remove unused variable
[xonotic/darkplaces.git] / clvm_cmds.c
1 #include "quakedef.h"
2
3 #include "prvm_cmds.h"
4 #include "csprogs.h"
5 #include "cl_collision.h"
6 #include "r_shadow.h"
7 #include "jpeg.h"
8 #include "image.h"
9
10 //============================================================================
11 // Client
12 //[515]: unsolved PROBLEMS
13 //- finish player physics code (cs_runplayerphysics)
14 //- EntWasFreed ?
15 //- RF_DEPTHHACK is not like it should be
16 //- add builtin that sets cl.viewangles instead of reading "input_angles" global
17 //- finish lines support for R_Polygon***
18 //- insert selecttraceline into traceline somehow
19
20 //4 feature darkplaces csqc: add builtin to clientside qc for reading triangles of model meshes (useful to orient a ui along a triangle of a model mesh)
21 //4 feature darkplaces csqc: add builtins to clientside qc for gl calls
22
23 extern cvar_t v_flipped;
24 extern cvar_t r_equalize_entities_fullbright;
25
26 r_refdef_view_t csqc_original_r_refdef_view;
27 r_refdef_view_t csqc_main_r_refdef_view;
28
29 // #1 void(vector ang) makevectors
30 static void VM_CL_makevectors (prvm_prog_t *prog)
31 {
32         vec3_t angles, forward, right, up;
33         VM_SAFEPARMCOUNT(1, VM_CL_makevectors);
34         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), angles);
35         AngleVectors(angles, forward, right, up);
36         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
37         VectorCopy(right, PRVM_clientglobalvector(v_right));
38         VectorCopy(up, PRVM_clientglobalvector(v_up));
39 }
40
41 // #2 void(entity e, vector o) setorigin
42 static void VM_CL_setorigin (prvm_prog_t *prog)
43 {
44         prvm_edict_t    *e;
45         prvm_vec_t      *org;
46         VM_SAFEPARMCOUNT(2, VM_CL_setorigin);
47
48         e = PRVM_G_EDICT(OFS_PARM0);
49         if (e == prog->edicts)
50         {
51                 VM_Warning(prog, "setorigin: can not modify world entity\n");
52                 return;
53         }
54         if (e->priv.required->free)
55         {
56                 VM_Warning(prog, "setorigin: can not modify free entity\n");
57                 return;
58         }
59         org = PRVM_G_VECTOR(OFS_PARM1);
60         VectorCopy (org, PRVM_clientedictvector(e, origin));
61         if(e->priv.required->mark == PRVM_EDICT_MARK_WAIT_FOR_SETORIGIN)
62                 e->priv.required->mark = PRVM_EDICT_MARK_SETORIGIN_CAUGHT;
63         CL_LinkEdict(e);
64 }
65
66 static void SetMinMaxSizePRVM (prvm_prog_t *prog, prvm_edict_t *e, prvm_vec_t *min, prvm_vec_t *max)
67 {
68         int             i;
69
70         for (i=0 ; i<3 ; i++)
71                 if (min[i] > max[i])
72                         prog->error_cmd("SetMinMaxSize: backwards mins/maxs");
73
74         // set derived values
75         VectorCopy (min, PRVM_clientedictvector(e, mins));
76         VectorCopy (max, PRVM_clientedictvector(e, maxs));
77         VectorSubtract (max, min, PRVM_clientedictvector(e, size));
78
79         CL_LinkEdict (e);
80 }
81
82 static void SetMinMaxSize (prvm_prog_t *prog, prvm_edict_t *e, const vec_t *min, const vec_t *max)
83 {
84         prvm_vec3_t mins, maxs;
85         VectorCopy(min, mins);
86         VectorCopy(max, maxs);
87         SetMinMaxSizePRVM(prog, e, mins, maxs);
88 }
89
90 // #3 void(entity e, string m) setmodel
91 static void VM_CL_setmodel (prvm_prog_t *prog)
92 {
93         prvm_edict_t    *e;
94         const char              *m;
95         dp_model_t *mod;
96         int                             i;
97
98         VM_SAFEPARMCOUNT(2, VM_CL_setmodel);
99
100         e = PRVM_G_EDICT(OFS_PARM0);
101         PRVM_clientedictfloat(e, modelindex) = 0;
102         PRVM_clientedictstring(e, model) = 0;
103
104         m = PRVM_G_STRING(OFS_PARM1);
105         mod = NULL;
106         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
107         {
108                 if (!strcmp(cl.csqc_model_precache[i]->name, m))
109                 {
110                         mod = cl.csqc_model_precache[i];
111                         PRVM_clientedictstring(e, model) = PRVM_SetEngineString(prog, mod->name);
112                         PRVM_clientedictfloat(e, modelindex) = -(i+1);
113                         break;
114                 }
115         }
116
117         if( !mod ) {
118                 for (i = 0;i < MAX_MODELS;i++)
119                 {
120                         mod = cl.model_precache[i];
121                         if (mod && !strcmp(mod->name, m))
122                         {
123                                 PRVM_clientedictstring(e, model) = PRVM_SetEngineString(prog, mod->name);
124                                 PRVM_clientedictfloat(e, modelindex) = i;
125                                 break;
126                         }
127                 }
128         }
129
130         if( mod ) {
131                 // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
132                 // LordHavoc: erm you broke it by commenting this out - setmodel must do setsize or else the qc can't find out the model size, and ssqc does this by necessity, consistency.
133                 SetMinMaxSize (prog, e, mod->normalmins, mod->normalmaxs);
134         }
135         else
136         {
137                 SetMinMaxSize (prog, e, vec3_origin, vec3_origin);
138                 VM_Warning(prog, "setmodel: model '%s' not precached\n", m);
139         }
140 }
141
142 // #4 void(entity e, vector min, vector max) setsize
143 static void VM_CL_setsize (prvm_prog_t *prog)
144 {
145         prvm_edict_t    *e;
146         vec3_t          mins, maxs;
147         VM_SAFEPARMCOUNT(3, VM_CL_setsize);
148
149         e = PRVM_G_EDICT(OFS_PARM0);
150         if (e == prog->edicts)
151         {
152                 VM_Warning(prog, "setsize: can not modify world entity\n");
153                 return;
154         }
155         if (e->priv.server->free)
156         {
157                 VM_Warning(prog, "setsize: can not modify free entity\n");
158                 return;
159         }
160         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), mins);
161         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), maxs);
162
163         SetMinMaxSize( prog, e, mins, maxs );
164
165         CL_LinkEdict(e);
166 }
167
168 // #8 void(entity e, float chan, string samp, float volume, float atten) sound
169 static void VM_CL_sound (prvm_prog_t *prog)
170 {
171         const char                      *sample;
172         int                                     channel;
173         prvm_edict_t            *entity;
174         float                           volume;
175         float                           attenuation;
176         float pitchchange;
177         /*
178         int flags;
179         */
180         vec3_t                          org;
181
182         VM_SAFEPARMCOUNTRANGE(5, 7, VM_CL_sound);
183
184         entity = PRVM_G_EDICT(OFS_PARM0);
185         channel = (int)PRVM_G_FLOAT(OFS_PARM1);
186         sample = PRVM_G_STRING(OFS_PARM2);
187         volume = PRVM_G_FLOAT(OFS_PARM3);
188         attenuation = PRVM_G_FLOAT(OFS_PARM4);
189
190         if (volume < 0 || volume > 1)
191         {
192                 VM_Warning(prog, "VM_CL_sound: volume must be in range 0-1\n");
193                 return;
194         }
195
196         if (attenuation < 0 || attenuation > 4)
197         {
198                 VM_Warning(prog, "VM_CL_sound: attenuation must be in range 0-4\n");
199                 return;
200         }
201
202         if (prog->argc < 6)
203                 pitchchange = 0;
204         else
205                 pitchchange = PRVM_G_FLOAT(OFS_PARM5);
206         // ignoring prog->argc < 7 for now (no flags supported yet)
207
208         /*
209         if (prog->argc < 7)
210                 flags = 0;
211         else
212                 flags = PRVM_G_FLOAT(OFS_PARM6);
213         */
214
215         channel = CHAN_USER2ENGINE(channel);
216
217         if (!IS_CHAN(channel))
218         {
219                 VM_Warning(prog, "VM_CL_sound: channel must be in range 0-127\n");
220                 return;
221         }
222
223         // TODO currently the only flag defined in the interface is
224         // SOUNDFLAG_RELIABLE. This one makes no sense at all from CSQC.
225         // We want to, in a later extension, expose more flags.
226
227         CL_VM_GetEntitySoundOrigin(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), org);
228         S_StartSound_StartPosition_Flags(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), channel, S_FindName(sample), org, volume, attenuation, 0, 0, pitchchange > 0.0f ? pitchchange * 0.01f : 1.0f);
229 }
230
231 // #483 void(vector origin, string sample, float volume, float attenuation) pointsound
232 static void VM_CL_pointsound(prvm_prog_t *prog)
233 {
234         const char                      *sample;
235         float                           volume;
236         float                           attenuation;
237         vec3_t                          org;
238
239         VM_SAFEPARMCOUNT(4, VM_CL_pointsound);
240
241         VectorCopy( PRVM_G_VECTOR(OFS_PARM0), org);
242         sample = PRVM_G_STRING(OFS_PARM1);
243         volume = PRVM_G_FLOAT(OFS_PARM2);
244         attenuation = PRVM_G_FLOAT(OFS_PARM3);
245
246         if (volume < 0 || volume > 1)
247         {
248                 VM_Warning(prog, "VM_CL_pointsound: volume must be in range 0-1\n");
249                 return;
250         }
251
252         if (attenuation < 0 || attenuation > 4)
253         {
254                 VM_Warning(prog, "VM_CL_pointsound: attenuation must be in range 0-4\n");
255                 return;
256         }
257
258         // Send World Entity as Entity to Play Sound (for CSQC, that is MAX_EDICTS)
259         S_StartSound(MAX_EDICTS, 0, S_FindName(sample), org, volume, attenuation);
260 }
261
262 // #14 entity() spawn
263 static void VM_CL_spawn (prvm_prog_t *prog)
264 {
265         prvm_edict_t *ed;
266         ed = PRVM_ED_Alloc(prog);
267         VM_RETURN_EDICT(ed);
268 }
269
270 static void CL_VM_SetTraceGlobals(prvm_prog_t *prog, const trace_t *trace, int svent)
271 {
272         VM_SetTraceGlobals(prog, trace);
273         PRVM_clientglobalfloat(trace_networkentity) = svent;
274 }
275
276 #define CL_HitNetworkBrushModels(move) !((move) == MOVE_WORLDONLY)
277 #define CL_HitNetworkPlayers(move)     !((move) == MOVE_WORLDONLY || (move) == MOVE_NOMONSTERS)
278
279 // #16 void(vector v1, vector v2, float movetype, entity ignore) traceline
280 static void VM_CL_traceline (prvm_prog_t *prog)
281 {
282         vec3_t  v1, v2;
283         trace_t trace;
284         int             move, svent;
285         prvm_edict_t    *ent;
286
287 //      R_TimeReport("pretraceline");
288
289         VM_SAFEPARMCOUNTRANGE(4, 4, VM_CL_traceline);
290
291         prog->xfunction->builtinsprofile += 30;
292
293         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), v1);
294         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), v2);
295         move = (int)PRVM_G_FLOAT(OFS_PARM2);
296         ent = PRVM_G_EDICT(OFS_PARM3);
297
298         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]))
299                 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));
300
301         trace = CL_TraceLine(v1, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true, false);
302
303         CL_VM_SetTraceGlobals(prog, &trace, svent);
304 //      R_TimeReport("traceline");
305 }
306
307 /*
308 =================
309 VM_CL_tracebox
310
311 Used for use tracing and shot targeting
312 Traces are blocked by bbox and exact bsp entityes, and also slide box entities
313 if the tryents flag is set.
314
315 tracebox (vector1, vector mins, vector maxs, vector2, tryents)
316 =================
317 */
318 // LordHavoc: added this for my own use, VERY useful, similar to traceline
319 static void VM_CL_tracebox (prvm_prog_t *prog)
320 {
321         vec3_t  v1, v2, m1, m2;
322         trace_t trace;
323         int             move, svent;
324         prvm_edict_t    *ent;
325
326 //      R_TimeReport("pretracebox");
327         VM_SAFEPARMCOUNTRANGE(6, 8, VM_CL_tracebox); // allow more parameters for future expansion
328
329         prog->xfunction->builtinsprofile += 30;
330
331         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), v1);
332         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), m1);
333         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), m2);
334         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), v2);
335         move = (int)PRVM_G_FLOAT(OFS_PARM4);
336         ent = PRVM_G_EDICT(OFS_PARM5);
337
338         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]))
339                 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));
340
341         trace = CL_TraceBox(v1, m1, m2, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
342
343         CL_VM_SetTraceGlobals(prog, &trace, svent);
344 //      R_TimeReport("tracebox");
345 }
346
347 static trace_t CL_Trace_Toss (prvm_prog_t *prog, prvm_edict_t *tossent, prvm_edict_t *ignore, int *svent)
348 {
349         int i;
350         float gravity;
351         vec3_t start, end, mins, maxs, move;
352         vec3_t original_origin;
353         vec3_t original_velocity;
354         vec3_t original_angles;
355         vec3_t original_avelocity;
356         trace_t trace;
357
358         VectorCopy(PRVM_clientedictvector(tossent, origin)   , original_origin   );
359         VectorCopy(PRVM_clientedictvector(tossent, velocity) , original_velocity );
360         VectorCopy(PRVM_clientedictvector(tossent, angles)   , original_angles   );
361         VectorCopy(PRVM_clientedictvector(tossent, avelocity), original_avelocity);
362
363         gravity = PRVM_clientedictfloat(tossent, gravity);
364         if (!gravity)
365                 gravity = 1.0f;
366         gravity *= cl.movevars_gravity * 0.05;
367
368         for (i = 0;i < 200;i++) // LordHavoc: sanity check; never trace more than 10 seconds
369         {
370                 PRVM_clientedictvector(tossent, velocity)[2] -= gravity;
371                 VectorMA (PRVM_clientedictvector(tossent, angles), 0.05, PRVM_clientedictvector(tossent, avelocity), PRVM_clientedictvector(tossent, angles));
372                 VectorScale (PRVM_clientedictvector(tossent, velocity), 0.05, move);
373                 VectorAdd (PRVM_clientedictvector(tossent, origin), move, end);
374                 VectorCopy(PRVM_clientedictvector(tossent, origin), start);
375                 VectorCopy(PRVM_clientedictvector(tossent, mins), mins);
376                 VectorCopy(PRVM_clientedictvector(tossent, maxs), maxs);
377                 trace = CL_TraceBox(start, mins, maxs, end, MOVE_NORMAL, tossent, CL_GenericHitSuperContentsMask(tossent), true, true, NULL, true);
378                 VectorCopy (trace.endpos, PRVM_clientedictvector(tossent, origin));
379
380                 if (trace.fraction < 1)
381                         break;
382         }
383
384         VectorCopy(original_origin   , PRVM_clientedictvector(tossent, origin)   );
385         VectorCopy(original_velocity , PRVM_clientedictvector(tossent, velocity) );
386         VectorCopy(original_angles   , PRVM_clientedictvector(tossent, angles)   );
387         VectorCopy(original_avelocity, PRVM_clientedictvector(tossent, avelocity));
388
389         return trace;
390 }
391
392 static void VM_CL_tracetoss (prvm_prog_t *prog)
393 {
394         trace_t trace;
395         prvm_edict_t    *ent;
396         prvm_edict_t    *ignore;
397         int svent = 0;
398
399         prog->xfunction->builtinsprofile += 600;
400
401         VM_SAFEPARMCOUNT(2, VM_CL_tracetoss);
402
403         ent = PRVM_G_EDICT(OFS_PARM0);
404         if (ent == prog->edicts)
405         {
406                 VM_Warning(prog, "tracetoss: can not use world entity\n");
407                 return;
408         }
409         ignore = PRVM_G_EDICT(OFS_PARM1);
410
411         trace = CL_Trace_Toss (prog, ent, ignore, &svent);
412
413         CL_VM_SetTraceGlobals(prog, &trace, svent);
414 }
415
416
417 // #20 void(string s) precache_model
418 static void VM_CL_precache_model (prvm_prog_t *prog)
419 {
420         const char      *name;
421         int                     i;
422         dp_model_t              *m;
423
424         VM_SAFEPARMCOUNT(1, VM_CL_precache_model);
425
426         name = PRVM_G_STRING(OFS_PARM0);
427         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
428         {
429                 if(!strcmp(cl.csqc_model_precache[i]->name, name))
430                 {
431                         PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
432                         return;
433                 }
434         }
435         PRVM_G_FLOAT(OFS_RETURN) = 0;
436         m = Mod_ForName(name, false, false, name[0] == '*' ? cl.model_name[1] : NULL);
437         if(m && m->loaded)
438         {
439                 for (i = 0;i < MAX_MODELS;i++)
440                 {
441                         if (!cl.csqc_model_precache[i])
442                         {
443                                 cl.csqc_model_precache[i] = (dp_model_t*)m;
444                                 PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
445                                 return;
446                         }
447                 }
448                 VM_Warning(prog, "VM_CL_precache_model: no free models\n");
449                 return;
450         }
451         VM_Warning(prog, "VM_CL_precache_model: model \"%s\" not found\n", name);
452 }
453
454 static int CSQC_EntitiesInBox (prvm_prog_t *prog, vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
455 {
456         prvm_edict_t    *ent;
457         int                             i, k;
458
459         ent = PRVM_NEXT_EDICT(prog->edicts);
460         for(k=0,i=1; i<prog->num_edicts ;i++, ent = PRVM_NEXT_EDICT(ent))
461         {
462                 if (ent->priv.required->free)
463                         continue;
464                 if(BoxesOverlap(mins, maxs, PRVM_clientedictvector(ent, absmin), PRVM_clientedictvector(ent, absmax)))
465                         list[k++] = ent;
466         }
467         return k;
468 }
469
470 // #22 entity(vector org, float rad) findradius
471 static void VM_CL_findradius (prvm_prog_t *prog)
472 {
473         prvm_edict_t    *ent, *chain;
474         vec_t                   radius, radius2;
475         vec3_t                  org, eorg, mins, maxs;
476         int                             i, numtouchedicts;
477         static prvm_edict_t     *touchedicts[MAX_EDICTS];
478         int             chainfield;
479
480         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_findradius);
481
482         if(prog->argc == 3)
483                 chainfield = PRVM_G_INT(OFS_PARM2);
484         else
485                 chainfield = prog->fieldoffsets.chain;
486         if(chainfield < 0)
487                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
488
489         chain = (prvm_edict_t *)prog->edicts;
490
491         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
492         radius = PRVM_G_FLOAT(OFS_PARM1);
493         radius2 = radius * radius;
494
495         mins[0] = org[0] - (radius + 1);
496         mins[1] = org[1] - (radius + 1);
497         mins[2] = org[2] - (radius + 1);
498         maxs[0] = org[0] + (radius + 1);
499         maxs[1] = org[1] + (radius + 1);
500         maxs[2] = org[2] + (radius + 1);
501         numtouchedicts = CSQC_EntitiesInBox(prog, mins, maxs, MAX_EDICTS, touchedicts);
502         if (numtouchedicts > MAX_EDICTS)
503         {
504                 // this never happens   //[515]: for what then ?
505                 Con_Printf("CSQC_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
506                 numtouchedicts = MAX_EDICTS;
507         }
508         for (i = 0;i < numtouchedicts;i++)
509         {
510                 ent = touchedicts[i];
511                 // Quake did not return non-solid entities but darkplaces does
512                 // (note: this is the reason you can't blow up fallen zombies)
513                 if (PRVM_clientedictfloat(ent, solid) == SOLID_NOT && !sv_gameplayfix_blowupfallenzombies.integer)
514                         continue;
515                 // LordHavoc: compare against bounding box rather than center so it
516                 // doesn't miss large objects, and use DotProduct instead of Length
517                 // for a major speedup
518                 VectorSubtract(org, PRVM_clientedictvector(ent, origin), eorg);
519                 if (sv_gameplayfix_findradiusdistancetobox.integer)
520                 {
521                         eorg[0] -= bound(PRVM_clientedictvector(ent, mins)[0], eorg[0], PRVM_clientedictvector(ent, maxs)[0]);
522                         eorg[1] -= bound(PRVM_clientedictvector(ent, mins)[1], eorg[1], PRVM_clientedictvector(ent, maxs)[1]);
523                         eorg[2] -= bound(PRVM_clientedictvector(ent, mins)[2], eorg[2], PRVM_clientedictvector(ent, maxs)[2]);
524                 }
525                 else
526                         VectorMAMAM(1, eorg, -0.5f, PRVM_clientedictvector(ent, mins), -0.5f, PRVM_clientedictvector(ent, maxs), eorg);
527                 if (DotProduct(eorg, eorg) < radius2)
528                 {
529                         PRVM_EDICTFIELDEDICT(ent, chainfield) = PRVM_EDICT_TO_PROG(chain);
530                         chain = ent;
531                 }
532         }
533
534         VM_RETURN_EDICT(chain);
535 }
536
537 // #34 float() droptofloor
538 static void VM_CL_droptofloor (prvm_prog_t *prog)
539 {
540         prvm_edict_t            *ent;
541         vec3_t                          start, end, mins, maxs;
542         trace_t                         trace;
543
544         VM_SAFEPARMCOUNTRANGE(0, 2, VM_CL_droptofloor); // allow 2 parameters because the id1 defs.qc had an incorrect prototype
545
546         // assume failure if it returns early
547         PRVM_G_FLOAT(OFS_RETURN) = 0;
548
549         ent = PRVM_PROG_TO_EDICT(PRVM_clientglobaledict(self));
550         if (ent == prog->edicts)
551         {
552                 VM_Warning(prog, "droptofloor: can not modify world entity\n");
553                 return;
554         }
555         if (ent->priv.server->free)
556         {
557                 VM_Warning(prog, "droptofloor: can not modify free entity\n");
558                 return;
559         }
560
561         VectorCopy(PRVM_clientedictvector(ent, origin), start);
562         VectorCopy(PRVM_clientedictvector(ent, mins), mins);
563         VectorCopy(PRVM_clientedictvector(ent, maxs), maxs);
564         VectorCopy(PRVM_clientedictvector(ent, origin), end);
565         end[2] -= 256;
566
567         trace = CL_TraceBox(start, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
568
569         if (trace.fraction != 1)
570         {
571                 VectorCopy (trace.endpos, PRVM_clientedictvector(ent, origin));
572                 PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) | FL_ONGROUND;
573                 PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
574                 PRVM_G_FLOAT(OFS_RETURN) = 1;
575                 // if support is destroyed, keep suspended (gross hack for floating items in various maps)
576 //              ent->priv.server->suspendedinairflag = true;
577         }
578 }
579
580 // #35 void(float style, string value) lightstyle
581 static void VM_CL_lightstyle (prvm_prog_t *prog)
582 {
583         int                     i;
584         const char      *c;
585
586         VM_SAFEPARMCOUNT(2, VM_CL_lightstyle);
587
588         i = (int)PRVM_G_FLOAT(OFS_PARM0);
589         c = PRVM_G_STRING(OFS_PARM1);
590         if (i >= cl.max_lightstyle)
591         {
592                 VM_Warning(prog, "VM_CL_lightstyle >= MAX_LIGHTSTYLES\n");
593                 return;
594         }
595         strlcpy (cl.lightstyle[i].map, c, sizeof (cl.lightstyle[i].map));
596         cl.lightstyle[i].map[MAX_STYLESTRING - 1] = 0;
597         cl.lightstyle[i].length = (int)strlen(cl.lightstyle[i].map);
598 }
599
600 // #40 float(entity e) checkbottom
601 static void VM_CL_checkbottom (prvm_prog_t *prog)
602 {
603         static int              cs_yes, cs_no;
604         prvm_edict_t    *ent;
605         vec3_t                  mins, maxs, start, stop;
606         trace_t                 trace;
607         int                             x, y;
608         float                   mid, bottom;
609
610         VM_SAFEPARMCOUNT(1, VM_CL_checkbottom);
611         ent = PRVM_G_EDICT(OFS_PARM0);
612         PRVM_G_FLOAT(OFS_RETURN) = 0;
613
614         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
615         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
616
617 // if all of the points under the corners are solid world, don't bother
618 // with the tougher checks
619 // the corners must be within 16 of the midpoint
620         start[2] = mins[2] - 1;
621         for     (x=0 ; x<=1 ; x++)
622                 for     (y=0 ; y<=1 ; y++)
623                 {
624                         start[0] = x ? maxs[0] : mins[0];
625                         start[1] = y ? maxs[1] : mins[1];
626                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
627                                 goto realcheck;
628                 }
629
630         cs_yes++;
631         PRVM_G_FLOAT(OFS_RETURN) = true;
632         return;         // we got out easy
633
634 realcheck:
635         cs_no++;
636 //
637 // check it for real...
638 //
639         start[2] = mins[2];
640
641 // the midpoint must be within 16 of the bottom
642         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
643         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
644         stop[2] = start[2] - 2*sv_stepheight.value;
645         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true, false);
646
647         if (trace.fraction == 1.0)
648                 return;
649
650         mid = bottom = trace.endpos[2];
651
652 // the corners must be within 16 of the midpoint
653         for     (x=0 ; x<=1 ; x++)
654                 for     (y=0 ; y<=1 ; y++)
655                 {
656                         start[0] = stop[0] = x ? maxs[0] : mins[0];
657                         start[1] = stop[1] = y ? maxs[1] : mins[1];
658
659                         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true, false);
660
661                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
662                                 bottom = trace.endpos[2];
663                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
664                                 return;
665                 }
666
667         cs_yes++;
668         PRVM_G_FLOAT(OFS_RETURN) = true;
669 }
670
671 // #41 float(vector v) pointcontents
672 static void VM_CL_pointcontents (prvm_prog_t *prog)
673 {
674         vec3_t point;
675         VM_SAFEPARMCOUNT(1, VM_CL_pointcontents);
676         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), point);
677         PRVM_G_FLOAT(OFS_RETURN) = Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CL_PointSuperContents(point));
678 }
679
680 // #48 void(vector o, vector d, float color, float count) particle
681 static void VM_CL_particle (prvm_prog_t *prog)
682 {
683         vec3_t org, dir;
684         int             count;
685         unsigned char   color;
686         VM_SAFEPARMCOUNT(4, VM_CL_particle);
687
688         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
689         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
690         color = (int)PRVM_G_FLOAT(OFS_PARM2);
691         count = (int)PRVM_G_FLOAT(OFS_PARM3);
692         CL_ParticleEffect(EFFECT_SVC_PARTICLE, count, org, org, dir, dir, NULL, color);
693 }
694
695 // #74 void(vector pos, string samp, float vol, float atten) ambientsound
696 static void VM_CL_ambientsound (prvm_prog_t *prog)
697 {
698         vec3_t f;
699         sfx_t   *s;
700         VM_SAFEPARMCOUNT(4, VM_CL_ambientsound);
701         s = S_FindName(PRVM_G_STRING(OFS_PARM0));
702         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f);
703         S_StaticSound (s, f, PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM3)*64);
704 }
705
706 // #92 vector(vector org[, float lpflag]) getlight (DP_QC_GETLIGHT)
707 static void VM_CL_getlight (prvm_prog_t *prog)
708 {
709         vec3_t ambientcolor, diffusecolor, diffusenormal;
710         vec3_t p;
711
712         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getlight);
713
714         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), p);
715         VectorClear(ambientcolor);
716         VectorClear(diffusecolor);
717         VectorClear(diffusenormal);
718         if (prog->argc >= 2)
719                 R_CompleteLightPoint(ambientcolor, diffusecolor, diffusenormal, p, PRVM_G_FLOAT(OFS_PARM1));
720         else if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
721                 cl.worldmodel->brush.LightPoint(cl.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
722         VectorMA(ambientcolor, 0.5, diffusecolor, PRVM_G_VECTOR(OFS_RETURN));
723         if (PRVM_clientglobalvector(getlight_ambient))
724                 VectorCopy(ambientcolor, PRVM_clientglobalvector(getlight_ambient));
725         if (PRVM_clientglobalvector(getlight_diffuse))
726                 VectorCopy(diffusecolor, PRVM_clientglobalvector(getlight_diffuse));
727         if (PRVM_clientglobalvector(getlight_dir))
728                 VectorCopy(diffusenormal, PRVM_clientglobalvector(getlight_dir));
729 }
730
731 //============================================================================
732 //[515]: SCENE MANAGER builtins
733
734 void CSQC_R_RecalcView (void)
735 {
736         extern matrix4x4_t viewmodelmatrix_nobob;
737         extern matrix4x4_t viewmodelmatrix_withbob;
738         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);
739         Matrix4x4_Copy(&viewmodelmatrix_nobob, &r_refdef.view.matrix);
740         Matrix4x4_ConcatScale(&viewmodelmatrix_nobob, cl_viewmodel_scale.value);
741         Matrix4x4_Concat(&viewmodelmatrix_withbob, &r_refdef.view.matrix, &cl.csqc_viewmodelmatrixfromengine);
742 }
743
744 //#300 void() clearscene (EXT_CSQC)
745 static void VM_CL_R_ClearScene (prvm_prog_t *prog)
746 {
747         VM_SAFEPARMCOUNT(0, VM_CL_R_ClearScene);
748         // clear renderable entity and light lists
749         r_refdef.scene.numentities = 0;
750         r_refdef.scene.numlights = 0;
751         // restore the view settings to the values that VM_CL_UpdateView received from the client code
752         r_refdef.view = csqc_original_r_refdef_view;
753         VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
754         VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
755         cl.csqc_vidvars.drawworld = r_drawworld.integer != 0;
756         cl.csqc_vidvars.drawenginesbar = false;
757         cl.csqc_vidvars.drawcrosshair = false;
758         CSQC_R_RecalcView();
759 }
760
761 //#301 void(float mask) addentities (EXT_CSQC)
762 static void VM_CL_R_AddEntities (prvm_prog_t *prog)
763 {
764         double t = Sys_DirtyTime();
765         int                     i, drawmask;
766         prvm_edict_t *ed;
767         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntities);
768         drawmask = (int)PRVM_G_FLOAT(OFS_PARM0);
769         CSQC_RelinkAllEntities(drawmask);
770         CL_RelinkLightFlashes();
771
772         PRVM_clientglobalfloat(time) = cl.time;
773         for(i=1;i<prog->num_edicts;i++)
774         {
775                 // so we can easily check if CSQC entity #edictnum is currently drawn
776                 cl.csqcrenderentities[i].entitynumber = 0;
777                 ed = &prog->edicts[i];
778                 if(ed->priv.required->free)
779                         continue;
780                 CSQC_Think(ed);
781                 if(ed->priv.required->free)
782                         continue;
783                 // note that for RF_USEAXIS entities, Predraw sets v_forward/v_right/v_up globals that are read by CSQC_AddRenderEdict
784                 CSQC_Predraw(ed);
785                 if(ed->priv.required->free)
786                         continue;
787                 if(!((int)PRVM_clientedictfloat(ed, drawmask) & drawmask))
788                         continue;
789                 CSQC_AddRenderEdict(ed, i);
790         }
791
792         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
793         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
794         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
795 }
796
797 //#302 void(entity ent) addentity (EXT_CSQC)
798 static void VM_CL_R_AddEntity (prvm_prog_t *prog)
799 {
800         double t = Sys_DirtyTime();
801         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntity);
802         CSQC_AddRenderEdict(PRVM_G_EDICT(OFS_PARM0), 0);
803         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
804         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
805 }
806
807 //#303 float(float property, ...) setproperty (EXT_CSQC)
808 //#303 float(float property) getproperty
809 //#303 vector(float property) getpropertyvec
810 //#309 float(float property) getproperty
811 //#309 vector(float property) getpropertyvec
812 // VorteX: make this function be able to return previously set property if new value is not given
813 static void VM_CL_R_SetView (prvm_prog_t *prog)
814 {
815         int             c;
816         prvm_vec_t      *f;
817         float   k;
818
819         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_R_SetView);
820
821         c = (int)PRVM_G_FLOAT(OFS_PARM0);
822
823         // return value?
824         if (prog->argc < 2)
825         {
826                 switch(c)
827                 {
828                 case VF_MIN:
829                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.x, r_refdef.view.y, 0);
830                         break;
831                 case VF_MIN_X:
832                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.x;
833                         break;
834                 case VF_MIN_Y:
835                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.y;
836                         break;
837                 case VF_SIZE:
838                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.width, r_refdef.view.height, 0);
839                         break;
840                 case VF_SIZE_X:
841                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.width;
842                         break;
843                 case VF_SIZE_Y:
844                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.height;
845                         break;
846                 case VF_VIEWPORT:
847                         VM_Warning(prog, "VM_CL_R_GetView : VF_VIEWPORT can't be retrieved, use VF_MIN/VF_SIZE instead\n");
848                         break;
849                 case VF_FOV:
850                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.ortho_x, r_refdef.view.ortho_y, 0);
851                         break;
852                 case VF_FOVX:
853                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_x;
854                         break;
855                 case VF_FOVY:
856                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_y;
857                         break;
858                 case VF_ORIGIN:
859                         VectorCopy(cl.csqc_vieworigin, PRVM_G_VECTOR(OFS_RETURN));
860                         break;
861                 case VF_ORIGIN_X:
862                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[0];
863                         break;
864                 case VF_ORIGIN_Y:
865                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[1];
866                         break;
867                 case VF_ORIGIN_Z:
868                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[2];
869                         break;
870                 case VF_ANGLES:
871                         VectorCopy(cl.csqc_viewangles, PRVM_G_VECTOR(OFS_RETURN));
872                         break;
873                 case VF_ANGLES_X:
874                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[0];
875                         break;
876                 case VF_ANGLES_Y:
877                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[1];
878                         break;
879                 case VF_ANGLES_Z:
880                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[2];
881                         break;
882                 case VF_DRAWWORLD:
883                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawworld;
884                         break;
885                 case VF_DRAWENGINESBAR:
886                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawenginesbar;
887                         break;
888                 case VF_DRAWCROSSHAIR:
889                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawcrosshair;
890                         break;
891                 case VF_CL_VIEWANGLES:
892                         VectorCopy(cl.viewangles, PRVM_G_VECTOR(OFS_RETURN));;
893                         break;
894                 case VF_CL_VIEWANGLES_X:
895                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[0];
896                         break;
897                 case VF_CL_VIEWANGLES_Y:
898                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[1];
899                         break;
900                 case VF_CL_VIEWANGLES_Z:
901                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[2];
902                         break;
903                 case VF_PERSPECTIVE:
904                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.useperspective;
905                         break;
906                 case VF_CLEARSCREEN:
907                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.isoverlay;
908                         break;
909                 case VF_MAINVIEW:
910                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
911                         break;
912                 case VF_FOG_DENSITY:
913                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_density;
914                         break;
915                 case VF_FOG_COLOR:
916                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
917                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
918                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
919                         break;
920                 case VF_FOG_COLOR_R:
921                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
922                         break;
923                 case VF_FOG_COLOR_G:
924                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
925                         break;
926                 case VF_FOG_COLOR_B:
927                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
928                         break;
929                 case VF_FOG_ALPHA:
930                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_alpha;
931                         break;
932                 case VF_FOG_START:
933                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_start;
934                         break;
935                 case VF_FOG_END:
936                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_end;
937                         break;
938                 case VF_FOG_HEIGHT:
939                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_height;
940                         break;
941                 case VF_FOG_FADEDEPTH:
942                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_fadedepth;
943                         break;
944                 case VF_MINFPS_QUALITY:
945                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.quality;
946                         break;
947                 default:
948                         PRVM_G_FLOAT(OFS_RETURN) = 0;
949                         VM_Warning(prog, "VM_CL_R_GetView : unknown parm %i\n", c);
950                         return;
951                 }
952                 return;
953         }
954
955         f = PRVM_G_VECTOR(OFS_PARM1);
956         k = PRVM_G_FLOAT(OFS_PARM1);
957         switch(c)
958         {
959         case VF_MIN:
960                 r_refdef.view.x = (int)(f[0]);
961                 r_refdef.view.y = (int)(f[1]);
962                 DrawQ_RecalcView();
963                 break;
964         case VF_MIN_X:
965                 r_refdef.view.x = (int)(k);
966                 DrawQ_RecalcView();
967                 break;
968         case VF_MIN_Y:
969                 r_refdef.view.y = (int)(k);
970                 DrawQ_RecalcView();
971                 break;
972         case VF_SIZE:
973                 r_refdef.view.width = (int)(f[0]);
974                 r_refdef.view.height = (int)(f[1]);
975                 DrawQ_RecalcView();
976                 break;
977         case VF_SIZE_X:
978                 r_refdef.view.width = (int)(k);
979                 DrawQ_RecalcView();
980                 break;
981         case VF_SIZE_Y:
982                 r_refdef.view.height = (int)(k);
983                 DrawQ_RecalcView();
984                 break;
985         case VF_VIEWPORT:
986                 r_refdef.view.x = (int)(f[0]);
987                 r_refdef.view.y = (int)(f[1]);
988                 f = PRVM_G_VECTOR(OFS_PARM2);
989                 r_refdef.view.width = (int)(f[0]);
990                 r_refdef.view.height = (int)(f[1]);
991                 DrawQ_RecalcView();
992                 break;
993         case VF_FOV:
994                 r_refdef.view.frustum_x = tan(f[0] * M_PI / 360.0);r_refdef.view.ortho_x = f[0];
995                 r_refdef.view.frustum_y = tan(f[1] * M_PI / 360.0);r_refdef.view.ortho_y = f[1];
996                 break;
997         case VF_FOVX:
998                 r_refdef.view.frustum_x = tan(k * M_PI / 360.0);r_refdef.view.ortho_x = k;
999                 break;
1000         case VF_FOVY:
1001                 r_refdef.view.frustum_y = tan(k * M_PI / 360.0);r_refdef.view.ortho_y = k;
1002                 break;
1003         case VF_ORIGIN:
1004                 VectorCopy(f, cl.csqc_vieworigin);
1005                 CSQC_R_RecalcView();
1006                 break;
1007         case VF_ORIGIN_X:
1008                 cl.csqc_vieworigin[0] = k;
1009                 CSQC_R_RecalcView();
1010                 break;
1011         case VF_ORIGIN_Y:
1012                 cl.csqc_vieworigin[1] = k;
1013                 CSQC_R_RecalcView();
1014                 break;
1015         case VF_ORIGIN_Z:
1016                 cl.csqc_vieworigin[2] = k;
1017                 CSQC_R_RecalcView();
1018                 break;
1019         case VF_ANGLES:
1020                 VectorCopy(f, cl.csqc_viewangles);
1021                 CSQC_R_RecalcView();
1022                 break;
1023         case VF_ANGLES_X:
1024                 cl.csqc_viewangles[0] = k;
1025                 CSQC_R_RecalcView();
1026                 break;
1027         case VF_ANGLES_Y:
1028                 cl.csqc_viewangles[1] = k;
1029                 CSQC_R_RecalcView();
1030                 break;
1031         case VF_ANGLES_Z:
1032                 cl.csqc_viewangles[2] = k;
1033                 CSQC_R_RecalcView();
1034                 break;
1035         case VF_DRAWWORLD:
1036                 cl.csqc_vidvars.drawworld = ((k != 0) && r_drawworld.integer);
1037                 break;
1038         case VF_DRAWENGINESBAR:
1039                 cl.csqc_vidvars.drawenginesbar = k != 0;
1040                 break;
1041         case VF_DRAWCROSSHAIR:
1042                 cl.csqc_vidvars.drawcrosshair = k != 0;
1043                 break;
1044         case VF_CL_VIEWANGLES:
1045                 VectorCopy(f, cl.viewangles);
1046                 break;
1047         case VF_CL_VIEWANGLES_X:
1048                 cl.viewangles[0] = k;
1049                 break;
1050         case VF_CL_VIEWANGLES_Y:
1051                 cl.viewangles[1] = k;
1052                 break;
1053         case VF_CL_VIEWANGLES_Z:
1054                 cl.viewangles[2] = k;
1055                 break;
1056         case VF_PERSPECTIVE:
1057                 r_refdef.view.useperspective = k != 0;
1058                 break;
1059         case VF_CLEARSCREEN:
1060                 r_refdef.view.isoverlay = !k;
1061                 break;
1062         case VF_MAINVIEW:
1063                 PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
1064                 break;
1065         case VF_FOG_DENSITY:
1066                 r_refdef.fog_density = k;
1067                 break;
1068         case VF_FOG_COLOR:
1069                 r_refdef.fog_red = f[0];
1070                 r_refdef.fog_green = f[1];
1071                 r_refdef.fog_blue = f[2];
1072                 break;
1073         case VF_FOG_COLOR_R:
1074                 r_refdef.fog_red = k;
1075                 break;
1076         case VF_FOG_COLOR_G:
1077                 r_refdef.fog_green = k;
1078                 break;
1079         case VF_FOG_COLOR_B:
1080                 r_refdef.fog_blue = k;
1081                 break;
1082         case VF_FOG_ALPHA:
1083                 r_refdef.fog_alpha = k;
1084                 break;
1085         case VF_FOG_START:
1086                 r_refdef.fog_start = k;
1087                 break;
1088         case VF_FOG_END:
1089                 r_refdef.fog_end = k;
1090                 break;
1091         case VF_FOG_HEIGHT:
1092                 r_refdef.fog_height = k;
1093                 break;
1094         case VF_FOG_FADEDEPTH:
1095                 r_refdef.fog_fadedepth = k;
1096                 break;
1097         case VF_MINFPS_QUALITY:
1098                 r_refdef.view.quality = k;
1099                 break;
1100         default:
1101                 PRVM_G_FLOAT(OFS_RETURN) = 0;
1102                 VM_Warning(prog, "VM_CL_R_SetView : unknown parm %i\n", c);
1103                 return;
1104         }
1105         PRVM_G_FLOAT(OFS_RETURN) = 1;
1106 }
1107
1108 //#305 void(vector org, float radius, vector lightcolours[, float style, string cubemapname, float pflags]) adddynamiclight (EXT_CSQC)
1109 static void VM_CL_R_AddDynamicLight (prvm_prog_t *prog)
1110 {
1111         double t = Sys_DirtyTime();
1112         vec3_t org;
1113         float radius = 300;
1114         vec3_t col;
1115         int style = -1;
1116         const char *cubemapname = NULL;
1117         int pflags = PFLAGS_CORONA | PFLAGS_FULLDYNAMIC;
1118         float coronaintensity = 1;
1119         float coronasizescale = 0.25;
1120         qboolean castshadow = true;
1121         float ambientscale = 0;
1122         float diffusescale = 1;
1123         float specularscale = 1;
1124         matrix4x4_t matrix;
1125         vec3_t forward, left, up;
1126         VM_SAFEPARMCOUNTRANGE(3, 8, VM_CL_R_AddDynamicLight);
1127
1128         // if we've run out of dlights, just return
1129         if (r_refdef.scene.numlights >= MAX_DLIGHTS)
1130                 return;
1131
1132         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
1133         radius = PRVM_G_FLOAT(OFS_PARM1);
1134         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), col);
1135         if (prog->argc >= 4)
1136         {
1137                 style = (int)PRVM_G_FLOAT(OFS_PARM3);
1138                 if (style >= MAX_LIGHTSTYLES)
1139                 {
1140                         Con_DPrintf("VM_CL_R_AddDynamicLight: out of bounds lightstyle index %i\n", style);
1141                         style = -1;
1142                 }
1143         }
1144         if (prog->argc >= 5)
1145                 cubemapname = PRVM_G_STRING(OFS_PARM4);
1146         if (prog->argc >= 6)
1147                 pflags = (int)PRVM_G_FLOAT(OFS_PARM5);
1148         coronaintensity = (pflags & PFLAGS_CORONA) != 0;
1149         castshadow = (pflags & PFLAGS_NOSHADOW) == 0;
1150
1151         VectorScale(PRVM_clientglobalvector(v_forward), radius, forward);
1152         VectorScale(PRVM_clientglobalvector(v_right), -radius, left);
1153         VectorScale(PRVM_clientglobalvector(v_up), radius, up);
1154         Matrix4x4_FromVectors(&matrix, forward, left, up, org);
1155
1156         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);
1157         r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1158         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
1159         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
1160 }
1161
1162 //============================================================================
1163
1164 //#310 vector (vector v) cs_unproject (EXT_CSQC)
1165 static void VM_CL_unproject (prvm_prog_t *prog)
1166 {
1167         vec3_t f;
1168         vec3_t temp;
1169         vec3_t result;
1170
1171         VM_SAFEPARMCOUNT(1, VM_CL_unproject);
1172         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), f);
1173         VectorSet(temp,
1174                 f[2],
1175                 (-1.0 + 2.0 * (f[0] / vid_conwidth.integer)) * f[2] * -r_refdef.view.frustum_x,
1176                 (-1.0 + 2.0 * (f[1] / vid_conheight.integer)) * f[2] * -r_refdef.view.frustum_y);
1177         if(v_flipped.integer)
1178                 temp[1] = -temp[1];
1179         Matrix4x4_Transform(&r_refdef.view.matrix, temp, result);
1180         VectorCopy(result, PRVM_G_VECTOR(OFS_RETURN));
1181 }
1182
1183 //#311 vector (vector v) cs_project (EXT_CSQC)
1184 static void VM_CL_project (prvm_prog_t *prog)
1185 {
1186         vec3_t f;
1187         vec3_t v;
1188         matrix4x4_t m;
1189
1190         VM_SAFEPARMCOUNT(1, VM_CL_project);
1191         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), f);
1192         Matrix4x4_Invert_Simple(&m, &r_refdef.view.matrix);
1193         Matrix4x4_Transform(&m, f, v);
1194         if(v_flipped.integer)
1195                 v[1] = -v[1];
1196         VectorSet(PRVM_G_VECTOR(OFS_RETURN),
1197                 vid_conwidth.integer * (0.5*(1.0+v[1]/v[0]/-r_refdef.view.frustum_x)),
1198                 vid_conheight.integer * (0.5*(1.0+v[2]/v[0]/-r_refdef.view.frustum_y)),
1199                 v[0]);
1200         // explanation:
1201         // after transforming, relative position to viewport (0..1) = 0.5 * (1 + v[2]/v[0]/-frustum_{x \or y})
1202         // as 2D drawing honors the viewport too, to get the same pixel, we simply multiply this by conwidth/height
1203 }
1204
1205 //#330 float(float stnum) getstatf (EXT_CSQC)
1206 static void VM_CL_getstatf (prvm_prog_t *prog)
1207 {
1208         int i;
1209         union
1210         {
1211                 float f;
1212                 int l;
1213         }dat;
1214         VM_SAFEPARMCOUNT(1, VM_CL_getstatf);
1215         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1216         if(i < 0 || i >= MAX_CL_STATS)
1217         {
1218                 VM_Warning(prog, "VM_CL_getstatf: index>=MAX_CL_STATS or index<0\n");
1219                 return;
1220         }
1221         dat.l = cl.stats[i];
1222         PRVM_G_FLOAT(OFS_RETURN) =  dat.f;
1223 }
1224
1225 //#331 float(float stnum) getstati (EXT_CSQC)
1226 static void VM_CL_getstati (prvm_prog_t *prog)
1227 {
1228         int i, index;
1229         int firstbit, bitcount;
1230
1231         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getstati);
1232
1233         index = (int)PRVM_G_FLOAT(OFS_PARM0);
1234         if (prog->argc > 1)
1235         {
1236                 firstbit = (int)PRVM_G_FLOAT(OFS_PARM1);
1237                 if (prog->argc > 2)
1238                         bitcount = (int)PRVM_G_FLOAT(OFS_PARM2);
1239                 else
1240                         bitcount = 1;
1241         }
1242         else
1243         {
1244                 firstbit = 0;
1245                 bitcount = 32;
1246         }
1247
1248         if(index < 0 || index >= MAX_CL_STATS)
1249         {
1250                 VM_Warning(prog, "VM_CL_getstati: index>=MAX_CL_STATS or index<0\n");
1251                 return;
1252         }
1253         i = cl.stats[index];
1254         if (bitcount != 32)     //32 causes the mask to overflow, so there's nothing to subtract from.
1255                 i = (((unsigned int)i)&(((1<<bitcount)-1)<<firstbit))>>firstbit;
1256         PRVM_G_FLOAT(OFS_RETURN) = i;
1257 }
1258
1259 //#332 string(float firststnum) getstats (EXT_CSQC)
1260 static void VM_CL_getstats (prvm_prog_t *prog)
1261 {
1262         int i;
1263         char t[17];
1264         VM_SAFEPARMCOUNT(1, VM_CL_getstats);
1265         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1266         if(i < 0 || i > MAX_CL_STATS-4)
1267         {
1268                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1269                 VM_Warning(prog, "VM_CL_getstats: index>MAX_CL_STATS-4 or index<0\n");
1270                 return;
1271         }
1272         strlcpy(t, (char*)&cl.stats[i], sizeof(t));
1273         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1274 }
1275
1276 //#333 void(entity e, float mdlindex) setmodelindex (EXT_CSQC)
1277 static void VM_CL_setmodelindex (prvm_prog_t *prog)
1278 {
1279         int                             i;
1280         prvm_edict_t    *t;
1281         struct model_s  *model;
1282
1283         VM_SAFEPARMCOUNT(2, VM_CL_setmodelindex);
1284
1285         t = PRVM_G_EDICT(OFS_PARM0);
1286
1287         i = (int)PRVM_G_FLOAT(OFS_PARM1);
1288
1289         PRVM_clientedictstring(t, model) = 0;
1290         PRVM_clientedictfloat(t, modelindex) = 0;
1291
1292         if (!i)
1293                 return;
1294
1295         model = CL_GetModelByIndex(i);
1296         if (!model)
1297         {
1298                 VM_Warning(prog, "VM_CL_setmodelindex: null model\n");
1299                 return;
1300         }
1301         PRVM_clientedictstring(t, model) = PRVM_SetEngineString(prog, model->name);
1302         PRVM_clientedictfloat(t, modelindex) = i;
1303
1304         // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
1305         if (model)
1306         {
1307                 SetMinMaxSize (prog, t, model->normalmins, model->normalmaxs);
1308         }
1309         else
1310                 SetMinMaxSize (prog, t, vec3_origin, vec3_origin);
1311 }
1312
1313 //#334 string(float mdlindex) modelnameforindex (EXT_CSQC)
1314 static void VM_CL_modelnameforindex (prvm_prog_t *prog)
1315 {
1316         dp_model_t *model;
1317
1318         VM_SAFEPARMCOUNT(1, VM_CL_modelnameforindex);
1319
1320         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1321         model = CL_GetModelByIndex((int)PRVM_G_FLOAT(OFS_PARM0));
1322         PRVM_G_INT(OFS_RETURN) = model ? PRVM_SetEngineString(prog, model->name) : 0;
1323 }
1324
1325 //#335 float(string effectname) particleeffectnum (EXT_CSQC)
1326 static void VM_CL_particleeffectnum (prvm_prog_t *prog)
1327 {
1328         int                     i;
1329         VM_SAFEPARMCOUNT(1, VM_CL_particleeffectnum);
1330         i = CL_ParticleEffectIndexForName(PRVM_G_STRING(OFS_PARM0));
1331         if (i == 0)
1332                 i = -1;
1333         PRVM_G_FLOAT(OFS_RETURN) = i;
1334 }
1335
1336 // #336 void(entity ent, float effectnum, vector start, vector end[, float color]) trailparticles (EXT_CSQC)
1337 static void VM_CL_trailparticles (prvm_prog_t *prog)
1338 {
1339         int                             i;
1340         vec3_t                  start, end, velocity;
1341         prvm_edict_t    *t;
1342         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_trailparticles);
1343
1344         t = PRVM_G_EDICT(OFS_PARM0);
1345         i               = (int)PRVM_G_FLOAT(OFS_PARM1);
1346         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), start);
1347         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), end);
1348         VectorCopy(PRVM_clientedictvector(t, velocity), velocity);
1349
1350         if (i < 0)
1351                 return;
1352         CL_ParticleEffect(i, 1, start, end, velocity, velocity, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1353 }
1354
1355 //#337 void(float effectnum, vector origin, vector dir, float count[, float color]) pointparticles (EXT_CSQC)
1356 static void VM_CL_pointparticles (prvm_prog_t *prog)
1357 {
1358         int                     i;
1359         float n;
1360         vec3_t f, v;
1361         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_pointparticles);
1362         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1363         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), f);
1364         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), v);
1365         n = PRVM_G_FLOAT(OFS_PARM3);
1366         if (i < 0)
1367                 return;
1368         CL_ParticleEffect(i, n, f, f, v, v, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1369 }
1370
1371 //#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)
1372 static void VM_CL_boxparticles (prvm_prog_t *prog)
1373 {
1374         int effectnum;
1375         // prvm_edict_t *own;
1376         vec3_t origin_from, origin_to, dir_from, dir_to;
1377         float count;
1378         int flags;
1379         float tintmins[4], tintmaxs[4];
1380         VM_SAFEPARMCOUNTRANGE(7, 8, VM_CL_boxparticles);
1381
1382         effectnum = (int)PRVM_G_FLOAT(OFS_PARM0);
1383         // own = PRVM_G_EDICT(OFS_PARM1); // TODO find use for this
1384         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), origin_from);
1385         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), origin_to  );
1386         VectorCopy(PRVM_G_VECTOR(OFS_PARM4), dir_from   );
1387         VectorCopy(PRVM_G_VECTOR(OFS_PARM5), dir_to     );
1388         count = PRVM_G_FLOAT(OFS_PARM6);
1389         if(prog->argc >= 8)
1390                 flags = PRVM_G_FLOAT(OFS_PARM7);
1391         else
1392                 flags = 0;
1393         Vector4Set(tintmins, 1, 1, 1, 1);
1394         Vector4Set(tintmaxs, 1, 1, 1, 1);
1395         if(flags & 1) // read alpha
1396         {
1397                 tintmins[3] = PRVM_clientglobalfloat(particles_alphamin);
1398                 tintmaxs[3] = PRVM_clientglobalfloat(particles_alphamax);
1399         }
1400         if(flags & 2) // read color
1401         {
1402                 VectorCopy(PRVM_clientglobalvector(particles_colormin), tintmins);
1403                 VectorCopy(PRVM_clientglobalvector(particles_colormax), tintmaxs);
1404         }
1405         if (effectnum < 0)
1406                 return;
1407         CL_ParticleTrail(effectnum, count, origin_from, origin_to, dir_from, dir_to, NULL, 0, true, true, tintmins, tintmaxs);
1408 }
1409
1410 //#531 void(float pause) setpause
1411 static void VM_CL_setpause(prvm_prog_t *prog)
1412 {
1413         VM_SAFEPARMCOUNT(1, VM_CL_setpause);
1414         if ((int)PRVM_G_FLOAT(OFS_PARM0) != 0)
1415                 cl.csqc_paused = true;
1416         else
1417                 cl.csqc_paused = false;
1418 }
1419
1420 //#343 void(float usecursor) setcursormode (DP_CSQC)
1421 static void VM_CL_setcursormode (prvm_prog_t *prog)
1422 {
1423         VM_SAFEPARMCOUNT(1, VM_CL_setcursormode);
1424         cl.csqc_wantsmousemove = PRVM_G_FLOAT(OFS_PARM0) != 0;
1425         cl_ignoremousemoves = 2;
1426 }
1427
1428 //#344 vector() getmousepos (DP_CSQC)
1429 static void VM_CL_getmousepos(prvm_prog_t *prog)
1430 {
1431         VM_SAFEPARMCOUNT(0,VM_CL_getmousepos);
1432
1433         if (key_consoleactive || key_dest != key_game)
1434                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), 0, 0, 0);
1435         else if (cl.csqc_wantsmousemove)
1436                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_windowmouse_x * vid_conwidth.integer / vid.width, in_windowmouse_y * vid_conheight.integer / vid.height, 0);
1437         else
1438                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_mouse_x * vid_conwidth.integer / vid.width, in_mouse_y * vid_conheight.integer / vid.height, 0);
1439 }
1440
1441 //#345 float(float framenum) getinputstate (EXT_CSQC)
1442 static void VM_CL_getinputstate (prvm_prog_t *prog)
1443 {
1444         int i, frame;
1445         VM_SAFEPARMCOUNT(1, VM_CL_getinputstate);
1446         frame = (int)PRVM_G_FLOAT(OFS_PARM0);
1447         PRVM_G_FLOAT(OFS_RETURN) = false;
1448         for (i = 0;i < CL_MAX_USERCMDS;i++)
1449         {
1450                 if (cl.movecmd[i].sequence == frame)
1451                 {
1452                         VectorCopy(cl.movecmd[i].viewangles, PRVM_clientglobalvector(input_angles));
1453                         PRVM_clientglobalfloat(input_buttons) = cl.movecmd[i].buttons; // FIXME: this should not be directly exposed to csqc (translation layer needed?)
1454                         PRVM_clientglobalvector(input_movevalues)[0] = cl.movecmd[i].forwardmove;
1455                         PRVM_clientglobalvector(input_movevalues)[1] = cl.movecmd[i].sidemove;
1456                         PRVM_clientglobalvector(input_movevalues)[2] = cl.movecmd[i].upmove;
1457                         PRVM_clientglobalfloat(input_timelength) = cl.movecmd[i].frametime;
1458                         // this probably shouldn't be here
1459                         if(cl.movecmd[i].crouch)
1460                         {
1461                                 VectorCopy(cl.playercrouchmins, PRVM_clientglobalvector(pmove_mins));
1462                                 VectorCopy(cl.playercrouchmaxs, PRVM_clientglobalvector(pmove_maxs));
1463                         }
1464                         else
1465                         {
1466                                 VectorCopy(cl.playerstandmins, PRVM_clientglobalvector(pmove_mins));
1467                                 VectorCopy(cl.playerstandmaxs, PRVM_clientglobalvector(pmove_maxs));
1468                         }
1469                         PRVM_G_FLOAT(OFS_RETURN) = true;
1470                 }
1471         }
1472 }
1473
1474 //#346 void(float sens) setsensitivityscaler (EXT_CSQC)
1475 static void VM_CL_setsensitivityscale (prvm_prog_t *prog)
1476 {
1477         VM_SAFEPARMCOUNT(1, VM_CL_setsensitivityscale);
1478         cl.sensitivityscale = PRVM_G_FLOAT(OFS_PARM0);
1479 }
1480
1481 //#347 void() runstandardplayerphysics (EXT_CSQC)
1482 #define PMF_JUMP_HELD 1 // matches FTEQW
1483 #define PMF_LADDER 2 // not used by DP, FTEQW sets this in runplayerphysics but does not read it
1484 #define PMF_DUCKED 4 // FIXME FTEQW doesn't have this for Q1 like movement because Q1 cannot crouch
1485 #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
1486 static void VM_CL_runplayerphysics (prvm_prog_t *prog)
1487 {
1488         cl_clientmovement_state_t s;
1489         prvm_edict_t *ent;
1490
1491         memset(&s, 0, sizeof(s));
1492
1493         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_runplayerphysics);
1494
1495         ent = (prog->argc == 1 ? PRVM_G_EDICT(OFS_PARM0) : prog->edicts);
1496         if(ent == prog->edicts)
1497         {
1498                 // deprecated use
1499                 s.self = NULL;
1500                 VectorCopy(PRVM_clientglobalvector(pmove_org), s.origin);
1501                 VectorCopy(PRVM_clientglobalvector(pmove_vel), s.velocity);
1502                 VectorCopy(PRVM_clientglobalvector(pmove_mins), s.mins);
1503                 VectorCopy(PRVM_clientglobalvector(pmove_maxs), s.maxs);
1504                 s.crouched = 0;
1505                 s.waterjumptime = PRVM_clientglobalfloat(pmove_waterjumptime);
1506                 s.cmd.canjump = (int)PRVM_clientglobalfloat(pmove_jump_held) == 0;
1507         }
1508         else
1509         {
1510                 // new use
1511                 s.self = ent;
1512                 VectorCopy(PRVM_clientedictvector(ent, origin), s.origin);
1513                 VectorCopy(PRVM_clientedictvector(ent, velocity), s.velocity);
1514                 VectorCopy(PRVM_clientedictvector(ent, mins), s.mins);
1515                 VectorCopy(PRVM_clientedictvector(ent, maxs), s.maxs);
1516                 s.crouched = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_DUCKED) != 0;
1517                 s.waterjumptime = 0; // FIXME where do we get this from? FTEQW lacks support for this too
1518                 s.cmd.canjump = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_JUMP_HELD) == 0;
1519         }
1520
1521         VectorCopy(PRVM_clientglobalvector(input_angles), s.cmd.viewangles);
1522         s.cmd.forwardmove = PRVM_clientglobalvector(input_movevalues)[0];
1523         s.cmd.sidemove = PRVM_clientglobalvector(input_movevalues)[1];
1524         s.cmd.upmove = PRVM_clientglobalvector(input_movevalues)[2];
1525         s.cmd.buttons = PRVM_clientglobalfloat(input_buttons);
1526         s.cmd.frametime = PRVM_clientglobalfloat(input_timelength);
1527         s.cmd.jump = (s.cmd.buttons & 2) != 0;
1528         s.cmd.crouch = (s.cmd.buttons & 16) != 0;
1529
1530         CL_ClientMovement_PlayerMove_Frame(&s);
1531
1532         if(ent == prog->edicts)
1533         {
1534                 // deprecated use
1535                 VectorCopy(s.origin, PRVM_clientglobalvector(pmove_org));
1536                 VectorCopy(s.velocity, PRVM_clientglobalvector(pmove_vel));
1537                 PRVM_clientglobalfloat(pmove_jump_held) = !s.cmd.canjump;
1538                 PRVM_clientglobalfloat(pmove_waterjumptime) = s.waterjumptime;
1539         }
1540         else
1541         {
1542                 // new use
1543                 VectorCopy(s.origin, PRVM_clientedictvector(ent, origin));
1544                 VectorCopy(s.velocity, PRVM_clientedictvector(ent, velocity));
1545                 PRVM_clientedictfloat(ent, pmove_flags) =
1546                         (s.crouched ? PMF_DUCKED : 0) |
1547                         (s.cmd.canjump ? 0 : PMF_JUMP_HELD) |
1548                         (s.onground ? PMF_ONGROUND : 0);
1549         }
1550 }
1551
1552 //#348 string(float playernum, string keyname) getplayerkeyvalue (EXT_CSQC)
1553 static void VM_CL_getplayerkey (prvm_prog_t *prog)
1554 {
1555         int                     i;
1556         char            t[128];
1557         const char      *c;
1558
1559         VM_SAFEPARMCOUNT(2, VM_CL_getplayerkey);
1560
1561         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1562         c = PRVM_G_STRING(OFS_PARM1);
1563         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1564         Sbar_SortFrags();
1565
1566         if (i < 0)
1567                 i = Sbar_GetSortedPlayerIndex(-1-i);
1568         if(i < 0 || i >= cl.maxclients)
1569                 return;
1570
1571         t[0] = 0;
1572
1573         if(!strcasecmp(c, "name"))
1574                 strlcpy(t, cl.scores[i].name, sizeof(t));
1575         else
1576                 if(!strcasecmp(c, "frags"))
1577                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].frags);
1578         else
1579                 if(!strcasecmp(c, "ping"))
1580                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_ping);
1581         else
1582                 if(!strcasecmp(c, "pl"))
1583                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_packetloss);
1584         else
1585                 if(!strcasecmp(c, "movementloss"))
1586                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_movementloss);
1587         else
1588                 if(!strcasecmp(c, "entertime"))
1589                         dpsnprintf(t, sizeof(t), "%f", cl.scores[i].qw_entertime);
1590         else
1591                 if(!strcasecmp(c, "colors"))
1592                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors);
1593         else
1594                 if(!strcasecmp(c, "topcolor"))
1595                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors & 0xf0);
1596         else
1597                 if(!strcasecmp(c, "bottomcolor"))
1598                         dpsnprintf(t, sizeof(t), "%i", (cl.scores[i].colors &15)<<4);
1599         else
1600                 if(!strcasecmp(c, "viewentity"))
1601                         dpsnprintf(t, sizeof(t), "%i", i+1);
1602         else
1603                 if(gamemode == GAME_XONOTIC && !strcasecmp(c, "TEMPHACK_origin"))
1604                 {
1605                         // PLEASE REMOVE THIS once deltalisten() of EXT_CSQC_1
1606                         // is implemented, or Xonotic uses CSQC-networked
1607                         // players, whichever comes first
1608                         entity_t *e = cl.entities + (i+1);
1609                         if(e->state_current.active)
1610                         {
1611                                 vec3_t origin;
1612                                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1613                                 dpsnprintf(t, sizeof(t), VECTOR_LOSSLESS_FORMAT, origin[0], origin[1], origin[2]);
1614                         }
1615                 }
1616         if(!t[0])
1617                 return;
1618         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1619 }
1620
1621 //#351 void(vector origin, vector forward, vector right, vector up) SetListener (EXT_CSQC)
1622 static void VM_CL_setlistener (prvm_prog_t *prog)
1623 {
1624         vec3_t origin, forward, left, up;
1625         VM_SAFEPARMCOUNT(4, VM_CL_setlistener);
1626         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), origin);
1627         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), forward);
1628         VectorNegate(PRVM_G_VECTOR(OFS_PARM2), left);
1629         VectorCopy(PRVM_G_VECTOR(OFS_PARM3), up);
1630         Matrix4x4_FromVectors(&cl.csqc_listenermatrix, forward, left, up, origin);
1631         cl.csqc_usecsqclistener = true; //use csqc listener at this frame
1632 }
1633
1634 //#352 void(string cmdname) registercommand (EXT_CSQC)
1635 static void VM_CL_registercmd (prvm_prog_t *prog)
1636 {
1637         char *t;
1638         VM_SAFEPARMCOUNT(1, VM_CL_registercmd);
1639         if(!Cmd_Exists(PRVM_G_STRING(OFS_PARM0)))
1640         {
1641                 size_t alloclen;
1642
1643                 alloclen = strlen(PRVM_G_STRING(OFS_PARM0)) + 1;
1644                 t = (char *)Z_Malloc(alloclen);
1645                 memcpy(t, PRVM_G_STRING(OFS_PARM0), alloclen);
1646                 Cmd_AddCommand(t, NULL, "console command created by QuakeC");
1647         }
1648         else
1649                 Cmd_AddCommand(PRVM_G_STRING(OFS_PARM0), NULL, "console command created by QuakeC");
1650
1651 }
1652
1653 //#360 float() readbyte (EXT_CSQC)
1654 static void VM_CL_ReadByte (prvm_prog_t *prog)
1655 {
1656         VM_SAFEPARMCOUNT(0, VM_CL_ReadByte);
1657         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadByte(&cl_message);
1658 }
1659
1660 //#361 float() readchar (EXT_CSQC)
1661 static void VM_CL_ReadChar (prvm_prog_t *prog)
1662 {
1663         VM_SAFEPARMCOUNT(0, VM_CL_ReadChar);
1664         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadChar(&cl_message);
1665 }
1666
1667 //#362 float() readshort (EXT_CSQC)
1668 static void VM_CL_ReadShort (prvm_prog_t *prog)
1669 {
1670         VM_SAFEPARMCOUNT(0, VM_CL_ReadShort);
1671         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadShort(&cl_message);
1672 }
1673
1674 //#363 float() readlong (EXT_CSQC)
1675 static void VM_CL_ReadLong (prvm_prog_t *prog)
1676 {
1677         VM_SAFEPARMCOUNT(0, VM_CL_ReadLong);
1678         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadLong(&cl_message);
1679 }
1680
1681 //#364 float() readcoord (EXT_CSQC)
1682 static void VM_CL_ReadCoord (prvm_prog_t *prog)
1683 {
1684         VM_SAFEPARMCOUNT(0, VM_CL_ReadCoord);
1685         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadCoord(&cl_message, cls.protocol);
1686 }
1687
1688 //#365 float() readangle (EXT_CSQC)
1689 static void VM_CL_ReadAngle (prvm_prog_t *prog)
1690 {
1691         VM_SAFEPARMCOUNT(0, VM_CL_ReadAngle);
1692         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadAngle(&cl_message, cls.protocol);
1693 }
1694
1695 //#366 string() readstring (EXT_CSQC)
1696 static void VM_CL_ReadString (prvm_prog_t *prog)
1697 {
1698         VM_SAFEPARMCOUNT(0, VM_CL_ReadString);
1699         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring)));
1700 }
1701
1702 //#367 float() readfloat (EXT_CSQC)
1703 static void VM_CL_ReadFloat (prvm_prog_t *prog)
1704 {
1705         VM_SAFEPARMCOUNT(0, VM_CL_ReadFloat);
1706         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadFloat(&cl_message);
1707 }
1708
1709 //#501 string() readpicture (DP_CSQC_READWRITEPICTURE)
1710 extern cvar_t cl_readpicture_force;
1711 static void VM_CL_ReadPicture (prvm_prog_t *prog)
1712 {
1713         const char *name;
1714         unsigned char *data;
1715         unsigned char *buf;
1716         unsigned short size;
1717         int i;
1718         cachepic_t *pic;
1719
1720         VM_SAFEPARMCOUNT(0, VM_CL_ReadPicture);
1721
1722         name = MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring));
1723         size = (unsigned short) MSG_ReadShort(&cl_message);
1724
1725         // check if a texture of that name exists
1726         // if yes, it is used and the data is discarded
1727         // if not, the (low quality) data is used to build a new texture, whose name will get returned
1728
1729         pic = Draw_CachePic_Flags (name, CACHEPICFLAG_NOTPERSISTENT);
1730
1731         if(size)
1732         {
1733                 if(pic->tex == r_texture_notexture)
1734                         pic->tex = NULL; // don't overwrite the notexture by Draw_NewPic
1735                 if(pic->tex && !cl_readpicture_force.integer)
1736                 {
1737                         // texture found and loaded
1738                         // skip over the jpeg as we don't need it
1739                         for(i = 0; i < size; ++i)
1740                                 (void) MSG_ReadByte(&cl_message);
1741                 }
1742                 else
1743                 {
1744                         // texture not found
1745                         // use the attached jpeg as texture
1746                         buf = (unsigned char *) Mem_Alloc(tempmempool, size);
1747                         MSG_ReadBytes(&cl_message, size, buf);
1748                         data = JPEG_LoadImage_BGRA(buf, size, NULL);
1749                         Mem_Free(buf);
1750                         Draw_NewPic(name, image_width, image_height, false, data);
1751                         Mem_Free(data);
1752                 }
1753         }
1754
1755         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, name);
1756 }
1757
1758 //////////////////////////////////////////////////////////
1759
1760 static void VM_CL_makestatic (prvm_prog_t *prog)
1761 {
1762         prvm_edict_t *ent;
1763
1764         VM_SAFEPARMCOUNT(1, VM_CL_makestatic);
1765
1766         ent = PRVM_G_EDICT(OFS_PARM0);
1767         if (ent == prog->edicts)
1768         {
1769                 VM_Warning(prog, "makestatic: can not modify world entity\n");
1770                 return;
1771         }
1772         if (ent->priv.server->free)
1773         {
1774                 VM_Warning(prog, "makestatic: can not modify free entity\n");
1775                 return;
1776         }
1777
1778         if (cl.num_static_entities < cl.max_static_entities)
1779         {
1780                 int renderflags;
1781                 entity_t *staticent = &cl.static_entities[cl.num_static_entities++];
1782
1783                 // copy it to the current state
1784                 memset(staticent, 0, sizeof(*staticent));
1785                 staticent->render.model = CL_GetModelByIndex((int)PRVM_clientedictfloat(ent, modelindex));
1786                 staticent->render.framegroupblend[0].frame = (int)PRVM_clientedictfloat(ent, frame);
1787                 staticent->render.framegroupblend[0].lerp = 1;
1788                 // make torchs play out of sync
1789                 staticent->render.framegroupblend[0].start = lhrandom(-10, -1);
1790                 staticent->render.skinnum = (int)PRVM_clientedictfloat(ent, skin);
1791                 staticent->render.effects = (int)PRVM_clientedictfloat(ent, effects);
1792                 staticent->render.alpha = PRVM_clientedictfloat(ent, alpha);
1793                 staticent->render.scale = PRVM_clientedictfloat(ent, scale);
1794                 VectorCopy(PRVM_clientedictvector(ent, colormod), staticent->render.colormod);
1795                 VectorCopy(PRVM_clientedictvector(ent, glowmod), staticent->render.glowmod);
1796
1797                 // sanitize values
1798                 if (!staticent->render.alpha)
1799                         staticent->render.alpha = 1.0f;
1800                 if (!staticent->render.scale)
1801                         staticent->render.scale = 1.0f;
1802                 if (!VectorLength2(staticent->render.colormod))
1803                         VectorSet(staticent->render.colormod, 1, 1, 1);
1804                 if (!VectorLength2(staticent->render.glowmod))
1805                         VectorSet(staticent->render.glowmod, 1, 1, 1);
1806
1807                 renderflags = (int)PRVM_clientedictfloat(ent, renderflags);
1808                 if (renderflags & RF_USEAXIS)
1809                 {
1810                         vec3_t forward, left, up, origin;
1811                         VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1812                         VectorNegate(PRVM_clientglobalvector(v_right), left);
1813                         VectorCopy(PRVM_clientglobalvector(v_up), up);
1814                         VectorCopy(PRVM_clientedictvector(ent, origin), origin);
1815                         Matrix4x4_FromVectors(&staticent->render.matrix, forward, left, up, origin);
1816                         Matrix4x4_Scale(&staticent->render.matrix, staticent->render.scale, 1);
1817                 }
1818                 else
1819                         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);
1820
1821                 // either fullbright or lit
1822                 if(!r_fullbright.integer)
1823                 {
1824                         if (!(staticent->render.effects & EF_FULLBRIGHT))
1825                                 staticent->render.flags |= RENDER_LIGHT;
1826                         else if(r_equalize_entities_fullbright.integer)
1827                                 staticent->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1828                 }
1829                 // turn off shadows from transparent objects
1830                 if (!(staticent->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (staticent->render.alpha >= 1))
1831                         staticent->render.flags |= RENDER_SHADOW;
1832                 if (staticent->render.effects & EF_NODEPTHTEST)
1833                         staticent->render.flags |= RENDER_NODEPTHTEST;
1834                 if (staticent->render.effects & EF_ADDITIVE)
1835                         staticent->render.flags |= RENDER_ADDITIVE;
1836                 if (staticent->render.effects & EF_DOUBLESIDED)
1837                         staticent->render.flags |= RENDER_DOUBLESIDED;
1838
1839                 staticent->render.allowdecals = true;
1840                 CL_UpdateRenderEntity(&staticent->render);
1841         }
1842         else
1843                 Con_Printf("Too many static entities");
1844
1845 // throw the entity away now
1846         PRVM_ED_Free(prog, ent);
1847 }
1848
1849 //=================================================================//
1850
1851 /*
1852 =================
1853 VM_CL_copyentity
1854
1855 copies data from one entity to another
1856
1857 copyentity(src, dst)
1858 =================
1859 */
1860 static void VM_CL_copyentity (prvm_prog_t *prog)
1861 {
1862         prvm_edict_t *in, *out;
1863         VM_SAFEPARMCOUNT(2, VM_CL_copyentity);
1864         in = PRVM_G_EDICT(OFS_PARM0);
1865         if (in == prog->edicts)
1866         {
1867                 VM_Warning(prog, "copyentity: can not read world entity\n");
1868                 return;
1869         }
1870         if (in->priv.server->free)
1871         {
1872                 VM_Warning(prog, "copyentity: can not read free entity\n");
1873                 return;
1874         }
1875         out = PRVM_G_EDICT(OFS_PARM1);
1876         if (out == prog->edicts)
1877         {
1878                 VM_Warning(prog, "copyentity: can not modify world entity\n");
1879                 return;
1880         }
1881         if (out->priv.server->free)
1882         {
1883                 VM_Warning(prog, "copyentity: can not modify free entity\n");
1884                 return;
1885         }
1886         memcpy(out->fields.fp, in->fields.fp, prog->entityfields * sizeof(prvm_vec_t));
1887         CL_LinkEdict(out);
1888 }
1889
1890 //=================================================================//
1891
1892 // #404 void(vector org, string modelname, float startframe, float endframe, float framerate) effect (DP_SV_EFFECT)
1893 static void VM_CL_effect (prvm_prog_t *prog)
1894 {
1895 #if 1
1896         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
1897 #else
1898         vec3_t org;
1899         VM_SAFEPARMCOUNT(5, VM_CL_effect);
1900         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
1901         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));
1902 #endif
1903 }
1904
1905 // #405 void(vector org, vector velocity, float howmany) te_blood (DP_TE_BLOOD)
1906 static void VM_CL_te_blood (prvm_prog_t *prog)
1907 {
1908         vec3_t pos, vel, pos2;
1909         VM_SAFEPARMCOUNT(3, VM_CL_te_blood);
1910         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1911                 return;
1912         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1913         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
1914         CL_FindNonSolidLocation(pos, pos2, 4);
1915         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
1916 }
1917
1918 // #406 void(vector mincorner, vector maxcorner, float explosionspeed, float howmany) te_bloodshower (DP_TE_BLOODSHOWER)
1919 static void VM_CL_te_bloodshower (prvm_prog_t *prog)
1920 {
1921         vec_t speed;
1922         vec3_t mincorner, maxcorner, vel1, vel2;
1923         VM_SAFEPARMCOUNT(4, VM_CL_te_bloodshower);
1924         if (PRVM_G_FLOAT(OFS_PARM3) < 1)
1925                 return;
1926         speed = PRVM_G_FLOAT(OFS_PARM2);
1927         vel1[0] = -speed;
1928         vel1[1] = -speed;
1929         vel1[2] = -speed;
1930         vel2[0] = speed;
1931         vel2[1] = speed;
1932         vel2[2] = speed;
1933         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1934         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1935         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM3), mincorner, maxcorner, vel1, vel2, NULL, 0);
1936 }
1937
1938 // #407 void(vector org, vector color) te_explosionrgb (DP_TE_EXPLOSIONRGB)
1939 static void VM_CL_te_explosionrgb (prvm_prog_t *prog)
1940 {
1941         vec3_t          pos;
1942         vec3_t          pos2;
1943         matrix4x4_t     tempmatrix;
1944         VM_SAFEPARMCOUNT(2, VM_CL_te_explosionrgb);
1945         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1946         CL_FindNonSolidLocation(pos, pos2, 10);
1947         CL_ParticleExplosion(pos2);
1948         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1949         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);
1950 }
1951
1952 // #408 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color, float gravityflag, float randomveljitter) te_particlecube (DP_TE_PARTICLECUBE)
1953 static void VM_CL_te_particlecube (prvm_prog_t *prog)
1954 {
1955         vec3_t mincorner, maxcorner, vel;
1956         VM_SAFEPARMCOUNT(7, VM_CL_te_particlecube);
1957         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1958         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1959         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1960         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));
1961 }
1962
1963 // #409 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlerain (DP_TE_PARTICLERAIN)
1964 static void VM_CL_te_particlerain (prvm_prog_t *prog)
1965 {
1966         vec3_t mincorner, maxcorner, vel;
1967         VM_SAFEPARMCOUNT(5, VM_CL_te_particlerain);
1968         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1969         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1970         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1971         CL_ParticleRain(mincorner, maxcorner, vel, (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 0);
1972 }
1973
1974 // #410 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlesnow (DP_TE_PARTICLESNOW)
1975 static void VM_CL_te_particlesnow (prvm_prog_t *prog)
1976 {
1977         vec3_t mincorner, maxcorner, vel;
1978         VM_SAFEPARMCOUNT(5, VM_CL_te_particlesnow);
1979         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), mincorner);
1980         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), maxcorner);
1981         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), vel);
1982         CL_ParticleRain(mincorner, maxcorner, vel, (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 1);
1983 }
1984
1985 // #411 void(vector org, vector vel, float howmany) te_spark
1986 static void VM_CL_te_spark (prvm_prog_t *prog)
1987 {
1988         vec3_t pos, pos2, vel;
1989         VM_SAFEPARMCOUNT(3, VM_CL_te_spark);
1990
1991         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
1992         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
1993         CL_FindNonSolidLocation(pos, pos2, 4);
1994         CL_ParticleEffect(EFFECT_TE_SPARK, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
1995 }
1996
1997 extern cvar_t cl_sound_ric_gunshot;
1998 // #412 void(vector org) te_gunshotquad (DP_QUADEFFECTS1)
1999 static void VM_CL_te_gunshotquad (prvm_prog_t *prog)
2000 {
2001         vec3_t          pos, pos2;
2002         int                     rnd;
2003         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshotquad);
2004
2005         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2006         CL_FindNonSolidLocation(pos, pos2, 4);
2007         CL_ParticleEffect(EFFECT_TE_GUNSHOTQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2008         if(cl_sound_ric_gunshot.integer >= 2)
2009         {
2010                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2011                 else
2012                 {
2013                         rnd = rand() & 3;
2014                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2015                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2016                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2017                 }
2018         }
2019 }
2020
2021 // #413 void(vector org) te_spikequad (DP_QUADEFFECTS1)
2022 static void VM_CL_te_spikequad (prvm_prog_t *prog)
2023 {
2024         vec3_t          pos, pos2;
2025         int                     rnd;
2026         VM_SAFEPARMCOUNT(1, VM_CL_te_spikequad);
2027
2028         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2029         CL_FindNonSolidLocation(pos, pos2, 4);
2030         CL_ParticleEffect(EFFECT_TE_SPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2031         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2032         else
2033         {
2034                 rnd = rand() & 3;
2035                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2036                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2037                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2038         }
2039 }
2040
2041 // #414 void(vector org) te_superspikequad (DP_QUADEFFECTS1)
2042 static void VM_CL_te_superspikequad (prvm_prog_t *prog)
2043 {
2044         vec3_t          pos, pos2;
2045         int                     rnd;
2046         VM_SAFEPARMCOUNT(1, VM_CL_te_superspikequad);
2047
2048         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2049         CL_FindNonSolidLocation(pos, pos2, 4);
2050         CL_ParticleEffect(EFFECT_TE_SUPERSPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2051         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos, 1, 1);
2052         else
2053         {
2054                 rnd = rand() & 3;
2055                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2056                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2057                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2058         }
2059 }
2060
2061 // #415 void(vector org) te_explosionquad (DP_QUADEFFECTS1)
2062 static void VM_CL_te_explosionquad (prvm_prog_t *prog)
2063 {
2064         vec3_t          pos, pos2;
2065         VM_SAFEPARMCOUNT(1, VM_CL_te_explosionquad);
2066
2067         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2068         CL_FindNonSolidLocation(pos, pos2, 10);
2069         CL_ParticleEffect(EFFECT_TE_EXPLOSIONQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2070         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2071 }
2072
2073 // #416 void(vector org) te_smallflash (DP_TE_SMALLFLASH)
2074 static void VM_CL_te_smallflash (prvm_prog_t *prog)
2075 {
2076         vec3_t          pos, pos2;
2077         VM_SAFEPARMCOUNT(1, VM_CL_te_smallflash);
2078
2079         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2080         CL_FindNonSolidLocation(pos, pos2, 10);
2081         CL_ParticleEffect(EFFECT_TE_SMALLFLASH, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2082 }
2083
2084 // #417 void(vector org, float radius, float lifetime, vector color) te_customflash (DP_TE_CUSTOMFLASH)
2085 static void VM_CL_te_customflash (prvm_prog_t *prog)
2086 {
2087         vec3_t          pos, pos2;
2088         matrix4x4_t     tempmatrix;
2089         VM_SAFEPARMCOUNT(4, VM_CL_te_customflash);
2090
2091         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2092         CL_FindNonSolidLocation(pos, pos2, 4);
2093         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2094         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);
2095 }
2096
2097 // #418 void(vector org) te_gunshot (DP_TE_STANDARDEFFECTBUILTINS)
2098 static void VM_CL_te_gunshot (prvm_prog_t *prog)
2099 {
2100         vec3_t          pos, pos2;
2101         int                     rnd;
2102         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshot);
2103
2104         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2105         CL_FindNonSolidLocation(pos, pos2, 4);
2106         CL_ParticleEffect(EFFECT_TE_GUNSHOT, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2107         if(cl_sound_ric_gunshot.integer == 1 || cl_sound_ric_gunshot.integer == 3)
2108         {
2109                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2110                 else
2111                 {
2112                         rnd = rand() & 3;
2113                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2114                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2115                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2116                 }
2117         }
2118 }
2119
2120 // #419 void(vector org) te_spike (DP_TE_STANDARDEFFECTBUILTINS)
2121 static void VM_CL_te_spike (prvm_prog_t *prog)
2122 {
2123         vec3_t          pos, pos2;
2124         int                     rnd;
2125         VM_SAFEPARMCOUNT(1, VM_CL_te_spike);
2126
2127         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2128         CL_FindNonSolidLocation(pos, pos2, 4);
2129         CL_ParticleEffect(EFFECT_TE_SPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2130         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2131         else
2132         {
2133                 rnd = rand() & 3;
2134                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2135                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2136                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2137         }
2138 }
2139
2140 // #420 void(vector org) te_superspike (DP_TE_STANDARDEFFECTBUILTINS)
2141 static void VM_CL_te_superspike (prvm_prog_t *prog)
2142 {
2143         vec3_t          pos, pos2;
2144         int                     rnd;
2145         VM_SAFEPARMCOUNT(1, VM_CL_te_superspike);
2146
2147         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2148         CL_FindNonSolidLocation(pos, pos2, 4);
2149         CL_ParticleEffect(EFFECT_TE_SUPERSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2150         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2151         else
2152         {
2153                 rnd = rand() & 3;
2154                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2155                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2156                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2157         }
2158 }
2159
2160 // #421 void(vector org) te_explosion (DP_TE_STANDARDEFFECTBUILTINS)
2161 static void VM_CL_te_explosion (prvm_prog_t *prog)
2162 {
2163         vec3_t          pos, pos2;
2164         VM_SAFEPARMCOUNT(1, VM_CL_te_explosion);
2165
2166         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2167         CL_FindNonSolidLocation(pos, pos2, 10);
2168         CL_ParticleEffect(EFFECT_TE_EXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2169         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2170 }
2171
2172 // #422 void(vector org) te_tarexplosion (DP_TE_STANDARDEFFECTBUILTINS)
2173 static void VM_CL_te_tarexplosion (prvm_prog_t *prog)
2174 {
2175         vec3_t          pos, pos2;
2176         VM_SAFEPARMCOUNT(1, VM_CL_te_tarexplosion);
2177
2178         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2179         CL_FindNonSolidLocation(pos, pos2, 10);
2180         CL_ParticleEffect(EFFECT_TE_TAREXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2181         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2182 }
2183
2184 // #423 void(vector org) te_wizspike (DP_TE_STANDARDEFFECTBUILTINS)
2185 static void VM_CL_te_wizspike (prvm_prog_t *prog)
2186 {
2187         vec3_t          pos, pos2;
2188         VM_SAFEPARMCOUNT(1, VM_CL_te_wizspike);
2189
2190         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2191         CL_FindNonSolidLocation(pos, pos2, 4);
2192         CL_ParticleEffect(EFFECT_TE_WIZSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2193         S_StartSound(-1, 0, cl.sfx_wizhit, pos2, 1, 1);
2194 }
2195
2196 // #424 void(vector org) te_knightspike (DP_TE_STANDARDEFFECTBUILTINS)
2197 static void VM_CL_te_knightspike (prvm_prog_t *prog)
2198 {
2199         vec3_t          pos, pos2;
2200         VM_SAFEPARMCOUNT(1, VM_CL_te_knightspike);
2201
2202         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2203         CL_FindNonSolidLocation(pos, pos2, 4);
2204         CL_ParticleEffect(EFFECT_TE_KNIGHTSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2205         S_StartSound(-1, 0, cl.sfx_knighthit, pos2, 1, 1);
2206 }
2207
2208 // #425 void(vector org) te_lavasplash (DP_TE_STANDARDEFFECTBUILTINS)
2209 static void VM_CL_te_lavasplash (prvm_prog_t *prog)
2210 {
2211         vec3_t          pos;
2212         VM_SAFEPARMCOUNT(1, VM_CL_te_lavasplash);
2213         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2214         CL_ParticleEffect(EFFECT_TE_LAVASPLASH, 1, pos, pos, vec3_origin, vec3_origin, NULL, 0);
2215 }
2216
2217 // #426 void(vector org) te_teleport (DP_TE_STANDARDEFFECTBUILTINS)
2218 static void VM_CL_te_teleport (prvm_prog_t *prog)
2219 {
2220         vec3_t          pos;
2221         VM_SAFEPARMCOUNT(1, VM_CL_te_teleport);
2222         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2223         CL_ParticleEffect(EFFECT_TE_TELEPORT, 1, pos, pos, vec3_origin, vec3_origin, NULL, 0);
2224 }
2225
2226 // #427 void(vector org, float colorstart, float colorlength) te_explosion2 (DP_TE_STANDARDEFFECTBUILTINS)
2227 static void VM_CL_te_explosion2 (prvm_prog_t *prog)
2228 {
2229         vec3_t          pos, pos2, color;
2230         matrix4x4_t     tempmatrix;
2231         int                     colorStart, colorLength;
2232         unsigned char           *tempcolor;
2233         VM_SAFEPARMCOUNT(3, VM_CL_te_explosion2);
2234
2235         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2236         colorStart = (int)PRVM_G_FLOAT(OFS_PARM1);
2237         colorLength = (int)PRVM_G_FLOAT(OFS_PARM2);
2238         CL_FindNonSolidLocation(pos, pos2, 10);
2239         CL_ParticleExplosion2(pos2, colorStart, colorLength);
2240         tempcolor = palette_rgb[(rand()%colorLength) + colorStart];
2241         color[0] = tempcolor[0] * (2.0f / 255.0f);
2242         color[1] = tempcolor[1] * (2.0f / 255.0f);
2243         color[2] = tempcolor[2] * (2.0f / 255.0f);
2244         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2245         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);
2246         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2247 }
2248
2249
2250 // #428 void(entity own, vector start, vector end) te_lightning1 (DP_TE_STANDARDEFFECTBUILTINS)
2251 static void VM_CL_te_lightning1 (prvm_prog_t *prog)
2252 {
2253         vec3_t          start, end;
2254         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning1);
2255         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2256         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2257         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt, true);
2258 }
2259
2260 // #429 void(entity own, vector start, vector end) te_lightning2 (DP_TE_STANDARDEFFECTBUILTINS)
2261 static void VM_CL_te_lightning2 (prvm_prog_t *prog)
2262 {
2263         vec3_t          start, end;
2264         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning2);
2265         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2266         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2267         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt2, true);
2268 }
2269
2270 // #430 void(entity own, vector start, vector end) te_lightning3 (DP_TE_STANDARDEFFECTBUILTINS)
2271 static void VM_CL_te_lightning3 (prvm_prog_t *prog)
2272 {
2273         vec3_t          start, end;
2274         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning3);
2275         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2276         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2277         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_bolt3, false);
2278 }
2279
2280 // #431 void(entity own, vector start, vector end) te_beam (DP_TE_STANDARDEFFECTBUILTINS)
2281 static void VM_CL_te_beam (prvm_prog_t *prog)
2282 {
2283         vec3_t          start, end;
2284         VM_SAFEPARMCOUNT(3, VM_CL_te_beam);
2285         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), start);
2286         VectorCopy(PRVM_G_VECTOR(OFS_PARM2), end);
2287         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), start, end, cl.model_beam, false);
2288 }
2289
2290 // #433 void(vector org) te_plasmaburn (DP_TE_PLASMABURN)
2291 static void VM_CL_te_plasmaburn (prvm_prog_t *prog)
2292 {
2293         vec3_t          pos, pos2;
2294         VM_SAFEPARMCOUNT(1, VM_CL_te_plasmaburn);
2295
2296         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2297         CL_FindNonSolidLocation(pos, pos2, 4);
2298         CL_ParticleEffect(EFFECT_TE_PLASMABURN, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2299 }
2300
2301 // #457 void(vector org, vector velocity, float howmany) te_flamejet (DP_TE_FLAMEJET)
2302 static void VM_CL_te_flamejet (prvm_prog_t *prog)
2303 {
2304         vec3_t          pos, pos2, vel;
2305         VM_SAFEPARMCOUNT(3, VM_CL_te_flamejet);
2306         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
2307                 return;
2308         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), pos);
2309         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), vel);
2310         CL_FindNonSolidLocation(pos, pos2, 4);
2311         CL_ParticleEffect(EFFECT_TE_FLAMEJET, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, vel, vel, NULL, 0);
2312 }
2313
2314
2315 // #443 void(entity e, entity tagentity, string tagname) setattachment
2316 static void VM_CL_setattachment (prvm_prog_t *prog)
2317 {
2318         prvm_edict_t *e;
2319         prvm_edict_t *tagentity;
2320         const char *tagname;
2321         int modelindex;
2322         int tagindex;
2323         dp_model_t *model;
2324         VM_SAFEPARMCOUNT(3, VM_CL_setattachment);
2325
2326         e = PRVM_G_EDICT(OFS_PARM0);
2327         tagentity = PRVM_G_EDICT(OFS_PARM1);
2328         tagname = PRVM_G_STRING(OFS_PARM2);
2329
2330         if (e == prog->edicts)
2331         {
2332                 VM_Warning(prog, "setattachment: can not modify world entity\n");
2333                 return;
2334         }
2335         if (e->priv.server->free)
2336         {
2337                 VM_Warning(prog, "setattachment: can not modify free entity\n");
2338                 return;
2339         }
2340
2341         if (tagentity == NULL)
2342                 tagentity = prog->edicts;
2343
2344         tagindex = 0;
2345         if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
2346         {
2347                 modelindex = (int)PRVM_clientedictfloat(tagentity, modelindex);
2348                 model = CL_GetModelByIndex(modelindex);
2349                 if (model)
2350                 {
2351                         tagindex = Mod_Alias_GetTagIndexForName(model, (int)PRVM_clientedictfloat(tagentity, skin), tagname);
2352                         if (tagindex == 0)
2353                                 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);
2354                 }
2355                 else
2356                         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));
2357         }
2358
2359         PRVM_clientedictedict(e, tag_entity) = PRVM_EDICT_TO_PROG(tagentity);
2360         PRVM_clientedictfloat(e, tag_index) = tagindex;
2361 }
2362
2363 /////////////////////////////////////////
2364 // DP_MD3_TAGINFO extension coded by VorteX
2365
2366 static int CL_GetTagIndex (prvm_prog_t *prog, prvm_edict_t *e, const char *tagname)
2367 {
2368         dp_model_t *model = CL_GetModelFromEdict(e);
2369         if (model)
2370                 return Mod_Alias_GetTagIndexForName(model, (int)PRVM_clientedictfloat(e, skin), tagname);
2371         else
2372                 return -1;
2373 }
2374
2375 static int CL_GetExtendedTagInfo (prvm_prog_t *prog, prvm_edict_t *e, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix)
2376 {
2377         int r;
2378         dp_model_t *model;
2379
2380         *tagname = NULL;
2381         *parentindex = 0;
2382         Matrix4x4_CreateIdentity(tag_localmatrix);
2383
2384         if (tagindex >= 0
2385          && (model = CL_GetModelFromEdict(e))
2386          && model->animscenes)
2387         {
2388                 r = Mod_Alias_GetExtendedTagInfoForIndex(model, (int)PRVM_clientedictfloat(e, skin), e->priv.server->frameblend, &e->priv.server->skeleton, tagindex - 1, parentindex, tagname, tag_localmatrix);
2389
2390                 if(!r) // success?
2391                         *parentindex += 1;
2392
2393                 return r;
2394         }
2395
2396         return 1;
2397 }
2398
2399 int CL_GetPitchSign(prvm_prog_t *prog, prvm_edict_t *ent)
2400 {
2401         dp_model_t *model;
2402         if ((model = CL_GetModelFromEdict(ent)) && model->type == mod_alias)
2403                 return -1;
2404         return 1;
2405 }
2406
2407 void CL_GetEntityMatrix (prvm_prog_t *prog, prvm_edict_t *ent, matrix4x4_t *out, qboolean viewmatrix)
2408 {
2409         float scale;
2410         float pitchsign = 1;
2411
2412         scale = PRVM_clientedictfloat(ent, scale);
2413         if (!scale)
2414                 scale = 1.0f;
2415
2416         if(viewmatrix)
2417                 *out = r_refdef.view.matrix;
2418         else if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_USEAXIS)
2419         {
2420                 vec3_t forward;
2421                 vec3_t left;
2422                 vec3_t up;
2423                 vec3_t origin;
2424                 VectorScale(PRVM_clientglobalvector(v_forward), scale, forward);
2425                 VectorScale(PRVM_clientglobalvector(v_right), -scale, left);
2426                 VectorScale(PRVM_clientglobalvector(v_up), scale, up);
2427                 VectorCopy(PRVM_clientedictvector(ent, origin), origin);
2428                 Matrix4x4_FromVectors(out, forward, left, up, origin);
2429         }
2430         else
2431         {
2432                 pitchsign = CL_GetPitchSign(prog, ent);
2433                 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);
2434         }
2435 }
2436
2437 static int CL_GetEntityLocalTagMatrix(prvm_prog_t *prog, prvm_edict_t *ent, int tagindex, matrix4x4_t *out)
2438 {
2439         dp_model_t *model;
2440         if (tagindex >= 0
2441          && (model = CL_GetModelFromEdict(ent))
2442          && model->animscenes)
2443         {
2444                 VM_GenerateFrameGroupBlend(prog, ent->priv.server->framegroupblend, ent);
2445                 VM_FrameBlendFromFrameGroupBlend(ent->priv.server->frameblend, ent->priv.server->framegroupblend, model, cl.time);
2446                 VM_UpdateEdictSkeleton(prog, ent, model, ent->priv.server->frameblend);
2447                 return Mod_Alias_GetTagMatrix(model, ent->priv.server->frameblend, &ent->priv.server->skeleton, tagindex, out);
2448         }
2449         *out = identitymatrix;
2450         return 0;
2451 }
2452
2453 // Warnings/errors code:
2454 // 0 - normal (everything all-right)
2455 // 1 - world entity
2456 // 2 - free entity
2457 // 3 - null or non-precached model
2458 // 4 - no tags with requested index
2459 // 5 - runaway loop at attachment chain
2460 extern cvar_t cl_bob;
2461 extern cvar_t cl_bobcycle;
2462 extern cvar_t cl_bobup;
2463 int CL_GetTagMatrix (prvm_prog_t *prog, matrix4x4_t *out, prvm_edict_t *ent, int tagindex)
2464 {
2465         int ret;
2466         int attachloop;
2467         matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
2468         dp_model_t *model;
2469
2470         *out = identitymatrix; // warnings and errors return identical matrix
2471
2472         if (ent == prog->edicts)
2473                 return 1;
2474         if (ent->priv.server->free)
2475                 return 2;
2476
2477         model = CL_GetModelFromEdict(ent);
2478         if(!model)
2479                 return 3;
2480
2481         tagmatrix = identitymatrix;
2482         attachloop = 0;
2483         for(;;)
2484         {
2485                 if(attachloop >= 256)
2486                         return 5;
2487                 // apply transformation by child's tagindex on parent entity and then
2488                 // by parent entity itself
2489                 ret = CL_GetEntityLocalTagMatrix(prog, ent, tagindex - 1, &attachmatrix);
2490                 if(ret && attachloop == 0)
2491                         return ret;
2492                 CL_GetEntityMatrix(prog, ent, &entitymatrix, false);
2493                 Matrix4x4_Concat(&tagmatrix, &attachmatrix, out);
2494                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2495                 // next iteration we process the parent entity
2496                 if (PRVM_clientedictedict(ent, tag_entity))
2497                 {
2498                         tagindex = (int)PRVM_clientedictfloat(ent, tag_index);
2499                         ent = PRVM_EDICT_NUM(PRVM_clientedictedict(ent, tag_entity));
2500                 }
2501                 else
2502                         break;
2503                 attachloop++;
2504         }
2505
2506         // RENDER_VIEWMODEL magic
2507         if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_VIEWMODEL)
2508         {
2509                 Matrix4x4_Copy(&tagmatrix, out);
2510
2511                 CL_GetEntityMatrix(prog, prog->edicts, &entitymatrix, true);
2512                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2513
2514                 /*
2515                 // Cl_bob, ported from rendering code
2516                 if (PRVM_clientedictfloat(ent, health) > 0 && cl_bob.value && cl_bobcycle.value)
2517                 {
2518                         double bob, cycle;
2519                         // LordHavoc: this code is *weird*, but not replacable (I think it
2520                         // should be done in QC on the server, but oh well, quake is quake)
2521                         // LordHavoc: figured out bobup: the time at which the sin is at 180
2522                         // degrees (which allows lengthening or squishing the peak or valley)
2523                         cycle = cl.time/cl_bobcycle.value;
2524                         cycle -= (int)cycle;
2525                         if (cycle < cl_bobup.value)
2526                                 cycle = sin(M_PI * cycle / cl_bobup.value);
2527                         else
2528                                 cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
2529                         // bob is proportional to velocity in the xy plane
2530                         // (don't count Z, or jumping messes it up)
2531                         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;
2532                         bob = bob*0.3 + bob*0.7*cycle;
2533                         Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
2534                 }
2535                 */
2536         }
2537         return 0;
2538 }
2539
2540 // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
2541 static void VM_CL_gettagindex (prvm_prog_t *prog)
2542 {
2543         prvm_edict_t *ent;
2544         const char *tag_name;
2545         int tag_index;
2546
2547         VM_SAFEPARMCOUNT(2, VM_CL_gettagindex);
2548
2549         ent = PRVM_G_EDICT(OFS_PARM0);
2550         tag_name = PRVM_G_STRING(OFS_PARM1);
2551         if (ent == prog->edicts)
2552         {
2553                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect world entity\n", PRVM_NUM_FOR_EDICT(ent));
2554                 return;
2555         }
2556         if (ent->priv.server->free)
2557         {
2558                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect free entity\n", PRVM_NUM_FOR_EDICT(ent));
2559                 return;
2560         }
2561
2562         tag_index = 0;
2563         if (!CL_GetModelFromEdict(ent))
2564                 Con_DPrintf("VM_CL_gettagindex(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(ent));
2565         else
2566         {
2567                 tag_index = CL_GetTagIndex(prog, ent, tag_name);
2568                 if (tag_index == 0)
2569                         if(developer_extra.integer)
2570                                 Con_DPrintf("VM_CL_gettagindex(entity #%i): tag \"%s\" not found\n", PRVM_NUM_FOR_EDICT(ent), tag_name);
2571         }
2572         PRVM_G_FLOAT(OFS_RETURN) = tag_index;
2573 }
2574
2575 // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
2576 static void VM_CL_gettaginfo (prvm_prog_t *prog)
2577 {
2578         prvm_edict_t *e;
2579         int tagindex;
2580         matrix4x4_t tag_matrix;
2581         matrix4x4_t tag_localmatrix;
2582         int parentindex;
2583         const char *tagname;
2584         int returncode;
2585         vec3_t forward, left, up, origin;
2586         const dp_model_t *model;
2587
2588         VM_SAFEPARMCOUNT(2, VM_CL_gettaginfo);
2589
2590         e = PRVM_G_EDICT(OFS_PARM0);
2591         tagindex = (int)PRVM_G_FLOAT(OFS_PARM1);
2592         returncode = CL_GetTagMatrix(prog, &tag_matrix, e, tagindex);
2593         Matrix4x4_ToVectors(&tag_matrix, forward, left, up, origin);
2594         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
2595         VectorScale(left, -1, PRVM_clientglobalvector(v_right));
2596         VectorCopy(up, PRVM_clientglobalvector(v_up));
2597         VectorCopy(origin, PRVM_G_VECTOR(OFS_RETURN));
2598         model = CL_GetModelFromEdict(e);
2599         VM_GenerateFrameGroupBlend(prog, e->priv.server->framegroupblend, e);
2600         VM_FrameBlendFromFrameGroupBlend(e->priv.server->frameblend, e->priv.server->framegroupblend, model, cl.time);
2601         VM_UpdateEdictSkeleton(prog, e, model, e->priv.server->frameblend);
2602         CL_GetExtendedTagInfo(prog, e, tagindex, &parentindex, &tagname, &tag_localmatrix);
2603         Matrix4x4_ToVectors(&tag_localmatrix, forward, left, up, origin);
2604
2605         PRVM_clientglobalfloat(gettaginfo_parent) = parentindex;
2606         PRVM_clientglobalstring(gettaginfo_name) = tagname ? PRVM_SetTempString(prog, tagname) : 0;
2607         VectorCopy(forward, PRVM_clientglobalvector(gettaginfo_forward));
2608         VectorScale(left, -1, PRVM_clientglobalvector(gettaginfo_right));
2609         VectorCopy(up, PRVM_clientglobalvector(gettaginfo_up));
2610         VectorCopy(origin, PRVM_clientglobalvector(gettaginfo_offset));
2611
2612         switch(returncode)
2613         {
2614                 case 1:
2615                         VM_Warning(prog, "gettagindex: can't affect world entity\n");
2616                         break;
2617                 case 2:
2618                         VM_Warning(prog, "gettagindex: can't affect free entity\n");
2619                         break;
2620                 case 3:
2621                         Con_DPrintf("CL_GetTagMatrix(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(e));
2622                         break;
2623                 case 4:
2624                         Con_DPrintf("CL_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", PRVM_NUM_FOR_EDICT(e), tagindex);
2625                         break;
2626                 case 5:
2627                         Con_DPrintf("CL_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", PRVM_NUM_FOR_EDICT(e));
2628                         break;
2629         }
2630 }
2631
2632 //============================================================================
2633
2634 //====================
2635 // DP_CSQC_SPAWNPARTICLE
2636 // a QC hook to engine's CL_NewParticle
2637 //====================
2638
2639 // particle theme struct
2640 typedef struct vmparticletheme_s
2641 {
2642         unsigned short typeindex;
2643         qboolean initialized;
2644         pblend_t blendmode;
2645         porientation_t orientation;
2646         int color1;
2647         int color2;
2648         int tex;
2649         float size;
2650         float sizeincrease;
2651         float alpha;
2652         float alphafade;
2653         float gravity;
2654         float bounce;
2655         float airfriction;
2656         float liquidfriction;
2657         float originjitter;
2658         float velocityjitter;
2659         qboolean qualityreduction;
2660         float lifetime;
2661         float stretch;
2662         int staincolor1;
2663         int staincolor2;
2664         int staintex;
2665         float stainalpha;
2666         float stainsize;
2667         float delayspawn;
2668         float delaycollision;
2669         float angle;
2670         float spin;
2671 }vmparticletheme_t;
2672
2673 // particle spawner
2674 typedef struct vmparticlespawner_s
2675 {
2676         mempool_t                       *pool;
2677         qboolean                        initialized;
2678         qboolean                        verified;
2679         vmparticletheme_t       *themes;
2680         int                                     max_themes;
2681 }vmparticlespawner_t;
2682
2683 vmparticlespawner_t vmpartspawner;
2684
2685 // TODO: automatic max_themes grow
2686 static void VM_InitParticleSpawner (prvm_prog_t *prog, int maxthemes)
2687 {
2688         // bound max themes to not be an insane value
2689         if (maxthemes < 4)
2690                 maxthemes = 4;
2691         if (maxthemes > 2048)
2692                 maxthemes = 2048;
2693         // allocate and set up structure
2694         if (vmpartspawner.initialized) // reallocate
2695         {
2696                 Mem_FreePool(&vmpartspawner.pool);
2697                 memset(&vmpartspawner, 0, sizeof(vmparticlespawner_t));
2698         }
2699         vmpartspawner.pool = Mem_AllocPool("VMPARTICLESPAWNER", 0, NULL);
2700         vmpartspawner.themes = (vmparticletheme_t *)Mem_Alloc(vmpartspawner.pool, sizeof(vmparticletheme_t)*maxthemes);
2701         vmpartspawner.max_themes = maxthemes;
2702         vmpartspawner.initialized = true;
2703         vmpartspawner.verified = true;
2704 }
2705
2706 // reset particle theme to default values
2707 static void VM_ResetParticleTheme (vmparticletheme_t *theme)
2708 {
2709         theme->initialized = true;
2710         theme->typeindex = pt_static;
2711         theme->blendmode = PBLEND_ADD;
2712         theme->orientation = PARTICLE_BILLBOARD;
2713         theme->color1 = 0x808080;
2714         theme->color2 = 0xFFFFFF;
2715         theme->tex = 63;
2716         theme->size = 2;
2717         theme->sizeincrease = 0;
2718         theme->alpha = 256;
2719         theme->alphafade = 512;
2720         theme->gravity = 0.0f;
2721         theme->bounce = 0.0f;
2722         theme->airfriction = 1.0f;
2723         theme->liquidfriction = 4.0f;
2724         theme->originjitter = 0.0f;
2725         theme->velocityjitter = 0.0f;
2726         theme->qualityreduction = false;
2727         theme->lifetime = 4;
2728         theme->stretch = 1;
2729         theme->staincolor1 = -1;
2730         theme->staincolor2 = -1;
2731         theme->staintex = -1;
2732         theme->delayspawn = 0.0f;
2733         theme->delaycollision = 0.0f;
2734         theme->angle = 0.0f;
2735         theme->spin = 0.0f;
2736 }
2737
2738 // particle theme -> QC globals
2739 static void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme, prvm_prog_t *prog)
2740 {
2741         PRVM_clientglobalfloat(particle_type) = theme->typeindex;
2742         PRVM_clientglobalfloat(particle_blendmode) = theme->blendmode;
2743         PRVM_clientglobalfloat(particle_orientation) = theme->orientation;
2744         // VorteX: int only can store 0-255, not 0-256 which means 0 - 0,99609375...
2745         VectorSet(PRVM_clientglobalvector(particle_color1), (theme->color1 >> 16) & 0xFF, (theme->color1 >> 8) & 0xFF, (theme->color1 >> 0) & 0xFF);
2746         VectorSet(PRVM_clientglobalvector(particle_color2), (theme->color2 >> 16) & 0xFF, (theme->color2 >> 8) & 0xFF, (theme->color2 >> 0) & 0xFF);
2747         PRVM_clientglobalfloat(particle_tex) = (prvm_vec_t)theme->tex;
2748         PRVM_clientglobalfloat(particle_size) = theme->size;
2749         PRVM_clientglobalfloat(particle_sizeincrease) = theme->sizeincrease;
2750         PRVM_clientglobalfloat(particle_alpha) = theme->alpha/256;
2751         PRVM_clientglobalfloat(particle_alphafade) = theme->alphafade/256;
2752         PRVM_clientglobalfloat(particle_time) = theme->lifetime;
2753         PRVM_clientglobalfloat(particle_gravity) = theme->gravity;
2754         PRVM_clientglobalfloat(particle_bounce) = theme->bounce;
2755         PRVM_clientglobalfloat(particle_airfriction) = theme->airfriction;
2756         PRVM_clientglobalfloat(particle_liquidfriction) = theme->liquidfriction;
2757         PRVM_clientglobalfloat(particle_originjitter) = theme->originjitter;
2758         PRVM_clientglobalfloat(particle_velocityjitter) = theme->velocityjitter;
2759         PRVM_clientglobalfloat(particle_qualityreduction) = theme->qualityreduction;
2760         PRVM_clientglobalfloat(particle_stretch) = theme->stretch;
2761         VectorSet(PRVM_clientglobalvector(particle_staincolor1), ((int)theme->staincolor1 >> 16) & 0xFF, ((int)theme->staincolor1 >> 8) & 0xFF, ((int)theme->staincolor1 >> 0) & 0xFF);
2762         VectorSet(PRVM_clientglobalvector(particle_staincolor2), ((int)theme->staincolor2 >> 16) & 0xFF, ((int)theme->staincolor2 >> 8) & 0xFF, ((int)theme->staincolor2 >> 0) & 0xFF);
2763         PRVM_clientglobalfloat(particle_staintex) = (prvm_vec_t)theme->staintex;
2764         PRVM_clientglobalfloat(particle_stainalpha) = (prvm_vec_t)theme->stainalpha/256;
2765         PRVM_clientglobalfloat(particle_stainsize) = (prvm_vec_t)theme->stainsize;
2766         PRVM_clientglobalfloat(particle_delayspawn) = theme->delayspawn;
2767         PRVM_clientglobalfloat(particle_delaycollision) = theme->delaycollision;
2768         PRVM_clientglobalfloat(particle_angle) = theme->angle;
2769         PRVM_clientglobalfloat(particle_spin) = theme->spin;
2770 }
2771
2772 // QC globals ->  particle theme
2773 static void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme, prvm_prog_t *prog)
2774 {
2775         theme->typeindex = (unsigned short)PRVM_clientglobalfloat(particle_type);
2776         theme->blendmode = (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode);
2777         theme->orientation = (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation);
2778         theme->color1 = ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]);
2779         theme->color2 = ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]);
2780         theme->tex = (int)PRVM_clientglobalfloat(particle_tex);
2781         theme->size = PRVM_clientglobalfloat(particle_size);
2782         theme->sizeincrease = PRVM_clientglobalfloat(particle_sizeincrease);
2783         theme->alpha = PRVM_clientglobalfloat(particle_alpha)*256;
2784         theme->alphafade = PRVM_clientglobalfloat(particle_alphafade)*256;
2785         theme->lifetime = PRVM_clientglobalfloat(particle_time);
2786         theme->gravity = PRVM_clientglobalfloat(particle_gravity);
2787         theme->bounce = PRVM_clientglobalfloat(particle_bounce);
2788         theme->airfriction = PRVM_clientglobalfloat(particle_airfriction);
2789         theme->liquidfriction = PRVM_clientglobalfloat(particle_liquidfriction);
2790         theme->originjitter = PRVM_clientglobalfloat(particle_originjitter);
2791         theme->velocityjitter = PRVM_clientglobalfloat(particle_velocityjitter);
2792         theme->qualityreduction = PRVM_clientglobalfloat(particle_qualityreduction) != 0 ? true : false;
2793         theme->stretch = PRVM_clientglobalfloat(particle_stretch);
2794         theme->staincolor1 = ((int)PRVM_clientglobalvector(particle_staincolor1)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor1)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor1)[2]);
2795         theme->staincolor2 = (int)(PRVM_clientglobalvector(particle_staincolor2)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor2)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor2)[2]);
2796         theme->staintex =(int)PRVM_clientglobalfloat(particle_staintex);
2797         theme->stainalpha = PRVM_clientglobalfloat(particle_stainalpha)*256;
2798         theme->stainsize = PRVM_clientglobalfloat(particle_stainsize);
2799         theme->delayspawn = PRVM_clientglobalfloat(particle_delayspawn);
2800         theme->delaycollision = PRVM_clientglobalfloat(particle_delaycollision);
2801         theme->angle = PRVM_clientglobalfloat(particle_angle);
2802         theme->spin = PRVM_clientglobalfloat(particle_spin);
2803 }
2804
2805 // init particle spawner interface
2806 // # float(float max_themes) initparticlespawner
2807 static void VM_CL_InitParticleSpawner (prvm_prog_t *prog)
2808 {
2809         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_InitParticleSpawner);
2810         VM_InitParticleSpawner(prog, (int)PRVM_G_FLOAT(OFS_PARM0));
2811         vmpartspawner.themes[0].initialized = true;
2812         VM_ResetParticleTheme(&vmpartspawner.themes[0]);
2813         PRVM_G_FLOAT(OFS_RETURN) = (vmpartspawner.verified == true) ? 1 : 0;
2814 }
2815
2816 // void() resetparticle
2817 static void VM_CL_ResetParticle (prvm_prog_t *prog)
2818 {
2819         VM_SAFEPARMCOUNT(0, VM_CL_ResetParticle);
2820         if (vmpartspawner.verified == false)
2821         {
2822                 VM_Warning(prog, "VM_CL_ResetParticle: particle spawner not initialized\n");
2823                 return;
2824         }
2825         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2826 }
2827
2828 // void(float themenum) particletheme
2829 static void VM_CL_ParticleTheme (prvm_prog_t *prog)
2830 {
2831         int themenum;
2832
2833         VM_SAFEPARMCOUNT(1, VM_CL_ParticleTheme);
2834         if (vmpartspawner.verified == false)
2835         {
2836                 VM_Warning(prog, "VM_CL_ParticleTheme: particle spawner not initialized\n");
2837                 return;
2838         }
2839         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2840         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2841         {
2842                 VM_Warning(prog, "VM_CL_ParticleTheme: bad theme number %i\n", themenum);
2843                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2844                 return;
2845         }
2846         if (vmpartspawner.themes[themenum].initialized == false)
2847         {
2848                 VM_Warning(prog, "VM_CL_ParticleTheme: theme #%i not exists\n", themenum);
2849                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2850                 return;
2851         }
2852         // load particle theme into globals
2853         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[themenum], prog);
2854 }
2855
2856 // float() saveparticletheme
2857 // void(float themenum) updateparticletheme
2858 static void VM_CL_ParticleThemeSave (prvm_prog_t *prog)
2859 {
2860         int themenum;
2861
2862         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_ParticleThemeSave);
2863         if (vmpartspawner.verified == false)
2864         {
2865                 VM_Warning(prog, "VM_CL_ParticleThemeSave: particle spawner not initialized\n");
2866                 return;
2867         }
2868         // allocate new theme, save it and return
2869         if (prog->argc < 1)
2870         {
2871                 for (themenum = 0; themenum < vmpartspawner.max_themes; themenum++)
2872                         if (vmpartspawner.themes[themenum].initialized == false)
2873                                 break;
2874                 if (themenum >= vmpartspawner.max_themes)
2875                 {
2876                         if (vmpartspawner.max_themes == 2048)
2877                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots\n");
2878                         else
2879                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots, try initparticlespawner() with highter max_themes\n");
2880                         PRVM_G_FLOAT(OFS_RETURN) = -1;
2881                         return;
2882                 }
2883                 vmpartspawner.themes[themenum].initialized = true;
2884                 VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum], prog);
2885                 PRVM_G_FLOAT(OFS_RETURN) = themenum;
2886                 return;
2887         }
2888         // update existing theme
2889         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2890         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2891         {
2892                 VM_Warning(prog, "VM_CL_ParticleThemeSave: bad theme number %i\n", themenum);
2893                 return;
2894         }
2895         vmpartspawner.themes[themenum].initialized = true;
2896         VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum], prog);
2897 }
2898
2899 // void(float themenum) freeparticletheme
2900 static void VM_CL_ParticleThemeFree (prvm_prog_t *prog)
2901 {
2902         int themenum;
2903
2904         VM_SAFEPARMCOUNT(1, VM_CL_ParticleThemeFree);
2905         if (vmpartspawner.verified == false)
2906         {
2907                 VM_Warning(prog, "VM_CL_ParticleThemeFree: particle spawner not initialized\n");
2908                 return;
2909         }
2910         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2911         // check parms
2912         if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2913         {
2914                 VM_Warning(prog, "VM_CL_ParticleThemeFree: bad theme number %i\n", themenum);
2915                 return;
2916         }
2917         if (vmpartspawner.themes[themenum].initialized == false)
2918         {
2919                 VM_Warning(prog, "VM_CL_ParticleThemeFree: theme #%i already freed\n", themenum);
2920                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0], prog);
2921                 return;
2922         }
2923         // free theme
2924         VM_ResetParticleTheme(&vmpartspawner.themes[themenum]);
2925         vmpartspawner.themes[themenum].initialized = false;
2926 }
2927
2928 // float(vector org, vector dir, [float theme]) particle
2929 // returns 0 if failed, 1 if succesful
2930 static void VM_CL_SpawnParticle (prvm_prog_t *prog)
2931 {
2932         vec3_t org, dir;
2933         vmparticletheme_t *theme;
2934         particle_t *part;
2935         int themenum;
2936
2937         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_SpawnParticle2);
2938         if (vmpartspawner.verified == false)
2939         {
2940                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
2941                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2942                 return;
2943         }
2944         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
2945         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
2946         
2947         if (prog->argc < 3) // global-set particle
2948         {
2949                 part = CL_NewParticle(org,
2950                         (unsigned short)PRVM_clientglobalfloat(particle_type),
2951                         ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]),
2952                         ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]),
2953                         (int)PRVM_clientglobalfloat(particle_tex),
2954                         PRVM_clientglobalfloat(particle_size),
2955                         PRVM_clientglobalfloat(particle_sizeincrease),
2956                         PRVM_clientglobalfloat(particle_alpha)*256,
2957                         PRVM_clientglobalfloat(particle_alphafade)*256,
2958                         PRVM_clientglobalfloat(particle_gravity),
2959                         PRVM_clientglobalfloat(particle_bounce),
2960                         org[0],
2961                         org[1],
2962                         org[2],
2963                         dir[0],
2964                         dir[1],
2965                         dir[2],
2966                         PRVM_clientglobalfloat(particle_airfriction),
2967                         PRVM_clientglobalfloat(particle_liquidfriction),
2968                         PRVM_clientglobalfloat(particle_originjitter),
2969                         PRVM_clientglobalfloat(particle_velocityjitter),
2970                         (PRVM_clientglobalfloat(particle_qualityreduction)) ? true : false,
2971                         PRVM_clientglobalfloat(particle_time),
2972                         PRVM_clientglobalfloat(particle_stretch),
2973                         (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode),
2974                         (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation),
2975                         (int)(PRVM_clientglobalvector(particle_staincolor1)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor1)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor1)[2]),
2976                         (int)(PRVM_clientglobalvector(particle_staincolor2)[0])*65536 + (int)(PRVM_clientglobalvector(particle_staincolor2)[1])*256 + (int)(PRVM_clientglobalvector(particle_staincolor2)[2]),
2977                         (int)PRVM_clientglobalfloat(particle_staintex),
2978                         PRVM_clientglobalfloat(particle_stainalpha)*256,
2979                         PRVM_clientglobalfloat(particle_stainsize),
2980                         PRVM_clientglobalfloat(particle_angle),
2981                         PRVM_clientglobalfloat(particle_spin),
2982                         NULL);
2983                 if (!part)
2984                 {
2985                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2986                         return;
2987                 }
2988                 if (PRVM_clientglobalfloat(particle_delayspawn))
2989                         part->delayedspawn = cl.time + PRVM_clientglobalfloat(particle_delayspawn);
2990                 //if (PRVM_clientglobalfloat(particle_delaycollision))
2991                 //      part->delayedcollisions = cl.time + PRVM_clientglobalfloat(particle_delaycollision);
2992         }
2993         else // quick themed particle
2994         {
2995                 themenum = (int)PRVM_G_FLOAT(OFS_PARM2);
2996                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2997                 {
2998                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2999                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
3000                         return;
3001                 }
3002                 theme = &vmpartspawner.themes[themenum];
3003                 part = CL_NewParticle(org,
3004                         theme->typeindex,
3005                         theme->color1,
3006                         theme->color2,
3007                         theme->tex,
3008                         theme->size,
3009                         theme->sizeincrease,
3010                         theme->alpha,
3011                         theme->alphafade,
3012                         theme->gravity,
3013                         theme->bounce,
3014                         org[0],
3015                         org[1],
3016                         org[2],
3017                         dir[0],
3018                         dir[1],
3019                         dir[2],
3020                         theme->airfriction,
3021                         theme->liquidfriction,
3022                         theme->originjitter,
3023                         theme->velocityjitter,
3024                         theme->qualityreduction,
3025                         theme->lifetime,
3026                         theme->stretch,
3027                         theme->blendmode,
3028                         theme->orientation,
3029                         theme->staincolor1,
3030                         theme->staincolor2,
3031                         theme->staintex,
3032                         theme->stainalpha,
3033                         theme->stainsize,
3034                         theme->angle,
3035                         theme->spin,
3036                         NULL);
3037                 if (!part)
3038                 {
3039                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
3040                         return;
3041                 }
3042                 if (theme->delayspawn)
3043                         part->delayedspawn = cl.time + theme->delayspawn;
3044                 //if (theme->delaycollision)
3045                 //      part->delayedcollisions = cl.time + theme->delaycollision;
3046         }
3047         PRVM_G_FLOAT(OFS_RETURN) = 1; 
3048 }
3049
3050 // float(vector org, vector dir, float spawndelay, float collisiondelay, [float theme]) delayedparticle
3051 // returns 0 if failed, 1 if success
3052 static void VM_CL_SpawnParticleDelayed (prvm_prog_t *prog)
3053 {
3054         vec3_t org, dir;
3055         vmparticletheme_t *theme;
3056         particle_t *part;
3057         int themenum;
3058
3059         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_SpawnParticle2);
3060         if (vmpartspawner.verified == false)
3061         {
3062                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
3063                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3064                 return;
3065         }
3066         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
3067         VectorCopy(PRVM_G_VECTOR(OFS_PARM1), dir);
3068         if (prog->argc < 5) // global-set particle
3069                 part = CL_NewParticle(org,
3070                         (unsigned short)PRVM_clientglobalfloat(particle_type),
3071                         ((int)PRVM_clientglobalvector(particle_color1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color1)[2]),
3072                         ((int)PRVM_clientglobalvector(particle_color2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_color2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_color2)[2]),
3073                         (int)PRVM_clientglobalfloat(particle_tex),
3074                         PRVM_clientglobalfloat(particle_size),
3075                         PRVM_clientglobalfloat(particle_sizeincrease),
3076                         PRVM_clientglobalfloat(particle_alpha)*256,
3077                         PRVM_clientglobalfloat(particle_alphafade)*256,
3078                         PRVM_clientglobalfloat(particle_gravity),
3079                         PRVM_clientglobalfloat(particle_bounce),
3080                         org[0],
3081                         org[1],
3082                         org[2],
3083                         dir[0],
3084                         dir[1],
3085                         dir[2],
3086                         PRVM_clientglobalfloat(particle_airfriction),
3087                         PRVM_clientglobalfloat(particle_liquidfriction),
3088                         PRVM_clientglobalfloat(particle_originjitter),
3089                         PRVM_clientglobalfloat(particle_velocityjitter),
3090                         (PRVM_clientglobalfloat(particle_qualityreduction)) ? true : false,
3091                         PRVM_clientglobalfloat(particle_time),
3092                         PRVM_clientglobalfloat(particle_stretch),
3093                         (pblend_t)(int)PRVM_clientglobalfloat(particle_blendmode),
3094                         (porientation_t)(int)PRVM_clientglobalfloat(particle_orientation),
3095                         ((int)PRVM_clientglobalvector(particle_staincolor1)[0] << 16) + ((int)PRVM_clientglobalvector(particle_staincolor1)[1] << 8) + ((int)PRVM_clientglobalvector(particle_staincolor1)[2]),
3096                         ((int)PRVM_clientglobalvector(particle_staincolor2)[0] << 16) + ((int)PRVM_clientglobalvector(particle_staincolor2)[1] << 8) + ((int)PRVM_clientglobalvector(particle_staincolor2)[2]),
3097                         (int)PRVM_clientglobalfloat(particle_staintex),
3098                         PRVM_clientglobalfloat(particle_stainalpha)*256,
3099                         PRVM_clientglobalfloat(particle_stainsize),
3100                         PRVM_clientglobalfloat(particle_angle),
3101                         PRVM_clientglobalfloat(particle_spin),
3102                         NULL);
3103         else // themed particle
3104         {
3105                 themenum = (int)PRVM_G_FLOAT(OFS_PARM4);
3106                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
3107                 {
3108                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
3109                         PRVM_G_FLOAT(OFS_RETURN) = 0;  
3110                         return;
3111                 }
3112                 theme = &vmpartspawner.themes[themenum];
3113                 part = CL_NewParticle(org,
3114                         theme->typeindex,
3115                         theme->color1,
3116                         theme->color2,
3117                         theme->tex,
3118                         theme->size,
3119                         theme->sizeincrease,
3120                         theme->alpha,
3121                         theme->alphafade,
3122                         theme->gravity,
3123                         theme->bounce,
3124                         org[0],
3125                         org[1],
3126                         org[2],
3127                         dir[0],
3128                         dir[1],
3129                         dir[2],
3130                         theme->airfriction,
3131                         theme->liquidfriction,
3132                         theme->originjitter,
3133                         theme->velocityjitter,
3134                         theme->qualityreduction,
3135                         theme->lifetime,
3136                         theme->stretch,
3137                         theme->blendmode,
3138                         theme->orientation,
3139                         theme->staincolor1,
3140                         theme->staincolor2,
3141                         theme->staintex,
3142                         theme->stainalpha,
3143                         theme->stainsize,
3144                         theme->angle,
3145                         theme->spin,
3146                         NULL);
3147         }
3148         if (!part) 
3149         { 
3150                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3151                 return; 
3152         }
3153         part->delayedspawn = cl.time + PRVM_G_FLOAT(OFS_PARM2);
3154         //part->delayedcollisions = cl.time + PRVM_G_FLOAT(OFS_PARM3);
3155         PRVM_G_FLOAT(OFS_RETURN) = 0;
3156 }
3157
3158 //====================
3159 //CSQC engine entities query
3160 //====================
3161
3162 // float(float entitynum, float whatfld) getentity;
3163 // vector(float entitynum, float whatfld) getentityvec;
3164 // querying engine-drawn entity
3165 // VorteX: currently it's only tested with whatfld = 1..7
3166 static void VM_CL_GetEntity (prvm_prog_t *prog)
3167 {
3168         int entnum, fieldnum;
3169         vec3_t forward, left, up, org;
3170         VM_SAFEPARMCOUNT(2, VM_CL_GetEntityVec);
3171
3172         entnum = PRVM_G_FLOAT(OFS_PARM0);
3173         if (entnum < 0 || entnum >= cl.num_entities)
3174         {
3175                 PRVM_G_FLOAT(OFS_RETURN) = 0;
3176                 return;
3177         }
3178         fieldnum = PRVM_G_FLOAT(OFS_PARM1);
3179         switch(fieldnum)
3180         {
3181                 case 0: // active state
3182                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities_active[entnum];
3183                         break;
3184                 case 1: // origin
3185                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3186                         VectorCopy(org, PRVM_G_VECTOR(OFS_RETURN));
3187                         break; 
3188                 case 2: // forward
3189                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3190                         VectorCopy(forward, PRVM_G_VECTOR(OFS_RETURN));
3191                         break;
3192                 case 3: // right
3193                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3194                         VectorNegate(left, PRVM_G_VECTOR(OFS_RETURN));
3195                         break;
3196                 case 4: // up
3197                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3198                         VectorCopy(up, PRVM_G_VECTOR(OFS_RETURN));
3199                         break;
3200                 case 5: // scale
3201                         PRVM_G_FLOAT(OFS_RETURN) = Matrix4x4_ScaleFromMatrix(&cl.entities[entnum].render.matrix);
3202                         break;  
3203                 case 6: // origin + v_forward, v_right, v_up
3204                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, forward, left, up, org);
3205                         VectorCopy(forward, PRVM_clientglobalvector(v_forward));
3206                         VectorNegate(left, PRVM_clientglobalvector(v_right));
3207                         VectorCopy(up, PRVM_clientglobalvector(v_up));
3208                         VectorCopy(org, PRVM_G_VECTOR(OFS_RETURN));
3209                         break;  
3210                 case 7: // alpha
3211                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.alpha;
3212                         break;  
3213                 case 8: // colormor
3214                         VectorCopy(cl.entities[entnum].render.colormod, PRVM_G_VECTOR(OFS_RETURN));
3215                         break;
3216                 case 9: // pants colormod
3217                         VectorCopy(cl.entities[entnum].render.colormap_pantscolor, PRVM_G_VECTOR(OFS_RETURN));
3218                         break;
3219                 case 10: // shirt colormod
3220                         VectorCopy(cl.entities[entnum].render.colormap_shirtcolor, PRVM_G_VECTOR(OFS_RETURN));
3221                         break;
3222                 case 11: // skinnum
3223                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.skinnum;
3224                         break;  
3225                 case 12: // mins
3226                         VectorCopy(cl.entities[entnum].render.mins, PRVM_G_VECTOR(OFS_RETURN));         
3227                         break;  
3228                 case 13: // maxs
3229                         VectorCopy(cl.entities[entnum].render.maxs, PRVM_G_VECTOR(OFS_RETURN));         
3230                         break;  
3231                 case 14: // absmin
3232                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3233                         VectorAdd(cl.entities[entnum].render.mins, org, PRVM_G_VECTOR(OFS_RETURN));             
3234                         break;  
3235                 case 15: // absmax
3236                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3237                         VectorAdd(cl.entities[entnum].render.maxs, org, PRVM_G_VECTOR(OFS_RETURN));             
3238                         break;
3239                 case 16: // light
3240                         VectorMA(cl.entities[entnum].render.modellight_ambient, 0.5, cl.entities[entnum].render.modellight_diffuse, PRVM_G_VECTOR(OFS_RETURN));
3241                         break;  
3242                 default:
3243                         PRVM_G_FLOAT(OFS_RETURN) = 0;
3244                         break;
3245         }
3246 }
3247
3248 //====================
3249 //QC POLYGON functions
3250 //====================
3251
3252 //#304 void() renderscene (EXT_CSQC)
3253 // moved that here to reset the polygons,
3254 // resetting them earlier causes R_Mesh_Draw to be called with numvertices = 0
3255 // --blub
3256 static void VM_CL_R_RenderScene (prvm_prog_t *prog)
3257 {
3258         double t = Sys_DirtyTime();
3259         vmpolygons_t *polys = &prog->vmpolygons;
3260         VM_SAFEPARMCOUNT(0, VM_CL_R_RenderScene);
3261
3262         // update the views
3263         if(r_refdef.view.ismain)
3264         {
3265                 // set the main view
3266                 csqc_main_r_refdef_view = r_refdef.view;
3267
3268                 // clear the flags so no other view becomes "main" unless CSQC sets VF_MAINVIEW
3269                 r_refdef.view.ismain = false;
3270                 csqc_original_r_refdef_view.ismain = false;
3271         }
3272
3273         // we need to update any RENDER_VIEWMODEL entities at this point because
3274         // csqc supplies its own view matrix
3275         CL_UpdateViewEntities();
3276
3277         // now draw stuff!
3278         R_RenderView();
3279
3280         polys->num_vertices = polys->num_triangles = 0;
3281
3282         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
3283         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
3284         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
3285 }
3286
3287 static void VM_ResizePolygons(vmpolygons_t *polys)
3288 {
3289         float *oldvertex3f = polys->data_vertex3f;
3290         float *oldcolor4f = polys->data_color4f;
3291         float *oldtexcoord2f = polys->data_texcoord2f;
3292         vmpolygons_triangle_t *oldtriangles = polys->data_triangles;
3293         unsigned short *oldsortedelement3s = polys->data_sortedelement3s;
3294         polys->max_vertices = min(polys->max_triangles*3, 65536);
3295         polys->data_vertex3f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[3]));
3296         polys->data_color4f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[4]));
3297         polys->data_texcoord2f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[2]));
3298         polys->data_triangles = (vmpolygons_triangle_t *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(vmpolygons_triangle_t));
3299         polys->data_sortedelement3s = (unsigned short *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(unsigned short[3]));
3300         if (polys->num_vertices)
3301         {
3302                 memcpy(polys->data_vertex3f, oldvertex3f, polys->num_vertices*sizeof(float[3]));
3303                 memcpy(polys->data_color4f, oldcolor4f, polys->num_vertices*sizeof(float[4]));
3304                 memcpy(polys->data_texcoord2f, oldtexcoord2f, polys->num_vertices*sizeof(float[2]));
3305         }
3306         if (polys->num_triangles)
3307         {
3308                 memcpy(polys->data_triangles, oldtriangles, polys->num_triangles*sizeof(vmpolygons_triangle_t));
3309                 memcpy(polys->data_sortedelement3s, oldsortedelement3s, polys->num_triangles*sizeof(unsigned short[3]));
3310         }
3311         if (oldvertex3f)
3312                 Mem_Free(oldvertex3f);
3313         if (oldcolor4f)
3314                 Mem_Free(oldcolor4f);
3315         if (oldtexcoord2f)
3316                 Mem_Free(oldtexcoord2f);
3317         if (oldtriangles)
3318                 Mem_Free(oldtriangles);
3319         if (oldsortedelement3s)
3320                 Mem_Free(oldsortedelement3s);
3321 }
3322
3323 static void VM_InitPolygons (vmpolygons_t* polys)
3324 {
3325         memset(polys, 0, sizeof(*polys));
3326         polys->pool = Mem_AllocPool("VMPOLY", 0, NULL);
3327         polys->max_triangles = 1024;
3328         VM_ResizePolygons(polys);
3329         polys->initialized = true;
3330 }
3331
3332 static void VM_DrawPolygonCallback (const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
3333 {
3334         int surfacelistindex;
3335         vmpolygons_t *polys = (vmpolygons_t *)ent;
3336 //      R_Mesh_ResetTextureState();
3337         R_EntityMatrix(&identitymatrix);
3338         GL_CullFace(GL_NONE);
3339         GL_DepthTest(true); // polys in 3D space shall always have depth test
3340         GL_DepthRange(0, 1);
3341         R_Mesh_PrepareVertices_Generic_Arrays(polys->num_vertices, polys->data_vertex3f, polys->data_color4f, polys->data_texcoord2f);
3342
3343         for (surfacelistindex = 0;surfacelistindex < numsurfaces;)
3344         {
3345                 int numtriangles = 0;
3346                 rtexture_t *tex = polys->data_triangles[surfacelist[surfacelistindex]].texture;
3347                 int drawflag = polys->data_triangles[surfacelist[surfacelistindex]].drawflag;
3348                 DrawQ_ProcessDrawFlag(drawflag, polys->data_triangles[surfacelist[surfacelistindex]].hasalpha);
3349                 R_SetupShader_Generic(tex, NULL, GL_MODULATE, 1, false, false, false);
3350                 numtriangles = 0;
3351                 for (;surfacelistindex < numsurfaces;surfacelistindex++)
3352                 {
3353                         if (polys->data_triangles[surfacelist[surfacelistindex]].texture != tex || polys->data_triangles[surfacelist[surfacelistindex]].drawflag != drawflag)
3354                                 break;
3355                         VectorCopy(polys->data_triangles[surfacelist[surfacelistindex]].elements, polys->data_sortedelement3s + 3*numtriangles);
3356                         numtriangles++;
3357                 }
3358                 R_Mesh_Draw(0, polys->num_vertices, 0, numtriangles, NULL, NULL, 0, polys->data_sortedelement3s, NULL, 0);
3359         }
3360 }
3361
3362 static void VMPolygons_Store(vmpolygons_t *polys)
3363 {
3364         qboolean hasalpha;
3365         int i;
3366
3367         // detect if we have alpha
3368         hasalpha = polys->begin_texture_hasalpha;
3369         for(i = 0; !hasalpha && (i < polys->begin_vertices); ++i)
3370                 if(polys->begin_color[i][3] < 1)
3371                         hasalpha = true;
3372
3373         if (polys->begin_draw2d)
3374         {
3375                 // draw the polygon as 2D immediately
3376                 drawqueuemesh_t mesh;
3377                 mesh.texture = polys->begin_texture;
3378                 mesh.num_vertices = polys->begin_vertices;
3379                 mesh.num_triangles = polys->begin_vertices-2;
3380                 mesh.data_element3i = polygonelement3i;
3381                 mesh.data_element3s = polygonelement3s;
3382                 mesh.data_vertex3f = polys->begin_vertex[0];
3383                 mesh.data_color4f = polys->begin_color[0];
3384                 mesh.data_texcoord2f = polys->begin_texcoord[0];
3385                 DrawQ_Mesh(&mesh, polys->begin_drawflag, hasalpha);
3386         }
3387         else
3388         {
3389                 // queue the polygon as 3D for sorted transparent rendering later
3390                 int i;
3391                 if (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3392                 {
3393                         while (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3394                                 polys->max_triangles *= 2;
3395                         VM_ResizePolygons(polys);
3396                 }
3397                 if (polys->num_vertices + polys->begin_vertices <= polys->max_vertices)
3398                 {
3399                         // needle in a haystack!
3400                         // polys->num_vertices was used for copying where we actually want to copy begin_vertices
3401                         // that also caused it to not render the first polygon that is added
3402                         // --blub
3403                         memcpy(polys->data_vertex3f + polys->num_vertices * 3, polys->begin_vertex[0], polys->begin_vertices * sizeof(float[3]));
3404                         memcpy(polys->data_color4f + polys->num_vertices * 4, polys->begin_color[0], polys->begin_vertices * sizeof(float[4]));
3405                         memcpy(polys->data_texcoord2f + polys->num_vertices * 2, polys->begin_texcoord[0], polys->begin_vertices * sizeof(float[2]));
3406                         for (i = 0;i < polys->begin_vertices-2;i++)
3407                         {
3408                                 polys->data_triangles[polys->num_triangles].texture = polys->begin_texture;
3409                                 polys->data_triangles[polys->num_triangles].drawflag = polys->begin_drawflag;
3410                                 polys->data_triangles[polys->num_triangles].elements[0] = polys->num_vertices;
3411                                 polys->data_triangles[polys->num_triangles].elements[1] = polys->num_vertices + i+1;
3412                                 polys->data_triangles[polys->num_triangles].elements[2] = polys->num_vertices + i+2;
3413                                 polys->data_triangles[polys->num_triangles].hasalpha = hasalpha;
3414                                 polys->num_triangles++;
3415                         }
3416                         polys->num_vertices += polys->begin_vertices;
3417                 }
3418         }
3419         polys->begin_active = false;
3420 }
3421
3422 // TODO: move this into the client code and clean-up everything else, too! [1/6/2008 Black]
3423 // LordHavoc: agreed, this is a mess
3424 void VM_CL_AddPolygonsToMeshQueue (prvm_prog_t *prog)
3425 {
3426         int i;
3427         vmpolygons_t *polys = &prog->vmpolygons;
3428         vec3_t center;
3429
3430         // only add polygons of the currently active prog to the queue - if there is none, we're done
3431         if( !prog )
3432                 return;
3433
3434         if (!polys->num_triangles)
3435                 return;
3436
3437         for (i = 0;i < polys->num_triangles;i++)
3438         {
3439                 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);
3440                 R_MeshQueue_AddTransparent(TRANSPARENTSORT_DISTANCE, center, VM_DrawPolygonCallback, (entity_render_t *)polys, i, NULL);
3441         }
3442
3443         /*polys->num_triangles = 0; // now done after rendering the scene,
3444           polys->num_vertices = 0;  // otherwise it's not rendered at all and prints an error message --blub */
3445 }
3446
3447 //void(string texturename, float flag[, float is2d]) R_BeginPolygon
3448 static void VM_CL_R_PolygonBegin (prvm_prog_t *prog)
3449 {
3450         const char              *picname;
3451         skinframe_t     *sf;
3452         vmpolygons_t *polys = &prog->vmpolygons;
3453         int tf;
3454
3455         // TODO instead of using skinframes here (which provides the benefit of
3456         // better management of flags, and is more suited for 3D rendering), what
3457         // about supporting Q3 shaders?
3458
3459         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_R_PolygonBegin);
3460
3461         if (!polys->initialized)
3462                 VM_InitPolygons(polys);
3463         if (polys->begin_active)
3464         {
3465                 VM_Warning(prog, "VM_CL_R_PolygonBegin: called twice without VM_CL_R_PolygonBegin after first\n");
3466                 return;
3467         }
3468         picname = PRVM_G_STRING(OFS_PARM0);
3469
3470         sf = NULL;
3471         if(*picname)
3472         {
3473                 tf = TEXF_ALPHA;
3474                 if((int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MIPMAP)
3475                         tf |= TEXF_MIPMAP;
3476
3477                 do
3478                 {
3479                         sf = R_SkinFrame_FindNextByName(sf, picname);
3480                 }
3481                 while(sf && sf->textureflags != tf);
3482
3483                 if(!sf || !sf->base)
3484                         sf = R_SkinFrame_LoadExternal(picname, tf, true);
3485
3486                 if(sf)
3487                         R_SkinFrame_MarkUsed(sf);
3488         }
3489
3490         polys->begin_texture = (sf && sf->base) ? sf->base : r_texture_white;
3491         polys->begin_texture_hasalpha = (sf && sf->base) ? sf->hasalpha : false;
3492         polys->begin_drawflag = (int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MASK;
3493         polys->begin_vertices = 0;
3494         polys->begin_active = true;
3495         polys->begin_draw2d = (prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : r_refdef.draw2dstage);
3496 }
3497
3498 //void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
3499 static void VM_CL_R_PolygonVertex (prvm_prog_t *prog)
3500 {
3501         vmpolygons_t *polys = &prog->vmpolygons;
3502
3503         VM_SAFEPARMCOUNT(4, VM_CL_R_PolygonVertex);
3504
3505         if (!polys->begin_active)
3506         {
3507                 VM_Warning(prog, "VM_CL_R_PolygonVertex: VM_CL_R_PolygonBegin wasn't called\n");
3508                 return;
3509         }
3510
3511         if (polys->begin_vertices >= VMPOLYGONS_MAXPOINTS)
3512         {
3513                 VM_Warning(prog, "VM_CL_R_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3514                 return;
3515         }
3516
3517         polys->begin_vertex[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM0)[0];
3518         polys->begin_vertex[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM0)[1];
3519         polys->begin_vertex[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM0)[2];
3520         polys->begin_texcoord[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM1)[0];
3521         polys->begin_texcoord[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM1)[1];
3522         polys->begin_color[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM2)[0];
3523         polys->begin_color[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM2)[1];
3524         polys->begin_color[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM2)[2];
3525         polys->begin_color[polys->begin_vertices][3] = PRVM_G_FLOAT(OFS_PARM3);
3526         polys->begin_vertices++;
3527 }
3528
3529 //void() R_EndPolygon
3530 static void VM_CL_R_PolygonEnd (prvm_prog_t *prog)
3531 {
3532         vmpolygons_t *polys = &prog->vmpolygons;
3533
3534         VM_SAFEPARMCOUNT(0, VM_CL_R_PolygonEnd);
3535         if (!polys->begin_active)
3536         {
3537                 VM_Warning(prog, "VM_CL_R_PolygonEnd: VM_CL_R_PolygonBegin wasn't called\n");
3538                 return;
3539         }
3540         polys->begin_active = false;
3541         if (polys->begin_vertices >= 3)
3542                 VMPolygons_Store(polys);
3543         else
3544                 VM_Warning(prog, "VM_CL_R_PolygonEnd: %i vertices isn't a good choice\n", polys->begin_vertices);
3545 }
3546
3547 static vmpolygons_t debugPolys;
3548
3549 void Debug_PolygonBegin(const char *picname, int drawflag)
3550 {
3551         if(!debugPolys.initialized)
3552                 VM_InitPolygons(&debugPolys);
3553         if(debugPolys.begin_active)
3554         {
3555                 Con_Printf("Debug_PolygonBegin: called twice without Debug_PolygonEnd after first\n");
3556                 return;
3557         }
3558         debugPolys.begin_texture = picname[0] ? Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT)->tex : r_texture_white;
3559         debugPolys.begin_drawflag = drawflag;
3560         debugPolys.begin_vertices = 0;
3561         debugPolys.begin_active = true;
3562 }
3563
3564 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a)
3565 {
3566         if(!debugPolys.begin_active)
3567         {
3568                 Con_Printf("Debug_PolygonVertex: Debug_PolygonBegin wasn't called\n");
3569                 return;
3570         }
3571
3572         if(debugPolys.begin_vertices > VMPOLYGONS_MAXPOINTS)
3573         {
3574                 Con_Printf("Debug_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3575                 return;
3576         }
3577
3578         debugPolys.begin_vertex[debugPolys.begin_vertices][0] = x;
3579         debugPolys.begin_vertex[debugPolys.begin_vertices][1] = y;
3580         debugPolys.begin_vertex[debugPolys.begin_vertices][2] = z;
3581         debugPolys.begin_texcoord[debugPolys.begin_vertices][0] = s;
3582         debugPolys.begin_texcoord[debugPolys.begin_vertices][1] = t;
3583         debugPolys.begin_color[debugPolys.begin_vertices][0] = r;
3584         debugPolys.begin_color[debugPolys.begin_vertices][1] = g;
3585         debugPolys.begin_color[debugPolys.begin_vertices][2] = b;
3586         debugPolys.begin_color[debugPolys.begin_vertices][3] = a;
3587         debugPolys.begin_vertices++;
3588 }
3589
3590 void Debug_PolygonEnd(void)
3591 {
3592         if (!debugPolys.begin_active)
3593         {
3594                 Con_Printf("Debug_PolygonEnd: Debug_PolygonBegin wasn't called\n");
3595                 return;
3596         }
3597         debugPolys.begin_active = false;
3598         if (debugPolys.begin_vertices >= 3)
3599                 VMPolygons_Store(&debugPolys);
3600         else
3601                 Con_Printf("Debug_PolygonEnd: %i vertices isn't a good choice\n", debugPolys.begin_vertices);
3602 }
3603
3604 /*
3605 =============
3606 CL_CheckBottom
3607
3608 Returns false if any part of the bottom of the entity is off an edge that
3609 is not a staircase.
3610
3611 =============
3612 */
3613 static qboolean CL_CheckBottom (prvm_edict_t *ent)
3614 {
3615         prvm_prog_t *prog = CLVM_prog;
3616         vec3_t  mins, maxs, start, stop;
3617         trace_t trace;
3618         int             x, y;
3619         float   mid, bottom;
3620
3621         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
3622         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
3623
3624 // if all of the points under the corners are solid world, don't bother
3625 // with the tougher checks
3626 // the corners must be within 16 of the midpoint
3627         start[2] = mins[2] - 1;
3628         for     (x=0 ; x<=1 ; x++)
3629                 for     (y=0 ; y<=1 ; y++)
3630                 {
3631                         start[0] = x ? maxs[0] : mins[0];
3632                         start[1] = y ? maxs[1] : mins[1];
3633                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
3634                                 goto realcheck;
3635                 }
3636
3637         return true;            // we got out easy
3638
3639 realcheck:
3640 //
3641 // check it for real...
3642 //
3643         start[2] = mins[2];
3644
3645 // the midpoint must be within 16 of the bottom
3646         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
3647         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
3648         stop[2] = start[2] - 2*sv_stepheight.value;
3649         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true, false);
3650
3651         if (trace.fraction == 1.0)
3652                 return false;
3653         mid = bottom = trace.endpos[2];
3654
3655 // the corners must be within 16 of the midpoint
3656         for     (x=0 ; x<=1 ; x++)
3657                 for     (y=0 ; y<=1 ; y++)
3658                 {
3659                         start[0] = stop[0] = x ? maxs[0] : mins[0];
3660                         start[1] = stop[1] = y ? maxs[1] : mins[1];
3661
3662                         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true, false);
3663
3664                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
3665                                 bottom = trace.endpos[2];
3666                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
3667                                 return false;
3668                 }
3669
3670         return true;
3671 }
3672
3673 /*
3674 =============
3675 CL_movestep
3676
3677 Called by monster program code.
3678 The move will be adjusted for slopes and stairs, but if the move isn't
3679 possible, no move is done and false is returned
3680 =============
3681 */
3682 static qboolean CL_movestep (prvm_edict_t *ent, vec3_t move, qboolean relink, qboolean noenemy, qboolean settrace)
3683 {
3684         prvm_prog_t *prog = CLVM_prog;
3685         float           dz;
3686         vec3_t          oldorg, neworg, end, traceendpos;
3687         vec3_t          mins, maxs, start;
3688         trace_t         trace;
3689         int                     i, svent;
3690         prvm_edict_t            *enemy;
3691
3692 // try the move
3693         VectorCopy(PRVM_clientedictvector(ent, mins), mins);
3694         VectorCopy(PRVM_clientedictvector(ent, maxs), maxs);
3695         VectorCopy (PRVM_clientedictvector(ent, origin), oldorg);
3696         VectorAdd (PRVM_clientedictvector(ent, origin), move, neworg);
3697
3698 // flying monsters don't step up
3699         if ( (int)PRVM_clientedictfloat(ent, flags) & (FL_SWIM | FL_FLY) )
3700         {
3701         // try one move with vertical motion, then one without
3702                 for (i=0 ; i<2 ; i++)
3703                 {
3704                         VectorAdd (PRVM_clientedictvector(ent, origin), move, neworg);
3705                         enemy = PRVM_PROG_TO_EDICT(PRVM_clientedictedict(ent, enemy));
3706                         if (i == 0 && enemy != prog->edicts)
3707                         {
3708                                 dz = PRVM_clientedictvector(ent, origin)[2] - PRVM_clientedictvector(PRVM_PROG_TO_EDICT(PRVM_clientedictedict(ent, enemy)), origin)[2];
3709                                 if (dz > 40)
3710                                         neworg[2] -= 8;
3711                                 if (dz < 30)
3712                                         neworg[2] += 8;
3713                         }
3714                         VectorCopy(PRVM_clientedictvector(ent, origin), start);
3715                         trace = CL_TraceBox(start, mins, maxs, neworg, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3716                         if (settrace)
3717                                 CL_VM_SetTraceGlobals(prog, &trace, svent);
3718
3719                         if (trace.fraction == 1)
3720                         {
3721                                 VectorCopy(trace.endpos, traceendpos);
3722                                 if (((int)PRVM_clientedictfloat(ent, flags) & FL_SWIM) && !(CL_PointSuperContents(traceendpos) & SUPERCONTENTS_LIQUIDSMASK))
3723                                         return false;   // swim monster left water
3724
3725                                 VectorCopy (traceendpos, PRVM_clientedictvector(ent, origin));
3726                                 if (relink)
3727                                         CL_LinkEdict(ent);
3728                                 return true;
3729                         }
3730
3731                         if (enemy == prog->edicts)
3732                                 break;
3733                 }
3734
3735                 return false;
3736         }
3737
3738 // push down from a step height above the wished position
3739         neworg[2] += sv_stepheight.value;
3740         VectorCopy (neworg, end);
3741         end[2] -= sv_stepheight.value*2;
3742
3743         trace = CL_TraceBox(neworg, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3744         if (settrace)
3745                 CL_VM_SetTraceGlobals(prog, &trace, svent);
3746
3747         if (trace.startsolid)
3748         {
3749                 neworg[2] -= sv_stepheight.value;
3750                 trace = CL_TraceBox(neworg, mins, maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3751                 if (settrace)
3752                         CL_VM_SetTraceGlobals(prog, &trace, svent);
3753                 if (trace.startsolid)
3754                         return false;
3755         }
3756         if (trace.fraction == 1)
3757         {
3758         // if monster had the ground pulled out, go ahead and fall
3759                 if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3760                 {
3761                         VectorAdd (PRVM_clientedictvector(ent, origin), move, PRVM_clientedictvector(ent, origin));
3762                         if (relink)
3763                                 CL_LinkEdict(ent);
3764                         PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) & ~FL_ONGROUND;
3765                         return true;
3766                 }
3767
3768                 return false;           // walked off an edge
3769         }
3770
3771 // check point traces down for dangling corners
3772         VectorCopy (trace.endpos, PRVM_clientedictvector(ent, origin));
3773
3774         if (!CL_CheckBottom (ent))
3775         {
3776                 if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3777                 {       // entity had floor mostly pulled out from underneath it
3778                         // and is trying to correct
3779                         if (relink)
3780                                 CL_LinkEdict(ent);
3781                         return true;
3782                 }
3783                 VectorCopy (oldorg, PRVM_clientedictvector(ent, origin));
3784                 return false;
3785         }
3786
3787         if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3788                 PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) & ~FL_PARTIALGROUND;
3789
3790         PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
3791
3792 // the move is ok
3793         if (relink)
3794                 CL_LinkEdict(ent);
3795         return true;
3796 }
3797
3798 /*
3799 ===============
3800 VM_CL_walkmove
3801
3802 float(float yaw, float dist[, settrace]) walkmove
3803 ===============
3804 */
3805 static void VM_CL_walkmove (prvm_prog_t *prog)
3806 {
3807         prvm_edict_t    *ent;
3808         float   yaw, dist;
3809         vec3_t  move;
3810         mfunction_t     *oldf;
3811         int     oldself;
3812         qboolean        settrace;
3813
3814         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_walkmove);
3815
3816         // assume failure if it returns early
3817         PRVM_G_FLOAT(OFS_RETURN) = 0;
3818
3819         ent = PRVM_PROG_TO_EDICT(PRVM_clientglobaledict(self));
3820         if (ent == prog->edicts)
3821         {
3822                 VM_Warning(prog, "walkmove: can not modify world entity\n");
3823                 return;
3824         }
3825         if (ent->priv.server->free)
3826         {
3827                 VM_Warning(prog, "walkmove: can not modify free entity\n");
3828                 return;
3829         }
3830         yaw = PRVM_G_FLOAT(OFS_PARM0);
3831         dist = PRVM_G_FLOAT(OFS_PARM1);
3832         settrace = prog->argc >= 3 && PRVM_G_FLOAT(OFS_PARM2);
3833
3834         if ( !( (int)PRVM_clientedictfloat(ent, flags) & (FL_ONGROUND|FL_FLY|FL_SWIM) ) )
3835                 return;
3836
3837         yaw = yaw*M_PI*2 / 360;
3838
3839         move[0] = cos(yaw)*dist;
3840         move[1] = sin(yaw)*dist;
3841         move[2] = 0;
3842
3843 // save program state, because CL_movestep may call other progs
3844         oldf = prog->xfunction;
3845         oldself = PRVM_clientglobaledict(self);
3846
3847         PRVM_G_FLOAT(OFS_RETURN) = CL_movestep(ent, move, true, false, settrace);
3848
3849
3850 // restore program state
3851         prog->xfunction = oldf;
3852         PRVM_clientglobaledict(self) = oldself;
3853 }
3854
3855 /*
3856 ===============
3857 VM_CL_serverkey
3858
3859 string(string key) serverkey
3860 ===============
3861 */
3862 static void VM_CL_serverkey(prvm_prog_t *prog)
3863 {
3864         char string[VM_STRINGTEMP_LENGTH];
3865         VM_SAFEPARMCOUNT(1, VM_CL_serverkey);
3866         InfoString_GetValue(cl.qw_serverinfo, PRVM_G_STRING(OFS_PARM0), string, sizeof(string));
3867         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
3868 }
3869
3870 /*
3871 =================
3872 VM_CL_checkpvs
3873
3874 Checks if an entity is in a point's PVS.
3875 Should be fast but can be inexact.
3876
3877 float checkpvs(vector viewpos, entity viewee) = #240;
3878 =================
3879 */
3880 static void VM_CL_checkpvs (prvm_prog_t *prog)
3881 {</