                         ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]),
2953                         ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]),
2954                         (int)PRVM_clientglobalfloat(particle_tex),
2955                         PRVM_clientglobalfloat(particle_size),
2956                         PRVM_clientglobalfloat(particle_sizeincrease),
2957                         PRVM_clientglobalfloat(particle_alpha)*256,
2958                         PRVM_clientglobalfloat(particle_alphafade)*256,
2959                         PRVM_clientglobalfloat(particle_gravity),
2960                         PRVM_clientglobalfloat(particle_bounce),
2961                         org[0],
2962                         org[1],
2963                         org[2],
2964                         dir[0],
2965                         dir[1],
2966                         dir[2],
2967                         PRVM_clientglobalfloat(particle_airfriction),
2968                         PRVM_clientglobalfloat(particle_liquidfriction),
2969                         PRVM_clientglobalfloat(particle_originjitter),
2970                         PRVM_clientglobalfloat(particle_velocityjitter),
2971                         (PRVM_clientglobalfloat(particle_qualityreduction)) ? true : false,
2972                         PRVM_clientglobalfloat(particle_time),
2973                         PRVM_clientglobalfloat(particle_stretch),
2974                         (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode),
2975                         (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation),
2976                         (int)(PRVM_clientglobalvector(particle_staincolor1)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor1)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor1)[2]),
2977                         (int)(PRVM_clientglobalvector(particle_staincolor2)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor2)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor2)[2]),
2978                         (int)PRVM_clientglobalfloat(particle_staintex),
2979                         PRVM_clientglobalfloat(particle_stainalpha)*256,
2980                         PRVM_clientglobalfloat(particle_stainsize),
2981                         PRVM_clientglobalfloat(particle_angle),
2982                         PRVM_clientglobalfloat(particle_spin),
2983                         NULL);
2984                 if (!part)
2985                 {
2986                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2987                         return;
2988                 }
2989                 if (PRVM_clientglobalfloat(particle_delayspawn))
2990                         part->delayedspawn = cl.time + PRVM_clientglobalfloat(particle_delayspawn);
2991                 //if (PRVM_clientglobalfloat(particle_delaycollision))
2992                 //      part->delayedcollisions = cl.time + PRVM_clientglobalfloat(particle_delaycollision);
2993         }
2994         else // quick themed particle
2995         {
2996                 themenum = (int)PRVM_G_FLOAT(OFS_PARM2);
2997                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2998                 {
2999                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
3000                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
3001                         return;
3002                 }
3003                 theme = &vmpartspawner.themes[themenum];
3004                 part = CL_NewParticle(org,
3005                         theme->typeindex,
3006                         theme->color1,
3007                         theme->color2,
3008                         theme->tex,
3009                         theme->size,
3010                         theme->sizeincrease,
3011                         theme->alpha,
3012                         theme->alphafade,
3013                         theme->gravity,
3014                         theme->bounce,
3015                         org[0],
3016                         org[1],
3017                         org[2],
3018                         dir[0],
3019                         dir[1],
3020                         dir[2],
3021                         theme->airfriction,
3022                         theme->liquidfriction,
3023                         theme->originjitter,
3024                         theme->velocityjitter,
3025                         theme->qualityreduction,
3026                         theme->lifetime,
3027                         theme->stretch,
3028                         theme->blendmode,
3029                         theme->orientation,
3030                         theme->staincolor1,
3031                         theme->staincolor2,
3032                         theme->staintex,
3033                         theme->stainalpha,
3034                         theme->stainsize,
3035                         theme->angle,
3036                         theme->spin,
3037                         NULL);
3038                 if (!part)
3039                 {
3040                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
3041                         return;
3042                 }
3043                 if (theme->delayspawn)
3044                         part->delayedspawn = cl.time + theme->delayspawn;
3045                 //if (theme->delaycollision)
3046                 //      part->delayedcollisions = cl.time + theme->delaycollision;
3047         }
3048         PRVM_G_FLOAT(OFS_RETURN) = 1; 
3049 }
3050
3051 // float(vector org, vector dir, float spawndelay, float collisiondelay, [float theme]) delayedparticle
3052 // returns 0 if failed, 1 if success
3053 static void VM_CL_SpawnParticleDelayed (prvm_prog_t *prog)
3054 {
3055         vec3_t org, dir;
3056         vmparticletheme_t *theme;
3057         particle_t *part;
3058         int themenum;
3059
3060         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_SpawnParticle2);
3061         if (vmpartspawner.verified == false)
3062         {
3063                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
3064                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3065                 return;
3066         }
3067         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
3068         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
3069         if (prog->argc < 5) // global-set particle
3070                 part = CL_NewParticle(org,
3071                         (unsigned short)PRVM_clientglobalfloat(particle_type),
3072                         ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]),
3073                         ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]),
3074                         (int)PRVM_clientglobalfloat(particle_tex),
3075                         PRVM_clientglobalfloat(particle_size),
3076                         PRVM_clientglobalfloat(particle_sizeincrease),
3077                         PRVM_clientglobalfloat(particle_alpha)*256,
3078                         PRVM_clientglobalfloat(particle_alphafade)*256,
3079                         PRVM_clientglobalfloat(particle_gravity),
3080                         PRVM_clientglobalfloat(particle_bounce),
3081                         org[0],
3082                         org[1],
3083                         org[2],
3084                         dir[0],
3085                         dir[1],
3086                         dir[2],
3087                         PRVM_clientglobalfloat(particle_airfriction),
3088                         PRVM_clientglobalfloat(particle_liquidfriction),
3089                         PRVM_clientglobalfloat(particle_originjitter),
3090                         PRVM_clientglobalfloat(particle_velocityjitter),
3091                         (PRVM_clientglobalfloat(particle_qualityreduction)) ? true : false,
3092                         PRVM_clientglobalfloat(particle_time),
3093                         PRVM_clientglobalfloat(particle_stretch),
3094                         (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode),
3095                         (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation),
3096                         ((int)PRVM_clientglobalvector(particle_staincolor1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_staincolor1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_staincolor1)[2]),
3097                         ((int)PRVM_clientglobalvector(particle_staincolor2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_staincolor2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_staincolor2)[2]),
3098                         (int)PRVM_clientglobalfloat(particle_staintex),
3099                         PRVM_clientglobalfloat(particle_stainalpha)*256,
3100                         PRVM_clientglobalfloat(particle_stainsize),
3101                         PRVM_clientglobalfloat(particle_angle),
3102                         PRVM_clientglobalfloat(particle_spin),
3103                         NULL);
3104         else // themed particle
3105         {
3106                 themenum = (int)PRVM_G_FLOAT(OFS_PARM4);
3107                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
3108                 {
3109                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
3110                         PRVM_G_FLOAT(OFS_RETURN) = 0;  
3111                         return;
3112                 }
3113                 theme = &vmpartspawner.themes[themenum];
3114                 part = CL_NewParticle(org,
3115                         theme->typeindex,
3116                         theme->color1,
3117                         theme->color2,
3118                         theme->tex,
3119                         theme->size,
3120                         theme->sizeincrease,
3121                         theme->alpha,
3122                         theme->alphafade,
3123                         theme->gravity,
3124                         theme->bounce,
3125                         org[0],
3126                         org[1],
3127                         org[2],
3128                         dir[0],
3129                         dir[1],
3130                         dir[2],
3131                         theme->airfriction,
3132                         theme->liquidfriction,
3133                         theme->originjitter,
3134                         theme->velocityjitter,
3135                         theme->qualityreduction,
3136                         theme->lifetime,
3137                         theme->stretch,
3138                         theme->blendmode,
3139                         theme->orientation,
3140                         theme->staincolor1,
3141                         theme->staincolor2,
3142                         theme->staintex,
3143                         theme->stainalpha,
3144                         theme->stainsize,
3145                         theme->angle,
3146                         theme->spin,
3147                         NULL);
3148         }
3149         if (!part) 
3150         { 
3151                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3152                 return; 
3153         }
3154         part->delayedspawn = cl.time + PRVM_G_FLOAT(OFS_PARM2);
3155         //part->delayedcollisions = cl.time + PRVM_G_FLOAT(OFS_PARM3);
3156         PRVM_G_FLOAT(OFS_RETURN) = 0;
3157 }
3158
3159 //====================
3160 //CSQC engine entities query
3161 //====================
3162
3163 // float(float entitynum, float whatfld) getentity;
3164 // vector(float entitynum, float whatfld) getentityvec;
3165 // querying engine-drawn entity
3166 // VorteX: currently it's only tested with whatfld = 1..7
3167 static void VM_CL_GetEntity (prvm_prog_t *prog)
3168 {
3169         int entnum, fieldnum;
3170         vec3_t forward, left, up, org;
3171         VM_SAFEPARMCOUNT(2, VM_CL_GetEntityVec);
3172
3173         entnum = PRVM_G_FLOAT(OFS_PARM0);
3174         if (entnum < 0 || entnum >= cl.num_entities)
3175         {
3176                 PRVM_G_FLOAT(OFS_RETURN) = 0;
3177                 return;
3178         }
3179         fieldnum = PRVM_G_FLOAT(OFS_PARM1);
3180         switch(fieldnum)
3181         {
3182                 case 0: // active state
3183                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities_active[entnum];
3184                         break;
3185                 case 1: // origin
3186                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3187                         VectorCopy(org, PRVM_G_VECTOR(OFS_RETURN));
3188                         break; 
3189                 case 2: // forward
3190                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3191                         VectorCopy(forward, PRVM_G_VECTOR(OFS_RETURN));
3192                         break;
3193                 case 3: // right
3194                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3195                         VectorNegate(left, PRVM_G_VECTOR(OFS_RETURN));
3196                         break;
3197                 case 4: // up
3198                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3199                         VectorCopy(up, PRVM_G_VECTOR(OFS_RETURN));
3200                         break;
3201                 case 5: // scale
3202                         PRVM_G_FLOAT(OFS_RETURN) = Matrix4x4_ScaleFromMatrix(&cl.entities[entnum].render.matrix);
3203                         break;  
3204                 case 6: // origin + v_forward, v_right, v_up
3205                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3206                         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
3207                         VectorNegate(left, PRVM_clientglobalvector(v_right));
3208                         VectorCopy(up, PRVM_clientglobalvector(v_up));
3209                         VectorCopy(org, PRVM_G_VECTOR(OFS_RETURN));
3210                         break;  
3211                 case 7: // alpha
3212                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.alpha;
3213                         break;  
3214                 case 8: // colormor
3215                         VectorCopy(cl.entities[entnum].render.colormod, PRVM_G_VECTOR(OFS_RETURN));
3216                         break;
3217                 case 9: // pants colormod
3218                         VectorCopy(cl.entities[entnum].render.colormap_pantscolor, PRVM_G_VECTOR(OFS_RETURN));
3219                         break;
3220                 case 10: // shirt colormod
3221                         VectorCopy(cl.entities[entnum].render.colormap_shirtcolor, PRVM_G_VECTOR(OFS_RETURN));
3222                         break;
3223                 case 11: // skinnum
3224                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.skinnum;
3225                         break;  
3226                 case 12: // mins
3227                         VectorCopy(cl.entities[entnum].render.mins, PRVM_G_VECTOR(OFS_RETURN));         
3228                         break;  
3229                 case 13: // maxs
3230                         VectorCopy(cl.entities[entnum].render.maxs, PRVM_G_VECTOR(OFS_RETURN));         
3231                         break;  
3232                 case 14: // absmin
3233                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3234                         VectorAdd(cl.entities[entnum].render.mins, org, PRVM_G_VECTOR(OFS_RETURN));             
3235                         break;  
3236                 case 15: // absmax
3237                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3238                         VectorAdd(cl.entities[entnum].render.maxs, org, PRVM_G_VECTOR(OFS_RETURN));             
3239                         break;
3240                 case 16: // light
3241                         VectorMA(cl.entities[entnum].render.modellight_ambient, 0.5, cl.entities[entnum].render.modellight_diffuse, PRVM_G_VECTOR(OFS_RETURN));
3242                         break;  
3243                 default:
3244                         PRVM_G_FLOAT(OFS_RETURN) = 0;
3245                         break;
3246         }
3247 }
3248
3249 //====================
3250 //QC POLYGON functions
3251 //====================
3252
3253 //#304 void() renderscene (EXT_CSQC)
3254 // moved that here to reset the polygons,
3255 // resetting them earlier causes R_Mesh_Draw to be called with numvertices = 0
3256 // --blub
3257 static void VM_CL_R_RenderScene (prvm_prog_t *prog)
3258 {
3259         double t = Sys_DirtyTime();
3260         vmpolygons_t *polys = &prog->vmpolygons;
3261         VM_SAFEPARMCOUNT(0, VM_CL_R_RenderScene);
3262
3263         // update the views
3264         if(r_refdef.view.ismain)
3265         {
3266                 // set the main view
3267                 csqc_main_r_refdef_view = r_refdef.view;
3268
3269                 // clear the flags so no other view becomes "main" unless CSQC sets VF_MAINVIEW
3270                 r_refdef.view.ismain = false;
3271                 csqc_original_r_refdef_view.ismain = false;
3272         }
3273
3274         // we need to update any RENDER_VIEWMODEL entities at this point because
3275         // csqc supplies its own view matrix
3276         CL_UpdateViewEntities();
3277
3278         // now draw stuff!
3279         R_RenderView();
3280
3281         polys->num_vertices = polys->num_triangles = 0;
3282
3283         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
3284         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
3285         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
3286 }
3287
3288 static void VM_ResizePolygons(vmpolygons_t *polys)
3289 {
3290         float *oldvertex3f = polys->data_vertex3f;
3291         float *oldcolor4f = polys->data_color4f;
3292         float *oldtexcoord2f = polys->data_texcoord2f;
3293         vmpolygons_triangle_t *oldtriangles = polys->data_triangles;
3294         unsigned short *oldsortedelement3s = polys->data_sortedelement3s;
3295         polys->max_vertices = min(polys->max_triangles*3, 65536);
3296         polys->data_vertex3f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[3]));
3297         polys->data_color4f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[4]));
3298         polys->data_texcoord2f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[2]));
3299         polys->data_triangles = (vmpolygons_triangle_t *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(vmpolygons_triangle_t));
3300         polys->data_sortedelement3s = (unsigned short *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(unsigned short[3]));
3301         if (polys->num_vertices)
3302         {
3303                 memcpy(polys->data_vertex3f, oldvertex3f, polys->num_vertices*sizeof(float[3]));
3304                 memcpy(polys->data_color4f, oldcolor4f, polys->num_vertices*sizeof(float[4]));
3305                 memcpy(polys->data_texcoord2f, oldtexcoord2f, polys->num_vertices*sizeof(float[2]));
3306         }
3307         if (polys->num_triangles)
3308         {
3309                 memcpy(polys->data_triangles, oldtriangles, polys->num_triangles*sizeof(vmpolygons_triangle_t));
3310                 memcpy(polys->data_sortedelement3s, oldsortedelement3s, polys->num_triangles*sizeof(unsigned short[3]));
3311         }
3312         if (oldvertex3f)
3313                 Mem_Free(oldvertex3f);
3314         if (oldcolor4f)
3315                 Mem_Free(oldcolor4f);
3316         if (oldtexcoord2f)
3317                 Mem_Free(oldtexcoord2f);
3318         if (oldtriangles)
3319                 Mem_Free(oldtriangles);
3320         if (oldsortedelement3s)
3321                 Mem_Free(oldsortedelement3s);
3322 }
3323
3324 static void VM_InitPolygons (vmpolygons_t* polys)
3325 {
3326         memset(polys, 0, sizeof(*polys));
3327         polys->pool = Mem_AllocPool("VMPOLY", 0, NULL);
3328         polys->max_triangles = 1024;
3329         VM_ResizePolygons(polys);
3330         polys->initialized = true;
3331 }
3332
3333 static void VM_DrawPolygonCallback (const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
3334 {
3335         int surfacelistindex;
3336         vmpolygons_t *polys = (vmpolygons_t *)ent;
3337 //      R_Mesh_ResetTextureState();
3338         R_EntityMatrix(&identitymatrix);
3339         GL_CullFace(GL_NONE);
3340         GL_DepthTest(true); // polys in 3D space shall always have depth test
3341         GL_DepthRange(0, 1);
3342         R_Mesh_PrepareVertices_Generic_Arrays(polys->num_vertices, polys->data_vertex3f, polys->data_color4f, polys->data_texcoord2f);
3343
3344         for (surfacelistindex = 0;surfacelistindex < numsurfaces;)
3345         {
3346                 int numtriangles = 0;
3347                 rtexture_t *tex = polys->data_triangles[surfacelist[surfacelistindex]].texture;
3348                 int drawflag = polys->data_triangles[surfacelist[surfacelistindex]].drawflag;
3349                 DrawQ_ProcessDrawFlag(drawflag, polys->data_triangles[surfacelist[surfacelistindex]].hasalpha);
3350                 R_SetupShader_Generic(tex, NULL, GL_MODULATE, 1, false, false, false);
3351                 numtriangles = 0;
3352                 for (;surfacelistindex < numsurfaces;surfacelistindex++)
3353                 {
3354                         if (polys->data_triangles[surfacelist[surfacelistindex]].texture != tex || polys->data_triangles[surfacelist[surfacelistindex]].drawflag != drawflag)
3355                                 break;
3356                         VectorCopy(polys->data_triangles[surfacelist[surfacelistindex]].elements, polys->data_sortedelement3s + 3*numtriangles);
3357                         numtriangles++;
3358                 }
3359                 R_Mesh_Draw(0, polys->num_vertices, 0, numtriangles, NULL, NULL, 0, polys->data_sortedelement3s, NULL, 0);
3360         }
3361 }
3362
3363 static void VMPolygons_Store(vmpolygons_t *polys)
3364 {
3365         qboolean hasalpha;
3366         int i;
3367
3368         // detect if we have alpha
3369         hasalpha = polys->begin_texture_hasalpha;
3370         for(i = 0; !hasalpha && (i < polys->begin_vertices); ++i)
3371                 if(polys->begin_color[i][3] < 1)
3372                         hasalpha = true;
3373
3374         if (polys->begin_draw2d)
3375         {
3376                 // draw the polygon as 2D immediately
3377                 drawqueuemesh_t mesh;
3378                 mesh.texture = polys->begin_texture;
3379                 mesh.num_vertices = polys->begin_vertices;
3380                 mesh.num_triangles = polys->begin_vertices-2;
3381                 mesh.data_element3i = polygonelement3i;
3382                 mesh.data_element3s = polygonelement3s;
3383                 mesh.data_vertex3f = polys->begin_vertex[0];
3384                 mesh.data_color4f = polys->begin_color[0];
3385                 mesh.data_texcoord2f = polys->begin_texcoord[0];
3386                 DrawQ_Mesh(&mesh, polys->begin_drawflag, hasalpha);
3387         }
3388         else
3389         {
3390                 // queue the polygon as 3D for sorted transparent rendering later
3391                 int i;
3392                 if (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3393                 {
3394                         while (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3395                                 polys->max_triangles *= 2;
3396                         VM_ResizePolygons(polys);
3397                 }
3398                 if (polys->num_vertices + polys->begin_vertices <= polys->max_vertices)
3399                 {
3400                         // needle in a haystack!
3401                         // polys->num_vertices was used for copying where we actually want to copy begin_vertices
3402                         // that also caused it to not render the first polygon that is added
3403                         // --blub
3404                         memcpy(polys->data_vertex3f + polys->num_vertices * 3, polys->begin_vertex[0], polys->begin_vertices * sizeof(float[3]));
3405                         memcpy(polys->data_color4f + polys->num_vertices * 4, polys->begin_color[0], polys->begin_vertices * sizeof(float[4]));
3406                         memcpy(polys->data_texcoord2f + polys->num_vertices * 2, polys->begin_texcoord[0], polys->begin_vertices * sizeof(float[2]));
3407                         for (i = 0;i < polys->begin_vertices-2;i++)
3408                         {
3409                                 polys->data_triangles[polys->num_triangles].texture = polys->begin_texture;
3410                                 polys->data_triangles[polys->num_triangles].drawflag = polys->begin_drawflag;
3411                                 polys->data_triangles[polys->num_triangles].elements[0] = polys->num_vertices;
3412                                 polys->data_triangles[polys->num_triangles].elements[1] = polys->num_vertices + i+1;
3413                                 polys->data_triangles[polys->num_triangles].elements[2] = polys->num_vertices + i+2;
3414                                 polys->data_triangles[polys->num_triangles].hasalpha = hasalpha;
3415                                 polys->num_triangles++;
3416                         }
3417                         polys->num_vertices += polys->begin_vertices;
3418                 }
3419         }
3420         polys->begin_active = false;
3421 }
3422
3423 // TODO: move this into the client code and clean-up everything else, too! [1/6/2008 Black]
3424 // LordHavoc: agreed, this is a mess
3425 void VM_CL_AddPolygonsToMeshQueue (prvm_prog_t *prog)
3426 {
3427         int i;
3428         vmpolygons_t *polys = &prog->vmpolygons;
3429         vec3_t center;
3430
3431         // only add polygons of the currently active prog to the queue - if there is none, we're done
3432         if( !prog )
3433                 return;
3434
3435         if (!polys->num_triangles)
3436                 return;
3437
3438         for (i = 0;i < polys->num_triangles;i++)
3439         {
3440                 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);
3441                 R_MeshQueue_AddTransparent(TRANSPARENTSORT_DISTANCE, center, VM_DrawPolygonCallback, (entity_render_t *)polys, i, NULL);
3442         }
3443
3444         /*polys->num_triangles = 0; // now done after rendering the scene,
3445           polys->num_vertices = 0;  // otherwise it's not rendered at all and prints an error message --blub */
3446 }
3447
3448 //void(string texturename, float flag[, float is2d]) R_BeginPolygon
3449 static void VM_CL_R_PolygonBegin (prvm_prog_t *prog)
3450 {
3451         const char              *picname;
3452         skinframe_t     *sf;
3453         vmpolygons_t *polys = &prog->vmpolygons;
3454         int tf;
3455
3456         // TODO instead of using skinframes here (which provides the benefit of
3457         // better management of flags, and is more suited for 3D rendering), what
3458         // about supporting Q3 shaders?
3459
3460         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_R_PolygonBegin);
3461
3462         if (!polys->initialized)
3463                 VM_InitPolygons(polys);
3464         if (polys->begin_active)
3465         {
3466                 VM_Warning(prog, "VM_CL_R_PolygonBegin: called twice without VM_CL_R_PolygonBegin after first\n");
3467                 return;
3468         }
3469         picname = PRVM_G_STRING(OFS_PARM0);
3470
3471         sf = NULL;
3472         if(*picname)
3473         {
3474                 tf = TEXF_ALPHA;
3475                 if((int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MIPMAP)
3476                         tf |= TEXF_MIPMAP;
3477
3478                 do
3479                 {
3480                         sf = R_SkinFrame_FindNextByName(sf, picname);
3481                 }
3482                 while(sf && sf->textureflags != tf);
3483
3484                 if(!sf || !sf->base)
3485                         sf = R_SkinFrame_LoadExternal(picname, tf, true);
3486
3487                 if(sf)
3488                         R_SkinFrame_MarkUsed(sf);
3489         }
3490
3491         polys->begin_texture = (sf && sf->base) ? sf->base : r_texture_white;
3492         polys->begin_texture_hasalpha = (sf && sf->base) ? sf->hasalpha : false;
3493         polys->begin_drawflag = (int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MASK;
3494         polys->begin_vertices = 0;
3495         polys->begin_active = true;
3496         polys->begin_draw2d = (prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : r_refdef.draw2dstage);
3497 }
3498
3499 //void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
3500 static void VM_CL_R_PolygonVertex (prvm_prog_t *prog)
3501 {
3502         vmpolygons_t *polys = &prog->vmpolygons;
3503
3504         VM_SAFEPARMCOUNT(4, VM_CL_R_PolygonVertex);
3505
3506         if (!polys->begin_active)
3507         {
3508                 VM_Warning(prog, "VM_CL_R_PolygonVertex: VM_CL_R_PolygonBegin wasn't called\n");
3509                 return;
3510         }
3511
3512         if (polys->begin_vertices >= VMPOLYGONS_MAXPOINTS)
3513         {
3514                 VM_Warning(prog, "VM_CL_R_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3515                 return;
3516         }
3517
3518         polys->begin_vertex[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM0)[0];
3519         polys->begin_vertex[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM0)[1];
3520         polys->begin_vertex[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM0)[2];
3521         polys->begin_texcoord[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM1)[0];
3522         polys->begin_texcoord[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM1)[1];
3523         polys->begin_color[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM2)[0];
3524         polys->begin_color[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM2)[1];
3525         polys->begin_color[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM2)[2];
3526         polys->begin_color[polys->begin_vertices][3] = PRVM_G_FLOAT(OFS_PARM3);
3527         polys->begin_vertices++;
3528 }
3529
3530 //void() R_EndPolygon
3531 static void VM_CL_R_PolygonEnd (prvm_prog_t *prog)
3532 {
3533         vmpolygons_t *polys = &prog->vmpolygons;
3534
3535         VM_SAFEPARMCOUNT(0, VM_CL_R_PolygonEnd);
3536         if (!polys->begin_active)
3537         {
3538                 VM_Warning(prog, "VM_CL_R_PolygonEnd: VM_CL_R_PolygonBegin wasn't called\n");
3539                 return;
3540         }
3541         polys->begin_active = false;
3542         if (polys->begin_vertices >= 3)
3543                 VMPolygons_Store(polys);
3544         else
3545                 VM_Warning(prog, "VM_CL_R_PolygonEnd: %i vertices isn't a good choice\n", polys->begin_vertices);
3546 }
3547
3548 static vmpolygons_t debugPolys;
3549
3550 void Debug_PolygonBegin(const char *picname, int drawflag)
3551 {
3552         if(!debugPolys.initialized)
3553                 VM_InitPolygons(&debugPolys);
3554         if(debugPolys.begin_active)
3555         {
3556                 Con_Printf("Debug_PolygonBegin: called twice without Debug_PolygonEnd after first\n");
3557                 return;
3558         }
3559         debugPolys.begin_texture = picname[0] ? Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT)->tex : r_texture_white;
3560         debugPolys.begin_drawflag = drawflag;
3561         debugPolys.begin_vertices = 0;
3562         debugPolys.begin_active = true;
3563 }
3564
3565 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a)
3566 {
3567         if(!debugPolys.begin_active)
3568         {
3569                 Con_Printf("Debug_PolygonVertex: Debug_PolygonBegin wasn't called\n");
3570                 return;
3571         }
3572
3573         if(debugPolys.begin_vertices > VMPOLYGONS_MAXPOINTS)
3574         {
3575                 Con_Printf("Debug_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3576                 return;
3577         }
3578
3579         debugPolys.begin_vertex[debugPolys.begin_vertices][0] = x;
3580         debugPolys.begin_vertex[debugPolys.begin_vertices][1] = y;
3581         debugPolys.begin_vertex[debugPolys.begin_vertices][2] = z;
3582         debugPolys.begin_texcoord[debugPolys.begin_vertices][0] = s;
3583         debugPolys.begin_texcoord[debugPolys.begin_vertices][1] = t;
3584         debugPolys.begin_color[debugPolys.begin_vertices][0] = r;
3585         debugPolys.begin_color[debugPolys.begin_vertices][1] = g;
3586         debugPolys.begin_color[debugPolys.begin_vertices][2] = b;
3587         debugPolys.begin_color[debugPolys.begin_vertices][3] = a;
3588         debugPolys.begin_vertices++;
3589 }
3590
3591 void Debug_PolygonEnd(void)
3592 {
3593         if (!debugPolys.begin_active)
3594         {
3595                 Con_Printf("Debug_PolygonEnd: Debug_PolygonBegin wasn't called\n");
3596                 return;
3597         }
3598         debugPolys.begin_active = false;
3599         if (debugPolys.begin_vertices >= 3)
3600                 VMPolygons_Store(&debugPolys);
3601         else
3602                 Con_Printf("Debug_PolygonEnd: %i vertices isn't a good choice\n", debugPolys.begin_vertices);
3603 }
3604
3605 /*
3606 =============
3607 CL_CheckBottom
3608
3609 Returns false if any part of the bottom of the entity is off an edge that
3610 is not a staircase.
3611
3612 =============
3613 */
3614 static qboolean CL_CheckBottom (prvm_edict_t *ent)
3615 {
3616         prvm_prog_t *prog = CLVM_prog;
3617         vec3_t  mins, maxs, start, stop;
3618         trace_t trace;
3619         int             x, y;
3620         float   mid, bottom;
3621
3622         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
3623         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
3624
3625 // if all of the points under the corners are solid world, don't bother
3626 // with the tougher checks
3627 // the corners must be within 16 of the midpoint
3628         start[2] = mins[2] - 1;
3629         for     (x=0 ; x<=1 ; x++)
3630                 for     (y=0 ; y<=1 ; y++)
3631                 {
3632                         start[0] = x ? maxs[0] : mins[0];
3633                         start[1] = y ? maxs[1] : mins[1];
3634                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
3635                                 goto realcheck;
3636                 }
3637
3638         return true;            // we got out easy
3639
3640 realcheck:
3641 //
3642 // check it for real...
3643 //
3644         start[2] = mins[2];
3645
3646 // the midpoint must be within 16 of the bottom
3647         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
3648         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
3649         stop[2] = start[2] - 2*sv_stepheight.value;
3650         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true, false);
3651
3652         if (trace.fraction == 1.0)
3653                 return false;
3654         mid = bottom = trace.endpos[2];
3655
3656 // the corners must be within 16 of the midpoint
3657         for     (x=0 ; x<=1 ; x++)
3658                 for     (y=0 ; y<=1 ; y++)
3659                 {
3660                         start[0] = stop[0] = x ? maxs[0] : mins[0];
3661                         start[1] = stop[1] = y ? maxs[1] : mins[1];
3662
3663                         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true, false);
3664
3665                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
3666                                 bottom = trace.endpos[2];
3667                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
3668                                 return false;
3669                 }
3670
3671         return true;
3672 }
3673
3674 /*
3675 =============
3676 CL_movestep
3677
3678 Called by monster program code.
3679 The move will be adjusted for slopes and stairs, but if the move isn't
3680 possible, no move is done and false is returned
3681 =============
3682 */
3683 static qboolean CL_movestep (prvm_edict_t *ent, vec3_t move, qboolean relink, qboolean noenemy, qboolean settrace)
3684 {
3685         prvm_prog_t *prog = CLVM_prog;
3686         float           dz;
3687         vec3_t          oldorg, neworg, end, traceendpos;
3688         vec3_t          mins, maxs, start;
3689         trace_t         trace;
3690         int                     i, svent;
3691         prvm_edict_t            *enemy;
3692
3693 // try the move
3694         VectorCopy(PRVM_clientedictvector(ent, mins), mins);
3695         VectorCopy(PRVM_clientedictvector(ent, maxs), maxs);
3696         VectorCopy (PRVM_clientedictvector(ent, origin), oldorg);
3697         VectorAdd (PRVM_clientedictvector(ent, origin), move, neworg);
3698
3699 // flying monsters don't step up
3700         if ( (int)PRVM_clientedictfloat(ent, flags) & (FL_SWIM | FL_FLY) )
3701         {
3702         // try one move with vertical motion, then one without
3703                 for (i=0 ; i<2 ; i++)
3704                 {
3705                         VectorAdd (PRVM_clientedictvector(ent, origin), move, neworg);
3706                         enemy = PRVM_PROG_TO_EDICT(PRVM_clientedictedict(ent, enemy));
3707                         if (i == 0 && enemy != prog->edicts)
3708                         {
3709                                 dz = PRVM_clientedictvector(ent, origin)[2] - PRVM_clientedictvector(PRVM_PROG_TO_EDICT(PRVM_clientedictedict(ent, enemy)), origin)[2];
3710                                 if (dz > 40)
3711                                         neworg[2] -= 8;
3712                                 if (dz < 30)
3713                                         neworg[2] += 8;
3714                         }
3715                         VectorCopy(PRVM_clientedictvector(ent, origin), start);
3716                         trace = CL_TraceBox(start, mins, maxs, neworg, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3717                         if (settrace)
3718                                 CL_VM_SetTraceGlobals(prog, &trace, svent);
3719
3720                         if (trace.fraction == 1)
3721                         {
3722                                 VectorCopy(trace.endpos, traceendpos);
3723                                 if (((int)PRVM_clientedictfloat(ent, flags) & FL_SWIM) && !(CL_PointSuperContents(traceendpos) & SUPERCONTENTS_LIQUIDSMASK))
3724                                         return false;   // swim monster left water
3725
3726                                 VectorCopy (traceendpos, PRVM_clientedictvector(ent, origin));
3727                                 if (relink)
3728                                         CL_LinkEdict(ent);
3729                                 return true;
3730                         }
3731
3732                         if (enemy == prog->edicts)
3733                                 break;
3734                 }
3735
3736                 return false;
3737         }
3738
3739 // push down from a step height above the wished position
3740         neworg[2] += sv_stepheight.value;
3741         VectorCopy (neworg, end);
3742         end[2] -= sv_stepheight.value*2;
3743
3744         trace = CL_TraceBox(neworg, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3745         if (settrace)
3746                 CL_VM_SetTraceGlobals(prog, &trace, svent);
3747
3748         if (trace.startsolid)
3749         {
3750                 neworg[2] -= sv_stepheight.value;
3751                 trace = CL_TraceBox(neworg, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3752                 if (settrace)
3753                         CL_VM_SetTraceGlobals(prog, &trace, svent);
3754                 if (trace.startsolid)
3755                         return false;
3756         }
3757         if (trace.fraction == 1)
3758         {
3759         // if monster had the ground pulled out, go ahead and fall
3760                 if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3761                 {
3762                         VectorAdd (PRVM_clientedictvector(ent, origin), move, PRVM_clientedictvector(ent, origin));
3763                         if (relink)
3764                                 CL_LinkEdict(ent);
3765                         PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) & ~FL_ONGROUND;
3766                         return true;
3767                 }
3768
3769                 return false;           // walked off an edge
3770         }
3771
3772 // check point traces down for dangling corners
3773         VectorCopy (trace.endpos, PRVM_clientedictvector(ent, origin));
3774
3775         if (!CL_CheckBottom (ent))
3776         {
3777                 if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3778                 {       // entity had floor mostly pulled out from underneath it
3779                         // and is trying to correct
3780                         if (relink)
3781                                 CL_LinkEdict(ent);
3782                         return true;
3783                 }
3784                 VectorCopy (oldorg, PRVM_clientedictvector(ent, origin));
3785                 return false;
3786         }
3787
3788         if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3789                 PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) & ~FL_PARTIALGROUND;
3790
3791         PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
3792
3793 // the move is ok
3794         if (relink)
3795                 CL_LinkEdict(ent);
3796         return true;
3797 }
3798
3799 /*
3800 ===============
3801 VM_CL_walkmove
3802
3803 float(float yaw, float dist[, settrace]) walkmove
3804 ===============
3805 */
3806 static void VM_CL_walkmove (prvm_prog_t *prog)
3807 {
3808         prvm_edict_t    *ent;
3809         float   yaw, dist;
3810         vec3_t  move;
3811         mfunction_t     *oldf;
3812         int     oldself;
3813         qboolean        settrace;
3814
3815         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_walkmove);
3816
3817         // assume failure if it returns early
3818         PRVM_G_FLOAT(OFS_RETURN) = 0;
3819
3820         ent = PRVM_PROG_TO_EDICT(PRVM_clientglobaledict(self));
3821         if (ent == prog->edicts)
3822         {
3823                 VM_Warning(prog, "walkmove: can not modify world entity\n");
3824                 return;
3825         }
3826         if (ent->priv.server->free)
3827         {
3828                 VM_Warning(prog, "walkmove: can not modify free entity\n");
3829                 return;
3830         }
3831         yaw = PRVM_G_FLOAT(OFS_PARM0);
3832         dist = PRVM_G_FLOAT(OFS_PARM1);
3833         settrace = prog->argc >= 3 && PRVM_G_FLOAT(OFS_PARM2);
3834
3835         if ( !( (int)PRVM_clientedictfloat(ent, flags) & (FL_ONGROUND|FL_FLY|FL_SWIM) ) )
3836                 return;
3837
3838         yaw = yaw*M_PI*2 / 360;
3839
3840         move[0] = cos(yaw)*dist;
3841         move[1] = sin(yaw)*dist;
3842         move[2] = 0;
3843
3844 // save program state, because CL_movestep may call other progs
3845         oldf = prog->xfunction;
3846         oldself = PRVM_clientglobaledict(self);
3847
3848         PRVM_G_FLOAT(OFS_RETURN) = CL_movestep(ent, move, true, false, settrace);
3849
3850
3851 // restore program state
3852         prog->xfunction = oldf;
3853         PRVM_clientglobaledict(self) = oldself;
3854 }
3855
3856 /*
3857 ===============
3858 VM_CL_serverkey
3859
3860 string(string key) serverkey
3861 ===============
3862 */
3863 static void VM_CL_serverkey(prvm_prog_t *prog)
3864 {
3865         char string[VM_STRINGTEMP_LENGTH];
3866         VM_SAFEPARMCOUNT(1, VM_CL_serverkey);
3867         InfoString_GetValue(cl.qw_serverinfo, PRVM_G_STRING(OFS_PARM0), string, sizeof(string));
3868         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
3869 }
3870
3871 /*
3872 =================
3873 VM_CL_checkpvs
3874
3875 Checks if an entity is in a point's PVS.
3876 Should be fast but can be inexact.
3877
3878 float checkpvs(vector viewpos, entity viewee) = #240;