entity light equalization as an alternative rendering of EF_FULLBRIGHT entities....
[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
166         VM_SAFEPARMCOUNT(5, VM_CL_sound);
167
168         entity = PRVM_G_EDICT(OFS_PARM0);
169         channel = (int)PRVM_G_FLOAT(OFS_PARM1);
170         sample = PRVM_G_STRING(OFS_PARM2);
171         volume = PRVM_G_FLOAT(OFS_PARM3);
172         attenuation = PRVM_G_FLOAT(OFS_PARM4);
173
174         if (volume < 0 || volume > 1)
175         {
176                 VM_Warning("VM_CL_sound: volume must be in range 0-1\n");
177                 return;
178         }
179
180         if (attenuation < 0 || attenuation > 4)
181         {
182                 VM_Warning("VM_CL_sound: attenuation must be in range 0-4\n");
183                 return;
184         }
185
186         if (channel < 0 || channel > 7)
187         {
188                 VM_Warning("VM_CL_sound: channel must be in range 0-7\n");
189                 return;
190         }
191
192         S_StartSound(32768 + PRVM_NUM_FOR_EDICT(entity), channel, S_FindName(sample), entity->fields.client->origin, volume, attenuation);
193 }
194
195 // #483 void(vector origin, string sample, float volume, float attenuation) pointsound
196 static void VM_CL_pointsound(void)
197 {
198         const char                      *sample;
199         float                           volume;
200         float                           attenuation;
201         vec3_t                          org;
202
203         VM_SAFEPARMCOUNT(4, VM_CL_pointsound);
204
205         VectorCopy( PRVM_G_VECTOR(OFS_PARM0), org);
206         sample = PRVM_G_STRING(OFS_PARM1);
207         volume = PRVM_G_FLOAT(OFS_PARM2);
208         attenuation = PRVM_G_FLOAT(OFS_PARM3);
209
210         if (volume < 0 || volume > 1)
211         {
212                 VM_Warning("VM_CL_pointsound: volume must be in range 0-1\n");
213                 return;
214         }
215
216         if (attenuation < 0 || attenuation > 4)
217         {
218                 VM_Warning("VM_CL_pointsound: attenuation must be in range 0-4\n");
219                 return;
220         }
221
222         // Send World Entity as Entity to Play Sound (for CSQC, that is 32768)
223         S_StartSound(32768, 0, S_FindName(sample), org, volume, attenuation);
224 }
225
226 // #14 entity() spawn
227 static void VM_CL_spawn (void)
228 {
229         prvm_edict_t *ed;
230         ed = PRVM_ED_Alloc();
231         VM_RETURN_EDICT(ed);
232 }
233
234 void CL_VM_SetTraceGlobals(const trace_t *trace, int svent)
235 {
236         prvm_eval_t *val;
237         VM_SetTraceGlobals(trace);
238         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_networkentity)))
239                 val->_float = svent;
240 }
241
242 #define CL_HitNetworkBrushModels(move) !((move) == MOVE_WORLDONLY)
243 #define CL_HitNetworkPlayers(move)     !((move) == MOVE_WORLDONLY || (move) == MOVE_NOMONSTERS)
244
245 // #16 void(vector v1, vector v2, float movetype, entity ignore) traceline
246 static void VM_CL_traceline (void)
247 {
248         float   *v1, *v2;
249         trace_t trace;
250         int             move, svent;
251         prvm_edict_t    *ent;
252
253         VM_SAFEPARMCOUNTRANGE(4, 4, VM_CL_traceline);
254
255         prog->xfunction->builtinsprofile += 30;
256
257         v1 = PRVM_G_VECTOR(OFS_PARM0);
258         v2 = PRVM_G_VECTOR(OFS_PARM1);
259         move = (int)PRVM_G_FLOAT(OFS_PARM2);
260         ent = PRVM_G_EDICT(OFS_PARM3);
261
262         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]))
263                 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));
264
265         trace = CL_TraceLine(v1, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
266
267         CL_VM_SetTraceGlobals(&trace, svent);
268 }
269
270 /*
271 =================
272 VM_CL_tracebox
273
274 Used for use tracing and shot targeting
275 Traces are blocked by bbox and exact bsp entityes, and also slide box entities
276 if the tryents flag is set.
277
278 tracebox (vector1, vector mins, vector maxs, vector2, tryents)
279 =================
280 */
281 // LordHavoc: added this for my own use, VERY useful, similar to traceline
282 static void VM_CL_tracebox (void)
283 {
284         float   *v1, *v2, *m1, *m2;
285         trace_t trace;
286         int             move, svent;
287         prvm_edict_t    *ent;
288
289         VM_SAFEPARMCOUNTRANGE(6, 8, VM_CL_tracebox); // allow more parameters for future expansion
290
291         prog->xfunction->builtinsprofile += 30;
292
293         v1 = PRVM_G_VECTOR(OFS_PARM0);
294         m1 = PRVM_G_VECTOR(OFS_PARM1);
295         m2 = PRVM_G_VECTOR(OFS_PARM2);
296         v2 = PRVM_G_VECTOR(OFS_PARM3);
297         move = (int)PRVM_G_FLOAT(OFS_PARM4);
298         ent = PRVM_G_EDICT(OFS_PARM5);
299
300         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]))
301                 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));
302
303         trace = CL_TraceBox(v1, m1, m2, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
304
305         CL_VM_SetTraceGlobals(&trace, svent);
306 }
307
308 trace_t CL_Trace_Toss (prvm_edict_t *tossent, prvm_edict_t *ignore, int *svent)
309 {
310         int i;
311         float gravity;
312         vec3_t move, end;
313         vec3_t original_origin;
314         vec3_t original_velocity;
315         vec3_t original_angles;
316         vec3_t original_avelocity;
317         prvm_eval_t *val;
318         trace_t trace;
319
320         VectorCopy(tossent->fields.client->origin   , original_origin   );
321         VectorCopy(tossent->fields.client->velocity , original_velocity );
322         VectorCopy(tossent->fields.client->angles   , original_angles   );
323         VectorCopy(tossent->fields.client->avelocity, original_avelocity);
324
325         val = PRVM_EDICTFIELDVALUE(tossent, prog->fieldoffsets.gravity);
326         if (val != NULL && val->_float != 0)
327                 gravity = val->_float;
328         else
329                 gravity = 1.0;
330         gravity *= cl.movevars_gravity * 0.05;
331
332         for (i = 0;i < 200;i++) // LordHavoc: sanity check; never trace more than 10 seconds
333         {
334                 tossent->fields.client->velocity[2] -= gravity;
335                 VectorMA (tossent->fields.client->angles, 0.05, tossent->fields.client->avelocity, tossent->fields.client->angles);
336                 VectorScale (tossent->fields.client->velocity, 0.05, move);
337                 VectorAdd (tossent->fields.client->origin, move, end);
338                 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);
339                 VectorCopy (trace.endpos, tossent->fields.client->origin);
340
341                 if (trace.fraction < 1)
342                         break;
343         }
344
345         VectorCopy(original_origin   , tossent->fields.client->origin   );
346         VectorCopy(original_velocity , tossent->fields.client->velocity );
347         VectorCopy(original_angles   , tossent->fields.client->angles   );
348         VectorCopy(original_avelocity, tossent->fields.client->avelocity);
349
350         return trace;
351 }
352
353 static void VM_CL_tracetoss (void)
354 {
355         trace_t trace;
356         prvm_edict_t    *ent;
357         prvm_edict_t    *ignore;
358         int svent;
359
360         prog->xfunction->builtinsprofile += 600;
361
362         VM_SAFEPARMCOUNT(2, VM_CL_tracetoss);
363
364         ent = PRVM_G_EDICT(OFS_PARM0);
365         if (ent == prog->edicts)
366         {
367                 VM_Warning("tracetoss: can not use world entity\n");
368                 return;
369         }
370         ignore = PRVM_G_EDICT(OFS_PARM1);
371
372         trace = CL_Trace_Toss (ent, ignore, &svent);
373
374         CL_VM_SetTraceGlobals(&trace, svent);
375 }
376
377
378 // #20 void(string s) precache_model
379 void VM_CL_precache_model (void)
380 {
381         const char      *name;
382         int                     i;
383         dp_model_t              *m;
384
385         VM_SAFEPARMCOUNT(1, VM_CL_precache_model);
386
387         name = PRVM_G_STRING(OFS_PARM0);
388         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
389         {
390                 if(!strcmp(cl.csqc_model_precache[i]->name, name))
391                 {
392                         PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
393                         return;
394                 }
395         }
396         PRVM_G_FLOAT(OFS_RETURN) = 0;
397         m = Mod_ForName(name, false, false, name[0] == '*' ? cl.model_name[1] : NULL);
398         if(m && m->loaded)
399         {
400                 for (i = 0;i < MAX_MODELS;i++)
401                 {
402                         if (!cl.csqc_model_precache[i])
403                         {
404                                 cl.csqc_model_precache[i] = (dp_model_t*)m;
405                                 PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
406                                 return;
407                         }
408                 }
409                 VM_Warning("VM_CL_precache_model: no free models\n");
410                 return;
411         }
412         VM_Warning("VM_CL_precache_model: model \"%s\" not found\n", name);
413 }
414
415 int CSQC_EntitiesInBox (vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
416 {
417         prvm_edict_t    *ent;
418         int                             i, k;
419
420         ent = PRVM_NEXT_EDICT(prog->edicts);
421         for(k=0,i=1; i<prog->num_edicts ;i++, ent = PRVM_NEXT_EDICT(ent))
422         {
423                 if (ent->priv.required->free)
424                         continue;
425                 if(BoxesOverlap(mins, maxs, ent->fields.client->absmin, ent->fields.client->absmax))
426                         list[k++] = ent;
427         }
428         return k;
429 }
430
431 // #22 entity(vector org, float rad) findradius
432 static void VM_CL_findradius (void)
433 {
434         prvm_edict_t    *ent, *chain;
435         vec_t                   radius, radius2;
436         vec3_t                  org, eorg, mins, maxs;
437         int                             i, numtouchedicts;
438         prvm_edict_t    *touchedicts[MAX_EDICTS];
439         int             chainfield;
440
441         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_findradius);
442
443         if(prog->argc == 3)
444                 chainfield = PRVM_G_INT(OFS_PARM2);
445         else
446                 chainfield = prog->fieldoffsets.chain;
447         if(chainfield < 0)
448                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
449
450         chain = (prvm_edict_t *)prog->edicts;
451
452         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
453         radius = PRVM_G_FLOAT(OFS_PARM1);
454         radius2 = radius * radius;
455
456         mins[0] = org[0] - (radius + 1);
457         mins[1] = org[1] - (radius + 1);
458         mins[2] = org[2] - (radius + 1);
459         maxs[0] = org[0] + (radius + 1);
460         maxs[1] = org[1] + (radius + 1);
461         maxs[2] = org[2] + (radius + 1);
462         numtouchedicts = CSQC_EntitiesInBox(mins, maxs, MAX_EDICTS, touchedicts);
463         if (numtouchedicts > MAX_EDICTS)
464         {
465                 // this never happens   //[515]: for what then ?
466                 Con_Printf("CSQC_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
467                 numtouchedicts = MAX_EDICTS;
468         }
469         for (i = 0;i < numtouchedicts;i++)
470         {
471                 ent = touchedicts[i];
472                 // Quake did not return non-solid entities but darkplaces does
473                 // (note: this is the reason you can't blow up fallen zombies)
474                 if (ent->fields.client->solid == SOLID_NOT && !sv_gameplayfix_blowupfallenzombies.integer)
475                         continue;
476                 // LordHavoc: compare against bounding box rather than center so it
477                 // doesn't miss large objects, and use DotProduct instead of Length
478                 // for a major speedup
479                 VectorSubtract(org, ent->fields.client->origin, eorg);
480                 if (sv_gameplayfix_findradiusdistancetobox.integer)
481                 {
482                         eorg[0] -= bound(ent->fields.client->mins[0], eorg[0], ent->fields.client->maxs[0]);
483                         eorg[1] -= bound(ent->fields.client->mins[1], eorg[1], ent->fields.client->maxs[1]);
484                         eorg[2] -= bound(ent->fields.client->mins[2], eorg[2], ent->fields.client->maxs[2]);
485                 }
486                 else
487                         VectorMAMAM(1, eorg, -0.5f, ent->fields.client->mins, -0.5f, ent->fields.client->maxs, eorg);
488                 if (DotProduct(eorg, eorg) < radius2)
489                 {
490                         PRVM_EDICTFIELDVALUE(ent, chainfield)->edict = PRVM_EDICT_TO_PROG(chain);
491                         chain = ent;
492                 }
493         }
494
495         VM_RETURN_EDICT(chain);
496 }
497
498 // #34 float() droptofloor
499 static void VM_CL_droptofloor (void)
500 {
501         prvm_edict_t            *ent;
502         prvm_eval_t                     *val;
503         vec3_t                          end;
504         trace_t                         trace;
505
506         VM_SAFEPARMCOUNTRANGE(0, 2, VM_CL_droptofloor); // allow 2 parameters because the id1 defs.qc had an incorrect prototype
507
508         // assume failure if it returns early
509         PRVM_G_FLOAT(OFS_RETURN) = 0;
510
511         ent = PRVM_PROG_TO_EDICT(prog->globals.client->self);
512         if (ent == prog->edicts)
513         {
514                 VM_Warning("droptofloor: can not modify world entity\n");
515                 return;
516         }
517         if (ent->priv.server->free)
518         {
519                 VM_Warning("droptofloor: can not modify free entity\n");
520                 return;
521         }
522
523         VectorCopy (ent->fields.client->origin, end);
524         end[2] -= 256;
525
526         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);
527
528         if (trace.fraction != 1)
529         {
530                 VectorCopy (trace.endpos, ent->fields.client->origin);
531                 ent->fields.client->flags = (int)ent->fields.client->flags | FL_ONGROUND;
532                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.groundentity)))
533                         val->edict = PRVM_EDICT_TO_PROG(trace.ent);
534                 PRVM_G_FLOAT(OFS_RETURN) = 1;
535                 // if support is destroyed, keep suspended (gross hack for floating items in various maps)
536 //              ent->priv.server->suspendedinairflag = true;
537         }
538 }
539
540 // #35 void(float style, string value) lightstyle
541 static void VM_CL_lightstyle (void)
542 {
543         int                     i;
544         const char      *c;
545
546         VM_SAFEPARMCOUNT(2, VM_CL_lightstyle);
547
548         i = (int)PRVM_G_FLOAT(OFS_PARM0);
549         c = PRVM_G_STRING(OFS_PARM1);
550         if (i >= cl.max_lightstyle)
551         {
552                 VM_Warning("VM_CL_lightstyle >= MAX_LIGHTSTYLES\n");
553                 return;
554         }
555         strlcpy (cl.lightstyle[i].map, c, sizeof (cl.lightstyle[i].map));
556         cl.lightstyle[i].map[MAX_STYLESTRING - 1] = 0;
557         cl.lightstyle[i].length = (int)strlen(cl.lightstyle[i].map);
558 }
559
560 // #40 float(entity e) checkbottom
561 static void VM_CL_checkbottom (void)
562 {
563         static int              cs_yes, cs_no;
564         prvm_edict_t    *ent;
565         vec3_t                  mins, maxs, start, stop;
566         trace_t                 trace;
567         int                             x, y;
568         float                   mid, bottom;
569
570         VM_SAFEPARMCOUNT(1, VM_CL_checkbottom);
571         ent = PRVM_G_EDICT(OFS_PARM0);
572         PRVM_G_FLOAT(OFS_RETURN) = 0;
573
574         VectorAdd (ent->fields.client->origin, ent->fields.client->mins, mins);
575         VectorAdd (ent->fields.client->origin, ent->fields.client->maxs, maxs);
576
577 // if all of the points under the corners are solid world, don't bother
578 // with the tougher checks
579 // the corners must be within 16 of the midpoint
580         start[2] = mins[2] - 1;
581         for     (x=0 ; x<=1 ; x++)
582                 for     (y=0 ; y<=1 ; y++)
583                 {
584                         start[0] = x ? maxs[0] : mins[0];
585                         start[1] = y ? maxs[1] : mins[1];
586                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
587                                 goto realcheck;
588                 }
589
590         cs_yes++;
591         PRVM_G_FLOAT(OFS_RETURN) = true;
592         return;         // we got out easy
593
594 realcheck:
595         cs_no++;
596 //
597 // check it for real...
598 //
599         start[2] = mins[2];
600
601 // the midpoint must be within 16 of the bottom
602         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
603         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
604         stop[2] = start[2] - 2*sv_stepheight.value;
605         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
606
607         if (trace.fraction == 1.0)
608                 return;
609
610         mid = bottom = trace.endpos[2];
611
612 // the corners must be within 16 of the midpoint
613         for     (x=0 ; x<=1 ; x++)
614                 for     (y=0 ; y<=1 ; y++)
615                 {
616                         start[0] = stop[0] = x ? maxs[0] : mins[0];
617                         start[1] = stop[1] = y ? maxs[1] : mins[1];
618
619                         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
620
621                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
622                                 bottom = trace.endpos[2];
623                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
624                                 return;
625                 }
626
627         cs_yes++;
628         PRVM_G_FLOAT(OFS_RETURN) = true;
629 }
630
631 // #41 float(vector v) pointcontents
632 static void VM_CL_pointcontents (void)
633 {
634         VM_SAFEPARMCOUNT(1, VM_CL_pointcontents);
635         PRVM_G_FLOAT(OFS_RETURN) = Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CL_PointSuperContents(PRVM_G_VECTOR(OFS_PARM0)));
636 }
637
638 // #48 void(vector o, vector d, float color, float count) particle
639 static void VM_CL_particle (void)
640 {
641         float   *org, *dir;
642         int             count;
643         unsigned char   color;
644         VM_SAFEPARMCOUNT(4, VM_CL_particle);
645
646         org = PRVM_G_VECTOR(OFS_PARM0);
647         dir = PRVM_G_VECTOR(OFS_PARM1);
648         color = (int)PRVM_G_FLOAT(OFS_PARM2);
649         count = (int)PRVM_G_FLOAT(OFS_PARM3);
650         CL_ParticleEffect(EFFECT_SVC_PARTICLE, count, org, org, dir, dir, NULL, color);
651 }
652
653 // #74 void(vector pos, string samp, float vol, float atten) ambientsound
654 static void VM_CL_ambientsound (void)
655 {
656         float   *f;
657         sfx_t   *s;
658         VM_SAFEPARMCOUNT(4, VM_CL_ambientsound);
659         s = S_FindName(PRVM_G_STRING(OFS_PARM0));
660         f = PRVM_G_VECTOR(OFS_PARM1);
661         S_StaticSound (s, f, PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM3)*64);
662 }
663
664 // #92 vector(vector org) getlight (DP_QC_GETLIGHT)
665 static void VM_CL_getlight (void)
666 {
667         vec3_t ambientcolor, diffusecolor, diffusenormal;
668         vec_t *p;
669
670         VM_SAFEPARMCOUNT(1, VM_CL_getlight);
671
672         p = PRVM_G_VECTOR(OFS_PARM0);
673         VectorClear(ambientcolor);
674         VectorClear(diffusecolor);
675         VectorClear(diffusenormal);
676         if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
677                 cl.worldmodel->brush.LightPoint(cl.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
678         VectorMA(ambientcolor, 0.5, diffusecolor, PRVM_G_VECTOR(OFS_RETURN));
679 }
680
681
682 //============================================================================
683 //[515]: SCENE MANAGER builtins
684 extern qboolean CSQC_AddRenderEdict (prvm_edict_t *ed);//csprogs.c
685
686 static void CSQC_R_RecalcView (void)
687 {
688         extern matrix4x4_t viewmodelmatrix;
689         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);
690         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);
691 }
692
693 void CL_RelinkLightFlashes(void);
694 //#300 void() clearscene (EXT_CSQC)
695 void VM_CL_R_ClearScene (void)
696 {
697         VM_SAFEPARMCOUNT(0, VM_CL_R_ClearScene);
698         // clear renderable entity and light lists
699         r_refdef.scene.numentities = 0;
700         r_refdef.scene.numlights = 0;
701         // FIXME: restore these to the values from VM_CL_UpdateView
702         r_refdef.view.x = 0;
703         r_refdef.view.y = 0;
704         r_refdef.view.z = 0;
705         r_refdef.view.width = vid.width;
706         r_refdef.view.height = vid.height;
707         r_refdef.view.depth = 1;
708         // FIXME: restore frustum_x/frustum_y
709         r_refdef.view.useperspective = true;
710         r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
711         r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
712         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
713         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
714         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;
715         r_refdef.view.ortho_y = scr_fov.value * (3.0 / 4.0);
716         r_refdef.view.clear = true;
717         r_refdef.view.isoverlay = false;
718         // FIXME: restore cl.csqc_origin
719         // FIXME: restore cl.csqc_angles
720         cl.csqc_vidvars.drawworld = true;
721         cl.csqc_vidvars.drawenginesbar = false;
722         cl.csqc_vidvars.drawcrosshair = false;
723 }
724
725 //#301 void(float mask) addentities (EXT_CSQC)
726 extern void CSQC_Predraw (prvm_edict_t *ed);//csprogs.c
727 extern void CSQC_Think (prvm_edict_t *ed);//csprogs.c
728 void VM_CL_R_AddEntities (void)
729 {
730         double t = Sys_DoubleTime();
731         int                     i, drawmask;
732         prvm_edict_t *ed;
733         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntities);
734         drawmask = (int)PRVM_G_FLOAT(OFS_PARM0);
735         CSQC_RelinkAllEntities(drawmask);
736         CL_RelinkLightFlashes();
737
738         prog->globals.client->time = cl.time;
739         for(i=1;i<prog->num_edicts;i++)
740         {
741                 ed = &prog->edicts[i];
742                 if(ed->priv.required->free)
743                         continue;
744                 CSQC_Think(ed);
745                 if(ed->priv.required->free)
746                         continue;
747                 // note that for RF_USEAXIS entities, Predraw sets v_forward/v_right/v_up globals that are read by CSQC_AddRenderEdict
748                 CSQC_Predraw(ed);
749                 if(ed->priv.required->free)
750                         continue;
751                 if(!((int)ed->fields.client->drawmask & drawmask))
752                         continue;
753                 CSQC_AddRenderEdict(ed);
754         }
755
756         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
757         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
758 }
759
760 //#302 void(entity ent) addentity (EXT_CSQC)
761 void VM_CL_R_AddEntity (void)
762 {
763         double t = Sys_DoubleTime();
764         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntity);
765         CSQC_AddRenderEdict(PRVM_G_EDICT(OFS_PARM0));
766         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
767 }
768
769 //#303 float(float property, ...) setproperty (EXT_CSQC)
770 void VM_CL_R_SetView (void)
771 {
772         int             c;
773         float   *f;
774         float   k;
775
776         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_R_SetView);
777
778         c = (int)PRVM_G_FLOAT(OFS_PARM0);
779         f = PRVM_G_VECTOR(OFS_PARM1);
780         k = PRVM_G_FLOAT(OFS_PARM1);
781
782         switch(c)
783         {
784         case VF_MIN:
785                 r_refdef.view.x = (int)(f[0]);
786                 r_refdef.view.y = (int)(f[1]);
787                 break;
788         case VF_MIN_X:
789                 r_refdef.view.x = (int)(k);
790                 break;
791         case VF_MIN_Y:
792                 r_refdef.view.y = (int)(k);
793                 break;
794         case VF_SIZE:
795                 r_refdef.view.width = (int)(f[0]);
796                 r_refdef.view.height = (int)(f[1]);
797                 break;
798         case VF_SIZE_X:
799                 r_refdef.view.width = (int)(k);
800                 break;
801         case VF_SIZE_Y:
802                 r_refdef.view.height = (int)(k);
803                 break;
804         case VF_VIEWPORT:
805                 r_refdef.view.x = (int)(f[0]);
806                 r_refdef.view.y = (int)(f[1]);
807                 f = PRVM_G_VECTOR(OFS_PARM2);
808                 r_refdef.view.width = (int)(f[0]);
809                 r_refdef.view.height = (int)(f[1]);
810                 break;
811         case VF_FOV:
812                 r_refdef.view.frustum_x = tan(f[0] * M_PI / 360.0);r_refdef.view.ortho_x = f[0];
813                 r_refdef.view.frustum_y = tan(f[1] * M_PI / 360.0);r_refdef.view.ortho_y = f[1];
814                 break;
815         case VF_FOVX:
816                 r_refdef.view.frustum_x = tan(k * M_PI / 360.0);r_refdef.view.ortho_x = k;
817                 break;
818         case VF_FOVY:
819                 r_refdef.view.frustum_y = tan(k * M_PI / 360.0);r_refdef.view.ortho_y = k;
820                 break;
821         case VF_ORIGIN:
822                 VectorCopy(f, cl.csqc_origin);
823                 CSQC_R_RecalcView();
824                 break;
825         case VF_ORIGIN_X:
826                 cl.csqc_origin[0] = k;
827                 CSQC_R_RecalcView();
828                 break;
829         case VF_ORIGIN_Y:
830                 cl.csqc_origin[1] = k;
831                 CSQC_R_RecalcView();
832                 break;
833         case VF_ORIGIN_Z:
834                 cl.csqc_origin[2] = k;
835                 CSQC_R_RecalcView();
836                 break;
837         case VF_ANGLES:
838                 VectorCopy(f, cl.csqc_angles);
839                 CSQC_R_RecalcView();
840                 break;
841         case VF_ANGLES_X:
842                 cl.csqc_angles[0] = k;
843                 CSQC_R_RecalcView();
844                 break;
845         case VF_ANGLES_Y:
846                 cl.csqc_angles[1] = k;
847                 CSQC_R_RecalcView();
848                 break;
849         case VF_ANGLES_Z:
850                 cl.csqc_angles[2] = k;
851                 CSQC_R_RecalcView();
852                 break;
853         case VF_DRAWWORLD:
854                 cl.csqc_vidvars.drawworld = k != 0;
855                 break;
856         case VF_DRAWENGINESBAR:
857                 cl.csqc_vidvars.drawenginesbar = k != 0;
858                 break;
859         case VF_DRAWCROSSHAIR:
860                 cl.csqc_vidvars.drawcrosshair = k != 0;
861                 break;
862         case VF_CL_VIEWANGLES:
863                 VectorCopy(f, cl.viewangles);
864                 break;
865         case VF_CL_VIEWANGLES_X:
866                 cl.viewangles[0] = k;
867                 break;
868         case VF_CL_VIEWANGLES_Y:
869                 cl.viewangles[1] = k;
870                 break;
871         case VF_CL_VIEWANGLES_Z:
872                 cl.viewangles[2] = k;
873                 break;
874         case VF_PERSPECTIVE:
875                 r_refdef.view.useperspective = k != 0;
876                 break;
877         case VF_CLEARSCREEN:
878                 r_refdef.view.isoverlay = !k;
879                 break;
880         default:
881                 PRVM_G_FLOAT(OFS_RETURN) = 0;
882                 VM_Warning("VM_CL_R_SetView : unknown parm %i\n", c);
883                 return;
884         }
885         PRVM_G_FLOAT(OFS_RETURN) = 1;
886 }
887
888 //#305 void(vector org, float radius, vector lightcolours[, float style, string cubemapname, float pflags]) adddynamiclight (EXT_CSQC)
889 void VM_CL_R_AddDynamicLight (void)
890 {
891         double t = Sys_DoubleTime();
892         vec_t *org;
893         float radius = 300;
894         vec_t *col;
895         int style = -1;
896         const char *cubemapname = NULL;
897         int pflags = PFLAGS_CORONA | PFLAGS_FULLDYNAMIC;
898         float coronaintensity = 1;
899         float coronasizescale = 0.25;
900         qboolean castshadow = true;
901         float ambientscale = 0;
902         float diffusescale = 1;
903         float specularscale = 1;
904         matrix4x4_t matrix;
905         vec3_t forward, left, up;
906         VM_SAFEPARMCOUNTRANGE(3, 8, VM_CL_R_AddDynamicLight);
907
908         // if we've run out of dlights, just return
909         if (r_refdef.scene.numlights >= MAX_DLIGHTS)
910                 return;
911
912         org = PRVM_G_VECTOR(OFS_PARM0);
913         radius = PRVM_G_FLOAT(OFS_PARM1);
914         col = PRVM_G_VECTOR(OFS_PARM2);
915         if (prog->argc >= 4)
916         {
917                 style = (int)PRVM_G_FLOAT(OFS_PARM3);
918                 if (style >= MAX_LIGHTSTYLES)
919                 {
920                         Con_DPrintf("VM_CL_R_AddDynamicLight: out of bounds lightstyle index %i\n", style);
921                         style = -1;
922                 }
923         }
924         if (prog->argc >= 5)
925                 cubemapname = PRVM_G_STRING(OFS_PARM4);
926         if (prog->argc >= 6)
927                 pflags = (int)PRVM_G_FLOAT(OFS_PARM5);
928         coronaintensity = (pflags & PFLAGS_CORONA) != 0;
929         castshadow = (pflags & PFLAGS_NOSHADOW) == 0;
930
931         VectorScale(prog->globals.client->v_forward, radius, forward);
932         VectorScale(prog->globals.client->v_right, -radius, left);
933         VectorScale(prog->globals.client->v_up, radius, up);
934         Matrix4x4_FromVectors(&matrix, forward, left, up, org);
935
936         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);
937         r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights++];
938         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
939 }
940
941 //============================================================================
942
943 //#310 vector (vector v) cs_unproject (EXT_CSQC)
944 static void VM_CL_unproject (void)
945 {
946         float   *f;
947         vec3_t  temp;
948
949         VM_SAFEPARMCOUNT(1, VM_CL_unproject);
950         f = PRVM_G_VECTOR(OFS_PARM0);
951         if(v_flipped.integer)
952                 f[0] = (2 * r_refdef.view.x + r_refdef.view.width) * (vid_conwidth.integer / (float) vid.width) - f[0];
953         VectorSet(temp,
954                 f[2],
955                 (-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,
956                 (-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);
957         Matrix4x4_Transform(&r_refdef.view.matrix, temp, PRVM_G_VECTOR(OFS_RETURN));
958 }
959
960 //#311 vector (vector v) cs_project (EXT_CSQC)
961 static void VM_CL_project (void)
962 {
963         float   *f;
964         vec3_t  v;
965         matrix4x4_t m;
966
967         VM_SAFEPARMCOUNT(1, VM_CL_project);
968         f = PRVM_G_VECTOR(OFS_PARM0);
969         Matrix4x4_Invert_Simple(&m, &r_refdef.view.matrix);
970         Matrix4x4_Transform(&m, f, v);
971         if(v_flipped.integer)
972                 v[1] = -v[1];
973         VectorSet(PRVM_G_VECTOR(OFS_RETURN),
974                 (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)),
975                 (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)),
976                 v[0]);
977 }
978
979 //#330 float(float stnum) getstatf (EXT_CSQC)
980 static void VM_CL_getstatf (void)
981 {
982         int i;
983         union
984         {
985                 float f;
986                 int l;
987         }dat;
988         VM_SAFEPARMCOUNT(1, VM_CL_getstatf);
989         i = (int)PRVM_G_FLOAT(OFS_PARM0);
990         if(i < 0 || i >= MAX_CL_STATS)
991         {
992                 VM_Warning("VM_CL_getstatf: index>=MAX_CL_STATS or index<0\n");
993                 return;
994         }
995         dat.l = cl.stats[i];
996         PRVM_G_FLOAT(OFS_RETURN) =  dat.f;
997 }
998
999 //#331 float(float stnum) getstati (EXT_CSQC)
1000 static void VM_CL_getstati (void)
1001 {
1002         int i, index;
1003         int firstbit, bitcount;
1004
1005         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getstati);
1006
1007         index = (int)PRVM_G_FLOAT(OFS_PARM0);
1008         if (prog->argc > 1)
1009         {
1010                 firstbit = (int)PRVM_G_FLOAT(OFS_PARM1);
1011                 if (prog->argc > 2)
1012                         bitcount = (int)PRVM_G_FLOAT(OFS_PARM2);
1013                 else
1014                         bitcount = 1;
1015         }
1016         else
1017         {
1018                 firstbit = 0;
1019                 bitcount = 32;
1020         }
1021
1022         if(index < 0 || index >= MAX_CL_STATS)
1023         {
1024                 VM_Warning("VM_CL_getstati: index>=MAX_CL_STATS or index<0\n");
1025                 return;
1026         }
1027         i = cl.stats[index];
1028         if (bitcount != 32)     //32 causes the mask to overflow, so there's nothing to subtract from.
1029                 i = (((unsigned int)i)&(((1<<bitcount)-1)<<firstbit))>>firstbit;
1030         PRVM_G_FLOAT(OFS_RETURN) = i;
1031 }
1032
1033 //#332 string(float firststnum) getstats (EXT_CSQC)
1034 static void VM_CL_getstats (void)
1035 {
1036         int i;
1037         char t[17];
1038         VM_SAFEPARMCOUNT(1, VM_CL_getstats);
1039         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1040         if(i < 0 || i > MAX_CL_STATS-4)
1041         {
1042                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1043                 VM_Warning("VM_CL_getstats: index>MAX_CL_STATS-4 or index<0\n");
1044                 return;
1045         }
1046         strlcpy(t, (char*)&cl.stats[i], sizeof(t));
1047         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
1048 }
1049
1050 //#333 void(entity e, float mdlindex) setmodelindex (EXT_CSQC)
1051 static void VM_CL_setmodelindex (void)
1052 {
1053         int                             i;
1054         prvm_edict_t    *t;
1055         struct model_s  *model;
1056
1057         VM_SAFEPARMCOUNT(2, VM_CL_setmodelindex);
1058
1059         t = PRVM_G_EDICT(OFS_PARM0);
1060
1061         i = (int)PRVM_G_FLOAT(OFS_PARM1);
1062
1063         t->fields.client->model = 0;
1064         t->fields.client->modelindex = 0;
1065
1066         if (!i)
1067                 return;
1068
1069         model = CL_GetModelByIndex(i);
1070         if (!model)
1071         {
1072                 VM_Warning("VM_CL_setmodelindex: null model\n");
1073                 return;
1074         }
1075         t->fields.client->model = PRVM_SetEngineString(model->name);
1076         t->fields.client->modelindex = i;
1077
1078         // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
1079         if (model)
1080         {
1081                 SetMinMaxSize (t, model->normalmins, model->normalmaxs);
1082         }
1083         else
1084                 SetMinMaxSize (t, vec3_origin, vec3_origin);
1085 }
1086
1087 //#334 string(float mdlindex) modelnameforindex (EXT_CSQC)
1088 static void VM_CL_modelnameforindex (void)
1089 {
1090         dp_model_t *model;
1091
1092         VM_SAFEPARMCOUNT(1, VM_CL_modelnameforindex);
1093
1094         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1095         model = CL_GetModelByIndex((int)PRVM_G_FLOAT(OFS_PARM0));
1096         PRVM_G_INT(OFS_RETURN) = model ? PRVM_SetEngineString(model->name) : 0;
1097 }
1098
1099 //#335 float(string effectname) particleeffectnum (EXT_CSQC)
1100 static void VM_CL_particleeffectnum (void)
1101 {
1102         int                     i;
1103         VM_SAFEPARMCOUNT(1, VM_CL_particleeffectnum);
1104         i = CL_ParticleEffectIndexForName(PRVM_G_STRING(OFS_PARM0));
1105         if (i == 0)
1106                 i = -1;
1107         PRVM_G_FLOAT(OFS_RETURN) = i;
1108 }
1109
1110 // #336 void(entity ent, float effectnum, vector start, vector end[, float color]) trailparticles (EXT_CSQC)
1111 static void VM_CL_trailparticles (void)
1112 {
1113         int                             i;
1114         float                   *start, *end;
1115         prvm_edict_t    *t;
1116         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_trailparticles);
1117
1118         t = PRVM_G_EDICT(OFS_PARM0);
1119         i               = (int)PRVM_G_FLOAT(OFS_PARM1);
1120         start   = PRVM_G_VECTOR(OFS_PARM2);
1121         end             = PRVM_G_VECTOR(OFS_PARM3);
1122
1123         if (i < 0)
1124                 return;
1125         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);
1126 }
1127
1128 //#337 void(float effectnum, vector origin, vector dir, float count[, float color]) pointparticles (EXT_CSQC)
1129 static void VM_CL_pointparticles (void)
1130 {
1131         int                     i, n;
1132         float           *f, *v;
1133         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_pointparticles);
1134         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1135         f = PRVM_G_VECTOR(OFS_PARM1);
1136         v = PRVM_G_VECTOR(OFS_PARM2);
1137         n = (int)PRVM_G_FLOAT(OFS_PARM3);
1138         if (i < 0)
1139                 return;
1140         CL_ParticleEffect(i, n, f, f, v, v, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1141 }
1142
1143 //#342 string(float keynum) getkeybind (EXT_CSQC)
1144 static void VM_CL_getkeybind (void)
1145 {
1146         VM_SAFEPARMCOUNT(1, VM_CL_getkeybind);
1147         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0)));
1148 }
1149
1150 //#343 void(float usecursor) setcursormode (EXT_CSQC)
1151 static void VM_CL_setcursormode (void)
1152 {
1153         VM_SAFEPARMCOUNT(1, VM_CL_setcursormode);
1154         cl.csqc_wantsmousemove = PRVM_G_FLOAT(OFS_PARM0) != 0;
1155         cl_ignoremousemoves = 2;
1156 }
1157
1158 //#344 vector() getmousepos (EXT_CSQC)
1159 static void VM_CL_getmousepos(void)
1160 {
1161         VM_SAFEPARMCOUNT(0,VM_CL_getmousepos);
1162
1163         if (key_consoleactive || key_dest != key_game)
1164                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), 0, 0, 0);
1165         else if (cl.csqc_wantsmousemove)
1166                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_windowmouse_x * vid_conwidth.integer / vid.width, in_windowmouse_y * vid_conheight.integer / vid.height, 0);
1167         else
1168                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_mouse_x * vid_conwidth.integer / vid.width, in_mouse_y * vid_conheight.integer / vid.height, 0);
1169 }
1170
1171 //#345 float(float framenum) getinputstate (EXT_CSQC)
1172 static void VM_CL_getinputstate (void)
1173 {
1174         int i, frame;
1175         VM_SAFEPARMCOUNT(1, VM_CL_getinputstate);
1176         frame = (int)PRVM_G_FLOAT(OFS_PARM0);
1177         PRVM_G_FLOAT(OFS_RETURN) = false;
1178         for (i = 0;i < CL_MAX_USERCMDS;i++)
1179         {
1180                 if (cl.movecmd[i].sequence == frame)
1181                 {
1182                         VectorCopy(cl.movecmd[i].viewangles, prog->globals.client->input_angles);
1183                         prog->globals.client->input_buttons = cl.movecmd[i].buttons; // FIXME: this should not be directly exposed to csqc (translation layer needed?)
1184                         prog->globals.client->input_movevalues[0] = cl.movecmd[i].forwardmove;
1185                         prog->globals.client->input_movevalues[1] = cl.movecmd[i].sidemove;
1186                         prog->globals.client->input_movevalues[2] = cl.movecmd[i].upmove;
1187                         prog->globals.client->input_timelength = cl.movecmd[i].frametime;
1188                         if(cl.movecmd[i].crouch)
1189                         {
1190                                 VectorCopy(cl.playercrouchmins, prog->globals.client->pmove_mins);
1191                                 VectorCopy(cl.playercrouchmaxs, prog->globals.client->pmove_maxs);
1192                         }
1193                         else
1194                         {
1195                                 VectorCopy(cl.playerstandmins, prog->globals.client->pmove_mins);
1196                                 VectorCopy(cl.playerstandmaxs, prog->globals.client->pmove_maxs);
1197                         }
1198                         PRVM_G_FLOAT(OFS_RETURN) = true;
1199                 }
1200         }
1201 }
1202
1203 //#346 void(float sens) setsensitivityscaler (EXT_CSQC)
1204 static void VM_CL_setsensitivityscale (void)
1205 {
1206         VM_SAFEPARMCOUNT(1, VM_CL_setsensitivityscale);
1207         cl.sensitivityscale = PRVM_G_FLOAT(OFS_PARM0);
1208 }
1209
1210 //#347 void() runstandardplayerphysics (EXT_CSQC)
1211 static void VM_CL_runplayerphysics (void)
1212 {
1213 }
1214
1215 //#348 string(float playernum, string keyname) getplayerkeyvalue (EXT_CSQC)
1216 static void VM_CL_getplayerkey (void)
1217 {
1218         int                     i;
1219         char            t[128];
1220         const char      *c;
1221
1222         VM_SAFEPARMCOUNT(2, VM_CL_getplayerkey);
1223
1224         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1225         c = PRVM_G_STRING(OFS_PARM1);
1226         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1227         Sbar_SortFrags();
1228
1229         if (i < 0)
1230                 i = Sbar_GetSortedPlayerIndex(-1-i);
1231         if(i < 0 || i >= cl.maxclients)
1232                 return;
1233
1234         t[0] = 0;
1235
1236         if(!strcasecmp(c, "name"))
1237                 strlcpy(t, cl.scores[i].name, sizeof(t));
1238         else
1239                 if(!strcasecmp(c, "frags"))
1240                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].frags);
1241         else
1242                 if(!strcasecmp(c, "ping"))
1243                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_ping);
1244         else
1245                 if(!strcasecmp(c, "pl"))
1246                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_packetloss);
1247         else
1248                 if(!strcasecmp(c, "entertime"))
1249                         dpsnprintf(t, sizeof(t), "%f", cl.scores[i].qw_entertime);
1250         else
1251                 if(!strcasecmp(c, "colors"))
1252                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors);
1253         else
1254                 if(!strcasecmp(c, "topcolor"))
1255                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors & 0xf0);
1256         else
1257                 if(!strcasecmp(c, "bottomcolor"))
1258                         dpsnprintf(t, sizeof(t), "%i", (cl.scores[i].colors &15)<<4);
1259         else
1260                 if(!strcasecmp(c, "viewentity"))
1261                         dpsnprintf(t, sizeof(t), "%i", i+1);
1262         if(!t[0])
1263                 return;
1264         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
1265 }
1266
1267 //#349 float() isdemo (EXT_CSQC)
1268 static void VM_CL_isdemo (void)
1269 {
1270         VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
1271         PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
1272 }
1273
1274 //#351 void(vector origin, vector forward, vector right, vector up) SetListener (EXT_CSQC)
1275 static void VM_CL_setlistener (void)
1276 {
1277         VM_SAFEPARMCOUNT(4, VM_CL_setlistener);
1278         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));
1279         cl.csqc_usecsqclistener = true; //use csqc listener at this frame
1280 }
1281
1282 //#352 void(string cmdname) registercommand (EXT_CSQC)
1283 static void VM_CL_registercmd (void)
1284 {
1285         char *t;
1286         VM_SAFEPARMCOUNT(1, VM_CL_registercmd);
1287         if(!Cmd_Exists(PRVM_G_STRING(OFS_PARM0)))
1288         {
1289                 size_t alloclen;
1290
1291                 alloclen = strlen(PRVM_G_STRING(OFS_PARM0)) + 1;
1292                 t = (char *)Z_Malloc(alloclen);
1293                 memcpy(t, PRVM_G_STRING(OFS_PARM0), alloclen);
1294                 Cmd_AddCommand(t, NULL, "console command created by QuakeC");
1295         }
1296         else
1297                 Cmd_AddCommand(PRVM_G_STRING(OFS_PARM0), NULL, "console command created by QuakeC");
1298
1299 }
1300
1301 //#360 float() readbyte (EXT_CSQC)
1302 static void VM_CL_ReadByte (void)
1303 {
1304         VM_SAFEPARMCOUNT(0, VM_CL_ReadByte);
1305         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadByte();
1306 }
1307
1308 //#361 float() readchar (EXT_CSQC)
1309 static void VM_CL_ReadChar (void)
1310 {
1311         VM_SAFEPARMCOUNT(0, VM_CL_ReadChar);
1312         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadChar();
1313 }
1314
1315 //#362 float() readshort (EXT_CSQC)
1316 static void VM_CL_ReadShort (void)
1317 {
1318         VM_SAFEPARMCOUNT(0, VM_CL_ReadShort);
1319         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadShort();
1320 }
1321
1322 //#363 float() readlong (EXT_CSQC)
1323 static void VM_CL_ReadLong (void)
1324 {
1325         VM_SAFEPARMCOUNT(0, VM_CL_ReadLong);
1326         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadLong();
1327 }
1328
1329 //#364 float() readcoord (EXT_CSQC)
1330 static void VM_CL_ReadCoord (void)
1331 {
1332         VM_SAFEPARMCOUNT(0, VM_CL_ReadCoord);
1333         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadCoord(cls.protocol);
1334 }
1335
1336 //#365 float() readangle (EXT_CSQC)
1337 static void VM_CL_ReadAngle (void)
1338 {
1339         VM_SAFEPARMCOUNT(0, VM_CL_ReadAngle);
1340         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadAngle(cls.protocol);
1341 }
1342
1343 //#366 string() readstring (EXT_CSQC)
1344 static void VM_CL_ReadString (void)
1345 {
1346         VM_SAFEPARMCOUNT(0, VM_CL_ReadString);
1347         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(MSG_ReadString());
1348 }
1349
1350 //#367 float() readfloat (EXT_CSQC)
1351 static void VM_CL_ReadFloat (void)
1352 {
1353         VM_SAFEPARMCOUNT(0, VM_CL_ReadFloat);
1354         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadFloat();
1355 }
1356
1357 //#501 string() readpicture (DP_CSQC_READWRITEPICTURE)
1358 extern cvar_t cl_readpicture_force;
1359 static void VM_CL_ReadPicture (void)
1360 {
1361         const char *name;
1362         unsigned char *data;
1363         unsigned char *buf;
1364         int size;
1365         int i;
1366         cachepic_t *pic;
1367
1368         VM_SAFEPARMCOUNT(0, VM_CL_ReadPicture);
1369
1370         name = MSG_ReadString();
1371         size = MSG_ReadShort();
1372
1373         // check if a texture of that name exists
1374         // if yes, it is used and the data is discarded
1375         // if not, the (low quality) data is used to build a new texture, whose name will get returned
1376
1377         pic = Draw_CachePic_Flags (name, CACHEPICFLAG_NOTPERSISTENT);
1378
1379         if(size)
1380         {
1381                 if(pic->tex == r_texture_notexture)
1382                         pic->tex = NULL; // don't overwrite the notexture by Draw_NewPic
1383                 if(pic->tex && !cl_readpicture_force.integer)
1384                 {
1385                         // texture found and loaded
1386                         // skip over the jpeg as we don't need it
1387                         for(i = 0; i < size; ++i)
1388                                 MSG_ReadByte();
1389                 }
1390                 else
1391                 {
1392                         // texture not found
1393                         // use the attached jpeg as texture
1394                         buf = (unsigned char *) Mem_Alloc(tempmempool, size);
1395                         MSG_ReadBytes(size, buf);
1396                         data = JPEG_LoadImage_BGRA(buf, size);
1397                         Mem_Free(buf);
1398                         Draw_NewPic(name, image_width, image_height, false, data);
1399                         Mem_Free(data);
1400                 }
1401         }
1402
1403         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(name);
1404 }
1405
1406 //////////////////////////////////////////////////////////
1407
1408 static void VM_CL_makestatic (void)
1409 {
1410         prvm_edict_t *ent;
1411
1412         VM_SAFEPARMCOUNT(1, VM_CL_makestatic);
1413
1414         ent = PRVM_G_EDICT(OFS_PARM0);
1415         if (ent == prog->edicts)
1416         {
1417                 VM_Warning("makestatic: can not modify world entity\n");
1418                 return;
1419         }
1420         if (ent->priv.server->free)
1421         {
1422                 VM_Warning("makestatic: can not modify free entity\n");
1423                 return;
1424         }
1425
1426         if (cl.num_static_entities < cl.max_static_entities)
1427         {
1428                 int renderflags;
1429                 prvm_eval_t *val;
1430                 entity_t *staticent = &cl.static_entities[cl.num_static_entities++];
1431
1432                 // copy it to the current state
1433                 memset(staticent, 0, sizeof(*staticent));
1434                 staticent->render.model = CL_GetModelByIndex((int)ent->fields.client->modelindex);
1435                 staticent->render.framegroupblend[0].frame = (int)ent->fields.client->frame;
1436                 staticent->render.framegroupblend[0].lerp = 1;
1437                 // make torchs play out of sync
1438                 staticent->render.framegroupblend[0].start = lhrandom(-10, -1);
1439                 staticent->render.skinnum = (int)ent->fields.client->skin;
1440                 staticent->render.effects = (int)ent->fields.client->effects;
1441                 staticent->render.alpha = 1;
1442                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)) && val->_float) staticent->render.alpha = val->_float;
1443                 staticent->render.scale = 1;
1444                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)) && val->_float) staticent->render.scale = val->_float;
1445                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, staticent->render.colormod);
1446                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod)) && VectorLength2(val->vector)) VectorCopy(val->vector, staticent->render.glowmod);
1447                 if (!VectorLength2(staticent->render.colormod))
1448                         VectorSet(staticent->render.colormod, 1, 1, 1);
1449                 if (!VectorLength2(staticent->render.glowmod))
1450                         VectorSet(staticent->render.glowmod, 1, 1, 1);
1451
1452                 renderflags = 0;
1453                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderflags)) && val->_float) renderflags = (int)val->_float;
1454                 if (renderflags & RF_USEAXIS)
1455                 {
1456                         vec3_t left;
1457                         VectorNegate(prog->globals.client->v_right, left);
1458                         Matrix4x4_FromVectors(&staticent->render.matrix, prog->globals.client->v_forward, left, prog->globals.client->v_up, ent->fields.client->origin);
1459                         Matrix4x4_Scale(&staticent->render.matrix, staticent->render.scale, 1);
1460                 }
1461                 else
1462                         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);
1463
1464                 // either fullbright or lit
1465                 if(!r_fullbright.integer)
1466                 {
1467                         if (!(staticent->render.effects & EF_FULLBRIGHT))
1468                                 staticent->render.flags |= RENDER_LIGHT;
1469                         else if(r_equalize_entities_fullbright.integer)
1470                                 staticent->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1471                 }
1472                 // turn off shadows from transparent objects
1473                 if (!(staticent->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (staticent->render.alpha >= 1))
1474                         staticent->render.flags |= RENDER_SHADOW;
1475
1476                 CL_UpdateRenderEntity(&staticent->render);
1477         }
1478         else
1479                 Con_Printf("Too many static entities");
1480
1481 // throw the entity away now
1482         PRVM_ED_Free (ent);
1483 }
1484
1485 //=================================================================//
1486
1487 /*
1488 =================
1489 VM_CL_copyentity
1490
1491 copies data from one entity to another
1492
1493 copyentity(src, dst)
1494 =================
1495 */
1496 static void VM_CL_copyentity (void)
1497 {
1498         prvm_edict_t *in, *out;
1499         VM_SAFEPARMCOUNT(2, VM_CL_copyentity);
1500         in = PRVM_G_EDICT(OFS_PARM0);
1501         if (in == prog->edicts)
1502         {
1503                 VM_Warning("copyentity: can not read world entity\n");
1504                 return;
1505         }
1506         if (in->priv.server->free)
1507         {
1508                 VM_Warning("copyentity: can not read free entity\n");
1509                 return;
1510         }
1511         out = PRVM_G_EDICT(OFS_PARM1);
1512         if (out == prog->edicts)
1513         {
1514                 VM_Warning("copyentity: can not modify world entity\n");
1515                 return;
1516         }
1517         if (out->priv.server->free)
1518         {
1519                 VM_Warning("copyentity: can not modify free entity\n");
1520                 return;
1521         }
1522         memcpy(out->fields.vp, in->fields.vp, prog->progs->entityfields * 4);
1523         CL_LinkEdict(out);
1524 }
1525
1526 //=================================================================//
1527
1528 // #404 void(vector org, string modelname, float startframe, float endframe, float framerate) effect (DP_SV_EFFECT)
1529 static void VM_CL_effect (void)
1530 {
1531         VM_SAFEPARMCOUNT(5, VM_CL_effect);
1532         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));
1533 }
1534
1535 // #405 void(vector org, vector velocity, float howmany) te_blood (DP_TE_BLOOD)
1536 static void VM_CL_te_blood (void)
1537 {
1538         float   *pos;
1539         vec3_t  pos2;
1540         VM_SAFEPARMCOUNT(3, VM_CL_te_blood);
1541         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1542                 return;
1543         pos = PRVM_G_VECTOR(OFS_PARM0);
1544         CL_FindNonSolidLocation(pos, pos2, 4);
1545         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1546 }
1547
1548 // #406 void(vector mincorner, vector maxcorner, float explosionspeed, float howmany) te_bloodshower (DP_TE_BLOODSHOWER)
1549 static void VM_CL_te_bloodshower (void)
1550 {
1551         vec_t speed;
1552         vec3_t vel1, vel2;
1553         VM_SAFEPARMCOUNT(4, VM_CL_te_bloodshower);
1554         if (PRVM_G_FLOAT(OFS_PARM3) < 1)
1555                 return;
1556         speed = PRVM_G_FLOAT(OFS_PARM2);
1557         vel1[0] = -speed;
1558         vel1[1] = -speed;
1559         vel1[2] = -speed;
1560         vel2[0] = speed;
1561         vel2[1] = speed;
1562         vel2[2] = speed;
1563         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM3), PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), vel1, vel2, NULL, 0);
1564 }
1565
1566 // #407 void(vector org, vector color) te_explosionrgb (DP_TE_EXPLOSIONRGB)
1567 static void VM_CL_te_explosionrgb (void)
1568 {
1569         float           *pos;
1570         vec3_t          pos2;
1571         matrix4x4_t     tempmatrix;
1572         VM_SAFEPARMCOUNT(2, VM_CL_te_explosionrgb);
1573         pos = PRVM_G_VECTOR(OFS_PARM0);
1574         CL_FindNonSolidLocation(pos, pos2, 10);
1575         CL_ParticleExplosion(pos2);
1576         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1577         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);
1578 }
1579
1580 // #408 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color, float gravityflag, float randomveljitter) te_particlecube (DP_TE_PARTICLECUBE)
1581 static void VM_CL_te_particlecube (void)
1582 {
1583         VM_SAFEPARMCOUNT(7, VM_CL_te_particlecube);
1584         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));
1585 }
1586
1587 // #409 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlerain (DP_TE_PARTICLERAIN)
1588 static void VM_CL_te_particlerain (void)
1589 {
1590         VM_SAFEPARMCOUNT(5, VM_CL_te_particlerain);
1591         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);
1592 }
1593
1594 // #410 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlesnow (DP_TE_PARTICLESNOW)
1595 static void VM_CL_te_particlesnow (void)
1596 {
1597         VM_SAFEPARMCOUNT(5, VM_CL_te_particlesnow);
1598         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);
1599 }
1600
1601 // #411 void(vector org, vector vel, float howmany) te_spark
1602 static void VM_CL_te_spark (void)
1603 {
1604         float           *pos;
1605         vec3_t          pos2;
1606         VM_SAFEPARMCOUNT(3, VM_CL_te_spark);
1607
1608         pos = PRVM_G_VECTOR(OFS_PARM0);
1609         CL_FindNonSolidLocation(pos, pos2, 4);
1610         CL_ParticleEffect(EFFECT_TE_SPARK, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1611 }
1612
1613 extern cvar_t cl_sound_ric_gunshot;
1614 // #412 void(vector org) te_gunshotquad (DP_QUADEFFECTS1)
1615 static void VM_CL_te_gunshotquad (void)
1616 {
1617         float           *pos;
1618         vec3_t          pos2;
1619         int                     rnd;
1620         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshotquad);
1621
1622         pos = PRVM_G_VECTOR(OFS_PARM0);
1623         CL_FindNonSolidLocation(pos, pos2, 4);
1624         CL_ParticleEffect(EFFECT_TE_GUNSHOTQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1625         if(cl_sound_ric_gunshot.integer >= 2)
1626         {
1627                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1628                 else
1629                 {
1630                         rnd = rand() & 3;
1631                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1632                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1633                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1634                 }
1635         }
1636 }
1637
1638 // #413 void(vector org) te_spikequad (DP_QUADEFFECTS1)
1639 static void VM_CL_te_spikequad (void)
1640 {
1641         float           *pos;
1642         vec3_t          pos2;
1643         int                     rnd;
1644         VM_SAFEPARMCOUNT(1, VM_CL_te_spikequad);
1645
1646         pos = PRVM_G_VECTOR(OFS_PARM0);
1647         CL_FindNonSolidLocation(pos, pos2, 4);
1648         CL_ParticleEffect(EFFECT_TE_SPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1649         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1650         else
1651         {
1652                 rnd = rand() & 3;
1653                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1654                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1655                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1656         }
1657 }
1658
1659 // #414 void(vector org) te_superspikequad (DP_QUADEFFECTS1)
1660 static void VM_CL_te_superspikequad (void)
1661 {
1662         float           *pos;
1663         vec3_t          pos2;
1664         int                     rnd;
1665         VM_SAFEPARMCOUNT(1, VM_CL_te_superspikequad);
1666
1667         pos = PRVM_G_VECTOR(OFS_PARM0);
1668         CL_FindNonSolidLocation(pos, pos2, 4);
1669         CL_ParticleEffect(EFFECT_TE_SUPERSPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1670         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos, 1, 1);
1671         else
1672         {
1673                 rnd = rand() & 3;
1674                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1675                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1676                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1677         }
1678 }
1679
1680 // #415 void(vector org) te_explosionquad (DP_QUADEFFECTS1)
1681 static void VM_CL_te_explosionquad (void)
1682 {
1683         float           *pos;
1684         vec3_t          pos2;
1685         VM_SAFEPARMCOUNT(1, VM_CL_te_explosionquad);
1686
1687         pos = PRVM_G_VECTOR(OFS_PARM0);
1688         CL_FindNonSolidLocation(pos, pos2, 10);
1689         CL_ParticleEffect(EFFECT_TE_EXPLOSIONQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1690         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1691 }
1692
1693 // #416 void(vector org) te_smallflash (DP_TE_SMALLFLASH)
1694 static void VM_CL_te_smallflash (void)
1695 {
1696         float           *pos;
1697         vec3_t          pos2;
1698         VM_SAFEPARMCOUNT(1, VM_CL_te_smallflash);
1699
1700         pos = PRVM_G_VECTOR(OFS_PARM0);
1701         CL_FindNonSolidLocation(pos, pos2, 10);
1702         CL_ParticleEffect(EFFECT_TE_SMALLFLASH, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1703 }
1704
1705 // #417 void(vector org, float radius, float lifetime, vector color) te_customflash (DP_TE_CUSTOMFLASH)
1706 static void VM_CL_te_customflash (void)
1707 {
1708         float           *pos;
1709         vec3_t          pos2;
1710         matrix4x4_t     tempmatrix;
1711         VM_SAFEPARMCOUNT(4, VM_CL_te_customflash);
1712
1713         pos = PRVM_G_VECTOR(OFS_PARM0);
1714         CL_FindNonSolidLocation(pos, pos2, 4);
1715         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1716         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);
1717 }
1718
1719 // #418 void(vector org) te_gunshot (DP_TE_STANDARDEFFECTBUILTINS)
1720 static void VM_CL_te_gunshot (void)
1721 {
1722         float           *pos;
1723         vec3_t          pos2;
1724         int                     rnd;
1725         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshot);
1726
1727         pos = PRVM_G_VECTOR(OFS_PARM0);
1728         CL_FindNonSolidLocation(pos, pos2, 4);
1729         CL_ParticleEffect(EFFECT_TE_GUNSHOT, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1730         if(cl_sound_ric_gunshot.integer == 1 || cl_sound_ric_gunshot.integer == 3)
1731         {
1732                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1733                 else
1734                 {
1735                         rnd = rand() & 3;
1736                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1737                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1738                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1739                 }
1740         }
1741 }
1742
1743 // #419 void(vector org) te_spike (DP_TE_STANDARDEFFECTBUILTINS)
1744 static void VM_CL_te_spike (void)
1745 {
1746         float           *pos;
1747         vec3_t          pos2;
1748         int                     rnd;
1749         VM_SAFEPARMCOUNT(1, VM_CL_te_spike);
1750
1751         pos = PRVM_G_VECTOR(OFS_PARM0);
1752         CL_FindNonSolidLocation(pos, pos2, 4);
1753         CL_ParticleEffect(EFFECT_TE_SPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1754         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1755         else
1756         {
1757                 rnd = rand() & 3;
1758                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1759                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1760                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1761         }
1762 }
1763
1764 // #420 void(vector org) te_superspike (DP_TE_STANDARDEFFECTBUILTINS)
1765 static void VM_CL_te_superspike (void)
1766 {
1767         float           *pos;
1768         vec3_t          pos2;
1769         int                     rnd;
1770         VM_SAFEPARMCOUNT(1, VM_CL_te_superspike);
1771
1772         pos = PRVM_G_VECTOR(OFS_PARM0);
1773         CL_FindNonSolidLocation(pos, pos2, 4);
1774         CL_ParticleEffect(EFFECT_TE_SUPERSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1775         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1776         else
1777         {
1778                 rnd = rand() & 3;
1779                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1780                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1781                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1782         }
1783 }
1784
1785 // #421 void(vector org) te_explosion (DP_TE_STANDARDEFFECTBUILTINS)
1786 static void VM_CL_te_explosion (void)
1787 {
1788         float           *pos;
1789         vec3_t          pos2;
1790         VM_SAFEPARMCOUNT(1, VM_CL_te_explosion);
1791
1792         pos = PRVM_G_VECTOR(OFS_PARM0);
1793         CL_FindNonSolidLocation(pos, pos2, 10);
1794         CL_ParticleEffect(EFFECT_TE_EXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1795         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1796 }
1797
1798 // #422 void(vector org) te_tarexplosion (DP_TE_STANDARDEFFECTBUILTINS)
1799 static void VM_CL_te_tarexplosion (void)
1800 {
1801         float           *pos;
1802         vec3_t          pos2;
1803         VM_SAFEPARMCOUNT(1, VM_CL_te_tarexplosion);
1804
1805         pos = PRVM_G_VECTOR(OFS_PARM0);
1806         CL_FindNonSolidLocation(pos, pos2, 10);
1807         CL_ParticleEffect(EFFECT_TE_TAREXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1808         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1809 }
1810
1811 // #423 void(vector org) te_wizspike (DP_TE_STANDARDEFFECTBUILTINS)
1812 static void VM_CL_te_wizspike (void)
1813 {
1814         float           *pos;
1815         vec3_t          pos2;
1816         VM_SAFEPARMCOUNT(1, VM_CL_te_wizspike);
1817
1818         pos = PRVM_G_VECTOR(OFS_PARM0);
1819         CL_FindNonSolidLocation(pos, pos2, 4);
1820         CL_ParticleEffect(EFFECT_TE_WIZSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1821         S_StartSound(-1, 0, cl.sfx_wizhit, pos2, 1, 1);
1822 }
1823
1824 // #424 void(vector org) te_knightspike (DP_TE_STANDARDEFFECTBUILTINS)
1825 static void VM_CL_te_knightspike (void)
1826 {
1827         float           *pos;
1828         vec3_t          pos2;
1829         VM_SAFEPARMCOUNT(1, VM_CL_te_knightspike);
1830
1831         pos = PRVM_G_VECTOR(OFS_PARM0);
1832         CL_FindNonSolidLocation(pos, pos2, 4);
1833         CL_ParticleEffect(EFFECT_TE_KNIGHTSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1834         S_StartSound(-1, 0, cl.sfx_knighthit, pos2, 1, 1);
1835 }
1836
1837 // #425 void(vector org) te_lavasplash (DP_TE_STANDARDEFFECTBUILTINS)
1838 static void VM_CL_te_lavasplash (void)
1839 {
1840         VM_SAFEPARMCOUNT(1, VM_CL_te_lavasplash);
1841         CL_ParticleEffect(EFFECT_TE_LAVASPLASH, 1, PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM0), vec3_origin, vec3_origin, NULL, 0);
1842 }
1843
1844 // #426 void(vector org) te_teleport (DP_TE_STANDARDEFFECTBUILTINS)
1845 static void VM_CL_te_teleport (void)
1846 {
1847         VM_SAFEPARMCOUNT(1, VM_CL_te_teleport);
1848         CL_ParticleEffect(EFFECT_TE_TELEPORT, 1, PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM0), vec3_origin, vec3_origin, NULL, 0);
1849 }
1850
1851 // #427 void(vector org, float colorstart, float colorlength) te_explosion2 (DP_TE_STANDARDEFFECTBUILTINS)
1852 static void VM_CL_te_explosion2 (void)
1853 {
1854         float           *pos;
1855         vec3_t          pos2, color;
1856         matrix4x4_t     tempmatrix;
1857         int                     colorStart, colorLength;
1858         unsigned char           *tempcolor;
1859         VM_SAFEPARMCOUNT(3, VM_CL_te_explosion2);
1860
1861         pos = PRVM_G_VECTOR(OFS_PARM0);
1862         colorStart = (int)PRVM_G_FLOAT(OFS_PARM1);
1863         colorLength = (int)PRVM_G_FLOAT(OFS_PARM2);
1864         CL_FindNonSolidLocation(pos, pos2, 10);
1865         CL_ParticleExplosion2(pos2, colorStart, colorLength);
1866         tempcolor = palette_rgb[(rand()%colorLength) + colorStart];
1867         color[0] = tempcolor[0] * (2.0f / 255.0f);
1868         color[1] = tempcolor[1] * (2.0f / 255.0f);
1869         color[2] = tempcolor[2] * (2.0f / 255.0f);
1870         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1871         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);
1872         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1873 }
1874
1875
1876 // #428 void(entity own, vector start, vector end) te_lightning1 (DP_TE_STANDARDEFFECTBUILTINS)
1877 static void VM_CL_te_lightning1 (void)
1878 {
1879         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning1);
1880         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt, true);
1881 }
1882
1883 // #429 void(entity own, vector start, vector end) te_lightning2 (DP_TE_STANDARDEFFECTBUILTINS)
1884 static void VM_CL_te_lightning2 (void)
1885 {
1886         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning2);
1887         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt2, true);
1888 }
1889
1890 // #430 void(entity own, vector start, vector end) te_lightning3 (DP_TE_STANDARDEFFECTBUILTINS)
1891 static void VM_CL_te_lightning3 (void)
1892 {
1893         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning3);
1894         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt3, false);
1895 }
1896
1897 // #431 void(entity own, vector start, vector end) te_beam (DP_TE_STANDARDEFFECTBUILTINS)
1898 static void VM_CL_te_beam (void)
1899 {
1900         VM_SAFEPARMCOUNT(3, VM_CL_te_beam);
1901         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_beam, false);
1902 }
1903
1904 // #433 void(vector org) te_plasmaburn (DP_TE_PLASMABURN)
1905 static void VM_CL_te_plasmaburn (void)
1906 {
1907         float           *pos;
1908         vec3_t          pos2;
1909         VM_SAFEPARMCOUNT(1, VM_CL_te_plasmaburn);
1910
1911         pos = PRVM_G_VECTOR(OFS_PARM0);
1912         CL_FindNonSolidLocation(pos, pos2, 4);
1913         CL_ParticleEffect(EFFECT_TE_PLASMABURN, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1914 }
1915
1916 // #457 void(vector org, vector velocity, float howmany) te_flamejet (DP_TE_FLAMEJET)
1917 static void VM_CL_te_flamejet (void)
1918 {
1919         float *pos;
1920         vec3_t pos2;
1921         VM_SAFEPARMCOUNT(3, VM_CL_te_flamejet);
1922         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1923                 return;
1924         pos = PRVM_G_VECTOR(OFS_PARM0);
1925         CL_FindNonSolidLocation(pos, pos2, 4);
1926         CL_ParticleEffect(EFFECT_TE_FLAMEJET, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1927 }
1928
1929
1930 //====================================================================
1931 //DP_QC_GETSURFACE
1932
1933 extern void clippointtosurface(dp_model_t *model, msurface_t *surface, vec3_t p, vec3_t out);
1934
1935 static msurface_t *cl_getsurface(dp_model_t *model, int surfacenum)
1936 {
1937         if (surfacenum < 0 || surfacenum >= model->nummodelsurfaces)
1938                 return NULL;
1939         return model->data_surfaces + surfacenum + model->firstmodelsurface;
1940 }
1941
1942 // #434 float(entity e, float s) getsurfacenumpoints
1943 static void VM_CL_getsurfacenumpoints(void)
1944 {
1945         dp_model_t *model;
1946         msurface_t *surface;
1947         VM_SAFEPARMCOUNT(2, VM_CL_getsurfacenumpoints);
1948         // return 0 if no such surface
1949         if (!(model = CL_GetModelFromEdict(PRVM_G_EDICT(OFS_PARM0))) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
1950         {
1951                 PRVM_G_FLOAT(OFS_RETURN) = 0;
1952                 return;
1953         }
1954
1955         // note: this (incorrectly) assumes it is a simple polygon
1956         PRVM_G_FLOAT(OFS_RETURN) = surface->num_vertices;
1957 }
1958
1959 // #435 vector(entity e, float s, float n) getsurfacepoint
1960 static void VM_CL_getsurfacepoint(void)
1961 {
1962         prvm_edict_t *ed;
1963         dp_model_t *model;
1964         msurface_t *surface;
1965         int pointnum;
1966         VM_SAFEPARMCOUNT(3, VM_CL_getsurfacenumpoints);
1967         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
1968         ed = PRVM_G_EDICT(OFS_PARM0);
1969         if (!(model = CL_GetModelFromEdict(ed)) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
1970                 return;
1971         // note: this (incorrectly) assumes it is a simple polygon
1972         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
1973         if (pointnum < 0 || pointnum >= surface->num_vertices)
1974                 return;
1975         // FIXME: implement rotation/scaling
1976         VectorAdd(&(model->surfmesh.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed->fields.client->origin, PRVM_G_VECTOR(OFS_RETURN));
1977 }
1978 //PF_getsurfacepointattribute,     // #486 vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
1979 // float SPA_POSITION = 0;
1980 // float SPA_S_AXIS = 1;
1981 // float SPA_T_AXIS = 2;
1982 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
1983 // float SPA_TEXCOORDS0 = 4;
1984 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
1985 // float SPA_LIGHTMAP0_COLOR = 6;
1986 // TODO: add some wrapper code and merge VM_CL/SV_getsurface* [12/16/2007 Black]
1987 static void VM_CL_getsurfacepointattribute(void)
1988 {
1989         prvm_edict_t *ed;
1990         dp_model_t *model;
1991         msurface_t *surface;
1992         int pointnum;
1993         int attributetype;
1994
1995         VM_SAFEPARMCOUNT(4, VM_CL_getsurfacenumpoints);
1996         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
1997         ed = PRVM_G_EDICT(OFS_PARM0);
1998         if (!(model = CL_GetModelFromEdict(ed)) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
1999                 return;
2000         // note: this (incorrectly) assumes it is a simple polygon
2001         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
2002         if (pointnum < 0 || pointnum >= surface->num_vertices)
2003                 return;
2004
2005         // FIXME: implement rotation/scaling
2006         attributetype = (int) PRVM_G_FLOAT(OFS_PARM3);
2007
2008         switch( attributetype ) {
2009                 // float SPA_POSITION = 0;
2010                 case 0:
2011                         VectorAdd(&(model->surfmesh.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed->fields.client->origin, PRVM_G_VECTOR(OFS_RETURN));
2012                         break;
2013                 // float SPA_S_AXIS = 1;
2014                 case 1:
2015                         VectorCopy(&(model->surfmesh.data_svector3f + 3 * surface->num_firstvertex)[pointnum * 3], PRVM_G_VECTOR(OFS_RETURN));
2016                         break;
2017                 // float SPA_T_AXIS = 2;
2018                 case 2:
2019                         VectorCopy(&(model->surfmesh.data_tvector3f + 3 * surface->num_firstvertex)[pointnum * 3], PRVM_G_VECTOR(OFS_RETURN));
2020                         break;
2021                 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
2022                 case 3:
2023                         VectorCopy(&(model->surfmesh.data_normal3f + 3 * surface->num_firstvertex)[pointnum * 3], PRVM_G_VECTOR(OFS_RETURN));
2024                         break;
2025                 // float SPA_TEXCOORDS0 = 4;
2026                 case 4: {
2027                         float *ret = PRVM_G_VECTOR(OFS_RETURN);
2028                         float *texcoord = &(model->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[pointnum * 2];
2029                         ret[0] = texcoord[0];
2030                         ret[1] = texcoord[1];
2031                         ret[2] = 0.0f;
2032                         break;
2033                 }
2034                 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
2035                 case 5: {
2036                         float *ret = PRVM_G_VECTOR(OFS_RETURN);
2037                         float *texcoord = &(model->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[pointnum * 2];
2038                         ret[0] = texcoord[0];
2039                         ret[1] = texcoord[1];
2040                         ret[2] = 0.0f;
2041                         break;
2042                 }
2043                 // float SPA_LIGHTMAP0_COLOR = 6;
2044                 case 6:
2045                         // ignore alpha for now..
2046                         VectorCopy( &(model->surfmesh.data_lightmapcolor4f + 4 * surface->num_firstvertex)[pointnum * 4], PRVM_G_VECTOR(OFS_RETURN));
2047                         break;
2048                 default:
2049                         VectorSet( PRVM_G_VECTOR(OFS_RETURN), 0.0f, 0.0f, 0.0f );
2050                         break;
2051         }
2052 }
2053 // #436 vector(entity e, float s) getsurfacenormal
2054 static void VM_CL_getsurfacenormal(void)
2055 {
2056         dp_model_t *model;
2057         msurface_t *surface;
2058         vec3_t normal;
2059         VM_SAFEPARMCOUNT(2, VM_CL_getsurfacenormal);
2060         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
2061         if (!(model = CL_GetModelFromEdict(PRVM_G_EDICT(OFS_PARM0))) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
2062                 return;
2063         // FIXME: implement rotation/scaling
2064         // note: this (incorrectly) assumes it is a simple polygon
2065         // note: this only returns the first triangle, so it doesn't work very
2066         // well for curved surfaces or arbitrary meshes
2067         TriangleNormal((model->surfmesh.data_vertex3f + 3 * surface->num_firstvertex), (model->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + 3, (model->surfmesh.data_vertex3f + 3 * surface->num_firstvertex) + 6, normal);
2068         VectorNormalize(normal);
2069         VectorCopy(normal, PRVM_G_VECTOR(OFS_RETURN));
2070 }
2071
2072 // #437 string(entity e, float s) getsurfacetexture
2073 static void VM_CL_getsurfacetexture(void)
2074 {
2075         dp_model_t *model;
2076         msurface_t *surface;
2077         VM_SAFEPARMCOUNT(2, VM_CL_getsurfacetexture);
2078         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
2079         if (!(model = CL_GetModelFromEdict(PRVM_G_EDICT(OFS_PARM0))) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
2080                 return;
2081         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(surface->texture->name);
2082 }
2083
2084 // #438 float(entity e, vector p) getsurfacenearpoint
2085 static void VM_CL_getsurfacenearpoint(void)
2086 {
2087         int surfacenum, best;
2088         vec3_t clipped, p;
2089         vec_t dist, bestdist;
2090         prvm_edict_t *ed;
2091         dp_model_t *model = NULL;
2092         msurface_t *surface;
2093         vec_t *point;
2094         VM_SAFEPARMCOUNT(2, VM_CL_getsurfacenearpoint);
2095         PRVM_G_FLOAT(OFS_RETURN) = -1;
2096         ed = PRVM_G_EDICT(OFS_PARM0);
2097         if(!(model = CL_GetModelFromEdict(ed)) || !model->num_surfaces)
2098                 return;
2099
2100         // FIXME: implement rotation/scaling
2101         point = PRVM_G_VECTOR(OFS_PARM1);
2102         VectorSubtract(point, ed->fields.client->origin, p);
2103         best = -1;
2104         bestdist = 1000000000;
2105         for (surfacenum = 0;surfacenum < model->nummodelsurfaces;surfacenum++)
2106         {
2107                 surface = model->data_surfaces + surfacenum + model->firstmodelsurface;
2108                 // first see if the nearest point on the surface's box is closer than the previous match
2109                 clipped[0] = bound(surface->mins[0], p[0], surface->maxs[0]) - p[0];
2110                 clipped[1] = bound(surface->mins[1], p[1], surface->maxs[1]) - p[1];
2111                 clipped[2] = bound(surface->mins[2], p[2], surface->maxs[2]) - p[2];
2112                 dist = VectorLength2(clipped);
2113                 if (dist < bestdist)
2114                 {
2115                         // it is, check the nearest point on the actual geometry
2116                         clippointtosurface(model, surface, p, clipped);
2117                         VectorSubtract(clipped, p, clipped);
2118                         dist += VectorLength2(clipped);
2119                         if (dist < bestdist)
2120                         {
2121                                 // that's closer too, store it as the best match
2122                                 best = surfacenum;
2123                                 bestdist = dist;
2124                         }
2125                 }
2126         }
2127         PRVM_G_FLOAT(OFS_RETURN) = best;
2128 }
2129
2130 // #439 vector(entity e, float s, vector p) getsurfaceclippedpoint
2131 static void VM_CL_getsurfaceclippedpoint(void)
2132 {
2133         prvm_edict_t *ed;
2134         dp_model_t *model;
2135         msurface_t *surface;
2136         vec3_t p, out;
2137         VM_SAFEPARMCOUNT(3, VM_CL_getsurfaceclippedpoint);
2138         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
2139         ed = PRVM_G_EDICT(OFS_PARM0);
2140         if (!(model = CL_GetModelFromEdict(ed)) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
2141                 return;
2142         // FIXME: implement rotation/scaling
2143         VectorSubtract(PRVM_G_VECTOR(OFS_PARM2), ed->fields.client->origin, p);
2144         clippointtosurface(model, surface, p, out);
2145         // FIXME: implement rotation/scaling
2146         VectorAdd(out, ed->fields.client->origin, PRVM_G_VECTOR(OFS_RETURN));
2147 }
2148
2149 // #443 void(entity e, entity tagentity, string tagname) setattachment
2150 void VM_CL_setattachment (void)
2151 {
2152         prvm_edict_t *e;
2153         prvm_edict_t *tagentity;
2154         const char *tagname;
2155         prvm_eval_t *v;
2156         int modelindex;
2157         dp_model_t *model;
2158         VM_SAFEPARMCOUNT(3, VM_CL_setattachment);
2159
2160         e = PRVM_G_EDICT(OFS_PARM0);
2161         tagentity = PRVM_G_EDICT(OFS_PARM1);
2162         tagname = PRVM_G_STRING(OFS_PARM2);
2163
2164         if (e == prog->edicts)
2165         {
2166                 VM_Warning("setattachment: can not modify world entity\n");
2167                 return;
2168         }
2169         if (e->priv.server->free)
2170         {
2171                 VM_Warning("setattachment: can not modify free entity\n");
2172                 return;
2173         }
2174
2175         if (tagentity == NULL)
2176                 tagentity = prog->edicts;
2177
2178         v = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.tag_entity);
2179         if (v)
2180                 v->edict = PRVM_EDICT_TO_PROG(tagentity);
2181
2182         v = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.tag_index);
2183         if (v)
2184                 v->_float = 0;
2185         if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
2186         {
2187                 modelindex = (int)tagentity->fields.client->modelindex;
2188                 model = CL_GetModelByIndex(modelindex);
2189                 if (model)
2190                 {
2191                         v->_float = Mod_Alias_GetTagIndexForName(model, (int)tagentity->fields.client->skin, tagname);
2192                         if (v->_float == 0)
2193                                 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);
2194                 }
2195                 else
2196                         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));
2197         }
2198 }
2199
2200 /////////////////////////////////////////
2201 // DP_MD3_TAGINFO extension coded by VorteX
2202
2203 int CL_GetTagIndex (prvm_edict_t *e, const char *tagname)
2204 {
2205         dp_model_t *model = CL_GetModelFromEdict(e);
2206         if (model)
2207                 return Mod_Alias_GetTagIndexForName(model, (int)e->fields.client->skin, tagname);
2208         else
2209                 return -1;
2210 }
2211
2212 int CL_GetExtendedTagInfo (prvm_edict_t *e, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix)
2213 {
2214         int r;
2215         dp_model_t *model;
2216         int frame;
2217
2218         *tagname = NULL;
2219         *parentindex = 0;
2220         Matrix4x4_CreateIdentity(tag_localmatrix);
2221
2222         if (tagindex >= 0
2223          && (model = CL_GetModelFromEdict(e))
2224          && model->animscenes)
2225         {
2226                 frame = (int)e->fields.client->frame;
2227                 if (frame < 0 || frame >= model->numframes)
2228                         frame = 0;
2229
2230                 r = Mod_Alias_GetExtendedTagInfoForIndex(model, (int)e->fields.client->skin, model->animscenes[frame].firstframe, tagindex - 1, parentindex, tagname, tag_localmatrix);
2231
2232                 if(!r) // success?
2233                         *parentindex += 1;
2234
2235                 return r;
2236         }
2237
2238         return 1;
2239 }
2240
2241 int CL_GetPitchSign(prvm_edict_t *ent)
2242 {
2243         dp_model_t *model;
2244         if ((model = CL_GetModelFromEdict(ent)) && model->type == mod_alias)
2245                 return -1;
2246         return 1;
2247 }
2248
2249 void CL_GetEntityMatrix (prvm_edict_t *ent, matrix4x4_t *out, qboolean viewmatrix)
2250 {
2251         prvm_eval_t *val;
2252         float scale;
2253         float pitchsign = 1;
2254
2255         scale = 1;
2256         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale);
2257         if (val && val->_float != 0)
2258                 scale = val->_float;
2259
2260         // TODO do we need the same weird angle inverting logic here as in the server side case?
2261         if(viewmatrix)
2262                 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);
2263         else
2264         {
2265                 pitchsign = CL_GetPitchSign(ent);
2266                 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);
2267         }
2268 }
2269
2270
2271 int CL_GetEntityLocalTagMatrix(prvm_edict_t *ent, int tagindex, matrix4x4_t *out)
2272 {
2273         int frame;
2274         dp_model_t *model;
2275         if (tagindex >= 0
2276          && (model = CL_GetModelFromEdict(ent))
2277          && model->animscenes)
2278         {
2279                 // if model has wrong frame, engine automatically switches to model first frame
2280                 frame = (int)ent->fields.client->frame;
2281                 if (frame < 0 || frame >= model->numframes)
2282                         frame = 0;
2283                 return Mod_Alias_GetTagMatrix(model, model->animscenes[frame].firstframe, tagindex, out);
2284         }
2285         *out = identitymatrix;
2286         return 0;
2287 }
2288
2289 // Warnings/errors code:
2290 // 0 - normal (everything all-right)
2291 // 1 - world entity
2292 // 2 - free entity
2293 // 3 - null or non-precached model
2294 // 4 - no tags with requested index
2295 // 5 - runaway loop at attachment chain
2296 extern cvar_t cl_bob;
2297 extern cvar_t cl_bobcycle;
2298 extern cvar_t cl_bobup;
2299 int CL_GetTagMatrix (matrix4x4_t *out, prvm_edict_t *ent, int tagindex)
2300 {
2301         int ret;
2302         prvm_eval_t *val;
2303         int attachloop;
2304         matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
2305         dp_model_t *model;
2306
2307         *out = identitymatrix; // warnings and errors return identical matrix
2308
2309         if (ent == prog->edicts)
2310                 return 1;
2311         if (ent->priv.server->free)
2312                 return 2;
2313
2314         model = CL_GetModelFromEdict(ent);
2315         if(!model)
2316                 return 3;
2317
2318         tagmatrix = identitymatrix;
2319         attachloop = 0;
2320         for(;;)
2321         {
2322                 if(attachloop >= 256)
2323                         return 5;
2324                 // apply transformation by child's tagindex on parent entity and then
2325                 // by parent entity itself
2326                 ret = CL_GetEntityLocalTagMatrix(ent, tagindex - 1, &attachmatrix);
2327                 if(ret && attachloop == 0)
2328                         return ret;
2329                 CL_GetEntityMatrix(ent, &entitymatrix, false);
2330                 Matrix4x4_Concat(&tagmatrix, &attachmatrix, out);
2331                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2332                 // next iteration we process the parent entity
2333                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)) && val->edict)
2334                 {
2335                         tagindex = (int)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
2336                         ent = PRVM_EDICT_NUM(val->edict);
2337                 }
2338                 else
2339                         break;
2340                 attachloop++;
2341         }
2342
2343         // RENDER_VIEWMODEL magic
2344         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderflags)) && (RF_VIEWMODEL & (int)val->_float))
2345         {
2346                 Matrix4x4_Copy(&tagmatrix, out);
2347
2348                 CL_GetEntityMatrix(prog->edicts, &entitymatrix, true);
2349                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2350
2351                 /*
2352                 // Cl_bob, ported from rendering code
2353                 if (ent->fields.client->health > 0 && cl_bob.value && cl_bobcycle.value)
2354                 {
2355                         double bob, cycle;
2356                         // LordHavoc: this code is *weird*, but not replacable (I think it
2357                         // should be done in QC on the server, but oh well, quake is quake)
2358                         // LordHavoc: figured out bobup: the time at which the sin is at 180
2359                         // degrees (which allows lengthening or squishing the peak or valley)
2360                         cycle = cl.time/cl_bobcycle.value;
2361                         cycle -= (int)cycle;
2362                         if (cycle < cl_bobup.value)
2363                                 cycle = sin(M_PI * cycle / cl_bobup.value);
2364                         else
2365                                 cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
2366                         // bob is proportional to velocity in the xy plane
2367                         // (don't count Z, or jumping messes it up)
2368                         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;
2369                         bob = bob*0.3 + bob*0.7*cycle;
2370                         Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
2371                 }
2372                 */
2373         }
2374         return 0;
2375 }
2376
2377 // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
2378 void VM_CL_gettagindex (void)
2379 {
2380         prvm_edict_t *ent;
2381         const char *tag_name;
2382         int modelindex, tag_index;
2383
2384         VM_SAFEPARMCOUNT(2, VM_CL_gettagindex);
2385
2386         ent = PRVM_G_EDICT(OFS_PARM0);
2387         tag_name = PRVM_G_STRING(OFS_PARM1);
2388         if (ent == prog->edicts)
2389         {
2390                 VM_Warning("gettagindex: can't affect world entity\n");
2391                 return;
2392         }
2393         if (ent->priv.server->free)
2394         {
2395                 VM_Warning("gettagindex: can't affect free entity\n");
2396                 return;
2397         }
2398
2399         modelindex = (int)ent->fields.client->modelindex;
2400         tag_index = 0;
2401         if (modelindex >= MAX_MODELS || (modelindex <= -MAX_MODELS /* client models */))
2402                 Con_DPrintf("gettagindex(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(ent));
2403         else
2404         {
2405                 tag_index = CL_GetTagIndex(ent, tag_name);
2406                 if (tag_index == 0)
2407                         Con_DPrintf("gettagindex(entity #%i): tag \"%s\" not found\n", PRVM_NUM_FOR_EDICT(ent), tag_name);
2408         }
2409         PRVM_G_FLOAT(OFS_RETURN) = tag_index;
2410 }
2411
2412 // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
2413 void VM_CL_gettaginfo (void)
2414 {
2415         prvm_edict_t *e;
2416         int tagindex;
2417         matrix4x4_t tag_matrix;
2418         matrix4x4_t tag_localmatrix;
2419         int parentindex;
2420         const char *tagname;
2421         int returncode;
2422         prvm_eval_t *val;
2423         vec3_t fo, le, up, trans;
2424
2425         VM_SAFEPARMCOUNT(2, VM_CL_gettaginfo);
2426
2427         e = PRVM_G_EDICT(OFS_PARM0);
2428         tagindex = (int)PRVM_G_FLOAT(OFS_PARM1);
2429         returncode = CL_GetTagMatrix(&tag_matrix, e, tagindex);
2430         Matrix4x4_ToVectors(&tag_matrix, prog->globals.client->v_forward, le, prog->globals.client->v_up, PRVM_G_VECTOR(OFS_RETURN));
2431         VectorScale(le, -1, prog->globals.client->v_right);
2432         CL_GetExtendedTagInfo(e, tagindex, &parentindex, &tagname, &tag_localmatrix);
2433         Matrix4x4_ToVectors(&tag_localmatrix, fo, le, up, trans);
2434
2435         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_parent)))
2436                 val->_float = parentindex;
2437         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_name)))
2438                 val->string = tagname ? PRVM_SetTempString(tagname) : 0;
2439         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_offset)))
2440                 VectorCopy(trans, val->vector);
2441         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_forward)))
2442                 VectorCopy(fo, val->vector);
2443         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_right)))
2444                 VectorScale(le, -1, val->vector);
2445         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_up)))
2446                 VectorCopy(up, val->vector);
2447
2448         switch(returncode)
2449         {
2450                 case 1:
2451                         VM_Warning("gettagindex: can't affect world entity\n");
2452                         break;
2453                 case 2:
2454                         VM_Warning("gettagindex: can't affect free entity\n");
2455                         break;
2456                 case 3:
2457                         Con_DPrintf("CL_GetTagMatrix(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(e));
2458                         break;
2459                 case 4:
2460                         Con_DPrintf("CL_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", PRVM_NUM_FOR_EDICT(e), tagindex);
2461                         break;
2462                 case 5:
2463                         Con_DPrintf("CL_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", PRVM_NUM_FOR_EDICT(e));
2464                         break;
2465         }
2466 }
2467
2468 //============================================================================
2469
2470 //====================
2471 // DP_CSQC_SPAWNPARTICLE
2472 // a QC hook to engine's CL_NewParticle
2473 //====================
2474
2475 // particle theme struct
2476 typedef struct vmparticletheme_s
2477 {
2478         unsigned short typeindex;
2479         qboolean initialized;
2480         pblend_t blendmode;
2481         porientation_t orientation;
2482         int color1;
2483         int color2;
2484         int tex;
2485         float size;
2486         float sizeincrease;
2487         int alpha;
2488         int alphafade;
2489         float gravity;
2490         float bounce;
2491         float airfriction;
2492         float liquidfriction;
2493         float originjitter;
2494         float velocityjitter;
2495         qboolean qualityreduction;
2496         float lifetime;
2497         float stretch;
2498         int staincolor1;
2499         int staincolor2;
2500         int staintex;
2501         float delayspawn;
2502         float delaycollision;
2503 }vmparticletheme_t;
2504
2505 // particle spawner
2506 typedef struct vmparticlespawner_s
2507 {
2508         mempool_t                       *pool;
2509         qboolean                        initialized;
2510         qboolean                        verified;
2511         vmparticletheme_t       *themes;
2512         int                                     max_themes;
2513         // global addresses
2514         float *particle_type;
2515         float *particle_blendmode; 
2516         float *particle_orientation;
2517         float *particle_color1;
2518         float *particle_color2;
2519         float *particle_tex;
2520         float *particle_size;
2521         float *particle_sizeincrease;
2522         float *particle_alpha;
2523         float *particle_alphafade;
2524         float *particle_time;
2525         float *particle_gravity;
2526         float *particle_bounce;
2527         float *particle_airfriction;
2528         float *particle_liquidfriction;
2529         float *particle_originjitter;
2530         float *particle_velocityjitter;
2531         float *particle_qualityreduction;
2532         float *particle_stretch;
2533         float *particle_staincolor1;
2534         float *particle_staincolor2;
2535         float *particle_staintex;
2536         float *particle_delayspawn;
2537         float *particle_delaycollision;
2538 }vmparticlespawner_t;
2539
2540 vmparticlespawner_t vmpartspawner;
2541
2542 // TODO: automatic max_themes grow
2543 static void VM_InitParticleSpawner (int maxthemes)
2544 {
2545         prvm_eval_t *val;
2546
2547         // bound max themes to not be an insane value
2548         if (maxthemes < 4)
2549                 maxthemes = 4;
2550         if (maxthemes > 2048)
2551                 maxthemes = 2048;
2552         // allocate and set up structure
2553         if (vmpartspawner.initialized) // reallocate
2554         {
2555                 Mem_FreePool(&vmpartspawner.pool);
2556                 memset(&vmpartspawner, 0, sizeof(vmparticlespawner_t));
2557         }
2558         vmpartspawner.pool = Mem_AllocPool("VMPARTICLESPAWNER", 0, NULL);
2559         vmpartspawner.themes = (vmparticletheme_t *)Mem_Alloc(vmpartspawner.pool, sizeof(vmparticletheme_t)*maxthemes);
2560         vmpartspawner.max_themes = maxthemes;
2561         vmpartspawner.initialized = true;
2562         vmpartspawner.verified = true;
2563         // get field addresses for fast querying (we can do 1000 calls of spawnparticle in a frame)
2564         #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; }
2565         #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; }
2566         getglobal(particle_type, "particle_type");
2567         getglobal(particle_blendmode, "particle_blendmode");
2568         getglobal(particle_orientation, "particle_orientation");
2569         getglobalvector(particle_color1, "particle_color1");
2570         getglobalvector(particle_color2, "particle_color2");
2571         getglobal(particle_tex, "particle_tex");
2572         getglobal(particle_size, "particle_size");
2573         getglobal(particle_sizeincrease, "particle_sizeincrease");
2574         getglobal(particle_alpha, "particle_alpha");
2575         getglobal(particle_alphafade, "particle_alphafade");
2576         getglobal(particle_time, "particle_time");
2577         getglobal(particle_gravity, "particle_gravity");
2578         getglobal(particle_bounce, "particle_bounce");
2579         getglobal(particle_airfriction, "particle_airfriction");
2580         getglobal(particle_liquidfriction, "particle_liquidfriction");
2581         getglobal(particle_originjitter, "particle_originjitter");
2582         getglobal(particle_velocityjitter, "particle_velocityjitter");
2583         getglobal(particle_qualityreduction, "particle_qualityreduction");
2584         getglobal(particle_stretch, "particle_stretch");
2585         getglobalvector(particle_staincolor1, "particle_staincolor1");
2586         getglobalvector(particle_staincolor2, "particle_staincolor2");
2587         getglobal(particle_staintex, "particle_staintex");
2588         getglobal(particle_delayspawn, "particle_delayspawn");
2589         getglobal(particle_delaycollision, "particle_delaycollision");
2590         #undef getglobal
2591         #undef getglobalvector
2592 }
2593
2594 // reset particle theme to default values
2595 static void VM_ResetParticleTheme (vmparticletheme_t *theme)
2596 {
2597         theme->initialized = true;
2598         theme->typeindex = pt_static;
2599         theme->blendmode = PBLEND_ADD;
2600         theme->orientation = PARTICLE_BILLBOARD;
2601         theme->color1 = 0x808080;
2602         theme->color2 = 0xFFFFFF;
2603         theme->tex = 63;
2604         theme->size = 2;
2605         theme->sizeincrease = 0;
2606         theme->alpha = 256;
2607         theme->alphafade = 512;
2608         theme->gravity = 0.0f;
2609         theme->bounce = 0.0f;
2610         theme->airfriction = 1.0f;
2611         theme->liquidfriction = 4.0f;
2612         theme->originjitter = 0.0f;
2613         theme->velocityjitter = 0.0f;
2614         theme->qualityreduction = false;
2615         theme->lifetime = 4;
2616         theme->stretch = 1;
2617         theme->staincolor1 = -1;
2618         theme->staincolor2 = -1;
2619         theme->staintex = -1;
2620         theme->delayspawn = 0.0f;
2621         theme->delaycollision = 0.0f;
2622 }
2623
2624 // particle theme -> QC globals
2625 void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme)
2626 {
2627         *vmpartspawner.particle_type = theme->typeindex;
2628         *vmpartspawner.particle_blendmode = theme->blendmode;
2629         *vmpartspawner.particle_orientation = theme->orientation;
2630         vmpartspawner.particle_color1[0] = (theme->color1 >> 16) & 0xFF; // VorteX: int only can store 0-255, not 0-256 which means 0 - 0,99609375...
2631         vmpartspawner.particle_color1[1] = (theme->color1 >> 8) & 0xFF;
2632         vmpartspawner.particle_color1[2] = (theme->color1 >> 0) & 0xFF;
2633         vmpartspawner.particle_color2[0] = (theme->color2 >> 16) & 0xFF;
2634         vmpartspawner.particle_color2[1] = (theme->color2 >> 8) & 0xFF;
2635         vmpartspawner.particle_color2[2] = (theme->color2 >> 0) & 0xFF;
2636         *vmpartspawner.particle_tex = (float)theme->tex;
2637         *vmpartspawner.particle_size = theme->size;
2638         *vmpartspawner.particle_sizeincrease = theme->sizeincrease;
2639         *vmpartspawner.particle_alpha = (float)theme->alpha/256;
2640         *vmpartspawner.particle_alphafade = (float)theme->alphafade/256;
2641         *vmpartspawner.particle_time = theme->lifetime;
2642         *vmpartspawner.particle_gravity = theme->gravity;
2643         *vmpartspawner.particle_bounce = theme->bounce;
2644         *vmpartspawner.particle_airfriction = theme->airfriction;
2645         *vmpartspawner.particle_liquidfriction = theme->liquidfriction;
2646         *vmpartspawner.particle_originjitter = theme->originjitter;
2647         *vmpartspawner.particle_velocityjitter = theme->velocityjitter;
2648         *vmpartspawner.particle_qualityreduction = theme->qualityreduction;
2649         *vmpartspawner.particle_stretch = theme->stretch;
2650         vmpartspawner.particle_staincolor1[0] = (theme->staincolor1 >> 16) & 0xFF;
2651         vmpartspawner.particle_staincolor1[1] = (theme->staincolor1 >> 8) & 0xFF;
2652         vmpartspawner.particle_staincolor1[2] = (theme->staincolor1 >> 0) & 0xFF;
2653         vmpartspawner.particle_staincolor2[0] = (theme->staincolor2 >> 16) & 0xFF;
2654         vmpartspawner.particle_staincolor2[1] = (theme->staincolor2 >> 8) & 0xFF;
2655         vmpartspawner.particle_staincolor2[2] = (theme->staincolor2 >> 0) & 0xFF;
2656         *vmpartspawner.particle_staintex = (float)theme->staintex;
2657         *vmpartspawner.particle_delayspawn = theme->delayspawn;
2658         *vmpartspawner.particle_delaycollision = theme->delaycollision;
2659 }
2660
2661 // QC globals ->  particle theme
2662 void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme)
2663 {
2664         theme->typeindex = (unsigned short)*vmpartspawner.particle_type;
2665         theme->blendmode = (pblend_t)*vmpartspawner.particle_blendmode;
2666         theme->orientation = (porientation_t)*vmpartspawner.particle_orientation;
2667         theme->color1 = ((int)vmpartspawner.particle_color1[0] << 16) + ((int)vmpartspawner.particle_color1[1] << 8) + ((int)vmpartspawner.particle_color1[2]);
2668         theme->color2 = ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]);
2669         theme->tex = (int)*vmpartspawner.particle_tex;
2670         theme->size = *vmpartspawner.particle_size;
2671         theme->sizeincrease = *vmpartspawner.particle_sizeincrease;
2672         theme->alpha = (int)(*vmpartspawner.particle_alpha*256);
2673         theme->alphafade = (int)(*vmpartspawner.particle_alphafade*256);
2674         theme->lifetime = *vmpartspawner.particle_time;
2675         theme->gravity = *vmpartspawner.particle_gravity;
2676         theme->bounce = *vmpartspawner.particle_bounce;
2677         theme->airfriction = *vmpartspawner.particle_airfriction;
2678         theme->liquidfriction = *vmpartspawner.particle_liquidfriction;
2679         theme->originjitter = *vmpartspawner.particle_originjitter;
2680         theme->velocityjitter = *vmpartspawner.particle_velocityjitter;
2681         theme->qualityreduction = (*vmpartspawner.particle_qualityreduction) ? true : false;
2682         theme->stretch = *vmpartspawner.particle_stretch;
2683         theme->staincolor1 = vmpartspawner.particle_staincolor1[0]*65536 + vmpartspawner.particle_staincolor1[1]*256 + vmpartspawner.particle_staincolor1[2];
2684         theme->staincolor2 = vmpartspawner.particle_staincolor2[0]*65536 + vmpartspawner.particle_staincolor2[1]*256 + vmpartspawner.particle_staincolor2[2];
2685         theme->staintex =(int)*vmpartspawner.particle_staintex;
2686         theme->delayspawn = *vmpartspawner.particle_delayspawn;
2687         theme->delaycollision = *vmpartspawner.particle_delaycollision;
2688 }
2689
2690 // init particle spawner interface
2691 // # float(float max_themes) initparticlespawner
2692 void VM_CL_InitParticleSpawner (void)
2693 {
2694         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_InitParticleSpawner);
2695         VM_InitParticleSpawner((int)PRVM_G_FLOAT(OFS_PARM0));
2696         vmpartspawner.themes[0].initialized = true;
2697         VM_ResetParticleTheme(&vmpartspawner.themes[0]);
2698         PRVM_G_FLOAT(OFS_RETURN) = (vmpartspawner.verified == true) ? 1 : 0;
2699 }
2700
2701 // void() resetparticle
2702 void VM_CL_ResetParticle (void)
2703 {
2704         VM_SAFEPARMCOUNT(0, VM_CL_ResetParticle);
2705         if (vmpartspawner.verified == false)
2706         {
2707                 VM_Warning("VM_CL_ResetParticle: particle spawner not initialized\n");
2708                 return;
2709         }
2710         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2711 }
2712
2713 // void(float themenum) particletheme
2714 void VM_CL_ParticleTheme (void)
2715 {
2716         int themenum;
2717
2718         VM_SAFEPARMCOUNT(1, VM_CL_ParticleTheme);
2719         if (vmpartspawner.verified == false)
2720         {
2721                 VM_Warning("VM_CL_ParticleTheme: particle spawner not initialized\n");
2722                 return;
2723         }
2724         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2725         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2726         {
2727                 VM_Warning("VM_CL_ParticleTheme: bad theme number %i\n", themenum);
2728                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2729                 return;
2730         }
2731         if (vmpartspawner.themes[themenum].initialized == false)
2732         {
2733                 VM_Warning("VM_CL_ParticleTheme: theme #%i not exists\n", themenum);
2734                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2735                 return;
2736         }
2737         // load particle theme into globals
2738         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[themenum]);
2739 }
2740
2741 // float() saveparticletheme
2742 // void(float themenum) updateparticletheme
2743 void VM_CL_ParticleThemeSave (void)
2744 {
2745         int themenum;
2746
2747         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_ParticleThemeSave);
2748         if (vmpartspawner.verified == false)
2749         {
2750                 VM_Warning("VM_CL_ParticleThemeSave: particle spawner not initialized\n");
2751                 return;
2752         }
2753         // allocate new theme, save it and return
2754         if (prog->argc < 1)
2755         {
2756                 for (themenum = 0; themenum < vmpartspawner.max_themes; themenum++)
2757                         if (vmpartspawner.themes[themenum].initialized == false)
2758                                 break;
2759                 if (themenum >= vmpartspawner.max_themes)
2760                 {
2761                         if (vmpartspawner.max_themes == 2048)
2762                                 VM_Warning("VM_CL_ParticleThemeSave: no free theme slots\n");
2763                         else
2764                                 VM_Warning("VM_CL_ParticleThemeSave: no free theme slots, try initparticlespawner() with highter max_themes\n");
2765                         PRVM_G_FLOAT(OFS_RETURN) = -1;
2766                         return;
2767                 }
2768                 vmpartspawner.themes[themenum].initialized = true;
2769                 VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum]);
2770                 PRVM_G_FLOAT(OFS_RETURN) = themenum;
2771                 return;
2772         }
2773         // update existing theme
2774         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2775         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2776         {
2777                 VM_Warning("VM_CL_ParticleThemeSave: bad theme number %i\n", themenum);
2778                 return;
2779         }
2780         vmpartspawner.themes[themenum].initialized = true;
2781         VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum]);
2782 }
2783
2784 // void(float themenum) freeparticletheme
2785 void VM_CL_ParticleThemeFree (void)
2786 {
2787         int themenum;
2788
2789         VM_SAFEPARMCOUNT(1, VM_CL_ParticleThemeFree);
2790         if (vmpartspawner.verified == false)
2791         {
2792                 VM_Warning("VM_CL_ParticleThemeFree: particle spawner not initialized\n");
2793                 return;
2794         }
2795         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2796         // check parms
2797         if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2798         {
2799                 VM_Warning("VM_CL_ParticleThemeFree: bad theme number %i\n", themenum);
2800                 return;
2801         }
2802         if (vmpartspawner.themes[themenum].initialized == false)
2803         {
2804                 VM_Warning("VM_CL_ParticleThemeFree: theme #%i already freed\n", themenum);
2805                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2806                 return;
2807         }
2808         // free theme
2809         VM_ResetParticleTheme(&vmpartspawner.themes[themenum]);
2810         vmpartspawner.themes[themenum].initialized = false;
2811 }
2812
2813 // float(vector org, vector dir, [float theme]) particle
2814 // returns 0 if failed, 1 if succesful
2815 void VM_CL_SpawnParticle (void)
2816 {
2817         float *org, *dir;
2818         vmparticletheme_t *theme;
2819         particle_t *part;
2820         int themenum;
2821
2822         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_SpawnParticle2);
2823         if (vmpartspawner.verified == false)
2824         {
2825                 VM_Warning("VM_CL_SpawnParticle: particle spawner not initialized\n");
2826                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2827                 return;
2828         }
2829         org = PRVM_G_VECTOR(OFS_PARM0);
2830         dir = PRVM_G_VECTOR(OFS_PARM1);
2831         
2832         if (prog->argc < 3) // global-set particle
2833         {
2834                 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);
2835                 if (!part)
2836                 {
2837                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2838                         return;
2839                 }
2840                 if (*vmpartspawner.particle_delayspawn)
2841                         part->delayedspawn = cl.time + *vmpartspawner.particle_delayspawn;
2842                 if (*vmpartspawner.particle_delaycollision)
2843                         part->delayedcollisions = cl.time + *vmpartspawner.particle_delaycollision;
2844         }
2845         else // quick themed particle
2846         {
2847                 themenum = (int)PRVM_G_FLOAT(OFS_PARM2);
2848                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2849                 {
2850                         VM_Warning("VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2851                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2852                         return;
2853                 }
2854                 theme = &vmpartspawner.themes[themenum];
2855                 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);
2856                 if (!part)
2857                 {
2858                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2859                         return;
2860                 }
2861                 if (theme->delayspawn)
2862                         part->delayedspawn = cl.time + theme->delayspawn;
2863                 if (theme->delaycollision)
2864                         part->delayedcollisions = cl.time + theme->delaycollision;
2865         }
2866         PRVM_G_FLOAT(OFS_RETURN) = 1; 
2867 }
2868
2869 // float(vector org, vector dir, float spawndelay, float collisiondelay, [float theme]) delayedparticle
2870 // returns 0 if failed, 1 if success
2871 void VM_CL_SpawnParticleDelayed (void)
2872 {
2873         float *org, *dir;
2874         vmparticletheme_t *theme;
2875         particle_t *part;
2876         int themenum;
2877
2878         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_SpawnParticle2);
2879         if (vmpartspawner.verified == false)
2880         {
2881                 VM_Warning("VM_CL_SpawnParticle: particle spawner not initialized\n");
2882                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2883                 return;
2884         }
2885         org = PRVM_G_VECTOR(OFS_PARM0);
2886         dir = PRVM_G_VECTOR(OFS_PARM1);
2887         if (prog->argc < 5) // global-set particle
2888                 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);
2889         else // themed particle
2890         {
2891                 themenum = (int)PRVM_G_FLOAT(OFS_PARM4);
2892                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2893                 {
2894                         VM_Warning("VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2895                         PRVM_G_FLOAT(OFS_RETURN) = 0;  
2896                         return;
2897                 }
2898                 theme = &vmpartspawner.themes[themenum];
2899                 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);
2900         }
2901         if (!part) 
2902         { 
2903                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2904                 return; 
2905         }
2906         part->delayedspawn = cl.time + PRVM_G_FLOAT(OFS_PARM2);
2907         part->delayedcollisions = cl.time + PRVM_G_FLOAT(OFS_PARM3);
2908         PRVM_G_FLOAT(OFS_RETURN) = 0;
2909 }
2910
2911 //
2912 //====================
2913 //QC POLYGON functions
2914 //====================
2915
2916 #define VMPOLYGONS_MAXPOINTS 64
2917
2918 typedef struct vmpolygons_triangle_s
2919 {
2920         rtexture_t              *texture;
2921         int                             drawflag;
2922         unsigned short  elements[3];
2923 }vmpolygons_triangle_t;
2924
2925 typedef struct vmpolygons_s
2926 {
2927         mempool_t               *pool;
2928         qboolean                initialized;
2929         double          progstarttime;
2930
2931         int                             max_vertices;
2932         int                             num_vertices;
2933         float                   *data_vertex3f;
2934         float                   *data_color4f;
2935         float                   *data_texcoord2f;
2936
2937         int                             max_triangles;
2938         int                             num_triangles;
2939         vmpolygons_triangle_t *data_triangles;
2940         unsigned short  *data_sortedelement3s;
2941
2942         qboolean                begin_active;
2943         rtexture_t              *begin_texture;
2944         int                             begin_drawflag;
2945         int                             begin_vertices;
2946         float                   begin_vertex[VMPOLYGONS_MAXPOINTS][3];
2947         float                   begin_color[VMPOLYGONS_MAXPOINTS][4];
2948         float                   begin_texcoord[VMPOLYGONS_MAXPOINTS][2];
2949 } vmpolygons_t;
2950
2951 // FIXME: make VM_CL_R_Polygon functions use Debug_Polygon functions?
2952 vmpolygons_t vmpolygons[PRVM_MAXPROGS];
2953
2954 //#304 void() renderscene (EXT_CSQC)
2955 // moved that here to reset the polygons,
2956 // resetting them earlier causes R_Mesh_Draw to be called with numvertices = 0
2957 // --blub
2958 void VM_CL_R_RenderScene (void)
2959 {
2960         double t = Sys_DoubleTime();
2961         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
2962         VM_SAFEPARMCOUNT(0, VM_CL_R_RenderScene);
2963
2964         // we need to update any RENDER_VIEWMODEL entities at this point because
2965         // csqc supplies its own view matrix
2966         CL_UpdateViewEntities();
2967         // now draw stuff!
2968         R_RenderView();
2969
2970         polys->num_vertices = polys->num_triangles = 0;
2971         polys->progstarttime = prog->starttime;
2972
2973         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
2974         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
2975 }
2976
2977 static void VM_ResizePolygons(vmpolygons_t *polys)
2978 {
2979         float *oldvertex3f = polys->data_vertex3f;
2980         float *oldcolor4f = polys->data_color4f;
2981         float *oldtexcoord2f = polys->data_texcoord2f;
2982         vmpolygons_triangle_t *oldtriangles = polys->data_triangles;
2983         unsigned short *oldsortedelement3s = polys->data_sortedelement3s;
2984         polys->max_vertices = min(polys->max_triangles*3, 65536);
2985         polys->data_vertex3f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[3]));
2986         polys->data_color4f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[4]));
2987         polys->data_texcoord2f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[2]));
2988         polys->data_triangles = (vmpolygons_triangle_t *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(vmpolygons_triangle_t));
2989         polys->data_sortedelement3s = (unsigned short *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(unsigned short[3]));
2990         if (polys->num_vertices)
2991         {
2992                 memcpy(polys->data_vertex3f, oldvertex3f, polys->num_vertices*sizeof(float[3]));
2993                 memcpy(polys->data_color4f, oldcolor4f, polys->num_vertices*sizeof(float[4]));
2994                 memcpy(polys->data_texcoord2f, oldtexcoord2f, polys->num_vertices*sizeof(float[2]));
2995         }
2996         if (polys->num_triangles)
2997         {
2998                 memcpy(polys->data_triangles, oldtriangles, polys->num_triangles*sizeof(vmpolygons_triangle_t));
2999                 memcpy(polys->data_sortedelement3s, oldsortedelement3s, polys->num_triangles*sizeof(unsigned short[3]));
3000         }
3001         if (oldvertex3f)
3002                 Mem_Free(oldvertex3f);
3003         if (oldcolor4f)
3004                 Mem_Free(oldcolor4f);
3005         if (oldtexcoord2f)
3006                 Mem_Free(oldtexcoord2f);
3007         if (oldtriangles)
3008                 Mem_Free(oldtriangles);
3009         if (oldsortedelement3s)
3010                 Mem_Free(oldsortedelement3s);
3011 }
3012
3013 static void VM_InitPolygons (vmpolygons_t* polys)
3014 {
3015         memset(polys, 0, sizeof(*polys));
3016         polys->pool = Mem_AllocPool("VMPOLY", 0, NULL);
3017         polys->max_triangles = 1024;
3018         VM_ResizePolygons(polys);
3019         polys->initialized = true;
3020 }
3021
3022 static void VM_DrawPolygonCallback (const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
3023 {
3024         int surfacelistindex;
3025         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3026         if(polys->progstarttime != prog->starttime) // from other progs? won't draw these (this can cause crashes!)
3027                 return;
3028         R_Mesh_ResetTextureState();
3029         R_Mesh_Matrix(&identitymatrix);
3030         GL_CullFace(GL_NONE);
3031         R_Mesh_VertexPointer(polys->data_vertex3f, 0, 0);
3032         R_Mesh_ColorPointer(polys->data_color4f, 0, 0);
3033         R_Mesh_TexCoordPointer(0, 2, polys->data_texcoord2f, 0, 0);
3034         R_SetupGenericShader(true);
3035
3036         for (surfacelistindex = 0;surfacelistindex < numsurfaces;)
3037         {
3038                 int numtriangles = 0;
3039                 rtexture_t *tex = polys->data_triangles[surfacelist[surfacelistindex]].texture;
3040                 int drawflag = polys->data_triangles[surfacelist[surfacelistindex]].drawflag;
3041                 // this can't call _DrawQ_ProcessDrawFlag, but should be in sync with it
3042                 // FIXME factor this out
3043                 if(drawflag == DRAWFLAG_ADDITIVE)
3044                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
3045                 else if(drawflag == DRAWFLAG_MODULATE)
3046                         GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
3047                 else if(drawflag == DRAWFLAG_2XMODULATE)
3048                         GL_BlendFunc(GL_DST_COLOR,GL_SRC_COLOR);
3049                 else if(drawflag == DRAWFLAG_SCREEN)
3050                         GL_BlendFunc(GL_ONE_MINUS_DST_COLOR,GL_ONE);
3051                 else
3052                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
3053                 R_Mesh_TexBind(0, R_GetTexture(tex));
3054                 numtriangles = 0;
3055                 for (;surfacelistindex < numsurfaces;surfacelistindex++)
3056                 {
3057                         if (polys->data_triangles[surfacelist[surfacelistindex]].texture != tex || polys->data_triangles[surfacelist[surfacelistindex]].drawflag != drawflag)
3058                                 break;
3059                         VectorCopy(polys->data_triangles[surfacelist[surfacelistindex]].elements, polys->data_sortedelement3s + 3*numtriangles);
3060                         numtriangles++;
3061                 }
3062                 R_Mesh_Draw(0, polys->num_vertices, 0, numtriangles, NULL, polys->data_sortedelement3s, 0, 0);
3063         }
3064 }
3065
3066 void VMPolygons_Store(vmpolygons_t *polys)
3067 {
3068         if (r_refdef.draw2dstage)
3069         {
3070                 // draw the polygon as 2D immediately
3071                 drawqueuemesh_t mesh;
3072                 mesh.texture = polys->begin_texture;
3073                 mesh.num_vertices = polys->begin_vertices;
3074                 mesh.num_triangles = polys->begin_vertices-2;
3075                 mesh.data_element3s = polygonelements;
3076                 mesh.data_vertex3f = polys->begin_vertex[0];
3077                 mesh.data_color4f = polys->begin_color[0];
3078                 mesh.data_texcoord2f = polys->begin_texcoord[0];
3079                 DrawQ_Mesh(&mesh, polys->begin_drawflag);
3080         }
3081         else
3082         {
3083                 // queue the polygon as 3D for sorted transparent rendering later
3084                 int i;
3085                 if (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3086                 {
3087                         polys->max_triangles *= 2;
3088                         VM_ResizePolygons(polys);
3089                 }
3090                 if (polys->num_vertices + polys->begin_vertices <= polys->max_vertices)
3091                 {
3092                         // needle in a haystack!
3093                         // polys->num_vertices was used for copying where we actually want to copy begin_vertices
3094                         // that also caused it to not render the first polygon that is added
3095                         // --blub
3096                         memcpy(polys->data_vertex3f + polys->num_vertices * 3, polys->begin_vertex[0], polys->begin_vertices * sizeof(float[3]));
3097                         memcpy(polys->data_color4f + polys->num_vertices * 4, polys->begin_color[0], polys->begin_vertices * sizeof(float[4]));
3098                         memcpy(polys->data_texcoord2f + polys->num_vertices * 2, polys->begin_texcoord[0], polys->begin_vertices * sizeof(float[2]));
3099                         for (i = 0;i < polys->begin_vertices-2;i++)
3100                         {
3101                                 polys->data_triangles[polys->num_triangles].texture = polys->begin_texture;
3102                                 polys->data_triangles[polys->num_triangles].drawflag = polys->begin_drawflag;
3103                                 polys->data_triangles[polys->num_triangles].elements[0] = polys->num_vertices;
3104                                 polys->data_triangles[polys->num_triangles].elements[1] = polys->num_vertices + i+1;
3105                                 polys->data_triangles[polys->num_triangles].elements[2] = polys->num_vertices + i+2;
3106                                 polys->num_triangles++;
3107                         }
3108                         polys->num_vertices += polys->begin_vertices;
3109                 }
3110         }
3111         polys->begin_active = false;
3112 }
3113
3114 // TODO: move this into the client code and clean-up everything else, too! [1/6/2008 Black]
3115 // LordHavoc: agreed, this is a mess
3116 void VM_CL_AddPolygonsToMeshQueue (void)
3117 {
3118         int i;
3119         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3120         vec3_t center;
3121
3122         // only add polygons of the currently active prog to the queue - if there is none, we're done
3123         if( !prog )
3124                 return;
3125
3126         if (!polys->num_triangles)
3127                 return;
3128
3129         for (i = 0;i < polys->num_triangles;i++)
3130         {
3131                 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);
3132                 R_MeshQueue_AddTransparent(center, VM_DrawPolygonCallback, NULL, i, NULL);
3133         }
3134
3135         /*polys->num_triangles = 0; // now done after rendering the scene,
3136           polys->num_vertices = 0;  // otherwise it's not rendered at all and prints an error message --blub */
3137 }
3138
3139 //void(string texturename, float flag) R_BeginPolygon
3140 void VM_CL_R_PolygonBegin (void)
3141 {
3142         const char              *picname;
3143         skinframe_t     *sf;
3144         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3145         int tf;
3146
3147         // TODO instead of using skinframes here (which provides the benefit of
3148         // better management of flags, and is more suited for 3D rendering), what
3149         // about supporting Q3 shaders?
3150
3151         VM_SAFEPARMCOUNT(2, VM_CL_R_PolygonBegin);
3152
3153         if (!polys->initialized)
3154                 VM_InitPolygons(polys);
3155         if(polys->progstarttime != prog->starttime)
3156         {
3157                 // from another progs? then reset the polys first (fixes crashes on map change, because that can make skinframe textures invalid)
3158                 polys->num_vertices = polys->num_triangles = 0;
3159                 polys->progstarttime = prog->starttime;
3160         }
3161         if (polys->begin_active)
3162         {
3163                 VM_Warning("VM_CL_R_PolygonBegin: called twice without VM_CL_R_PolygonBegin after first\n");
3164                 return;
3165         }
3166         picname = PRVM_G_STRING(OFS_PARM0);
3167
3168         sf = NULL;
3169         if(*picname)
3170         {
3171                 tf = TEXF_ALPHA;
3172                 if((int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MIPMAP)
3173                         tf |= TEXF_MIPMAP;
3174
3175                 do
3176                 {
3177                         sf = R_SkinFrame_FindNextByName(sf, picname);
3178                 }
3179                 while(sf && sf->textureflags != tf);
3180
3181                 if(!sf || !sf->base)
3182                         sf = R_SkinFrame_LoadExternal(picname, tf, true);
3183
3184                 if(sf)
3185                         R_SkinFrame_MarkUsed(sf);
3186         }
3187
3188         polys->begin_texture = (sf && sf->base) ? sf->base : r_texture_white;
3189         polys->begin_drawflag = (int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MASK;
3190         polys->begin_vertices = 0;
3191         polys->begin_active = true;
3192 }
3193
3194 //void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
3195 void VM_CL_R_PolygonVertex (void)
3196 {
3197         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3198
3199         VM_SAFEPARMCOUNT(4, VM_CL_R_PolygonVertex);
3200
3201         if (!polys->begin_active)
3202         {
3203                 VM_Warning("VM_CL_R_PolygonVertex: VM_CL_R_PolygonBegin wasn't called\n");
3204                 return;
3205         }
3206
3207         if (polys->begin_vertices >= VMPOLYGONS_MAXPOINTS)
3208         {
3209                 VM_Warning("VM_CL_R_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3210                 return;
3211         }
3212
3213         polys->begin_vertex[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM0)[0];
3214         polys->begin_vertex[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM0)[1];
3215         polys->begin_vertex[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM0)[2];
3216         polys->begin_texcoord[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM1)[0];
3217         polys->begin_texcoord[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM1)[1];
3218         polys->begin_color[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM2)[0];
3219         polys->begin_color[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM2)[1];
3220         polys->begin_color[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM2)[2];
3221         polys->begin_color[polys->begin_vertices][3] = PRVM_G_FLOAT(OFS_PARM3);
3222         polys->begin_vertices++;
3223 }
3224
3225 //void() R_EndPolygon
3226 void VM_CL_R_PolygonEnd (void)
3227 {
3228         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3229
3230         VM_SAFEPARMCOUNT(0, VM_CL_R_PolygonEnd);
3231         if (!polys->begin_active)
3232         {
3233                 VM_Warning("VM_CL_R_PolygonEnd: VM_CL_R_PolygonBegin wasn't called\n");
3234                 return;
3235         }
3236         polys->begin_active = false;
3237         if (polys->begin_vertices >= 3)
3238                 VMPolygons_Store(polys);
3239         else
3240                 VM_Warning("VM_CL_R_PolygonEnd: %i vertices isn't a good choice\n", polys->begin_vertices);
3241 }
3242
3243 static vmpolygons_t debugPolys;
3244
3245 void Debug_PolygonBegin(const char *picname, int drawflag)
3246 {
3247         if(!debugPolys.initialized)
3248                 VM_InitPolygons(&debugPolys);
3249         if(debugPolys.begin_active)
3250         {
3251                 Con_Printf("Debug_PolygonBegin: called twice without Debug_PolygonEnd after first\n");
3252                 return;
3253         }
3254         debugPolys.begin_texture = picname[0] ? Draw_CachePic (picname)->tex : r_texture_white;
3255         debugPolys.begin_drawflag = drawflag;
3256         debugPolys.begin_vertices = 0;
3257         debugPolys.begin_active = true;
3258 }
3259
3260 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a)
3261 {
3262         if(!debugPolys.begin_active)
3263         {
3264                 Con_Printf("Debug_PolygonVertex: Debug_PolygonBegin wasn't called\n");
3265                 return;
3266         }
3267
3268         if(debugPolys.begin_vertices > VMPOLYGONS_MAXPOINTS)
3269         {
3270                 Con_Printf("Debug_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3271                 return;
3272         }
3273
3274         debugPolys.begin_vertex[debugPolys.begin_vertices][0] = x;
3275         debugPolys.begin_vertex[debugPolys.begin_vertices][1] = y;
3276         debugPolys.begin_vertex[debugPolys.begin_vertices][2] = z;
3277         debugPolys.begin_texcoord[debugPolys.begin_vertices][0] = s;
3278         debugPolys.begin_texcoord[debugPolys.begin_vertices][1] = t;
3279         debugPolys.begin_color[debugPolys.begin_vertices][0] = r;
3280         debugPolys.begin_color[debugPolys.begin_vertices][1] = g;
3281         debugPolys.begin_color[debugPolys.begin_vertices][2] = b;
3282         debugPolys.begin_color[debugPolys.begin_vertices][3] = a;
3283         debugPolys.begin_vertices++;
3284 }
3285
3286 void Debug_PolygonEnd(void)
3287 {
3288         if (!debugPolys.begin_active)
3289         {
3290                 Con_Printf("Debug_PolygonEnd: Debug_PolygonBegin wasn't called\n");
3291                 return;
3292         }
3293         debugPolys.begin_active = false;
3294         if (debugPolys.begin_vertices >= 3)
3295                 VMPolygons_Store(&debugPolys);
3296         else
3297                 Con_Printf("Debug_PolygonEnd: %i vertices isn't a good choice\n", debugPolys.begin_vertices);
3298 }
3299
3300 /*
3301 =============
3302 CL_CheckBottom
3303
3304 Returns false if any part of the bottom of the entity is off an edge that
3305 is not a staircase.
3306
3307 =============
3308 */
3309 qboolean CL_CheckBottom (prvm_edict_t *ent)
3310 {
3311         vec3_t  mins, maxs, start, stop;
3312         trace_t trace;
3313         int             x, y;
3314         float   mid, bottom;
3315
3316         VectorAdd (ent->fields.client->origin, ent->fields.client->mins, mins);
3317         VectorAdd (ent->fields.client->origin, ent->fields.client->maxs, maxs);
3318
3319 // if all of the points under the corners are solid world, don't bother
3320 // with the tougher checks
3321 // the corners must be within 16 of the midpoint
3322         start[2] = mins[2] - 1;
3323         for     (x=0 ; x<=1 ; x++)
3324                 for     (y=0 ; y<=1 ; y++)
3325                 {
3326                         start[0] = x ? maxs[0] : mins[0];
3327                         start[1] = y ? maxs[1] : mins[1];
3328                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
3329                                 goto realcheck;
3330                 }
3331
3332         return true;            // we got out easy
3333
3334 realcheck:
3335 //
3336 // check it for real...
3337 //
3338         start[2] = mins[2];
3339
3340 // the midpoint must be within 16 of the bottom
3341         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
3342         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
3343         stop[2] = start[2] - 2*sv_stepheight.value;
3344         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true);
3345
3346         if (trace.fraction == 1.0)
3347                 return false;
3348         mid = bottom = trace.endpos[2];
3349
3350 // the corners must be within 16 of the midpoint
3351         for     (x=0 ; x<=1 ; x++)
3352                 for     (y=0 ; y<=1 ; y++)
3353                 {
3354                         start[0] = stop[0] = x ? maxs[0] : mins[0];
3355                         start[1] = stop[1] = y ? maxs[1] : mins[1];
3356
3357                         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true);
3358
3359                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
3360                                 bottom = trace.endpos[2];
3361                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
3362                                 return false;
3363                 }
3364
3365         return true;
3366 }
3367
3368 /*
3369 =============
3370 CL_movestep
3371
3372 Called by monster program code.
3373 The move will be adjusted for slopes and stairs, but if the move isn't
3374 possible, no move is done and false is returned
3375 =============
3376 */
3377 qboolean CL_movestep (prvm_edict_t *ent, vec3_t move, qboolean relink, qboolean noenemy, qboolean settrace)
3378 {
3379         float           dz;
3380         vec3_t          oldorg, neworg, end, traceendpos;
3381         trace_t         trace;
3382         int                     i, svent;
3383         prvm_edict_t            *enemy;
3384         prvm_eval_t     *val;
3385
3386 // try the move
3387         VectorCopy (ent->fields.client->origin, oldorg);
3388         VectorAdd (ent->fields.client->origin, move, neworg);