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