reducing error output in font loading (use developer != 0 to re-enable)
[divverent/darkplaces.git] / clvm_cmds.c
1 #include "quakedef.h"
2
3 #include "prvm_cmds.h"
4 #include "csprogs.h"
5 #include "cl_collision.h"
6 #include "r_shadow.h"
7 #include "jpeg.h"
8 #include "image.h"
9
10 //============================================================================
11 // Client
12 //[515]: unsolved PROBLEMS
13 //- finish player physics code (cs_runplayerphysics)
14 //- EntWasFreed ?
15 //- RF_DEPTHHACK is not like it should be
16 //- add builtin that sets cl.viewangles instead of reading "input_angles" global
17 //- finish lines support for R_Polygon***
18 //- insert selecttraceline into traceline somehow
19
20 //4 feature darkplaces csqc: add builtin to clientside qc for reading triangles of model meshes (useful to orient a ui along a triangle of a model mesh)
21 //4 feature darkplaces csqc: add builtins to clientside qc for gl calls
22
23 extern cvar_t v_flipped;
24 extern cvar_t r_equalize_entities_fullbright;
25
26 sfx_t *S_FindName(const char *name);
27 int Sbar_GetSortedPlayerIndex (int index);
28 void Sbar_SortFrags (void);
29 void CL_FindNonSolidLocation(const vec3_t in, vec3_t out, vec_t radius);
30 void CSQC_RelinkAllEntities (int drawmask);
31 void CSQC_RelinkCSQCEntities (void);
32 const char *Key_GetBind (int key);
33
34 // #1 void(vector ang) makevectors
35 static void VM_CL_makevectors (void)
36 {
37         VM_SAFEPARMCOUNT(1, VM_CL_makevectors);
38         AngleVectors (PRVM_G_VECTOR(OFS_PARM0), prog->globals.client->v_forward, prog->globals.client->v_right, prog->globals.client->v_up);
39 }
40
41 // #2 void(entity e, vector o) setorigin
42 void VM_CL_setorigin (void)
43 {
44         prvm_edict_t    *e;
45         float   *org;
46         VM_SAFEPARMCOUNT(2, VM_CL_setorigin);
47
48         e = PRVM_G_EDICT(OFS_PARM0);
49         if (e == prog->edicts)
50         {
51                 VM_Warning("setorigin: can not modify world entity\n");
52                 return;
53         }
54         if (e->priv.required->free)
55         {
56                 VM_Warning("setorigin: can not modify free entity\n");
57                 return;
58         }
59         org = PRVM_G_VECTOR(OFS_PARM1);
60         VectorCopy (org, e->fields.client->origin);
61         CL_LinkEdict(e);
62 }
63
64 static void SetMinMaxSize (prvm_edict_t *e, float *min, float *max)
65 {
66         int             i;
67
68         for (i=0 ; i<3 ; i++)
69                 if (min[i] > max[i])
70                         PRVM_ERROR("SetMinMaxSize: backwards mins/maxs");
71
72         // set derived values
73         VectorCopy (min, e->fields.client->mins);
74         VectorCopy (max, e->fields.client->maxs);
75         VectorSubtract (max, min, e->fields.client->size);
76
77         CL_LinkEdict (e);
78 }
79
80 // #3 void(entity e, string m) setmodel
81 void VM_CL_setmodel (void)
82 {
83         prvm_edict_t    *e;
84         const char              *m;
85         dp_model_t *mod;
86         int                             i;
87
88         VM_SAFEPARMCOUNT(2, VM_CL_setmodel);
89
90         e = PRVM_G_EDICT(OFS_PARM0);
91         e->fields.client->modelindex = 0;
92         e->fields.client->model = 0;
93
94         m = PRVM_G_STRING(OFS_PARM1);
95         mod = NULL;
96         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
97         {
98                 if (!strcmp(cl.csqc_model_precache[i]->name, m))
99                 {
100                         mod = cl.csqc_model_precache[i];
101                         e->fields.client->model = PRVM_SetEngineString(mod->name);
102                         e->fields.client->modelindex = -(i+1);
103                         break;
104                 }
105         }
106
107         if( !mod ) {
108                 for (i = 0;i < MAX_MODELS;i++)
109                 {
110                         mod = cl.model_precache[i];
111                         if (mod && !strcmp(mod->name, m))
112                         {
113                                 e->fields.client->model = PRVM_SetEngineString(mod->name);
114                                 e->fields.client->modelindex = i;
115                                 break;
116                         }
117                 }
118         }
119
120         if( mod ) {
121                 // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
122                 //SetMinMaxSize (e, mod->normalmins, mod->normalmaxs);
123         }
124         else
125         {
126                 SetMinMaxSize (e, vec3_origin, vec3_origin);
127                 VM_Warning ("setmodel: model '%s' not precached\n", m);
128         }
129 }
130
131 // #4 void(entity e, vector min, vector max) setsize
132 static void VM_CL_setsize (void)
133 {
134         prvm_edict_t    *e;
135         float                   *min, *max;
136         VM_SAFEPARMCOUNT(3, VM_CL_setsize);
137
138         e = PRVM_G_EDICT(OFS_PARM0);
139         if (e == prog->edicts)
140         {
141                 VM_Warning("setsize: can not modify world entity\n");
142                 return;
143         }
144         if (e->priv.server->free)
145         {
146                 VM_Warning("setsize: can not modify free entity\n");
147                 return;
148         }
149         min = PRVM_G_VECTOR(OFS_PARM1);
150         max = PRVM_G_VECTOR(OFS_PARM2);
151
152         SetMinMaxSize( e, min, max );
153
154         CL_LinkEdict(e);
155 }
156
157 // #8 void(entity e, float chan, string samp, float volume, float atten) sound
158 static void VM_CL_sound (void)
159 {
160         const char                      *sample;
161         int                                     channel;
162         prvm_edict_t            *entity;
163         float                           volume;
164         float                           attenuation;
165         vec3_t                          org;
166
167         VM_SAFEPARMCOUNT(5, VM_CL_sound);
168
169         entity = PRVM_G_EDICT(OFS_PARM0);
170         channel = (int)PRVM_G_FLOAT(OFS_PARM1);
171         sample = PRVM_G_STRING(OFS_PARM2);
172         volume = PRVM_G_FLOAT(OFS_PARM3);
173         attenuation = PRVM_G_FLOAT(OFS_PARM4);
174
175         if (volume < 0 || volume > 1)
176         {
177                 VM_Warning("VM_CL_sound: volume must be in range 0-1\n");
178                 return;
179         }
180
181         if (attenuation < 0 || attenuation > 4)
182         {
183                 VM_Warning("VM_CL_sound: attenuation must be in range 0-4\n");
184                 return;
185         }
186
187         if (channel < 0 || channel > 7)
188         {
189                 VM_Warning("VM_CL_sound: channel must be in range 0-7\n");
190                 return;
191         }
192
193         CL_VM_GetEntitySoundOrigin(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), org);
194         S_StartSound(MAX_EDICTS + PRVM_NUM_FOR_EDICT(entity), channel, S_FindName(sample), org, volume, attenuation);
195 }
196
197 // #483 void(vector origin, string sample, float volume, float attenuation) pointsound
198 static void VM_CL_pointsound(void)
199 {
200         const char                      *sample;
201         float                           volume;
202         float                           attenuation;
203         vec3_t                          org;
204
205         VM_SAFEPARMCOUNT(4, VM_CL_pointsound);
206
207         VectorCopy( PRVM_G_VECTOR(OFS_PARM0), org);
208         sample = PRVM_G_STRING(OFS_PARM1);
209         volume = PRVM_G_FLOAT(OFS_PARM2);
210         attenuation = PRVM_G_FLOAT(OFS_PARM3);
211
212         if (volume < 0 || volume > 1)
213         {
214                 VM_Warning("VM_CL_pointsound: volume must be in range 0-1\n");
215                 return;
216         }
217
218         if (attenuation < 0 || attenuation > 4)
219         {
220                 VM_Warning("VM_CL_pointsound: attenuation must be in range 0-4\n");
221                 return;
222         }
223
224         // Send World Entity as Entity to Play Sound (for CSQC, that is MAX_EDICTS)
225         S_StartSound(MAX_EDICTS, 0, S_FindName(sample), org, volume, attenuation);
226 }
227
228 // #14 entity() spawn
229 static void VM_CL_spawn (void)
230 {
231         prvm_edict_t *ed;
232         ed = PRVM_ED_Alloc();
233         VM_RETURN_EDICT(ed);
234 }
235
236 void CL_VM_SetTraceGlobals(const trace_t *trace, int svent)
237 {
238         prvm_eval_t *val;
239         VM_SetTraceGlobals(trace);
240         if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_networkentity)))
241                 val->_float = svent;
242 }
243
244 #define CL_HitNetworkBrushModels(move) !((move) == MOVE_WORLDONLY)
245 #define CL_HitNetworkPlayers(move)     !((move) == MOVE_WORLDONLY || (move) == MOVE_NOMONSTERS)
246
247 // #16 void(vector v1, vector v2, float movetype, entity ignore) traceline
248 static void VM_CL_traceline (void)
249 {
250         float   *v1, *v2;
251         trace_t trace;
252         int             move, svent;
253         prvm_edict_t    *ent;
254
255         VM_SAFEPARMCOUNTRANGE(4, 4, VM_CL_traceline);
256
257         prog->xfunction->builtinsprofile += 30;
258
259         v1 = PRVM_G_VECTOR(OFS_PARM0);
260         v2 = PRVM_G_VECTOR(OFS_PARM1);
261         move = (int)PRVM_G_FLOAT(OFS_PARM2);
262         ent = PRVM_G_EDICT(OFS_PARM3);
263
264         if (IS_NAN(v1[0]) || IS_NAN(v1[1]) || IS_NAN(v1[2]) || IS_NAN(v2[0]) || IS_NAN(v2[1]) || IS_NAN(v2[2]))
265                 PRVM_ERROR("%s: NAN errors detected in traceline('%f %f %f', '%f %f %f', %i, entity %i)\n", PRVM_NAME, v1[0], v1[1], v1[2], v2[0], v2[1], v2[2], move, PRVM_EDICT_TO_PROG(ent));
266
267         trace = CL_TraceLine(v1, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
268
269         CL_VM_SetTraceGlobals(&trace, svent);
270 }
271
272 /*
273 =================
274 VM_CL_tracebox
275
276 Used for use tracing and shot targeting
277 Traces are blocked by bbox and exact bsp entityes, and also slide box entities
278 if the tryents flag is set.
279
280 tracebox (vector1, vector mins, vector maxs, vector2, tryents)
281 =================
282 */
283 // LordHavoc: added this for my own use, VERY useful, similar to traceline
284 static void VM_CL_tracebox (void)
285 {
286         float   *v1, *v2, *m1, *m2;
287         trace_t trace;
288         int             move, svent;
289         prvm_edict_t    *ent;
290
291         VM_SAFEPARMCOUNTRANGE(6, 8, VM_CL_tracebox); // allow more parameters for future expansion
292
293         prog->xfunction->builtinsprofile += 30;
294
295         v1 = PRVM_G_VECTOR(OFS_PARM0);
296         m1 = PRVM_G_VECTOR(OFS_PARM1);
297         m2 = PRVM_G_VECTOR(OFS_PARM2);
298         v2 = PRVM_G_VECTOR(OFS_PARM3);
299         move = (int)PRVM_G_FLOAT(OFS_PARM4);
300         ent = PRVM_G_EDICT(OFS_PARM5);
301
302         if (IS_NAN(v1[0]) || IS_NAN(v1[1]) || IS_NAN(v1[2]) || IS_NAN(v2[0]) || IS_NAN(v2[1]) || IS_NAN(v2[2]))
303                 PRVM_ERROR("%s: NAN errors detected in tracebox('%f %f %f', '%f %f %f', '%f %f %f', '%f %f %f', %i, entity %i)\n", PRVM_NAME, v1[0], v1[1], v1[2], m1[0], m1[1], m1[2], m2[0], m2[1], m2[2], v2[0], v2[1], v2[2], move, PRVM_EDICT_TO_PROG(ent));
304
305         trace = CL_TraceBox(v1, m1, m2, v2, move, ent, CL_GenericHitSuperContentsMask(ent), CL_HitNetworkBrushModels(move), CL_HitNetworkPlayers(move), &svent, true);
306
307         CL_VM_SetTraceGlobals(&trace, svent);
308 }
309
310 trace_t CL_Trace_Toss (prvm_edict_t *tossent, prvm_edict_t *ignore, int *svent)
311 {
312         int i;
313         float gravity;
314         vec3_t move, end;
315         vec3_t original_origin;
316         vec3_t original_velocity;
317         vec3_t original_angles;
318         vec3_t original_avelocity;
319         prvm_eval_t *val;
320         trace_t trace;
321
322         VectorCopy(tossent->fields.client->origin   , original_origin   );
323         VectorCopy(tossent->fields.client->velocity , original_velocity );
324         VectorCopy(tossent->fields.client->angles   , original_angles   );
325         VectorCopy(tossent->fields.client->avelocity, original_avelocity);
326
327         val = PRVM_EDICTFIELDVALUE(tossent, prog->fieldoffsets.gravity);
328         if (val != NULL && val->_float != 0)
329                 gravity = val->_float;
330         else
331                 gravity = 1.0;
332         gravity *= cl.movevars_gravity * 0.05;
333
334         for (i = 0;i < 200;i++) // LordHavoc: sanity check; never trace more than 10 seconds
335         {
336                 tossent->fields.client->velocity[2] -= gravity;
337                 VectorMA (tossent->fields.client->angles, 0.05, tossent->fields.client->avelocity, tossent->fields.client->angles);
338                 VectorScale (tossent->fields.client->velocity, 0.05, move);
339                 VectorAdd (tossent->fields.client->origin, move, end);
340                 trace = CL_TraceBox(tossent->fields.client->origin, tossent->fields.client->mins, tossent->fields.client->maxs, end, MOVE_NORMAL, tossent, CL_GenericHitSuperContentsMask(tossent), true, true, NULL, true);
341                 VectorCopy (trace.endpos, tossent->fields.client->origin);
342
343                 if (trace.fraction < 1)
344                         break;
345         }
346
347         VectorCopy(original_origin   , tossent->fields.client->origin   );
348         VectorCopy(original_velocity , tossent->fields.client->velocity );
349         VectorCopy(original_angles   , tossent->fields.client->angles   );
350         VectorCopy(original_avelocity, tossent->fields.client->avelocity);
351
352         return trace;
353 }
354
355 static void VM_CL_tracetoss (void)
356 {
357         trace_t trace;
358         prvm_edict_t    *ent;
359         prvm_edict_t    *ignore;
360         int svent;
361
362         prog->xfunction->builtinsprofile += 600;
363
364         VM_SAFEPARMCOUNT(2, VM_CL_tracetoss);
365
366         ent = PRVM_G_EDICT(OFS_PARM0);
367         if (ent == prog->edicts)
368         {
369                 VM_Warning("tracetoss: can not use world entity\n");
370                 return;
371         }
372         ignore = PRVM_G_EDICT(OFS_PARM1);
373
374         trace = CL_Trace_Toss (ent, ignore, &svent);
375
376         CL_VM_SetTraceGlobals(&trace, svent);
377 }
378
379
380 // #20 void(string s) precache_model
381 void VM_CL_precache_model (void)
382 {
383         const char      *name;
384         int                     i;
385         dp_model_t              *m;
386
387         VM_SAFEPARMCOUNT(1, VM_CL_precache_model);
388
389         name = PRVM_G_STRING(OFS_PARM0);
390         for (i = 0;i < MAX_MODELS && cl.csqc_model_precache[i];i++)
391         {
392                 if(!strcmp(cl.csqc_model_precache[i]->name, name))
393                 {
394                         PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
395                         return;
396                 }
397         }
398         PRVM_G_FLOAT(OFS_RETURN) = 0;
399         m = Mod_ForName(name, false, false, name[0] == '*' ? cl.model_name[1] : NULL);
400         if(m && m->loaded)
401         {
402                 for (i = 0;i < MAX_MODELS;i++)
403                 {
404                         if (!cl.csqc_model_precache[i])
405                         {
406                                 cl.csqc_model_precache[i] = (dp_model_t*)m;
407                                 PRVM_G_FLOAT(OFS_RETURN) = -(i+1);
408                                 return;
409                         }
410                 }
411                 VM_Warning("VM_CL_precache_model: no free models\n");
412                 return;
413         }
414         VM_Warning("VM_CL_precache_model: model \"%s\" not found\n", name);
415 }
416
417 int CSQC_EntitiesInBox (vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
418 {
419         prvm_edict_t    *ent;
420         int                             i, k;
421
422         ent = PRVM_NEXT_EDICT(prog->edicts);
423         for(k=0,i=1; i<prog->num_edicts ;i++, ent = PRVM_NEXT_EDICT(ent))
424         {
425                 if (ent->priv.required->free)
426                         continue;
427                 if(BoxesOverlap(mins, maxs, ent->fields.client->absmin, ent->fields.client->absmax))
428                         list[k++] = ent;
429         }
430         return k;
431 }
432
433 // #22 entity(vector org, float rad) findradius
434 static void VM_CL_findradius (void)
435 {
436         prvm_edict_t    *ent, *chain;
437         vec_t                   radius, radius2;
438         vec3_t                  org, eorg, mins, maxs;
439         int                             i, numtouchedicts;
440         static prvm_edict_t     *touchedicts[MAX_EDICTS];
441         int             chainfield;
442
443         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_findradius);
444
445         if(prog->argc == 3)
446                 chainfield = PRVM_G_INT(OFS_PARM2);
447         else
448                 chainfield = prog->fieldoffsets.chain;
449         if(chainfield < 0)
450                 PRVM_ERROR("VM_findchain: %s doesnt have the specified chain field !", PRVM_NAME);
451
452         chain = (prvm_edict_t *)prog->edicts;
453
454         VectorCopy(PRVM_G_VECTOR(OFS_PARM0), org);
455         radius = PRVM_G_FLOAT(OFS_PARM1);
456         radius2 = radius * radius;
457
458         mins[0] = org[0] - (radius + 1);
459         mins[1] = org[1] - (radius + 1);
460         mins[2] = org[2] - (radius + 1);
461         maxs[0] = org[0] + (radius + 1);
462         maxs[1] = org[1] + (radius + 1);
463         maxs[2] = org[2] + (radius + 1);
464         numtouchedicts = CSQC_EntitiesInBox(mins, maxs, MAX_EDICTS, touchedicts);
465         if (numtouchedicts > MAX_EDICTS)
466         {
467                 // this never happens   //[515]: for what then ?
468                 Con_Printf("CSQC_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
469                 numtouchedicts = MAX_EDICTS;
470         }
471         for (i = 0;i < numtouchedicts;i++)
472         {
473                 ent = touchedicts[i];
474                 // Quake did not return non-solid entities but darkplaces does
475                 // (note: this is the reason you can't blow up fallen zombies)
476                 if (ent->fields.client->solid == SOLID_NOT && !sv_gameplayfix_blowupfallenzombies.integer)
477                         continue;
478                 // LordHavoc: compare against bounding box rather than center so it
479                 // doesn't miss large objects, and use DotProduct instead of Length
480                 // for a major speedup
481                 VectorSubtract(org, ent->fields.client->origin, eorg);
482                 if (sv_gameplayfix_findradiusdistancetobox.integer)
483                 {
484                         eorg[0] -= bound(ent->fields.client->mins[0], eorg[0], ent->fields.client->maxs[0]);
485                         eorg[1] -= bound(ent->fields.client->mins[1], eorg[1], ent->fields.client->maxs[1]);
486                         eorg[2] -= bound(ent->fields.client->mins[2], eorg[2], ent->fields.client->maxs[2]);
487                 }
488                 else
489                         VectorMAMAM(1, eorg, -0.5f, ent->fields.client->mins, -0.5f, ent->fields.client->maxs, eorg);
490                 if (DotProduct(eorg, eorg) < radius2)
491                 {
492                         PRVM_EDICTFIELDVALUE(ent, chainfield)->edict = PRVM_EDICT_TO_PROG(chain);
493                         chain = ent;
494                 }
495         }
496
497         VM_RETURN_EDICT(chain);
498 }
499
500 // #34 float() droptofloor
501 static void VM_CL_droptofloor (void)
502 {
503         prvm_edict_t            *ent;
504         prvm_eval_t                     *val;
505         vec3_t                          end;
506         trace_t                         trace;
507
508         VM_SAFEPARMCOUNTRANGE(0, 2, VM_CL_droptofloor); // allow 2 parameters because the id1 defs.qc had an incorrect prototype
509
510         // assume failure if it returns early
511         PRVM_G_FLOAT(OFS_RETURN) = 0;
512
513         ent = PRVM_PROG_TO_EDICT(prog->globals.client->self);
514         if (ent == prog->edicts)
515         {
516                 VM_Warning("droptofloor: can not modify world entity\n");
517                 return;
518         }
519         if (ent->priv.server->free)
520         {
521                 VM_Warning("droptofloor: can not modify free entity\n");
522                 return;
523         }
524
525         VectorCopy (ent->fields.client->origin, end);
526         end[2] -= 256;
527
528         trace = CL_TraceBox(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->maxs, end, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
529
530         if (trace.fraction != 1)
531         {
532                 VectorCopy (trace.endpos, ent->fields.client->origin);
533                 ent->fields.client->flags = (int)ent->fields.client->flags | FL_ONGROUND;
534                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.groundentity)))
535                         val->edict = PRVM_EDICT_TO_PROG(trace.ent);
536                 PRVM_G_FLOAT(OFS_RETURN) = 1;
537                 // if support is destroyed, keep suspended (gross hack for floating items in various maps)
538 //              ent->priv.server->suspendedinairflag = true;
539         }
540 }
541
542 // #35 void(float style, string value) lightstyle
543 static void VM_CL_lightstyle (void)
544 {
545         int                     i;
546         const char      *c;
547
548         VM_SAFEPARMCOUNT(2, VM_CL_lightstyle);
549
550         i = (int)PRVM_G_FLOAT(OFS_PARM0);
551         c = PRVM_G_STRING(OFS_PARM1);
552         if (i >= cl.max_lightstyle)
553         {
554                 VM_Warning("VM_CL_lightstyle >= MAX_LIGHTSTYLES\n");
555                 return;
556         }
557         strlcpy (cl.lightstyle[i].map, c, sizeof (cl.lightstyle[i].map));
558         cl.lightstyle[i].map[MAX_STYLESTRING - 1] = 0;
559         cl.lightstyle[i].length = (int)strlen(cl.lightstyle[i].map);
560 }
561
562 // #40 float(entity e) checkbottom
563 static void VM_CL_checkbottom (void)
564 {
565         static int              cs_yes, cs_no;
566         prvm_edict_t    *ent;
567         vec3_t                  mins, maxs, start, stop;
568         trace_t                 trace;
569         int                             x, y;
570         float                   mid, bottom;
571
572         VM_SAFEPARMCOUNT(1, VM_CL_checkbottom);
573         ent = PRVM_G_EDICT(OFS_PARM0);
574         PRVM_G_FLOAT(OFS_RETURN) = 0;
575
576         VectorAdd (ent->fields.client->origin, ent->fields.client->mins, mins);
577         VectorAdd (ent->fields.client->origin, ent->fields.client->maxs, maxs);
578
579 // if all of the points under the corners are solid world, don't bother
580 // with the tougher checks
581 // the corners must be within 16 of the midpoint
582         start[2] = mins[2] - 1;
583         for     (x=0 ; x<=1 ; x++)
584                 for     (y=0 ; y<=1 ; y++)
585                 {
586                         start[0] = x ? maxs[0] : mins[0];
587                         start[1] = y ? maxs[1] : mins[1];
588                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
589                                 goto realcheck;
590                 }
591
592         cs_yes++;
593         PRVM_G_FLOAT(OFS_RETURN) = true;
594         return;         // we got out easy
595
596 realcheck:
597         cs_no++;
598 //
599 // check it for real...
600 //
601         start[2] = mins[2];
602
603 // the midpoint must be within 16 of the bottom
604         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
605         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
606         stop[2] = start[2] - 2*sv_stepheight.value;
607         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
608
609         if (trace.fraction == 1.0)
610                 return;
611
612         mid = bottom = trace.endpos[2];
613
614 // the corners must be within 16 of the midpoint
615         for     (x=0 ; x<=1 ; x++)
616                 for     (y=0 ; y<=1 ; y++)
617                 {
618                         start[0] = stop[0] = x ? maxs[0] : mins[0];
619                         start[1] = stop[1] = y ? maxs[1] : mins[1];
620
621                         trace = CL_TraceLine(start, stop, MOVE_NORMAL, ent, CL_GenericHitSuperContentsMask(ent), true, true, NULL, true);
622
623                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
624                                 bottom = trace.endpos[2];
625                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
626                                 return;
627                 }
628
629         cs_yes++;
630         PRVM_G_FLOAT(OFS_RETURN) = true;
631 }
632
633 // #41 float(vector v) pointcontents
634 static void VM_CL_pointcontents (void)
635 {
636         VM_SAFEPARMCOUNT(1, VM_CL_pointcontents);
637         PRVM_G_FLOAT(OFS_RETURN) = Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CL_PointSuperContents(PRVM_G_VECTOR(OFS_PARM0)));
638 }
639
640 // #48 void(vector o, vector d, float color, float count) particle
641 static void VM_CL_particle (void)
642 {
643         float   *org, *dir;
644         int             count;
645         unsigned char   color;
646         VM_SAFEPARMCOUNT(4, VM_CL_particle);
647
648         org = PRVM_G_VECTOR(OFS_PARM0);
649         dir = PRVM_G_VECTOR(OFS_PARM1);
650         color = (int)PRVM_G_FLOAT(OFS_PARM2);
651         count = (int)PRVM_G_FLOAT(OFS_PARM3);
652         CL_ParticleEffect(EFFECT_SVC_PARTICLE, count, org, org, dir, dir, NULL, color);
653 }
654
655 // #74 void(vector pos, string samp, float vol, float atten) ambientsound
656 static void VM_CL_ambientsound (void)
657 {
658         float   *f;
659         sfx_t   *s;
660         VM_SAFEPARMCOUNT(4, VM_CL_ambientsound);
661         s = S_FindName(PRVM_G_STRING(OFS_PARM0));
662         f = PRVM_G_VECTOR(OFS_PARM1);
663         S_StaticSound (s, f, PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM3)*64);
664 }
665
666 // #92 vector(vector org) getlight (DP_QC_GETLIGHT)
667 static void VM_CL_getlight (void)
668 {
669         vec3_t ambientcolor, diffusecolor, diffusenormal;
670         vec_t *p;
671
672         VM_SAFEPARMCOUNT(1, VM_CL_getlight);
673
674         p = PRVM_G_VECTOR(OFS_PARM0);
675         VectorClear(ambientcolor);
676         VectorClear(diffusecolor);
677         VectorClear(diffusenormal);
678         if (cl.worldmodel && cl.worldmodel->brush.LightPoint)
679                 cl.worldmodel->brush.LightPoint(cl.worldmodel, p, ambientcolor, diffusecolor, diffusenormal);
680         VectorMA(ambientcolor, 0.5, diffusecolor, PRVM_G_VECTOR(OFS_RETURN));
681 }
682
683
684 //============================================================================
685 //[515]: SCENE MANAGER builtins
686 extern qboolean CSQC_AddRenderEdict (prvm_edict_t *ed, int edictnum);//csprogs.c
687
688 static void CSQC_R_RecalcView (void)
689 {
690         extern matrix4x4_t viewmodelmatrix;
691         Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, cl.csqc_origin[0], cl.csqc_origin[1], cl.csqc_origin[2], cl.csqc_angles[0], cl.csqc_angles[1], cl.csqc_angles[2], 1);
692         Matrix4x4_CreateFromQuakeEntity(&viewmodelmatrix, cl.csqc_origin[0], cl.csqc_origin[1], cl.csqc_origin[2], cl.csqc_angles[0], cl.csqc_angles[1], cl.csqc_angles[2], cl_viewmodel_scale.value);
693 }
694
695 void CL_RelinkLightFlashes(void);
696 //#300 void() clearscene (EXT_CSQC)
697 void VM_CL_R_ClearScene (void)
698 {
699         VM_SAFEPARMCOUNT(0, VM_CL_R_ClearScene);
700         // clear renderable entity and light lists
701         r_refdef.scene.numentities = 0;
702         r_refdef.scene.numlights = 0;
703         // FIXME: restore these to the values from VM_CL_UpdateView
704         r_refdef.view.x = 0;
705         r_refdef.view.y = 0;
706         r_refdef.view.z = 0;
707         r_refdef.view.width = vid.width;
708         r_refdef.view.height = vid.height;
709         r_refdef.view.depth = 1;
710         // FIXME: restore frustum_x/frustum_y
711         r_refdef.view.useperspective = true;
712         r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
713         r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
714         r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
715         r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
716         r_refdef.view.ortho_x = scr_fov.value * (3.0 / 4.0) * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
717         r_refdef.view.ortho_y = scr_fov.value * (3.0 / 4.0);
718         r_refdef.view.clear = true;
719         r_refdef.view.isoverlay = false;
720         // FIXME: restore cl.csqc_origin
721         // FIXME: restore cl.csqc_angles
722         cl.csqc_vidvars.drawworld = true;
723         cl.csqc_vidvars.drawenginesbar = false;
724         cl.csqc_vidvars.drawcrosshair = false;
725 }
726
727 //#301 void(float mask) addentities (EXT_CSQC)
728 extern void CSQC_Predraw (prvm_edict_t *ed);//csprogs.c
729 extern void CSQC_Think (prvm_edict_t *ed);//csprogs.c
730 void VM_CL_R_AddEntities (void)
731 {
732         double t = Sys_DoubleTime();
733         int                     i, drawmask;
734         prvm_edict_t *ed;
735         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntities);
736         drawmask = (int)PRVM_G_FLOAT(OFS_PARM0);
737         CSQC_RelinkAllEntities(drawmask);
738         CL_RelinkLightFlashes();
739
740         prog->globals.client->time = cl.time;
741         for(i=1;i<prog->num_edicts;i++)
742         {
743                 ed = &prog->edicts[i];
744                 if(ed->priv.required->free)
745                         continue;
746                 CSQC_Think(ed);
747                 if(ed->priv.required->free)
748                         continue;
749                 // note that for RF_USEAXIS entities, Predraw sets v_forward/v_right/v_up globals that are read by CSQC_AddRenderEdict
750                 CSQC_Predraw(ed);
751                 if(ed->priv.required->free)
752                         continue;
753                 if(!((int)ed->fields.client->drawmask & drawmask))
754                         continue;
755                 CSQC_AddRenderEdict(ed, i);
756         }
757
758         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
759         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
760 }
761
762 //#302 void(entity ent) addentity (EXT_CSQC)
763 void VM_CL_R_AddEntity (void)
764 {
765         double t = Sys_DoubleTime();
766         VM_SAFEPARMCOUNT(1, VM_CL_R_AddEntity);
767         CSQC_AddRenderEdict(PRVM_G_EDICT(OFS_PARM0), 0);
768         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
769 }
770
771 //#303 float(float property, ...) setproperty (EXT_CSQC)
772 void VM_CL_R_SetView (void)
773 {
774         int             c;
775         float   *f;
776         float   k;
777
778         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_R_SetView);
779
780         c = (int)PRVM_G_FLOAT(OFS_PARM0);
781         f = PRVM_G_VECTOR(OFS_PARM1);
782         k = PRVM_G_FLOAT(OFS_PARM1);
783
784         switch(c)
785         {
786         case VF_MIN:
787                 r_refdef.view.x = (int)(f[0]);
788                 r_refdef.view.y = (int)(f[1]);
789                 break;
790         case VF_MIN_X:
791                 r_refdef.view.x = (int)(k);
792                 break;
793         case VF_MIN_Y:
794                 r_refdef.view.y = (int)(k);
795                 break;
796         case VF_SIZE:
797                 r_refdef.view.width = (int)(f[0]);
798                 r_refdef.view.height = (int)(f[1]);
799                 break;
800         case VF_SIZE_X:
801                 r_refdef.view.width = (int)(k);
802                 break;
803         case VF_SIZE_Y:
804                 r_refdef.view.height = (int)(k);
805                 break;
806         case VF_VIEWPORT:
807                 r_refdef.view.x = (int)(f[0]);
808                 r_refdef.view.y = (int)(f[1]);
809                 f = PRVM_G_VECTOR(OFS_PARM2);
810                 r_refdef.view.width = (int)(f[0]);
811                 r_refdef.view.height = (int)(f[1]);
812                 break;
813         case VF_FOV:
814                 r_refdef.view.frustum_x = tan(f[0] * M_PI / 360.0);r_refdef.view.ortho_x = f[0];
815                 r_refdef.view.frustum_y = tan(f[1] * M_PI / 360.0);r_refdef.view.ortho_y = f[1];
816                 break;
817         case VF_FOVX:
818                 r_refdef.view.frustum_x = tan(k * M_PI / 360.0);r_refdef.view.ortho_x = k;
819                 break;
820         case VF_FOVY:
821                 r_refdef.view.frustum_y = tan(k * M_PI / 360.0);r_refdef.view.ortho_y = k;
822                 break;
823         case VF_ORIGIN:
824                 VectorCopy(f, cl.csqc_origin);
825                 CSQC_R_RecalcView();
826                 break;
827         case VF_ORIGIN_X:
828                 cl.csqc_origin[0] = k;
829                 CSQC_R_RecalcView();
830                 break;
831         case VF_ORIGIN_Y:
832                 cl.csqc_origin[1] = k;
833                 CSQC_R_RecalcView();
834                 break;
835         case VF_ORIGIN_Z:
836                 cl.csqc_origin[2] = k;
837                 CSQC_R_RecalcView();
838                 break;
839         case VF_ANGLES:
840                 VectorCopy(f, cl.csqc_angles);
841                 CSQC_R_RecalcView();
842                 break;
843         case VF_ANGLES_X:
844                 cl.csqc_angles[0] = k;
845                 CSQC_R_RecalcView();
846                 break;
847         case VF_ANGLES_Y:
848                 cl.csqc_angles[1] = k;
849                 CSQC_R_RecalcView();
850                 break;
851         case VF_ANGLES_Z:
852                 cl.csqc_angles[2] = k;
853                 CSQC_R_RecalcView();
854                 break;
855         case VF_DRAWWORLD:
856                 cl.csqc_vidvars.drawworld = k != 0;
857                 break;
858         case VF_DRAWENGINESBAR:
859                 cl.csqc_vidvars.drawenginesbar = k != 0;
860                 break;
861         case VF_DRAWCROSSHAIR:
862                 cl.csqc_vidvars.drawcrosshair = k != 0;
863                 break;
864         case VF_CL_VIEWANGLES:
865                 VectorCopy(f, cl.viewangles);
866                 break;
867         case VF_CL_VIEWANGLES_X:
868                 cl.viewangles[0] = k;
869                 break;
870         case VF_CL_VIEWANGLES_Y:
871                 cl.viewangles[1] = k;
872                 break;
873         case VF_CL_VIEWANGLES_Z:
874                 cl.viewangles[2] = k;
875                 break;
876         case VF_PERSPECTIVE:
877                 r_refdef.view.useperspective = k != 0;
878                 break;
879         case VF_CLEARSCREEN:
880                 r_refdef.view.isoverlay = !k;
881                 break;
882         default:
883                 PRVM_G_FLOAT(OFS_RETURN) = 0;
884                 VM_Warning("VM_CL_R_SetView : unknown parm %i\n", c);
885                 return;
886         }
887         PRVM_G_FLOAT(OFS_RETURN) = 1;
888 }
889
890 //#305 void(vector org, float radius, vector lightcolours[, float style, string cubemapname, float pflags]) adddynamiclight (EXT_CSQC)
891 void VM_CL_R_AddDynamicLight (void)
892 {
893         double t = Sys_DoubleTime();
894         vec_t *org;
895         float radius = 300;
896         vec_t *col;
897         int style = -1;
898         const char *cubemapname = NULL;
899         int pflags = PFLAGS_CORONA | PFLAGS_FULLDYNAMIC;
900         float coronaintensity = 1;
901         float coronasizescale = 0.25;
902         qboolean castshadow = true;
903         float ambientscale = 0;
904         float diffusescale = 1;
905         float specularscale = 1;
906         matrix4x4_t matrix;
907         vec3_t forward, left, up;
908         VM_SAFEPARMCOUNTRANGE(3, 8, VM_CL_R_AddDynamicLight);
909
910         // if we've run out of dlights, just return
911         if (r_refdef.scene.numlights >= MAX_DLIGHTS)
912                 return;
913
914         org = PRVM_G_VECTOR(OFS_PARM0);
915         radius = PRVM_G_FLOAT(OFS_PARM1);
916         col = PRVM_G_VECTOR(OFS_PARM2);
917         if (prog->argc >= 4)
918         {
919                 style = (int)PRVM_G_FLOAT(OFS_PARM3);
920                 if (style >= MAX_LIGHTSTYLES)
921                 {
922                         Con_DPrintf("VM_CL_R_AddDynamicLight: out of bounds lightstyle index %i\n", style);
923                         style = -1;
924                 }
925         }
926         if (prog->argc >= 5)
927                 cubemapname = PRVM_G_STRING(OFS_PARM4);
928         if (prog->argc >= 6)
929                 pflags = (int)PRVM_G_FLOAT(OFS_PARM5);
930         coronaintensity = (pflags & PFLAGS_CORONA) != 0;
931         castshadow = (pflags & PFLAGS_NOSHADOW) == 0;
932
933         VectorScale(prog->globals.client->v_forward, radius, forward);
934         VectorScale(prog->globals.client->v_right, -radius, left);
935         VectorScale(prog->globals.client->v_up, radius, up);
936         Matrix4x4_FromVectors(&matrix, forward, left, up, org);
937
938         R_RTLight_Update(&r_refdef.scene.templights[r_refdef.scene.numlights], false, &matrix, col, style, cubemapname, castshadow, coronaintensity, coronasizescale, ambientscale, diffusescale, specularscale, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
939         r_refdef.scene.lights[r_refdef.scene.numlights] = &r_refdef.scene.templights[r_refdef.scene.numlights];r_refdef.scene.numlights++;
940         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
941 }
942
943 //============================================================================
944
945 //#310 vector (vector v) cs_unproject (EXT_CSQC)
946 static void VM_CL_unproject (void)
947 {
948         float   *f;
949         vec3_t  temp;
950
951         VM_SAFEPARMCOUNT(1, VM_CL_unproject);
952         f = PRVM_G_VECTOR(OFS_PARM0);
953         if(v_flipped.integer)
954                 f[0] = (2 * r_refdef.view.x + r_refdef.view.width) * (vid_conwidth.integer / (float) vid.width) - f[0];
955         VectorSet(temp,
956                 f[2],
957                 (-1.0 + 2.0 * (f[0] / (vid_conwidth.integer / (float) vid.width) - r_refdef.view.x) / r_refdef.view.width) * f[2] * -r_refdef.view.frustum_x,
958                 (-1.0 + 2.0 * (f[1] / (vid_conheight.integer / (float) vid.height) - r_refdef.view.y) / r_refdef.view.height) * f[2] * -r_refdef.view.frustum_y);
959         Matrix4x4_Transform(&r_refdef.view.matrix, temp, PRVM_G_VECTOR(OFS_RETURN));
960 }
961
962 //#311 vector (vector v) cs_project (EXT_CSQC)
963 static void VM_CL_project (void)
964 {
965         float   *f;
966         vec3_t  v;
967         matrix4x4_t m;
968
969         VM_SAFEPARMCOUNT(1, VM_CL_project);
970         f = PRVM_G_VECTOR(OFS_PARM0);
971         Matrix4x4_Invert_Simple(&m, &r_refdef.view.matrix);
972         Matrix4x4_Transform(&m, f, v);
973         if(v_flipped.integer)
974                 v[1] = -v[1];
975         VectorSet(PRVM_G_VECTOR(OFS_RETURN),
976                 (vid_conwidth.integer / (float) vid.width) * (r_refdef.view.x + r_refdef.view.width*0.5*(1.0+v[1]/v[0]/-r_refdef.view.frustum_x)),
977                 (vid_conheight.integer / (float) vid.height) * (r_refdef.view.y + r_refdef.view.height*0.5*(1.0+v[2]/v[0]/-r_refdef.view.frustum_y)),
978                 v[0]);
979 }
980
981 //#330 float(float stnum) getstatf (EXT_CSQC)
982 static void VM_CL_getstatf (void)
983 {
984         int i;
985         union
986         {
987                 float f;
988                 int l;
989         }dat;
990         VM_SAFEPARMCOUNT(1, VM_CL_getstatf);
991         i = (int)PRVM_G_FLOAT(OFS_PARM0);
992         if(i < 0 || i >= MAX_CL_STATS)
993         {
994                 VM_Warning("VM_CL_getstatf: index>=MAX_CL_STATS or index<0\n");
995                 return;
996         }
997         dat.l = cl.stats[i];
998         PRVM_G_FLOAT(OFS_RETURN) =  dat.f;
999 }
1000
1001 //#331 float(float stnum) getstati (EXT_CSQC)
1002 static void VM_CL_getstati (void)
1003 {
1004         int i, index;
1005         int firstbit, bitcount;
1006
1007         VM_SAFEPARMCOUNTRANGE(1, 3, VM_CL_getstati);
1008
1009         index = (int)PRVM_G_FLOAT(OFS_PARM0);
1010         if (prog->argc > 1)
1011         {
1012                 firstbit = (int)PRVM_G_FLOAT(OFS_PARM1);
1013                 if (prog->argc > 2)
1014                         bitcount = (int)PRVM_G_FLOAT(OFS_PARM2);
1015                 else
1016                         bitcount = 1;
1017         }
1018         else
1019         {
1020                 firstbit = 0;
1021                 bitcount = 32;
1022         }
1023
1024         if(index < 0 || index >= MAX_CL_STATS)
1025         {
1026                 VM_Warning("VM_CL_getstati: index>=MAX_CL_STATS or index<0\n");
1027                 return;
1028         }
1029         i = cl.stats[index];
1030         if (bitcount != 32)     //32 causes the mask to overflow, so there's nothing to subtract from.
1031                 i = (((unsigned int)i)&(((1<<bitcount)-1)<<firstbit))>>firstbit;
1032         PRVM_G_FLOAT(OFS_RETURN) = i;
1033 }
1034
1035 //#332 string(float firststnum) getstats (EXT_CSQC)
1036 static void VM_CL_getstats (void)
1037 {
1038         int i;
1039         char t[17];
1040         VM_SAFEPARMCOUNT(1, VM_CL_getstats);
1041         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1042         if(i < 0 || i > MAX_CL_STATS-4)
1043         {
1044                 PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1045                 VM_Warning("VM_CL_getstats: index>MAX_CL_STATS-4 or index<0\n");
1046                 return;
1047         }
1048         strlcpy(t, (char*)&cl.stats[i], sizeof(t));
1049         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
1050 }
1051
1052 //#333 void(entity e, float mdlindex) setmodelindex (EXT_CSQC)
1053 static void VM_CL_setmodelindex (void)
1054 {
1055         int                             i;
1056         prvm_edict_t    *t;
1057         struct model_s  *model;
1058
1059         VM_SAFEPARMCOUNT(2, VM_CL_setmodelindex);
1060
1061         t = PRVM_G_EDICT(OFS_PARM0);
1062
1063         i = (int)PRVM_G_FLOAT(OFS_PARM1);
1064
1065         t->fields.client->model = 0;
1066         t->fields.client->modelindex = 0;
1067
1068         if (!i)
1069                 return;
1070
1071         model = CL_GetModelByIndex(i);
1072         if (!model)
1073         {
1074                 VM_Warning("VM_CL_setmodelindex: null model\n");
1075                 return;
1076         }
1077         t->fields.client->model = PRVM_SetEngineString(model->name);
1078         t->fields.client->modelindex = i;
1079
1080         // TODO: check if this breaks needed consistency and maybe add a cvar for it too?? [1/10/2008 Black]
1081         if (model)
1082         {
1083                 SetMinMaxSize (t, model->normalmins, model->normalmaxs);
1084         }
1085         else
1086                 SetMinMaxSize (t, vec3_origin, vec3_origin);
1087 }
1088
1089 //#334 string(float mdlindex) modelnameforindex (EXT_CSQC)
1090 static void VM_CL_modelnameforindex (void)
1091 {
1092         dp_model_t *model;
1093
1094         VM_SAFEPARMCOUNT(1, VM_CL_modelnameforindex);
1095
1096         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1097         model = CL_GetModelByIndex((int)PRVM_G_FLOAT(OFS_PARM0));
1098         PRVM_G_INT(OFS_RETURN) = model ? PRVM_SetEngineString(model->name) : 0;
1099 }
1100
1101 //#335 float(string effectname) particleeffectnum (EXT_CSQC)
1102 static void VM_CL_particleeffectnum (void)
1103 {
1104         int                     i;
1105         VM_SAFEPARMCOUNT(1, VM_CL_particleeffectnum);
1106         i = CL_ParticleEffectIndexForName(PRVM_G_STRING(OFS_PARM0));
1107         if (i == 0)
1108                 i = -1;
1109         PRVM_G_FLOAT(OFS_RETURN) = i;
1110 }
1111
1112 // #336 void(entity ent, float effectnum, vector start, vector end[, float color]) trailparticles (EXT_CSQC)
1113 static void VM_CL_trailparticles (void)
1114 {
1115         int                             i;
1116         float                   *start, *end;
1117         prvm_edict_t    *t;
1118         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_trailparticles);
1119
1120         t = PRVM_G_EDICT(OFS_PARM0);
1121         i               = (int)PRVM_G_FLOAT(OFS_PARM1);
1122         start   = PRVM_G_VECTOR(OFS_PARM2);
1123         end             = PRVM_G_VECTOR(OFS_PARM3);
1124
1125         if (i < 0)
1126                 return;
1127         CL_ParticleEffect(i, VectorDistance(start, end), start, end, t->fields.client->velocity, t->fields.client->velocity, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1128 }
1129
1130 //#337 void(float effectnum, vector origin, vector dir, float count[, float color]) pointparticles (EXT_CSQC)
1131 static void VM_CL_pointparticles (void)
1132 {
1133         int                     i, n;
1134         float           *f, *v;
1135         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_pointparticles);
1136         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1137         f = PRVM_G_VECTOR(OFS_PARM1);
1138         v = PRVM_G_VECTOR(OFS_PARM2);
1139         n = (int)PRVM_G_FLOAT(OFS_PARM3);
1140         if (i < 0)
1141                 return;
1142         CL_ParticleEffect(i, n, f, f, v, v, NULL, prog->argc >= 5 ? (int)PRVM_G_FLOAT(OFS_PARM4) : 0);
1143 }
1144
1145 //#342 string(float keynum) getkeybind (EXT_CSQC)
1146 static void VM_CL_getkeybind (void)
1147 {
1148         VM_SAFEPARMCOUNT(1, VM_CL_getkeybind);
1149         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(Key_GetBind((int)PRVM_G_FLOAT(OFS_PARM0)));
1150 }
1151
1152 //#343 void(float usecursor) setcursormode (EXT_CSQC)
1153 static void VM_CL_setcursormode (void)
1154 {
1155         VM_SAFEPARMCOUNT(1, VM_CL_setcursormode);
1156         cl.csqc_wantsmousemove = PRVM_G_FLOAT(OFS_PARM0) != 0;
1157         cl_ignoremousemoves = 2;
1158 }
1159
1160 //#344 vector() getmousepos (EXT_CSQC)
1161 static void VM_CL_getmousepos(void)
1162 {
1163         VM_SAFEPARMCOUNT(0,VM_CL_getmousepos);
1164
1165         if (key_consoleactive || key_dest != key_game)
1166                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), 0, 0, 0);
1167         else if (cl.csqc_wantsmousemove)
1168                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_windowmouse_x * vid_conwidth.integer / vid.width, in_windowmouse_y * vid_conheight.integer / vid.height, 0);
1169         else
1170                 VectorSet(PRVM_G_VECTOR(OFS_RETURN), in_mouse_x * vid_conwidth.integer / vid.width, in_mouse_y * vid_conheight.integer / vid.height, 0);
1171 }
1172
1173 //#345 float(float framenum) getinputstate (EXT_CSQC)
1174 static void VM_CL_getinputstate (void)
1175 {
1176         int i, frame;
1177         VM_SAFEPARMCOUNT(1, VM_CL_getinputstate);
1178         frame = (int)PRVM_G_FLOAT(OFS_PARM0);
1179         PRVM_G_FLOAT(OFS_RETURN) = false;
1180         for (i = 0;i < CL_MAX_USERCMDS;i++)
1181         {
1182                 if (cl.movecmd[i].sequence == frame)
1183                 {
1184                         VectorCopy(cl.movecmd[i].viewangles, prog->globals.client->input_angles);
1185                         prog->globals.client->input_buttons = cl.movecmd[i].buttons; // FIXME: this should not be directly exposed to csqc (translation layer needed?)
1186                         prog->globals.client->input_movevalues[0] = cl.movecmd[i].forwardmove;
1187                         prog->globals.client->input_movevalues[1] = cl.movecmd[i].sidemove;
1188                         prog->globals.client->input_movevalues[2] = cl.movecmd[i].upmove;
1189                         prog->globals.client->input_timelength = cl.movecmd[i].frametime;
1190                         if(cl.movecmd[i].crouch)
1191                         {
1192                                 VectorCopy(cl.playercrouchmins, prog->globals.client->pmove_mins);
1193                                 VectorCopy(cl.playercrouchmaxs, prog->globals.client->pmove_maxs);
1194                         }
1195                         else
1196                         {
1197                                 VectorCopy(cl.playerstandmins, prog->globals.client->pmove_mins);
1198                                 VectorCopy(cl.playerstandmaxs, prog->globals.client->pmove_maxs);
1199                         }
1200                         PRVM_G_FLOAT(OFS_RETURN) = true;
1201                 }
1202         }
1203 }
1204
1205 //#346 void(float sens) setsensitivityscaler (EXT_CSQC)
1206 static void VM_CL_setsensitivityscale (void)
1207 {
1208         VM_SAFEPARMCOUNT(1, VM_CL_setsensitivityscale);
1209         cl.sensitivityscale = PRVM_G_FLOAT(OFS_PARM0);
1210 }
1211
1212 //#347 void() runstandardplayerphysics (EXT_CSQC)
1213 static void VM_CL_runplayerphysics (void)
1214 {
1215 }
1216
1217 //#348 string(float playernum, string keyname) getplayerkeyvalue (EXT_CSQC)
1218 static void VM_CL_getplayerkey (void)
1219 {
1220         int                     i;
1221         char            t[128];
1222         const char      *c;
1223
1224         VM_SAFEPARMCOUNT(2, VM_CL_getplayerkey);
1225
1226         i = (int)PRVM_G_FLOAT(OFS_PARM0);
1227         c = PRVM_G_STRING(OFS_PARM1);
1228         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
1229         Sbar_SortFrags();
1230
1231         if (i < 0)
1232                 i = Sbar_GetSortedPlayerIndex(-1-i);
1233         if(i < 0 || i >= cl.maxclients)
1234                 return;
1235
1236         t[0] = 0;
1237
1238         if(!strcasecmp(c, "name"))
1239                 strlcpy(t, cl.scores[i].name, sizeof(t));
1240         else
1241                 if(!strcasecmp(c, "frags"))
1242                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].frags);
1243         else
1244                 if(!strcasecmp(c, "ping"))
1245                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_ping);
1246         else
1247                 if(!strcasecmp(c, "pl"))
1248                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_packetloss);
1249         else
1250                 if(!strcasecmp(c, "movementloss"))
1251                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].qw_movementloss);
1252         else
1253                 if(!strcasecmp(c, "entertime"))
1254                         dpsnprintf(t, sizeof(t), "%f", cl.scores[i].qw_entertime);
1255         else
1256                 if(!strcasecmp(c, "colors"))
1257                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors);
1258         else
1259                 if(!strcasecmp(c, "topcolor"))
1260                         dpsnprintf(t, sizeof(t), "%i", cl.scores[i].colors & 0xf0);
1261         else
1262                 if(!strcasecmp(c, "bottomcolor"))
1263                         dpsnprintf(t, sizeof(t), "%i", (cl.scores[i].colors &15)<<4);
1264         else
1265                 if(!strcasecmp(c, "viewentity"))
1266                         dpsnprintf(t, sizeof(t), "%i", i+1);
1267         if(!t[0])
1268                 return;
1269         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(t);
1270 }
1271
1272 //#349 float() isdemo (EXT_CSQC)
1273 static void VM_CL_isdemo (void)
1274 {
1275         VM_SAFEPARMCOUNT(0, VM_CL_isdemo);
1276         PRVM_G_FLOAT(OFS_RETURN) = cls.demoplayback;
1277 }
1278
1279 //#351 void(vector origin, vector forward, vector right, vector up) SetListener (EXT_CSQC)
1280 static void VM_CL_setlistener (void)
1281 {
1282         VM_SAFEPARMCOUNT(4, VM_CL_setlistener);
1283         Matrix4x4_FromVectors(&cl.csqc_listenermatrix, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), PRVM_G_VECTOR(OFS_PARM3), PRVM_G_VECTOR(OFS_PARM0));
1284         cl.csqc_usecsqclistener = true; //use csqc listener at this frame
1285 }
1286
1287 //#352 void(string cmdname) registercommand (EXT_CSQC)
1288 static void VM_CL_registercmd (void)
1289 {
1290         char *t;
1291         VM_SAFEPARMCOUNT(1, VM_CL_registercmd);
1292         if(!Cmd_Exists(PRVM_G_STRING(OFS_PARM0)))
1293         {
1294                 size_t alloclen;
1295
1296                 alloclen = strlen(PRVM_G_STRING(OFS_PARM0)) + 1;
1297                 t = (char *)Z_Malloc(alloclen);
1298                 memcpy(t, PRVM_G_STRING(OFS_PARM0), alloclen);
1299                 Cmd_AddCommand(t, NULL, "console command created by QuakeC");
1300         }
1301         else
1302                 Cmd_AddCommand(PRVM_G_STRING(OFS_PARM0), NULL, "console command created by QuakeC");
1303
1304 }
1305
1306 //#360 float() readbyte (EXT_CSQC)
1307 static void VM_CL_ReadByte (void)
1308 {
1309         VM_SAFEPARMCOUNT(0, VM_CL_ReadByte);
1310         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadByte();
1311 }
1312
1313 //#361 float() readchar (EXT_CSQC)
1314 static void VM_CL_ReadChar (void)
1315 {
1316         VM_SAFEPARMCOUNT(0, VM_CL_ReadChar);
1317         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadChar();
1318 }
1319
1320 //#362 float() readshort (EXT_CSQC)
1321 static void VM_CL_ReadShort (void)
1322 {
1323         VM_SAFEPARMCOUNT(0, VM_CL_ReadShort);
1324         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadShort();
1325 }
1326
1327 //#363 float() readlong (EXT_CSQC)
1328 static void VM_CL_ReadLong (void)
1329 {
1330         VM_SAFEPARMCOUNT(0, VM_CL_ReadLong);
1331         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadLong();
1332 }
1333
1334 //#364 float() readcoord (EXT_CSQC)
1335 static void VM_CL_ReadCoord (void)
1336 {
1337         VM_SAFEPARMCOUNT(0, VM_CL_ReadCoord);
1338         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadCoord(cls.protocol);
1339 }
1340
1341 //#365 float() readangle (EXT_CSQC)
1342 static void VM_CL_ReadAngle (void)
1343 {
1344         VM_SAFEPARMCOUNT(0, VM_CL_ReadAngle);
1345         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadAngle(cls.protocol);
1346 }
1347
1348 //#366 string() readstring (EXT_CSQC)
1349 static void VM_CL_ReadString (void)
1350 {
1351         VM_SAFEPARMCOUNT(0, VM_CL_ReadString);
1352         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(MSG_ReadString());
1353 }
1354
1355 //#367 float() readfloat (EXT_CSQC)
1356 static void VM_CL_ReadFloat (void)
1357 {
1358         VM_SAFEPARMCOUNT(0, VM_CL_ReadFloat);
1359         PRVM_G_FLOAT(OFS_RETURN) = MSG_ReadFloat();
1360 }
1361
1362 //#501 string() readpicture (DP_CSQC_READWRITEPICTURE)
1363 extern cvar_t cl_readpicture_force;
1364 static void VM_CL_ReadPicture (void)
1365 {
1366         const char *name;
1367         unsigned char *data;
1368         unsigned char *buf;
1369         int size;
1370         int i;
1371         cachepic_t *pic;
1372
1373         VM_SAFEPARMCOUNT(0, VM_CL_ReadPicture);
1374
1375         name = MSG_ReadString();
1376         size = MSG_ReadShort();
1377
1378         // check if a texture of that name exists
1379         // if yes, it is used and the data is discarded
1380         // if not, the (low quality) data is used to build a new texture, whose name will get returned
1381
1382         pic = Draw_CachePic_Flags (name, CACHEPICFLAG_NOTPERSISTENT);
1383
1384         if(size)
1385         {
1386                 if(pic->tex == r_texture_notexture)
1387                         pic->tex = NULL; // don't overwrite the notexture by Draw_NewPic
1388                 if(pic->tex && !cl_readpicture_force.integer)
1389                 {
1390                         // texture found and loaded
1391                         // skip over the jpeg as we don't need it
1392                         for(i = 0; i < size; ++i)
1393                                 MSG_ReadByte();
1394                 }
1395                 else
1396                 {
1397                         // texture not found
1398                         // use the attached jpeg as texture
1399                         buf = (unsigned char *) Mem_Alloc(tempmempool, size);
1400                         MSG_ReadBytes(size, buf);
1401                         data = JPEG_LoadImage_BGRA(buf, size);
1402                         Mem_Free(buf);
1403                         Draw_NewPic(name, image_width, image_height, false, data);
1404                         Mem_Free(data);
1405                 }
1406         }
1407
1408         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(name);
1409 }
1410
1411 //////////////////////////////////////////////////////////
1412
1413 static void VM_CL_makestatic (void)
1414 {
1415         prvm_edict_t *ent;
1416
1417         VM_SAFEPARMCOUNT(1, VM_CL_makestatic);
1418
1419         ent = PRVM_G_EDICT(OFS_PARM0);
1420         if (ent == prog->edicts)
1421         {
1422                 VM_Warning("makestatic: can not modify world entity\n");
1423                 return;
1424         }
1425         if (ent->priv.server->free)
1426         {
1427                 VM_Warning("makestatic: can not modify free entity\n");
1428                 return;
1429         }
1430
1431         if (cl.num_static_entities < cl.max_static_entities)
1432         {
1433                 int renderflags;
1434                 prvm_eval_t *val;
1435                 entity_t *staticent = &cl.static_entities[cl.num_static_entities++];
1436
1437                 // copy it to the current state
1438                 memset(staticent, 0, sizeof(*staticent));
1439                 staticent->render.model = CL_GetModelByIndex((int)ent->fields.client->modelindex);
1440                 staticent->render.framegroupblend[0].frame = (int)ent->fields.client->frame;
1441                 staticent->render.framegroupblend[0].lerp = 1;
1442                 // make torchs play out of sync
1443                 staticent->render.framegroupblend[0].start = lhrandom(-10, -1);
1444                 staticent->render.skinnum = (int)ent->fields.client->skin;
1445                 staticent->render.effects = (int)ent->fields.client->effects;
1446                 staticent->render.alpha = 1;
1447                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)) && val->_float) staticent->render.alpha = val->_float;
1448                 staticent->render.scale = 1;
1449                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)) && val->_float) staticent->render.scale = val->_float;
1450                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod)) && VectorLength2(val->vector)) VectorCopy(val->vector, staticent->render.colormod);
1451                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glowmod)) && VectorLength2(val->vector)) VectorCopy(val->vector, staticent->render.glowmod);
1452                 if (!VectorLength2(staticent->render.colormod))
1453                         VectorSet(staticent->render.colormod, 1, 1, 1);
1454                 if (!VectorLength2(staticent->render.glowmod))
1455                         VectorSet(staticent->render.glowmod, 1, 1, 1);
1456
1457                 renderflags = 0;
1458                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderflags)) && val->_float) renderflags = (int)val->_float;
1459                 if (renderflags & RF_USEAXIS)
1460                 {
1461                         vec3_t left;
1462                         VectorNegate(prog->globals.client->v_right, left);
1463                         Matrix4x4_FromVectors(&staticent->render.matrix, prog->globals.client->v_forward, left, prog->globals.client->v_up, ent->fields.client->origin);
1464                         Matrix4x4_Scale(&staticent->render.matrix, staticent->render.scale, 1);
1465                 }
1466                 else
1467                         Matrix4x4_CreateFromQuakeEntity(&staticent->render.matrix, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2], ent->fields.client->angles[0], ent->fields.client->angles[1], ent->fields.client->angles[2], staticent->render.scale);
1468
1469                 // either fullbright or lit
1470                 if(!r_fullbright.integer)
1471                 {
1472                         if (!(staticent->render.effects & EF_FULLBRIGHT))
1473                                 staticent->render.flags |= RENDER_LIGHT;
1474                         else if(r_equalize_entities_fullbright.integer)
1475                                 staticent->render.flags |= RENDER_LIGHT | RENDER_EQUALIZE;
1476                 }
1477                 // turn off shadows from transparent objects
1478                 if (!(staticent->render.effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST)) && (staticent->render.alpha >= 1))
1479                         staticent->render.flags |= RENDER_SHADOW;
1480                 if (staticent->render.effects & EF_NODEPTHTEST)
1481                         staticent->render.flags |= RENDER_NODEPTHTEST;
1482                 if (staticent->render.effects & EF_ADDITIVE)
1483                         staticent->render.flags |= RENDER_ADDITIVE;
1484                 if (staticent->render.effects & EF_DOUBLESIDED)
1485                         staticent->render.flags |= RENDER_DOUBLESIDED;
1486
1487                 staticent->render.allowdecals = true;
1488                 CL_UpdateRenderEntity(&staticent->render);
1489         }
1490         else
1491                 Con_Printf("Too many static entities");
1492
1493 // throw the entity away now
1494         PRVM_ED_Free (ent);
1495 }
1496
1497 //=================================================================//
1498
1499 /*
1500 =================
1501 VM_CL_copyentity
1502
1503 copies data from one entity to another
1504
1505 copyentity(src, dst)
1506 =================
1507 */
1508 static void VM_CL_copyentity (void)
1509 {
1510         prvm_edict_t *in, *out;
1511         VM_SAFEPARMCOUNT(2, VM_CL_copyentity);
1512         in = PRVM_G_EDICT(OFS_PARM0);
1513         if (in == prog->edicts)
1514         {
1515                 VM_Warning("copyentity: can not read world entity\n");
1516                 return;
1517         }
1518         if (in->priv.server->free)
1519         {
1520                 VM_Warning("copyentity: can not read free entity\n");
1521                 return;
1522         }
1523         out = PRVM_G_EDICT(OFS_PARM1);
1524         if (out == prog->edicts)
1525         {
1526                 VM_Warning("copyentity: can not modify world entity\n");
1527                 return;
1528         }
1529         if (out->priv.server->free)
1530         {
1531                 VM_Warning("copyentity: can not modify free entity\n");
1532                 return;
1533         }
1534         memcpy(out->fields.vp, in->fields.vp, prog->progs->entityfields * 4);
1535         CL_LinkEdict(out);
1536 }
1537
1538 //=================================================================//
1539
1540 // #404 void(vector org, string modelname, float startframe, float endframe, float framerate) effect (DP_SV_EFFECT)
1541 static void VM_CL_effect (void)
1542 {
1543         VM_SAFEPARMCOUNT(5, VM_CL_effect);
1544         CL_Effect(PRVM_G_VECTOR(OFS_PARM0), (int)PRVM_G_FLOAT(OFS_PARM1), (int)PRVM_G_FLOAT(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), PRVM_G_FLOAT(OFS_PARM4));
1545 }
1546
1547 // #405 void(vector org, vector velocity, float howmany) te_blood (DP_TE_BLOOD)
1548 static void VM_CL_te_blood (void)
1549 {
1550         float   *pos;
1551         vec3_t  pos2;
1552         VM_SAFEPARMCOUNT(3, VM_CL_te_blood);
1553         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1554                 return;
1555         pos = PRVM_G_VECTOR(OFS_PARM0);
1556         CL_FindNonSolidLocation(pos, pos2, 4);
1557         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1558 }
1559
1560 // #406 void(vector mincorner, vector maxcorner, float explosionspeed, float howmany) te_bloodshower (DP_TE_BLOODSHOWER)
1561 static void VM_CL_te_bloodshower (void)
1562 {
1563         vec_t speed;
1564         vec3_t vel1, vel2;
1565         VM_SAFEPARMCOUNT(4, VM_CL_te_bloodshower);
1566         if (PRVM_G_FLOAT(OFS_PARM3) < 1)
1567                 return;
1568         speed = PRVM_G_FLOAT(OFS_PARM2);
1569         vel1[0] = -speed;
1570         vel1[1] = -speed;
1571         vel1[2] = -speed;
1572         vel2[0] = speed;
1573         vel2[1] = speed;
1574         vel2[2] = speed;
1575         CL_ParticleEffect(EFFECT_TE_BLOOD, PRVM_G_FLOAT(OFS_PARM3), PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), vel1, vel2, NULL, 0);
1576 }
1577
1578 // #407 void(vector org, vector color) te_explosionrgb (DP_TE_EXPLOSIONRGB)
1579 static void VM_CL_te_explosionrgb (void)
1580 {
1581         float           *pos;
1582         vec3_t          pos2;
1583         matrix4x4_t     tempmatrix;
1584         VM_SAFEPARMCOUNT(2, VM_CL_te_explosionrgb);
1585         pos = PRVM_G_VECTOR(OFS_PARM0);
1586         CL_FindNonSolidLocation(pos, pos2, 10);
1587         CL_ParticleExplosion(pos2);
1588         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1589         CL_AllocLightFlash(NULL, &tempmatrix, 350, PRVM_G_VECTOR(OFS_PARM1)[0], PRVM_G_VECTOR(OFS_PARM1)[1], PRVM_G_VECTOR(OFS_PARM1)[2], 700, 0.5, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1590 }
1591
1592 // #408 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color, float gravityflag, float randomveljitter) te_particlecube (DP_TE_PARTICLECUBE)
1593 static void VM_CL_te_particlecube (void)
1594 {
1595         VM_SAFEPARMCOUNT(7, VM_CL_te_particlecube);
1596         CL_ParticleCube(PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), PRVM_G_FLOAT(OFS_PARM5), PRVM_G_FLOAT(OFS_PARM6));
1597 }
1598
1599 // #409 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlerain (DP_TE_PARTICLERAIN)
1600 static void VM_CL_te_particlerain (void)
1601 {
1602         VM_SAFEPARMCOUNT(5, VM_CL_te_particlerain);
1603         CL_ParticleRain(PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 0);
1604 }
1605
1606 // #410 void(vector mincorner, vector maxcorner, vector vel, float howmany, float color) te_particlesnow (DP_TE_PARTICLESNOW)
1607 static void VM_CL_te_particlesnow (void)
1608 {
1609         VM_SAFEPARMCOUNT(5, VM_CL_te_particlesnow);
1610         CL_ParticleRain(PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), (int)PRVM_G_FLOAT(OFS_PARM3), (int)PRVM_G_FLOAT(OFS_PARM4), 1);
1611 }
1612
1613 // #411 void(vector org, vector vel, float howmany) te_spark
1614 static void VM_CL_te_spark (void)
1615 {
1616         float           *pos;
1617         vec3_t          pos2;
1618         VM_SAFEPARMCOUNT(3, VM_CL_te_spark);
1619
1620         pos = PRVM_G_VECTOR(OFS_PARM0);
1621         CL_FindNonSolidLocation(pos, pos2, 4);
1622         CL_ParticleEffect(EFFECT_TE_SPARK, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1623 }
1624
1625 extern cvar_t cl_sound_ric_gunshot;
1626 // #412 void(vector org) te_gunshotquad (DP_QUADEFFECTS1)
1627 static void VM_CL_te_gunshotquad (void)
1628 {
1629         float           *pos;
1630         vec3_t          pos2;
1631         int                     rnd;
1632         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshotquad);
1633
1634         pos = PRVM_G_VECTOR(OFS_PARM0);
1635         CL_FindNonSolidLocation(pos, pos2, 4);
1636         CL_ParticleEffect(EFFECT_TE_GUNSHOTQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1637         if(cl_sound_ric_gunshot.integer >= 2)
1638         {
1639                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1640                 else
1641                 {
1642                         rnd = rand() & 3;
1643                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1644                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1645                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1646                 }
1647         }
1648 }
1649
1650 // #413 void(vector org) te_spikequad (DP_QUADEFFECTS1)
1651 static void VM_CL_te_spikequad (void)
1652 {
1653         float           *pos;
1654         vec3_t          pos2;
1655         int                     rnd;
1656         VM_SAFEPARMCOUNT(1, VM_CL_te_spikequad);
1657
1658         pos = PRVM_G_VECTOR(OFS_PARM0);
1659         CL_FindNonSolidLocation(pos, pos2, 4);
1660         CL_ParticleEffect(EFFECT_TE_SPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1661         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1662         else
1663         {
1664                 rnd = rand() & 3;
1665                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1666                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1667                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1668         }
1669 }
1670
1671 // #414 void(vector org) te_superspikequad (DP_QUADEFFECTS1)
1672 static void VM_CL_te_superspikequad (void)
1673 {
1674         float           *pos;
1675         vec3_t          pos2;
1676         int                     rnd;
1677         VM_SAFEPARMCOUNT(1, VM_CL_te_superspikequad);
1678
1679         pos = PRVM_G_VECTOR(OFS_PARM0);
1680         CL_FindNonSolidLocation(pos, pos2, 4);
1681         CL_ParticleEffect(EFFECT_TE_SUPERSPIKEQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1682         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos, 1, 1);
1683         else
1684         {
1685                 rnd = rand() & 3;
1686                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1687                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1688                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1689         }
1690 }
1691
1692 // #415 void(vector org) te_explosionquad (DP_QUADEFFECTS1)
1693 static void VM_CL_te_explosionquad (void)
1694 {
1695         float           *pos;
1696         vec3_t          pos2;
1697         VM_SAFEPARMCOUNT(1, VM_CL_te_explosionquad);
1698
1699         pos = PRVM_G_VECTOR(OFS_PARM0);
1700         CL_FindNonSolidLocation(pos, pos2, 10);
1701         CL_ParticleEffect(EFFECT_TE_EXPLOSIONQUAD, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1702         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1703 }
1704
1705 // #416 void(vector org) te_smallflash (DP_TE_SMALLFLASH)
1706 static void VM_CL_te_smallflash (void)
1707 {
1708         float           *pos;
1709         vec3_t          pos2;
1710         VM_SAFEPARMCOUNT(1, VM_CL_te_smallflash);
1711
1712         pos = PRVM_G_VECTOR(OFS_PARM0);
1713         CL_FindNonSolidLocation(pos, pos2, 10);
1714         CL_ParticleEffect(EFFECT_TE_SMALLFLASH, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1715 }
1716
1717 // #417 void(vector org, float radius, float lifetime, vector color) te_customflash (DP_TE_CUSTOMFLASH)
1718 static void VM_CL_te_customflash (void)
1719 {
1720         float           *pos;
1721         vec3_t          pos2;
1722         matrix4x4_t     tempmatrix;
1723         VM_SAFEPARMCOUNT(4, VM_CL_te_customflash);
1724
1725         pos = PRVM_G_VECTOR(OFS_PARM0);
1726         CL_FindNonSolidLocation(pos, pos2, 4);
1727         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1728         CL_AllocLightFlash(NULL, &tempmatrix, PRVM_G_FLOAT(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM3)[0], PRVM_G_VECTOR(OFS_PARM3)[1], PRVM_G_VECTOR(OFS_PARM3)[2], PRVM_G_FLOAT(OFS_PARM1) / PRVM_G_FLOAT(OFS_PARM2), PRVM_G_FLOAT(OFS_PARM2), 0, -1, true, 1, 0.25, 1, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1729 }
1730
1731 // #418 void(vector org) te_gunshot (DP_TE_STANDARDEFFECTBUILTINS)
1732 static void VM_CL_te_gunshot (void)
1733 {
1734         float           *pos;
1735         vec3_t          pos2;
1736         int                     rnd;
1737         VM_SAFEPARMCOUNT(1, VM_CL_te_gunshot);
1738
1739         pos = PRVM_G_VECTOR(OFS_PARM0);
1740         CL_FindNonSolidLocation(pos, pos2, 4);
1741         CL_ParticleEffect(EFFECT_TE_GUNSHOT, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1742         if(cl_sound_ric_gunshot.integer == 1 || cl_sound_ric_gunshot.integer == 3)
1743         {
1744                 if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1745                 else
1746                 {
1747                         rnd = rand() & 3;
1748                         if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1749                         else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1750                         else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1751                 }
1752         }
1753 }
1754
1755 // #419 void(vector org) te_spike (DP_TE_STANDARDEFFECTBUILTINS)
1756 static void VM_CL_te_spike (void)
1757 {
1758         float           *pos;
1759         vec3_t          pos2;
1760         int                     rnd;
1761         VM_SAFEPARMCOUNT(1, VM_CL_te_spike);
1762
1763         pos = PRVM_G_VECTOR(OFS_PARM0);
1764         CL_FindNonSolidLocation(pos, pos2, 4);
1765         CL_ParticleEffect(EFFECT_TE_SPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1766         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1767         else
1768         {
1769                 rnd = rand() & 3;
1770                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1771                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1772                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1773         }
1774 }
1775
1776 // #420 void(vector org) te_superspike (DP_TE_STANDARDEFFECTBUILTINS)
1777 static void VM_CL_te_superspike (void)
1778 {
1779         float           *pos;
1780         vec3_t          pos2;
1781         int                     rnd;
1782         VM_SAFEPARMCOUNT(1, VM_CL_te_superspike);
1783
1784         pos = PRVM_G_VECTOR(OFS_PARM0);
1785         CL_FindNonSolidLocation(pos, pos2, 4);
1786         CL_ParticleEffect(EFFECT_TE_SUPERSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1787         if (rand() % 5)                 S_StartSound(-1, 0, cl.sfx_tink1, pos2, 1, 1);
1788         else
1789         {
1790                 rnd = rand() & 3;
1791                 if (rnd == 1)           S_StartSound(-1, 0, cl.sfx_ric1, pos2, 1, 1);
1792                 else if (rnd == 2)      S_StartSound(-1, 0, cl.sfx_ric2, pos2, 1, 1);
1793                 else                            S_StartSound(-1, 0, cl.sfx_ric3, pos2, 1, 1);
1794         }
1795 }
1796
1797 // #421 void(vector org) te_explosion (DP_TE_STANDARDEFFECTBUILTINS)
1798 static void VM_CL_te_explosion (void)
1799 {
1800         float           *pos;
1801         vec3_t          pos2;
1802         VM_SAFEPARMCOUNT(1, VM_CL_te_explosion);
1803
1804         pos = PRVM_G_VECTOR(OFS_PARM0);
1805         CL_FindNonSolidLocation(pos, pos2, 10);
1806         CL_ParticleEffect(EFFECT_TE_EXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1807         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1808 }
1809
1810 // #422 void(vector org) te_tarexplosion (DP_TE_STANDARDEFFECTBUILTINS)
1811 static void VM_CL_te_tarexplosion (void)
1812 {
1813         float           *pos;
1814         vec3_t          pos2;
1815         VM_SAFEPARMCOUNT(1, VM_CL_te_tarexplosion);
1816
1817         pos = PRVM_G_VECTOR(OFS_PARM0);
1818         CL_FindNonSolidLocation(pos, pos2, 10);
1819         CL_ParticleEffect(EFFECT_TE_TAREXPLOSION, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1820         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1821 }
1822
1823 // #423 void(vector org) te_wizspike (DP_TE_STANDARDEFFECTBUILTINS)
1824 static void VM_CL_te_wizspike (void)
1825 {
1826         float           *pos;
1827         vec3_t          pos2;
1828         VM_SAFEPARMCOUNT(1, VM_CL_te_wizspike);
1829
1830         pos = PRVM_G_VECTOR(OFS_PARM0);
1831         CL_FindNonSolidLocation(pos, pos2, 4);
1832         CL_ParticleEffect(EFFECT_TE_WIZSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1833         S_StartSound(-1, 0, cl.sfx_wizhit, pos2, 1, 1);
1834 }
1835
1836 // #424 void(vector org) te_knightspike (DP_TE_STANDARDEFFECTBUILTINS)
1837 static void VM_CL_te_knightspike (void)
1838 {
1839         float           *pos;
1840         vec3_t          pos2;
1841         VM_SAFEPARMCOUNT(1, VM_CL_te_knightspike);
1842
1843         pos = PRVM_G_VECTOR(OFS_PARM0);
1844         CL_FindNonSolidLocation(pos, pos2, 4);
1845         CL_ParticleEffect(EFFECT_TE_KNIGHTSPIKE, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1846         S_StartSound(-1, 0, cl.sfx_knighthit, pos2, 1, 1);
1847 }
1848
1849 // #425 void(vector org) te_lavasplash (DP_TE_STANDARDEFFECTBUILTINS)
1850 static void VM_CL_te_lavasplash (void)
1851 {
1852         VM_SAFEPARMCOUNT(1, VM_CL_te_lavasplash);
1853         CL_ParticleEffect(EFFECT_TE_LAVASPLASH, 1, PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM0), vec3_origin, vec3_origin, NULL, 0);
1854 }
1855
1856 // #426 void(vector org) te_teleport (DP_TE_STANDARDEFFECTBUILTINS)
1857 static void VM_CL_te_teleport (void)
1858 {
1859         VM_SAFEPARMCOUNT(1, VM_CL_te_teleport);
1860         CL_ParticleEffect(EFFECT_TE_TELEPORT, 1, PRVM_G_VECTOR(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM0), vec3_origin, vec3_origin, NULL, 0);
1861 }
1862
1863 // #427 void(vector org, float colorstart, float colorlength) te_explosion2 (DP_TE_STANDARDEFFECTBUILTINS)
1864 static void VM_CL_te_explosion2 (void)
1865 {
1866         float           *pos;
1867         vec3_t          pos2, color;
1868         matrix4x4_t     tempmatrix;
1869         int                     colorStart, colorLength;
1870         unsigned char           *tempcolor;
1871         VM_SAFEPARMCOUNT(3, VM_CL_te_explosion2);
1872
1873         pos = PRVM_G_VECTOR(OFS_PARM0);
1874         colorStart = (int)PRVM_G_FLOAT(OFS_PARM1);
1875         colorLength = (int)PRVM_G_FLOAT(OFS_PARM2);
1876         CL_FindNonSolidLocation(pos, pos2, 10);
1877         CL_ParticleExplosion2(pos2, colorStart, colorLength);
1878         tempcolor = palette_rgb[(rand()%colorLength) + colorStart];
1879         color[0] = tempcolor[0] * (2.0f / 255.0f);
1880         color[1] = tempcolor[1] * (2.0f / 255.0f);
1881         color[2] = tempcolor[2] * (2.0f / 255.0f);
1882         Matrix4x4_CreateTranslate(&tempmatrix, pos2[0], pos2[1], pos2[2]);
1883         CL_AllocLightFlash(NULL, &tempmatrix, 350, color[0], color[1], color[2], 700, 0.5, 0, -1, true, 1, 0.25, 0.25, 1, 1, LIGHTFLAG_NORMALMODE | LIGHTFLAG_REALTIMEMODE);
1884         S_StartSound(-1, 0, cl.sfx_r_exp3, pos2, 1, 1);
1885 }
1886
1887
1888 // #428 void(entity own, vector start, vector end) te_lightning1 (DP_TE_STANDARDEFFECTBUILTINS)
1889 static void VM_CL_te_lightning1 (void)
1890 {
1891         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning1);
1892         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt, true);
1893 }
1894
1895 // #429 void(entity own, vector start, vector end) te_lightning2 (DP_TE_STANDARDEFFECTBUILTINS)
1896 static void VM_CL_te_lightning2 (void)
1897 {
1898         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning2);
1899         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt2, true);
1900 }
1901
1902 // #430 void(entity own, vector start, vector end) te_lightning3 (DP_TE_STANDARDEFFECTBUILTINS)
1903 static void VM_CL_te_lightning3 (void)
1904 {
1905         VM_SAFEPARMCOUNT(3, VM_CL_te_lightning3);
1906         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_bolt3, false);
1907 }
1908
1909 // #431 void(entity own, vector start, vector end) te_beam (DP_TE_STANDARDEFFECTBUILTINS)
1910 static void VM_CL_te_beam (void)
1911 {
1912         VM_SAFEPARMCOUNT(3, VM_CL_te_beam);
1913         CL_NewBeam(PRVM_G_EDICTNUM(OFS_PARM0), PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM2), cl.model_beam, false);
1914 }
1915
1916 // #433 void(vector org) te_plasmaburn (DP_TE_PLASMABURN)
1917 static void VM_CL_te_plasmaburn (void)
1918 {
1919         float           *pos;
1920         vec3_t          pos2;
1921         VM_SAFEPARMCOUNT(1, VM_CL_te_plasmaburn);
1922
1923         pos = PRVM_G_VECTOR(OFS_PARM0);
1924         CL_FindNonSolidLocation(pos, pos2, 4);
1925         CL_ParticleEffect(EFFECT_TE_PLASMABURN, 1, pos2, pos2, vec3_origin, vec3_origin, NULL, 0);
1926 }
1927
1928 // #457 void(vector org, vector velocity, float howmany) te_flamejet (DP_TE_FLAMEJET)
1929 static void VM_CL_te_flamejet (void)
1930 {
1931         float *pos;
1932         vec3_t pos2;
1933         VM_SAFEPARMCOUNT(3, VM_CL_te_flamejet);
1934         if (PRVM_G_FLOAT(OFS_PARM2) < 1)
1935                 return;
1936         pos = PRVM_G_VECTOR(OFS_PARM0);
1937         CL_FindNonSolidLocation(pos, pos2, 4);
1938         CL_ParticleEffect(EFFECT_TE_FLAMEJET, PRVM_G_FLOAT(OFS_PARM2), pos2, pos2, PRVM_G_VECTOR(OFS_PARM1), PRVM_G_VECTOR(OFS_PARM1), NULL, 0);
1939 }
1940
1941
1942 //====================================================================
1943 //DP_QC_GETSURFACE
1944
1945 extern void clippointtosurface(dp_model_t *model, msurface_t *surface, vec3_t p, vec3_t out);
1946
1947 static msurface_t *cl_getsurface(dp_model_t *model, int surfacenum)
1948 {
1949         if (surfacenum < 0 || surfacenum >= model->nummodelsurfaces)
1950                 return NULL;
1951         return model->data_surfaces + surfacenum + model->firstmodelsurface;
1952 }
1953
1954 // #434 float(entity e, float s) getsurfacenumpoints
1955 static void VM_CL_getsurfacenumpoints(void)
1956 {
1957         dp_model_t *model;
1958         msurface_t *surface;
1959         VM_SAFEPARMCOUNT(2, VM_CL_getsurfacenumpoints);
1960         // return 0 if no such surface
1961         if (!(model = CL_GetModelFromEdict(PRVM_G_EDICT(OFS_PARM0))) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
1962         {
1963                 PRVM_G_FLOAT(OFS_RETURN) = 0;
1964                 return;
1965         }
1966
1967         // note: this (incorrectly) assumes it is a simple polygon
1968         PRVM_G_FLOAT(OFS_RETURN) = surface->num_vertices;
1969 }
1970
1971 // #435 vector(entity e, float s, float n) getsurfacepoint
1972 static void VM_CL_getsurfacepoint(void)
1973 {
1974         prvm_edict_t *ed;
1975         dp_model_t *model;
1976         msurface_t *surface;
1977         int pointnum;
1978         VM_SAFEPARMCOUNT(3, VM_CL_getsurfacenumpoints);
1979         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
1980         ed = PRVM_G_EDICT(OFS_PARM0);
1981         if (!(model = CL_GetModelFromEdict(ed)) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
1982                 return;
1983         // note: this (incorrectly) assumes it is a simple polygon
1984         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
1985         if (pointnum < 0 || pointnum >= surface->num_vertices)
1986                 return;
1987         // FIXME: implement rotation/scaling
1988         VectorAdd(&(model->surfmesh.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed->fields.client->origin, PRVM_G_VECTOR(OFS_RETURN));
1989 }
1990 //PF_getsurfacepointattribute,     // #486 vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
1991 // float SPA_POSITION = 0;
1992 // float SPA_S_AXIS = 1;
1993 // float SPA_T_AXIS = 2;
1994 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
1995 // float SPA_TEXCOORDS0 = 4;
1996 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
1997 // float SPA_LIGHTMAP0_COLOR = 6;
1998 // TODO: add some wrapper code and merge VM_CL/SV_getsurface* [12/16/2007 Black]
1999 static void VM_CL_getsurfacepointattribute(void)
2000 {
2001         prvm_edict_t *ed;
2002         dp_model_t *model;
2003         msurface_t *surface;
2004         int pointnum;
2005         int attributetype;
2006
2007         VM_SAFEPARMCOUNT(4, VM_CL_getsurfacenumpoints);
2008         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
2009         ed = PRVM_G_EDICT(OFS_PARM0);
2010         if (!(model = CL_GetModelFromEdict(ed)) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
2011                 return;
2012         // note: this (incorrectly) assumes it is a simple polygon
2013         pointnum = (int)PRVM_G_FLOAT(OFS_PARM2);
2014         if (pointnum < 0 || pointnum >= surface->num_vertices)
2015                 return;
2016
2017         // FIXME: implement rotation/scaling
2018         attributetype = (int) PRVM_G_FLOAT(OFS_PARM3);
2019
2020         switch( attributetype ) {
2021                 // float SPA_POSITION = 0;
2022                 case 0:
2023                         VectorAdd(&(model->surfmesh.data_vertex3f + 3 * surface->num_firstvertex)[pointnum * 3], ed->fields.client->origin, PRVM_G_VECTOR(OFS_RETURN));
2024                         break;
2025                 // float SPA_S_AXIS = 1;
2026                 case 1:
2027                         VectorCopy(&(model->surfmesh.data_svector3f + 3 * surface->num_firstvertex)[pointnum * 3], PRVM_G_VECTOR(OFS_RETURN));
2028                         break;
2029                 // float SPA_T_AXIS = 2;
2030                 case 2:
2031                         VectorCopy(&(model->surfmesh.data_tvector3f + 3 * surface->num_firstvertex)[pointnum * 3], PRVM_G_VECTOR(OFS_RETURN));
2032                         break;
2033                 // float SPA_R_AXIS = 3; // same as SPA_NORMAL
2034                 case 3:
2035                         VectorCopy(&(model->surfmesh.data_normal3f + 3 * surface->num_firstvertex)[pointnum * 3], PRVM_G_VECTOR(OFS_RETURN));
2036                         break;
2037                 // float SPA_TEXCOORDS0 = 4;
2038                 case 4: {
2039                         float *ret = PRVM_G_VECTOR(OFS_RETURN);
2040                         float *texcoord = &(model->surfmesh.data_texcoordtexture2f + 2 * surface->num_firstvertex)[pointnum * 2];
2041                         ret[0] = texcoord[0];
2042                         ret[1] = texcoord[1];
2043                         ret[2] = 0.0f;
2044                         break;
2045                 }
2046                 // float SPA_LIGHTMAP0_TEXCOORDS = 5;
2047                 case 5: {
2048                         float *ret = PRVM_G_VECTOR(OFS_RETURN);
2049                         float *texcoord = &(model->surfmesh.data_texcoordlightmap2f + 2 * surface->num_firstvertex)[pointnum * 2];
2050                         ret[0] = texcoord[0];
2051                         ret[1] = texcoord[1];
2052                         ret[2] = 0.0f;
2053                         break;
2054                 }
2055                 // float SPA_LIGHTMAP0_COLOR = 6;
2056                 case 6:
2057                         // ignore alpha for now..
2058                         VectorCopy( &(model->surfmesh.data_lightmapcolor4f + 4 * surface->num_firstvertex)[pointnum * 4], PRVM_G_VECTOR(OFS_RETURN));
2059                         break;
2060                 default:
2061                         VectorSet( PRVM_G_VECTOR(OFS_RETURN), 0.0f, 0.0f, 0.0f );
2062                         break;
2063         }
2064 }
2065 // #436 vector(entity e, float s) getsurfacenormal
2066 static void VM_CL_getsurfacenormal(void)
2067 {
2068         dp_model_t *model;
2069         msurface_t *surface;
2070         vec3_t normal;
2071         VM_SAFEPARMCOUNT(2, VM_CL_getsurfacenormal);
2072         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
2073         if (!(model = CL_GetModelFromEdict(PRVM_G_EDICT(OFS_PARM0))) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
2074                 return;
2075         // FIXME: implement rotation/scaling
2076         // note: this (incorrectly) assumes it is a simple polygon
2077         // note: this only returns the first triangle, so it doesn't work very
2078         // well for curved surfaces or arbitrary meshes
2079         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);
2080         VectorNormalize(normal);
2081         VectorCopy(normal, PRVM_G_VECTOR(OFS_RETURN));
2082 }
2083
2084 // #437 string(entity e, float s) getsurfacetexture
2085 static void VM_CL_getsurfacetexture(void)
2086 {
2087         dp_model_t *model;
2088         msurface_t *surface;
2089         VM_SAFEPARMCOUNT(2, VM_CL_getsurfacetexture);
2090         PRVM_G_INT(OFS_RETURN) = OFS_NULL;
2091         if (!(model = CL_GetModelFromEdict(PRVM_G_EDICT(OFS_PARM0))) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
2092                 return;
2093         PRVM_G_INT(OFS_RETURN) = PRVM_SetTempString(surface->texture->name);
2094 }
2095
2096 // #438 float(entity e, vector p) getsurfacenearpoint
2097 static void VM_CL_getsurfacenearpoint(void)
2098 {
2099         int surfacenum, best;
2100         vec3_t clipped, p;
2101         vec_t dist, bestdist;
2102         prvm_edict_t *ed;
2103         dp_model_t *model = NULL;
2104         msurface_t *surface;
2105         vec_t *point;
2106         VM_SAFEPARMCOUNT(2, VM_CL_getsurfacenearpoint);
2107         PRVM_G_FLOAT(OFS_RETURN) = -1;
2108         ed = PRVM_G_EDICT(OFS_PARM0);
2109         if(!(model = CL_GetModelFromEdict(ed)) || !model->num_surfaces)
2110                 return;
2111
2112         // FIXME: implement rotation/scaling
2113         point = PRVM_G_VECTOR(OFS_PARM1);
2114         VectorSubtract(point, ed->fields.client->origin, p);
2115         best = -1;
2116         bestdist = 1000000000;
2117         for (surfacenum = 0;surfacenum < model->nummodelsurfaces;surfacenum++)
2118         {
2119                 surface = model->data_surfaces + surfacenum + model->firstmodelsurface;
2120                 // first see if the nearest point on the surface's box is closer than the previous match
2121                 clipped[0] = bound(surface->mins[0], p[0], surface->maxs[0]) - p[0];
2122                 clipped[1] = bound(surface->mins[1], p[1], surface->maxs[1]) - p[1];
2123                 clipped[2] = bound(surface->mins[2], p[2], surface->maxs[2]) - p[2];
2124                 dist = VectorLength2(clipped);
2125                 if (dist < bestdist)
2126                 {
2127                         // it is, check the nearest point on the actual geometry
2128                         clippointtosurface(model, surface, p, clipped);
2129                         VectorSubtract(clipped, p, clipped);
2130                         dist += VectorLength2(clipped);
2131                         if (dist < bestdist)
2132                         {
2133                                 // that's closer too, store it as the best match
2134                                 best = surfacenum;
2135                                 bestdist = dist;
2136                         }
2137                 }
2138         }
2139         PRVM_G_FLOAT(OFS_RETURN) = best;
2140 }
2141
2142 // #439 vector(entity e, float s, vector p) getsurfaceclippedpoint
2143 static void VM_CL_getsurfaceclippedpoint(void)
2144 {
2145         prvm_edict_t *ed;
2146         dp_model_t *model;
2147         msurface_t *surface;
2148         vec3_t p, out;
2149         VM_SAFEPARMCOUNT(3, VM_CL_getsurfaceclippedpoint);
2150         VectorClear(PRVM_G_VECTOR(OFS_RETURN));
2151         ed = PRVM_G_EDICT(OFS_PARM0);
2152         if (!(model = CL_GetModelFromEdict(ed)) || !(surface = cl_getsurface(model, (int)PRVM_G_FLOAT(OFS_PARM1))))
2153                 return;
2154         // FIXME: implement rotation/scaling
2155         VectorSubtract(PRVM_G_VECTOR(OFS_PARM2), ed->fields.client->origin, p);
2156         clippointtosurface(model, surface, p, out);
2157         // FIXME: implement rotation/scaling
2158         VectorAdd(out, ed->fields.client->origin, PRVM_G_VECTOR(OFS_RETURN));
2159 }
2160
2161 // #443 void(entity e, entity tagentity, string tagname) setattachment
2162 void VM_CL_setattachment (void)
2163 {
2164         prvm_edict_t *e;
2165         prvm_edict_t *tagentity;
2166         const char *tagname;
2167         prvm_eval_t *v;
2168         int modelindex;
2169         dp_model_t *model;
2170         VM_SAFEPARMCOUNT(3, VM_CL_setattachment);
2171
2172         e = PRVM_G_EDICT(OFS_PARM0);
2173         tagentity = PRVM_G_EDICT(OFS_PARM1);
2174         tagname = PRVM_G_STRING(OFS_PARM2);
2175
2176         if (e == prog->edicts)
2177         {
2178                 VM_Warning("setattachment: can not modify world entity\n");
2179                 return;
2180         }
2181         if (e->priv.server->free)
2182         {
2183                 VM_Warning("setattachment: can not modify free entity\n");
2184                 return;
2185         }
2186
2187         if (tagentity == NULL)
2188                 tagentity = prog->edicts;
2189
2190         v = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.tag_entity);
2191         if (v)
2192                 v->edict = PRVM_EDICT_TO_PROG(tagentity);
2193
2194         v = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.tag_index);
2195         if (v)
2196                 v->_float = 0;
2197         if (tagentity != NULL && tagentity != prog->edicts && tagname && tagname[0])
2198         {
2199                 modelindex = (int)tagentity->fields.client->modelindex;
2200                 model = CL_GetModelByIndex(modelindex);
2201                 if (model)
2202                 {
2203                         v->_float = Mod_Alias_GetTagIndexForName(model, (int)tagentity->fields.client->skin, tagname);
2204                         if (v->_float == 0)
2205                                 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);
2206                 }
2207                 else
2208                         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));
2209         }
2210 }
2211
2212 /////////////////////////////////////////
2213 // DP_MD3_TAGINFO extension coded by VorteX
2214
2215 int CL_GetTagIndex (prvm_edict_t *e, const char *tagname)
2216 {
2217         dp_model_t *model = CL_GetModelFromEdict(e);
2218         if (model)
2219                 return Mod_Alias_GetTagIndexForName(model, (int)e->fields.client->skin, tagname);
2220         else
2221                 return -1;
2222 }
2223
2224 int CL_GetExtendedTagInfo (prvm_edict_t *e, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix)
2225 {
2226         int r;
2227         dp_model_t *model;
2228
2229         *tagname = NULL;
2230         *parentindex = 0;
2231         Matrix4x4_CreateIdentity(tag_localmatrix);
2232
2233         if (tagindex >= 0
2234          && (model = CL_GetModelFromEdict(e))
2235          && model->animscenes)
2236         {
2237                 r = Mod_Alias_GetExtendedTagInfoForIndex(model, (int)e->fields.client->skin, e->priv.server->frameblend, &e->priv.server->skeleton, tagindex - 1, parentindex, tagname, tag_localmatrix);
2238
2239                 if(!r) // success?
2240                         *parentindex += 1;
2241
2242                 return r;
2243         }
2244
2245         return 1;
2246 }
2247
2248 int CL_GetPitchSign(prvm_edict_t *ent)
2249 {
2250         dp_model_t *model;
2251         if ((model = CL_GetModelFromEdict(ent)) && model->type == mod_alias)
2252                 return -1;
2253         return 1;
2254 }
2255
2256 void CL_GetEntityMatrix (prvm_edict_t *ent, matrix4x4_t *out, qboolean viewmatrix)
2257 {
2258         prvm_eval_t *val;
2259         float scale;
2260         float pitchsign = 1;
2261
2262         scale = 1;
2263         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale);
2264         if (val && val->_float != 0)
2265                 scale = val->_float;
2266
2267         // TODO do we need the same weird angle inverting logic here as in the server side case?
2268         if(viewmatrix)
2269                 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);
2270         else
2271         {
2272                 pitchsign = CL_GetPitchSign(ent);
2273                 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);
2274         }
2275 }
2276
2277 int CL_GetEntityLocalTagMatrix(prvm_edict_t *ent, int tagindex, matrix4x4_t *out)
2278 {
2279         dp_model_t *model;
2280         if (tagindex >= 0
2281          && (model = CL_GetModelFromEdict(ent))
2282          && model->animscenes)
2283         {
2284                 VM_GenerateFrameGroupBlend(ent->priv.server->framegroupblend, ent);
2285                 VM_FrameBlendFromFrameGroupBlend(ent->priv.server->frameblend, ent->priv.server->framegroupblend, model);
2286                 VM_UpdateEdictSkeleton(ent, model, ent->priv.server->frameblend);
2287                 return Mod_Alias_GetTagMatrix(model, ent->priv.server->frameblend, &ent->priv.server->skeleton, tagindex, out);
2288         }
2289         *out = identitymatrix;
2290         return 0;
2291 }
2292
2293 // Warnings/errors code:
2294 // 0 - normal (everything all-right)
2295 // 1 - world entity
2296 // 2 - free entity
2297 // 3 - null or non-precached model
2298 // 4 - no tags with requested index
2299 // 5 - runaway loop at attachment chain
2300 extern cvar_t cl_bob;
2301 extern cvar_t cl_bobcycle;
2302 extern cvar_t cl_bobup;
2303 int CL_GetTagMatrix (matrix4x4_t *out, prvm_edict_t *ent, int tagindex)
2304 {
2305         int ret;
2306         prvm_eval_t *val;
2307         int attachloop;
2308         matrix4x4_t entitymatrix, tagmatrix, attachmatrix;
2309         dp_model_t *model;
2310
2311         *out = identitymatrix; // warnings and errors return identical matrix
2312
2313         if (ent == prog->edicts)
2314                 return 1;
2315         if (ent->priv.server->free)
2316                 return 2;
2317
2318         model = CL_GetModelFromEdict(ent);
2319         if(!model)
2320                 return 3;
2321
2322         tagmatrix = identitymatrix;
2323         attachloop = 0;
2324         for(;;)
2325         {
2326                 if(attachloop >= 256)
2327                         return 5;
2328                 // apply transformation by child's tagindex on parent entity and then
2329                 // by parent entity itself
2330                 ret = CL_GetEntityLocalTagMatrix(ent, tagindex - 1, &attachmatrix);
2331                 if(ret && attachloop == 0)
2332                         return ret;
2333                 CL_GetEntityMatrix(ent, &entitymatrix, false);
2334                 Matrix4x4_Concat(&tagmatrix, &attachmatrix, out);
2335                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2336                 // next iteration we process the parent entity
2337                 if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)) && val->edict)
2338                 {
2339                         tagindex = (int)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
2340                         ent = PRVM_EDICT_NUM(val->edict);
2341                 }
2342                 else
2343                         break;
2344                 attachloop++;
2345         }
2346
2347         // RENDER_VIEWMODEL magic
2348         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderflags)) && (RF_VIEWMODEL & (int)val->_float))
2349         {
2350                 Matrix4x4_Copy(&tagmatrix, out);
2351
2352                 CL_GetEntityMatrix(prog->edicts, &entitymatrix, true);
2353                 Matrix4x4_Concat(out, &entitymatrix, &tagmatrix);
2354
2355                 /*
2356                 // Cl_bob, ported from rendering code
2357                 if (ent->fields.client->health > 0 && cl_bob.value && cl_bobcycle.value)
2358                 {
2359                         double bob, cycle;
2360                         // LordHavoc: this code is *weird*, but not replacable (I think it
2361                         // should be done in QC on the server, but oh well, quake is quake)
2362                         // LordHavoc: figured out bobup: the time at which the sin is at 180
2363                         // degrees (which allows lengthening or squishing the peak or valley)
2364                         cycle = cl.time/cl_bobcycle.value;
2365                         cycle -= (int)cycle;
2366                         if (cycle < cl_bobup.value)
2367                                 cycle = sin(M_PI * cycle / cl_bobup.value);
2368                         else
2369                                 cycle = sin(M_PI + M_PI * (cycle-cl_bobup.value)/(1.0 - cl_bobup.value));
2370                         // bob is proportional to velocity in the xy plane
2371                         // (don't count Z, or jumping messes it up)
2372                         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;
2373                         bob = bob*0.3 + bob*0.7*cycle;
2374                         Matrix4x4_AdjustOrigin(out, 0, 0, bound(-7, bob, 4));
2375                 }
2376                 */
2377         }
2378         return 0;
2379 }
2380
2381 // #451 float(entity ent, string tagname) gettagindex (DP_QC_GETTAGINFO)
2382 void VM_CL_gettagindex (void)
2383 {
2384         prvm_edict_t *ent;
2385         const char *tag_name;
2386         int tag_index;
2387
2388         VM_SAFEPARMCOUNT(2, VM_CL_gettagindex);
2389
2390         ent = PRVM_G_EDICT(OFS_PARM0);
2391         tag_name = PRVM_G_STRING(OFS_PARM1);
2392         if (ent == prog->edicts)
2393         {
2394                 VM_Warning("VM_CL_gettagindex(entity #%i): can't affect world entity\n", PRVM_NUM_FOR_EDICT(ent));
2395                 return;
2396         }
2397         if (ent->priv.server->free)
2398         {
2399                 VM_Warning("VM_CL_gettagindex(entity #%i): can't affect free entity\n", PRVM_NUM_FOR_EDICT(ent));
2400                 return;
2401         }
2402
2403         tag_index = 0;
2404         if (!CL_GetModelFromEdict(ent))
2405                 Con_DPrintf("VM_CL_gettagindex(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(ent));
2406         else
2407         {
2408                 tag_index = CL_GetTagIndex(ent, tag_name);
2409                 if (tag_index == 0)
2410                         Con_Printf("VM_CL_gettagindex(entity #%i): tag \"%s\" not found\n", PRVM_NUM_FOR_EDICT(ent), tag_name);
2411         }
2412         PRVM_G_FLOAT(OFS_RETURN) = tag_index;
2413 }
2414
2415 // #452 vector(entity ent, float tagindex) gettaginfo (DP_QC_GETTAGINFO)
2416 void VM_CL_gettaginfo (void)
2417 {
2418         prvm_edict_t *e;
2419         int tagindex;
2420         matrix4x4_t tag_matrix;
2421         matrix4x4_t tag_localmatrix;
2422         int parentindex;
2423         const char *tagname;
2424         int returncode;
2425         prvm_eval_t *val;
2426         vec3_t fo, le, up, trans;
2427         const dp_model_t *model;
2428
2429         VM_SAFEPARMCOUNT(2, VM_CL_gettaginfo);
2430
2431         e = PRVM_G_EDICT(OFS_PARM0);
2432         tagindex = (int)PRVM_G_FLOAT(OFS_PARM1);
2433         returncode = CL_GetTagMatrix(&tag_matrix, e, tagindex);
2434         Matrix4x4_ToVectors(&tag_matrix, prog->globals.client->v_forward, le, prog->globals.client->v_up, PRVM_G_VECTOR(OFS_RETURN));
2435         VectorScale(le, -1, prog->globals.client->v_right);
2436         model = CL_GetModelFromEdict(e);
2437         VM_GenerateFrameGroupBlend(e->priv.server->framegroupblend, e);
2438         VM_FrameBlendFromFrameGroupBlend(e->priv.server->frameblend, e->priv.server->framegroupblend, model);
2439         VM_UpdateEdictSkeleton(e, model, e->priv.server->frameblend);
2440         CL_GetExtendedTagInfo(e, tagindex, &parentindex, &tagname, &tag_localmatrix);
2441         Matrix4x4_ToVectors(&tag_localmatrix, fo, le, up, trans);
2442
2443         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_parent)))
2444                 val->_float = parentindex;
2445         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_name)))
2446                 val->string = tagname ? PRVM_SetTempString(tagname) : 0;
2447         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_offset)))
2448                 VectorCopy(trans, val->vector);
2449         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_forward)))
2450                 VectorCopy(fo, val->vector);
2451         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_right)))
2452                 VectorScale(le, -1, val->vector);
2453         if((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.gettaginfo_up)))
2454                 VectorCopy(up, val->vector);
2455
2456         switch(returncode)
2457         {
2458                 case 1:
2459                         VM_Warning("gettagindex: can't affect world entity\n");
2460                         break;
2461                 case 2:
2462                         VM_Warning("gettagindex: can't affect free entity\n");
2463                         break;
2464                 case 3:
2465                         Con_DPrintf("CL_GetTagMatrix(entity #%i): null or non-precached model\n", PRVM_NUM_FOR_EDICT(e));
2466                         break;
2467                 case 4:
2468                         Con_DPrintf("CL_GetTagMatrix(entity #%i): model has no tag with requested index %i\n", PRVM_NUM_FOR_EDICT(e), tagindex);
2469                         break;
2470                 case 5:
2471                         Con_DPrintf("CL_GetTagMatrix(entity #%i): runaway loop at attachment chain\n", PRVM_NUM_FOR_EDICT(e));
2472                         break;
2473         }
2474 }
2475
2476 //============================================================================
2477
2478 //====================
2479 // DP_CSQC_SPAWNPARTICLE
2480 // a QC hook to engine's CL_NewParticle
2481 //====================
2482
2483 // particle theme struct
2484 typedef struct vmparticletheme_s
2485 {
2486         unsigned short typeindex;
2487         qboolean initialized;
2488         pblend_t blendmode;
2489         porientation_t orientation;
2490         int color1;
2491         int color2;
2492         int tex;
2493         float size;
2494         float sizeincrease;
2495         int alpha;
2496         int alphafade;
2497         float gravity;
2498         float bounce;
2499         float airfriction;
2500         float liquidfriction;
2501         float originjitter;
2502         float velocityjitter;
2503         qboolean qualityreduction;
2504         float lifetime;
2505         float stretch;
2506         int staincolor1;
2507         int staincolor2;
2508         int staintex;
2509         float delayspawn;
2510         float delaycollision;
2511 }vmparticletheme_t;
2512
2513 // particle spawner
2514 typedef struct vmparticlespawner_s
2515 {
2516         mempool_t                       *pool;
2517         qboolean                        initialized;
2518         qboolean                        verified;
2519         vmparticletheme_t       *themes;
2520         int                                     max_themes;
2521         // global addresses
2522         float *particle_type;
2523         float *particle_blendmode; 
2524         float *particle_orientation;
2525         float *particle_color1;
2526         float *particle_color2;
2527         float *particle_tex;
2528         float *particle_size;
2529         float *particle_sizeincrease;
2530         float *particle_alpha;
2531         float *particle_alphafade;
2532         float *particle_time;
2533         float *particle_gravity;
2534         float *particle_bounce;
2535         float *particle_airfriction;
2536         float *particle_liquidfriction;
2537         float *particle_originjitter;
2538         float *particle_velocityjitter;
2539         float *particle_qualityreduction;
2540         float *particle_stretch;
2541         float *particle_staincolor1;
2542         float *particle_staincolor2;
2543         float *particle_staintex;
2544         float *particle_delayspawn;
2545         float *particle_delaycollision;
2546 }vmparticlespawner_t;
2547
2548 vmparticlespawner_t vmpartspawner;
2549
2550 // TODO: automatic max_themes grow
2551 static void VM_InitParticleSpawner (int maxthemes)
2552 {
2553         prvm_eval_t *val;
2554
2555         // bound max themes to not be an insane value
2556         if (maxthemes < 4)
2557                 maxthemes = 4;
2558         if (maxthemes > 2048)
2559                 maxthemes = 2048;
2560         // allocate and set up structure
2561         if (vmpartspawner.initialized) // reallocate
2562         {
2563                 Mem_FreePool(&vmpartspawner.pool);
2564                 memset(&vmpartspawner, 0, sizeof(vmparticlespawner_t));
2565         }
2566         vmpartspawner.pool = Mem_AllocPool("VMPARTICLESPAWNER", 0, NULL);
2567         vmpartspawner.themes = (vmparticletheme_t *)Mem_Alloc(vmpartspawner.pool, sizeof(vmparticletheme_t)*maxthemes);
2568         vmpartspawner.max_themes = maxthemes;
2569         vmpartspawner.initialized = true;
2570         vmpartspawner.verified = true;
2571         // get field addresses for fast querying (we can do 1000 calls of spawnparticle in a frame)
2572         #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; }
2573         #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; }
2574         getglobal(particle_type, "particle_type");
2575         getglobal(particle_blendmode, "particle_blendmode");
2576         getglobal(particle_orientation, "particle_orientation");
2577         getglobalvector(particle_color1, "particle_color1");
2578         getglobalvector(particle_color2, "particle_color2");
2579         getglobal(particle_tex, "particle_tex");
2580         getglobal(particle_size, "particle_size");
2581         getglobal(particle_sizeincrease, "particle_sizeincrease");
2582         getglobal(particle_alpha, "particle_alpha");
2583         getglobal(particle_alphafade, "particle_alphafade");
2584         getglobal(particle_time, "particle_time");
2585         getglobal(particle_gravity, "particle_gravity");
2586         getglobal(particle_bounce, "particle_bounce");
2587         getglobal(particle_airfriction, "particle_airfriction");
2588         getglobal(particle_liquidfriction, "particle_liquidfriction");
2589         getglobal(particle_originjitter, "particle_originjitter");
2590         getglobal(particle_velocityjitter, "particle_velocityjitter");
2591         getglobal(particle_qualityreduction, "particle_qualityreduction");
2592         getglobal(particle_stretch, "particle_stretch");
2593         getglobalvector(particle_staincolor1, "particle_staincolor1");
2594         getglobalvector(particle_staincolor2, "particle_staincolor2");
2595         getglobal(particle_staintex, "particle_staintex");
2596         getglobal(particle_delayspawn, "particle_delayspawn");
2597         getglobal(particle_delaycollision, "particle_delaycollision");
2598         #undef getglobal
2599         #undef getglobalvector
2600 }
2601
2602 // reset particle theme to default values
2603 static void VM_ResetParticleTheme (vmparticletheme_t *theme)
2604 {
2605         theme->initialized = true;
2606         theme->typeindex = pt_static;
2607         theme->blendmode = PBLEND_ADD;
2608         theme->orientation = PARTICLE_BILLBOARD;
2609         theme->color1 = 0x808080;
2610         theme->color2 = 0xFFFFFF;
2611         theme->tex = 63;
2612         theme->size = 2;
2613         theme->sizeincrease = 0;
2614         theme->alpha = 256;
2615         theme->alphafade = 512;
2616         theme->gravity = 0.0f;
2617         theme->bounce = 0.0f;
2618         theme->airfriction = 1.0f;
2619         theme->liquidfriction = 4.0f;
2620         theme->originjitter = 0.0f;
2621         theme->velocityjitter = 0.0f;
2622         theme->qualityreduction = false;
2623         theme->lifetime = 4;
2624         theme->stretch = 1;
2625         theme->staincolor1 = -1;
2626         theme->staincolor2 = -1;
2627         theme->staintex = -1;
2628         theme->delayspawn = 0.0f;
2629         theme->delaycollision = 0.0f;
2630 }
2631
2632 // particle theme -> QC globals
2633 void VM_CL_ParticleThemeToGlobals(vmparticletheme_t *theme)
2634 {
2635         *vmpartspawner.particle_type = theme->typeindex;
2636         *vmpartspawner.particle_blendmode = theme->blendmode;
2637         *vmpartspawner.particle_orientation = theme->orientation;
2638         vmpartspawner.particle_color1[0] = (theme->color1 >> 16) & 0xFF; // VorteX: int only can store 0-255, not 0-256 which means 0 - 0,99609375...
2639         vmpartspawner.particle_color1[1] = (theme->color1 >> 8) & 0xFF;
2640         vmpartspawner.particle_color1[2] = (theme->color1 >> 0) & 0xFF;
2641         vmpartspawner.particle_color2[0] = (theme->color2 >> 16) & 0xFF;
2642         vmpartspawner.particle_color2[1] = (theme->color2 >> 8) & 0xFF;
2643         vmpartspawner.particle_color2[2] = (theme->color2 >> 0) & 0xFF;
2644         *vmpartspawner.particle_tex = (float)theme->tex;
2645         *vmpartspawner.particle_size = theme->size;
2646         *vmpartspawner.particle_sizeincrease = theme->sizeincrease;
2647         *vmpartspawner.particle_alpha = (float)theme->alpha/256;
2648         *vmpartspawner.particle_alphafade = (float)theme->alphafade/256;
2649         *vmpartspawner.particle_time = theme->lifetime;
2650         *vmpartspawner.particle_gravity = theme->gravity;
2651         *vmpartspawner.particle_bounce = theme->bounce;
2652         *vmpartspawner.particle_airfriction = theme->airfriction;
2653         *vmpartspawner.particle_liquidfriction = theme->liquidfriction;
2654         *vmpartspawner.particle_originjitter = theme->originjitter;
2655         *vmpartspawner.particle_velocityjitter = theme->velocityjitter;
2656         *vmpartspawner.particle_qualityreduction = theme->qualityreduction;
2657         *vmpartspawner.particle_stretch = theme->stretch;
2658         vmpartspawner.particle_staincolor1[0] = (theme->staincolor1 >> 16) & 0xFF;
2659         vmpartspawner.particle_staincolor1[1] = (theme->staincolor1 >> 8) & 0xFF;
2660         vmpartspawner.particle_staincolor1[2] = (theme->staincolor1 >> 0) & 0xFF;
2661         vmpartspawner.particle_staincolor2[0] = (theme->staincolor2 >> 16) & 0xFF;
2662         vmpartspawner.particle_staincolor2[1] = (theme->staincolor2 >> 8) & 0xFF;
2663         vmpartspawner.particle_staincolor2[2] = (theme->staincolor2 >> 0) & 0xFF;
2664         *vmpartspawner.particle_staintex = (float)theme->staintex;
2665         *vmpartspawner.particle_delayspawn = theme->delayspawn;
2666         *vmpartspawner.particle_delaycollision = theme->delaycollision;
2667 }
2668
2669 // QC globals ->  particle theme
2670 void VM_CL_ParticleThemeFromGlobals(vmparticletheme_t *theme)
2671 {
2672         theme->typeindex = (unsigned short)*vmpartspawner.particle_type;
2673         theme->blendmode = (pblend_t)*vmpartspawner.particle_blendmode;
2674         theme->orientation = (porientation_t)*vmpartspawner.particle_orientation;
2675         theme->color1 = ((int)vmpartspawner.particle_color1[0] << 16) + ((int)vmpartspawner.particle_color1[1] << 8) + ((int)vmpartspawner.particle_color1[2]);
2676         theme->color2 = ((int)vmpartspawner.particle_color2[0] << 16) + ((int)vmpartspawner.particle_color2[1] << 8) + ((int)vmpartspawner.particle_color2[2]);
2677         theme->tex = (int)*vmpartspawner.particle_tex;
2678         theme->size = *vmpartspawner.particle_size;
2679         theme->sizeincrease = *vmpartspawner.particle_sizeincrease;
2680         theme->alpha = (int)(*vmpartspawner.particle_alpha*256);
2681         theme->alphafade = (int)(*vmpartspawner.particle_alphafade*256);
2682         theme->lifetime = *vmpartspawner.particle_time;
2683         theme->gravity = *vmpartspawner.particle_gravity;
2684         theme->bounce = *vmpartspawner.particle_bounce;
2685         theme->airfriction = *vmpartspawner.particle_airfriction;
2686         theme->liquidfriction = *vmpartspawner.particle_liquidfriction;
2687         theme->originjitter = *vmpartspawner.particle_originjitter;
2688         theme->velocityjitter = *vmpartspawner.particle_velocityjitter;
2689         theme->qualityreduction = (*vmpartspawner.particle_qualityreduction) ? true : false;
2690         theme->stretch = *vmpartspawner.particle_stretch;
2691         theme->staincolor1 = vmpartspawner.particle_staincolor1[0]*65536 + vmpartspawner.particle_staincolor1[1]*256 + vmpartspawner.particle_staincolor1[2];
2692         theme->staincolor2 = vmpartspawner.particle_staincolor2[0]*65536 + vmpartspawner.particle_staincolor2[1]*256 + vmpartspawner.particle_staincolor2[2];
2693         theme->staintex =(int)*vmpartspawner.particle_staintex;
2694         theme->delayspawn = *vmpartspawner.particle_delayspawn;
2695         theme->delaycollision = *vmpartspawner.particle_delaycollision;
2696 }
2697
2698 // init particle spawner interface
2699 // # float(float max_themes) initparticlespawner
2700 void VM_CL_InitParticleSpawner (void)
2701 {
2702         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_InitParticleSpawner);
2703         VM_InitParticleSpawner((int)PRVM_G_FLOAT(OFS_PARM0));
2704         vmpartspawner.themes[0].initialized = true;
2705         VM_ResetParticleTheme(&vmpartspawner.themes[0]);
2706         PRVM_G_FLOAT(OFS_RETURN) = (vmpartspawner.verified == true) ? 1 : 0;
2707 }
2708
2709 // void() resetparticle
2710 void VM_CL_ResetParticle (void)
2711 {
2712         VM_SAFEPARMCOUNT(0, VM_CL_ResetParticle);
2713         if (vmpartspawner.verified == false)
2714         {
2715                 VM_Warning("VM_CL_ResetParticle: particle spawner not initialized\n");
2716                 return;
2717         }
2718         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2719 }
2720
2721 // void(float themenum) particletheme
2722 void VM_CL_ParticleTheme (void)
2723 {
2724         int themenum;
2725
2726         VM_SAFEPARMCOUNT(1, VM_CL_ParticleTheme);
2727         if (vmpartspawner.verified == false)
2728         {
2729                 VM_Warning("VM_CL_ParticleTheme: particle spawner not initialized\n");
2730                 return;
2731         }
2732         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2733         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2734         {
2735                 VM_Warning("VM_CL_ParticleTheme: bad theme number %i\n", themenum);
2736                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2737                 return;
2738         }
2739         if (vmpartspawner.themes[themenum].initialized == false)
2740         {
2741                 VM_Warning("VM_CL_ParticleTheme: theme #%i not exists\n", themenum);
2742                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2743                 return;
2744         }
2745         // load particle theme into globals
2746         VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[themenum]);
2747 }
2748
2749 // float() saveparticletheme
2750 // void(float themenum) updateparticletheme
2751 void VM_CL_ParticleThemeSave (void)
2752 {
2753         int themenum;
2754
2755         VM_SAFEPARMCOUNTRANGE(0, 1, VM_CL_ParticleThemeSave);
2756         if (vmpartspawner.verified == false)
2757         {
2758                 VM_Warning("VM_CL_ParticleThemeSave: particle spawner not initialized\n");
2759                 return;
2760         }
2761         // allocate new theme, save it and return
2762         if (prog->argc < 1)
2763         {
2764                 for (themenum = 0; themenum < vmpartspawner.max_themes; themenum++)
2765                         if (vmpartspawner.themes[themenum].initialized == false)
2766                                 break;
2767                 if (themenum >= vmpartspawner.max_themes)
2768                 {
2769                         if (vmpartspawner.max_themes == 2048)
2770                                 VM_Warning("VM_CL_ParticleThemeSave: no free theme slots\n");
2771                         else
2772                                 VM_Warning("VM_CL_ParticleThemeSave: no free theme slots, try initparticlespawner() with highter max_themes\n");
2773                         PRVM_G_FLOAT(OFS_RETURN) = -1;
2774                         return;
2775                 }
2776                 vmpartspawner.themes[themenum].initialized = true;
2777                 VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum]);
2778                 PRVM_G_FLOAT(OFS_RETURN) = themenum;
2779                 return;
2780         }
2781         // update existing theme
2782         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2783         if (themenum < 0 || themenum >= vmpartspawner.max_themes)
2784         {
2785                 VM_Warning("VM_CL_ParticleThemeSave: bad theme number %i\n", themenum);
2786                 return;
2787         }
2788         vmpartspawner.themes[themenum].initialized = true;
2789         VM_CL_ParticleThemeFromGlobals(&vmpartspawner.themes[themenum]);
2790 }
2791
2792 // void(float themenum) freeparticletheme
2793 void VM_CL_ParticleThemeFree (void)
2794 {
2795         int themenum;
2796
2797         VM_SAFEPARMCOUNT(1, VM_CL_ParticleThemeFree);
2798         if (vmpartspawner.verified == false)
2799         {
2800                 VM_Warning("VM_CL_ParticleThemeFree: particle spawner not initialized\n");
2801                 return;
2802         }
2803         themenum = (int)PRVM_G_FLOAT(OFS_PARM0);
2804         // check parms
2805         if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2806         {
2807                 VM_Warning("VM_CL_ParticleThemeFree: bad theme number %i\n", themenum);
2808                 return;
2809         }
2810         if (vmpartspawner.themes[themenum].initialized == false)
2811         {
2812                 VM_Warning("VM_CL_ParticleThemeFree: theme #%i already freed\n", themenum);
2813                 VM_CL_ParticleThemeToGlobals(&vmpartspawner.themes[0]);
2814                 return;
2815         }
2816         // free theme
2817         VM_ResetParticleTheme(&vmpartspawner.themes[themenum]);
2818         vmpartspawner.themes[themenum].initialized = false;
2819 }
2820
2821 // float(vector org, vector dir, [float theme]) particle
2822 // returns 0 if failed, 1 if succesful
2823 void VM_CL_SpawnParticle (void)
2824 {
2825         float *org, *dir;
2826         vmparticletheme_t *theme;
2827         particle_t *part;
2828         int themenum;
2829
2830         VM_SAFEPARMCOUNTRANGE(2, 3, VM_CL_SpawnParticle2);
2831         if (vmpartspawner.verified == false)
2832         {
2833                 VM_Warning("VM_CL_SpawnParticle: particle spawner not initialized\n");
2834                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2835                 return;
2836         }
2837         org = PRVM_G_VECTOR(OFS_PARM0);
2838         dir = PRVM_G_VECTOR(OFS_PARM1);
2839         
2840         if (prog->argc < 3) // global-set particle
2841         {
2842                 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);
2843                 if (!part)
2844                 {
2845                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2846                         return;
2847                 }
2848                 if (*vmpartspawner.particle_delayspawn)
2849                         part->delayedspawn = cl.time + *vmpartspawner.particle_delayspawn;
2850                 if (*vmpartspawner.particle_delaycollision)
2851                         part->delayedcollisions = cl.time + *vmpartspawner.particle_delaycollision;
2852         }
2853         else // quick themed particle
2854         {
2855                 themenum = (int)PRVM_G_FLOAT(OFS_PARM2);
2856                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2857                 {
2858                         VM_Warning("VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2859                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2860                         return;
2861                 }
2862                 theme = &vmpartspawner.themes[themenum];
2863                 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);
2864                 if (!part)
2865                 {
2866                         PRVM_G_FLOAT(OFS_RETURN) = 0; 
2867                         return;
2868                 }
2869                 if (theme->delayspawn)
2870                         part->delayedspawn = cl.time + theme->delayspawn;
2871                 if (theme->delaycollision)
2872                         part->delayedcollisions = cl.time + theme->delaycollision;
2873         }
2874         PRVM_G_FLOAT(OFS_RETURN) = 1; 
2875 }
2876
2877 // float(vector org, vector dir, float spawndelay, float collisiondelay, [float theme]) delayedparticle
2878 // returns 0 if failed, 1 if success
2879 void VM_CL_SpawnParticleDelayed (void)
2880 {
2881         float *org, *dir;
2882         vmparticletheme_t *theme;
2883         particle_t *part;
2884         int themenum;
2885
2886         VM_SAFEPARMCOUNTRANGE(4, 5, VM_CL_SpawnParticle2);
2887         if (vmpartspawner.verified == false)
2888         {
2889                 VM_Warning("VM_CL_SpawnParticle: particle spawner not initialized\n");
2890                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2891                 return;
2892         }
2893         org = PRVM_G_VECTOR(OFS_PARM0);
2894         dir = PRVM_G_VECTOR(OFS_PARM1);
2895         if (prog->argc < 5) // global-set particle
2896                 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);
2897         else // themed particle
2898         {
2899                 themenum = (int)PRVM_G_FLOAT(OFS_PARM4);
2900                 if (themenum <= 0 || themenum >= vmpartspawner.max_themes)
2901                 {
2902                         VM_Warning("VM_CL_SpawnParticle: bad theme number %i\n", themenum);
2903                         PRVM_G_FLOAT(OFS_RETURN) = 0;  
2904                         return;
2905                 }
2906                 theme = &vmpartspawner.themes[themenum];
2907                 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);
2908         }
2909         if (!part) 
2910         { 
2911                 PRVM_G_FLOAT(OFS_RETURN) = 0; 
2912                 return; 
2913         }
2914         part->delayedspawn = cl.time + PRVM_G_FLOAT(OFS_PARM2);
2915         part->delayedcollisions = cl.time + PRVM_G_FLOAT(OFS_PARM3);
2916         PRVM_G_FLOAT(OFS_RETURN) = 0;
2917 }
2918
2919 //
2920 //====================
2921 //QC POLYGON functions
2922 //====================
2923
2924 #define VMPOLYGONS_MAXPOINTS 64
2925
2926 typedef struct vmpolygons_triangle_s
2927 {
2928         rtexture_t              *texture;
2929         int                             drawflag;
2930         unsigned short  elements[3];
2931 }vmpolygons_triangle_t;
2932
2933 typedef struct vmpolygons_s
2934 {
2935         mempool_t               *pool;
2936         qboolean                initialized;
2937         double          progstarttime;
2938
2939         int                             max_vertices;
2940         int                             num_vertices;
2941         float                   *data_vertex3f;
2942         float                   *data_color4f;
2943         float                   *data_texcoord2f;
2944
2945         int                             max_triangles;
2946         int                             num_triangles;
2947         vmpolygons_triangle_t *data_triangles;
2948         unsigned short  *data_sortedelement3s;
2949
2950         qboolean                begin_active;
2951         rtexture_t              *begin_texture;
2952         int                             begin_drawflag;
2953         int                             begin_vertices;
2954         float                   begin_vertex[VMPOLYGONS_MAXPOINTS][3];
2955         float                   begin_color[VMPOLYGONS_MAXPOINTS][4];
2956         float                   begin_texcoord[VMPOLYGONS_MAXPOINTS][2];
2957 } vmpolygons_t;
2958
2959 // FIXME: make VM_CL_R_Polygon functions use Debug_Polygon functions?
2960 vmpolygons_t vmpolygons[PRVM_MAXPROGS];
2961
2962 //#304 void() renderscene (EXT_CSQC)
2963 // moved that here to reset the polygons,
2964 // resetting them earlier causes R_Mesh_Draw to be called with numvertices = 0
2965 // --blub
2966 void VM_CL_R_RenderScene (void)
2967 {
2968         double t = Sys_DoubleTime();
2969         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
2970         VM_SAFEPARMCOUNT(0, VM_CL_R_RenderScene);
2971
2972         // we need to update any RENDER_VIEWMODEL entities at this point because
2973         // csqc supplies its own view matrix
2974         CL_UpdateViewEntities();
2975         // now draw stuff!
2976         R_RenderView();
2977
2978         polys->num_vertices = polys->num_triangles = 0;
2979         polys->progstarttime = prog->starttime;
2980
2981         // callprofile fixing hack: do not include this time in what is counted for CSQC_UpdateView
2982         prog->functions[prog->funcoffsets.CSQC_UpdateView].totaltime -= Sys_DoubleTime() - t;
2983 }
2984
2985 static void VM_ResizePolygons(vmpolygons_t *polys)
2986 {
2987         float *oldvertex3f = polys->data_vertex3f;
2988         float *oldcolor4f = polys->data_color4f;
2989         float *oldtexcoord2f = polys->data_texcoord2f;
2990         vmpolygons_triangle_t *oldtriangles = polys->data_triangles;
2991         unsigned short *oldsortedelement3s = polys->data_sortedelement3s;
2992         polys->max_vertices = min(polys->max_triangles*3, 65536);
2993         polys->data_vertex3f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[3]));
2994         polys->data_color4f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[4]));
2995         polys->data_texcoord2f = (float *)Mem_Alloc(polys->pool, polys->max_vertices*sizeof(float[2]));
2996         polys->data_triangles = (vmpolygons_triangle_t *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(vmpolygons_triangle_t));
2997         polys->data_sortedelement3s = (unsigned short *)Mem_Alloc(polys->pool, polys->max_triangles*sizeof(unsigned short[3]));
2998         if (polys->num_vertices)
2999         {
3000                 memcpy(polys->data_vertex3f, oldvertex3f, polys->num_vertices*sizeof(float[3]));
3001                 memcpy(polys->data_color4f, oldcolor4f, polys->num_vertices*sizeof(float[4]));
3002                 memcpy(polys->data_texcoord2f, oldtexcoord2f, polys->num_vertices*sizeof(float[2]));
3003         }
3004         if (polys->num_triangles)
3005         {
3006                 memcpy(polys->data_triangles, oldtriangles, polys->num_triangles*sizeof(vmpolygons_triangle_t));
3007                 memcpy(polys->data_sortedelement3s, oldsortedelement3s, polys->num_triangles*sizeof(unsigned short[3]));
3008         }
3009         if (oldvertex3f)
3010                 Mem_Free(oldvertex3f);
3011         if (oldcolor4f)
3012                 Mem_Free(oldcolor4f);
3013         if (oldtexcoord2f)
3014                 Mem_Free(oldtexcoord2f);
3015         if (oldtriangles)
3016                 Mem_Free(oldtriangles);
3017         if (oldsortedelement3s)
3018                 Mem_Free(oldsortedelement3s);
3019 }
3020
3021 static void VM_InitPolygons (vmpolygons_t* polys)
3022 {
3023         memset(polys, 0, sizeof(*polys));
3024         polys->pool = Mem_AllocPool("VMPOLY", 0, NULL);
3025         polys->max_triangles = 1024;
3026         VM_ResizePolygons(polys);
3027         polys->initialized = true;
3028 }
3029
3030 static void VM_DrawPolygonCallback (const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
3031 {
3032         int surfacelistindex;
3033         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3034         if(polys->progstarttime != prog->starttime) // from other progs? won't draw these (this can cause crashes!)
3035                 return;
3036         R_Mesh_ResetTextureState();
3037         R_EntityMatrix(&identitymatrix);
3038         GL_CullFace(GL_NONE);
3039         R_Mesh_VertexPointer(polys->data_vertex3f, 0, 0);
3040         R_Mesh_ColorPointer(polys->data_color4f, 0, 0);
3041         R_Mesh_TexCoordPointer(0, 2, polys->data_texcoord2f, 0, 0);
3042
3043         for (surfacelistindex = 0;surfacelistindex < numsurfaces;)
3044         {
3045                 int numtriangles = 0;
3046                 rtexture_t *tex = polys->data_triangles[surfacelist[surfacelistindex]].texture;
3047                 int drawflag = polys->data_triangles[surfacelist[surfacelistindex]].drawflag;
3048                 // this can't call _DrawQ_ProcessDrawFlag, but should be in sync with it
3049                 // FIXME factor this out
3050                 if(drawflag == DRAWFLAG_ADDITIVE)
3051                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
3052                 else if(drawflag == DRAWFLAG_MODULATE)
3053                         GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
3054                 else if(drawflag == DRAWFLAG_2XMODULATE)
3055                         GL_BlendFunc(GL_DST_COLOR,GL_SRC_COLOR);
3056                 else if(drawflag == DRAWFLAG_SCREEN)
3057                         GL_BlendFunc(GL_ONE_MINUS_DST_COLOR,GL_ONE);
3058                 else
3059                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
3060                 R_SetupShader_Generic(tex, NULL, GL_MODULATE, 1);
3061                 numtriangles = 0;
3062                 for (;surfacelistindex < numsurfaces;surfacelistindex++)
3063                 {
3064                         if (polys->data_triangles[surfacelist[surfacelistindex]].texture != tex || polys->data_triangles[surfacelist[surfacelistindex]].drawflag != drawflag)
3065                                 break;
3066                         VectorCopy(polys->data_triangles[surfacelist[surfacelistindex]].elements, polys->data_sortedelement3s + 3*numtriangles);
3067                         numtriangles++;
3068                 }
3069                 R_Mesh_Draw(0, polys->num_vertices, 0, numtriangles, NULL, polys->data_sortedelement3s, 0, 0);
3070         }
3071 }
3072
3073 void VMPolygons_Store(vmpolygons_t *polys)
3074 {
3075         if (r_refdef.draw2dstage)
3076         {
3077                 // draw the polygon as 2D immediately
3078                 drawqueuemesh_t mesh;
3079                 mesh.texture = polys->begin_texture;
3080                 mesh.num_vertices = polys->begin_vertices;
3081                 mesh.num_triangles = polys->begin_vertices-2;
3082                 mesh.data_element3i = polygonelement3i;
3083                 mesh.data_element3s = polygonelement3s;
3084                 mesh.data_vertex3f = polys->begin_vertex[0];
3085                 mesh.data_color4f = polys->begin_color[0];
3086                 mesh.data_texcoord2f = polys->begin_texcoord[0];
3087                 DrawQ_Mesh(&mesh, polys->begin_drawflag);
3088         }
3089         else
3090         {
3091                 // queue the polygon as 3D for sorted transparent rendering later
3092                 int i;
3093                 if (polys->max_triangles < polys->num_triangles + polys->begin_vertices-2)
3094                 {
3095                         polys->max_triangles *= 2;
3096                         VM_ResizePolygons(polys);
3097                 }
3098                 if (polys->num_vertices + polys->begin_vertices <= polys->max_vertices)
3099                 {
3100                         // needle in a haystack!
3101                         // polys->num_vertices was used for copying where we actually want to copy begin_vertices
3102                         // that also caused it to not render the first polygon that is added
3103                         // --blub
3104                         memcpy(polys->data_vertex3f + polys->num_vertices * 3, polys->begin_vertex[0], polys->begin_vertices * sizeof(float[3]));
3105                         memcpy(polys->data_color4f + polys->num_vertices * 4, polys->begin_color[0], polys->begin_vertices * sizeof(float[4]));
3106                         memcpy(polys->data_texcoord2f + polys->num_vertices * 2, polys->begin_texcoord[0], polys->begin_vertices * sizeof(float[2]));
3107                         for (i = 0;i < polys->begin_vertices-2;i++)
3108                         {
3109                                 polys->data_triangles[polys->num_triangles].texture = polys->begin_texture;
3110                                 polys->data_triangles[polys->num_triangles].drawflag = polys->begin_drawflag;
3111                                 polys->data_triangles[polys->num_triangles].elements[0] = polys->num_vertices;
3112                                 polys->data_triangles[polys->num_triangles].elements[1] = polys->num_vertices + i+1;
3113                                 polys->data_triangles[polys->num_triangles].elements[2] = polys->num_vertices + i+2;
3114                                 polys->num_triangles++;
3115                         }
3116                         polys->num_vertices += polys->begin_vertices;
3117                 }
3118         }
3119         polys->begin_active = false;
3120 }
3121
3122 // TODO: move this into the client code and clean-up everything else, too! [1/6/2008 Black]
3123 // LordHavoc: agreed, this is a mess
3124 void VM_CL_AddPolygonsToMeshQueue (void)
3125 {
3126         int i;
3127         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3128         vec3_t center;
3129
3130         // only add polygons of the currently active prog to the queue - if there is none, we're done
3131         if( !prog )
3132                 return;
3133
3134         if (!polys->num_triangles)
3135                 return;
3136
3137         for (i = 0;i < polys->num_triangles;i++)
3138         {
3139                 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);
3140                 R_MeshQueue_AddTransparent(center, VM_DrawPolygonCallback, NULL, i, NULL);
3141         }
3142
3143         /*polys->num_triangles = 0; // now done after rendering the scene,
3144           polys->num_vertices = 0;  // otherwise it's not rendered at all and prints an error message --blub */
3145 }
3146
3147 //void(string texturename, float flag) R_BeginPolygon
3148 void VM_CL_R_PolygonBegin (void)
3149 {
3150         const char              *picname;
3151         skinframe_t     *sf;
3152         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3153         int tf;
3154
3155         // TODO instead of using skinframes here (which provides the benefit of
3156         // better management of flags, and is more suited for 3D rendering), what
3157         // about supporting Q3 shaders?
3158
3159         VM_SAFEPARMCOUNT(2, VM_CL_R_PolygonBegin);
3160
3161         if (!polys->initialized)
3162                 VM_InitPolygons(polys);
3163         if(polys->progstarttime != prog->starttime)
3164         {
3165                 // from another progs? then reset the polys first (fixes crashes on map change, because that can make skinframe textures invalid)
3166                 polys->num_vertices = polys->num_triangles = 0;
3167                 polys->progstarttime = prog->starttime;
3168         }
3169         if (polys->begin_active)
3170         {
3171                 VM_Warning("VM_CL_R_PolygonBegin: called twice without VM_CL_R_PolygonBegin after first\n");
3172                 return;
3173         }
3174         picname = PRVM_G_STRING(OFS_PARM0);
3175
3176         sf = NULL;
3177         if(*picname)
3178         {
3179                 tf = TEXF_ALPHA;
3180                 if((int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MIPMAP)
3181                         tf |= TEXF_MIPMAP;
3182
3183                 do
3184                 {
3185                         sf = R_SkinFrame_FindNextByName(sf, picname);
3186                 }
3187                 while(sf && sf->textureflags != tf);
3188
3189                 if(!sf || !sf->base)
3190                         sf = R_SkinFrame_LoadExternal(picname, tf, true);
3191
3192                 if(sf)
3193                         R_SkinFrame_MarkUsed(sf);
3194         }
3195
3196         polys->begin_texture = (sf && sf->base) ? sf->base : r_texture_white;
3197         polys->begin_drawflag = (int)PRVM_G_FLOAT(OFS_PARM1) & DRAWFLAG_MASK;
3198         polys->begin_vertices = 0;
3199         polys->begin_active = true;
3200 }
3201
3202 //void(vector org, vector texcoords, vector rgb, float alpha) R_PolygonVertex
3203 void VM_CL_R_PolygonVertex (void)
3204 {
3205         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3206
3207         VM_SAFEPARMCOUNT(4, VM_CL_R_PolygonVertex);
3208
3209         if (!polys->begin_active)
3210         {
3211                 VM_Warning("VM_CL_R_PolygonVertex: VM_CL_R_PolygonBegin wasn't called\n");
3212                 return;
3213         }
3214
3215         if (polys->begin_vertices >= VMPOLYGONS_MAXPOINTS)
3216         {
3217                 VM_Warning("VM_CL_R_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3218                 return;
3219         }
3220
3221         polys->begin_vertex[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM0)[0];
3222         polys->begin_vertex[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM0)[1];
3223         polys->begin_vertex[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM0)[2];
3224         polys->begin_texcoord[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM1)[0];
3225         polys->begin_texcoord[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM1)[1];
3226         polys->begin_color[polys->begin_vertices][0] = PRVM_G_VECTOR(OFS_PARM2)[0];
3227         polys->begin_color[polys->begin_vertices][1] = PRVM_G_VECTOR(OFS_PARM2)[1];
3228         polys->begin_color[polys->begin_vertices][2] = PRVM_G_VECTOR(OFS_PARM2)[2];
3229         polys->begin_color[polys->begin_vertices][3] = PRVM_G_FLOAT(OFS_PARM3);
3230         polys->begin_vertices++;
3231 }
3232
3233 //void() R_EndPolygon
3234 void VM_CL_R_PolygonEnd (void)
3235 {
3236         vmpolygons_t* polys = vmpolygons + PRVM_GetProgNr();
3237
3238         VM_SAFEPARMCOUNT(0, VM_CL_R_PolygonEnd);
3239         if (!polys->begin_active)
3240         {
3241                 VM_Warning("VM_CL_R_PolygonEnd: VM_CL_R_PolygonBegin wasn't called\n");
3242                 return;
3243         }
3244         polys->begin_active = false;
3245         if (polys->begin_vertices >= 3)
3246                 VMPolygons_Store(polys);
3247         else
3248                 VM_Warning("VM_CL_R_PolygonEnd: %i vertices isn't a good choice\n", polys->begin_vertices);
3249 }
3250
3251 static vmpolygons_t debugPolys;
3252
3253 void Debug_PolygonBegin(const char *picname, int drawflag)
3254 {
3255         if(!debugPolys.initialized)
3256                 VM_InitPolygons(&debugPolys);
3257         if(debugPolys.begin_active)
3258         {
3259                 Con_Printf("Debug_PolygonBegin: called twice without Debug_PolygonEnd after first\n");
3260                 return;
3261         }
3262         debugPolys.begin_texture = picname[0] ? Draw_CachePic (picname)->tex : r_texture_white;
3263         debugPolys.begin_drawflag = drawflag;
3264         debugPolys.begin_vertices = 0;
3265         debugPolys.begin_active = true;
3266 }
3267
3268 void Debug_PolygonVertex(float x, float y, float z, float s, float t, float r, float g, float b, float a)
3269 {
3270         if(!debugPolys.begin_active)
3271         {
3272                 Con_Printf("Debug_PolygonVertex: Debug_PolygonBegin wasn't called\n");
3273                 return;
3274         }
3275
3276         if(debugPolys.begin_vertices > VMPOLYGONS_MAXPOINTS)
3277         {
3278                 Con_Printf("Debug_PolygonVertex: may have %i vertices max\n", VMPOLYGONS_MAXPOINTS);
3279                 return;
3280         }
3281
3282         debugPolys.begin_vertex[debugPolys.begin_vertices][0] = x;
3283         debugPolys.begin_vertex[debugPolys.begin_vertices][1] = y;
3284         debugPolys.begin_vertex[debugPolys.begin_vertices][2] = z;
3285         debugPolys.begin_texcoord[debugPolys.begin_vertices][0] = s;
3286         debugPolys.begin_texcoord[debugPolys.begin_vertices][1] = t;
3287         debugPolys.begin_color[debugPolys.begin_vertices][0] = r;
3288         debugPolys.begin_color[debugPolys.begin_vertices][1] = g;
3289         debugPolys.begin_color[debugPolys.begin_vertices][2] = b;
3290         debugPolys.begin_color[debugPolys.begin_vertices][3] = a;
3291         debugPolys.begin_vertices++;
3292 }
3293
3294 void Debug_PolygonEnd(void)
3295 {
3296         if (!debugPolys.begin_active)
3297         {
3298                 Con_Printf("Debug_PolygonEnd: Debug_PolygonBegin wasn't called\n");
3299                 return;
3300         }
3301         debugPolys.begin_active = false;
3302         if (debugPolys.begin_vertices >= 3)
3303                 VMPolygons_Store(&debugPolys);
3304         else
3305                 Con_Printf("Debug_PolygonEnd: %i vertices isn't a good choice\n", debugPolys.begin_vertices);
3306 }
3307
3308 /*
3309 =============
3310 CL_CheckBottom
3311
3312 Returns false if any part of the bottom of the entity is off an edge that
3313 is not a staircase.
3314
3315 =============
3316 */
3317 qboolean CL_CheckBottom (prvm_edict_t *ent)
3318 {
3319         vec3_t  mins, maxs, start, stop;
3320         trace_t trace;
3321         int             x, y;
3322         float   mid, bottom;
3323
3324         VectorAdd (ent->fields.client->origin, ent->fields.client->mins, mins);
3325         VectorAdd (ent->fields.client->origin, ent->fields.client->maxs, maxs);
3326
3327 // if all of the points under the corners are solid world, don't bother
3328 // with the tougher checks
3329 // the corners must be within 16 of the midpoint
3330         start[2] = mins[2] - 1;
3331         for     (x=0 ; x<=1 ; x++)
3332                 for     (y=0 ; y<=1 ; y++)
3333                 {
3334                         start[0] = x ? maxs[0] : mins[0];
3335                         start[1] = y ? maxs[1] : mins[1];
3336                         if (!(CL_PointSuperContents(start) & (SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY)))
3337                                 goto realcheck;
3338                 }
3339
3340         return true;            // we got out easy
3341
3342 realcheck:
3343 //
3344 // check it for real...
3345 //
3346         start[2] = mins[2];
3347
3348 // the midpoint must be within 16 of the bottom
3349         start[0] = stop[0] = (mins[0] + maxs[0])*0.5;
3350         start[1] = stop[1] = (mins[1] + maxs[1])*0.5;
3351         stop[2] = start[2] - 2*sv_stepheight.value;
3352         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true);
3353
3354         if (trace.fraction == 1.0)
3355                 return false;
3356         mid = bottom = trace.endpos[2];
3357
3358 // the corners must be within 16 of the midpoint
3359         for     (x=0 ; x<=1 ; x++)
3360                 for     (y=0 ; y<=1 ; y++)
3361                 {
3362                         start[0] = stop[0] = x ? maxs[0] : mins[0];
3363                         start[1] = stop[1] = y ? maxs[1] : mins[1];
3364
3365                         trace = CL_TraceLine(start, stop, MOVE_NOMONSTERS, ent, CL_GenericHitSuperContentsMask(ent), true, false, NULL, true);
3366
3367                         if (trace.fraction != 1.0 && trace.endpos[2] > bottom)
3368                                 bottom = trace.endpos[2];
3369                         if (trace.fraction == 1.0 || mid - trace.endpos[2] > sv_stepheight.value)
3370                                 return false;
3371                 }
3372
3373         return true;
3374 }
3375
3376 /*
3377 =============
3378 CL_movestep
3379
3380 Called by monster program code.
3381 The move will be adjusted for slopes and stairs, but if the move isn't
3382 possible, no move is done and false is returned
3383 =============
3384 */
3385</