runstandardplayerphysics: also implement the no-args case
[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         VM_SAFEPARMCOUNT(1, VM_CL_makevectors);
33         AngleVectors (PRVM_G_VECTOR(OFS_PARM0), PRVM_clientglobalvector(v_forward), PRVM_clientglobalvector(v_right), PRVM_clientglobalvector(v_up));
34 }
35
36 // #2 void(entity e, vector o) setorigin
37 static void VM_CL_setorigin (prvm_prog_t *prog)
38 {
39         prvm_edict_t    *e;
40         float   *org;
41         VM_SAFEPARMCOUNT(2, VM_CL_setorigin);
42
43         e = PRVM_G_EDICT(OFS_PARM0);
44         if (e == prog->edicts)
45         {
46                 VM_Warning(prog, "setorigin: can not modify world entity\n");
47                 return;
48         }
49         if (e->priv.required->free)
50         {
51                 VM_Warning(prog, "setorigin: can not modify free entity\n");
52                 return;
53         }
54         org = PRVM_G_VECTOR(OFS_PARM1);
55         VectorCopy (org, PRVM_clientedictvector(e, origin));
56         if(e->priv.required->mark == PRVM_EDICT_MARK_WAIT_FOR_SETORIGIN)
57                 e->priv.required->mark = PRVM_EDICT_MARK_SETORIGIN_CAUGHT;
58         CL_LinkEdict(e);
59 }
60
61 static void SetMinMaxSize (prvm_prog_t *prog, prvm_edict_t *e, float *min, float *max)
62 {
63         int             i;
64
65         for (i=0 ; i<3 ; i++)
66                 if (min[i] > max[i])
67                         prog->error_cmd("SetMinMaxSize: backwards mins/maxs");
68
69         // set derived values
70         VectorCopy (min, PRVM_clientedictvector(e, mins));
71         VectorCopy (max, PRVM_clientedictvector(e, maxs));
72         VectorSubtract (max, min, PRVM_clientedictvector(e, size));
73
74         CL_LinkEdict (e);
75 }
76
77 // #3 void(entity e, string m) setmodel
78 static void VM_CL_setmodel (prvm_prog_t *prog)
79 {
80         prvm_edict_t    *e;
81         const char              *m;
82         dp_model_t *mod;
83         int                             i;
84
85         VM_SAFEPARMCOUNT(2, VM_CL_setmodel);
86
87         e = PRVM_G_EDICT(OFS_PARM0);
88         PRVM_clientedictfloat(e, modelindex) = 0;
89         PRVM_clientedictstring(e, model) = 0;
90
91         m = PRVM_G_STRING(OFS_PARM1);
92         mod = NULL;
93         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
94         {
95                 if (!strcmp(cl.csqc_model_precache[i]->name, m))
96                 {
97                         mod = cl.csqc_model_precache[i];
98                         PRVM_clientedictstring(e, model) = PRVM_SetEngineString(prog, mod->name);
99                         PRVM_clientedictfloat(e, modelindex) = -(i+1);
100                         break;
101                 }
102         }
103
104         if( !mod ) {
105                 for (i = 0;i < MAX_MODELS;i++)
106                 {
107                         mod = cl.model_precache[i];
108                         if (mod && !strcmp(mod->name, m))
109                         {
110                                 PRVM_clientedictstring(e, model) = PRVM_SetEngineString(prog, mod->name);
111                                 PRVM_clientedictfloat(e, modelindex) = i;
112                                 break;
113                         }
114                 }
115         }
116
117         if( mod ) {
118                 // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
119                 //SetMinMaxSize (e, mod->normalmins, mod->normalmaxs);
120         }
121         else
122         {
123                 SetMinMaxSize (prog, e, vec3_origin, vec3_origin);
124                 VM_Warning(prog, "setmodel: model '%s' not precached\n", m);
125         }
126 }
127
128 // #4 void(entity e, vector min, vector max) setsize
129 static void VM_CL_setsize (prvm_prog_t *prog)
130 {
131         prvm_edict_t    *e;
132         float                   *min, *max;
133         VM_SAFEPARMCOUNT(3, VM_CL_setsize);
134
135         e = PRVM_G_EDICT(OFS_PARM0);
136         if (e == prog->edicts)
137         {
138                 VM_Warning(prog, "setsize: can not modify world entity\n");
139                 return;
140         }
141         if (e->priv.server->free)
142         {
143                 VM_Warning(prog, "setsize: can not modify free entity\n");
144                 return;
145         }
146         min = PRVM_G_VECTOR(OFS_PARM1);
147         max = PRVM_G_VECTOR(OFS_PARM2);
148
149         SetMinMaxSize( prog, e, min, max );
150
151         CL_LinkEdict(e);
152 }
153
154 // #8 void(entity e, float chan, string samp, float volume, float atten) sound
155 static void VM_CL_sound (prvm_prog_t *prog)
156 {
157         const char                      *sample;
158         int                                     channel;
159         prvm_edict_t            *entity;
160         float                           volume;
161         float                           attenuation;
162         float pitchchange;
163         int flags;
164         vec3_t                          org;
165
166         VM_SAFEPARMCOUNTRANGE(5, 7, VM_CL_sound);
167
168         entity = PRVM_G_EDICT(OFS_PARM0);
169         channel = (int)PRVM_G_FLOAT(OFS_PARM1);
170         sample = PRVM_G_STRING(OFS_PARM2);
171         volume = PRVM_G_FLOAT(OFS_PARM3);
172         attenuation = PRVM_G_FLOAT(OFS_PARM4);
173
174         if (volume < 0 || volume > 1)
175         {
176                 VM_Warning(prog, "VM_CL_sound: volume must be in range 0-1\n");
177                 return;
178         }
179
180         if (attenuation < 0 || attenuation > 4)
181         {
182                 VM_Warning(prog, "VM_CL_sound: attenuation must be in range 0-4\n");
183                 return;
184         }
185
186         if (prog->argc < 6)
187                 pitchchange = 0;
188         else
189                 pitchchange = PRVM_G_FLOAT(OFS_PARM5);
190         // ignoring prog->argc < 7 for now (no flags supported yet)
191
192         if (prog->argc < 7)
193                 flags = 0;
194         else
195                 flags = PRVM_G_FLOAT(OFS_PARM6);
196
197         channel = CHAN_USER2ENGINE(channel);
198
199         if (!IS_CHAN(channel))
200         {
201                 VM_Warning(prog, "VM_CL_sound: channel must be in range 0-127\n");
202                 return;
203         }
204
205         CL_VM_GetEntitySoundOrigin(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), org);
206         S_StartSound_StartPosition_Flags(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), channel, S_FindName(sample), org, volume, attenuation, 0, flags, pitchchange > 0.0f ? pitchchange * 0.01f : 1.0f);
207 }
208
209 // #483 void(vector origin, string sample, float volume, float attenuation) pointsound
210 static void VM_CL_pointsound(prvm_prog_t *prog)
211 {
212         const char                      *sample;
213         float                           volume;
214         float                           attenuation;
215         vec3_t                          org;
216
217         VM_SAFEPARMCOUNT(4, VM_CL_pointsound);
218
219         VectorCopy( PRVM_G_VECTOR(OFS_PARM0), org);
220         sample = PRVM_G_STRING(OFS_PARM1);
221         volume = PRVM_G_FLOAT(OFS_PARM2);
222         attenuation = PRVM_G_FLOAT(OFS_PARM3);
223
224         if (volume < 0 || volume > 1)
225         {
226                 VM_Warning(prog, "VM_CL_pointsound: volume must be in range 0-1\n");
227                 return;
228         }
229
230         if (attenuation < 0 || attenuation > 4)
231         {
232                 VM_Warning(prog, "VM_CL_pointsound: attenuation must be in range 0-4\n");
233                 return;
234         }
235
236         // Send World Entity as Entity to Play Sound (for CSQC, that is MAX_EDICTS)
237         S_StartSound(MAX_EDICTS, 0, S_FindName(sample), org, volume, attenuation);
238 }
239
240 // #14 entity() spawn
241 static void VM_CL_spawn (prvm_prog_t *prog)
242 {
243         prvm_edict_t *ed;
244         ed = PRVM_ED_Alloc(prog);
245         VM_RETURN_EDICT(ed);
246 }
247
248 static void CL_VM_SetTraceGlobals(prvm_prog_t *prog, const trace_t *trace, int svent)
249 {
250         VM_SetTraceGlobals(prog, trace);
251         PRVM_clientglobalfloat(trace_networkentity) = svent;
252 }
253
254 #define CL_HitNetworkBrushModels(move) !((move) == MOVE_WORLDONLY)
255 #define CL_HitNetworkPlayers(move)     !((move) == MOVE_WORLDONLY || (move) == MOVE_NOMONSTERS)
256
257 // #16 void(vector v1, vector v2, float movetype, entity ignore) traceline
258 static void VM_CL_traceline (prvm_prog_t *prog)
259 {
260         float   *v1, *v2;
261         trace_t trace;
262         int             move, svent;
263         prvm_edict_t    *ent;
264
265 //      R_TimeReport("pretraceline");
266
267         VM_SAFEPARMCOUNTRANGE(4, 4, VM_CL_traceline);
268
269         prog->xfunction->builtinsprofile += 30;
270
271         v1 = PRVM_G_VECTOR(OFS_PARM0);
272         v2 = PRVM_G_VECTOR(OFS_PARM1);
273         move = (int)PRVM_G_FLOAT(OFS_PARM2);
274         ent = PRVM_G_EDICT(OFS_PARM3);
275
276         if (IS_NAN(v1[0]) || IS_NAN(v1[1]) || IS_NAN(v1[2]) || IS_NAN(v2[0]) || IS_NAN(v2[1]) || IS_NAN(v2[2]))
277                 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));
278
279         trace = CL_TraceLine(v1, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true, false);
280
281         CL_VM_SetTraceGlobals(prog, &trace, svent);
282 //      R_TimeReport("traceline");
283 }
284
285 /*
286 =================
287 VM_CL_tracebox
288
289 Used for use tracing and shot targeting
290 Traces are blocked by bbox and exact bsp entityes, and also slide box entities
291 if the tryents flag is set.
292
293 tracebox (vector1, vector mins, vector maxs, vector2, tryents)
294 =================
295 */
296 // LordHavoc: added this for my own use, VERY useful, similar to traceline
297 static void VM_CL_tracebox (prvm_prog_t *prog)
298 {
299         float   *v1, *v2, *m1, *m2;
300         trace_t trace;
301         int             move, svent;
302         prvm_edict_t    *ent;
303
304 //      R_TimeReport("pretracebox");
305         VM_SAFEPARMCOUNTRANGE(6, 8, VM_CL_tracebox); // allow more parameters for future expansion
306
307         prog->xfunction->builtinsprofile += 30;
308
309         v1 = PRVM_G_VECTOR(OFS_PARM0);
310         m1 = PRVM_G_VECTOR(OFS_PARM1);
311         m2 = PRVM_G_VECTOR(OFS_PARM2);
312         v2 = PRVM_G_VECTOR(OFS_PARM3);
313         move = (int)PRVM_G_FLOAT(OFS_PARM4);
314         ent = PRVM_G_EDICT(OFS_PARM5);
315
316         if (IS_NAN(v1[0]) || IS_NAN(v1[1]) || IS_NAN(v1[2]) || IS_NAN(v2[0]) || IS_NAN(v2[1]) || IS_NAN(v2[2]))
317                 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));
318
319         trace = CL_TraceBox(v1, m1, m2, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
320
321         CL_VM_SetTraceGlobals(prog, &trace, svent);
322 //      R_TimeReport("tracebox");
323 }
324
325 static trace_t CL_Trace_Toss (prvm_prog_t *prog, prvm_edict_t *tossent, prvm_edict_t *ignore, int *svent)
326 {
327         int i;
328         float gravity;
329         vec3_t move, end;
330         vec3_t original_origin;
331         vec3_t original_velocity;
332         vec3_t original_angles;
333         vec3_t original_avelocity;
334         trace_t trace;
335
336         VectorCopy(PRVM_clientedictvector(tossent, origin)   , original_origin   );
337         VectorCopy(PRVM_clientedictvector(tossent, velocity) , original_velocity );
338         VectorCopy(PRVM_clientedictvector(tossent, angles)   , original_angles   );
339         VectorCopy(PRVM_clientedictvector(tossent, avelocity), original_avelocity);
340
341         gravity = PRVM_clientedictfloat(tossent, gravity);
342         if (!gravity)
343                 gravity = 1.0f;
344         gravity *= cl.movevars_gravity * 0.05;
345
346         for (i = 0;i < 200;i++) // LordHavoc: sanity check; never trace more than 10 seconds
347         {
348                 PRVM_clientedictvector(tossent, velocity)[2] -= gravity;
349                 VectorMA (PRVM_clientedictvector(tossent, angles), 0.05, PRVM_clientedictvector(tossent, avelocity), PRVM_clientedictvector(tossent, angles));
350                 VectorScale (PRVM_clientedictvector(tossent, velocity), 0.05, move);
351                 VectorAdd (PRVM_clientedictvector(tossent, origin), move, end);
352                 trace = CL_TraceBox(PRVM_clientedictvector(tossent, origin), PRVM_clientedictvector(tossent, mins), PRVM_clientedictvector(tossent, maxs), end, MOVE_NORMAL, tossent, CL_GenericHitSuperContentsMask(tossent), true, true, NULL, true);
353                 VectorCopy (trace.endpos, PRVM_clientedictvector(tossent, origin));
354
355                 if (trace.fraction < 1)
356                         break;
357         }
358
359         VectorCopy(original_origin   , PRVM_clientedictvector(tossent, origin)   );
360         VectorCopy(original_velocity , PRVM_clientedictvector(tossent, velocity) );
361         VectorCopy(original_angles   , PRVM_clientedictvector(tossent, angles)   );
362         VectorCopy(original_avelocity, PRVM_clientedictvector(tossent, avelocity));
363
364         return trace;
365 }
366
367 static void VM_CL_tracetoss (prvm_prog_t *prog)
368 {
369         trace_t trace;
370         prvm_edict_t    *ent;
371         prvm_edict_t    *ignore;
372         int svent = 0;
373
374         prog->xfunction->builtinsprofile += 600;
375
376         VM_SAFEPARMCOUNT(2, VM_CL_tracetoss);
377
378         ent = PRVM_G_EDICT(OFS_PARM0);
379         if (ent == prog->edicts)
380         {
381                 VM_Warning(prog, "tracetoss: can not use world entity\n");
382                 return;
383         }
384         ignore = PRVM_G_EDICT(OFS_PARM1);
385
386         trace = CL_Trace_Toss (prog, ent, ignore, &svent);
387
388         CL_VM_SetTraceGlobals(prog, &trace, svent);
389 }
390
391
392 // #20 void(string s) precache_model
393 static void VM_CL_precache_model (prvm_prog_t *prog)
394 {
395         const char      *name;
396         int                     i;
397         dp_model_t              *m;
398
399         VM_SAFEPARMCOUNT(1, VM_CL_precache_model);
400
401         name = PRVM_G_STRING(OFS_PARM0);
402         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
403         {
404                 if(!strcmp(cl.csqc_model_precache[i]->name, name))
405                 {
406                         PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
407                         return;
408                 }
409         }
410         PRVM_G_FLOAT(OFS_RETURN) = 0;
411         m = Mod_ForName(name, false, false, name[0] == '*' ? cl.model_name[1] : NULL);
412         if(m && m->loaded)
413         {
414                 for (i = 0;i < MAX_MODELS;i++)
415                 {
416                         if (!cl.csqc_model_precache[i])
417                         {
418                                 cl.csqc_model_precache[i] = (dp_model_t*)m;
419                                 PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
420                                 return;
421                         }
422                 }
423                 VM_Warning(prog, "VM_CL_precache_model: no free models\n");
424                 return;
425         }
426         VM_Warning(prog, "VM_CL_precache_model: model \"%s\" not found\n", name);
427 }
428
429 static int CSQC_EntitiesInBox (prvm_prog_t *prog, vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
430 {
431         prvm_edict_t    *ent;
432         int                             i, k;
433
434         ent = PRVM_NEXT_EDICT(prog->edicts);
435         for(k=0,i=1; i<prog->num_edicts ;i++, ent = PRVM_NEXT_EDICT(ent))
436         {
437                 if (ent->priv.required->free)
438                         continue;
439                 if(BoxesOverlap(mins, maxs, PRVM_clientedictvector(ent, absmin), PRVM_clientedictvector(ent, absmax)))
440                         list[k++] = ent;
441         }
442         return k;
443 }
444
445 // #22 entity(vector org, float rad) findradius
446 static void VM_CL_findradius (prvm_prog_t *prog)
447 {
448         prvm_edict_t    *ent, *chain;
449         vec_t                   radius, radius2;
450         vec3_t                  org, eorg, mins, maxs;
451         int                             i, numtouchedicts;
452         static prvm_edict_t     *touchedicts[MAX_EDICTS];
453         int             chainfield;
454
455         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_findradius);
456
457         if(prog->argc == 3)
458                 chainfield = PRVM_G_INT(OFS_PARM2);
459         else
460                 chainfield = prog->fieldoffsets.chain;
461         if(chainfield < 0)
462                 prog->error_cmd("VM_findchain: %s doesnt have the specified chain field !", prog->name);
463
464         chain = (prvm_edict_t *)prog->edicts;
465
466         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
467         radius = PRVM_G_FLOAT(OFS_PARM1);
468         radius2 = radius * radius;
469
470         mins[0] = org[0] - (radius + 1);
471         mins[1] = org[1] - (radius + 1);
472         mins[2] = org[2] - (radius + 1);
473         maxs[0] = org[0] + (radius + 1);
474         maxs[1] = org[1] + (radius + 1);
475         maxs[2] = org[2] + (radius + 1);
476         numtouchedicts = CSQC_EntitiesInBox(prog, mins, maxs, MAX_EDICTS, touchedicts);
477         if (numtouchedicts > MAX_EDICTS)
478         {
479                 // this never happens   //[515]: for what then ?
480                 Con_Printf("CSQC_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
481                 numtouchedicts = MAX_EDICTS;
482         }
483         for (i = 0;i < numtouchedicts;i++)
484         {
485                 ent = touchedicts[i];
486                 // Quake did not return non-solid entities but darkplaces does
487                 // (note: this is the reason you can't blow up fallen zombies)
488                 if (PRVM_clientedictfloat(ent, solid) == SOLID_NOT && !sv_gameplayfix_blowupfallenzombies.integer)
489                         continue;
490                 // LordHavoc: compare against bounding box rather than center so it
491                 // doesn't miss large objects, and use DotProduct instead of Length
492                 // for a major speedup
493                 VectorSubtract(org, PRVM_clientedictvector(ent, origin), eorg);
494                 if (sv_gameplayfix_findradiusdistancetobox.integer)
495                 {
496                         eorg[0] -= bound(PRVM_clientedictvector(ent, mins)[0], eorg[0], PRVM_clientedictvector(ent, maxs)[0]);
497                         eorg[1] -= bound(PRVM_clientedictvector(ent, mins)[1], eorg[1], PRVM_clientedictvector(ent, maxs)[1]);
498                         eorg[2] -= bound(PRVM_clientedictvector(ent, mins)[2], eorg[2], PRVM_clientedictvector(ent, maxs)[2]);
499                 }
500                 else
501                         VectorMAMAM(1, eorg, -0.5f, PRVM_clientedictvector(ent, mins), -0.5f, PRVM_clientedictvector(ent, maxs), eorg);
502                 if (DotProduct(eorg, eorg) < radius2)
503                 {
504                         PRVM_EDICTFIELDEDICT(ent, chainfield) = PRVM_EDICT_TO_PROG(chain);
505                         chain = ent;
506                 }
507         }
508
509         VM_RETURN_EDICT(chain);
510 }
511
512 // #34 float() droptofloor
513 static void VM_CL_droptofloor (prvm_prog_t *prog)
514 {
515         prvm_edict_t            *ent;
516         vec3_t                          end;
517         trace_t                         trace;
518
519         VM_SAFEPARMCOUNTRANGE(0, 2, VM_CL_droptofloor); // allow 2 parameters because the id1 defs.qc had an incorrect prototype
520
521         // assume failure if it returns early
522         PRVM_G_FLOAT(OFS_RETURN) = 0;
523
524         ent = PRVM_PROG_TO_EDICT(PRVM_clientglobaledict(self));
525         if (ent == prog->edicts)
526         {
527                 VM_Warning(prog, "droptofloor: can not modify world entity\n");
528                 return;
529         }
530         if (ent->priv.server->free)
531         {
532                 VM_Warning(prog, "droptofloor: can not modify free entity\n");
533                 return;
534         }
535
536         VectorCopy (PRVM_clientedictvector(ent, origin), end);
537         end[2] -= 256;
538
539         trace = CL_TraceBox(PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), PRVM_clientedictvector(ent, maxs), end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
540
541         if (trace.fraction != 1)
542         {
543                 VectorCopy (trace.endpos, PRVM_clientedictvector(ent, origin));
544                 PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) | FL_ONGROUND;
545                 PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
546                 PRVM_G_FLOAT(OFS_RETURN) = 1;
547                 // if support is destroyed, keep suspended (gross hack for floating items in various maps)
548 //              ent->priv.server->suspendedinairflag = true;
549         }
550 }
551
552 // #35 void(float style, string value) lightstyle
553 static void VM_CL_lightstyle (prvm_prog_t *prog)
554 {
555         int                     i;
556         const char      *c;
557
558         VM_SAFEPARMCOUNT(2, VM_CL_lightstyle);
559
560         i = (int)PRVM_G_FLOAT(OFS_PARM0);
561         c = PRVM_G_STRING(OFS_PARM1);
562         if (i >= cl.max_lightstyle)
563         {
564                 VM_Warning(prog, "VM_CL_lightstyle >= MAX_LIGHTSTYLES\n");
565                 return;
566         }
567         strlcpy (cl.lightstyle[i].map, c, sizeof (cl.lightstyle[i].map));
568         cl.lightstyle[i].map[MAX_STYLESTRING - 1] = 0;
569         cl.lightstyle[i].length = (int)strlen(cl.lightstyle[i].map);
570 }
571
572 // #40 float(entity e) checkbottom
573 static void VM_CL_checkbottom (prvm_prog_t *prog)
574 {
575         static int              cs_yes, cs_no;
576         prvm_edict_t    *ent;
577         vec3_t                  mins, maxs, start, stop;
578         trace_t                 trace;
579         int                             x, y;
580         float                   mid, bottom;
581
582         VM_SAFEPARMCOUNT(1, VM_CL_checkbottom);
583         ent = PRVM_G_EDICT(OFS_PARM0);
584         PRVM_G_FLOAT(OFS_RETURN) = 0;
585
586         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
587         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
588
589 // if all of the points under the corners are solid world, don't bother
590 // with the tougher checks
591 // the corners must be within 16 of the midpoint
592         start[2] = mins[2] - 1;
593         for     (x=0 ; x<=1 ; x++)
594                 for     (y=0 ; y<=1 ; y++)
595                 {
596                         start[0] = x ? maxs[0] : mins[0];
597                         start[1] = y ? maxs[1] : mins[1];
598                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
599                                 goto realcheck;
600                 }
601
602         cs_yes++;
603         PRVM_G_FLOAT(OFS_RETURN) = true;
604         return;         // we got out easy
605
606 realcheck:
607         cs_no++;
608 //
609 // check it for real...
610 //
611         start[2] = mins[2];
612
613 // the midpoint must be within 16 of the bottom
614         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
615         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
616         stop[2] = start[2] - 2*sv_stepheight.value;
617         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true, false);
618
619         if (trace.fraction == 1.0)
620                 return;
621
622         mid = bottom = trace.endpos[2];
623
624 // the corners must be within 16 of the midpoint
625         for     (x=0 ; x<=1 ; x++)
626                 for     (y=0 ; y<=1 ; y++)
627                 {
628                         start[0] = stop[0] = x ? maxs[0] : mins[0];
629                         start[1] = stop[1] = y ? maxs[1] : mins[1];
630
631                         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true, false);
632
633                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
634                                 bottom = trace.endpos[2];
635                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
636                                 return;
637                 }
638
639         cs_yes++;
640         PRVM_G_FLOAT(OFS_RETURN) = true;
641 }
642
643 // #41 float(vector v) pointcontents
644 static void VM_CL_pointcontents (prvm_prog_t *prog)
645 {
646         VM_SAFEPARMCOUNT(1, VM_CL_pointcontents);
647         PRVM_G_FLOAT(OFS_RETURN) = Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CL_PointSuperContents(PRVM_G_VECTOR(OFS_PARM0)));
648 }
649
650 // #48 void(vector o, vector d, float color, float count) particle
651 static void VM_CL_particle (prvm_prog_t *prog)
652 {
653         float   *org, *dir;
654         int             count;
655         unsigned char   color;
656         VM_SAFEPARMCOUNT(4, VM_CL_particle);
657
658         org = PRVM_G_VECTOR(OFS_PARM0);
659         dir = PRVM_G_VECTOR(OFS_PARM1);
660         color = (int)PRVM_G_FLOAT(OFS_PARM2);
661         count = (int)PRVM_G_FLOAT(OFS_PARM3);
662         CL_ParticleEffect(EFFECT_SVC_PARTICLE, count, org, org, dir, dir, NULL, color);
663 }
664
665 // #74 void(vector pos, string samp, float vol, float atten) ambientsound
666 static void VM_CL_ambientsound (prvm_prog_t *prog)
667 {
668         float   *f;
669         sfx_t   *s;
670         VM_SAFEPARMCOUNT(4, VM_CL_ambientsound);
671         s = S_FindName(PRVM_G_STRING(OFS_PARM0));
672         f = PRVM_G_VECTOR(OFS_PARM1);
673         S_StaticSound (s, f, PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM3)*64);
674 }
675
676 // #92 vector(vector org[, float lpflag]) getlight (DP_QC_GETLIGHT)
677 static void VM_CL_getlight (prvm_prog_t *prog)
678 {
679         vec3_t ambientcolor, diffusecolor, diffusenormal;
680         vec_t *p;
681
682         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getlight);
683
684         p = PRVM_G_VECTOR(OFS_PARM0);
685         VectorClear(ambientcolor);
686         VectorClear(diffusecolor);
687         VectorClear(diffusenormal);
688         if (prog->argc >= 2)
689                 R_CompleteLightPoint(ambientcolor, diffusecolor, diffusenormal, p, PRVM_G_FLOAT(OFS_PARM1));
690         else if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
691                 cl.worldmodel->brush.LightPoint(cl.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
692         VectorMA(ambientcolor, 0.5, diffusecolor, PRVM_G_VECTOR(OFS_RETURN));
693         if (PRVM_clientglobalvector(getlight_ambient))
694                 VectorCopy(ambientcolor, PRVM_clientglobalvector(getlight_ambient));
695         if (PRVM_clientglobalvector(getlight_diffuse))
696                 VectorCopy(diffusecolor, PRVM_clientglobalvector(getlight_diffuse));
697         if (PRVM_clientglobalvector(getlight_dir))
698                 VectorCopy(diffusenormal, PRVM_clientglobalvector(getlight_dir));
699 }
700
701 //============================================================================
702 //[515]: SCENE MANAGER builtins
703
704 void CSQC_R_RecalcView (void)
705 {
706         extern matrix4x4_t viewmodelmatrix_nobob;
707         extern matrix4x4_t viewmodelmatrix_withbob;
708         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);
709         Matrix4x4_Copy(&viewmodelmatrix_nobob, &r_refdef.view.matrix);
710         Matrix4x4_ConcatScale(&viewmodelmatrix_nobob, cl_viewmodel_scale.value);
711         Matrix4x4_Concat(&viewmodelmatrix_withbob, &r_refdef.view.matrix, &cl.csqc_viewmodelmatrixfromengine);
712 }
713
714 //#300 void() clearscene (EXT_CSQC)
715 static void VM_CL_R_ClearScene (prvm_prog_t *prog)
716 {
717         VM_SAFEPARMCOUNT(0, VM_CL_R_ClearScene);
718         // clear renderable entity and light lists
719         r_refdef.scene.numentities = 0;
720         r_refdef.scene.numlights = 0;
721         // restore the view settings to the values that VM_CL_UpdateView received from the client code
722         r_refdef.view = csqc_original_r_refdef_view;
723         VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
724         VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
725         cl.csqc_vidvars.drawworld = r_drawworld.integer != 0;
726         cl.csqc_vidvars.drawenginesbar = false;
727         cl.csqc_vidvars.drawcrosshair = false;
728         CSQC_R_RecalcView();
729 }
730
731 //#301 void(float mask) addentities (EXT_CSQC)
732 static void VM_CL_R_AddEntities (prvm_prog_t *prog)
733 {
734         double t = Sys_DirtyTime();
735         int                     i, drawmask;
736         prvm_edict_t *ed;
737         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntities);
738         drawmask = (int)PRVM_G_FLOAT(OFS_PARM0);
739         CSQC_RelinkAllEntities(drawmask);
740         CL_RelinkLightFlashes();
741
742         PRVM_clientglobalfloat(time) = cl.time;
743         for(i=1;i<prog->num_edicts;i++)
744         {
745                 // so we can easily check if CSQC entity #edictnum is currently drawn
746                 cl.csqcrenderentities[i].entitynumber = 0;
747                 ed = &prog->edicts[i];
748                 if(ed->priv.required->free)
749                         continue;
750                 CSQC_Think(ed);
751                 if(ed->priv.required->free)
752                         continue;
753                 // note that for RF_USEAXIS entities, Predraw sets v_forward/v_right/v_up globals that are read by CSQC_AddRenderEdict
754                 CSQC_Predraw(ed);
755                 if(ed->priv.required->free)
756                         continue;
757                 if(!((int)PRVM_clientedictfloat(ed, drawmask) & drawmask))
758                         continue;
759                 CSQC_AddRenderEdict(ed, i);
760         }
761
762         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
763         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
764         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
765 }
766
767 //#302 void(entity ent) addentity (EXT_CSQC)
768 static void VM_CL_R_AddEntity (prvm_prog_t *prog)
769 {
770         double t = Sys_DirtyTime();
771         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntity);
772         CSQC_AddRenderEdict(PRVM_G_EDICT(OFS_PARM0), 0);
773         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
774         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
775 }
776
777 //#303 float(float property, ...) setproperty (EXT_CSQC)
778 //#303 float(float property) getproperty
779 //#303 vector(float property) getpropertyvec
780 //#309 float(float property) getproperty
781 //#309 vector(float property) getpropertyvec
782 // VorteX: make this function be able to return previously set property if new value is not given
783 static void VM_CL_R_SetView (prvm_prog_t *prog)
784 {
785         int             c;
786         float   *f;
787         float   k;
788
789         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_R_SetView);
790
791         c = (int)PRVM_G_FLOAT(OFS_PARM0);
792
793         // return value?
794         if (prog->argc < 2)
795         {
796                 switch(c)
797                 {
798                 case VF_MIN:
799                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.x, r_refdef.view.y, 0);
800                         break;
801                 case VF_MIN_X:
802                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.x;
803                         break;
804                 case VF_MIN_Y:
805                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.y;
806                         break;
807                 case VF_SIZE:
808                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.width, r_refdef.view.height, 0);
809                         break;
810                 case VF_SIZE_X:
811                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.width;
812                         break;
813                 case VF_SIZE_Y:
814                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.height;
815                         break;
816                 case VF_VIEWPORT:
817                         VM_Warning(prog, "VM_CL_R_GetView : VF_VIEWPORT can't be retrieved, use VF_MIN/VF_SIZE instead\n");
818                         break;
819                 case VF_FOV:
820                         VectorSet(PRVM_G_VECTOR(OFS_RETURN), r_refdef.view.ortho_x, r_refdef.view.ortho_y, 0);
821                         break;
822                 case VF_FOVX:
823                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_x;
824                         break;
825                 case VF_FOVY:
826                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ortho_y;
827                         break;
828                 case VF_ORIGIN:
829                         VectorCopy(cl.csqc_vieworigin, PRVM_G_VECTOR(OFS_RETURN));
830                         break;
831                 case VF_ORIGIN_X:
832                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[0];
833                         break;
834                 case VF_ORIGIN_Y:
835                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[1];
836                         break;
837                 case VF_ORIGIN_Z:
838                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vieworigin[2];
839                         break;
840                 case VF_ANGLES:
841                         VectorCopy(cl.csqc_viewangles, PRVM_G_VECTOR(OFS_RETURN));
842                         break;
843                 case VF_ANGLES_X:
844                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[0];
845                         break;
846                 case VF_ANGLES_Y:
847                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[1];
848                         break;
849                 case VF_ANGLES_Z:
850                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_viewangles[2];
851                         break;
852                 case VF_DRAWWORLD:
853                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawworld;
854                         break;
855                 case VF_DRAWENGINESBAR:
856                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawenginesbar;
857                         break;
858                 case VF_DRAWCROSSHAIR:
859                         PRVM_G_FLOAT(OFS_RETURN) = cl.csqc_vidvars.drawcrosshair;
860                         break;
861                 case VF_CL_VIEWANGLES:
862                         VectorCopy(cl.viewangles, PRVM_G_VECTOR(OFS_RETURN));;
863                         break;
864                 case VF_CL_VIEWANGLES_X:
865                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[0];
866                         break;
867                 case VF_CL_VIEWANGLES_Y:
868                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[1];
869                         break;
870                 case VF_CL_VIEWANGLES_Z:
871                         PRVM_G_FLOAT(OFS_RETURN) = cl.viewangles[2];
872                         break;
873                 case VF_PERSPECTIVE:
874                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.useperspective;
875                         break;
876                 case VF_CLEARSCREEN:
877                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.isoverlay;
878                         break;
879                 case VF_MAINVIEW:
880                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
881                         break;
882                 case VF_FOG_DENSITY:
883                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_density;
884                         break;
885                 case VF_FOG_COLOR:
886                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
887                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
888                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
889                         break;
890                 case VF_FOG_COLOR_R:
891                         PRVM_G_VECTOR(OFS_RETURN)[0] = r_refdef.fog_red;
892                         break;
893                 case VF_FOG_COLOR_G:
894                         PRVM_G_VECTOR(OFS_RETURN)[1] = r_refdef.fog_green;
895                         break;
896                 case VF_FOG_COLOR_B:
897                         PRVM_G_VECTOR(OFS_RETURN)[2] = r_refdef.fog_blue;
898                         break;
899                 case VF_FOG_ALPHA:
900                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_alpha;
901                         break;
902                 case VF_FOG_START:
903                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_start;
904                         break;
905                 case VF_FOG_END:
906                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_end;
907                         break;
908                 case VF_FOG_HEIGHT:
909                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_height;
910                         break;
911                 case VF_FOG_FADEDEPTH:
912                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.fog_fadedepth;
913                         break;
914                 case VF_MINFPS_QUALITY:
915                         PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.quality;
916                         break;
917                 default:
918                         PRVM_G_FLOAT(OFS_RETURN) = 0;
919                         VM_Warning(prog, "VM_CL_R_GetView : unknown parm %i\n", c);
920                         return;
921                 }
922                 return;
923         }
924
925         f = PRVM_G_VECTOR(OFS_PARM1);
926         k = PRVM_G_FLOAT(OFS_PARM1);
927         switch(c)
928         {
929         case VF_MIN:
930                 r_refdef.view.x = (int)(f[0]);
931                 r_refdef.view.y = (int)(f[1]);
932                 DrawQ_RecalcView();
933                 break;
934         case VF_MIN_X:
935                 r_refdef.view.x = (int)(k);
936                 DrawQ_RecalcView();
937                 break;
938         case VF_MIN_Y:
939                 r_refdef.view.y = (int)(k);
940                 DrawQ_RecalcView();
941                 break;
942         case VF_SIZE:
943                 r_refdef.view.width = (int)(f[0]);
944                 r_refdef.view.height = (int)(f[1]);
945                 DrawQ_RecalcView();
946                 break;
947         case VF_SIZE_X:
948                 r_refdef.view.width = (int)(k);
949                 DrawQ_RecalcView();
950                 break;
951         case VF_SIZE_Y:
952                 r_refdef.view.height = (int)(k);
953                 DrawQ_RecalcView();
954                 break;
955         case VF_VIEWPORT:
956                 r_refdef.view.x = (int)(f[0]);
957                 r_refdef.view.y = (int)(f[1]);
958                 f = PRVM_G_VECTOR(OFS_PARM2);
959                 r_refdef.view.width = (int)(f[0]);
960                 r_refdef.view.height = (int)(f[1]);
961                 DrawQ_RecalcView();
962                 break;
963         case VF_FOV:
964                 r_refdef.view.frustum_x = tan(f[0] * M_PI / 360.0);r_refdef.view.ortho_x = f[0];
965                 r_refdef.view.frustum_y = tan(f[1] * M_PI / 360.0);r_refdef.view.ortho_y = f[1];
966                 break;
967         case VF_FOVX:
968                 r_refdef.view.frustum_x = tan(k * M_PI / 360.0);r_refdef.view.ortho_x = k;
969                 break;
970         case VF_FOVY:
971                 r_refdef.view.frustum_y = tan(k * M_PI / 360.0);r_refdef.view.ortho_y = k;
972                 break;
973         case VF_ORIGIN:
974                 VectorCopy(f, cl.csqc_vieworigin);
975                 CSQC_R_RecalcView();
976                 break;
977         case VF_ORIGIN_X:
978                 cl.csqc_vieworigin[0] = k;
979                 CSQC_R_RecalcView();
980                 break;
981         case VF_ORIGIN_Y:
982                 cl.csqc_vieworigin[1] = k;
983                 CSQC_R_RecalcView();
984                 break;
985         case VF_ORIGIN_Z:
986                 cl.csqc_vieworigin[2] = k;
987                 CSQC_R_RecalcView();
988                 break;
989         case VF_ANGLES:
990                 VectorCopy(f, cl.csqc_viewangles);
991                 CSQC_R_RecalcView();
992                 break;
993         case VF_ANGLES_X:
994                 cl.csqc_viewangles[0] = k;
995                 CSQC_R_RecalcView();
996                 break;
997         case VF_ANGLES_Y:
998                 cl.csqc_viewangles[1] = k;
999                 CSQC_R_RecalcView();
1000                 break;
1001         case VF_ANGLES_Z:
1002                 cl.csqc_viewangles[2] = k;
1003                 CSQC_R_RecalcView();
1004                 break;
1005         case VF_DRAWWORLD:
1006                 cl.csqc_vidvars.drawworld = ((k != 0) && r_drawworld.integer);
1007                 break;
1008         case VF_DRAWENGINESBAR:
1009                 cl.csqc_vidvars.drawenginesbar = k != 0;
1010                 break;
1011         case VF_DRAWCROSSHAIR:
1012                 cl.csqc_vidvars.drawcrosshair = k != 0;
1013                 break;
1014         case VF_CL_VIEWANGLES:
1015                 VectorCopy(f, cl.viewangles);
1016                 break;
1017         case VF_CL_VIEWANGLES_X:
1018                 cl.viewangles[0] = k;
1019                 break;
1020         case VF_CL_VIEWANGLES_Y:
1021                 cl.viewangles[1] = k;
1022                 break;
1023         case VF_CL_VIEWANGLES_Z:
1024                 cl.viewangles[2] = k;
1025                 break;
1026         case VF_PERSPECTIVE:
1027                 r_refdef.view.useperspective = k != 0;
1028                 break;
1029         case VF_CLEARSCREEN:
1030                 r_refdef.view.isoverlay = !k;
1031                 break;
1032         case VF_MAINVIEW:
1033                 PRVM_G_FLOAT(OFS_RETURN) = r_refdef.view.ismain;
1034                 break;
1035         case VF_FOG_DENSITY:
1036                 r_refdef.fog_density = k;
1037                 break;
1038         case VF_FOG_COLOR:
1039                 r_refdef.fog_red = f[0];
1040                 r_refdef.fog_green = f[1];
1041                 r_refdef.fog_blue = f[2];
1042                 break;
1043         case VF_FOG_COLOR_R:
1044                 r_refdef.fog_red = k;
1045                 break;
1046         case VF_FOG_COLOR_G:
1047                 r_refdef.fog_green = k;
1048                 break;
1049         case VF_FOG_COLOR_B:
1050                 r_refdef.fog_blue = k;
1051                 break;
1052         case VF_FOG_ALPHA:
1053                 r_refdef.fog_alpha = k;
1054                 break;
1055         case VF_FOG_START:
1056                 r_refdef.fog_start = k;
1057                 break;
1058         case VF_FOG_END:
1059                 r_refdef.fog_end = k;
1060                 break;
1061         case VF_FOG_HEIGHT:
1062                 r_refdef.fog_height = k;
1063                 break;
1064         case VF_FOG_FADEDEPTH:
1065                 r_refdef.fog_fadedepth = k;
1066                 break;
1067         case VF_MINFPS_QUALITY:
1068                 r_refdef.view.quality = k;
1069                 break;
1070         default:
1071                 PRVM_G_FLOAT(OFS_RETURN) = 0;
1072                 VM_Warning(prog, "VM_CL_R_SetView : unknown parm %i\n", c);
1073                 return;
1074         }
1075         PRVM_G_FLOAT(OFS_RETURN) = 1;
1076 }
1077
1078 //#305 void(vector org, float radius, vector lightcolours[, float style, string cubemapname, float pflags]) adddynamiclight (EXT_CSQC)
1079 static void VM_CL_R_AddDynamicLight (prvm_prog_t *prog)
1080 {
1081         double t = Sys_DirtyTime();
1082         vec_t *org;
1083         float radius = 300;
1084         vec_t *col;
1085         int style = -1;
1086         const char *cubemapname = NULL;
1087         int pflags = PFLAGS_CORONA | PFLAGS_FULLDYNAMIC;
1088         float coronaintensity = 1;
1089         float coronasizescale = 0.25;
1090         qboolean castshadow = true;
1091         float ambientscale = 0;
1092         float diffusescale = 1;
1093         float specularscale = 1;
1094         matrix4x4_t matrix;
1095         vec3_t forward, left, up;
1096         VM_SAFEPARMCOUNTRANGE(3, 8, VM_CL_R_AddDynamicLight);
1097
1098         // if we've run out of dlights, just return
1099         if (r_refdef.scene.numlights >= MAX_DLIGHTS)
1100                 return;
1101
1102         org = PRVM_G_VECTOR(OFS_PARM0);
1103         radius = PRVM_G_FLOAT(OFS_PARM1);
1104         col = PRVM_G_VECTOR(OFS_PARM2);
1105         if (prog->argc >= 4)
1106         {
1107                 style = (int)PRVM_G_FLOAT(OFS_PARM3);
1108                 if (style >= MAX_LIGHTSTYLES)
1109                 {
1110                         Con_DPrintf("VM_CL_R_AddDynamicLight: out of bounds lightstyle index %i\n", style);
1111                         style = -1;
1112                 }
1113         }
1114         if (prog->argc >= 5)
1115                 cubemapname = PRVM_G_STRING(OFS_PARM4);
1116         if (prog->argc >= 6)
1117                 pflags = (int)PRVM_G_FLOAT(OFS_PARM5);
1118         coronaintensity = (pflags & PFLAGS_CORONA) != 0;
1119         castshadow = (pflags & PFLAGS_NOSHADOW) == 0;
1120
1121         VectorScale(PRVM_clientglobalvector(v_forward), radius, forward);
1122         VectorScale(PRVM_clientglobalvector(v_right), -radius, left);
1123         VectorScale(PRVM_clientglobalvector(v_up), radius, up);
1124         Matrix4x4_FromVectors(&matrix, forward, left, up, org);
1125
1126         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);
1127         r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
1128         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
1129         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
1130 }
1131
1132 //============================================================================
1133
1134 //#310 vector (vector v) cs_unproject (EXT_CSQC)
1135 static void VM_CL_unproject (prvm_prog_t *prog)
1136 {
1137         float   *f;
1138         vec3_t  temp;
1139
1140         VM_SAFEPARMCOUNT(1, VM_CL_unproject);
1141         f = PRVM_G_VECTOR(OFS_PARM0);
1142         VectorSet(temp,
1143                 f[2],
1144                 (-1.0 + 2.0 * (f[0] / vid_conwidth.integer)) * f[2] * -r_refdef.view.frustum_x,
1145                 (-1.0 + 2.0 * (f[1] / vid_conheight.integer)) * f[2] * -r_refdef.view.frustum_y);
1146         if(v_flipped.integer)
1147                 temp[1] = -temp[1];
1148         Matrix4x4_Transform(&r_refdef.view.matrix, temp, PRVM_G_VECTOR(OFS_RETURN));
1149 }
1150
1151 //#311 vector (vector v) cs_project (EXT_CSQC)
1152 static void VM_CL_project (prvm_prog_t *prog)
1153 {
1154         float   *f;
1155         vec3_t  v;
1156         matrix4x4_t m;
1157
1158         VM_SAFEPARMCOUNT(1, VM_CL_project);
1159         f = PRVM_G_VECTOR(OFS_PARM0);
1160         Matrix4x4_Invert_Simple(&m, &r_refdef.view.matrix);
1161         Matrix4x4_Transform(&m, f, v);
1162         if(v_flipped.integer)
1163                 v[1] = -v[1];
1164         VectorSet(PRVM_G_VECTOR(OFS_RETURN),
1165                 vid_conwidth.integer * (0.5*(1.0+v[1]/v[0]/-r_refdef.view.frustum_x)),
1166                 vid_conheight.integer * (0.5*(1.0+v[2]/v[0]/-r_refdef.view.frustum_y)),
1167                 v[0]);
1168         // explanation:
1169         // after transforming, relative position to viewport (0..1) = 0.5 * (1 + v[2]/v[0]/-frustum_{x \or y})
1170         // as 2D drawing honors the viewport too, to get the same pixel, we simply multiply this by conwidth/height
1171 }
1172
1173 //#330 float(float stnum) getstatf (EXT_CSQC)
1174 static void VM_CL_getstatf (prvm_prog_t *prog)
1175 {
1176         int i;
1177         union
1178         {
1179                 float f;
1180                 int l;
1181         }dat;
1182         VM_SAFEPARMCOUNT(1, VM_CL_getstatf);
1183         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1184         if(i < 0 || i >= MAX_CL_STATS)
1185         {
1186                 VM_Warning(prog, "VM_CL_getstatf: index>=MAX_CL_STATS or index<0\n");
1187                 return;
1188         }
1189         dat.l = cl.stats[i];
1190         PRVM_G_FLOAT(OFS_RETURN) =  dat.f;
1191 }
1192
1193 //#331 float(float stnum) getstati (EXT_CSQC)
1194 static void VM_CL_getstati (prvm_prog_t *prog)
1195 {
1196         int i, index;
1197         int firstbit, bitcount;
1198
1199         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getstati);
1200
1201         index = (int)PRVM_G_FLOAT(OFS_PARM0);
1202         if (prog->argc > 1)
1203         {
1204                 firstbit = (int)PRVM_G_FLOAT(OFS_PARM1);
1205                 if (prog->argc > 2)
1206                         bitcount = (int)PRVM_G_FLOAT(OFS_PARM2);
1207                 else
1208                         bitcount = 1;
1209         }
1210         else
1211         {
1212                 firstbit = 0;
1213                 bitcount = 32;
1214         }
1215
1216         if(index < 0 || index >= MAX_CL_STATS)
1217         {
1218                 VM_Warning(prog, "VM_CL_getstati: index>=MAX_CL_STATS or index<0\n");
1219                 return;
1220         }
1221         i = cl.stats[index];
1222         if (bitcount != 32)     //32 causes the mask to overflow, so there's nothing to subtract from.
1223                 i = (((unsigned int)i)&(((1<<bitcount)-1)<<firstbit))>>firstbit;
1224         PRVM_G_FLOAT(OFS_RETURN) = i;
1225 }
1226
1227 //#332 string(float firststnum) getstats (EXT_CSQC)
1228 static void VM_CL_getstats (prvm_prog_t *prog)
1229 {
1230         int i;
1231         char t[17];
1232         VM_SAFEPARMCOUNT(1, VM_CL_getstats);
1233         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1234         if(i < 0 || i > MAX_CL_STATS-4)
1235         {
1236                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1237                 VM_Warning(prog, "VM_CL_getstats: index>MAX_CL_STATS-4 or index<0\n");
1238                 return;
1239         }
1240         strlcpy(t, (char*)&cl.stats[i], sizeof(t));
1241         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1242 }
1243
1244 //#333 void(entity e, float mdlindex) setmodelindex (EXT_CSQC)
1245 static void VM_CL_setmodelindex (prvm_prog_t *prog)
1246 {
1247         int                             i;
1248         prvm_edict_t    *t;
1249         struct model_s  *model;
1250
1251         VM_SAFEPARMCOUNT(2, VM_CL_setmodelindex);
1252
1253         t = PRVM_G_EDICT(OFS_PARM0);
1254
1255         i = (int)PRVM_G_FLOAT(OFS_PARM1);
1256
1257         PRVM_clientedictstring(t, model) = 0;
1258         PRVM_clientedictfloat(t, modelindex) = 0;
1259
1260         if (!i)
1261                 return;
1262
1263         model = CL_GetModelByIndex(i);
1264         if (!model)
1265         {
1266                 VM_Warning(prog, "VM_CL_setmodelindex: null model\n");
1267                 return;
1268         }
1269         PRVM_clientedictstring(t, model) = PRVM_SetEngineString(prog, model->name);
1270         PRVM_clientedictfloat(t, modelindex) = i;
1271
1272         // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
1273         if (model)
1274         {
1275                 SetMinMaxSize (prog, t, model->normalmins, model->normalmaxs);
1276         }
1277         else
1278                 SetMinMaxSize (prog, t, vec3_origin, vec3_origin);
1279 }
1280
1281 //#334 string(float mdlindex) modelnameforindex (EXT_CSQC)
1282 static void VM_CL_modelnameforindex (prvm_prog_t *prog)
1283 {
1284         dp_model_t *model;
1285
1286         VM_SAFEPARMCOUNT(1, VM_CL_modelnameforindex);
1287
1288         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1289         model = CL_GetModelByIndex((int)PRVM_G_FLOAT(OFS_PARM0));
1290         PRVM_G_INT(OFS_RETURN) = model ? PRVM_SetEngineString(prog, model->name) : 0;
1291 }
1292
1293 //#335 float(string effectname) particleeffectnum (EXT_CSQC)
1294 static void VM_CL_particleeffectnum (prvm_prog_t *prog)
1295 {
1296         int                     i;
1297         VM_SAFEPARMCOUNT(1, VM_CL_particleeffectnum);
1298         i = CL_ParticleEffectIndexForName(PRVM_G_STRING(OFS_PARM0));
1299         if (i == 0)
1300                 i = -1;
1301         PRVM_G_FLOAT(OFS_RETURN) = i;
1302 }
1303
1304 // #336 void(entity ent, float effectnum, vector start, vector end[, float color]) trailparticles (EXT_CSQC)
1305 static void VM_CL_trailparticles (prvm_prog_t *prog)
1306 {
1307         int                             i;
1308         float                   *start, *end;
1309         prvm_edict_t    *t;
1310         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_trailparticles);
1311
1312         t = PRVM_G_EDICT(OFS_PARM0);
1313         i               = (int)PRVM_G_FLOAT(OFS_PARM1);
1314         start   = PRVM_G_VECTOR(OFS_PARM2);
1315         end             = PRVM_G_VECTOR(OFS_PARM3);
1316
1317         if (i < 0)
1318                 return;
1319         CL_ParticleEffect(i, 1, start, end, PRVM_clientedictvector(t, velocity), PRVM_clientedictvector(t, velocity), NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1320 }
1321
1322 //#337 void(float effectnum, vector origin, vector dir, float count[, float color]) pointparticles (EXT_CSQC)
1323 static void VM_CL_pointparticles (prvm_prog_t *prog)
1324 {
1325         int                     i;
1326         float n;
1327         float           *f, *v;
1328         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_pointparticles);
1329         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1330         f = PRVM_G_VECTOR(OFS_PARM1);
1331         v = PRVM_G_VECTOR(OFS_PARM2);
1332         n = PRVM_G_FLOAT(OFS_PARM3);
1333         if (i < 0)
1334                 return;
1335         CL_ParticleEffect(i, n, f, f, v, v, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1336 }
1337
1338 //#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)
1339 static void VM_CL_boxparticles (prvm_prog_t *prog)
1340 {
1341         int effectnum;
1342         // prvm_edict_t *own;
1343         float *origin_from, *origin_to, *dir_from, *dir_to;
1344         float count;
1345         int flags;
1346         float tintmins[4], tintmaxs[4];
1347         VM_SAFEPARMCOUNTRANGE(7, 8, VM_CL_boxparticles);
1348
1349         effectnum = (int)PRVM_G_FLOAT(OFS_PARM0);
1350         // own = PRVM_G_EDICT(OFS_PARM1); // TODO find use for this
1351         origin_from = PRVM_G_VECTOR(OFS_PARM2);
1352         origin_to = PRVM_G_VECTOR(OFS_PARM3);
1353         dir_from = PRVM_G_VECTOR(OFS_PARM4);
1354         dir_to = PRVM_G_VECTOR(OFS_PARM5);
1355         count = PRVM_G_FLOAT(OFS_PARM6);
1356         if(prog->argc >= 8)
1357                 flags = PRVM_G_FLOAT(OFS_PARM7);
1358         else
1359                 flags = 0;
1360         Vector4Set(tintmins, 1, 1, 1, 1);
1361         Vector4Set(tintmaxs, 1, 1, 1, 1);
1362         if(flags & 1) // read alpha
1363         {
1364                 tintmins[3] = PRVM_clientglobalfloat(particles_alphamin);
1365                 tintmaxs[3] = PRVM_clientglobalfloat(particles_alphamax);
1366         }
1367         if(flags & 2) // read color
1368         {
1369                 VectorCopy(PRVM_clientglobalvector(particles_colormin), tintmins);
1370                 VectorCopy(PRVM_clientglobalvector(particles_colormax), tintmaxs);
1371         }
1372         if (effectnum < 0)
1373                 return;
1374         CL_ParticleTrail(effectnum, count, origin_from, origin_to, dir_from, dir_to, NULL, 0, true, true, tintmins, tintmaxs);
1375 }
1376
1377 //#531 void(float pause) setpause
1378 static void VM_CL_setpause(prvm_prog_t *prog)
1379 {
1380         VM_SAFEPARMCOUNT(1, VM_CL_setpause);
1381         if ((int)PRVM_G_FLOAT(OFS_PARM0) != 0)
1382                 cl.csqc_paused = true;
1383         else
1384                 cl.csqc_paused = false;
1385 }
1386
1387 //#343 void(float usecursor) setcursormode (DP_CSQC)
1388 static void VM_CL_setcursormode (prvm_prog_t *prog)
1389 {
1390         VM_SAFEPARMCOUNT(1, VM_CL_setcursormode);
1391         cl.csqc_wantsmousemove = PRVM_G_FLOAT(OFS_PARM0) != 0;
1392         cl_ignoremousemoves = 2;
1393 }
1394
1395 //#344 vector() getmousepos (DP_CSQC)
1396 static void VM_CL_getmousepos(prvm_prog_t *prog)
1397 {
1398         VM_SAFEPARMCOUNT(0,VM_CL_getmousepos);
1399
1400         if (key_consoleactive || key_dest != key_game)
1401                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), 0, 0, 0);
1402         else if (cl.csqc_wantsmousemove)
1403                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_windowmouse_x * vid_conwidth.integer / vid.width, in_windowmouse_y * vid_conheight.integer / vid.height, 0);
1404         else
1405                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_mouse_x * vid_conwidth.integer / vid.width, in_mouse_y * vid_conheight.integer / vid.height, 0);
1406 }
1407
1408 //#345 float(float framenum) getinputstate (EXT_CSQC)
1409 static void VM_CL_getinputstate (prvm_prog_t *prog)
1410 {
1411         int i, frame;
1412         VM_SAFEPARMCOUNT(1, VM_CL_getinputstate);
1413         frame = (int)PRVM_G_FLOAT(OFS_PARM0);
1414         PRVM_G_FLOAT(OFS_RETURN) = false;
1415         for (i = 0;i < CL_MAX_USERCMDS;i++)
1416         {
1417                 if (cl.movecmd[i].sequence == frame)
1418                 {
1419                         VectorCopy(cl.movecmd[i].viewangles, PRVM_clientglobalvector(input_angles));
1420                         PRVM_clientglobalfloat(input_buttons) = cl.movecmd[i].buttons; // FIXME: this should not be directly exposed to csqc (translation layer needed?)
1421                         PRVM_clientglobalvector(input_movevalues)[0] = cl.movecmd[i].forwardmove;
1422                         PRVM_clientglobalvector(input_movevalues)[1] = cl.movecmd[i].sidemove;
1423                         PRVM_clientglobalvector(input_movevalues)[2] = cl.movecmd[i].upmove;
1424                         PRVM_clientglobalfloat(input_timelength) = cl.movecmd[i].frametime;
1425                         // this probably shouldn't be here
1426                         if(cl.movecmd[i].crouch)
1427                         {
1428                                 VectorCopy(cl.playercrouchmins, PRVM_clientglobalvector(pmove_mins));
1429                                 VectorCopy(cl.playercrouchmaxs, PRVM_clientglobalvector(pmove_maxs));
1430                         }
1431                         else
1432                         {
1433                                 VectorCopy(cl.playerstandmins, PRVM_clientglobalvector(pmove_mins));
1434                                 VectorCopy(cl.playerstandmaxs, PRVM_clientglobalvector(pmove_maxs));
1435                         }
1436                         PRVM_G_FLOAT(OFS_RETURN) = true;
1437                 }
1438         }
1439 }
1440
1441 //#346 void(float sens) setsensitivityscaler (EXT_CSQC)
1442 static void VM_CL_setsensitivityscale (prvm_prog_t *prog)
1443 {
1444         VM_SAFEPARMCOUNT(1, VM_CL_setsensitivityscale);
1445         cl.sensitivityscale = PRVM_G_FLOAT(OFS_PARM0);
1446 }
1447
1448 //#347 void() runstandardplayerphysics (EXT_CSQC)
1449 #define PMF_JUMP_HELD 1 // matches FTEQW
1450 #define PMF_LADDER 2 // not used by DP, FTEQW sets this in runplayerphysics but does not read it
1451 #define PMF_DUCKED 4 // FIXME FTEQW doesn't have this for Q1 like movement because Q1 cannot crouch
1452 #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
1453 static void VM_CL_runplayerphysics (prvm_prog_t *prog)
1454 {
1455         cl_clientmovement_state_t s;
1456         prvm_edict_t *ent;
1457
1458         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_runplayerphysics);
1459
1460         ent = (prog->argc == 1 ? PRVM_G_EDICT(OFS_PARM0) : prog->edicts);
1461         if(ent == prog->edicts)
1462         {
1463                 // deprecated use
1464                 VectorCopy(PRVM_clientglobalvector(pmove_org), s.origin);
1465                 VectorCopy(PRVM_clientglobalvector(pmove_vel), s.velocity);
1466                 VectorCopy(PRVM_clientglobalvector(pmove_mins), s.mins);
1467                 VectorCopy(PRVM_clientglobalvector(pmove_maxs), s.maxs);
1468                 s.crouched = 0;
1469                 s.waterjumptime = PRVM_clientglobalfloat(pmove_waterjumptime);
1470                 s.cmd.canjump = (int)PRVM_clientglobalfloat(pmove_jump_held) == 0;
1471         }
1472         else
1473         {
1474                 // new use
1475                 VectorCopy(PRVM_clientedictvector(ent, origin), s.origin);
1476                 VectorCopy(PRVM_clientedictvector(ent, velocity), s.velocity);
1477                 VectorCopy(PRVM_clientedictvector(ent, mins), s.mins);
1478                 VectorCopy(PRVM_clientedictvector(ent, maxs), s.maxs);
1479                 s.crouched = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_DUCKED) != 0;
1480                 s.waterjumptime = 0; // FIXME where do we get this from? FTEQW lacks support for this too
1481                 s.cmd.canjump = ((int)PRVM_clientedictfloat(ent, pmove_flags) & PMF_JUMP_HELD) == 0;
1482         }
1483
1484         VectorCopy(PRVM_clientglobalvector(input_angles), s.cmd.viewangles);
1485         s.cmd.forwardmove = PRVM_clientglobalvector(input_movevalues)[0];
1486         s.cmd.sidemove = PRVM_clientglobalvector(input_movevalues)[1];
1487         s.cmd.upmove = PRVM_clientglobalvector(input_movevalues)[2];
1488         s.cmd.buttons = PRVM_clientglobalfloat(input_buttons);
1489         s.cmd.frametime = PRVM_clientglobalfloat(input_timelength);
1490         s.cmd.jump = (s.cmd.buttons & 2) != 0;
1491         s.cmd.crouch = (s.cmd.buttons & 16) != 0;
1492
1493         CL_ClientMovement_PlayerMove(&s);
1494
1495         if(ent == prog->edicts)
1496         {
1497                 // deprecated use
1498                 VectorCopy(s.origin, PRVM_clientglobalvector(pmove_org));
1499                 VectorCopy(s.velocity, PRVM_clientglobalvector(pmove_vel));
1500                 PRVM_clientglobalfloat(pmove_jump_held) = !s.cmd.canjump;
1501                 PRVM_clientglobalfloat(pmove_waterjumptime) = s.waterjumptime;
1502         }
1503         else
1504         {
1505                 // new use
1506                 VectorCopy(s.origin, PRVM_clientedictvector(ent, origin));
1507                 VectorCopy(s.velocity, PRVM_clientedictvector(ent, velocity));
1508                 PRVM_clientedictfloat(ent, pmove_flags) =
1509                         (s.crouched ? PMF_DUCKED : 0) |
1510                         (s.cmd.canjump ? 0 : PMF_JUMP_HELD) |
1511                         (s.onground ? PMF_ONGROUND : 0);
1512         }
1513 }
1514
1515 //#348 string(float playernum, string keyname) getplayerkeyvalue (EXT_CSQC)
1516 static void VM_CL_getplayerkey (prvm_prog_t *prog)
1517 {
1518         int                     i;
1519         char            t[128];
1520         const char      *c;
1521
1522         VM_SAFEPARMCOUNT(2, VM_CL_getplayerkey);
1523
1524         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1525         c = PRVM_G_STRING(OFS_PARM1);
1526         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1527         Sbar_SortFrags();
1528
1529         if (i < 0)
1530                 i = Sbar_GetSortedPlayerIndex(-1-i);
1531         if(i < 0 || i >= cl.maxclients)
1532                 return;
1533
1534         t[0] = 0;
1535
1536         if(!strcasecmp(c, "name"))
1537                 strlcpy(t, cl.scores[i].name, sizeof(t));
1538         else
1539                 if(!strcasecmp(c, "frags"))
1540                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].frags);
1541         else
1542                 if(!strcasecmp(c, "ping"))
1543                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_ping);
1544         else
1545                 if(!strcasecmp(c, "pl"))
1546                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_packetloss);
1547         else
1548                 if(!strcasecmp(c, "movementloss"))
1549                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_movementloss);
1550         else
1551                 if(!strcasecmp(c, "entertime"))
1552                         dpsnprintf(t, sizeof(t), "%f", cl.scores[i].qw_entertime);
1553         else
1554                 if(!strcasecmp(c, "colors"))
1555                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors);
1556         else
1557                 if(!strcasecmp(c, "topcolor"))
1558                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors & 0xf0);
1559         else
1560                 if(!strcasecmp(c, "bottomcolor"))
1561                         dpsnprintf(t, sizeof(t), "%i", (cl.scores[i].colors &15)<<4);
1562         else
1563                 if(!strcasecmp(c, "viewentity"))
1564                         dpsnprintf(t, sizeof(t), "%i", i+1);
1565         else
1566                 if(gamemode == GAME_XONOTIC && !strcasecmp(c, "TEMPHACK_origin"))
1567                 {
1568                         // PLEASE REMOVE THIS once deltalisten() of EXT_CSQC_1
1569                         // is implemented, or Xonotic uses CSQC-networked
1570                         // players, whichever comes first
1571                         entity_t *e = cl.entities + (i+1);
1572                         if(e->state_current.active)
1573                         {
1574                                 vec3_t origin;
1575                                 Matrix4x4_OriginFromMatrix(&e->render.matrix, origin);
1576                                 dpsnprintf(t, sizeof(t), "%.9g %.9g %.9g", origin[0], origin[1], origin[2]);
1577                         }
1578                 }
1579         if(!t[0])
1580                 return;
1581         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, t);
1582 }
1583
1584 //#351 void(vector origin, vector forward, vector right, vector up) SetListener (EXT_CSQC)
1585 static void VM_CL_setlistener (prvm_prog_t *prog)
1586 {
1587         VM_SAFEPARMCOUNT(4, VM_CL_setlistener);
1588         Matrix4x4_FromVectors(&cl.csqc_listenermatrix, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), PRVM_G_VECTOR(OFS_PARM3), PRVM_G_VECTOR(OFS_PARM0));
1589         cl.csqc_usecsqclistener = true; //use csqc listener at this frame
1590 }
1591
1592 //#352 void(string cmdname) registercommand (EXT_CSQC)
1593 static void VM_CL_registercmd (prvm_prog_t *prog)
1594 {
1595         char *t;
1596         VM_SAFEPARMCOUNT(1, VM_CL_registercmd);
1597         if(!Cmd_Exists(PRVM_G_STRING(OFS_PARM0)))
1598         {
1599                 size_t alloclen;
1600
1601                 alloclen = strlen(PRVM_G_STRING(OFS_PARM0)) + 1;
1602                 t = (char *)Z_Malloc(alloclen);
1603                 memcpy(t, PRVM_G_STRING(OFS_PARM0), alloclen);
1604                 Cmd_AddCommand(t, NULL, "console command created by QuakeC");
1605         }
1606         else
1607                 Cmd_AddCommand(PRVM_G_STRING(OFS_PARM0), NULL, "console command created by QuakeC");
1608
1609 }
1610
1611 //#360 float() readbyte (EXT_CSQC)
1612 static void VM_CL_ReadByte (prvm_prog_t *prog)
1613 {
1614         VM_SAFEPARMCOUNT(0, VM_CL_ReadByte);
1615         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadByte(&cl_message);
1616 }
1617
1618 //#361 float() readchar (EXT_CSQC)
1619 static void VM_CL_ReadChar (prvm_prog_t *prog)
1620 {
1621         VM_SAFEPARMCOUNT(0, VM_CL_ReadChar);
1622         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadChar(&cl_message);
1623 }
1624
1625 //#362 float() readshort (EXT_CSQC)
1626 static void VM_CL_ReadShort (prvm_prog_t *prog)
1627 {
1628         VM_SAFEPARMCOUNT(0, VM_CL_ReadShort);
1629         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadShort(&cl_message);
1630 }
1631
1632 //#363 float() readlong (EXT_CSQC)
1633 static void VM_CL_ReadLong (prvm_prog_t *prog)
1634 {
1635         VM_SAFEPARMCOUNT(0, VM_CL_ReadLong);
1636         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadLong(&cl_message);
1637 }
1638
1639 //#364 float() readcoord (EXT_CSQC)
1640 static void VM_CL_ReadCoord (prvm_prog_t *prog)
1641 {
1642         VM_SAFEPARMCOUNT(0, VM_CL_ReadCoord);
1643         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadCoord(&cl_message, cls.protocol);
1644 }
1645
1646 //#365 float() readangle (EXT_CSQC)
1647 static void VM_CL_ReadAngle (prvm_prog_t *prog)
1648 {
1649         VM_SAFEPARMCOUNT(0, VM_CL_ReadAngle);
1650         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadAngle(&cl_message, cls.protocol);
1651 }
1652
1653 //#366 string() readstring (EXT_CSQC)
1654 static void VM_CL_ReadString (prvm_prog_t *prog)
1655 {
1656         VM_SAFEPARMCOUNT(0, VM_CL_ReadString);
1657         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring)));
1658 }
1659
1660 //#367 float() readfloat (EXT_CSQC)
1661 static void VM_CL_ReadFloat (prvm_prog_t *prog)
1662 {
1663         VM_SAFEPARMCOUNT(0, VM_CL_ReadFloat);
1664         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadFloat(&cl_message);
1665 }
1666
1667 //#501 string() readpicture (DP_CSQC_READWRITEPICTURE)
1668 extern cvar_t cl_readpicture_force;
1669 static void VM_CL_ReadPicture (prvm_prog_t *prog)
1670 {
1671         const char *name;
1672         unsigned char *data;
1673         unsigned char *buf;
1674         int size;
1675         int i;
1676         cachepic_t *pic;
1677
1678         VM_SAFEPARMCOUNT(0, VM_CL_ReadPicture);
1679
1680         name = MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring));
1681         size = MSG_ReadShort(&cl_message);
1682
1683         // check if a texture of that name exists
1684         // if yes, it is used and the data is discarded
1685         // if not, the (low quality) data is used to build a new texture, whose name will get returned
1686
1687         pic = Draw_CachePic_Flags (name, CACHEPICFLAG_NOTPERSISTENT);
1688
1689         if(size)
1690         {
1691                 if(pic->tex == r_texture_notexture)
1692                         pic->tex = NULL; // don't overwrite the notexture by Draw_NewPic
1693                 if(pic->tex && !cl_readpicture_force.integer)
1694                 {
1695                         // texture found and loaded
1696                         // skip over the jpeg as we don't need it
1697                         for(i = 0; i < size; ++i)
1698                                 (void) MSG_ReadByte(&cl_message);
1699                 }
1700                 else
1701                 {
1702                         // texture not found
1703                         // use the attached jpeg as texture
1704                         buf = (unsigned char *) Mem_Alloc(tempmempool, size);
1705                         MSG_ReadBytes(&cl_message, size, buf);
1706                         data = JPEG_LoadImage_BGRA(buf, size, NULL);
1707                         Mem_Free(buf);
1708                         Draw_NewPic(name, image_width, image_height, false, data);
1709                         Mem_Free(data);
1710                 }
1711         }
1712
1713         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, name);
1714 }
1715
1716 //////////////////////////////////////////////////////////
1717
1718 static void VM_CL_makestatic (prvm_prog_t *prog)
1719 {
1720         prvm_edict_t *ent;
1721
1722         VM_SAFEPARMCOUNT(1, VM_CL_makestatic);
1723
1724         ent = PRVM_G_EDICT(OFS_PARM0);
1725         if (ent == prog->edicts)
1726         {
1727                 VM_Warning(prog, "makestatic: can not modify world entity\n");
1728                 return;
1729         }
1730         if (ent->priv.server->free)
1731         {
1732                 VM_Warning(prog, "makestatic: can not modify free entity\n");
1733                 return;
1734         }
1735
1736         if (cl.num_static_entities < cl.max_static_entities)
1737         {
1738                 int renderflags;
1739                 entity_t *staticent = &cl.static_entities[cl.num_static_entities++];
1740
1741                 // copy it to the current state
1742                 memset(staticent, 0, sizeof(*staticent));
1743                 staticent->render.model = CL_GetModelByIndex((int)PRVM_clientedictfloat(ent, modelindex));
1744                 staticent->render.framegroupblend[0].frame = (int)PRVM_clientedictfloat(ent, frame);
1745                 staticent->render.framegroupblend[0].lerp = 1;
1746                 // make torchs play out of sync
1747                 staticent->render.framegroupblend[0].start = lhrandom(-10, -1);
1748                 staticent->render.skinnum = (int)PRVM_clientedictfloat(ent, skin);
1749                 staticent->render.effects = (int)PRVM_clientedictfloat(ent, effects);
1750                 staticent->render.alpha = PRVM_clientedictfloat(ent, alpha);
1751                 staticent->render.scale = PRVM_clientedictfloat(ent, scale);
1752                 VectorCopy(PRVM_clientedictvector(ent, colormod), staticent->render.colormod);
1753                 VectorCopy(PRVM_clientedictvector(ent, glowmod), staticent->render.glowmod);
1754
1755                 // sanitize values
1756                 if (!staticent->render.alpha)
1757                         staticent->render.alpha = 1.0f;
1758                 if (!staticent->render.scale)
1759                         staticent->render.scale = 1.0f;
1760                 if (!VectorLength2(staticent->render.colormod))
1761                         VectorSet(staticent->render.colormod, 1, 1, 1);
1762                 if (!VectorLength2(staticent->render.glowmod))
1763                         VectorSet(staticent->render.glowmod, 1, 1, 1);
1764
1765                 renderflags = (int)PRVM_clientedictfloat(ent, renderflags);
1766                 if (renderflags & RF_USEAXIS)
1767                 {
1768                         vec3_t left;
1769                         VectorNegate(PRVM_clientglobalvector(v_right), left);
1770                         Matrix4x4_FromVectors(&staticent->render.matrix, PRVM_clientglobalvector(v_forward), left, PRVM_clientglobalvector(v_up), PRVM_clientedictvector(ent, origin));
1771                         Matrix4x4_Scale(&staticent->render.matrix, staticent->render.scale, 1);
1772                 }
1773                 else
1774                         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);
1775
1776                 // either fullbright or lit
1777                 if(!r_fullbright.integer)
1778                 {
1779                         if (!(staticent->render.effects & EF_FULLBRIGHT))
1780                                 staticent->render.flags |= RENDER_LIGHT;
1781                         else if(r_equalize_entities_fullbright.integer)
1782                                 staticent->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1783                 }
1784                 // turn off shadows from transparent objects
1785                 if (!(staticent->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (staticent->render.alpha >= 1))
1786                         staticent->render.flags |= RENDER_SHADOW;
1787                 if (staticent->render.effects & EF_NODEPTHTEST)
1788                         staticent->render.flags |= RENDER_NODEPTHTEST;
1789                 if (staticent->render.effects & EF_ADDITIVE)
1790                         staticent->render.flags |= RENDER_ADDITIVE;
1791                 if (staticent->render.effects & EF_DOUBLESIDED)
1792                         staticent->render.flags |= RENDER_DOUBLESIDED;
1793
1794                 staticent->render.allowdecals = true;
1795                 CL_UpdateRenderEntity(&staticent->render);
1796         }
1797         else
1798                 Con_Printf("Too many static entities");
1799
1800 // throw the entity away now
1801         PRVM_ED_Free(prog, ent);
1802 }
1803
1804 //=================================================================//
1805
1806 /*
1807 =================
1808 VM_CL_copyentity
1809
1810 copies data from one entity to another
1811
1812 copyentity(src, dst)
1813 =================
1814 */
1815 static void VM_CL_copyentity (prvm_prog_t *prog)
1816 {
1817         prvm_edict_t *in, *out;
1818         VM_SAFEPARMCOUNT(2, VM_CL_copyentity);
1819         in = PRVM_G_EDICT(OFS_PARM0);
1820         if (in == prog->edicts)
1821         {
1822                 VM_Warning(prog, "copyentity: can not read world entity\n");
1823                 return;
1824         }
1825         if (in->priv.server->free)
1826         {
1827                 VM_Warning(prog, "copyentity: can not read free entity\n");
1828                 return;
1829         }
1830         out = PRVM_G_EDICT(OFS_PARM1);
1831         if (out == prog->edicts)
1832         {
1833                 VM_Warning(prog, "copyentity: can not modify world entity\n");
1834                 return;
1835         }
1836         if (out->priv.server->free)
1837         {
1838                 VM_Warning(prog, "copyentity: can not modify free entity\n");
1839                 return;
1840         }
1841         memcpy(out->fields.vp, in->fields.vp, prog->entityfields * 4);
1842         CL_LinkEdict(out);
1843 }
1844
1845 //=================================================================//
1846
1847 // #404 void(vector org, string modelname, float startframe, float endframe, float framerate) effect (DP_SV_EFFECT)
1848 static void VM_CL_effect (prvm_prog_t *prog)
1849 {
1850         VM_SAFEPARMCOUNT(5, VM_CL_effect);
1851         CL_Effect(PRVM_G_VECTOR(OFS_PARM0), (int)PRVM_G_FLOAT(OFS_PARM1), (int)PRVM_G_FLOAT(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), PRVM_G_FLOAT(OFS_PARM4));
1852 }
1853
1854 // #405 void(vector org, vector velocity, float howmany) te_blood (DP_TE_BLOOD)
1855 static void VM_CL_te_blood (prvm_prog_t *prog)
1856 {
1857         float   *pos;
1858         vec3_t  pos2;
1859         VM_SAFEPARMCOUNT(3, VM_CL_te_blood);
1860         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1861                 return;
1862         pos = PRVM_G_VECTOR(OFS_PARM0);
1863         CL_FindNonSolidLocation(pos, pos2, 4);
1864         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1865 }
1866
1867 // #406 void(vector mincorner, vector maxcorner, float explosionspeed, float howmany) te_bloodshower (DP_TE_BLOODSHOWER)
1868 static void VM_CL_te_bloodshower (prvm_prog_t *prog)
1869 {
1870         vec_t speed;
1871         vec3_t vel1, vel2;
1872         VM_SAFEPARMCOUNT(4, VM_CL_te_bloodshower);
1873         if (PRVM_G_FLOAT(OFS_PARM3) < 1)
1874                 return;
1875         speed = PRVM_G_FLOAT(OFS_PARM2);
1876         vel1[0] = -speed;
1877         vel1[1] = -speed;
1878         vel1[2] = -speed;
1879         vel2[0] = speed;
1880         vel2[1] = speed;
1881         vel2[2] = speed;
1882         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM3), PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), vel1, vel2, NULL, 0);
1883 }
1884
1885 // #407 void(vector org, vector color) te_explosionrgb (DP_TE_EXPLOSIONRGB)
1886 static void VM_CL_te_explosionrgb (prvm_prog_t *prog)
1887 {
1888         float           *pos;
1889         vec3_t          pos2;
1890         matrix4x4_t     tempmatrix;
1891         VM_SAFEPARMCOUNT(2, VM_CL_te_explosionrgb);
1892         pos = PRVM_G_VECTOR(OFS_PARM0);
1893         CL_FindNonSolidLocation(pos, pos2, 10);
1894         CL_ParticleExplosion(pos2);
1895         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1896         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);
1897 }
1898
1899 // #408 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color, float gravityflag, float randomveljitter) te_particlecube (DP_TE_PARTICLECUBE)
1900 static void VM_CL_te_particlecube (prvm_prog_t *prog)
1901 {
1902         VM_SAFEPARMCOUNT(7, VM_CL_te_particlecube);
1903         CL_ParticleCube(PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), PRVM_G_FLOAT(OFS_PARM5), PRVM_G_FLOAT(OFS_PARM6));
1904 }
1905
1906 // #409 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlerain (DP_TE_PARTICLERAIN)
1907 static void VM_CL_te_particlerain (prvm_prog_t *prog)
1908 {
1909         VM_SAFEPARMCOUNT(5, VM_CL_te_particlerain);
1910         CL_ParticleRain(PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 0);
1911 }
1912
1913 // #410 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlesnow (DP_TE_PARTICLESNOW)
1914 static void VM_CL_te_particlesnow (prvm_prog_t *prog)
1915 {
1916         VM_SAFEPARMCOUNT(5, VM_CL_te_particlesnow);
1917         CL_ParticleRain(PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 1);
1918 }
1919
1920 // #411 void(vector org, vector vel, float howmany) te_spark
1921 static void VM_CL_te_spark (prvm_prog_t *prog)
1922 {
1923         float           *pos;
1924         vec3_t          pos2;
1925         VM_SAFEPARMCOUNT(3, VM_CL_te_spark);
1926
1927         pos = PRVM_G_VECTOR(OFS_PARM0);
1928         CL_FindNonSolidLocation(pos, pos2, 4);
1929         CL_ParticleEffect(EFFECT_TE_SPARK, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1930 }
1931
1932 extern cvar_t cl_sound_ric_gunshot;
1933 // #412 void(vector org) te_gunshotquad (DP_QUADEFFECTS1)
1934 static void VM_CL_te_gunshotquad (prvm_prog_t *prog)
1935 {
1936         float           *pos;
1937         vec3_t          pos2;
1938         int                     rnd;
1939         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshotquad);
1940
1941         pos = PRVM_G_VECTOR(OFS_PARM0);
1942         CL_FindNonSolidLocation(pos, pos2, 4);
1943         CL_ParticleEffect(EFFECT_TE_GUNSHOTQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1944         if(cl_sound_ric_gunshot.integer >= 2)
1945         {
1946                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1947                 else
1948                 {
1949                         rnd = rand() & 3;
1950                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1951                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1952                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1953                 }
1954         }
1955 }
1956
1957 // #413 void(vector org) te_spikequad (DP_QUADEFFECTS1)
1958 static void VM_CL_te_spikequad (prvm_prog_t *prog)
1959 {
1960         float           *pos;
1961         vec3_t          pos2;
1962         int                     rnd;
1963         VM_SAFEPARMCOUNT(1, VM_CL_te_spikequad);
1964
1965         pos = PRVM_G_VECTOR(OFS_PARM0);
1966         CL_FindNonSolidLocation(pos, pos2, 4);
1967         CL_ParticleEffect(EFFECT_TE_SPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1968         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1969         else
1970         {
1971                 rnd = rand() & 3;
1972                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1973                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1974                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1975         }
1976 }
1977
1978 // #414 void(vector org) te_superspikequad (DP_QUADEFFECTS1)
1979 static void VM_CL_te_superspikequad (prvm_prog_t *prog)
1980 {
1981         float           *pos;
1982         vec3_t          pos2;
1983         int                     rnd;
1984         VM_SAFEPARMCOUNT(1, VM_CL_te_superspikequad);
1985
1986         pos = PRVM_G_VECTOR(OFS_PARM0);
1987         CL_FindNonSolidLocation(pos, pos2, 4);
1988         CL_ParticleEffect(EFFECT_TE_SUPERSPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1989         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos, 1, 1);
1990         else
1991         {
1992                 rnd = rand() & 3;
1993                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1994                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1995                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1996         }
1997 }
1998
1999 // #415 void(vector org) te_explosionquad (DP_QUADEFFECTS1)
2000 static void VM_CL_te_explosionquad (prvm_prog_t *prog)
2001 {
2002         float           *pos;
2003         vec3_t          pos2;
2004         VM_SAFEPARMCOUNT(1, VM_CL_te_explosionquad);
2005
2006         pos = PRVM_G_VECTOR(OFS_PARM0);
2007         CL_FindNonSolidLocation(pos, pos2, 10);
2008         CL_ParticleEffect(EFFECT_TE_EXPLOSIONQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2009         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2010 }
2011
2012 // #416 void(vector org) te_smallflash (DP_TE_SMALLFLASH)
2013 static void VM_CL_te_smallflash (prvm_prog_t *prog)
2014 {
2015         float           *pos;
2016         vec3_t          pos2;
2017         VM_SAFEPARMCOUNT(1, VM_CL_te_smallflash);
2018
2019         pos = PRVM_G_VECTOR(OFS_PARM0);
2020         CL_FindNonSolidLocation(pos, pos2, 10);
2021         CL_ParticleEffect(EFFECT_TE_SMALLFLASH, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2022 }
2023
2024 // #417 void(vector org, float radius, float lifetime, vector color) te_customflash (DP_TE_CUSTOMFLASH)
2025 static void VM_CL_te_customflash (prvm_prog_t *prog)
2026 {
2027         float           *pos;
2028         vec3_t          pos2;
2029         matrix4x4_t     tempmatrix;
2030         VM_SAFEPARMCOUNT(4, VM_CL_te_customflash);
2031
2032         pos = PRVM_G_VECTOR(OFS_PARM0);
2033         CL_FindNonSolidLocation(pos, pos2, 4);
2034         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2035         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);
2036 }
2037
2038 // #418 void(vector org) te_gunshot (DP_TE_STANDARDEFFECTBUILTINS)
2039 static void VM_CL_te_gunshot (prvm_prog_t *prog)
2040 {
2041         float           *pos;
2042         vec3_t          pos2;
2043         int                     rnd;
2044         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshot);
2045
2046         pos = PRVM_G_VECTOR(OFS_PARM0);
2047         CL_FindNonSolidLocation(pos, pos2, 4);
2048         CL_ParticleEffect(EFFECT_TE_GUNSHOT, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2049         if(cl_sound_ric_gunshot.integer == 1 || cl_sound_ric_gunshot.integer == 3)
2050         {
2051                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 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
2062 // #419 void(vector org) te_spike (DP_TE_STANDARDEFFECTBUILTINS)
2063 static void VM_CL_te_spike (prvm_prog_t *prog)
2064 {
2065         float           *pos;
2066         vec3_t          pos2;
2067         int                     rnd;
2068         VM_SAFEPARMCOUNT(1, VM_CL_te_spike);
2069
2070         pos = PRVM_G_VECTOR(OFS_PARM0);
2071         CL_FindNonSolidLocation(pos, pos2, 4);
2072         CL_ParticleEffect(EFFECT_TE_SPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2073         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2074         else
2075         {
2076                 rnd = rand() & 3;
2077                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2078                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2079                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2080         }
2081 }
2082
2083 // #420 void(vector org) te_superspike (DP_TE_STANDARDEFFECTBUILTINS)
2084 static void VM_CL_te_superspike (prvm_prog_t *prog)
2085 {
2086         float           *pos;
2087         vec3_t          pos2;
2088         int                     rnd;
2089         VM_SAFEPARMCOUNT(1, VM_CL_te_superspike);
2090
2091         pos = PRVM_G_VECTOR(OFS_PARM0);
2092         CL_FindNonSolidLocation(pos, pos2, 4);
2093         CL_ParticleEffect(EFFECT_TE_SUPERSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2094         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
2095         else
2096         {
2097                 rnd = rand() & 3;
2098                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
2099                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
2100                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
2101         }
2102 }
2103
2104 // #421 void(vector org) te_explosion (DP_TE_STANDARDEFFECTBUILTINS)
2105 static void VM_CL_te_explosion (prvm_prog_t *prog)
2106 {
2107         float           *pos;
2108         vec3_t          pos2;
2109         VM_SAFEPARMCOUNT(1, VM_CL_te_explosion);
2110
2111         pos = PRVM_G_VECTOR(OFS_PARM0);
2112         CL_FindNonSolidLocation(pos, pos2, 10);
2113         CL_ParticleEffect(EFFECT_TE_EXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2114         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2115 }
2116
2117 // #422 void(vector org) te_tarexplosion (DP_TE_STANDARDEFFECTBUILTINS)
2118 static void VM_CL_te_tarexplosion (prvm_prog_t *prog)
2119 {
2120         float           *pos;
2121         vec3_t          pos2;
2122         VM_SAFEPARMCOUNT(1, VM_CL_te_tarexplosion);
2123
2124         pos = PRVM_G_VECTOR(OFS_PARM0);
2125         CL_FindNonSolidLocation(pos, pos2, 10);
2126         CL_ParticleEffect(EFFECT_TE_TAREXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2127         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2128 }
2129
2130 // #423 void(vector org) te_wizspike (DP_TE_STANDARDEFFECTBUILTINS)
2131 static void VM_CL_te_wizspike (prvm_prog_t *prog)
2132 {
2133         float           *pos;
2134         vec3_t          pos2;
2135         VM_SAFEPARMCOUNT(1, VM_CL_te_wizspike);
2136
2137         pos = PRVM_G_VECTOR(OFS_PARM0);
2138         CL_FindNonSolidLocation(pos, pos2, 4);
2139         CL_ParticleEffect(EFFECT_TE_WIZSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2140         S_StartSound(-1, 0, cl.sfx_wizhit, pos2, 1, 1);
2141 }
2142
2143 // #424 void(vector org) te_knightspike (DP_TE_STANDARDEFFECTBUILTINS)
2144 static void VM_CL_te_knightspike (prvm_prog_t *prog)
2145 {
2146         float           *pos;
2147         vec3_t          pos2;
2148         VM_SAFEPARMCOUNT(1, VM_CL_te_knightspike);
2149
2150         pos = PRVM_G_VECTOR(OFS_PARM0);
2151         CL_FindNonSolidLocation(pos, pos2, 4);
2152         CL_ParticleEffect(EFFECT_TE_KNIGHTSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2153         S_StartSound(-1, 0, cl.sfx_knighthit, pos2, 1, 1);
2154 }
2155
2156 // #425 void(vector org) te_lavasplash (DP_TE_STANDARDEFFECTBUILTINS)
2157 static void VM_CL_te_lavasplash (prvm_prog_t *prog)
2158 {
2159         VM_SAFEPARMCOUNT(1, VM_CL_te_lavasplash);
2160         CL_ParticleEffect(EFFECT_TE_LAVASPLASH, 1, PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM0), vec3_origin, vec3_origin, NULL, 0);
2161 }
2162
2163 // #426 void(vector org) te_teleport (DP_TE_STANDARDEFFECTBUILTINS)
2164 static void VM_CL_te_teleport (prvm_prog_t *prog)
2165 {
2166         VM_SAFEPARMCOUNT(1, VM_CL_te_teleport);
2167         CL_ParticleEffect(EFFECT_TE_TELEPORT, 1, PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM0), vec3_origin, vec3_origin, NULL, 0);
2168 }
2169
2170 // #427 void(vector org, float colorstart, float colorlength) te_explosion2 (DP_TE_STANDARDEFFECTBUILTINS)
2171 static void VM_CL_te_explosion2 (prvm_prog_t *prog)
2172 {
2173         float           *pos;
2174         vec3_t          pos2, color;
2175         matrix4x4_t     tempmatrix;
2176         int                     colorStart, colorLength;
2177         unsigned char           *tempcolor;
2178         VM_SAFEPARMCOUNT(3, VM_CL_te_explosion2);
2179
2180         pos = PRVM_G_VECTOR(OFS_PARM0);
2181         colorStart = (int)PRVM_G_FLOAT(OFS_PARM1);
2182         colorLength = (int)PRVM_G_FLOAT(OFS_PARM2);
2183         CL_FindNonSolidLocation(pos, pos2, 10);
2184         CL_ParticleExplosion2(pos2, colorStart, colorLength);
2185         tempcolor = palette_rgb[(rand()%colorLength) + colorStart];
2186         color[0] = tempcolor[0] * (2.0f / 255.0f);
2187         color[1] = tempcolor[1] * (2.0f / 255.0f);
2188         color[2] = tempcolor[2] * (2.0f / 255.0f);
2189         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
2190         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);
2191         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
2192 }
2193
2194
2195 // #428 void(entity own, vector start, vector end) te_lightning1 (DP_TE_STANDARDEFFECTBUILTINS)
2196 static void VM_CL_te_lightning1 (prvm_prog_t *prog)
2197 {
2198         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning1);
2199         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt, true);
2200 }
2201
2202 // #429 void(entity own, vector start, vector end) te_lightning2 (DP_TE_STANDARDEFFECTBUILTINS)
2203 static void VM_CL_te_lightning2 (prvm_prog_t *prog)
2204 {
2205         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning2);
2206         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt2, true);
2207 }
2208
2209 // #430 void(entity own, vector start, vector end) te_lightning3 (DP_TE_STANDARDEFFECTBUILTINS)
2210 static void VM_CL_te_lightning3 (prvm_prog_t *prog)
2211 {
2212         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning3);
2213         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt3, false);
2214 }
2215
2216 // #431 void(entity own, vector start, vector end) te_beam (DP_TE_STANDARDEFFECTBUILTINS)
2217 static void VM_CL_te_beam (prvm_prog_t *prog)
2218 {
2219         VM_SAFEPARMCOUNT(3, VM_CL_te_beam);
2220         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_beam, false);
2221 }
2222
2223 // #433 void(vector org) te_plasmaburn (DP_TE_PLASMABURN)
2224 static void VM_CL_te_plasmaburn (prvm_prog_t *prog)
2225 {
2226         float           *pos;
2227         vec3_t          pos2;
2228         VM_SAFEPARMCOUNT(1, VM_CL_te_plasmaburn);
2229
2230         pos = PRVM_G_VECTOR(OFS_PARM0);
2231         CL_FindNonSolidLocation(pos, pos2, 4);
2232         CL_ParticleEffect(EFFECT_TE_PLASMABURN, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
2233 }
2234
2235 // #457 void(vector org, vector velocity, float howmany) te_flamejet (DP_TE_FLAMEJET)
2236 static void VM_CL_te_flamejet (prvm_prog_t *prog)
2237 {
2238         float *pos;
2239         vec3_t pos2;
2240         VM_SAFEPARMCOUNT(3, VM_CL_te_flamejet);
2241         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
2242                 return;
2243         pos = PRVM_G_VECTOR(OFS_PARM0);
2244         CL_FindNonSolidLocation(pos, pos2, 4);
2245         CL_ParticleEffect(EFFECT_TE_FLAMEJET, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
2246 }
2247
2248
2249 // #443 void(entity e, entity tagentity, string tagname) setattachment
2250 static void VM_CL_setattachment (prvm_prog_t *prog)
2251 {
2252         prvm_edict_t *e;
2253         prvm_edict_t *tagentity;
2254         const char *tagname;
2255         int modelindex;
2256         int tagindex;
2257         dp_model_t *model;
2258         VM_SAFEPARMCOUNT(3, VM_CL_setattachment);
2259
2260         e = PRVM_G_EDICT(OFS_PARM0);
2261         tagentity = PRVM_G_EDICT(OFS_PARM1);
2262         tagname = PRVM_G_STRING(OFS_PARM2);
2263
2264         if (e == prog->edicts)
2265         {
2266                 VM_Warning(prog, "setattachment: can not modify world entity\n");
2267                 return;
2268         }
2269         if (e->priv.server->free)
2270         {
2271                 VM_Warning(prog, "setattachment: can not modify free entity\n");
2272                 return;
2273         }
2274
2275         if (tagentity == NULL)
2276                 tagentity = prog->edicts;
2277
2278         tagindex = 0;
2279         if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
2280         {
2281                 modelindex = (int)PRVM_clientedictfloat(tagentity, modelindex);
2282                 model = CL_GetModelByIndex(modelindex);
2283                 if (model)
2284                 {
2285                         tagindex = Mod_Alias_GetTagIndexForName(model, (int)PRVM_clientedictfloat(tagentity, skin), tagname);
2286                         if (tagindex == 0)
2287                                 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);
2288                 }
2289                 else
2290                         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));
2291         }
2292
2293         PRVM_clientedictedict(e, tag_entity) = PRVM_EDICT_TO_PROG(tagentity);
2294         PRVM_clientedictfloat(e, tag_index) = tagindex;
2295 }
2296
2297 /////////////////////////////////////////
2298 // DP_MD3_TAGINFO extension coded by VorteX
2299
2300 static int CL_GetTagIndex (prvm_prog_t *prog, prvm_edict_t *e, const char *tagname)
2301 {
2302         dp_model_t *model = CL_GetModelFromEdict(e);
2303         if (model)
2304                 return Mod_Alias_GetTagIndexForName(model, (int)PRVM_clientedictfloat(e, skin), tagname);
2305         else
2306                 return -1;
2307 }
2308
2309 static int CL_GetExtendedTagInfo (prvm_prog_t *prog, prvm_edict_t *e, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix)
2310 {
2311         int r;
2312         dp_model_t *model;
2313
2314         *tagname = NULL;
2315         *parentindex = 0;
2316         Matrix4x4_CreateIdentity(tag_localmatrix);
2317
2318         if (tagindex >= 0
2319          && (model = CL_GetModelFromEdict(e))
2320          && model->animscenes)
2321         {
2322                 r = Mod_Alias_GetExtendedTagInfoForIndex(model, (int)PRVM_clientedictfloat(e, skin), e->priv.server->frameblend, &e->priv.server->skeleton, tagindex - 1, parentindex, tagname, tag_localmatrix);
2323
2324                 if(!r) // success?
2325                         *parentindex += 1;
2326
2327                 return r;
2328         }
2329
2330         return 1;
2331 }
2332
2333 int CL_GetPitchSign(prvm_prog_t *prog, prvm_edict_t *ent)
2334 {
2335         dp_model_t *model;
2336         if ((model = CL_GetModelFromEdict(ent)) && model->type == mod_alias)
2337                 return -1;
2338         return 1;
2339 }
2340
2341 void CL_GetEntityMatrix (prvm_prog_t *prog, prvm_edict_t *ent, matrix4x4_t *out, qboolean viewmatrix)
2342 {
2343         float scale;
2344         float pitchsign = 1;
2345
2346         scale = PRVM_clientedictfloat(ent, scale);
2347         if (!scale)
2348                 scale = 1.0f;
2349
2350         if(viewmatrix)
2351                 *out = r_refdef.view.matrix;
2352         else if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_USEAXIS)
2353         {
2354                 vec3_t forward;
2355                 vec3_t left;
2356                 vec3_t up;
2357                 vec3_t origin;
2358                 VectorScale(PRVM_clientglobalvector(v_forward), scale, forward);
2359                 VectorScale(PRVM_clientglobalvector(v_right), -scale, left);
2360                 VectorScale(PRVM_clientglobalvector(v_up), scale, up);
2361                 VectorCopy(PRVM_clientedictvector(ent, origin), origin);
2362                 Matrix4x4_FromVectors(out, forward, left, up, origin);
2363         }
2364         else
2365         {
2366                 pitchsign = CL_GetPitchSign(prog, ent);
2367                 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);
2368         }
2369 }
2370
2371 static int CL_GetEntityLocalTagMatrix(prvm_prog_t *prog, prvm_edict_t *ent, int tagindex, matrix4x4_t *out)
2372 {
2373         dp_model_t *model;
2374         if (tagindex >= 0
2375          && (model = CL_GetModelFromEdict(ent))
2376          && model->animscenes)
2377         {
2378                 VM_GenerateFrameGroupBlend(prog, ent->priv.server->framegroupblend, ent);
2379                 VM_FrameBlendFromFrameGroupBlend(ent->priv.server->frameblend, ent->priv.server->framegroupblend, model);
2380                 VM_UpdateEdictSkeleton(prog, ent, model, ent->priv.server->frameblend);
2381                 return Mod_Alias_GetTagMatrix(model, ent->priv.server->frameblend, &ent->priv.server->skeleton, tagindex, out);
2382         }
2383         *out = identitymatrix;
2384         return 0;
2385 }
2386
2387 // Warnings/errors code:
2388 // 0 - normal (everything all-right)
2389 // 1 - world entity
2390 // 2 - free entity
2391 // 3 - null or non-precached model
2392 // 4 - no tags with requested index
2393 // 5 - runaway loop at attachment chain
2394 extern cvar_t cl_bob;
2395 extern cvar_t cl_bobcycle;
2396 extern cvar_t cl_bobup;
2397 int CL_GetTagMatrix (prvm_prog_t *prog, matrix4x4_t *out, prvm_edict_t *ent, int tagindex)
2398 {
2399         int ret;
2400         int attachloop;
2401         matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
2402         dp_model_t *model;
2403
2404         *out = identitymatrix; // warnings and errors return identical matrix
2405
2406         if (ent == prog->edicts)
2407                 return 1;
2408         if (ent->priv.server->free)
2409                 return 2;
2410
2411         model = CL_GetModelFromEdict(ent);
2412         if(!model)
2413                 return 3;
2414
2415         tagmatrix = identitymatrix;
2416         attachloop = 0;
2417         for(;;)
2418         {
2419                 if(attachloop >= 256)
2420                         return 5;
2421                 // apply transformation by child's tagindex on parent entity and then
2422                 // by parent entity itself
2423                 ret = CL_GetEntityLocalTagMatrix(prog, ent, tagindex - 1, &attachmatrix);
2424                 if(ret && attachloop == 0)
2425                         return ret;
2426                 CL_GetEntityMatrix(prog, ent, &entitymatrix, false);
2427                 Matrix4x4_Concat(&tagmatrix, &attachmatrix, out);
2428                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2429                 // next iteration we process the parent entity
2430                 if (PRVM_clientedictedict(ent, tag_entity))
2431                 {
2432                         tagindex = (int)PRVM_clientedictfloat(ent, tag_index);
2433                         ent = PRVM_EDICT_NUM(PRVM_clientedictedict(ent, tag_entity));
2434                 }
2435                 else
2436                         break;
2437                 attachloop++;
2438         }
2439
2440         // RENDER_VIEWMODEL magic
2441         if ((int)PRVM_clientedictfloat(ent, renderflags) & RF_VIEWMODEL)
2442         {
2443                 Matrix4x4_Copy(&tagmatrix, out);
2444
2445                 CL_GetEntityMatrix(prog, prog->edicts, &entitymatrix, true);
2446                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2447
2448                 /*
2449                 // Cl_bob, ported from rendering code
2450                 if (PRVM_clientedictfloat(ent, health) > 0 && cl_bob.value && cl_bobcycle.value)
2451                 {
2452                         double bob, cycle;
2453                         // LordHavoc: this code is *weird*, but not replacable (I think it
2454                         // should be done in QC on the server, but oh well, quake is quake)
2455                         // LordHavoc: figured out bobup: the time at which the sin is at 180
2456                         // degrees (which allows lengthening or squishing the peak or valley)
2457                         cycle = cl.time/cl_bobcycle.value;
2458                         cycle -= (int)cycle;
2459                         if (cycle < cl_bobup.value)
2460                                 cycle = sin(M_PI * cycle / cl_bobup.value);
2461                         else
2462                                 cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
2463                         // bob is proportional to velocity in the xy plane
2464                         // (don't count Z, or jumping messes it up)
2465                         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;
2466                         bob = bob*0.3 + bob*0.7*cycle;
2467                         Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
2468                 }
2469                 */
2470         }
2471         return 0;
2472 }
2473
2474 // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
2475 static void VM_CL_gettagindex (prvm_prog_t *prog)
2476 {
2477         prvm_edict_t *ent;
2478         const char *tag_name;
2479         int tag_index;
2480
2481         VM_SAFEPARMCOUNT(2, VM_CL_gettagindex);
2482
2483         ent = PRVM_G_EDICT(OFS_PARM0);
2484         tag_name = PRVM_G_STRING(OFS_PARM1);
2485         if (ent == prog->edicts)
2486         {
2487                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect world entity\n", PRVM_NUM_FOR_EDICT(ent));
2488                 return;
2489         }
2490         if (ent->priv.server->free)
2491         {
2492                 VM_Warning(prog, "VM_CL_gettagindex(entity #%i): can't affect free entity\n", PRVM_NUM_FOR_EDICT(ent));
2493                 return;
2494         }
2495
2496         tag_index = 0;
2497         if (!CL_GetModelFromEdict(ent))
2498                 Con_DPrintf("VM_CL_gettagindex(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(ent));
2499         else
2500         {
2501                 tag_index = CL_GetTagIndex(prog, ent, tag_name);
2502                 if (tag_index == 0)
2503                         Con_DPrintf("VM_CL_gettagindex(entity #%i): tag \"%s\" not found\n", PRVM_NUM_FOR_EDICT(ent), tag_name);
2504         }
2505         PRVM_G_FLOAT(OFS_RETURN) = tag_index;
2506 }
2507
2508 // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
2509 static void VM_CL_gettaginfo (prvm_prog_t *prog)
2510 {
2511         prvm_edict_t *e;
2512         int tagindex;
2513         matrix4x4_t tag_matrix;
2514         matrix4x4_t tag_localmatrix;
2515         int parentindex;
2516         const char *tagname;
2517         int returncode;
2518         vec3_t fo, le, up, trans;
2519         const dp_model_t *model;
2520
2521         VM_SAFEPARMCOUNT(2, VM_CL_gettaginfo);
2522
2523         e = PRVM_G_EDICT(OFS_PARM0);
2524         tagindex = (int)PRVM_G_FLOAT(OFS_PARM1);
2525         returncode = CL_GetTagMatrix(prog, &tag_matrix, e, tagindex);
2526         Matrix4x4_ToVectors(&tag_matrix, PRVM_clientglobalvector(v_forward), le, PRVM_clientglobalvector(v_up), PRVM_G_VECTOR(OFS_RETURN));
2527         VectorScale(le, -1, PRVM_clientglobalvector(v_right));
2528         model = CL_GetModelFromEdict(e);
2529         VM_GenerateFrameGroupBlend(prog, e->priv.server->framegroupblend, e);
2530         VM_FrameBlendFromFrameGroupBlend(e->priv.server->frameblend, e->priv.server->framegroupblend, model);
2531         VM_UpdateEdictSkeleton(prog, e, model, e->priv.server->frameblend);
2532         CL_GetExtendedTagInfo(prog, e, tagindex, &parentindex, &tagname, &tag_localmatrix);
2533         Matrix4x4_ToVectors(&tag_localmatrix, fo, le, up, trans);
2534
2535         PRVM_clientglobalfloat(gettaginfo_parent) = parentindex;
2536         PRVM_clientglobalstring(gettaginfo_name) = tagname ? PRVM_SetTempString(prog, tagname) : 0;
2537         VectorCopy(trans, PRVM_clientglobalvector(gettaginfo_offset));
2538         VectorCopy(fo, PRVM_clientglobalvector(gettaginfo_forward));
2539         VectorScale(le, -1, PRVM_clientglobalvector(gettaginfo_right));
2540         VectorCopy(up, PRVM_clientglobalvector(gettaginfo_up));
2541
2542         switch(returncode)
2543         {
2544                 case 1:
2545                         VM_Warning(prog, "gettagindex: can't affect world entity\n");
2546                         break;
2547                 case 2:
2548                         VM_Warning(prog, "gettagindex: can't affect free entity\n");
2549                         break;
2550                 case 3:
2551                         Con_DPrintf("CL_GetTagMatrix(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(e));
2552                         break;
2553                 case 4:
2554                         Con_DPrintf("CL_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", PRVM_NUM_FOR_EDICT(e), tagindex);
2555                         break;
2556                 case 5:
2557                         Con_DPrintf("CL_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", PRVM_NUM_FOR_EDICT(e));
2558                         break;
2559         }
2560 }
2561
2562 //============================================================================
2563
2564 //====================
2565 // DP_CSQC_SPAWNPARTICLE
2566 // a QC hook to engine's CL_NewParticle
2567 //====================
2568
2569 // particle theme struct
2570 typedef struct vmparticletheme_s
2571 {
2572         unsigned short typeindex;
2573         qboolean initialized;
2574         pblend_t blendmode;
2575         porientation_t orientation;
2576         int color1;
2577         int color2;
2578         int tex;
2579         float size;
2580         float sizeincrease;
2581         float alpha;
2582         float alphafade;
2583         float gravity;
2584         float bounce;
2585         float airfriction;
2586         float liquidfriction;
2587         float originjitter;
2588         float velocityjitter;
2589         qboolean qualityreduction;
2590         float lifetime;
2591         float stretch;
2592         int staincolor1;
2593         int staincolor2;
2594         int staintex;
2595         float stainalpha;
2596         float stainsize;
2597         float delayspawn;
2598         float delaycollision;
2599         float angle;
2600         float spin;
2601 }vmparticletheme_t;
2602
2603 // particle spawner
2604 typedef struct vmparticlespawner_s
2605 {
2606         mempool_t                       *pool;
2607         qboolean                        initialized;
2608         qboolean                        verified;
2609         vmparticletheme_t       *themes;
2610         int                                     max_themes;
2611         // global addresses
2612         float *particle_type;
2613         float *particle_blendmode; 
2614         float *particle_orientation;
2615         float *particle_color1;
2616         float *particle_color2;
2617         float *particle_tex;
2618         float *particle_size;
2619         float *particle_sizeincrease;
2620         float *particle_alpha;
2621         float *particle_alphafade;
2622         float *particle_time;
2623         float *particle_gravity;
2624         float *particle_bounce;
2625         float *particle_airfriction;
2626         float *particle_liquidfriction;
2627         float *particle_originjitter;
2628         float *particle_velocityjitter;
2629         float *particle_qualityreduction;
2630         float *particle_stretch;
2631         float *particle_staincolor1;
2632         float *particle_staincolor2;
2633         float *particle_stainalpha;
2634         float *particle_stainsize;
2635         float *particle_staintex;
2636         float *particle_delayspawn;
2637         float *particle_delaycollision;
2638         float *particle_angle;
2639         float *particle_spin;
2640 }vmparticlespawner_t;
2641
2642 vmparticlespawner_t vmpartspawner;
2643
2644 // TODO: automatic max_themes grow
2645 static void VM_InitParticleSpawner (prvm_prog_t *prog, int maxthemes)
2646 {
2647         // bound max themes to not be an insane value
2648         if (maxthemes < 4)
2649                 maxthemes = 4;
2650         if (maxthemes > 2048)
2651                 maxthemes = 2048;
2652         // allocate and set up structure
2653         if (vmpartspawner.initialized) // reallocate
2654         {
2655                 Mem_FreePool(&vmpartspawner.pool);
2656                 memset(&vmpartspawner, 0, sizeof(vmparticlespawner_t));
2657         }
2658         vmpartspawner.pool = Mem_AllocPool("VMPARTICLESPAWNER", 0, NULL);
2659         vmpartspawner.themes = (vmparticletheme_t *)Mem_Alloc(vmpartspawner.pool, sizeof(vmparticletheme_t)*maxthemes);
2660         vmpartspawner.max_themes = maxthemes;
2661         vmpartspawner.initialized = true;
2662         vmpartspawner.verified = true;
2663         // get field addresses for fast querying (we can do 1000 calls of spawnparticle in a frame)
2664         vmpartspawner.particle_type = &PRVM_clientglobalfloat(particle_type);
2665         vmpartspawner.particle_blendmode = &PRVM_clientglobalfloat(particle_blendmode);
2666         vmpartspawner.particle_orientation = &PRVM_clientglobalfloat(particle_orientation);
2667         vmpartspawner.particle_color1 = PRVM_clientglobalvector(particle_color1);
2668         vmpartspawner.particle_color2 = PRVM_clientglobalvector(particle_color2);
2669         vmpartspawner.particle_tex = &PRVM_clientglobalfloat(particle_tex);
2670         vmpartspawner.particle_size = &PRVM_clientglobalfloat(particle_size);
2671         vmpartspawner.particle_sizeincrease = &PRVM_clientglobalfloat(particle_sizeincrease);
2672         vmpartspawner.particle_alpha = &PRVM_clientglobalfloat(particle_alpha);
2673         vmpartspawner.particle_alphafade = &PRVM_clientglobalfloat(particle_alphafade);
2674         vmpartspawner.particle_time = &PRVM_clientglobalfloat(particle_time);
2675         vmpartspawner.particle_gravity = &PRVM_clientglobalfloat(particle_gravity);
2676         vmpartspawner.particle_bounce = &PRVM_clientglobalfloat(particle_bounce);
2677         vmpartspawner.particle_airfriction = &PRVM_clientglobalfloat(particle_airfriction);
2678         vmpartspawner.particle_liquidfriction = &PRVM_clientglobalfloat(particle_liquidfriction);
2679         vmpartspawner.particle_originjitter = &PRVM_clientglobalfloat(particle_originjitter);
2680         vmpartspawner.particle_velocityjitter = &PRVM_clientglobalfloat(particle_velocityjitter);
2681         vmpartspawner.particle_qualityreduction = &PRVM_clientglobalfloat(particle_qualityreduction);
2682         vmpartspawner.particle_stretch = &PRVM_clientglobalfloat(particle_stretch);
2683         vmpartspawner.particle_staincolor1 = PRVM_clientglobalvector(particle_staincolor1);
2684         vmpartspawner.particle_staincolor2 = PRVM_clientglobalvector(particle_staincolor2);
2685         vmpartspawner.particle_stainalpha = &PRVM_clientglobalfloat(particle_stainalpha);
2686         vmpartspawner.particle_stainsize = &PRVM_clientglobalfloat(particle_stainsize);
2687         vmpartspawner.particle_staintex = &PRVM_clientglobalfloat(particle_staintex);
2688         vmpartspawner.particle_staintex = &PRVM_clientglobalfloat(particle_staintex);
2689         vmpartspawner.particle_delayspawn = &PRVM_clientglobalfloat(particle_delayspawn);
2690         vmpartspawner.particle_delaycollision = &PRVM_clientglobalfloat(particle_delaycollision);
2691         vmpartspawner.particle_angle = &PRVM_clientglobalfloat(particle_angle);
2692         vmpartspawner.particle_spin = &PRVM_clientglobalfloat(particle_spin);
2693         #undef getglobal
2694         #undef getglobalvector
2695 }
2696
2697 // reset particle theme to default values
2698 static void VM_ResetParticleTheme (vmparticletheme_t *theme)
2699 {
2700         theme->initialized = true;
2701         theme->typeindex = pt_static;
2702         theme->blendmode = PBLEND_ADD;
2703         theme->orientation = PARTICLE_BILLBOARD;
2704         theme->color1 = 0x808080;
2705         theme->color2 = 0xFFFFFF;
2706         theme->tex = 63;
2707         theme->size = 2;
2708         theme->sizeincrease = 0;
2709         theme->alpha = 256;
2710         theme->alphafade = 512;
2711         theme->gravity = 0.0f;
2712         theme->bounce = 0.0f;
2713         theme->airfriction = 1.0f;
2714         theme->liquidfriction = 4.0f;
2715         theme->originjitter = 0.0f;
2716         theme->velocityjitter = 0.0f;
2717         theme->qualityreduction = false;
2718         theme->lifetime = 4;
2719         theme->stretch = 1;
2720         theme->staincolor1 = -1;
2721         theme->staincolor2 = -1;
2722         theme->staintex = -1;
2723         theme->delayspawn = 0.0f;
2724         theme->delaycollision = 0.0f;
2725         theme->angle = 0.0f;
2726         theme->spin = 0.0f;
2727 }
2728
2729 // particle theme -> QC globals
2730 static void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme)
2731 {
2732         *vmpartspawner.particle_type = theme->typeindex;
2733         *vmpartspawner.particle_blendmode = theme->blendmode;
2734         *vmpartspawner.particle_orientation = theme->orientation;
2735         vmpartspawner.particle_color1[0] = (theme->color1 >> 16) & 0xFF; // VorteX: int only can store 0-255, not 0-256 which means 0 - 0,99609375...
2736         vmpartspawner.particle_color1[1] = (theme->color1 >> 8) & 0xFF;
2737         vmpartspawner.particle_color1[2] = (theme->color1 >> 0) & 0xFF;
2738         vmpartspawner.particle_color2[0] = (theme->color2 >> 16) & 0xFF;
2739         vmpartspawner.particle_color2[1] = (theme->color2 >> 8) & 0xFF;
2740         vmpartspawner.particle_color2[2] = (theme->color2 >> 0) & 0xFF;
2741         *vmpartspawner.particle_tex = (float)theme->tex;
2742         *vmpartspawner.particle_size = theme->size;
2743         *vmpartspawner.particle_sizeincrease = theme->sizeincrease;
2744         *vmpartspawner.particle_alpha = theme->alpha/256;
2745         *vmpartspawner.particle_alphafade = theme->alphafade/256;
2746         *vmpartspawner.particle_time = theme->lifetime;
2747         *vmpartspawner.particle_gravity = theme->gravity;
2748         *vmpartspawner.particle_bounce = theme->bounce;
2749         *vmpartspawner.particle_airfriction = theme->airfriction;
2750         *vmpartspawner.particle_liquidfriction = theme->liquidfriction;
2751         *vmpartspawner.particle_originjitter = theme->originjitter;
2752         *vmpartspawner.particle_velocityjitter = theme->velocityjitter;
2753         *vmpartspawner.particle_qualityreduction = theme->qualityreduction;
2754         *vmpartspawner.particle_stretch = theme->stretch;
2755         vmpartspawner.particle_staincolor1[0] = ((int)theme->staincolor1 >> 16) & 0xFF;
2756         vmpartspawner.particle_staincolor1[1] = ((int)theme->staincolor1 >> 8) & 0xFF;
2757         vmpartspawner.particle_staincolor1[2] = ((int)theme->staincolor1 >> 0) & 0xFF;
2758         vmpartspawner.particle_staincolor2[0] = ((int)theme->staincolor2 >> 16) & 0xFF;
2759         vmpartspawner.particle_staincolor2[1] = ((int)theme->staincolor2 >> 8) & 0xFF;
2760         vmpartspawner.particle_staincolor2[2] = ((int)theme->staincolor2 >> 0) & 0xFF;
2761         *vmpartspawner.particle_staintex = (float)theme->staintex;
2762         *vmpartspawner.particle_stainalpha = (float)theme->stainalpha/256;
2763         *vmpartspawner.particle_stainsize = (float)theme->stainsize;
2764         *vmpartspawner.particle_delayspawn = theme->delayspawn;
2765         *vmpartspawner.particle_delaycollision = theme->delaycollision;
2766         *vmpartspawner.particle_angle = theme->angle;
2767         *vmpartspawner.particle_spin = theme->spin;
2768 }
2769
2770 // QC globals ->  particle theme
2771 static void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme)
2772 {
2773         theme->typeindex = (unsigned short)*vmpartspawner.particle_type;
2774         theme->blendmode = (pblend_t)(int)*vmpartspawner.particle_blendmode;
2775         theme->orientation = (porientation_t)(int)*vmpartspawner.particle_orientation;
2776         theme->color1 = ((int)vmpartspawner.particle_color1[0] << 16) + ((int)vmpartspawner.particle_color1[1] << 8) + ((int)vmpartspawner.particle_color1[2]);
2777         theme->color2 = ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]);
2778         theme->tex = (int)*vmpartspawner.particle_tex;
2779         theme->size = *vmpartspawner.particle_size;
2780         theme->sizeincrease = *vmpartspawner.particle_sizeincrease;
2781         theme->alpha = *vmpartspawner.particle_alpha*256;
2782         theme->alphafade = *vmpartspawner.particle_alphafade*256;
2783         theme->lifetime = *vmpartspawner.particle_time;
2784         theme->gravity = *vmpartspawner.particle_gravity;
2785         theme->bounce = *vmpartspawner.particle_bounce;
2786         theme->airfriction = *vmpartspawner.particle_airfriction;
2787         theme->liquidfriction = *vmpartspawner.particle_liquidfriction;
2788         theme->originjitter = *vmpartspawner.particle_originjitter;
2789         theme->velocityjitter = *vmpartspawner.particle_velocityjitter;
2790         theme->qualityreduction = (*vmpartspawner.particle_qualityreduction) ? true : false;
2791         theme->stretch = *vmpartspawner.particle_stretch;
2792         theme->staincolor1 = ((int)vmpartspawner.particle_staincolor1[0])*65536 + (int)(vmpartspawner.particle_staincolor1[1])*256 + (int)(vmpartspawner.particle_staincolor1[2]);
2793         theme->staincolor2 = (int)(vmpartspawner.particle_staincolor2[0])*65536 + (int)(vmpartspawner.particle_staincolor2[1])*256 + (int)(vmpartspawner.particle_staincolor2[2]);
2794         theme->staintex =(int)*vmpartspawner.particle_staintex;
2795         theme->stainalpha = *vmpartspawner.particle_stainalpha*256;
2796         theme->stainsize = *vmpartspawner.particle_stainsize;
2797         theme->delayspawn = *vmpartspawner.particle_delayspawn;
2798         theme->delaycollision = *vmpartspawner.particle_delaycollision;
2799         theme->angle = *vmpartspawner.particle_angle;
2800         theme->spin = *vmpartspawner.particle_spin;
2801 }
2802
2803 // init particle spawner interface
2804 // # float(float max_themes) initparticlespawner
2805 static void VM_CL_InitParticleSpawner (prvm_prog_t *prog)
2806 {
2807         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_InitParticleSpawner);
2808         VM_InitParticleSpawner(prog, (int)PRVM_G_FLOAT(OFS_PARM0));
2809         vmpartspawner.themes[0].initialized = true;
2810         VM_ResetParticleTheme(&vmpartspawner.themes[0]);
2811         PRVM_G_FLOAT(OFS_RETURN) = (vmpartspawner.verified == true) ? 1 : 0;
2812 }
2813
2814 // void() resetparticle
2815 static void VM_CL_ResetParticle (prvm_prog_t *prog)
2816 {
2817         VM_SAFEPARMCOUNT(0, VM_CL_ResetParticle);
2818         if (vmpartspawner.verified == false)
2819         {
2820                 VM_Warning(prog, "VM_CL_ResetParticle: particle spawner not initialized\n");
2821                 return;
2822         }
2823         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2824 }
2825
2826 // void(float themenum) particletheme
2827 static void VM_CL_ParticleTheme (prvm_prog_t *prog)
2828 {
2829         int themenum;
2830
2831         VM_SAFEPARMCOUNT(1, VM_CL_ParticleTheme);
2832         if (vmpartspawner.verified == false)
2833         {
2834                 VM_Warning(prog, "VM_CL_ParticleTheme: particle spawner not initialized\n");
2835                 return;
2836         }
2837         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2838         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2839         {
2840                 VM_Warning(prog, "VM_CL_ParticleTheme: bad theme number %i\n", themenum);
2841                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2842                 return;
2843         }
2844         if (vmpartspawner.themes[themenum].initialized == false)
2845         {
2846                 VM_Warning(prog, "VM_CL_ParticleTheme: theme #%i not exists\n", themenum);
2847                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2848                 return;
2849         }
2850         // load particle theme into globals
2851         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[themenum]);
2852 }
2853
2854 // float() saveparticletheme
2855 // void(float themenum) updateparticletheme
2856 static void VM_CL_ParticleThemeSave (prvm_prog_t *prog)
2857 {
2858         int themenum;
2859
2860         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_ParticleThemeSave);
2861         if (vmpartspawner.verified == false)
2862         {
2863                 VM_Warning(prog, "VM_CL_ParticleThemeSave: particle spawner not initialized\n");
2864                 return;
2865         }
2866         // allocate new theme, save it and return
2867         if (prog->argc < 1)
2868         {
2869                 for (themenum = 0; themenum < vmpartspawner.max_themes; themenum++)
2870                         if (vmpartspawner.themes[themenum].initialized == false)
2871                                 break;
2872                 if (themenum >= vmpartspawner.max_themes)
2873                 {
2874                         if (vmpartspawner.max_themes == 2048)
2875                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots\n");
2876                         else
2877                                 VM_Warning(prog, "VM_CL_ParticleThemeSave: no free theme slots, try initparticlespawner() with highter max_themes\n");
2878                         PRVM_G_FLOAT(OFS_RETURN) = -1;
2879                         return;
2880                 }
2881                 vmpartspawner.themes[themenum].initialized = true;
2882                 VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum]);
2883                 PRVM_G_FLOAT(OFS_RETURN) = themenum;
2884                 return;
2885         }
2886         // update existing theme
2887         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2888         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2889         {
2890                 VM_Warning(prog, "VM_CL_ParticleThemeSave: bad theme number %i\n", themenum);
2891                 return;
2892         }
2893         vmpartspawner.themes[themenum].initialized = true;
2894         VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum]);
2895 }
2896
2897 // void(float themenum) freeparticletheme
2898 static void VM_CL_ParticleThemeFree (prvm_prog_t *prog)
2899 {
2900         int themenum;
2901
2902         VM_SAFEPARMCOUNT(1, VM_CL_ParticleThemeFree);
2903         if (vmpartspawner.verified == false)
2904         {
2905                 VM_Warning(prog, "VM_CL_ParticleThemeFree: particle spawner not initialized\n");
2906                 return;
2907         }
2908         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2909         // check parms
2910         if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2911         {
2912                 VM_Warning(prog, "VM_CL_ParticleThemeFree: bad theme number %i\n", themenum);
2913                 return;
2914         }
2915         if (vmpartspawner.themes[themenum].initialized == false)
2916         {
2917                 VM_Warning(prog, "VM_CL_ParticleThemeFree: theme #%i already freed\n", themenum);
2918                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2919                 return;
2920         }
2921         // free theme
2922         VM_ResetParticleTheme(&vmpartspawner.themes[themenum]);
2923         vmpartspawner.themes[themenum].initialized = false;
2924 }
2925
2926 // float(vector org, vector dir, [float theme]) particle
2927 // returns 0 if failed, 1 if succesful
2928 static void VM_CL_SpawnParticle (prvm_prog_t *prog)
2929 {
2930         float *org, *dir;
2931         vmparticletheme_t *theme;
2932         particle_t *part;
2933         int themenum;
2934
2935         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_SpawnParticle2);
2936         if (vmpartspawner.verified == false)
2937         {
2938                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
2939                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2940                 return;
2941         }
2942         org = PRVM_G_VECTOR(OFS_PARM0);
2943         dir = PRVM_G_VECTOR(OFS_PARM1);
2944         
2945         if (prog->argc < 3) // global-set particle
2946         {
2947                 part = CL_NewParticle(org, (unsigned short)*vmpartspawner.particle_type, ((int)(vmpartspawner.particle_color1[0]) << 16) + ((int)(vmpartspawner.particle_color1[1]) << 8) + ((int)(vmpartspawner.particle_color1[2])), ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]), (int)*vmpartspawner.particle_tex, *vmpartspawner.particle_size, *vmpartspawner.particle_sizeincrease, *vmpartspawner.particle_alpha*256, *vmpartspawner.particle_alphafade*256, *vmpartspawner.particle_gravity, *vmpartspawner.particle_bounce, org[0], org[1], org[2], dir[0], dir[1], dir[2], *vmpartspawner.particle_airfriction, *vmpartspawner.particle_liquidfriction, *vmpartspawner.particle_originjitter, *vmpartspawner.particle_velocityjitter, (*vmpartspawner.particle_qualityreduction) ? true : false, *vmpartspawner.particle_time, *vmpartspawner.particle_stretch, (pblend_t)(int)*vmpartspawner.particle_blendmode, (porientation_t)(int)*vmpartspawner.particle_orientation, (int)(vmpartspawner.particle_staincolor1[0])*65536 + (int)(vmpartspawner.particle_staincolor1[1])*256 + (int)(vmpartspawner.particle_staincolor1[2]), (int)(vmpartspawner.particle_staincolor2[0])*65536 + (int)(vmpartspawner.particle_staincolor2[1])*256 + (int)(vmpartspawner.particle_staincolor2[2]), (int)*vmpartspawner.particle_staintex, *vmpartspawner.particle_stainalpha*256, *vmpartspawner.particle_stainsize, *vmpartspawner.particle_angle, *vmpartspawner.particle_spin, NULL);
2948                 if (!part)
2949                 {
2950                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2951                         return;
2952                 }
2953                 if (*vmpartspawner.particle_delayspawn)
2954                         part->delayedspawn = cl.time + *vmpartspawner.particle_delayspawn;
2955                 //if (*vmpartspawner.particle_delaycollision)
2956                 //      part->delayedcollisions = cl.time + *vmpartspawner.particle_delaycollision;
2957         }
2958         else // quick themed particle
2959         {
2960                 themenum = (int)PRVM_G_FLOAT(OFS_PARM2);
2961                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2962                 {
2963                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2964                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2965                         return;
2966                 }
2967                 theme = &vmpartspawner.themes[themenum];
2968                 part = CL_NewParticle(org, theme->typeindex, theme->color1, theme->color2, theme->tex, theme->size, theme->sizeincrease, theme->alpha, theme->alphafade, theme->gravity, theme->bounce, org[0], org[1], org[2], dir[0], dir[1], dir[2], theme->airfriction, theme->liquidfriction, theme->originjitter, theme->velocityjitter, theme->qualityreduction, theme->lifetime, theme->stretch, theme->blendmode, theme->orientation, theme->staincolor1, theme->staincolor2, theme->staintex, theme->stainalpha, theme->stainsize, theme->angle, theme->spin, NULL);
2969                 if (!part)
2970                 {
2971                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2972                         return;
2973                 }
2974                 if (theme->delayspawn)
2975                         part->delayedspawn = cl.time + theme->delayspawn;
2976                 //if (theme->delaycollision)
2977                 //      part->delayedcollisions = cl.time + theme->delaycollision;
2978         }
2979         PRVM_G_FLOAT(OFS_RETURN) = 1; 
2980 }
2981
2982 // float(vector org, vector dir, float spawndelay, float collisiondelay, [float theme]) delayedparticle
2983 // returns 0 if failed, 1 if success
2984 static void VM_CL_SpawnParticleDelayed (prvm_prog_t *prog)
2985 {
2986         float *org, *dir;
2987         vmparticletheme_t *theme;
2988         particle_t *part;
2989         int themenum;
2990
2991         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_SpawnParticle2);
2992         if (vmpartspawner.verified == false)
2993         {
2994                 VM_Warning(prog, "VM_CL_SpawnParticle: particle spawner not initialized\n");
2995                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2996                 return;
2997         }
2998         org = PRVM_G_VECTOR(OFS_PARM0);
2999         dir = PRVM_G_VECTOR(OFS_PARM1);
3000         if (prog->argc < 5) // global-set particle
3001                 part = CL_NewParticle(org, (unsigned short)*vmpartspawner.particle_type, ((int)vmpartspawner.particle_color1[0] << 16) + ((int)vmpartspawner.particle_color1[1] << 8) + ((int)vmpartspawner.particle_color1[2]), ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]), (int)*vmpartspawner.particle_tex, *vmpartspawner.particle_size, *vmpartspawner.particle_sizeincrease, *vmpartspawner.particle_alpha*256, *vmpartspawner.particle_alphafade*256, *vmpartspawner.particle_gravity, *vmpartspawner.particle_bounce, org[0], org[1], org[2], dir[0], dir[1], dir[2], *vmpartspawner.particle_airfriction, *vmpartspawner.particle_liquidfriction, *vmpartspawner.particle_originjitter, *vmpartspawner.particle_velocityjitter, (*vmpartspawner.particle_qualityreduction) ? true : false, *vmpartspawner.particle_time, *vmpartspawner.particle_stretch, (pblend_t)(int)*vmpartspawner.particle_blendmode, (porientation_t)(int)*vmpartspawner.particle_orientation, ((int)vmpartspawner.particle_staincolor1[0] << 16) + ((int)vmpartspawner.particle_staincolor1[1] << 8) + ((int)vmpartspawner.particle_staincolor1[2]), ((int)vmpartspawner.particle_staincolor2[0] << 16) + ((int)vmpartspawner.particle_staincolor2[1] << 8) + ((int)vmpartspawner.particle_staincolor2[2]), (int)*vmpartspawner.particle_staintex, *vmpartspawner.particle_stainalpha*256, *vmpartspawner.particle_stainsize, *vmpartspawner.particle_angle, *vmpartspawner.particle_spin, NULL);
3002         else // themed particle
3003         {
3004                 themenum = (int)PRVM_G_FLOAT(OFS_PARM4);
3005                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
3006                 {
3007                         VM_Warning(prog, "VM_CL_SpawnParticle: bad theme number %i\n", themenum);
3008                         PRVM_G_FLOAT(OFS_RETURN) = 0;  
3009                         return;
3010                 }
3011                 theme = &vmpartspawner.themes[themenum];
3012                 part = CL_NewParticle(org, theme->typeindex, theme->color1, theme->color2, theme->tex, theme->size, theme->sizeincrease, theme->alpha, theme->alphafade, theme->gravity, theme->bounce, org[0], org[1], org[2], dir[0], dir[1], dir[2], theme->airfriction, theme->liquidfriction, theme->originjitter, theme->velocityjitter, theme->qualityreduction, theme->lifetime, theme->stretch, theme->blendmode, theme->orientation, theme->staincolor1, theme->staincolor2, theme->staintex, theme->stainalpha, theme->stainsize, theme->angle, theme->spin, NULL);
3013         }
3014         if (!part) 
3015         { 
3016                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
3017                 return; 
3018         }
3019         part->delayedspawn = cl.time + PRVM_G_FLOAT(OFS_PARM2);
3020         //part->delayedcollisions = cl.time + PRVM_G_FLOAT(OFS_PARM3);
3021         PRVM_G_FLOAT(OFS_RETURN) = 0;
3022 }
3023
3024 //====================
3025 //CSQC engine entities query
3026 //====================
3027
3028 // float(float entitynum, float whatfld) getentity;
3029 // vector(float entitynum, float whatfld) getentityvec;
3030 // querying engine-drawn entity
3031 // VorteX: currently it's only tested with whatfld = 1..7
3032 static void VM_CL_GetEntity (prvm_prog_t *prog)
3033 {
3034         int entnum, fieldnum;
3035         float org[3], v1[3], v2[3];
3036         VM_SAFEPARMCOUNT(2, VM_CL_GetEntityVec);
3037
3038         entnum = PRVM_G_FLOAT(OFS_PARM0);
3039         if (entnum < 0 || entnum >= cl.num_entities)
3040         {
3041                 PRVM_G_FLOAT(OFS_RETURN) = 0;
3042                 return;
3043         }
3044         fieldnum = PRVM_G_FLOAT(OFS_PARM1);
3045         switch(fieldnum)
3046         {
3047                 case 0: // active state
3048                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities_active[entnum];
3049                         break;
3050                 case 1: // origin
3051                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, PRVM_G_VECTOR(OFS_RETURN));
3052                         break; 
3053                 case 2: // forward
3054                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, PRVM_G_VECTOR(OFS_RETURN), v1, v2, org);        
3055                         break;
3056                 case 3: // right
3057                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, v1, PRVM_G_VECTOR(OFS_RETURN), v2, org);        
3058                         break;
3059                 case 4: // up
3060                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, v1, v2, PRVM_G_VECTOR(OFS_RETURN), org);        
3061                         break;
3062                 case 5: // scale
3063                         PRVM_G_FLOAT(OFS_RETURN) = Matrix4x4_ScaleFromMatrix(&cl.entities[entnum].render.matrix);
3064                         break;  
3065                 case 6: // origin + v_forward, v_right, v_up
3066                         Matrix4x4_ToVectors(&cl.entities[entnum].render.matrix, PRVM_clientglobalvector(v_forward), PRVM_clientglobalvector(v_right), PRVM_clientglobalvector(v_up), PRVM_G_VECTOR(OFS_RETURN));        
3067                         break;  
3068                 case 7: // alpha
3069                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.alpha;
3070                         break;  
3071                 case 8: // colormor
3072                         VectorCopy(cl.entities[entnum].render.colormod, PRVM_G_VECTOR(OFS_RETURN));
3073                         break;
3074                 case 9: // pants colormod
3075                         VectorCopy(cl.entities[entnum].render.colormap_pantscolor, PRVM_G_VECTOR(OFS_RETURN));
3076                         break;
3077                 case 10: // shirt colormod
3078                         VectorCopy(cl.entities[entnum].render.colormap_shirtcolor, PRVM_G_VECTOR(OFS_RETURN));
3079                         break;
3080                 case 11: // skinnum
3081                         PRVM_G_FLOAT(OFS_RETURN) = cl.entities[entnum].render.skinnum;
3082                         break;  
3083                 case 12: // mins
3084                         VectorCopy(cl.entities[entnum].render.mins, PRVM_G_VECTOR(OFS_RETURN));         
3085                         break;  
3086                 case 13: // maxs
3087                         VectorCopy(cl.entities[entnum].render.maxs, PRVM_G_VECTOR(OFS_RETURN));         
3088                         break;  
3089                 case 14: // absmin
3090                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3091                         VectorAdd(cl.entities[entnum].render.mins, org, PRVM_G_VECTOR(OFS_RETURN));             
3092                         break;  
3093                 case 15: // absmax
3094                         Matrix4x4_OriginFromMatrix(&cl.entities[entnum].render.matrix, org);
3095                         VectorAdd(cl.entities[entnum].render.maxs, org, PRVM_G_VECTOR(OFS_RETURN));             
3096                         break;
3097                 case 16: // light
3098                         VectorMA(cl.entities[entnum].render.modellight_ambient, 0.5, cl.entities[entnum].render.modellight_diffuse, PRVM_G_VECTOR(OFS_RETURN));
3099                         break;  
3100                 default:
3101                         PRVM_G_FLOAT(OFS_RETURN) = 0;
3102                         break;
3103         }
3104 }
3105
3106 //====================
3107 //QC POLYGON functions
3108 //====================
3109
3110 //#304 void() renderscene (EXT_CSQC)
3111 // moved that here to reset the polygons,
3112 // resetting them earlier causes R_Mesh_Draw to be called with numvertices = 0
3113 // --blub
3114 static void VM_CL_R_RenderScene (prvm_prog_t *prog)
3115 {
3116         double t = Sys_DirtyTime();
3117         vmpolygons_t *polys = &prog->vmpolygons;
3118         VM_SAFEPARMCOUNT(0, VM_CL_R_RenderScene);
3119
3120         // update the views
3121         if(r_refdef.view.ismain)
3122         {
3123                 // set the main view
3124                 csqc_main_r_refdef_view = r_refdef.view;
3125
3126                 // clear the flags so no other view becomes "main" unless CSQC sets VF_MAINVIEW
3127                 r_refdef.view.ismain = false;
3128                 csqc_original_r_refdef_view.ismain = false;
3129         }
3130
3131         // we need to update any RENDER_VIEWMODEL entities at this point because
3132         // csqc supplies its own view matrix
3133         CL_UpdateViewEntities();
3134
3135         // now draw stuff!
3136         R_RenderView();
3137
3138         polys->num_vertices = polys->num_triangles = 0;
3139
3140         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
3141         t = Sys_DirtyTime() - t;if (t < 0 || t >= 1800) t = 0;
3142         prog->functions[PRVM_clientfunction(CSQC_UpdateView)].totaltime -= t;
3143 }
3144
3145 static void VM_ResizePolygons(vmpolygons_t *polys)
3146 {
3147         float *oldvertex3f = polys->data_vertex3f;
3148         float *oldcolor4f = polys->data_color4f;
3149         float *oldtexcoord2f = polys->data_texcoord2f;
3150         vmpolygons_triangle_t *oldtriangles = polys->data_triangles;
3151         unsigned short *oldsortedelement3s = polys->data_sortedelement3s;
3152         polys->max_vertices = min(polys->max_triangles*3, 65536);
3153         polys->data_vertex3f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[3]));
3154         polys->data_color4f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[4]));
3155         polys->data_texcoord2f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[2]));
3156         polys->data_triangles = (vmpolygons_triangle_t *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(vmpolygons_triangle_t));
3157         polys->data_sortedelement3s = (unsigned short *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(unsigned short[3]));
3158         if (polys->num_vertices)
3159         {
3160                 memcpy(polys->data_vertex3f, oldvertex3f, polys->num_vertices*sizeof(float[3]));
3161                 memcpy(polys->data_color4f, oldcolor4f, polys->num_vertices*sizeof(float[4]));
3162                 memcpy(polys->data_texcoord2f, oldtexcoord2f, polys->num_vertices*sizeof(float[2]));
3163         }
3164         if (polys->num_triangles)
3165         {
3166                 memcpy(polys->data_triangles, oldtriangles, polys->num_triangles*sizeof(vmpolygons_triangle_t));
3167                 memcpy(polys->data_sortedelement3s, oldsortedelement3s, polys->num_triangles*sizeof(unsigned short[3]));
3168         }
3169         if (oldvertex3f)
3170                 Mem_Free(oldvertex3f);
3171         if (oldcolor4f)
3172                 Mem_Free(oldcolor4f);
3173         if (oldtexcoord2f)
3174                 Mem_Free(oldtexcoord2f);
3175         if (oldtriangles)
3176                 Mem_Free(oldtriangles);
3177         if (oldsortedelement3s)
3178                 Mem_Free(oldsortedelement3s);
3179 }
3180
3181 static void VM_InitPolygons (vmpolygons_t* polys)
3182 {
3183         memset(polys, 0, sizeof(*polys));
3184         polys->pool = Mem_AllocPool("VMPOLY", 0, NULL);
3185         polys->max_triangles = 1024;
3186         VM_ResizePolygons(polys);
3187         polys->initialized = true;
3188 }
3189
3190 static void VM_DrawPolygonCallback (const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
3191 {
3192         int surfacelistindex;
3193         vmpolygons_t *polys = (vmpolygons_t *)ent;
3194 //      R_Mesh_ResetTextureState();
3195         R_EntityMatrix(&identitymatrix);
3196         GL_CullFace(GL_NONE);
3197         GL_DepthTest(true); // polys in 3D space shall always have depth test
3198         GL_DepthRange(0, 1);
3199         R_Mesh_PrepareVertices_Generic_Arrays(polys->num_vertices, polys->data_vertex3f, polys->data_color4f, polys->data_texcoord2f);
3200
3201         for (surfacelistindex = 0;surfacelistindex < numsurfaces;)
3202         {
3203                 int numtriangles = 0;
3204                 rtexture_t *tex = polys->data_triangles[surfacelist[surfacelistindex]].texture;
3205                 int drawflag = polys->data_triangles[surfacelist[surfacelistindex]].drawflag;
3206                 DrawQ_ProcessDrawFlag(drawflag, polys->data_triangles[surfacelist[surfacelistindex]].hasalpha);
3207                 R_SetupShader_Generic(tex, NULL, GL_MODULATE, 1, false, false, false);
3208                 numtriangles = 0;
3209                 for (;surfacelistindex < numsurfaces;surfacelistindex++)
3210                 {
3211                         if (polys->data_triangles[surfacelist[surfacelistindex]].texture != tex || polys->data_triangles[surfacelist[surfacelistindex]].drawflag != drawflag)
3212                                 break;
3213                         VectorCopy(polys->data_triangles[surfacelist[surfacelistindex]].elements, polys->data_sortedelement3s + 3*numtriangles);
3214                         numtriangles++;
3215                 }
3216                 R_Mesh_Draw(0, polys->num_vertices, 0, numtriangles, NULL, NULL, 0, polys->data_sortedelement3s, NULL, 0);
3217         }
3218 }
3219
3220 static void VMPolygons_Store(vmpolygons_t *polys)
3221 {
3222         qboolean hasalpha;
3223         int i;
3224
3225         // detect if we have alpha
3226         hasalpha = polys->begin_texture_hasalpha;
3227         for(i = 0; !hasalpha && (i < polys->begin_vertices); ++i)
3228                 if(polys->begin_color[i][3] < 1)
3229                         hasalpha = true;
3230
3231         if (polys->begin_draw2d)
3232         {
3233                 // draw the polygon as 2D immediately
3234                 drawqueuemesh_t mesh;
3235                 mesh.texture = polys->begin_texture;
3236                 mesh.num_vertices = polys->begin_vertices;
3237                 mesh.num_triangles = polys->begin_vertices-2;
3238                 mesh.data_element3i = polygonelement3i;
3239                 mesh.data_element3s = polygonelement3s;
3240                 mesh.data_vertex3f = polys->begin_vertex[0];
3241                 mesh.data_color4f = polys->begin_color[0];
3242                 mesh.data_texcoord2f = polys->begin_texcoord[0];
3243                 DrawQ_Mesh(&mesh, polys->begin_drawflag, hasalpha);
3244         }
3245         else
3246         {
3247                 // queue the polygon as 3D for sorted transparent rendering later
3248                 int i;
3249                 if (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3250                 {
3251                         while (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3252                                 polys->max_triangles *= 2;
3253                         VM_ResizePolygons(polys);
3254                 }
3255                 if (polys->num_vertices + polys->begin_vertices <= polys->max_vertices)
3256                 {
3257                         // needle in a haystack!
3258                         // polys->num_vertices was used for copying where we actually want to copy begin_vertices
3259                         // that also caused it to not render the first polygon that is added
3260                         // --blub
3261                         memcpy(polys->data_vertex3f + polys->num_vertices * 3, polys->begin_vertex[0], polys->begin_vertices * sizeof(float[3]));
3262                         memcpy(polys->data_color4f + polys->num_vertices * 4, polys->begin_color[0], polys->begin_vertices * sizeof(float[4]));
3263                         memcpy(polys->data_texcoord2f + polys->num_vertices * 2, polys->begin_texcoord[0], polys->begin_vertices * sizeof(float[2]));
3264                         for (i = 0;i < polys->begin_vertices-2;i++)
3265                         {
3266                                 polys->data_triangles[polys->num_triangles].texture = polys->begin_texture;
3267                                 polys->data_triangles[polys->num_triangles].drawflag = polys->begin_drawflag;
3268                                 polys->data_triangles[polys->num_triangles].elements[0] = polys->num_vertices;
3269                                 polys->data_triangles[polys->num_triangles].elements[1] = polys->num_vertices + i+1;
3270                                 polys->data_triangles[polys->num_triangles].elements[2] = polys->num_vertices + i+2;
3271                                 polys->data_triangles[polys->num_triangles].hasalpha = hasalpha;
3272                                 polys->num_triangles++;
3273                         }
3274                         polys->num_vertices += polys->begin_vertices;
3275                 }
3276         }
3277         polys->begin_active = false;
3278 }
3279
3280 // TODO: move this into the client code and clean-up everything else, too! [1/6/2008 Black]
3281 // LordHavoc: agreed, this is a mess
3282 void VM_CL_AddPolygonsToMeshQueue (prvm_prog_t *prog)
3283 {
3284         int i;
3285         vmpolygons_t *polys = &prog->vmpolygons;
3286         vec3_t center;
3287
3288         // only add polygons of the currently active prog to the queue - if there is none, we're done
3289         if( !prog )
3290                 return;
3291
3292         if (!polys->num_triangles)
3293                 return;
3294
3295         for (i = 0;i < polys->num_triangles;i++)
3296         {
3297                 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);
3298                 R_MeshQueue_AddTransparent(MESHQUEUE_SORT_DISTANCE, center, VM_DrawPolygonCallback, (entity_render_t *)polys, i, NULL);
3299         }
3300
3301         /*polys->num_triangles = 0; // now done after rendering the scene,
3302           polys->num_vertices = 0;  // otherwise it's not rendered at all and prints an error message --blub */
3303 }
3304
3305 //void(string texturename, float flag[, float is2d]) R_BeginPolygon
3306 static void VM_CL_R_PolygonBegin (prvm_prog_t *prog)
3307 {
3308         const char              *picname;
3309         skinframe_t     *sf;
3310         vmpolygons_t *polys = &prog->vmpolygons;
3311         int tf;
3312
3313         // TODO instead of using skinframes here (which provides the benefit of
3314         // better management of flags, and is more suited for 3D rendering), what
3315         // about supporting Q3 shaders?
3316
3317         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_R_PolygonBegin);
3318
3319         if (!polys->initialized)
3320                 VM_InitPolygons(polys);
3321         if (polys->begin_active)
3322         {
3323                 VM_Warning(prog, "VM_CL_R_PolygonBegin: called twice without VM_CL_R_PolygonBegin after first\n");
3324                 return;
3325         }
3326         picname = PRVM_G_STRING(OFS_PARM0);
3327
3328         sf = NULL;
3329         if(*picname)
3330         {
3331                 tf = TEXF_ALPHA;
3332                 if((int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MIPMAP)
3333                         tf |= TEXF_MIPMAP;
3334
3335                 do
3336                 {
3337                         sf = R_SkinFrame_FindNextByName(sf, picname);
3338                 }
3339                 while(sf && sf->textureflags != tf);
3340
3341                 if(!sf || !sf->base)
3342                         sf = R_SkinFrame_LoadExternal(picname, tf, true);
3343
3344                 if(sf)
3345                         R_SkinFrame_MarkUsed(sf);
3346         }
3347
3348         polys->begin_texture = (sf && sf->base) ? sf->base : r_texture_white;
3349         polys->begin_texture_hasalpha = (sf && sf->base) ? sf->hasalpha : false;
3350         polys->begin_drawflag = (int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MASK;
3351         polys->begin_vertices = 0;
3352         polys->begin_active = true;
3353         polys->begin_draw2d = (prog->argc >= 3 ? (int)PRVM_G_FLOAT(OFS_PARM2) : r_refdef.draw2dstage);
3354 }
3355
3356 //void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
3357 static void VM_CL_R_PolygonVertex (prvm_prog_t *prog)
3358 {
3359         vmpolygons_t *polys = &prog->vmpolygons;
3360
3361         VM_SAFEPARMCOUNT(4, VM_CL_R_PolygonVertex);
3362
3363         if (!polys->begin_active)
3364         {
3365                 VM_Warning(prog, "VM_CL_R_PolygonVertex: VM_CL_R_PolygonBegin wasn't called\n");
3366                 return;
3367         }
3368
3369         if (polys->begin_vertices >= VMPOLYGONS_MAXPOINTS)
3370         {
3371                 VM_Warning(prog, "VM_CL_R_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3372                 return;
3373         }
3374
3375         polys->begin_vertex[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM0)[0];
3376         polys->begin_vertex[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM0)[1];
3377         polys->begin_vertex[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM0)[2];
3378         polys->begin_texcoord[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM1)[0];
3379         polys->begin_texcoord[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM1)[1];
3380         polys->begin_color[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM2)[0];
3381         polys->begin_color[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM2)[1];
3382         polys->begin_color[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM2)[2];
3383         polys->begin_color[polys->begin_vertices][3] = PRVM_G_FLOAT(OFS_PARM3);
3384         polys->begin_vertices++;
3385 }
3386
3387 //void() R_EndPolygon
3388 static void VM_CL_R_PolygonEnd (prvm_prog_t *prog)
3389 {
3390         vmpolygons_t *polys = &prog->vmpolygons;
3391
3392         VM_SAFEPARMCOUNT(0, VM_CL_R_PolygonEnd);
3393         if (!polys->begin_active)
3394         {
3395                 VM_Warning(prog, "VM_CL_R_PolygonEnd: VM_CL_R_PolygonBegin wasn't called\n");
3396                 return;
3397         }
3398         polys->begin_active = false;
3399         if (polys->begin_vertices >= 3)
3400                 VMPolygons_Store(polys);
3401         else
3402                 VM_Warning(prog, "VM_CL_R_PolygonEnd: %i vertices isn't a good choice\n", polys->begin_vertices);
3403 }
3404
3405 static vmpolygons_t debugPolys;
3406
3407 void Debug_PolygonBegin(const char *picname, int drawflag)
3408 {
3409         if(!debugPolys.initialized)
3410                 VM_InitPolygons(&debugPolys);
3411         if(debugPolys.begin_active)
3412         {
3413                 Con_Printf("Debug_PolygonBegin: called twice without Debug_PolygonEnd after first\n");
3414                 return;
3415         }
3416         debugPolys.begin_texture = picname[0] ? Draw_CachePic_Flags (picname, CACHEPICFLAG_NOTPERSISTENT)->tex : r_texture_white;
3417         debugPolys.begin_drawflag = drawflag;
3418         debugPolys.begin_vertices = 0;
3419         debugPolys.begin_active = true;
3420 }
3421
3422 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a)
3423 {
3424         if(!debugPolys.begin_active)
3425         {
3426                 Con_Printf("Debug_PolygonVertex: Debug_PolygonBegin wasn't called\n");
3427                 return;
3428         }
3429
3430         if(debugPolys.begin_vertices > VMPOLYGONS_MAXPOINTS)
3431         {
3432                 Con_Printf("Debug_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3433                 return;
3434         }
3435
3436         debugPolys.begin_vertex[debugPolys.begin_vertices][0] = x;
3437         debugPolys.begin_vertex[debugPolys.begin_vertices][1] = y;
3438         debugPolys.begin_vertex[debugPolys.begin_vertices][2] = z;
3439         debugPolys.begin_texcoord[debugPolys.begin_vertices][0] = s;
3440         debugPolys.begin_texcoord[debugPolys.begin_vertices][1] = t;
3441         debugPolys.begin_color[debugPolys.begin_vertices][0] = r;
3442         debugPolys.begin_color[debugPolys.begin_vertices][1] = g;
3443         debugPolys.begin_color[debugPolys.begin_vertices][2] = b;
3444         debugPolys.begin_color[debugPolys.begin_vertices][3] = a;
3445         debugPolys.begin_vertices++;
3446 }
3447
3448 void Debug_PolygonEnd(void)
3449 {
3450         if (!debugPolys.begin_active)
3451         {
3452                 Con_Printf("Debug_PolygonEnd: Debug_PolygonBegin wasn't called\n");
3453                 return;
3454         }
3455         debugPolys.begin_active = false;
3456         if (debugPolys.begin_vertices >= 3)
3457                 VMPolygons_Store(&debugPolys);
3458         else
3459                 Con_Printf("Debug_PolygonEnd: %i vertices isn't a good choice\n", debugPolys.begin_vertices);
3460 }
3461
3462 /*
3463 =============
3464 CL_CheckBottom
3465
3466 Returns false if any part of the bottom of the entity is off an edge that
3467 is not a staircase.
3468
3469 =============
3470 */
3471 static qboolean CL_CheckBottom (prvm_edict_t *ent)
3472 {
3473         prvm_prog_t *prog = CLVM_prog;
3474         vec3_t  mins, maxs, start, stop;
3475         trace_t trace;
3476         int             x, y;
3477         float   mid, bottom;
3478
3479         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
3480         VectorAdd (PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
3481
3482 // if all of the points under the corners are solid world, don't bother
3483 // with the tougher checks
3484 // the corners must be within 16 of the midpoint
3485         start[2] = mins[2] - 1;
3486         for     (x=0 ; x<=1 ; x++)
3487                 for     (y=0 ; y<=1 ; y++)
3488                 {
3489                         start[0] = x ? maxs[0] : mins[0];
3490                         start[1] = y ? maxs[1] : mins[1];
3491                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
3492                                 goto realcheck;
3493                 }
3494
3495         return true;            // we got out easy
3496
3497 realcheck:
3498 //
3499 // check it for real...
3500 //
3501         start[2] = mins[2];
3502
3503 // the midpoint must be within 16 of the bottom
3504         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
3505         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
3506         stop[2] = start[2] - 2*sv_stepheight.value;
3507         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true, false);
3508
3509         if (trace.fraction == 1.0)
3510                 return false;
3511         mid = bottom = trace.endpos[2];
3512
3513 // the corners must be within 16 of the midpoint
3514         for     (x=0 ; x<=1 ; x++)
3515                 for     (y=0 ; y<=1 ; y++)
3516                 {
3517                         start[0] = stop[0] = x ? maxs[0] : mins[0];
3518                         start[1] = stop[1] = y ? maxs[1] : mins[1];
3519
3520                         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true, false);
3521
3522                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
3523                                 bottom = trace.endpos[2];
3524                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
3525                                 return false;
3526                 }
3527
3528         return true;
3529 }
3530
3531 /*
3532 =============
3533 CL_movestep
3534
3535 Called by monster program code.
3536 The move will be adjusted for slopes and stairs, but if the move isn't
3537 possible, no move is done and false is returned
3538 =============
3539 */
3540 static qboolean CL_movestep (prvm_edict_t *ent, vec3_t move, qboolean relink, qboolean noenemy, qboolean settrace)
3541 {
3542         prvm_prog_t *prog = CLVM_prog;
3543         float           dz;
3544         vec3_t          oldorg, neworg, end, traceendpos;
3545         trace_t         trace;
3546         int                     i, svent;
3547         prvm_edict_t            *enemy;
3548
3549 // try the move
3550         VectorCopy (PRVM_clientedictvector(ent, origin), oldorg);
3551         VectorAdd (PRVM_clientedictvector(ent, origin), move, neworg);
3552
3553 // flying monsters don't step up
3554         if ( (int)PRVM_clientedictfloat(ent, flags) & (FL_SWIM | FL_FLY) )
3555         {
3556         // try one move with vertical motion, then one without
3557                 for (i=0 ; i<2 ; i++)
3558                 {
3559                         VectorAdd (PRVM_clientedictvector(ent, origin), move, neworg);
3560                         enemy = PRVM_PROG_TO_EDICT(PRVM_clientedictedict(ent, enemy));
3561                         if (i == 0 && enemy != prog->edicts)
3562                         {
3563                                 dz = PRVM_clientedictvector(ent, origin)[2] - PRVM_clientedictvector(PRVM_PROG_TO_EDICT(PRVM_clientedictedict(ent, enemy)), origin)[2];
3564                                 if (dz > 40)
3565                                         neworg[2] -= 8;
3566                                 if (dz < 30)
3567                                         neworg[2] += 8;
3568                         }
3569                         trace = CL_TraceBox(PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), PRVM_clientedictvector(ent, maxs), neworg, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3570                         if (settrace)
3571                                 CL_VM_SetTraceGlobals(prog, &trace, svent);
3572
3573                         if (trace.fraction == 1)
3574                         {
3575                                 VectorCopy(trace.endpos, traceendpos);
3576                                 if (((int)PRVM_clientedictfloat(ent, flags) & FL_SWIM) && !(CL_PointSuperContents(traceendpos) & SUPERCONTENTS_LIQUIDSMASK))
3577                                         return false;   // swim monster left water
3578
3579                                 VectorCopy (traceendpos, PRVM_clientedictvector(ent, origin));
3580                                 if (relink)
3581                                         CL_LinkEdict(ent);
3582                                 return true;
3583                         }
3584
3585                         if (enemy == prog->edicts)
3586                                 break;
3587                 }
3588
3589                 return false;
3590         }
3591
3592 // push down from a step height above the wished position
3593         neworg[2] += sv_stepheight.value;
3594         VectorCopy (neworg, end);
3595         end[2] -= sv_stepheight.value*2;
3596
3597         trace = CL_TraceBox(neworg, PRVM_clientedictvector(ent, mins), PRVM_clientedictvector(ent, maxs), end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3598         if (settrace)
3599                 CL_VM_SetTraceGlobals(prog, &trace, svent);
3600
3601         if (trace.startsolid)
3602         {
3603                 neworg[2] -= sv_stepheight.value;
3604                 trace = CL_TraceBox(neworg, PRVM_clientedictvector(ent, mins), PRVM_clientedictvector(ent, maxs), end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3605                 if (settrace)
3606                         CL_VM_SetTraceGlobals(prog, &trace, svent);
3607                 if (trace.startsolid)
3608                         return false;
3609         }
3610         if (trace.fraction == 1)
3611         {
3612         // if monster had the ground pulled out, go ahead and fall
3613                 if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3614                 {
3615                         VectorAdd (PRVM_clientedictvector(ent, origin), move, PRVM_clientedictvector(ent, origin));
3616                         if (relink)
3617                                 CL_LinkEdict(ent);
3618                         PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) & ~FL_ONGROUND;
3619                         return true;
3620                 }
3621
3622                 return false;           // walked off an edge
3623         }
3624
3625 // check point traces down for dangling corners
3626         VectorCopy (trace.endpos, PRVM_clientedictvector(ent, origin));
3627
3628         if (!CL_CheckBottom (ent))
3629         {
3630                 if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3631                 {       // entity had floor mostly pulled out from underneath it
3632                         // and is trying to correct
3633                         if (relink)
3634                                 CL_LinkEdict(ent);
3635                         return true;
3636                 }
3637                 VectorCopy (oldorg, PRVM_clientedictvector(ent, origin));
3638                 return false;
3639         }
3640
3641         if ( (int)PRVM_clientedictfloat(ent, flags) & FL_PARTIALGROUND )
3642                 PRVM_clientedictfloat(ent, flags) = (int)PRVM_clientedictfloat(ent, flags) & ~FL_PARTIALGROUND;
3643
3644         PRVM_clientedictedict(ent, groundentity) = PRVM_EDICT_TO_PROG(trace.ent);
3645
3646 // the move is ok
3647         if (relink)
3648                 CL_LinkEdict(ent);
3649         return true;
3650 }
3651
3652 /*
3653 ===============
3654 VM_CL_walkmove
3655
3656 float(float yaw, float dist[, settrace]) walkmove
3657 ===============
3658 */
3659 static void VM_CL_walkmove (prvm_prog_t *prog)
3660 {
3661         prvm_edict_t    *ent;
3662         float   yaw, dist;
3663         vec3_t  move;
3664         mfunction_t     *oldf;
3665         int     oldself;
3666         qboolean        settrace;
3667
3668         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_walkmove);
3669
3670         // assume failure if it returns early
3671         PRVM_G_FLOAT(OFS_RETURN) = 0;
3672
3673         ent = PRVM_PROG_TO_EDICT(PRVM_clientglobaledict(self));
3674         if (ent == prog->edicts)
3675         {
3676                 VM_Warning(prog, "walkmove: can not modify world entity\n");
3677                 return;
3678         }
3679         if (ent->priv.server->free)
3680         {
3681                 VM_Warning(prog, "walkmove: can not modify free entity\n");
3682                 return;
3683         }
3684         yaw = PRVM_G_FLOAT(OFS_PARM0);
3685         dist = PRVM_G_FLOAT(OFS_PARM1);
3686         settrace = prog->argc >= 3 && PRVM_G_FLOAT(OFS_PARM2);
3687
3688         if ( !( (int)PRVM_clientedictfloat(ent, flags) & (FL_ONGROUND|FL_FLY|FL_SWIM) ) )
3689                 return;
3690
3691         yaw = yaw*M_PI*2 / 360;
3692
3693         move[0] = cos(yaw)*dist;
3694         move[1] = sin(yaw)*dist;
3695         move[2] = 0;
3696
3697 // save program state, because CL_movestep may call other progs
3698         oldf = prog->xfunction;
3699         oldself = PRVM_clientglobaledict(self);
3700
3701         PRVM_G_FLOAT(OFS_RETURN) = CL_movestep(ent, move, true, false, settrace);
3702
3703
3704 // restore program state
3705         prog->xfunction = oldf;
3706         PRVM_clientglobaledict(self) = oldself;
3707 }
3708
3709 /*
3710 ===============
3711 VM_CL_serverkey
3712
3713 string(string key) serverkey
3714 ===============
3715 */
3716 static void VM_CL_serverkey(prvm_prog_t *prog)
3717 {
3718         char string[VM_STRINGTEMP_LENGTH];
3719         VM_SAFEPARMCOUNT(1, VM_CL_serverkey);
3720         InfoString_GetValue(cl.qw_serverinfo, PRVM_G_STRING(OFS_PARM0), string, sizeof(string));
3721         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, string);
3722 }
3723
3724 /*
3725 =================
3726 VM_CL_checkpvs
3727
3728 Checks if an entity is in a point's PVS.
3729 Should be fast but can be inexact.
3730
3731 float checkpvs(vector viewpos, entity viewee) = #240;
3732 =================
3733 */
3734 static void VM_CL_checkpvs (prvm_prog_t *prog)
3735 {
3736         vec3_t viewpos;
3737         prvm_edict_t *viewee;
3738         vec3_t mi, ma;
3739 #if 1
3740         unsigned char *pvs;
3741 #else
3742         int fatpvsbytes;
3743         unsigned char fatpvs[MAX_MAP_LEAFS/8];
3744 #endif
3745
3746         VM_SAFEPARMCOUNT(2, VM_SV_checkpvs);
3747         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), viewpos);
3748         viewee = PRVM_G_EDICT(OFS_PARM1);
3749
3750         if(viewee->priv.required->free)
3751         {
3752                 VM_Warning(prog, "checkpvs: can not check free entity\n");
3753                 PRVM_G_FLOAT(OFS_RETURN) = 4;
3754                 return;
3755         }
3756
3757         VectorAdd(PRVM_serveredictvector(viewee, origin), PRVM_serveredictvector(viewee, mins), mi);
3758         VectorAdd(PRVM_serveredictvector(viewee, origin), PRVM_serveredictvector(viewee, maxs), ma);
3759
3760 #if 1
3761         if(!sv.worldmodel->brush.GetPVS || !sv.worldmodel->brush.BoxTouchingPVS)
3762         {
3763                 // no PVS support on this worldmodel... darn
3764                 PRVM_G_FLOAT(OFS_RETURN) = 3;
3765                 return;
3766         }
3767         pvs = sv.worldmodel->brush.GetPVS(sv.worldmodel, viewpos);
3768         if(!pvs)
3769         {
3770                 // viewpos isn't in any PVS... darn
3771                 PRVM_G_FLOAT(OFS_RETURN) = 2;
3772                 return;
3773         }
3774         PRVM_G_FLOAT(OFS_RETURN) = sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, pvs, mi, ma);
3775 #else
3776         // using fat PVS like FTEQW does (slow)
3777         if(!sv.worldmodel->brush.FatPVS || !sv.worldmodel->brush.BoxTouchingPVS)
3778         {
3779                 // no PVS support on this worldmodel... darn
3780                 PRVM_G_FLOAT(OFS_RETURN) = 3;
3781                 return;
3782         }
3783         fatpvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, viewpos, 8, fatpvs, sizeof(fatpvs), false);
3784         if(!fatpvsbytes)
3785         {
3786                 // viewpos isn't in any PVS... darn
3787                 PRVM_G_FLOAT(OFS_RETURN) = 2;
3788                 return;
3789         }
3790         PRVM_G_FLOAT(OFS_RETURN) = sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, fatpvs, mi, ma);
3791 #endif
3792 }
3793
3794 // #263 float(float modlindex) skel_create = #263; // (FTE_CSQC_SKELETONOBJECTS) create a skeleton (be sure to assign this value into .skeletonindex for use), returns skeleton index (1 or higher) on success, returns 0 on failure  (for example if the modelindex is not skeletal), it is recommended that you create a new skeleton if you change modelindex.
3795 static void VM_CL_skel_create(prvm_prog_t *prog)
3796 {
3797         int modelindex = (int)PRVM_G_FLOAT(OFS_PARM0);
3798         dp_model_t *model = CL_GetModelByIndex(modelindex);
3799         skeleton_t *skeleton;
3800         int i;
3801         PRVM_G_FLOAT(OFS_RETURN) = 0;
3802         if (!model || !model->num_bones)
3803                 return;
3804         for (i = 0;i < MAX_EDICTS;i++)
3805                 if (!prog->skeletons[i])
3806                         break;
3807         if (i == MAX_EDICTS)
3808                 return;
3809         prog->skeletons[i] = skeleton = (skeleton_t *)Mem_Alloc(cls.levelmempool, sizeof(skeleton_t) + model->num_bones * sizeof(matrix4x4_t));
3810         PRVM_G_FLOAT(OFS_RETURN) = i + 1;
3811         skeleton->model = model;
3812         skeleton->relativetransforms = (matrix4x4_t *)(skeleton+1);
3813         // initialize to identity matrices
3814         for (i = 0;i < skeleton->model->num_bones;i++)
3815                 skeleton->relativetransforms[i] = identitymatrix;
3816 }
3817
3818 // #264 float(float skel, entity ent, float modlindex, float retainfrac, float firstbone, float lastbone) skel_build = #264; // (FTE_CSQC_SKELETONOBJECTS) blend in a percentage of standard animation, 0 replaces entirely, 1 does nothing, 0.5 blends half, etc, and this only alters the bones in the specified range for which out of bounds values like 0,100000 are safe (uses .frame, .frame2, .frame3, .frame4, .lerpfrac, .lerpfrac3, .lerpfrac4, .frame1time, .frame2time, .frame3time, .frame4time), returns skel on success, 0 on failure
3819 static void VM_CL_skel_build(prvm_prog_t *prog)
3820 {
3821         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3822         skeleton_t *skeleton;
3823         prvm_edict_t *ed = PRVM_G_EDICT(OFS_PARM1);
3824         int modelindex = (int)PRVM_G_FLOAT(OFS_PARM2);
3825         float retainfrac = PRVM_G_FLOAT(OFS_PARM3);
3826         int firstbone = PRVM_G_FLOAT(OFS_PARM4) - 1;
3827         int lastbone = PRVM_G_FLOAT(OFS_PARM5) - 1;
3828         dp_model_t *model = CL_GetModelByIndex(modelindex);
3829         float blendfrac;
3830         int numblends;
3831         int bonenum;
3832         int blendindex;
3833         framegroupblend_t framegroupblend[MAX_FRAMEGROUPBLENDS];
3834         frameblend_t frameblend[MAX_FRAMEBLENDS];
3835         matrix4x4_t blendedmatrix;
3836         matrix4x4_t matrix;
3837         PRVM_G_FLOAT(OFS_RETURN) = 0;
3838         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3839                 return;
3840         firstbone = max(0, firstbone);
3841         lastbone = min(lastbone, model->num_bones - 1);
3842         lastbone = min(lastbone, skeleton->model->num_bones - 1);
3843         VM_GenerateFrameGroupBlend(prog, framegroupblend, ed);
3844         VM_FrameBlendFromFrameGroupBlend(frameblend, framegroupblend, model);
3845         blendfrac = 1.0f - retainfrac;
3846         for (numblends = 0;numblends < MAX_FRAMEBLENDS && frameblend[numblends].lerp;numblends++)
3847                 frameblend[numblends].lerp *= blendfrac;
3848         for (bonenum = firstbone;bonenum <= lastbone;bonenum++)
3849         {
3850                 memset(&blendedmatrix, 0, sizeof(blendedmatrix));
3851                 Matrix4x4_Accumulate(&blendedmatrix, &skeleton->relativetransforms[bonenum], retainfrac);
3852                 for (blendindex = 0;blendindex < numblends;blendindex++)
3853                 {
3854                         Matrix4x4_FromBonePose6s(&matrix, model->num_posescale, model->data_poses6s + 6 * (frameblend[blendindex].subframe * model->num_bones + bonenum));
3855                         Matrix4x4_Accumulate(&blendedmatrix, &matrix, frameblend[blendindex].lerp);
3856                 }
3857                 skeleton->relativetransforms[bonenum] = blendedmatrix;
3858         }
3859         PRVM_G_FLOAT(OFS_RETURN) = skeletonindex + 1;
3860 }
3861
3862 // #265 float(float skel) skel_get_numbones = #265; // (FTE_CSQC_SKELETONOBJECTS) returns how many bones exist in the created skeleton
3863 static void VM_CL_skel_get_numbones(prvm_prog_t *prog)
3864 {
3865         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3866         skeleton_t *skeleton;
3867         PRVM_G_FLOAT(OFS_RETURN) = 0;
3868         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3869                 return;
3870         PRVM_G_FLOAT(OFS_RETURN) = skeleton->model->num_bones;
3871 }
3872
3873 // #266 string(float skel, float bonenum) skel_get_bonename = #266; // (FTE_CSQC_SKELETONOBJECTS) returns name of bone (as a tempstring)
3874 static void VM_CL_skel_get_bonename(prvm_prog_t *prog)
3875 {
3876         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3877         int bonenum = (int)PRVM_G_FLOAT(OFS_PARM1) - 1;
3878         skeleton_t *skeleton;
3879         PRVM_G_INT(OFS_RETURN) = 0;
3880         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3881                 return;
3882         if (bonenum < 0 || bonenum >= skeleton->model->num_bones)
3883                 return;
3884         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(prog, skeleton->model->data_bones[bonenum].name);
3885 }
3886
3887 // #267 float(float skel, float bonenum) skel_get_boneparent = #267; // (FTE_CSQC_SKELETONOBJECTS) returns parent num for supplied bonenum, 0 if bonenum has no parent or bone does not exist (returned value is always less than bonenum, you can loop on this)
3888 static void VM_CL_skel_get_boneparent(prvm_prog_t *prog)
3889 {
3890         int skeletonindex = (int)PRVM_G_FLOAT(OFS_PARM0) - 1;
3891         int bonenum = (int)PRVM_G_FLOAT(OFS_PARM1) - 1;
3892         skeleton_t *skeleton;
3893         PRVM_G_FLOAT(OFS_RETURN) = 0;
3894         if (skeletonindex < 0 || skeletonindex >= MAX_EDICTS || !(skeleton = prog->skeletons[skeletonindex]))
3895                 return;
3896         if (bonenum < 0 || bonenum >= skeleton->model->num_bones)
3897                 return;
3898         PRVM_G_FLOAT(OFS_RETURN)&