fix a return value
[divverent/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 sfx_t *S_FindName(const char *name);
27 int Sbar_GetSortedPlayerIndex (int index);
28 void Sbar_SortFrags (void);
29 void CL_FindNonSolidLocation(const vec3_t in, vec3_t out, vec_t radius);
30 void CSQC_RelinkAllEntities (int drawmask);
31 void CSQC_RelinkCSQCEntities (void);
32 const char *Key_GetBind (int key);
33
34 // #1 void(vector ang) makevectors
35 static void VM_CL_makevectors (void)
36 {
37         VM_SAFEPARMCOUNT(1, VM_CL_makevectors);
38         AngleVectors (PRVM_G_VECTOR(OFS_PARM0), prog->globals.client->v_forward, prog->globals.client->v_right, prog->globals.client->v_up);
39 }
40
41 // #2 void(entity e, vector o) setorigin
42 void VM_CL_setorigin (void)
43 {
44         prvm_edict_t    *e;
45         float   *org;
46         VM_SAFEPARMCOUNT(2, VM_CL_setorigin);
47
48         e = PRVM_G_EDICT(OFS_PARM0);
49         if (e == prog->edicts)
50         {
51                 VM_Warning("setorigin: can not modify world entity\n");
52                 return;
53         }
54         if (e->priv.required->free)
55         {
56                 VM_Warning("setorigin: can not modify free entity\n");
57                 return;
58         }
59         org = PRVM_G_VECTOR(OFS_PARM1);
60         VectorCopy (org, e->fields.client->origin);
61         CL_LinkEdict(e);
62 }
63
64 static void SetMinMaxSize (prvm_edict_t *e, float *min, float *max)
65 {
66         int             i;
67
68         for (i=0 ; i<3 ; i++)
69                 if (min[i] > max[i])
70                         PRVM_ERROR("SetMinMaxSize: backwards mins/maxs");
71
72         // set derived values
73         VectorCopy (min, e->fields.client->mins);
74         VectorCopy (max, e->fields.client->maxs);
75         VectorSubtract (max, min, e->fields.client->size);
76
77         CL_LinkEdict (e);
78 }
79
80 // #3 void(entity e, string m) setmodel
81 void VM_CL_setmodel (void)
82 {
83         prvm_edict_t    *e;
84         const char              *m;
85         dp_model_t *mod;
86         int                             i;
87
88         VM_SAFEPARMCOUNT(2, VM_CL_setmodel);
89
90         e = PRVM_G_EDICT(OFS_PARM0);
91         e->fields.client->modelindex = 0;
92         e->fields.client->model = 0;
93
94         m = PRVM_G_STRING(OFS_PARM1);
95         mod = NULL;
96         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
97         {
98                 if (!strcmp(cl.csqc_model_precache[i]->name, m))
99                 {
100                         mod = cl.csqc_model_precache[i];
101                         e->fields.client->model = PRVM_SetEngineString(mod->name);
102                         e->fields.client->modelindex = -(i+1);
103                         break;
104                 }
105         }
106
107         if( !mod ) {
108                 for (i = 0;i < MAX_MODELS;i++)
109                 {
110                         mod = cl.model_precache[i];
111                         if (mod && !strcmp(mod->name, m))
112                         {
113                                 e->fields.client->model = PRVM_SetEngineString(mod->name);
114                                 e->fields.client->modelindex = i;
115                                 break;
116                         }
117                 }
118         }
119
120         if( mod ) {
121                 // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
122                 //SetMinMaxSize (e, mod->normalmins, mod->normalmaxs);
123         }
124         else
125         {
126                 SetMinMaxSize (e, vec3_origin, vec3_origin);
127                 VM_Warning ("setmodel: model '%s' not precached\n", m);
128         }
129 }
130
131 // #4 void(entity e, vector min, vector max) setsize
132 static void VM_CL_setsize (void)
133 {
134         prvm_edict_t    *e;
135         float                   *min, *max;
136         VM_SAFEPARMCOUNT(3, VM_CL_setsize);
137
138         e = PRVM_G_EDICT(OFS_PARM0);
139         if (e == prog->edicts)
140         {
141                 VM_Warning("setsize: can not modify world entity\n");
142                 return;
143         }
144         if (e->priv.server->free)
145         {
146                 VM_Warning("setsize: can not modify free entity\n");
147                 return;
148         }
149         min = PRVM_G_VECTOR(OFS_PARM1);
150         max = PRVM_G_VECTOR(OFS_PARM2);
151
152         SetMinMaxSize( e, min, max );
153
154         CL_LinkEdict(e);
155 }
156
157 // #8 void(entity e, float chan, string samp, float volume, float atten) sound
158 static void VM_CL_sound (void)
159 {
160         const char                      *sample;
161         int                                     channel;
162         prvm_edict_t            *entity;
163         float                           volume;
164         float                           attenuation;
165         vec3_t                          org;
166
167         VM_SAFEPARMCOUNT(5, VM_CL_sound);
168
169         entity = PRVM_G_EDICT(OFS_PARM0);
170         channel = (int)PRVM_G_FLOAT(OFS_PARM1);
171         sample = PRVM_G_STRING(OFS_PARM2);
172         volume = PRVM_G_FLOAT(OFS_PARM3);
173         attenuation = PRVM_G_FLOAT(OFS_PARM4);
174
175         if (volume < 0 || volume > 1)
176         {
177                 VM_Warning("VM_CL_sound: volume must be in range 0-1\n");
178                 return;
179         }
180
181         if (attenuation < 0 || attenuation > 4)
182         {
183                 VM_Warning("VM_CL_sound: attenuation must be in range 0-4\n");
184                 return;
185         }
186
187         if (channel < 0 || channel > 7)
188         {
189                 VM_Warning("VM_CL_sound: channel must be in range 0-7\n");
190                 return;
191         }
192
193         CL_VM_GetEntitySoundOrigin(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), org);
194         S_StartSound(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), channel, S_FindName(sample), org, volume, attenuation);
195 }
196
197 // #483 void(vector origin, string sample, float volume, float attenuation) pointsound
198 static void VM_CL_pointsound(void)
199 {
200         const char                      *sample;
201         float                           volume;
202         float                           attenuation;
203         vec3_t                          org;
204
205         VM_SAFEPARMCOUNT(4, VM_CL_pointsound);
206
207         VectorCopy( PRVM_G_VECTOR(OFS_PARM0), org);
208         sample = PRVM_G_STRING(OFS_PARM1);
209         volume = PRVM_G_FLOAT(OFS_PARM2);
210         attenuation = PRVM_G_FLOAT(OFS_PARM3);
211
212         if (volume < 0 || volume > 1)
213         {
214                 VM_Warning("VM_CL_pointsound: volume must be in range 0-1\n");
215                 return;
216         }
217
218         if (attenuation < 0 || attenuation > 4)
219         {
220                 VM_Warning("VM_CL_pointsound: attenuation must be in range 0-4\n");
221                 return;
222         }
223
224         // Send World Entity as Entity to Play Sound (for CSQC, that is MAX_EDICTS)
225         S_StartSound(MAX_EDICTS, 0, S_FindName(sample), org, volume, attenuation);
226 }
227
228 // #14 entity() spawn
229 static void VM_CL_spawn (void)
230 {
231         prvm_edict_t *ed;
232         ed = PRVM_ED_Alloc();
233         VM_RETURN_EDICT(ed);
234 }
235
236 void CL_VM_SetTraceGlobals(const trace_t *trace, int svent)
237 {
238         prvm_eval_t *val;
239         VM_SetTraceGlobals(trace);
240         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_networkentity)))
241                 val->_float = svent;
242 }
243
244 #define CL_HitNetworkBrushModels(move) !((move) == MOVE_WORLDONLY)
245 #define CL_HitNetworkPlayers(move)     !((move) == MOVE_WORLDONLY || (move) == MOVE_NOMONSTERS)
246
247 // #16 void(vector v1, vector v2, float movetype, entity ignore) traceline
248 static void VM_CL_traceline (void)
249 {
250         float   *v1, *v2;
251         trace_t trace;
252         int             move, svent;
253         prvm_edict_t    *ent;
254
255         VM_SAFEPARMCOUNTRANGE(4, 4, VM_CL_traceline);
256
257         prog->xfunction->builtinsprofile += 30;
258
259         v1 = PRVM_G_VECTOR(OFS_PARM0);
260         v2 = PRVM_G_VECTOR(OFS_PARM1);
261         move = (int)PRVM_G_FLOAT(OFS_PARM2);
262         ent = PRVM_G_EDICT(OFS_PARM3);
263
264         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]))
265                 PRVM_ERROR("%s: NAN errors detected in traceline('%f %f %f', '%f %f %f', %i, entity %i)\n", PRVM_NAME, v1[0], v1[1], v1[2], v2[0], v2[1], v2[2], move, PRVM_EDICT_TO_PROG(ent));
266
267         trace = CL_TraceLine(v1, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
268
269         CL_VM_SetTraceGlobals(&trace, svent);
270 }
271
272 /*
273 =================
274 VM_CL_tracebox
275
276 Used for use tracing and shot targeting
277 Traces are blocked by bbox and exact bsp entityes, and also slide box entities
278 if the tryents flag is set.
279
280 tracebox (vector1, vector mins, vector maxs, vector2, tryents)
281 =================
282 */
283 // LordHavoc: added this for my own use, VERY useful, similar to traceline
284 static void VM_CL_tracebox (void)
285 {
286         float   *v1, *v2, *m1, *m2;
287         trace_t trace;
288         int             move, svent;
289         prvm_edict_t    *ent;
290
291         VM_SAFEPARMCOUNTRANGE(6, 8, VM_CL_tracebox); // allow more parameters for future expansion
292
293         prog->xfunction->builtinsprofile += 30;
294
295         v1 = PRVM_G_VECTOR(OFS_PARM0);
296         m1 = PRVM_G_VECTOR(OFS_PARM1);
297         m2 = PRVM_G_VECTOR(OFS_PARM2);
298         v2 = PRVM_G_VECTOR(OFS_PARM3);
299         move = (int)PRVM_G_FLOAT(OFS_PARM4);
300         ent = PRVM_G_EDICT(OFS_PARM5);
301
302         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]))
303                 PRVM_ERROR("%s: NAN errors detected in tracebox('%f %f %f', '%f %f %f', '%f %f %f', '%f %f %f', %i, entity %i)\n", PRVM_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));
304
305         trace = CL_TraceBox(v1, m1, m2, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
306
307         CL_VM_SetTraceGlobals(&trace, svent);
308 }
309
310 trace_t CL_Trace_Toss (prvm_edict_t *tossent, prvm_edict_t *ignore, int *svent)
311 {
312         int i;
313         float gravity;
314         vec3_t move, end;
315         vec3_t original_origin;
316         vec3_t original_velocity;
317         vec3_t original_angles;
318         vec3_t original_avelocity;
319         prvm_eval_t *val;
320         trace_t trace;
321
322         VectorCopy(tossent->fields.client->origin   , original_origin   );
323         VectorCopy(tossent->fields.client->velocity , original_velocity );
324         VectorCopy(tossent->fields.client->angles   , original_angles   );
325         VectorCopy(tossent->fields.client->avelocity, original_avelocity);
326
327         val = PRVM_EDICTFIELDVALUE(tossent, prog->fieldoffsets.gravity);
328         if (val != NULL && val->_float != 0)
329                 gravity = val->_float;
330         else
331                 gravity = 1.0;
332         gravity *= cl.movevars_gravity * 0.05;
333
334         for (i = 0;i < 200;i++) // LordHavoc: sanity check; never trace more than 10 seconds
335         {
336                 tossent->fields.client->velocity[2] -= gravity;
337                 VectorMA (tossent->fields.client->angles, 0.05, tossent->fields.client->avelocity, tossent->fields.client->angles);
338                 VectorScale (tossent->fields.client->velocity, 0.05, move);
339                 VectorAdd (tossent->fields.client->origin, move, end);
340                 trace = CL_TraceBox(tossent->fields.client->origin, tossent->fields.client->mins, tossent->fields.client->maxs, end, MOVE_NORMAL, tossent, CL_GenericHitSuperContentsMask(tossent), true, true, NULL, true);
341                 VectorCopy (trace.endpos, tossent->fields.client->origin);
342
343                 if (trace.fraction < 1)
344                         break;
345         }
346
347         VectorCopy(original_origin   , tossent->fields.client->origin   );
348         VectorCopy(original_velocity , tossent->fields.client->velocity );
349         VectorCopy(original_angles   , tossent->fields.client->angles   );
350         VectorCopy(original_avelocity, tossent->fields.client->avelocity);
351
352         return trace;
353 }
354
355 static void VM_CL_tracetoss (void)
356 {
357         trace_t trace;
358         prvm_edict_t    *ent;
359         prvm_edict_t    *ignore;
360         int svent = 0;
361
362         prog->xfunction->builtinsprofile += 600;
363
364         VM_SAFEPARMCOUNT(2, VM_CL_tracetoss);
365
366         ent = PRVM_G_EDICT(OFS_PARM0);
367         if (ent == prog->edicts)
368         {
369                 VM_Warning("tracetoss: can not use world entity\n");
370                 return;
371         }
372         ignore = PRVM_G_EDICT(OFS_PARM1);
373
374         trace = CL_Trace_Toss (ent, ignore, &svent);
375
376         CL_VM_SetTraceGlobals(&trace, svent);
377 }
378
379
380 // #20 void(string s) precache_model
381 void VM_CL_precache_model (void)
382 {
383         const char      *name;
384         int                     i;
385         dp_model_t              *m;
386
387         VM_SAFEPARMCOUNT(1, VM_CL_precache_model);
388
389         name = PRVM_G_STRING(OFS_PARM0);
390         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
391         {
392                 if(!strcmp(cl.csqc_model_precache[i]->name, name))
393                 {
394                         PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
395                         return;
396                 }
397         }
398         PRVM_G_FLOAT(OFS_RETURN) = 0;
399         m = Mod_ForName(name, false, false, name[0] == '*' ? cl.model_name[1] : NULL);
400         if(m && m->loaded)
401         {
402                 for (i = 0;i < MAX_MODELS;i++)
403                 {
404                         if (!cl.csqc_model_precache[i])
405                         {
406                                 cl.csqc_model_precache[i] = (dp_model_t*)m;
407                                 PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
408                                 return;
409                         }
410                 }
411                 VM_Warning("VM_CL_precache_model: no free models\n");
412                 return;
413         }
414         VM_Warning("VM_CL_precache_model: model \"%s\" not found\n", name);
415 }
416
417 int CSQC_EntitiesInBox (vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
418 {
419         prvm_edict_t    *ent;
420         int                             i, k;
421
422         ent = PRVM_NEXT_EDICT(prog->edicts);
423         for(k=0,i=1; i<prog->num_edicts ;i++, ent = PRVM_NEXT_EDICT(ent))
424         {
425                 if (ent->priv.required->free)
426                         continue;
427                 if(BoxesOverlap(mins, maxs, ent->fields.client->absmin, ent->fields.client->absmax))
428                         list[k++] = ent;
429         }
430         return k;
431 }
432
433 // #22 entity(vector org, float rad) findradius
434 static void VM_CL_findradius (void)
435 {
436         prvm_edict_t    *ent, *chain;
437         vec_t                   radius, radius2;
438         vec3_t                  org, eorg, mins, maxs;
439         int                             i, numtouchedicts;
440         static prvm_edict_t     *touchedicts[MAX_EDICTS];
441         int             chainfield;
442
443         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_findradius);
444
445         if(prog->argc == 3)
446                 chainfield = PRVM_G_INT(OFS_PARM2);
447         else
448                 chainfield = prog->fieldoffsets.chain;
449         if(chainfield < 0)
450                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
451
452         chain = (prvm_edict_t *)prog->edicts;
453
454         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
455         radius = PRVM_G_FLOAT(OFS_PARM1);
456         radius2 = radius * radius;
457
458         mins[0] = org[0] - (radius + 1);
459         mins[1] = org[1] - (radius + 1);
460         mins[2] = org[2] - (radius + 1);
461         maxs[0] = org[0] + (radius + 1);
462         maxs[1] = org[1] + (radius + 1);
463         maxs[2] = org[2] + (radius + 1);
464         numtouchedicts = CSQC_EntitiesInBox(mins, maxs, MAX_EDICTS, touchedicts);
465         if (numtouchedicts > MAX_EDICTS)
466         {
467                 // this never happens   //[515]: for what then ?
468                 Con_Printf("CSQC_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
469                 numtouchedicts = MAX_EDICTS;
470         }
471         for (i = 0;i < numtouchedicts;i++)
472         {
473                 ent = touchedicts[i];
474                 // Quake did not return non-solid entities but darkplaces does
475                 // (note: this is the reason you can't blow up fallen zombies)
476                 if (ent->fields.client->solid == SOLID_NOT && !sv_gameplayfix_blowupfallenzombies.integer)
477                         continue;
478                 // LordHavoc: compare against bounding box rather than center so it
479                 // doesn't miss large objects, and use DotProduct instead of Length
480                 // for a major speedup
481                 VectorSubtract(org, ent->fields.client->origin, eorg);
482                 if (sv_gameplayfix_findradiusdistancetobox.integer)
483                 {
484                         eorg[0] -= bound(ent->fields.client->mins[0], eorg[0], ent->fields.client->maxs[0]);
485                         eorg[1] -= bound(ent->fields.client->mins[1], eorg[1], ent->fields.client->maxs[1]);
486                         eorg[2] -= bound(ent->fields.client->mins[2], eorg[2], ent->fields.client->maxs[2]);
487                 }
488                 else
489                         VectorMAMAM(1, eorg, -0.5f, ent->fields.client->mins, -0.5f, ent->fields.client->maxs, eorg);
490                 if (DotProduct(eorg, eorg) < radius2)
491                 {
492                         PRVM_EDICTFIELDVALUE(ent, chainfield)->edict = PRVM_EDICT_TO_PROG(chain);
493                         chain = ent;
494                 }
495         }
496
497         VM_RETURN_EDICT(chain);
498 }
499
500 // #34 float() droptofloor
501 static void VM_CL_droptofloor (void)
502 {
503         prvm_edict_t            *ent;
504         prvm_eval_t                     *val;
505         vec3_t                          end;
506         trace_t                         trace;
507
508         VM_SAFEPARMCOUNTRANGE(0, 2, VM_CL_droptofloor); // allow 2 parameters because the id1 defs.qc had an incorrect prototype
509
510         // assume failure if it returns early
511         PRVM_G_FLOAT(OFS_RETURN) = 0;
512
513         ent = PRVM_PROG_TO_EDICT(prog->globals.client->self);
514         if (ent == prog->edicts)
515         {
516                 VM_Warning("droptofloor: can not modify world entity\n");
517                 return;
518         }
519         if (ent->priv.server->free)
520         {
521                 VM_Warning("droptofloor: can not modify free entity\n");
522                 return;
523         }
524
525         VectorCopy (ent->fields.client->origin, end);
526         end[2] -= 256;
527
528         trace = CL_TraceBox(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
529
530         if (trace.fraction != 1)
531         {
532                 VectorCopy (trace.endpos, ent->fields.client->origin);
533                 ent->fields.client->flags = (int)ent->fields.client->flags | FL_ONGROUND;
534                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.groundentity)))
535                         val->edict = PRVM_EDICT_TO_PROG(trace.ent);
536                 PRVM_G_FLOAT(OFS_RETURN) = 1;
537                 // if support is destroyed, keep suspended (gross hack for floating items in various maps)
538 //              ent->priv.server->suspendedinairflag = true;
539         }
540 }
541
542 // #35 void(float style, string value) lightstyle
543 static void VM_CL_lightstyle (void)
544 {
545         int                     i;
546         const char      *c;
547
548         VM_SAFEPARMCOUNT(2, VM_CL_lightstyle);
549
550         i = (int)PRVM_G_FLOAT(OFS_PARM0);
551         c = PRVM_G_STRING(OFS_PARM1);
552         if (i >= cl.max_lightstyle)
553         {
554                 VM_Warning("VM_CL_lightstyle >= MAX_LIGHTSTYLES\n");
555                 return;
556         }
557         strlcpy (cl.lightstyle[i].map, c, sizeof (cl.lightstyle[i].map));
558         cl.lightstyle[i].map[MAX_STYLESTRING - 1] = 0;
559         cl.lightstyle[i].length = (int)strlen(cl.lightstyle[i].map);
560 }
561
562 // #40 float(entity e) checkbottom
563 static void VM_CL_checkbottom (void)
564 {
565         static int              cs_yes, cs_no;
566         prvm_edict_t    *ent;
567         vec3_t                  mins, maxs, start, stop;
568         trace_t                 trace;
569         int                             x, y;
570         float                   mid, bottom;
571
572         VM_SAFEPARMCOUNT(1, VM_CL_checkbottom);
573         ent = PRVM_G_EDICT(OFS_PARM0);
574         PRVM_G_FLOAT(OFS_RETURN) = 0;
575
576         VectorAdd (ent->fields.client->origin, ent->fields.client->mins, mins);
577         VectorAdd (ent->fields.client->origin, ent->fields.client->maxs, maxs);
578
579 // if all of the points under the corners are solid world, don't bother
580 // with the tougher checks
581 // the corners must be within 16 of the midpoint
582         start[2] = mins[2] - 1;
583         for     (x=0 ; x<=1 ; x++)
584                 for     (y=0 ; y<=1 ; y++)
585                 {
586                         start[0] = x ? maxs[0] : mins[0];
587                         start[1] = y ? maxs[1] : mins[1];
588                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
589                                 goto realcheck;
590                 }
591
592         cs_yes++;
593         PRVM_G_FLOAT(OFS_RETURN) = true;
594         return;         // we got out easy
595
596 realcheck:
597         cs_no++;
598 //
599 // check it for real...
600 //
601         start[2] = mins[2];
602
603 // the midpoint must be within 16 of the bottom
604         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
605         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
606         stop[2] = start[2] - 2*sv_stepheight.value;
607         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
608
609         if (trace.fraction == 1.0)
610                 return;
611
612         mid = bottom = trace.endpos[2];
613
614 // the corners must be within 16 of the midpoint
615         for     (x=0 ; x<=1 ; x++)
616                 for     (y=0 ; y<=1 ; y++)
617                 {
618                         start[0] = stop[0] = x ? maxs[0] : mins[0];
619                         start[1] = stop[1] = y ? maxs[1] : mins[1];
620
621                         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
622
623                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
624                                 bottom = trace.endpos[2];
625                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
626                                 return;
627                 }
628
629         cs_yes++;
630         PRVM_G_FLOAT(OFS_RETURN) = true;
631 }
632
633 // #41 float(vector v) pointcontents
634 static void VM_CL_pointcontents (void)
635 {
636         VM_SAFEPARMCOUNT(1, VM_CL_pointcontents);
637         PRVM_G_FLOAT(OFS_RETURN) = Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CL_PointSuperContents(PRVM_G_VECTOR(OFS_PARM0)));
638 }
639
640 // #48 void(vector o, vector d, float color, float count) particle
641 static void VM_CL_particle (void)
642 {
643         float   *org, *dir;
644         int             count;
645         unsigned char   color;
646         VM_SAFEPARMCOUNT(4, VM_CL_particle);
647
648         org = PRVM_G_VECTOR(OFS_PARM0);
649         dir = PRVM_G_VECTOR(OFS_PARM1);
650         color = (int)PRVM_G_FLOAT(OFS_PARM2);
651         count = (int)PRVM_G_FLOAT(OFS_PARM3);
652         CL_ParticleEffect(EFFECT_SVC_PARTICLE, count, org, org, dir, dir, NULL, color);
653 }
654
655 // #74 void(vector pos, string samp, float vol, float atten) ambientsound
656 static void VM_CL_ambientsound (void)
657 {
658         float   *f;
659         sfx_t   *s;
660         VM_SAFEPARMCOUNT(4, VM_CL_ambientsound);
661         s = S_FindName(PRVM_G_STRING(OFS_PARM0));
662         f = PRVM_G_VECTOR(OFS_PARM1);
663         S_StaticSound (s, f, PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM3)*64);
664 }
665
666 // #92 vector(vector org) getlight (DP_QC_GETLIGHT)
667 static void VM_CL_getlight (void)
668 {
669         vec3_t ambientcolor, diffusecolor, diffusenormal;
670         vec_t *p;
671
672         VM_SAFEPARMCOUNT(1, VM_CL_getlight);
673
674         p = PRVM_G_VECTOR(OFS_PARM0);
675         VectorClear(ambientcolor);
676         VectorClear(diffusecolor);
677         VectorClear(diffusenormal);
678         if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
679                 cl.worldmodel->brush.LightPoint(cl.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
680         VectorMA(ambientcolor, 0.5, diffusecolor, PRVM_G_VECTOR(OFS_RETURN));
681 }
682
683
684 //============================================================================
685 //[515]: SCENE MANAGER builtins
686 extern qboolean CSQC_AddRenderEdict (prvm_edict_t *ed, int edictnum);//csprogs.c
687
688 static void CSQC_R_RecalcView (void)
689 {
690         extern matrix4x4_t viewmodelmatrix;
691         Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, cl.csqc_origin[0], cl.csqc_origin[1], cl.csqc_origin[2], cl.csqc_angles[0], cl.csqc_angles[1], cl.csqc_angles[2], 1);
692         Matrix4x4_CreateFromQuakeEntity(&viewmodelmatrix, cl.csqc_origin[0], cl.csqc_origin[1], cl.csqc_origin[2], cl.csqc_angles[0], cl.csqc_angles[1], cl.csqc_angles[2], cl_viewmodel_scale.value);
693 }
694
695 void CL_RelinkLightFlashes(void);
696 //#300 void() clearscene (EXT_CSQC)
697 void VM_CL_R_ClearScene (void)
698 {
699         VM_SAFEPARMCOUNT(0, VM_CL_R_ClearScene);
700         // clear renderable entity and light lists
701         r_refdef.scene.numentities = 0;
702         r_refdef.scene.numlights = 0;
703         // FIXME: restore these to the values from VM_CL_UpdateView
704         r_refdef.view.x = 0;
705         r_refdef.view.y = 0;
706         r_refdef.view.z = 0;
707         r_refdef.view.width = vid.width;
708         r_refdef.view.height = vid.height;
709         r_refdef.view.depth = 1;
710         // FIXME: restore frustum_x/frustum_y
711         r_refdef.view.useperspective = true;
712         r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
713         r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
714         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
715         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
716         r_refdef.view.ortho_x = scr_fov.value * (3.0 / 4.0) * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
717         r_refdef.view.ortho_y = scr_fov.value * (3.0 / 4.0);
718         r_refdef.view.clear = true;
719         r_refdef.view.isoverlay = false;
720         // FIXME: restore cl.csqc_origin
721         // FIXME: restore cl.csqc_angles
722         cl.csqc_vidvars.drawworld = true;
723         cl.csqc_vidvars.drawenginesbar = false;
724         cl.csqc_vidvars.drawcrosshair = false;
725 }
726
727 //#301 void(float mask) addentities (EXT_CSQC)
728 extern void CSQC_Predraw (prvm_edict_t *ed);//csprogs.c
729 extern void CSQC_Think (prvm_edict_t *ed);//csprogs.c
730 void VM_CL_R_AddEntities (void)
731 {
732         double t = Sys_DoubleTime();
733         int                     i, drawmask;
734         prvm_edict_t *ed;
735         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntities);
736         drawmask = (int)PRVM_G_FLOAT(OFS_PARM0);
737         CSQC_RelinkAllEntities(drawmask);
738         CL_RelinkLightFlashes();
739
740         prog->globals.client->time = cl.time;
741         for(i=1;i<prog->num_edicts;i++)
742         {
743                 ed = &prog->edicts[i];
744                 if(ed->priv.required->free)
745                         continue;
746                 CSQC_Think(ed);
747                 if(ed->priv.required->free)
748                         continue;
749                 // note that for RF_USEAXIS entities, Predraw sets v_forward/v_right/v_up globals that are read by CSQC_AddRenderEdict
750                 CSQC_Predraw(ed);
751                 if(ed->priv.required->free)
752                         continue;
753                 if(!((int)ed->fields.client->drawmask & drawmask))
754                         continue;
755                 CSQC_AddRenderEdict(ed, i);
756         }
757
758         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
759         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
760 }
761
762 //#302 void(entity ent) addentity (EXT_CSQC)
763 void VM_CL_R_AddEntity (void)
764 {
765         double t = Sys_DoubleTime();
766         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntity);
767         CSQC_AddRenderEdict(PRVM_G_EDICT(OFS_PARM0), 0);
768         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
769 }
770
771 //#303 float(float property, ...) setproperty (EXT_CSQC)
772 void VM_CL_R_SetView (void)
773 {
774         int             c;
775         float   *f;
776         float   k;
777
778         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_R_SetView);
779
780         c = (int)PRVM_G_FLOAT(OFS_PARM0);
781         f = PRVM_G_VECTOR(OFS_PARM1);
782         k = PRVM_G_FLOAT(OFS_PARM1);
783
784         switch(c)
785         {
786         case VF_MIN:
787                 r_refdef.view.x = (int)(f[0]);
788                 r_refdef.view.y = (int)(f[1]);
789                 break;
790         case VF_MIN_X:
791                 r_refdef.view.x = (int)(k);
792                 break;
793         case VF_MIN_Y:
794                 r_refdef.view.y = (int)(k);
795                 break;
796         case VF_SIZE:
797                 r_refdef.view.width = (int)(f[0]);
798                 r_refdef.view.height = (int)(f[1]);
799                 break;
800         case VF_SIZE_X:
801                 r_refdef.view.width = (int)(k);
802                 break;
803         case VF_SIZE_Y:
804                 r_refdef.view.height = (int)(k);
805                 break;
806         case VF_VIEWPORT:
807                 r_refdef.view.x = (int)(f[0]);
808                 r_refdef.view.y = (int)(f[1]);
809                 f = PRVM_G_VECTOR(OFS_PARM2);
810                 r_refdef.view.width = (int)(f[0]);
811                 r_refdef.view.height = (int)(f[1]);
812                 break;
813         case VF_FOV:
814                 r_refdef.view.frustum_x = tan(f[0] * M_PI / 360.0);r_refdef.view.ortho_x = f[0];
815                 r_refdef.view.frustum_y = tan(f[1] * M_PI / 360.0);r_refdef.view.ortho_y = f[1];
816                 break;
817         case VF_FOVX:
818                 r_refdef.view.frustum_x = tan(k * M_PI / 360.0);r_refdef.view.ortho_x = k;
819                 break;
820         case VF_FOVY:
821                 r_refdef.view.frustum_y = tan(k * M_PI / 360.0);r_refdef.view.ortho_y = k;
822                 break;
823         case VF_ORIGIN:
824                 VectorCopy(f, cl.csqc_origin);
825                 CSQC_R_RecalcView();
826                 break;
827         case VF_ORIGIN_X:
828                 cl.csqc_origin[0] = k;
829                 CSQC_R_RecalcView();
830                 break;
831         case VF_ORIGIN_Y:
832                 cl.csqc_origin[1] = k;
833                 CSQC_R_RecalcView();
834                 break;
835         case VF_ORIGIN_Z:
836                 cl.csqc_origin[2] = k;
837                 CSQC_R_RecalcView();
838                 break;
839         case VF_ANGLES:
840                 VectorCopy(f, cl.csqc_angles);
841                 CSQC_R_RecalcView();
842                 break;
843         case VF_ANGLES_X:
844                 cl.csqc_angles[0] = k;
845                 CSQC_R_RecalcView();
846                 break;
847         case VF_ANGLES_Y:
848                 cl.csqc_angles[1] = k;
849                 CSQC_R_RecalcView();
850                 break;
851         case VF_ANGLES_Z:
852                 cl.csqc_angles[2] = k;
853                 CSQC_R_RecalcView();
854                 break;
855         case VF_DRAWWORLD:
856                 cl.csqc_vidvars.drawworld = k != 0;
857                 break;
858         case VF_DRAWENGINESBAR:
859                 cl.csqc_vidvars.drawenginesbar = k != 0;
860                 break;
861         case VF_DRAWCROSSHAIR:
862                 cl.csqc_vidvars.drawcrosshair = k != 0;
863                 break;
864         case VF_CL_VIEWANGLES:
865                 VectorCopy(f, cl.viewangles);
866                 break;
867         case VF_CL_VIEWANGLES_X:
868                 cl.viewangles[0] = k;
869                 break;
870         case VF_CL_VIEWANGLES_Y:
871                 cl.viewangles[1] = k;
872                 break;
873         case VF_CL_VIEWANGLES_Z:
874                 cl.viewangles[2] = k;
875                 break;
876         case VF_PERSPECTIVE:
877                 r_refdef.view.useperspective = k != 0;
878                 break;
879         case VF_CLEARSCREEN:
880                 r_refdef.view.isoverlay = !k;
881                 break;
882         default:
883                 PRVM_G_FLOAT(OFS_RETURN) = 0;
884                 VM_Warning("VM_CL_R_SetView : unknown parm %i\n", c);
885                 return;
886         }
887         PRVM_G_FLOAT(OFS_RETURN) = 1;
888 }
889
890 //#305 void(vector org, float radius, vector lightcolours[, float style, string cubemapname, float pflags]) adddynamiclight (EXT_CSQC)
891 void VM_CL_R_AddDynamicLight (void)
892 {
893         double t = Sys_DoubleTime();
894         vec_t *org;
895         float radius = 300;
896         vec_t *col;
897         int style = -1;
898         const char *cubemapname = NULL;
899         int pflags = PFLAGS_CORONA | PFLAGS_FULLDYNAMIC;
900         float coronaintensity = 1;
901         float coronasizescale = 0.25;
902         qboolean castshadow = true;
903         float ambientscale = 0;
904         float diffusescale = 1;
905         float specularscale = 1;
906         matrix4x4_t matrix;
907         vec3_t forward, left, up;
908         VM_SAFEPARMCOUNTRANGE(3, 8, VM_CL_R_AddDynamicLight);
909
910         // if we've run out of dlights, just return
911         if (r_refdef.scene.numlights >= MAX_DLIGHTS)
912                 return;
913
914         org = PRVM_G_VECTOR(OFS_PARM0);
915         radius = PRVM_G_FLOAT(OFS_PARM1);
916         col = PRVM_G_VECTOR(OFS_PARM2);
917         if (prog->argc >= 4)
918         {
919                 style = (int)PRVM_G_FLOAT(OFS_PARM3);
920                 if (style >= MAX_LIGHTSTYLES)
921                 {
922                         Con_DPrintf("VM_CL_R_AddDynamicLight: out of bounds lightstyle index %i\n", style);
923                         style = -1;
924                 }
925         }
926         if (prog->argc >= 5)
927                 cubemapname = PRVM_G_STRING(OFS_PARM4);
928         if (prog->argc >= 6)
929                 pflags = (int)PRVM_G_FLOAT(OFS_PARM5);
930         coronaintensity = (pflags & PFLAGS_CORONA) != 0;
931         castshadow = (pflags & PFLAGS_NOSHADOW) == 0;
932
933         VectorScale(prog->globals.client->v_forward, radius, forward);
934         VectorScale(prog->globals.client->v_right, -radius, left);
935         VectorScale(prog->globals.client->v_up, radius, up);
936         Matrix4x4_FromVectors(&matrix, forward, left, up, org);
937
938         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);
939         r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
940         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
941 }
942
943 //============================================================================
944
945 //#310 vector (vector v) cs_unproject (EXT_CSQC)
946 static void VM_CL_unproject (void)
947 {
948         float   *f;
949         vec3_t  temp;
950
951         VM_SAFEPARMCOUNT(1, VM_CL_unproject);
952         f = PRVM_G_VECTOR(OFS_PARM0);
953         if(v_flipped.integer)
954                 f[0] = (2 * r_refdef.view.x + r_refdef.view.width) * (vid_conwidth.integer / (float) vid.width) - f[0];
955         VectorSet(temp,
956                 f[2],
957                 (-1.0 + 2.0 * (f[0] / (vid_conwidth.integer / (float) vid.width) - r_refdef.view.x) / r_refdef.view.width) * f[2] * -r_refdef.view.frustum_x,
958                 (-1.0 + 2.0 * (f[1] / (vid_conheight.integer / (float) vid.height) - r_refdef.view.y) / r_refdef.view.height) * f[2] * -r_refdef.view.frustum_y);
959         Matrix4x4_Transform(&r_refdef.view.matrix, temp, PRVM_G_VECTOR(OFS_RETURN));
960 }
961
962 //#311 vector (vector v) cs_project (EXT_CSQC)
963 static void VM_CL_project (void)
964 {
965         float   *f;
966         vec3_t  v;
967         matrix4x4_t m;
968
969         VM_SAFEPARMCOUNT(1, VM_CL_project);
970         f = PRVM_G_VECTOR(OFS_PARM0);
971         Matrix4x4_Invert_Simple(&m, &r_refdef.view.matrix);
972         Matrix4x4_Transform(&m, f, v);
973         if(v_flipped.integer)
974                 v[1] = -v[1];
975         VectorSet(PRVM_G_VECTOR(OFS_RETURN),
976                 (vid_conwidth.integer / (float) vid.width) * (r_refdef.view.x + r_refdef.view.width*0.5*(1.0+v[1]/v[0]/-r_refdef.view.frustum_x)),
977                 (vid_conheight.integer / (float) vid.height) * (r_refdef.view.y + r_refdef.view.height*0.5*(1.0+v[2]/v[0]/-r_refdef.view.frustum_y)),
978                 v[0]);
979 }
980
981 //#330 float(float stnum) getstatf (EXT_CSQC)
982 static void VM_CL_getstatf (void)
983 {
984         int i;
985         union
986         {
987                 float f;
988                 int l;
989         }dat;
990         VM_SAFEPARMCOUNT(1, VM_CL_getstatf);
991         i = (int)PRVM_G_FLOAT(OFS_PARM0);
992         if(i < 0 || i >= MAX_CL_STATS)
993         {
994                 VM_Warning("VM_CL_getstatf: index>=MAX_CL_STATS or index<0\n");
995                 return;
996         }
997         dat.l = cl.stats[i];
998         PRVM_G_FLOAT(OFS_RETURN) =  dat.f;
999 }
1000
1001 //#331 float(float stnum) getstati (EXT_CSQC)
1002 static void VM_CL_getstati (void)
1003 {
1004         int i, index;
1005         int firstbit, bitcount;
1006
1007         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getstati);
1008
1009         index = (int)PRVM_G_FLOAT(OFS_PARM0);
1010         if (prog->argc > 1)
1011         {
1012                 firstbit = (int)PRVM_G_FLOAT(OFS_PARM1);
1013                 if (prog->argc > 2)
1014                         bitcount = (int)PRVM_G_FLOAT(OFS_PARM2);
1015                 else
1016                         bitcount = 1;
1017         }
1018         else
1019         {
1020                 firstbit = 0;
1021                 bitcount = 32;
1022         }
1023
1024         if(index < 0 || index >= MAX_CL_STATS)
1025         {
1026                 VM_Warning("VM_CL_getstati: index>=MAX_CL_STATS or index<0\n");
1027                 return;
1028         }
1029         i = cl.stats[index];
1030         if (bitcount != 32)     //32 causes the mask to overflow, so there's nothing to subtract from.
1031                 i = (((unsigned int)i)&(((1<<bitcount)-1)<<firstbit))>>firstbit;
1032         PRVM_G_FLOAT(OFS_RETURN) = i;
1033 }
1034
1035 //#332 string(float firststnum) getstats (EXT_CSQC)
1036 static void VM_CL_getstats (void)
1037 {
1038         int i;
1039         char t[17];
1040         VM_SAFEPARMCOUNT(1, VM_CL_getstats);
1041         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1042         if(i < 0 || i > MAX_CL_STATS-4)
1043         {
1044                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1045                 VM_Warning("VM_CL_getstats: index>MAX_CL_STATS-4 or index<0\n");
1046                 return;
1047         }
1048         strlcpy(t, (char*)&cl.stats[i], sizeof(t));
1049         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
1050 }
1051
1052 //#333 void(entity e, float mdlindex) setmodelindex (EXT_CSQC)
1053 static void VM_CL_setmodelindex (void)
1054 {
1055         int                             i;
1056         prvm_edict_t    *t;
1057         struct model_s  *model;
1058
1059         VM_SAFEPARMCOUNT(2, VM_CL_setmodelindex);
1060
1061         t = PRVM_G_EDICT(OFS_PARM0);
1062
1063         i = (int)PRVM_G_FLOAT(OFS_PARM1);
1064
1065         t->fields.client->model = 0;
1066         t->fields.client->modelindex = 0;
1067
1068         if (!i)
1069                 return;
1070
1071         model = CL_GetModelByIndex(i);
1072         if (!model)
1073         {
1074                 VM_Warning("VM_CL_setmodelindex: null model\n");
1075                 return;
1076         }
1077         t->fields.client->model = PRVM_SetEngineString(model->name);
1078         t->fields.client->modelindex = i;
1079
1080         // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
1081         if (model)
1082         {
1083                 SetMinMaxSize (t, model->normalmins, model->normalmaxs);
1084         }
1085         else
1086                 SetMinMaxSize (t, vec3_origin, vec3_origin);
1087 }
1088
1089 //#334 string(float mdlindex) modelnameforindex (EXT_CSQC)
1090 static void VM_CL_modelnameforindex (void)
1091 {
1092         dp_model_t *model;
1093
1094         VM_SAFEPARMCOUNT(1, VM_CL_modelnameforindex);
1095
1096         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1097         model = CL_GetModelByIndex((int)PRVM_G_FLOAT(OFS_PARM0));
1098         PRVM_G_INT(OFS_RETURN) = model ? PRVM_SetEngineString(model->name) : 0;
1099 }
1100
1101 //#335 float(string effectname) particleeffectnum (EXT_CSQC)
1102 static void VM_CL_particleeffectnum (void)
1103 {
1104         int                     i;
1105         VM_SAFEPARMCOUNT(1, VM_CL_particleeffectnum);
1106         i = CL_ParticleEffectIndexForName(PRVM_G_STRING(OFS_PARM0));
1107         if (i == 0)
1108                 i = -1;
1109         PRVM_G_FLOAT(OFS_RETURN) = i;
1110 }
1111
1112 // #336 void(entity ent, float effectnum, vector start, vector end[, float color]) trailparticles (EXT_CSQC)
1113 static void VM_CL_trailparticles (void)
1114 {
1115         int                             i;
1116         float                   *start, *end;
1117         prvm_edict_t    *t;
1118         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_trailparticles);
1119
1120         t = PRVM_G_EDICT(OFS_PARM0);
1121         i               = (int)PRVM_G_FLOAT(OFS_PARM1);
1122         start   = PRVM_G_VECTOR(OFS_PARM2);
1123         end             = PRVM_G_VECTOR(OFS_PARM3);
1124
1125         if (i < 0)
1126                 return;
1127         CL_ParticleEffect(i, VectorDistance(start, end), start, end, t->fields.client->velocity, t->fields.client->velocity, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1128 }
1129
1130 //#337 void(float effectnum, vector origin, vector dir, float count[, float color]) pointparticles (EXT_CSQC)
1131 static void VM_CL_pointparticles (void)
1132 {
1133         int                     i, n;
1134         float           *f, *v;
1135         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_pointparticles);
1136         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1137         f = PRVM_G_VECTOR(OFS_PARM1);
1138         v = PRVM_G_VECTOR(OFS_PARM2);
1139         n = (int)PRVM_G_FLOAT(OFS_PARM3);
1140         if (i < 0)
1141                 return;
1142         CL_ParticleEffect(i, n, f, f, v, v, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1143 }
1144
1145 //#342 string(float keynum) getkeybind (EXT_CSQC)
1146 static void VM_CL_getkeybind (void)
1147 {
1148         VM_SAFEPARMCOUNT(1, VM_CL_getkeybind);
1149         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0)));
1150 }
1151
1152 //#343 void(float usecursor) setcursormode (EXT_CSQC)
1153 static void VM_CL_setcursormode (void)
1154 {
1155         VM_SAFEPARMCOUNT(1, VM_CL_setcursormode);
1156         cl.csqc_wantsmousemove = PRVM_G_FLOAT(OFS_PARM0) != 0;
1157         cl_ignoremousemoves = 2;
1158 }
1159
1160 //#344 vector() getmousepos (EXT_CSQC)
1161 static void VM_CL_getmousepos(void)
1162 {
1163         VM_SAFEPARMCOUNT(0,VM_CL_getmousepos);
1164
1165         if (key_consoleactive || key_dest != key_game)
1166                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), 0, 0, 0);
1167         else if (cl.csqc_wantsmousemove)
1168                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_windowmouse_x * vid_conwidth.integer / vid.width, in_windowmouse_y * vid_conheight.integer / vid.height, 0);
1169         else
1170                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_mouse_x * vid_conwidth.integer / vid.width, in_mouse_y * vid_conheight.integer / vid.height, 0);
1171 }
1172
1173 //#345 float(float framenum) getinputstate (EXT_CSQC)
1174 static void VM_CL_getinputstate (void)
1175 {
1176         int i, frame;
1177         VM_SAFEPARMCOUNT(1, VM_CL_getinputstate);
1178         frame = (int)PRVM_G_FLOAT(OFS_PARM0);
1179         PRVM_G_FLOAT(OFS_RETURN) = false;
1180         for (i = 0;i < CL_MAX_USERCMDS;i++)
1181         {
1182                 if (cl.movecmd[i].sequence == frame)
1183                 {
1184                         VectorCopy(cl.movecmd[i].viewangles, prog->globals.client->input_angles);
1185                         prog->globals.client->input_buttons = cl.movecmd[i].buttons; // FIXME: this should not be directly exposed to csqc (translation layer needed?)
1186                         prog->globals.client->input_movevalues[0] = cl.movecmd[i].forwardmove;
1187                         prog->globals.client->input_movevalues[1] = cl.movecmd[i].sidemove;
1188                         prog->globals.client->input_movevalues[2] = cl.movecmd[i].upmove;
1189                         prog->globals.client->input_timelength = cl.movecmd[i].frametime;
1190                         if(cl.movecmd[i].crouch)
1191                         {
1192                                 VectorCopy(cl.playercrouchmins, prog->globals.client->pmove_mins);
1193                                 VectorCopy(cl.playercrouchmaxs, prog->globals.client->pmove_maxs);
1194                         }
1195                         else
1196                         {
1197                                 VectorCopy(cl.playerstandmins, prog->globals.client->pmove_mins);
1198                                 VectorCopy(cl.playerstandmaxs, prog->globals.client->pmove_maxs);
1199                         }
1200                         PRVM_G_FLOAT(OFS_RETURN) = true;
1201                 }
1202         }
1203 }
1204
1205 //#346 void(float sens) setsensitivityscaler (EXT_CSQC)
1206 static void VM_CL_setsensitivityscale (void)
1207 {
1208         VM_SAFEPARMCOUNT(1, VM_CL_setsensitivityscale);
1209         cl.sensitivityscale = PRVM_G_FLOAT(OFS_PARM0);
1210 }
1211
1212 //#347 void() runstandardplayerphysics (EXT_CSQC)
1213 static void VM_CL_runplayerphysics (void)
1214 {
1215 }
1216
1217 //#348 string(float playernum, string keyname) getplayerkeyvalue (EXT_CSQC)
1218 static void VM_CL_getplayerkey (void)
1219 {
1220         int                     i;
1221         char            t[128];
1222         const char      *c;
1223
1224         VM_SAFEPARMCOUNT(2, VM_CL_getplayerkey);
1225
1226         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1227         c = PRVM_G_STRING(OFS_PARM1);
1228         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1229         Sbar_SortFrags();
1230
1231         if (i < 0)
1232                 i = Sbar_GetSortedPlayerIndex(-1-i);
1233         if(i < 0 || i >= cl.maxclients)
1234                 return;
1235
1236         t[0] = 0;
1237
1238         if(!strcasecmp(c, "name"))
1239                 strlcpy(t, cl.scores[i].name, sizeof(t));
1240         else
1241                 if(!strcasecmp(c, "frags"))
1242                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].frags);
1243         else
1244                 if(!strcasecmp(c, "ping"))
1245                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_ping);
1246         else
1247                 if(!strcasecmp(c, "pl"))
1248                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_packetloss);
1249         else
1250                 if(!strcasecmp(c, "movementloss"))
1251                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_movementloss);
1252         else
1253                 if(!strcasecmp(c, "entertime"))
1254                         dpsnprintf(t, sizeof(t), "%f", cl.scores[i].qw_entertime);
1255         else
1256                 if(!strcasecmp(c, "colors"))
1257                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors);
1258         else
1259                 if(!strcasecmp(c, "topcolor"))
1260                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors & 0xf0);
1261         else
1262                 if(!strcasecmp(c, "bottomcolor"))
1263                         dpsnprintf(t, sizeof(t), "%i", (cl.scores[i].colors &15)<<4);
1264         else
1265                 if(!strcasecmp(c, "viewentity"))
1266                         dpsnprintf(t, sizeof(t), "%i", i+1);
1267         if(!t[0])
1268                 return;
1269         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
1270 }
1271
1272 //#349 float() isdemo (EXT_CSQC)
1273 static void VM_CL_isdemo (void)
1274 {
1275         VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
1276         PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
1277 }
1278
1279 //#351 void(vector origin, vector forward, vector right, vector up) SetListener (EXT_CSQC)
1280 static void VM_CL_setlistener (void)
1281 {
1282         VM_SAFEPARMCOUNT(4, VM_CL_setlistener);
1283         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));
1284         cl.csqc_usecsqclistener = true; //use csqc listener at this frame
1285 }
1286
1287 //#352 void(string cmdname) registercommand (EXT_CSQC)
1288 static void VM_CL_registercmd (void)
1289 {
1290         char *t;
1291         VM_SAFEPARMCOUNT(1, VM_CL_registercmd);
1292         if(!Cmd_Exists(PRVM_G_STRING(OFS_PARM0)))
1293         {
1294                 size_t alloclen;
1295
1296                 alloclen = strlen(PRVM_G_STRING(OFS_PARM0)) + 1;
1297                 t = (char *)Z_Malloc(alloclen);
1298                 memcpy(t, PRVM_G_STRING(OFS_PARM0), alloclen);
1299                 Cmd_AddCommand(t, NULL, "console command created by QuakeC");
1300         }
1301         else
1302                 Cmd_AddCommand(PRVM_G_STRING(OFS_PARM0), NULL, "console command created by QuakeC");
1303
1304 }
1305
1306 //#360 float() readbyte (EXT_CSQC)
1307 static void VM_CL_ReadByte (void)
1308 {
1309         VM_SAFEPARMCOUNT(0, VM_CL_ReadByte);
1310         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadByte();
1311 }
1312
1313 //#361 float() readchar (EXT_CSQC)
1314 static void VM_CL_ReadChar (void)
1315 {
1316         VM_SAFEPARMCOUNT(0, VM_CL_ReadChar);
1317         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadChar();
1318 }
1319
1320 //#362 float() readshort (EXT_CSQC)
1321 static void VM_CL_ReadShort (void)
1322 {
1323         VM_SAFEPARMCOUNT(0, VM_CL_ReadShort);
1324         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadShort();
1325 }
1326
1327 //#363 float() readlong (EXT_CSQC)
1328 static void VM_CL_ReadLong (void)
1329 {
1330         VM_SAFEPARMCOUNT(0, VM_CL_ReadLong);
1331         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadLong();
1332 }
1333
1334 //#364 float() readcoord (EXT_CSQC)
1335 static void VM_CL_ReadCoord (void)
1336 {
1337         VM_SAFEPARMCOUNT(0, VM_CL_ReadCoord);
1338         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadCoord(cls.protocol);
1339 }
1340
1341 //#365 float() readangle (EXT_CSQC)
1342 static void VM_CL_ReadAngle (void)
1343 {
1344         VM_SAFEPARMCOUNT(0, VM_CL_ReadAngle);
1345         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadAngle(cls.protocol);
1346 }
1347
1348 //#366 string() readstring (EXT_CSQC)
1349 static void VM_CL_ReadString (void)
1350 {
1351         VM_SAFEPARMCOUNT(0, VM_CL_ReadString);
1352         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(MSG_ReadString());
1353 }
1354
1355 //#367 float() readfloat (EXT_CSQC)
1356 static void VM_CL_ReadFloat (void)
1357 {
1358         VM_SAFEPARMCOUNT(0, VM_CL_ReadFloat);
1359         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadFloat();
1360 }
1361
1362 //#501 string() readpicture (DP_CSQC_READWRITEPICTURE)
1363 extern cvar_t cl_readpicture_force;
1364 static void VM_CL_ReadPicture (void)
1365 {
1366         const char *name;
1367         unsigned char *data;
1368         unsigned char *buf;
1369         int size;
1370         int i;
1371         cachepic_t *pic;
1372
1373         VM_SAFEPARMCOUNT(0, VM_CL_ReadPicture);
1374
1375         name = MSG_ReadString();
1376         size = MSG_ReadShort();
1377
1378         // check if a texture of that name exists
1379         // if yes, it is used and the data is discarded
1380         // if not, the (low quality) data is used to build a new texture, whose name will get returned
1381
1382         pic = Draw_CachePic_Flags (name, CACHEPICFLAG_NOTPERSISTENT);
1383
1384         if(size)
1385         {
1386                 if(pic->tex == r_texture_notexture)
1387                         pic->tex = NULL; // don't overwrite the notexture by Draw_NewPic
1388                 if(pic->tex && !cl_readpicture_force.integer)
1389                 {
1390                         // texture found and loaded
1391                         // skip over the jpeg as we don't need it
1392                         for(i = 0; i < size; ++i)
1393                                 MSG_ReadByte();
1394                 }
1395                 else
1396                 {
1397                         // texture not found
1398                         // use the attached jpeg as texture
1399                         buf = (unsigned char *) Mem_Alloc(tempmempool, size);
1400                         MSG_ReadBytes(size, buf);
1401                         data = JPEG_LoadImage_BGRA(buf, size);
1402                         Mem_Free(buf);
1403                         Draw_NewPic(name, image_width, image_height, false, data);
1404                         Mem_Free(data);
1405                 }
1406         }
1407
1408         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(name);
1409 }
1410
1411 //////////////////////////////////////////////////////////
1412
1413 static void VM_CL_makestatic (void)
1414 {
1415         prvm_edict_t *ent;
1416
1417         VM_SAFEPARMCOUNT(1, VM_CL_makestatic);
1418
1419         ent = PRVM_G_EDICT(OFS_PARM0);
1420         if (ent == prog->edicts)
1421         {
1422                 VM_Warning("makestatic: can not modify world entity\n");
1423                 return;
1424         }
1425         if (ent->priv.server->free)
1426         {
1427                 VM_Warning("makestatic: can not modify free entity\n");
1428                 return;
1429         }
1430
1431         if (cl.num_static_entities < cl.max_static_entities)
1432         {
1433                 int renderflags;
1434                 prvm_eval_t *val;
1435                 entity_t *staticent = &cl.static_entities[cl.num_static_entities++];
1436
1437                 // copy it to the current state
1438                 memset(staticent, 0, sizeof(*staticent));
1439                 staticent->render.model = CL_GetModelByIndex((int)ent->fields.client->modelindex);
1440                 staticent->render.framegroupblend[0].frame = (int)ent->fields.client->frame;
1441                 staticent->render.framegroupblend[0].lerp = 1;
1442                 // make torchs play out of sync
1443                 staticent->render.framegroupblend[0].start = lhrandom(-10, -1);
1444                 staticent->render.skinnum = (int)ent->fields.client->skin;
1445                 staticent->render.effects = (int)ent->fields.client->effects;
1446                 staticent->render.alpha = 1;
1447                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)) && val->_float) staticent->render.alpha = val->_float;
1448                 staticent->render.scale = 1;
1449                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)) && val->_float) staticent->render.scale = val->_float;
1450                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, staticent->render.colormod);
1451                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod)) && VectorLength2(val->vector)) VectorCopy(val->vector, staticent->render.glowmod);
1452                 if (!VectorLength2(staticent->render.colormod))
1453                         VectorSet(staticent->render.colormod, 1, 1, 1);
1454                 if (!VectorLength2(staticent->render.glowmod))
1455                         VectorSet(staticent->render.glowmod, 1, 1, 1);
1456
1457                 renderflags = 0;
1458                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderflags)) && val->_float) renderflags = (int)val->_float;
1459                 if (renderflags & RF_USEAXIS)
1460                 {
1461                         vec3_t left;
1462                         VectorNegate(prog->globals.client->v_right, left);
1463                         Matrix4x4_FromVectors(&staticent->render.matrix, prog->globals.client->v_forward, left, prog->globals.client->v_up, ent->fields.client->origin);
1464                         Matrix4x4_Scale(&staticent->render.matrix, staticent->render.scale, 1);
1465                 }
1466                 else
1467                         Matrix4x4_CreateFromQuakeEntity(&staticent->render.matrix, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2], ent->fields.client->angles[0], ent->fields.client->angles[1], ent->fields.client->angles[2], staticent->render.scale);
1468
1469                 // either fullbright or lit
1470                 if(!r_fullbright.integer)
1471                 {
1472                         if (!(staticent->render.effects & EF_FULLBRIGHT))
1473                                 staticent->render.flags |= RENDER_LIGHT;
1474                         else if(r_equalize_entities_fullbright.integer)
1475                                 staticent->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1476                 }
1477                 // turn off shadows from transparent objects
1478                 if (!(staticent->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (staticent->render.alpha >= 1))
1479                         staticent->render.flags |= RENDER_SHADOW;
1480                 if (staticent->render.effects & EF_NODEPTHTEST)
1481                         staticent->render.flags |= RENDER_NODEPTHTEST;
1482                 if (staticent->render.effects & EF_ADDITIVE)
1483                         staticent->render.flags |= RENDER_ADDITIVE;
1484                 if (staticent->render.effects & EF_DOUBLESIDED)
1485                         staticent->render.flags |= RENDER_DOUBLESIDED;
1486
1487                 staticent->render.allowdecals = true;
1488                 CL_UpdateRenderEntity(&staticent->render);
1489         }
1490         else
1491                 Con_Printf("Too many static entities");
1492
1493 // throw the entity away now
1494         PRVM_ED_Free (ent);
1495 }
1496
1497 //=================================================================//
1498
1499 /*
1500 =================
1501 VM_CL_copyentity
1502
1503 copies data from one entity to another
1504
1505 copyentity(src, dst)
1506 =================
1507 */
1508 static void VM_CL_copyentity (void)
1509 {
1510         prvm_edict_t *in, *out;
1511         VM_SAFEPARMCOUNT(2, VM_CL_copyentity);
1512         in = PRVM_G_EDICT(OFS_PARM0);
1513         if (in == prog->edicts)
1514         {
1515                 VM_Warning("copyentity: can not read world entity\n");
1516                 return;
1517         }
1518         if (in->priv.server->free)
1519         {
1520                 VM_Warning("copyentity: can not read free entity\n");
1521                 return;
1522         }
1523         out = PRVM_G_EDICT(OFS_PARM1);
1524         if (out == prog->edicts)
1525         {
1526                 VM_Warning("copyentity: can not modify world entity\n");
1527                 return;
1528         }
1529         if (out->priv.server->free)
1530         {
1531                 VM_Warning("copyentity: can not modify free entity\n");
1532                 return;
1533         }
1534         memcpy(out->fields.vp, in->fields.vp, prog->progs->entityfields * 4);
1535         CL_LinkEdict(out);
1536 }
1537
1538 //=================================================================//
1539
1540 // #404 void(vector org, string modelname, float startframe, float endframe, float framerate) effect (DP_SV_EFFECT)
1541 static void VM_CL_effect (void)
1542 {
1543         VM_SAFEPARMCOUNT(5, VM_CL_effect);
1544         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));
1545 }
1546
1547 // #405 void(vector org, vector velocity, float howmany) te_blood (DP_TE_BLOOD)
1548 static void VM_CL_te_blood (void)
1549 {
1550         float   *pos;
1551         vec3_t  pos2;
1552         VM_SAFEPARMCOUNT(3, VM_CL_te_blood);
1553         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1554                 return;
1555         pos = PRVM_G_VECTOR(OFS_PARM0);
1556         CL_FindNonSolidLocation(pos, pos2, 4);
1557         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1558 }
1559
1560 // #406 void(vector mincorner, vector maxcorner, float explosionspeed, float howmany) te_bloodshower (DP_TE_BLOODSHOWER)
1561 static void VM_CL_te_bloodshower (void)
1562 {
1563         vec_t speed;
1564         vec3_t vel1, vel2;
1565         VM_SAFEPARMCOUNT(4, VM_CL_te_bloodshower);
1566         if (PRVM_G_FLOAT(OFS_PARM3) < 1)
1567                 return;
1568         speed = PRVM_G_FLOAT(OFS_PARM2);
1569         vel1[0] = -speed;
1570         vel1[1] = -speed;
1571         vel1[2] = -speed;
1572         vel2[0] = speed;
1573         vel2[1] = speed;
1574         vel2[2] = speed;
1575         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM3), PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), vel1, vel2, NULL, 0);
1576 }
1577
1578 // #407 void(vector org, vector color) te_explosionrgb (DP_TE_EXPLOSIONRGB)
1579 static void VM_CL_te_explosionrgb (void)
1580 {
1581         float           *pos;
1582         vec3_t          pos2;
1583         matrix4x4_t     tempmatrix;
1584         VM_SAFEPARMCOUNT(2, VM_CL_te_explosionrgb);
1585         pos = PRVM_G_VECTOR(OFS_PARM0);
1586         CL_FindNonSolidLocation(pos, pos2, 10);
1587         CL_ParticleExplosion(pos2);
1588         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1589         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);
1590 }
1591
1592 // #408 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color, float gravityflag, float randomveljitter) te_particlecube (DP_TE_PARTICLECUBE)
1593 static void VM_CL_te_particlecube (void)
1594 {
1595         VM_SAFEPARMCOUNT(7, VM_CL_te_particlecube);
1596         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));
1597 }
1598
1599 // #409 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlerain (DP_TE_PARTICLERAIN)
1600 static void VM_CL_te_particlerain (void)
1601 {
1602         VM_SAFEPARMCOUNT(5, VM_CL_te_particlerain);
1603         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);
1604 }
1605
1606 // #410 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlesnow (DP_TE_PARTICLESNOW)
1607 static void VM_CL_te_particlesnow (void)
1608 {
1609         VM_SAFEPARMCOUNT(5, VM_CL_te_particlesnow);
1610         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);
1611 }
1612
1613 // #411 void(vector org, vector vel, float howmany) te_spark
1614 static void VM_CL_te_spark (void)
1615 {
1616         float           *pos;
1617         vec3_t          pos2;
1618         VM_SAFEPARMCOUNT(3, VM_CL_te_spark);
1619
1620         pos = PRVM_G_VECTOR(OFS_PARM0);
1621         CL_FindNonSolidLocation(pos, pos2, 4);
1622         CL_ParticleEffect(EFFECT_TE_SPARK, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1623 }
1624
1625 extern cvar_t cl_sound_ric_gunshot;
1626 // #412 void(vector org) te_gunshotquad (DP_QUADEFFECTS1)
1627 static void VM_CL_te_gunshotquad (void)
1628 {
1629         float           *pos;
1630         vec3_t          pos2;
1631         int                     rnd;
1632         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshotquad);
1633
1634         pos = PRVM_G_VECTOR(OFS_PARM0);
1635         CL_FindNonSolidLocation(pos, pos2, 4);
1636         CL_ParticleEffect(EFFECT_TE_GUNSHOTQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1637         if(cl_sound_ric_gunshot.integer >= 2)
1638         {
1639                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1640                 else
1641                 {
1642                         rnd = rand() & 3;
1643                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1644                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1645                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1646                 }
1647         }
1648 }
1649
1650 // #413 void(vector org) te_spikequad (DP_QUADEFFECTS1)
1651 static void VM_CL_te_spikequad (void)
1652 {
1653         float           *pos;
1654         vec3_t          pos2;
1655         int                     rnd;
1656         VM_SAFEPARMCOUNT(1, VM_CL_te_spikequad);
1657
1658         pos = PRVM_G_VECTOR(OFS_PARM0);
1659         CL_FindNonSolidLocation(pos, pos2, 4);
1660         CL_ParticleEffect(EFFECT_TE_SPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1661         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1662         else
1663         {
1664                 rnd = rand() & 3;
1665                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1666                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1667                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1668         }
1669 }
1670
1671 // #414 void(vector org) te_superspikequad (DP_QUADEFFECTS1)
1672 static void VM_CL_te_superspikequad (void)
1673 {
1674         float           *pos;
1675         vec3_t          pos2;
1676         int                     rnd;
1677         VM_SAFEPARMCOUNT(1, VM_CL_te_superspikequad);
1678
1679         pos = PRVM_G_VECTOR(OFS_PARM0);
1680         CL_FindNonSolidLocation(pos, pos2, 4);
1681         CL_ParticleEffect(EFFECT_TE_SUPERSPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1682         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos, 1, 1);
1683         else
1684         {
1685                 rnd = rand() & 3;
1686                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1687                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1688                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1689         }
1690 }
1691
1692 // #415 void(vector org) te_explosionquad (DP_QUADEFFECTS1)
1693 static void VM_CL_te_explosionquad (void)
1694 {
1695         float           *pos;
1696         vec3_t          pos2;
1697         VM_SAFEPARMCOUNT(1, VM_CL_te_explosionquad);
1698
1699         pos = PRVM_G_VECTOR(OFS_PARM0);
1700         CL_FindNonSolidLocation(pos, pos2, 10);
1701         CL_ParticleEffect(EFFECT_TE_EXPLOSIONQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1702         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1703 }
1704
1705 // #416 void(vector org) te_smallflash (DP_TE_SMALLFLASH)
1706 static void VM_CL_te_smallflash (void)
1707 {
1708         float           *pos;
1709         vec3_t          pos2;
1710         VM_SAFEPARMCOUNT(1, VM_CL_te_smallflash);
1711
1712         pos = PRVM_G_VECTOR(OFS_PARM0);
1713         CL_FindNonSolidLocation(pos, pos2, 10);
1714         CL_ParticleEffect(EFFECT_TE_SMALLFLASH, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1715 }
1716
1717 // #417 void(vector org, float radius, float lifetime, vector color) te_customflash (DP_TE_CUSTOMFLASH)
1718 static void VM_CL_te_customflash (void)
1719 {
1720         float           *pos;
1721         vec3_t          pos2;
1722         matrix4x4_t     tempmatrix;
1723         VM_SAFEPARMCOUNT(4, VM_CL_te_customflash);
1724
1725         pos = PRVM_G_VECTOR(OFS_PARM0);
1726         CL_FindNonSolidLocation(pos, pos2, 4);
1727         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1728         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);
1729 }
1730
1731 // #418 void(vector org) te_gunshot (DP_TE_STANDARDEFFECTBUILTINS)
1732 static void VM_CL_te_gunshot (void)
1733 {
1734         float           *pos;
1735         vec3_t          pos2;
1736         int                     rnd;
1737         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshot);
1738
1739         pos = PRVM_G_VECTOR(OFS_PARM0);
1740         CL_FindNonSolidLocation(pos, pos2, 4);
1741         CL_ParticleEffect(EFFECT_TE_GUNSHOT, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1742         if(cl_sound_ric_gunshot.integer == 1 || cl_sound_ric_gunshot.integer == 3)
1743         {
1744                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1745                 else
1746                 {
1747                         rnd = rand() & 3;
1748                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1749                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1750                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1751                 }
1752         }
1753 }
1754
1755 // #419 void(vector org) te_spike (DP_TE_STANDARDEFFECTBUILTINS)
1756 static void VM_CL_te_spike (void)
1757 {
1758         float           *pos;
1759         vec3_t          pos2;
1760         int                     rnd;
1761         VM_SAFEPARMCOUNT(1, VM_CL_te_spike);
1762
1763         pos = PRVM_G_VECTOR(OFS_PARM0);
1764         CL_FindNonSolidLocation(pos, pos2, 4);
1765         CL_ParticleEffect(EFFECT_TE_SPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1766         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1767         else
1768         {
1769                 rnd = rand() & 3;
1770                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1771                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1772                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1773         }
1774 }
1775
1776 // #420 void(vector org) te_superspike (DP_TE_STANDARDEFFECTBUILTINS)
1777 static void VM_CL_te_superspike (void)
1778 {
1779         float           *pos;
1780         vec3_t          pos2;
1781         int                     rnd;
1782         VM_SAFEPARMCOUNT(1, VM_CL_te_superspike);
1783
1784         pos = PRVM_G_VECTOR(OFS_PARM0);
1785         CL_FindNonSolidLocation(pos, pos2, 4);
1786         CL_ParticleEffect(EFFECT_TE_SUPERSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1787         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1788         else
1789         {
1790                 rnd = rand() & 3;
1791                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1792                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1793                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1794         }
1795 }
1796
1797 // #421 void(vector org) te_explosion (DP_TE_STANDARDEFFECTBUILTINS)
1798 static void VM_CL_te_explosion (void)
1799 {
1800         float           *pos;
1801         vec3_t          pos2;
1802         VM_SAFEPARMCOUNT(1, VM_CL_te_explosion);
1803
1804         pos = PRVM_G_VECTOR(OFS_PARM0);
1805         CL_FindNonSolidLocation(pos, pos2, 10);
1806         CL_ParticleEffect(EFFECT_TE_EXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1807         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1808 }
1809
1810 // #422 void(vector org) te_tarexplosion (DP_TE_STANDARDEFFECTBUILTINS)
1811 static void VM_CL_te_tarexplosion (void)
1812 {
1813         float           *pos;
1814         vec3_t          pos2;
1815         VM_SAFEPARMCOUNT(1, VM_CL_te_tarexplosion);
1816
1817         pos = PRVM_G_VECTOR(OFS_PARM0);
1818         CL_FindNonSolidLocation(pos, pos2, 10);
1819         CL_ParticleEffect(EFFECT_TE_TAREXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1820         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1821 }
1822
1823 // #423 void(vector org) te_wizspike (DP_TE_STANDARDEFFECTBUILTINS)
1824 static void VM_CL_te_wizspike (void)
1825 {
1826         float           *pos;
1827         vec3_t          pos2;
1828         VM_SAFEPARMCOUNT(1, VM_CL_te_wizspike);
1829
1830         pos = PRVM_G_VECTOR(OFS_PARM0);
1831         CL_FindNonSolidLocation(pos, pos2, 4);
1832         CL_ParticleEffect(EFFECT_TE_WIZSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1833         S_StartSound(-1, 0, cl.sfx_wizhit, pos2, 1, 1);
1834 }
1835
1836 // #424 void(vector org) te_knightspike (DP_TE_STANDARDEFFECTBUILTINS)
1837 static void VM_CL_te_knightspike (void)
1838 {
1839         float           *pos;
1840         vec3_t          pos2;
1841         VM_SAFEPARMCOUNT(1, VM_CL_te_knightspike);
1842
1843         pos = PRVM_G_VECTOR(OFS_PARM0);
1844         CL_FindNonSolidLocation(pos, pos2, 4);
1845         CL_ParticleEffect(EFFECT_TE_KNIGHTSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1846         S_StartSound(-1, 0, cl.sfx_knighthit, pos2, 1, 1);
1847 }
1848
1849 // #425 void(vector org) te_lavasplash (DP_TE_STANDARDEFFECTBUILTINS)
1850 static void VM_CL_te_lavasplash (void)
1851 {
1852         VM_SAFEPARMCOUNT(1, VM_CL_te_lavasplash);
1853         CL_ParticleEffect(EFFECT_TE_LAVASPLASH, 1, PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM0), vec3_origin, vec3_origin, NULL, 0);
1854 }
1855
1856 // #426 void(vector org) te_teleport (DP_TE_STANDARDEFFECTBUILTINS)
1857 static void VM_CL_te_teleport (void)
1858 {
1859         VM_SAFEPARMCOUNT(1, VM_CL_te_teleport);
1860         CL_ParticleEffect(EFFECT_TE_TELEPORT, 1, PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM0), vec3_origin, vec3_origin, NULL, 0);
1861 }
1862
1863 // #427 void(vector org, float colorstart, float colorlength) te_explosion2 (DP_TE_STANDARDEFFECTBUILTINS)
1864 static void VM_CL_te_explosion2 (void)
1865 {
1866         float           *pos;
1867         vec3_t          pos2, color;
1868         matrix4x4_t     tempmatrix;
1869         int                     colorStart, colorLength;
1870         unsigned char           *tempcolor;
1871         VM_SAFEPARMCOUNT(3, VM_CL_te_explosion2);
1872
1873         pos = PRVM_G_VECTOR(OFS_PARM0);
1874         colorStart = (int)PRVM_G_FLOAT(OFS_PARM1);
1875         colorLength = (int)PRVM_G_FLOAT(OFS_PARM2);
1876         CL_FindNonSolidLocation(pos, pos2, 10);
1877         CL_ParticleExplosion2(pos2, colorStart, colorLength);
1878         tempcolor = palette_rgb[(rand()%colorLength) + colorStart];
1879         color[0] = tempcolor[0] * (2.0f / 255.0f);
1880         color[1] = tempcolor[1] * (2.0f / 255.0f);
1881         color[2] = tempcolor[2] * (2.0f / 255.0f);
1882         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1883         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);
1884         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1885 }
1886
1887
1888 // #428 void(entity own, vector start, vector end) te_lightning1 (DP_TE_STANDARDEFFECTBUILTINS)
1889 static void VM_CL_te_lightning1 (void)
1890 {
1891         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning1);
1892         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt, true);
1893 }
1894
1895 // #429 void(entity own, vector start, vector end) te_lightning2 (DP_TE_STANDARDEFFECTBUILTINS)
1896 static void VM_CL_te_lightning2 (void)
1897 {
1898         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning2);
1899         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt2, true);
1900 }
1901
1902 // #430 void(entity own, vector start, vector end) te_lightning3 (DP_TE_STANDARDEFFECTBUILTINS)
1903 static void VM_CL_te_lightning3 (void)
1904 {
1905         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning3);
1906         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt3, false);
1907 }
1908
1909 // #431 void(entity own, vector start, vector end) te_beam (DP_TE_STANDARDEFFECTBUILTINS)
1910 static void VM_CL_te_beam (void)
1911 {
1912         VM_SAFEPARMCOUNT(3, VM_CL_te_beam);
1913         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_beam, false);
1914 }
1915
1916 // #433 void(vector org) te_plasmaburn (DP_TE_PLASMABURN)
1917 static void VM_CL_te_plasmaburn (void)
1918 {
1919         float           *pos;
1920         vec3_t          pos2;
1921         VM_SAFEPARMCOUNT(1, VM_CL_te_plasmaburn);
1922
1923         pos = PRVM_G_VECTOR(OFS_PARM0);
1924         CL_FindNonSolidLocation(pos, pos2, 4);
1925         CL_ParticleEffect(EFFECT_TE_PLASMABURN, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1926 }
1927
1928 // #457 void(vector org, vector velocity, float howmany) te_flamejet (DP_TE_FLAMEJET)
1929 static void VM_CL_te_flamejet (void)
1930 {
1931         float *pos;
1932         vec3_t pos2;
1933         VM_SAFEPARMCOUNT(3, VM_CL_te_flamejet);
1934         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1935                 return;
1936         pos = PRVM_G_VECTOR(OFS_PARM0);
1937         CL_FindNonSolidLocation(pos, pos2, 4);
1938         CL_ParticleEffect(EFFECT_TE_FLAMEJET, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1939 }
1940
1941
1942 // #443 void(entity e, entity tagentity, string tagname) setattachment
1943 void VM_CL_setattachment (void)
1944 {
1945         prvm_edict_t *e;
1946         prvm_edict_t *tagentity;
1947         const char *tagname;
1948         prvm_eval_t *v;
1949         int modelindex;
1950         dp_model_t *model;
1951         VM_SAFEPARMCOUNT(3, VM_CL_setattachment);
1952
1953         e = PRVM_G_EDICT(OFS_PARM0);
1954         tagentity = PRVM_G_EDICT(OFS_PARM1);
1955         tagname = PRVM_G_STRING(OFS_PARM2);
1956
1957         if (e == prog->edicts)
1958         {
1959                 VM_Warning("setattachment: can not modify world entity\n");
1960                 return;
1961         }
1962         if (e->priv.server->free)
1963         {
1964                 VM_Warning("setattachment: can not modify free entity\n");
1965                 return;
1966         }
1967
1968         if (tagentity == NULL)
1969                 tagentity = prog->edicts;
1970
1971         v = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.tag_entity);
1972         if (v)
1973                 v->edict = PRVM_EDICT_TO_PROG(tagentity);
1974
1975         v = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.tag_index);
1976         if (v)
1977                 v->_float = 0;
1978         if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
1979         {
1980                 modelindex = (int)tagentity->fields.client->modelindex;
1981                 model = CL_GetModelByIndex(modelindex);
1982                 if (model)
1983                 {
1984                         v->_float = Mod_Alias_GetTagIndexForName(model, (int)tagentity->fields.client->skin, tagname);
1985                         if (v->_float == 0)
1986                                 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);
1987                 }
1988                 else
1989                         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));
1990         }
1991 }
1992
1993 /////////////////////////////////////////
1994 // DP_MD3_TAGINFO extension coded by VorteX
1995
1996 int CL_GetTagIndex (prvm_edict_t *e, const char *tagname)
1997 {
1998         dp_model_t *model = CL_GetModelFromEdict(e);
1999         if (model)
2000                 return Mod_Alias_GetTagIndexForName(model, (int)e->fields.client->skin, tagname);
2001         else
2002                 return -1;
2003 }
2004
2005 int CL_GetExtendedTagInfo (prvm_edict_t *e, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix)
2006 {
2007         int r;
2008         dp_model_t *model;
2009
2010         *tagname = NULL;
2011         *parentindex = 0;
2012         Matrix4x4_CreateIdentity(tag_localmatrix);
2013
2014         if (tagindex >= 0
2015          && (model = CL_GetModelFromEdict(e))
2016          && model->animscenes)
2017         {
2018                 r = Mod_Alias_GetExtendedTagInfoForIndex(model, (int)e->fields.client->skin, e->priv.server->frameblend, &e->priv.server->skeleton, tagindex - 1, parentindex, tagname, tag_localmatrix);
2019
2020                 if(!r) // success?
2021                         *parentindex += 1;
2022
2023                 return r;
2024         }
2025
2026         return 1;
2027 }
2028
2029 int CL_GetPitchSign(prvm_edict_t *ent)
2030 {
2031         dp_model_t *model;
2032         if ((model = CL_GetModelFromEdict(ent)) && model->type == mod_alias)
2033                 return -1;
2034         return 1;
2035 }
2036
2037 void CL_GetEntityMatrix (prvm_edict_t *ent, matrix4x4_t *out, qboolean viewmatrix)
2038 {
2039         prvm_eval_t *val;
2040         float scale;
2041         float pitchsign = 1;
2042
2043         scale = 1;
2044         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale);
2045         if (val && val->_float != 0)
2046                 scale = val->_float;
2047
2048         // TODO do we need the same weird angle inverting logic here as in the server side case?
2049         if(viewmatrix)
2050                 Matrix4x4_CreateFromQuakeEntity(out, cl.csqc_origin[0], cl.csqc_origin[1], cl.csqc_origin[2], cl.csqc_angles[0], cl.csqc_angles[1], cl.csqc_angles[2], scale * cl_viewmodel_scale.value);
2051         else
2052         {
2053                 pitchsign = CL_GetPitchSign(ent);
2054                 Matrix4x4_CreateFromQuakeEntity(out, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2], pitchsign * ent->fields.client->angles[0], ent->fields.client->angles[1], ent->fields.client->angles[2], scale);
2055         }
2056 }
2057
2058 int CL_GetEntityLocalTagMatrix(prvm_edict_t *ent, int tagindex, matrix4x4_t *out)
2059 {
2060         dp_model_t *model;
2061         if (tagindex >= 0
2062          && (model = CL_GetModelFromEdict(ent))
2063          && model->animscenes)
2064         {
2065                 VM_GenerateFrameGroupBlend(ent->priv.server->framegroupblend, ent);
2066                 VM_FrameBlendFromFrameGroupBlend(ent->priv.server->frameblend, ent->priv.server->framegroupblend, model);
2067                 VM_UpdateEdictSkeleton(ent, model, ent->priv.server->frameblend);
2068                 return Mod_Alias_GetTagMatrix(model, ent->priv.server->frameblend, &ent->priv.server->skeleton, tagindex, out);
2069         }
2070         *out = identitymatrix;
2071         return 0;
2072 }
2073
2074 // Warnings/errors code:
2075 // 0 - normal (everything all-right)
2076 // 1 - world entity
2077 // 2 - free entity
2078 // 3 - null or non-precached model
2079 // 4 - no tags with requested index
2080 // 5 - runaway loop at attachment chain
2081 extern cvar_t cl_bob;
2082 extern cvar_t cl_bobcycle;
2083 extern cvar_t cl_bobup;
2084 int CL_GetTagMatrix (matrix4x4_t *out, prvm_edict_t *ent, int tagindex)
2085 {
2086         int ret;
2087         prvm_eval_t *val;
2088         int attachloop;
2089         matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
2090         dp_model_t *model;
2091
2092         *out = identitymatrix; // warnings and errors return identical matrix
2093
2094         if (ent == prog->edicts)
2095                 return 1;
2096         if (ent->priv.server->free)
2097                 return 2;
2098
2099         model = CL_GetModelFromEdict(ent);
2100         if(!model)
2101                 return 3;
2102
2103         tagmatrix = identitymatrix;
2104         attachloop = 0;
2105         for(;;)
2106         {
2107                 if(attachloop >= 256)
2108                         return 5;
2109                 // apply transformation by child's tagindex on parent entity and then
2110                 // by parent entity itself
2111                 ret = CL_GetEntityLocalTagMatrix(ent, tagindex - 1, &attachmatrix);
2112                 if(ret && attachloop == 0)
2113                         return ret;
2114                 CL_GetEntityMatrix(ent, &entitymatrix, false);
2115                 Matrix4x4_Concat(&tagmatrix, &attachmatrix, out);
2116                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2117                 // next iteration we process the parent entity
2118                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)) && val->edict)
2119                 {
2120                         tagindex = (int)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
2121                         ent = PRVM_EDICT_NUM(val->edict);
2122                 }
2123                 else
2124                         break;
2125                 attachloop++;
2126         }
2127
2128         // RENDER_VIEWMODEL magic
2129         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderflags)) && (RF_VIEWMODEL & (int)val->_float))
2130         {
2131                 Matrix4x4_Copy(&tagmatrix, out);
2132
2133                 CL_GetEntityMatrix(prog->edicts, &entitymatrix, true);
2134                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2135
2136                 /*
2137                 // Cl_bob, ported from rendering code
2138                 if (ent->fields.client->health > 0 && cl_bob.value && cl_bobcycle.value)
2139                 {
2140                         double bob, cycle;
2141                         // LordHavoc: this code is *weird*, but not replacable (I think it
2142                         // should be done in QC on the server, but oh well, quake is quake)
2143                         // LordHavoc: figured out bobup: the time at which the sin is at 180
2144                         // degrees (which allows lengthening or squishing the peak or valley)
2145                         cycle = cl.time/cl_bobcycle.value;
2146                         cycle -= (int)cycle;
2147                         if (cycle < cl_bobup.value)
2148                                 cycle = sin(M_PI * cycle / cl_bobup.value);
2149                         else
2150                                 cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
2151                         // bob is proportional to velocity in the xy plane
2152                         // (don't count Z, or jumping messes it up)
2153                         bob = sqrt(ent->fields.client->velocity[0]*ent->fields.client->velocity[0] + ent->fields.client->velocity[1]*ent->fields.client->velocity[1])*cl_bob.value;
2154                         bob = bob*0.3 + bob*0.7*cycle;
2155                         Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
2156                 }
2157                 */
2158         }
2159         return 0;
2160 }
2161
2162 // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
2163 void VM_CL_gettagindex (void)
2164 {
2165         prvm_edict_t *ent;
2166         const char *tag_name;
2167         int tag_index;
2168
2169         VM_SAFEPARMCOUNT(2, VM_CL_gettagindex);
2170
2171         ent = PRVM_G_EDICT(OFS_PARM0);
2172         tag_name = PRVM_G_STRING(OFS_PARM1);
2173         if (ent == prog->edicts)
2174         {
2175                 VM_Warning("VM_CL_gettagindex(entity #%i): can't affect world entity\n", PRVM_NUM_FOR_EDICT(ent));
2176                 return;
2177         }
2178         if (ent->priv.server->free)
2179         {
2180                 VM_Warning("VM_CL_gettagindex(entity #%i): can't affect free entity\n", PRVM_NUM_FOR_EDICT(ent));
2181                 return;
2182         }
2183
2184         tag_index = 0;
2185         if (!CL_GetModelFromEdict(ent))
2186                 Con_DPrintf("VM_CL_gettagindex(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(ent));
2187         else
2188         {
2189                 tag_index = CL_GetTagIndex(ent, tag_name);
2190                 if (tag_index == 0)
2191                         Con_DPrintf("VM_CL_gettagindex(entity #%i): tag \"%s\" not found\n", PRVM_NUM_FOR_EDICT(ent), tag_name);
2192         }
2193         PRVM_G_FLOAT(OFS_RETURN) = tag_index;
2194 }
2195
2196 // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
2197 void VM_CL_gettaginfo (void)
2198 {
2199         prvm_edict_t *e;
2200         int tagindex;
2201         matrix4x4_t tag_matrix;
2202         matrix4x4_t tag_localmatrix;
2203         int parentindex;
2204         const char *tagname;
2205         int returncode;
2206         prvm_eval_t *val;
2207         vec3_t fo, le, up, trans;
2208         const dp_model_t *model;
2209
2210         VM_SAFEPARMCOUNT(2, VM_CL_gettaginfo);
2211
2212         e = PRVM_G_EDICT(OFS_PARM0);
2213         tagindex = (int)PRVM_G_FLOAT(OFS_PARM1);
2214         returncode = CL_GetTagMatrix(&tag_matrix, e, tagindex);
2215         Matrix4x4_ToVectors(&tag_matrix, prog->globals.client->v_forward, le, prog->globals.client->v_up, PRVM_G_VECTOR(OFS_RETURN));
2216         VectorScale(le, -1, prog->globals.client->v_right);
2217         model = CL_GetModelFromEdict(e);
2218         VM_GenerateFrameGroupBlend(e->priv.server->framegroupblend, e);
2219         VM_FrameBlendFromFrameGroupBlend(e->priv.server->frameblend, e->priv.server->framegroupblend, model);
2220         VM_UpdateEdictSkeleton(e, model, e->priv.server->frameblend);
2221         CL_GetExtendedTagInfo(e, tagindex, &parentindex, &tagname, &tag_localmatrix);
2222         Matrix4x4_ToVectors(&tag_localmatrix, fo, le, up, trans);
2223
2224         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_parent)))
2225                 val->_float = parentindex;
2226         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_name)))
2227                 val->string = tagname ? PRVM_SetTempString(tagname) : 0;
2228         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_offset)))
2229                 VectorCopy(trans, val->vector);
2230         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_forward)))
2231                 VectorCopy(fo, val->vector);
2232         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_right)))
2233                 VectorScale(le, -1, val->vector);
2234         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_up)))
2235                 VectorCopy(up, val->vector);
2236
2237         switch(returncode)
2238         {
2239                 case 1:
2240                         VM_Warning("gettagindex: can't affect world entity\n");
2241                         break;
2242                 case 2:
2243                         VM_Warning("gettagindex: can't affect free entity\n");
2244                         break;
2245                 case 3:
2246                         Con_DPrintf("CL_GetTagMatrix(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(e));
2247                         break;
2248                 case 4:
2249                         Con_DPrintf("CL_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", PRVM_NUM_FOR_EDICT(e), tagindex);
2250                         break;
2251                 case 5:
2252                         Con_DPrintf("CL_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", PRVM_NUM_FOR_EDICT(e));
2253                         break;
2254         }
2255 }
2256
2257 //============================================================================
2258
2259 //====================
2260 // DP_CSQC_SPAWNPARTICLE
2261 // a QC hook to engine's CL_NewParticle
2262 //====================
2263
2264 // particle theme struct
2265 typedef struct vmparticletheme_s
2266 {
2267         unsigned short typeindex;
2268         qboolean initialized;
2269         pblend_t blendmode;
2270         porientation_t orientation;
2271         int color1;
2272         int color2;
2273         int tex;
2274         float size;
2275         float sizeincrease;
2276         int alpha;
2277         int alphafade;
2278         float gravity;
2279         float bounce;
2280         float airfriction;
2281         float liquidfriction;
2282         float originjitter;
2283         float velocityjitter;
2284         qboolean qualityreduction;
2285         float lifetime;
2286         float stretch;
2287         int staincolor1;
2288         int staincolor2;
2289         int staintex;
2290         float delayspawn;
2291         float delaycollision;
2292 }vmparticletheme_t;
2293
2294 // particle spawner
2295 typedef struct vmparticlespawner_s
2296 {
2297         mempool_t                       *pool;
2298         qboolean                        initialized;
2299         qboolean                        verified;
2300         vmparticletheme_t       *themes;
2301         int                                     max_themes;
2302         // global addresses
2303         float *particle_type;
2304         float *particle_blendmode; 
2305         float *particle_orientation;
2306         float *particle_color1;
2307         float *particle_color2;
2308         float *particle_tex;
2309         float *particle_size;
2310         float *particle_sizeincrease;
2311         float *particle_alpha;
2312         float *particle_alphafade;
2313         float *particle_time;
2314         float *particle_gravity;
2315         float *particle_bounce;
2316         float *particle_airfriction;
2317         float *particle_liquidfriction;
2318         float *particle_originjitter;
2319         float *particle_velocityjitter;
2320         float *particle_qualityreduction;
2321         float *particle_stretch;
2322         float *particle_staincolor1;
2323         float *particle_staincolor2;
2324         float *particle_staintex;
2325         float *particle_delayspawn;
2326         float *particle_delaycollision;
2327 }vmparticlespawner_t;
2328
2329 vmparticlespawner_t vmpartspawner;
2330
2331 // TODO: automatic max_themes grow
2332 static void VM_InitParticleSpawner (int maxthemes)
2333 {
2334         prvm_eval_t *val;
2335
2336         // bound max themes to not be an insane value
2337         if (maxthemes < 4)
2338                 maxthemes = 4;
2339         if (maxthemes > 2048)
2340                 maxthemes = 2048;
2341         // allocate and set up structure
2342         if (vmpartspawner.initialized) // reallocate
2343         {
2344                 Mem_FreePool(&vmpartspawner.pool);
2345                 memset(&vmpartspawner, 0, sizeof(vmparticlespawner_t));
2346         }
2347         vmpartspawner.pool = Mem_AllocPool("VMPARTICLESPAWNER", 0, NULL);
2348         vmpartspawner.themes = (vmparticletheme_t *)Mem_Alloc(vmpartspawner.pool, sizeof(vmparticletheme_t)*maxthemes);
2349         vmpartspawner.max_themes = maxthemes;
2350         vmpartspawner.initialized = true;
2351         vmpartspawner.verified = true;
2352         // get field addresses for fast querying (we can do 1000 calls of spawnparticle in a frame)
2353         #define getglobal(v,s) val = PRVM_GLOBALFIELDVALUE(PRVM_ED_FindGlobalOffset(s)); if (val) { vmpartspawner.v = &val->_float; } else { VM_Warning("VM_InitParticleSpawner: missing global '%s', spawner cannot work\n", s); vmpartspawner.verified = false; }
2354         #define getglobalvector(v,s) val = PRVM_GLOBALFIELDVALUE(PRVM_ED_FindGlobalOffset(s)); if (val) { vmpartspawner.v = (float *)val->vector; } else { VM_Warning("VM_InitParticleSpawner: missing global '%s', spawner cannot work\n", s); vmpartspawner.verified = false; }
2355         getglobal(particle_type, "particle_type");
2356         getglobal(particle_blendmode, "particle_blendmode");
2357         getglobal(particle_orientation, "particle_orientation");
2358         getglobalvector(particle_color1, "particle_color1");
2359         getglobalvector(particle_color2, "particle_color2");
2360         getglobal(particle_tex, "particle_tex");
2361         getglobal(particle_size, "particle_size");
2362         getglobal(particle_sizeincrease, "particle_sizeincrease");
2363         getglobal(particle_alpha, "particle_alpha");
2364         getglobal(particle_alphafade, "particle_alphafade");
2365         getglobal(particle_time, "particle_time");
2366         getglobal(particle_gravity, "particle_gravity");
2367         getglobal(particle_bounce, "particle_bounce");
2368         getglobal(particle_airfriction, "particle_airfriction");
2369         getglobal(particle_liquidfriction, "particle_liquidfriction");
2370         getglobal(particle_originjitter, "particle_originjitter");
2371         getglobal(particle_velocityjitter, "particle_velocityjitter");
2372         getglobal(particle_qualityreduction, "particle_qualityreduction");
2373         getglobal(particle_stretch, "particle_stretch");
2374         getglobalvector(particle_staincolor1, "particle_staincolor1");
2375         getglobalvector(particle_staincolor2, "particle_staincolor2");
2376         getglobal(particle_staintex, "particle_staintex");
2377         getglobal(particle_delayspawn, "particle_delayspawn");
2378         getglobal(particle_delaycollision, "particle_delaycollision");
2379         #undef getglobal
2380         #undef getglobalvector
2381 }
2382
2383 // reset particle theme to default values
2384 static void VM_ResetParticleTheme (vmparticletheme_t *theme)
2385 {
2386         theme->initialized = true;
2387         theme->typeindex = pt_static;
2388         theme->blendmode = PBLEND_ADD;
2389         theme->orientation = PARTICLE_BILLBOARD;
2390         theme->color1 = 0x808080;
2391         theme->color2 = 0xFFFFFF;
2392         theme->tex = 63;
2393         theme->size = 2;
2394         theme->sizeincrease = 0;
2395         theme->alpha = 256;
2396         theme->alphafade = 512;
2397         theme->gravity = 0.0f;
2398         theme->bounce = 0.0f;
2399         theme->airfriction = 1.0f;
2400         theme->liquidfriction = 4.0f;
2401         theme->originjitter = 0.0f;
2402         theme->velocityjitter = 0.0f;
2403         theme->qualityreduction = false;
2404         theme->lifetime = 4;
2405         theme->stretch = 1;
2406         theme->staincolor1 = -1;
2407         theme->staincolor2 = -1;
2408         theme->staintex = -1;
2409         theme->delayspawn = 0.0f;
2410         theme->delaycollision = 0.0f;
2411 }
2412
2413 // particle theme -> QC globals
2414 void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme)
2415 {
2416         *vmpartspawner.particle_type = theme->typeindex;
2417         *vmpartspawner.particle_blendmode = theme->blendmode;
2418         *vmpartspawner.particle_orientation = theme->orientation;
2419         vmpartspawner.particle_color1[0] = (theme->color1 >> 16) & 0xFF; // VorteX: int only can store 0-255, not 0-256 which means 0 - 0,99609375...
2420         vmpartspawner.particle_color1[1] = (theme->color1 >> 8) & 0xFF;
2421         vmpartspawner.particle_color1[2] = (theme->color1 >> 0) & 0xFF;
2422         vmpartspawner.particle_color2[0] = (theme->color2 >> 16) & 0xFF;
2423         vmpartspawner.particle_color2[1] = (theme->color2 >> 8) & 0xFF;
2424         vmpartspawner.particle_color2[2] = (theme->color2 >> 0) & 0xFF;
2425         *vmpartspawner.particle_tex = (float)theme->tex;
2426         *vmpartspawner.particle_size = theme->size;
2427         *vmpartspawner.particle_sizeincrease = theme->sizeincrease;
2428         *vmpartspawner.particle_alpha = (float)theme->alpha/256;
2429         *vmpartspawner.particle_alphafade = (float)theme->alphafade/256;
2430         *vmpartspawner.particle_time = theme->lifetime;
2431         *vmpartspawner.particle_gravity = theme->gravity;
2432         *vmpartspawner.particle_bounce = theme->bounce;
2433         *vmpartspawner.particle_airfriction = theme->airfriction;
2434         *vmpartspawner.particle_liquidfriction = theme->liquidfriction;
2435         *vmpartspawner.particle_originjitter = theme->originjitter;
2436         *vmpartspawner.particle_velocityjitter = theme->velocityjitter;
2437         *vmpartspawner.particle_qualityreduction = theme->qualityreduction;
2438         *vmpartspawner.particle_stretch = theme->stretch;
2439         vmpartspawner.particle_staincolor1[0] = ((int)theme->staincolor1 >> 16) & 0xFF;
2440         vmpartspawner.particle_staincolor1[1] = ((int)theme->staincolor1 >> 8) & 0xFF;
2441         vmpartspawner.particle_staincolor1[2] = ((int)theme->staincolor1 >> 0) & 0xFF;
2442         vmpartspawner.particle_staincolor2[0] = ((int)theme->staincolor2 >> 16) & 0xFF;
2443         vmpartspawner.particle_staincolor2[1] = ((int)theme->staincolor2 >> 8) & 0xFF;
2444         vmpartspawner.particle_staincolor2[2] = ((int)theme->staincolor2 >> 0) & 0xFF;
2445         *vmpartspawner.particle_staintex = (float)theme->staintex;
2446         *vmpartspawner.particle_delayspawn = theme->delayspawn;
2447         *vmpartspawner.particle_delaycollision = theme->delaycollision;
2448 }
2449
2450 // QC globals ->  particle theme
2451 void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme)
2452 {
2453         theme->typeindex = (unsigned short)*vmpartspawner.particle_type;
2454         theme->blendmode = (pblend_t)*vmpartspawner.particle_blendmode;
2455         theme->orientation = (porientation_t)*vmpartspawner.particle_orientation;
2456         theme->color1 = ((int)vmpartspawner.particle_color1[0] << 16) + ((int)vmpartspawner.particle_color1[1] << 8) + ((int)vmpartspawner.particle_color1[2]);
2457         theme->color2 = ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]);
2458         theme->tex = (int)*vmpartspawner.particle_tex;
2459         theme->size = *vmpartspawner.particle_size;
2460         theme->sizeincrease = *vmpartspawner.particle_sizeincrease;
2461         theme->alpha = (int)(*vmpartspawner.particle_alpha*256);
2462         theme->alphafade = (int)(*vmpartspawner.particle_alphafade*256);
2463         theme->lifetime = *vmpartspawner.particle_time;
2464         theme->gravity = *vmpartspawner.particle_gravity;
2465         theme->bounce = *vmpartspawner.particle_bounce;
2466         theme->airfriction = *vmpartspawner.particle_airfriction;
2467         theme->liquidfriction = *vmpartspawner.particle_liquidfriction;
2468         theme->originjitter = *vmpartspawner.particle_originjitter;
2469         theme->velocityjitter = *vmpartspawner.particle_velocityjitter;
2470         theme->qualityreduction = (*vmpartspawner.particle_qualityreduction) ? true : false;
2471         theme->stretch = *vmpartspawner.particle_stretch;
2472         theme->staincolor1 = ((int)vmpartspawner.particle_staincolor1[0])*65536 + (int)(vmpartspawner.particle_staincolor1[1])*256 + (int)(vmpartspawner.particle_staincolor1[2]);
2473         theme->staincolor2 = (int)(vmpartspawner.particle_staincolor2[0])*65536 + (int)(vmpartspawner.particle_staincolor2[1])*256 + (int)(vmpartspawner.particle_staincolor2[2]);
2474         theme->staintex =(int)*vmpartspawner.particle_staintex;
2475         theme->delayspawn = *vmpartspawner.particle_delayspawn;
2476         theme->delaycollision = *vmpartspawner.particle_delaycollision;
2477 }
2478
2479 // init particle spawner interface
2480 // # float(float max_themes) initparticlespawner
2481 void VM_CL_InitParticleSpawner (void)
2482 {
2483         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_InitParticleSpawner);
2484         VM_InitParticleSpawner((int)PRVM_G_FLOAT(OFS_PARM0));
2485         vmpartspawner.themes[0].initialized = true;
2486         VM_ResetParticleTheme(&vmpartspawner.themes[0]);
2487         PRVM_G_FLOAT(OFS_RETURN) = (vmpartspawner.verified == true) ? 1 : 0;
2488 }
2489
2490 // void() resetparticle
2491 void VM_CL_ResetParticle (void)
2492 {
2493         VM_SAFEPARMCOUNT(0, VM_CL_ResetParticle);
2494         if (vmpartspawner.verified == false)
2495         {
2496                 VM_Warning("VM_CL_ResetParticle: particle spawner not initialized\n");
2497                 return;
2498         }
2499         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2500 }
2501
2502 // void(float themenum) particletheme
2503 void VM_CL_ParticleTheme (void)
2504 {
2505         int themenum;
2506
2507         VM_SAFEPARMCOUNT(1, VM_CL_ParticleTheme);
2508         if (vmpartspawner.verified == false)
2509         {
2510                 VM_Warning("VM_CL_ParticleTheme: particle spawner not initialized\n");
2511                 return;
2512         }
2513         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2514         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2515         {
2516                 VM_Warning("VM_CL_ParticleTheme: bad theme number %i\n", themenum);
2517                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2518                 return;
2519         }
2520         if (vmpartspawner.themes[themenum].initialized == false)
2521         {
2522                 VM_Warning("VM_CL_ParticleTheme: theme #%i not exists\n", themenum);
2523                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2524                 return;
2525         }
2526         // load particle theme into globals
2527         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[themenum]);
2528 }
2529
2530 // float() saveparticletheme
2531 // void(float themenum) updateparticletheme
2532 void VM_CL_ParticleThemeSave (void)
2533 {
2534         int themenum;
2535
2536         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_ParticleThemeSave);
2537         if (vmpartspawner.verified == false)
2538         {
2539                 VM_Warning("VM_CL_ParticleThemeSave: particle spawner not initialized\n");
2540                 return;
2541         }
2542         // allocate new theme, save it and return
2543         if (prog->argc < 1)
2544         {
2545                 for (themenum = 0; themenum < vmpartspawner.max_themes; themenum++)
2546                         if (vmpartspawner.themes[themenum].initialized == false)
2547                                 break;
2548                 if (themenum >= vmpartspawner.max_themes)
2549                 {
2550                         if (vmpartspawner.max_themes == 2048)
2551                                 VM_Warning("VM_CL_ParticleThemeSave: no free theme slots\n");
2552                         else
2553                                 VM_Warning("VM_CL_ParticleThemeSave: no free theme slots, try initparticlespawner() with highter max_themes\n");
2554                         PRVM_G_FLOAT(OFS_RETURN) = -1;
2555                         return;
2556                 }
2557                 vmpartspawner.themes[themenum].initialized = true;
2558                 VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum]);
2559                 PRVM_G_FLOAT(OFS_RETURN) = themenum;
2560                 return;
2561         }
2562         // update existing theme
2563         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2564         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2565         {
2566                 VM_Warning("VM_CL_ParticleThemeSave: bad theme number %i\n", themenum);
2567                 return;
2568         }
2569         vmpartspawner.themes[themenum].initialized = true;
2570         VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum]);
2571 }
2572
2573 // void(float themenum) freeparticletheme
2574 void VM_CL_ParticleThemeFree (void)
2575 {
2576         int themenum;
2577
2578         VM_SAFEPARMCOUNT(1, VM_CL_ParticleThemeFree);
2579         if (vmpartspawner.verified == false)
2580         {
2581                 VM_Warning("VM_CL_ParticleThemeFree: particle spawner not initialized\n");
2582                 return;
2583         }
2584         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2585         // check parms
2586         if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2587         {
2588                 VM_Warning("VM_CL_ParticleThemeFree: bad theme number %i\n", themenum);
2589                 return;
2590         }
2591         if (vmpartspawner.themes[themenum].initialized == false)
2592         {
2593                 VM_Warning("VM_CL_ParticleThemeFree: theme #%i already freed\n", themenum);
2594                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2595                 return;
2596         }
2597         // free theme
2598         VM_ResetParticleTheme(&vmpartspawner.themes[themenum]);
2599         vmpartspawner.themes[themenum].initialized = false;
2600 }
2601
2602 // float(vector org, vector dir, [float theme]) particle
2603 // returns 0 if failed, 1 if succesful
2604 void VM_CL_SpawnParticle (void)
2605 {
2606         float *org, *dir;
2607         vmparticletheme_t *theme;
2608         particle_t *part;
2609         int themenum;
2610
2611         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_SpawnParticle2);
2612         if (vmpartspawner.verified == false)
2613         {
2614                 VM_Warning("VM_CL_SpawnParticle: particle spawner not initialized\n");
2615                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2616                 return;
2617         }
2618         org = PRVM_G_VECTOR(OFS_PARM0);
2619         dir = PRVM_G_VECTOR(OFS_PARM1);
2620         
2621         if (prog->argc < 3) // global-set particle
2622         {
2623                 part = CL_NewParticle((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, (int)(*vmpartspawner.particle_alpha*256), (int)(*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)*vmpartspawner.particle_blendmode, (porientation_t)*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);
2624                 if (!part)
2625                 {
2626                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2627                         return;
2628                 }
2629                 if (*vmpartspawner.particle_delayspawn)
2630                         part->delayedspawn = cl.time + *vmpartspawner.particle_delayspawn;
2631                 if (*vmpartspawner.particle_delaycollision)
2632                         part->delayedcollisions = cl.time + *vmpartspawner.particle_delaycollision;
2633         }
2634         else // quick themed particle
2635         {
2636                 themenum = (int)PRVM_G_FLOAT(OFS_PARM2);
2637                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2638                 {
2639                         VM_Warning("VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2640                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2641                         return;
2642                 }
2643                 theme = &vmpartspawner.themes[themenum];
2644                 part = CL_NewParticle(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);
2645                 if (!part)
2646                 {
2647                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2648                         return;
2649                 }
2650                 if (theme->delayspawn)
2651                         part->delayedspawn = cl.time + theme->delayspawn;
2652                 if (theme->delaycollision)
2653                         part->delayedcollisions = cl.time + theme->delaycollision;
2654         }
2655         PRVM_G_FLOAT(OFS_RETURN) = 1; 
2656 }
2657
2658 // float(vector org, vector dir, float spawndelay, float collisiondelay, [float theme]) delayedparticle
2659 // returns 0 if failed, 1 if success
2660 void VM_CL_SpawnParticleDelayed (void)
2661 {
2662         float *org, *dir;
2663         vmparticletheme_t *theme;
2664         particle_t *part;
2665         int themenum;
2666
2667         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_SpawnParticle2);
2668         if (vmpartspawner.verified == false)
2669         {
2670                 VM_Warning("VM_CL_SpawnParticle: particle spawner not initialized\n");
2671                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2672                 return;
2673         }
2674         org = PRVM_G_VECTOR(OFS_PARM0);
2675         dir = PRVM_G_VECTOR(OFS_PARM1);
2676         if (prog->argc < 5) // global-set particle
2677                 part = CL_NewParticle((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, (int)(*vmpartspawner.particle_alpha*256), (int)(*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)*vmpartspawner.particle_blendmode, (porientation_t)*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);
2678         else // themed particle
2679         {
2680                 themenum = (int)PRVM_G_FLOAT(OFS_PARM4);
2681                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2682                 {
2683                         VM_Warning("VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2684                         PRVM_G_FLOAT(OFS_RETURN) = 0;  
2685                         return;
2686                 }
2687                 theme = &vmpartspawner.themes[themenum];
2688                 part = CL_NewParticle(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);
2689         }
2690         if (!part) 
2691         { 
2692                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2693                 return; 
2694         }
2695         part->delayedspawn = cl.time + PRVM_G_FLOAT(OFS_PARM2);
2696         part->delayedcollisions = cl.time + PRVM_G_FLOAT(OFS_PARM3);
2697         PRVM_G_FLOAT(OFS_RETURN) = 0;
2698 }
2699
2700 //
2701 //====================
2702 //QC POLYGON functions
2703 //====================
2704
2705 #define VMPOLYGONS_MAXPOINTS 64
2706
2707 typedef struct vmpolygons_triangle_s
2708 {
2709         rtexture_t              *texture;
2710         int                             drawflag;
2711         unsigned short  elements[3];
2712 }vmpolygons_triangle_t;
2713
2714 typedef struct vmpolygons_s
2715 {
2716         mempool_t               *pool;
2717         qboolean                initialized;
2718         double          progstarttime;
2719
2720         int                             max_vertices;
2721         int                             num_vertices;
2722         float                   *data_vertex3f;
2723         float                   *data_color4f;
2724         float                   *data_texcoord2f;
2725
2726         int                             max_triangles;
2727         int                             num_triangles;
2728         vmpolygons_triangle_t *data_triangles;
2729         unsigned short  *data_sortedelement3s;
2730
2731         qboolean                begin_active;
2732         rtexture_t              *begin_texture;
2733         int                             begin_drawflag;
2734         int                             begin_vertices;
2735         float                   begin_vertex[VMPOLYGONS_MAXPOINTS][3];
2736         float                   begin_color[VMPOLYGONS_MAXPOINTS][4];
2737         float                   begin_texcoord[VMPOLYGONS_MAXPOINTS][2];
2738 } vmpolygons_t;
2739
2740 // FIXME: make VM_CL_R_Polygon functions use Debug_Polygon functions?
2741 vmpolygons_t vmpolygons[PRVM_MAXPROGS];
2742
2743 //#304 void() renderscene (EXT_CSQC)
2744 // moved that here to reset the polygons,
2745 // resetting them earlier causes R_Mesh_Draw to be called with numvertices = 0
2746 // --blub
2747 void VM_CL_R_RenderScene (void)
2748 {
2749         double t = Sys_DoubleTime();
2750         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
2751         VM_SAFEPARMCOUNT(0, VM_CL_R_RenderScene);
2752
2753         // we need to update any RENDER_VIEWMODEL entities at this point because
2754         // csqc supplies its own view matrix
2755         CL_UpdateViewEntities();
2756         // now draw stuff!
2757         R_RenderView();
2758
2759         polys->num_vertices = polys->num_triangles = 0;
2760         polys->progstarttime = prog->starttime;
2761
2762         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
2763         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
2764 }
2765
2766 static void VM_ResizePolygons(vmpolygons_t *polys)
2767 {
2768         float *oldvertex3f = polys->data_vertex3f;
2769         float *oldcolor4f = polys->data_color4f;
2770         float *oldtexcoord2f = polys->data_texcoord2f;
2771         vmpolygons_triangle_t *oldtriangles = polys->data_triangles;
2772         unsigned short *oldsortedelement3s = polys->data_sortedelement3s;
2773         polys->max_vertices = min(polys->max_triangles*3, 65536);
2774         polys->data_vertex3f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[3]));
2775         polys->data_color4f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[4]));
2776         polys->data_texcoord2f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[2]));
2777         polys->data_triangles = (vmpolygons_triangle_t *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(vmpolygons_triangle_t));
2778         polys->data_sortedelement3s = (unsigned short *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(unsigned short[3]));
2779         if (polys->num_vertices)
2780         {
2781                 memcpy(polys->data_vertex3f, oldvertex3f, polys->num_vertices*sizeof(float[3]));
2782                 memcpy(polys->data_color4f, oldcolor4f, polys->num_vertices*sizeof(float[4]));
2783                 memcpy(polys->data_texcoord2f, oldtexcoord2f, polys->num_vertices*sizeof(float[2]));
2784         }
2785         if (polys->num_triangles)
2786         {
2787                 memcpy(polys->data_triangles, oldtriangles, polys->num_triangles*sizeof(vmpolygons_triangle_t));
2788                 memcpy(polys->data_sortedelement3s, oldsortedelement3s, polys->num_triangles*sizeof(unsigned short[3]));
2789         }
2790         if (oldvertex3f)
2791                 Mem_Free(oldvertex3f);
2792         if (oldcolor4f)
2793                 Mem_Free(oldcolor4f);
2794         if (oldtexcoord2f)
2795                 Mem_Free(oldtexcoord2f);
2796         if (oldtriangles)
2797                 Mem_Free(oldtriangles);
2798         if (oldsortedelement3s)
2799                 Mem_Free(oldsortedelement3s);
2800 }
2801
2802 static void VM_InitPolygons (vmpolygons_t* polys)
2803 {
2804         memset(polys, 0, sizeof(*polys));
2805         polys->pool = Mem_AllocPool("VMPOLY", 0, NULL);
2806         polys->max_triangles = 1024;
2807         VM_ResizePolygons(polys);
2808         polys->initialized = true;
2809 }
2810
2811 static void VM_DrawPolygonCallback (const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
2812 {
2813         int surfacelistindex;
2814         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
2815         if(polys->progstarttime != prog->starttime) // from other progs? won't draw these (this can cause crashes!)
2816                 return;
2817         R_Mesh_ResetTextureState();
2818         R_EntityMatrix(&identitymatrix);
2819         GL_CullFace(GL_NONE);
2820         R_Mesh_VertexPointer(polys->data_vertex3f, 0, 0);
2821         R_Mesh_ColorPointer(polys->data_color4f, 0, 0);
2822         R_Mesh_TexCoordPointer(0, 2, polys->data_texcoord2f, 0, 0);
2823
2824         for (surfacelistindex = 0;surfacelistindex < numsurfaces;)
2825         {
2826                 int numtriangles = 0;
2827                 rtexture_t *tex = polys->data_triangles[surfacelist[surfacelistindex]].texture;
2828                 int drawflag = polys->data_triangles[surfacelist[surfacelistindex]].drawflag;
2829                 // this can't call _DrawQ_ProcessDrawFlag, but should be in sync with it
2830                 // FIXME factor this out
2831                 if(drawflag == DRAWFLAG_ADDITIVE)
2832                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2833                 else if(drawflag == DRAWFLAG_MODULATE)
2834                         GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
2835                 else if(drawflag == DRAWFLAG_2XMODULATE)
2836                         GL_BlendFunc(GL_DST_COLOR,GL_SRC_COLOR);
2837                 else if(drawflag == DRAWFLAG_SCREEN)
2838                         GL_BlendFunc(GL_ONE_MINUS_DST_COLOR,GL_ONE);
2839                 else
2840                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2841                 R_SetupShader_Generic(tex, NULL, GL_MODULATE, 1);
2842                 numtriangles = 0;
2843                 for (;surfacelistindex < numsurfaces;surfacelistindex++)
2844                 {
2845                         if (polys->data_triangles[surfacelist[surfacelistindex]].texture != tex || polys->data_triangles[surfacelist[surfacelistindex]].drawflag != drawflag)
2846                                 break;
2847                         VectorCopy(polys->data_triangles[surfacelist[surfacelistindex]].elements, polys->data_sortedelement3s + 3*numtriangles);
2848                         numtriangles++;
2849                 }
2850                 R_Mesh_Draw(0, polys->num_vertices, 0, numtriangles, NULL, polys->data_sortedelement3s, 0, 0);
2851         }
2852 }
2853
2854 void VMPolygons_Store(vmpolygons_t *polys)
2855 {
2856         if (r_refdef.draw2dstage)
2857         {
2858                 // draw the polygon as 2D immediately
2859                 drawqueuemesh_t mesh;
2860                 mesh.texture = polys->begin_texture;
2861                 mesh.num_vertices = polys->begin_vertices;
2862                 mesh.num_triangles = polys->begin_vertices-2;
2863                 mesh.data_element3i = polygonelement3i;
2864                 mesh.data_element3s = polygonelement3s;
2865                 mesh.data_vertex3f = polys->begin_vertex[0];
2866                 mesh.data_color4f = polys->begin_color[0];
2867                 mesh.data_texcoord2f = polys->begin_texcoord[0];
2868                 DrawQ_Mesh(&mesh, polys->begin_drawflag);
2869         }
2870         else
2871         {
2872                 // queue the polygon as 3D for sorted transparent rendering later
2873                 int i;
2874                 if (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
2875                 {
2876                         polys->max_triangles *= 2;
2877                         VM_ResizePolygons(polys);
2878                 }
2879                 if (polys->num_vertices + polys->begin_vertices <= polys->max_vertices)
2880                 {
2881                         // needle in a haystack!
2882                         // polys->num_vertices was used for copying where we actually want to copy begin_vertices
2883                         // that also caused it to not render the first polygon that is added
2884                         // --blub
2885                         memcpy(polys->data_vertex3f + polys->num_vertices * 3, polys->begin_vertex[0], polys->begin_vertices * sizeof(float[3]));
2886                         memcpy(polys->data_color4f + polys->num_vertices * 4, polys->begin_color[0], polys->begin_vertices * sizeof(float[4]));
2887                         memcpy(polys->data_texcoord2f + polys->num_vertices * 2, polys->begin_texcoord[0], polys->begin_vertices * sizeof(float[2]));
2888                         for (i = 0;i < polys->begin_vertices-2;i++)
2889                         {
2890                                 polys->data_triangles[polys->num_triangles].texture = polys->begin_texture;
2891                                 polys->data_triangles[polys->num_triangles].drawflag = polys->begin_drawflag;
2892                                 polys->data_triangles[polys->num_triangles].elements[0] = polys->num_vertices;
2893                                 polys->data_triangles[polys->num_triangles].elements[1] = polys->num_vertices + i+1;
2894                                 polys->data_triangles[polys->num_triangles].elements[2] = polys->num_vertices + i+2;
2895                                 polys->num_triangles++;
2896                         }
2897                         polys->num_vertices += polys->begin_vertices;
2898                 }
2899         }
2900         polys->begin_active = false;
2901 }
2902
2903 // TODO: move this into the client code and clean-up everything else, too! [1/6/2008 Black]
2904 // LordHavoc: agreed, this is a mess
2905 void VM_CL_AddPolygonsToMeshQueue (void)
2906 {
2907         int i;
2908         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
2909         vec3_t center;
2910
2911         // only add polygons of the currently active prog to the queue - if there is none, we're done
2912         if( !prog )
2913                 return;
2914
2915         if (!polys->num_triangles)
2916                 return;
2917
2918         for (i = 0;i < polys->num_triangles;i++)
2919         {
2920                 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);
2921                 R_MeshQueue_AddTransparent(center, VM_DrawPolygonCallback, NULL, i, NULL);
2922         }
2923
2924         /*polys->num_triangles = 0; // now done after rendering the scene,
2925           polys->num_vertices = 0;  // otherwise it's not rendered at all and prints an error message --blub */
2926 }
2927
2928 //void(string texturename, float flag) R_BeginPolygon
2929 void VM_CL_R_PolygonBegin (void)
2930 {
2931         const char              *picname;
2932         skinframe_t     *sf;
2933         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
2934         int tf;
2935
2936         // TODO instead of using skinframes here (which provides the benefit of
2937         // better management of flags, and is more suited for 3D rendering), what
2938         // about supporting Q3 shaders?
2939
2940         VM_SAFEPARMCOUNT(2, VM_CL_R_PolygonBegin);
2941
2942         if (!polys->initialized)
2943                 VM_InitPolygons(polys);
2944         if(polys->progstarttime != prog->starttime)
2945         {
2946                 // from another progs? then reset the polys first (fixes crashes on map change, because that can make skinframe textures invalid)
2947                 polys->num_vertices = polys->num_triangles = 0;
2948                 polys->progstarttime = prog->starttime;
2949         }
2950         if (polys->begin_active)
2951         {
2952                 VM_Warning("VM_CL_R_PolygonBegin: called twice without VM_CL_R_PolygonBegin after first\n");
2953                 return;
2954         }
2955         picname = PRVM_G_STRING(OFS_PARM0);
2956
2957         sf = NULL;
2958         if(*picname)
2959         {
2960                 tf = TEXF_ALPHA;
2961                 if((int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MIPMAP)
2962                         tf |= TEXF_MIPMAP;
2963
2964                 do
2965                 {
2966                         sf = R_SkinFrame_FindNextByName(sf, picname);
2967                 }
2968                 while(sf && sf->textureflags != tf);
2969
2970                 if(!sf || !sf->base)
2971                         sf = R_SkinFrame_LoadExternal(picname, tf, true);
2972
2973                 if(sf)
2974                         R_SkinFrame_MarkUsed(sf);
2975         }
2976
2977         polys->begin_texture = (sf && sf->base) ? sf->base : r_texture_white;
2978         polys->begin_drawflag = (int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MASK;
2979         polys->begin_vertices = 0;
2980         polys->begin_active = true;
2981 }
2982
2983 //void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
2984 void VM_CL_R_PolygonVertex (void)
2985 {
2986         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
2987
2988         VM_SAFEPARMCOUNT(4, VM_CL_R_PolygonVertex);
2989
2990         if (!polys->begin_active)
2991         {
2992                 VM_Warning("VM_CL_R_PolygonVertex: VM_CL_R_PolygonBegin wasn't called\n");
2993                 return;
2994         }
2995
2996         if (polys->begin_vertices >= VMPOLYGONS_MAXPOINTS)
2997         {
2998                 VM_Warning("VM_CL_R_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
2999                 return;
3000         }
3001
3002         polys->begin_vertex[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM0)[0];
3003         polys->begin_vertex[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM0)[1];
3004         polys->begin_vertex[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM0)[2];
3005         polys->begin_texcoord[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM1)[0];
3006         polys->begin_texcoord[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM1)[1];
3007         polys->begin_color[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM2)[0];
3008         polys->begin_color[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM2)[1];
3009         polys->begin_color[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM2)[2];
3010         polys->begin_color[polys->begin_vertices][3] = PRVM_G_FLOAT(OFS_PARM3);
3011         polys->begin_vertices++;
3012 }
3013
3014 //void() R_EndPolygon
3015 void VM_CL_R_PolygonEnd (void)
3016 {
3017         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3018
3019         VM_SAFEPARMCOUNT(0, VM_CL_R_PolygonEnd);
3020         if (!polys->begin_active)
3021         {
3022                 VM_Warning("VM_CL_R_PolygonEnd: VM_CL_R_PolygonBegin wasn't called\n");
3023                 return;
3024         }
3025         polys->begin_active = false;
3026         if (polys->begin_vertices >= 3)
3027                 VMPolygons_Store(polys);
3028         else
3029                 VM_Warning("VM_CL_R_PolygonEnd: %i vertices isn't a good choice\n", polys->begin_vertices);
3030 }
3031
3032 static vmpolygons_t debugPolys;
3033
3034 void Debug_PolygonBegin(const char *picname, int drawflag)
3035 {
3036         if(!debugPolys.initialized)
3037                 VM_InitPolygons(&debugPolys);
3038         if(debugPolys.begin_active)
3039         {
3040                 Con_Printf("Debug_PolygonBegin: called twice without Debug_PolygonEnd after first\n");
3041                 return;
3042         }
3043         debugPolys.begin_texture = picname[0] ? Draw_CachePic (picname)->tex : r_texture_white;
3044         debugPolys.begin_drawflag = drawflag;
3045         debugPolys.begin_vertices = 0;
3046         debugPolys.begin_active = true;
3047 }
3048
3049 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a)
3050 {
3051         if(!debugPolys.begin_active)
3052         {
3053                 Con_Printf("Debug_PolygonVertex: Debug_PolygonBegin wasn't called\n");
3054                 return;
3055         }
3056
3057         if(debugPolys.begin_vertices > VMPOLYGONS_MAXPOINTS)
3058         {
3059                 Con_Printf("Debug_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3060                 return;
3061         }
3062
3063         debugPolys.begin_vertex[debugPolys.begin_vertices][0] = x;
3064         debugPolys.begin_vertex[debugPolys.begin_vertices][1] = y;
3065         debugPolys.begin_vertex[debugPolys.begin_vertices][2] = z;
3066         debugPolys.begin_texcoord[debugPolys.begin_vertices][0] = s;
3067         debugPolys.begin_texcoord[debugPolys.begin_vertices][1] = t;
3068         debugPolys.begin_color[debugPolys.begin_vertices][0] = r;
3069         debugPolys.begin_color[debugPolys.begin_vertices][1] = g;
3070         debugPolys.begin_color[debugPolys.begin_vertices][2] = b;
3071         debugPolys.begin_color[debugPolys.begin_vertices][3] = a;
3072         debugPolys.begin_vertices++;
3073 }
3074
3075 void Debug_PolygonEnd(void)
3076 {
3077         if (!debugPolys.begin_active)
3078         {
3079                 Con_Printf("Debug_PolygonEnd: Debug_PolygonBegin wasn't called\n");
3080                 return;
3081         }
3082         debugPolys.begin_active = false;
3083         if (debugPolys.begin_vertices >= 3)
3084                 VMPolygons_Store(&debugPolys);
3085         else
3086                 Con_Printf("Debug_PolygonEnd: %i vertices isn't a good choice\n", debugPolys.begin_vertices);
3087 }
3088
3089 /*
3090 =============
3091 CL_CheckBottom
3092
3093 Returns false if any part of the bottom of the entity is off an edge that
3094 is not a staircase.
3095
3096 =============
3097 */
3098 qboolean CL_CheckBottom (prvm_edict_t *ent)
3099 {
3100         vec3_t  mins, maxs, start, stop;
3101         trace_t trace;
3102         int             x, y;
3103         float   mid, bottom;
3104
3105         VectorAdd (ent->fields.client->origin, ent->fields.client->mins, mins);
3106         VectorAdd (ent->fields.client->origin, ent->fields.client->maxs, maxs);
3107
3108 // if all of the points under the corners are solid world, don't bother
3109 // with the tougher checks
3110 // the corners must be within 16 of the midpoint
3111         start[2] = mins[2] - 1;
3112         for     (x=0 ; x<=1 ; x++)
3113                 for     (y=0 ; y<=1 ; y++)
3114                 {
3115                         start[0] = x ? maxs[0] : mins[0];
3116                         start[1] = y ? maxs[1] : mins[1];
3117                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
3118                                 goto realcheck;
3119                 }
3120
3121         return true;            // we got out easy
3122
3123 realcheck:
3124 //
3125 // check it for real...
3126 //
3127         start[2] = mins[2];
3128
3129 // the midpoint must be within 16 of the bottom
3130         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
3131         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
3132         stop[2] = start[2] - 2*sv_stepheight.value;
3133         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true);
3134
3135         if (trace.fraction == 1.0)
3136                 return false;
3137         mid = bottom = trace.endpos[2];
3138
3139 // the corners must be within 16 of the midpoint
3140         for     (x=0 ; x<=1 ; x++)
3141                 for     (y=0 ; y<=1 ; y++)
3142                 {
3143                         start[0] = stop[0] = x ? maxs[0] : mins[0];
3144                         start[1] = stop[1] = y ? maxs[1] : mins[1];
3145
3146                         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true);
3147
3148                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
3149                                 bottom = trace.endpos[2];
3150                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
3151                                 return false;
3152                 }
3153
3154         return true;
3155 }
3156
3157 /*
3158 =============
3159 CL_movestep
3160
3161 Called by monster program code.
3162 The move will be adjusted for slopes and stairs, but if the move isn't
3163 possible, no move is done and false is returned
3164 =============
3165 */
3166 qboolean CL_movestep (prvm_edict_t *ent, vec3_t move, qboolean relink, qboolean noenemy, qboolean settrace)
3167 {
3168         float           dz;
3169         vec3_t          oldorg, neworg, end, traceendpos;
3170         trace_t         trace;
3171         int                     i, svent;
3172         prvm_edict_t            *enemy;
3173         prvm_eval_t     *val;
3174
3175 // try the move
3176         VectorCopy (ent->fields.client->origin, oldorg);
3177         VectorAdd (ent->fields.client->origin, move, neworg);
3178
3179 // flying monsters don't step up
3180         if ( (int)ent->fields.client->flags & (FL_SWIM | FL_FLY) )
3181         {
3182         // try one move with vertical motion, then one without
3183                 for (i=0 ; i<2 ; i++)
3184                 {
3185                         VectorAdd (ent->fields.client->origin, move, neworg);
3186                         enemy = PRVM_PROG_TO_EDICT(ent->fields.client->enemy);
3187                         if (i == 0 && enemy != prog->edicts)
3188                         {
3189                                 dz = ent->fields.client->origin[2] - PRVM_PROG_TO_EDICT(ent->fields.client->enemy)->fields.client->origin[2];
3190                                 if (dz > 40)
3191                                         neworg[2] -= 8;
3192                                 if (dz < 30)
3193                                         neworg[2] += 8;
3194                         }
3195                         trace = CL_TraceBox(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->maxs, neworg, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3196                         if (settrace)
3197                                 CL_VM_SetTraceGlobals(&trace, svent);
3198
3199                         if (trace.fraction == 1)
3200                         {
3201                                 VectorCopy(trace.endpos, traceendpos);
3202                                 if (((int)ent->fields.client->flags & FL_SWIM) && !(CL_PointSuperContents(traceendpos) & SUPERCONTENTS_LIQUIDSMASK))
3203                                         return false;   // swim monster left water
3204
3205                                 VectorCopy (traceendpos, ent->fields.client->origin);
3206                                 if (relink)
3207                                         CL_LinkEdict(ent);
3208                                 return true;
3209                         }
3210
3211                         if (enemy == prog->edicts)
3212                                 break;
3213                 }
3214
3215                 return false;
3216         }
3217
3218 // push down from a step height above the wished position
3219         neworg[2] += sv_stepheight.value;
3220         VectorCopy (neworg, end);
3221         end[2] -= sv_stepheight.value*2;
3222
3223         trace = CL_TraceBox(neworg, ent->fields.client->mins, ent->fields.client->maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3224         if (settrace)
3225                 CL_VM_SetTraceGlobals(&trace, svent);
3226
3227         if (trace.startsolid)
3228         {
3229                 neworg[2] -= sv_stepheight.value;
3230                 trace = CL_TraceBox(neworg, ent->fields.client->mins, ent->fields.client->maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, &svent, true);
3231                 if (settrace)
3232                         CL_VM_SetTraceGlobals(&trace, svent);
3233                 if (trace.startsolid)
3234                         return false;
3235         }
3236         if (trace.fraction == 1)
3237         {
3238         // if monster had the ground pulled out, go ahead and fall
3239                 if ( (int)ent->fields.client->flags & FL_PARTIALGROUND )
3240                 {
3241                         VectorAdd (ent->fields.client->origin, move, ent->fields.client->origin);
3242                         if (relink)
3243                                 CL_LinkEdict(ent);
3244                         ent->fields.client->flags = (int)ent->fields.client->flags & ~FL_ONGROUND;
3245                         return true;
3246                 }
3247
3248                 return false;           // walked off an edge
3249         }
3250
3251 // check point traces down for dangling corners
3252         VectorCopy (trace.endpos, ent->fields.client->origin);
3253
3254         if (!CL_CheckBottom (ent))
3255         {
3256                 if ( (int)ent->fields.client->flags & FL_PARTIALGROUND )
3257                 {       // entity had floor mostly pulled out from underneath it
3258                         // and is trying to correct
3259                         if (relink)
3260                                 CL_LinkEdict(ent);
3261                         return true;
3262                 }
3263                 VectorCopy (oldorg, ent->fields.client->origin);
3264                 return false;
3265         }
3266
3267         if ( (int)ent->fields.client->flags & FL_PARTIALGROUND )
3268                 ent->fields.client->flags = (int)ent->fields.client->flags & ~FL_PARTIALGROUND;
3269
3270         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.groundentity)))
3271                 val->edict = PRVM_EDICT_TO_PROG(trace.ent);
3272
3273 // the move is ok
3274         if (relink)
3275                 CL_LinkEdict(ent);
3276         return true;
3277 }
3278
3279 /*
3280 ===============
3281 VM_CL_walkmove
3282
3283 float(float yaw, float dist[, settrace]) walkmove
3284 ===============
3285 */
3286 static void VM_CL_walkmove (void)
3287 {
3288         prvm_edict_t    *ent;
3289         float   yaw, dist;
3290         vec3_t  move;
3291         mfunction_t     *oldf;
3292         int     oldself;
3293         qboolean        settrace;
3294
3295         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_walkmove);
3296
3297         // assume failure if it returns early
3298         PRVM_G_FLOAT(OFS_RETURN) = 0;
3299
3300         ent = PRVM_PROG_TO_EDICT(prog->globals.client->self);
3301         if (ent == prog->edicts)
3302         {
3303                 VM_Warning("walkmove: can not modify world entity\n");
3304                 return;
3305         }
3306         if (ent->priv.server->free)
3307         {
3308                 VM_Warning("walkmove: can not modify free entity\n");
3309                 return;
3310         }
3311         yaw = PRVM_G_FLOAT(OFS_PARM0);
3312         dist = PRVM_G_FLOAT(OFS_PARM1);
3313         settrace = prog->argc >= 3 && PRVM_G_FLOAT(OFS_PARM2);
3314
3315         if ( !( (int)ent->fields.client->flags & (FL_ONGROUND|FL_FLY|FL_SWIM) ) )
3316                 return;
3317
3318         yaw = yaw*M_PI*2 / 360;
3319
3320         move[0] = cos(yaw)*dist;
3321         move[1] = sin(yaw)*dist;
3322         move[2] = 0;
3323
3324 // save program state, because CL_movestep may call other progs
3325         oldf = prog->xfunction;
3326         oldself = prog->globals.client->self;
3327
3328         PRVM_G_FLOAT(OFS_RETURN) = CL_movestep(ent, move, true, false, settrace);
3329
3330
3331 // restore program state
3332         prog->xfunction = oldf;
3333         prog->globals.client->self = oldself;
3334 }
3335
3336 /*
3337 ===============
3338 VM_CL_serverkey
3339
3340 string(string key) serverkey
3341 ===============
3342 */
3343 void VM_CL_serverkey(void)
3344 {
3345         char string[VM_STRINGTEMP_LENGTH];
3346         VM_SAFEPARMCOUNT(1, VM_CL_serverkey);
3347         InfoString_GetValue(cl.qw_serverinfo, PRVM_G_STRING(OFS_PARM0), string, sizeof(string));
3348         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(string);
3349 }
3350
3351 /*
3352 =================
3353 VM_CL_checkpvs
3354
3355 Checks if an entity is in a point's PVS.
3356 Should be fast but can be inexact.
3357
3358 float checkpvs(vector viewpos, entity viewee) = #240;
3359 =================
3360 */
3361 static void VM_CL_checkpvs (void)
3362 {
3363         vec3_t viewpos;
3364         prvm_edict_t *viewee;
3365         vec3_t mi, ma;
3366 #if 1
3367         unsigned char *pvs;
3368 #else
3369         int fatpvsbytes;
3370         unsigned char fatpvs[MAX_MAP_LEAFS/8];
3371 #endif
3372
3373         VM_SAFEPARMCOUNT(2, VM_SV_checkpvs);
3374         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), viewpos);
3375         viewee = PRVM_G_EDICT(OFS_PARM1);
3376
3377         if(viewee->priv.required->free)
3378         {
3379                 VM_Warning("checkpvs: can not check free entity\n");
3380                 PRVM_G_FLOAT(OFS_RETURN) = 4;
3381                 return;
3382         }
3383
3384         VectorAdd(viewee->fields.server->origin, viewee->fields.server->mins, mi);
3385         VectorAdd(viewee->fields.server->origin, viewee->fields.server->maxs, ma);
3386
3387 #if 1
3388         if(!sv.worldmodel->brush.GetPVS || !sv.worldmodel->brush.BoxTouchingPVS)
3389         {
3390                 // no PVS support on this worldmodel... darn
3391                 PRVM_G_FLOAT(OFS_RETURN) = 3;
3392                 return;
3393         }
3394         pvs = sv.worldmodel->brush.GetPVS(sv.worldmodel, viewpos);