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1 /*
2 ===========================================================================
3
4   CLIENT WEAPONSYSTEM CODE
5   Bring back W_Weaponframe
6
7 ===========================================================================
8 */
9
10 .float weapon_frametime;
11
12 float W_WeaponRateFactor()
13 {
14         float t;
15         t = 1.0 / g_weaponratefactor;
16
17         if(g_runematch)
18         {
19                 if(self.runes & RUNE_SPEED)
20                 {
21                         if(self.runes & CURSE_SLOW)
22                                 t = t * autocvar_g_balance_rune_speed_combo_atkrate;
23                         else
24                                 t = t * autocvar_g_balance_rune_speed_atkrate;
25                 }
26                 else if(self.runes & CURSE_SLOW)
27                 {
28                         t = t * autocvar_g_balance_curse_slow_atkrate;
29                 }
30         }
31
32         return t;
33 }
34
35 void W_SwitchWeapon_Force(entity e, float w)
36 {
37         e.cnt = e.switchweapon;
38         e.switchweapon = w;
39         e.selectweapon = w;
40 }
41
42 .float antilag_debug;
43
44 // VorteX: static frame globals
45 float WFRAME_DONTCHANGE = -1;
46 float WFRAME_FIRE1 = 0;
47 float WFRAME_FIRE2 = 1;
48 float WFRAME_IDLE = 2;
49 float WFRAME_RELOAD = 3;
50 .float wframe;
51
52 void(float fr, float t, void() func) weapon_thinkf;
53
54 vector W_HitPlotUnnormalizedUntransform(vector screenforward, vector screenright, vector screenup, vector v)
55 {
56         vector ret;
57         ret_x = screenright * v;
58         ret_y = screenup * v;
59         ret_z = screenforward * v;
60         return ret;
61 }
62
63 vector W_HitPlotNormalizedUntransform(vector org, entity targ, vector screenforward, vector screenright, vector screenup, vector v)
64 {
65         float i, j, k;
66         vector mi, ma, thisv, myv, ret;
67
68         myv = W_HitPlotUnnormalizedUntransform(screenforward, screenright, screenup, org);
69
70         // x = 0..1 relative to hitbox; y = 0..1 relative to hitbox; z = distance
71
72         for(i = 0; i < 2; ++i) for(j = 0; j < 2; ++j) for(k = 0; k < 2; ++k)
73         {
74                 thisv = targ.origin;
75                 if(i) thisv_x += targ.maxs_x; else thisv_x += targ.mins_x;
76                 if(j) thisv_y += targ.maxs_y; else thisv_y += targ.mins_y;
77                 if(k) thisv_z += targ.maxs_z; else thisv_z += targ.mins_z;
78                 thisv = W_HitPlotUnnormalizedUntransform(screenforward, screenright, screenup, thisv);
79                 if(i || j || k)
80                 {
81                         if(mi_x > thisv_x) mi_x = thisv_x; if(ma_x < thisv_x) ma_x = thisv_x;
82                         if(mi_y > thisv_y) mi_y = thisv_y; if(ma_y < thisv_y) ma_y = thisv_y;
83                         //if(mi_z > thisv_z) mi_z = thisv_z; if(ma_z < thisv_z) ma_y = thisv_z;
84                 }
85                 else
86                 {
87                         // first run
88                         mi = ma = thisv;
89                 }
90         }
91
92         thisv = W_HitPlotUnnormalizedUntransform(screenforward, screenright, screenup, v);
93         ret_x = (thisv_x - mi_x) / (ma_x - mi_x);
94         ret_y = (thisv_y - mi_y) / (ma_y - mi_y);
95         ret_z = thisv_z - myv_z;
96         return ret;
97 }
98
99 void W_HitPlotAnalysis(entity player, vector screenforward, vector screenright, vector screenup)
100 {
101         vector hitplot;
102         vector org;
103         float lag;
104
105         if(player.hitplotfh >= 0)
106         {
107                 lag = ANTILAG_LATENCY(player);
108                 if(lag < 0.001)
109                         lag = 0;
110                 if(clienttype(player) != CLIENTTYPE_REAL)
111                         lag = 0; // only antilag for clients
112
113                 org = player.origin + player.view_ofs;
114                 traceline_antilag_force(player, org, org + screenforward * MAX_SHOT_DISTANCE, MOVE_NORMAL, player, lag);
115                 if(trace_ent.flags & FL_CLIENT)
116                 {
117                         antilag_takeback(trace_ent, time - lag);
118                         hitplot = W_HitPlotNormalizedUntransform(org, trace_ent, screenforward, screenright, screenup, trace_endpos);
119                         antilag_restore(trace_ent);
120                         fputs(player.hitplotfh, strcat(ftos(hitplot_x), " ", ftos(hitplot_y), " ", ftos(hitplot_z), " ", ftos(player.switchweapon), "\n"));
121                         //print(strcat(ftos(hitplot_x), " ", ftos(hitplot_y), " ", ftos(hitplot_z), "\n"));
122                 }
123         }
124 }
125
126 vector w_shotorg;
127 vector w_shotdir;
128 vector w_shotend;
129
130 // this function calculates w_shotorg and w_shotdir based on the weapon model
131 // offset, trueaim and antilag, and won't put w_shotorg inside a wall.
132 // make sure you call makevectors first (FIXME?)
133 .float prevstrengthsound;
134 .float prevstrengthsoundattempt;
135 void W_SetupShot_Dir_ProjectileSize_Range(entity ent, vector s_forward, vector mi, vector ma, float antilag, float recoil, string snd, float chan, float maxdamage, float range)
136 {
137         float nudge = 1; // added to traceline target and subtracted from result
138         local float oldsolid;
139         vector vecs, dv;
140         oldsolid = ent.dphitcontentsmask;
141         if(ent.weapon == WEP_SNIPERRIFLE)
142                 ent.dphitcontentsmask = DPCONTENTS_BODY | DPCONTENTS_CORPSE;
143         else
144                 ent.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
145         if(antilag)
146                 WarpZone_traceline_antilag(world, ent.origin + ent.view_ofs, ent.origin + ent.view_ofs + s_forward * range, MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
147                 // passing world, because we do NOT want it to touch dphitcontentsmask
148         else
149                 WarpZone_TraceLine(ent.origin + ent.view_ofs, ent.origin + ent.view_ofs + s_forward * range, MOVE_NOMONSTERS, ent);
150         ent.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
151
152         vector vf, vr, vu;
153         vf = v_forward;
154         vr = v_right;
155         vu = v_up;
156         w_shotend = WarpZone_UnTransformOrigin(WarpZone_trace_transform, trace_endpos); // warpzone support
157         v_forward = vf;
158         v_right = vr;
159         v_up = vu;
160
161         // un-adjust trueaim if shotend is too close
162         if(vlen(w_shotend - (ent.origin + ent.view_ofs)) < autocvar_g_trueaim_minrange)
163                 w_shotend = ent.origin + ent.view_ofs + s_forward * autocvar_g_trueaim_minrange;
164
165         // track max damage
166         if(accuracy_canbegooddamage(ent))
167                 accuracy_add(ent, ent.weapon, maxdamage, 0);
168
169         W_HitPlotAnalysis(ent, v_forward, v_right, v_up);
170
171         if(ent.weaponentity.movedir_x > 0)
172                 vecs = ent.weaponentity.movedir;
173         else
174                 vecs = '0 0 0';
175         if(debug_shotorg != '0 0 0')
176                 vecs = debug_shotorg;
177
178         dv = v_right * -vecs_y + v_up * vecs_z;
179         w_shotorg = ent.origin + ent.view_ofs + dv;
180
181         // now move the shotorg forward as much as requested if possible
182         if(antilag)
183         {
184                 if(ent.antilag_debug)
185                         tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + v_forward * (vecs_x + nudge), MOVE_NORMAL, ent, ent.antilag_debug);
186                 else
187                         tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + v_forward * (vecs_x + nudge), MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
188         }
189         else
190                 tracebox(w_shotorg, mi, ma, w_shotorg + v_forward * (vecs_x + nudge), MOVE_NORMAL, ent);
191         w_shotorg = trace_endpos - v_forward * nudge;
192         // calculate the shotdir from the chosen shotorg
193         w_shotdir = normalize(w_shotend - w_shotorg);
194
195         if (antilag)
196         if (!ent.cvar_cl_noantilag)
197         {
198                 if (autocvar_g_antilag == 1) // switch to "ghost" if not hitting original
199                 {
200                         traceline(w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent);
201                         if (!trace_ent.takedamage)
202                         {
203                                 traceline_antilag_force (ent, w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
204                                 if (trace_ent.takedamage && trace_ent.classname == "player")
205                                 {
206                                         entity e;
207                                         e = trace_ent;
208                                         traceline(w_shotorg, e.origin, MOVE_NORMAL, ent);
209                                         if(trace_ent == e)
210                                                 w_shotdir = normalize(trace_ent.origin - w_shotorg);
211                                 }
212                         }
213                 }
214                 else if(autocvar_g_antilag == 3) // client side hitscan
215                 {
216                         // this part MUST use prydon cursor
217                         if (ent.cursor_trace_ent)                 // client was aiming at someone
218                         if (ent.cursor_trace_ent != ent)         // just to make sure
219                         if (ent.cursor_trace_ent.takedamage)      // and that person is killable
220                         if (ent.cursor_trace_ent.classname == "player") // and actually a player
221                         {
222                                 // verify that the shot would miss without antilag
223                                 // (avoids an issue where guns would always shoot at their origin)
224                                 traceline(w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent);
225                                 if (!trace_ent.takedamage)
226                                 {
227                                         // verify that the shot would hit if altered
228                                         traceline(w_shotorg, ent.cursor_trace_ent.origin, MOVE_NORMAL, ent);
229                                         if (trace_ent == ent.cursor_trace_ent)
230                                                 w_shotdir = normalize(ent.cursor_trace_ent.origin - w_shotorg);
231                                         else
232                                                 print("antilag fail\n");
233                                 }
234                         }
235                 }
236         }
237
238         ent.dphitcontentsmask = oldsolid; // restore solid type (generally SOLID_SLIDEBOX)
239
240         if (!g_norecoil)
241                 ent.punchangle_x = recoil * -1;
242
243         if (snd != "")
244                 sound (ent, chan, snd, VOL_BASE, ATTN_NORM);
245
246         if(ent.items & IT_STRENGTH)
247         if(!g_minstagib)
248         if(
249                 (time > ent.prevstrengthsound + autocvar_sv_strengthsound_antispam_time)
250                 ||
251                 (time > ent.prevstrengthsoundattempt + autocvar_sv_strengthsound_antispam_refire_threshold)
252         ) // prevent insane sound spam
253         {
254                 sound(ent, CHAN_AUTO, "weapons/strength_fire.wav", VOL_BASE, ATTN_NORM);
255                 ent.prevstrengthsound = time;
256         }
257         ent.prevstrengthsoundattempt = time;
258
259         // nudge w_shotend so a trace to w_shotend hits
260         w_shotend = w_shotend + normalize(w_shotend - w_shotorg) * nudge;
261 };
262
263 #define W_SetupShot_Dir_ProjectileSize(ent,s_forward,mi,ma,antilag,recoil,snd,chan,maxdamage) W_SetupShot_Dir_ProjectileSize_Range(ent, s_forward, mi, ma, antilag, recoil, snd, chan, maxdamage, MAX_SHOT_DISTANCE)
264 #define W_SetupShot_ProjectileSize(ent,mi,ma,antilag,recoil,snd,chan,maxdamage) W_SetupShot_Dir_ProjectileSize(ent, v_forward, mi, ma, antilag, recoil, snd, chan, maxdamage)
265 #define W_SetupShot_Dir(ent,s_forward,antilag,recoil,snd,chan,maxdamage) W_SetupShot_Dir_ProjectileSize(ent, s_forward, '0 0 0', '0 0 0', antilag, recoil, snd, chan, maxdamage)
266 #define W_SetupShot(ent,antilag,recoil,snd,chan,maxdamage) W_SetupShot_ProjectileSize(ent, '0 0 0', '0 0 0', antilag, recoil, snd, chan, maxdamage)
267 #define W_SetupShot_Range(ent,antilag,recoil,snd,chan,maxdamage,range) W_SetupShot_Dir_ProjectileSize_Range(ent, v_forward, '0 0 0', '0 0 0', antilag, recoil, snd, chan, maxdamage, range)
268
269 float CL_Weaponentity_CustomizeEntityForClient()
270 {
271         self.viewmodelforclient = self.owner;
272         if(other.classname == "spectator")
273                 if(other.enemy == self.owner)
274                         self.viewmodelforclient = other;
275         return TRUE;
276 }
277
278 float qcweaponanimation;
279 vector weapon_offset = '0 -10 0';
280 vector weapon_adjust = '10 0 -15';
281 .vector weapon_morph0origin;
282 .vector weapon_morph0angles;
283 .float  weapon_morph0time;
284 .vector weapon_morph1origin;
285 .vector weapon_morph1angles;
286 .float  weapon_morph1time;
287 .vector weapon_morph2origin;
288 .vector weapon_morph2angles;
289 .float  weapon_morph2time;
290 .vector weapon_morph3origin;
291 .vector weapon_morph3angles;
292 .float  weapon_morph3time;
293 .vector weapon_morph4origin;
294 .vector weapon_morph4angles;
295 .float  weapon_morph4time;
296 .string weaponname;
297 #define QCWEAPONANIMATION_ORIGIN(e) ((weapon_offset_x + e.view_ofs_x) * v_forward - (weapon_offset_y + e.view_ofs_y) * v_right + (weapon_offset_z + e.view_ofs_z) * v_up + weapon_adjust)
298
299 /*
300  * supported formats:
301  *
302  * 1. simple animated model, muzzle flash handling on h_ model:
303  *    h_tuba.dpm, h_tuba.dpm.framegroups - invisible model controlling the animation
304  *      tags:
305  *        shot = muzzle end (shot origin, also used for muzzle flashes)
306  *        shell = casings ejection point (must be on the right hand side of the gun)
307  *        weapon = attachment for v_tuba.md3
308  *    v_tuba.md3 - first and third person model
309  *    g_tuba.md3 - pickup model
310  *
311  * 2. simple animated model, muzzle flash handling on v_ model:
312  *    h_tuba.dpm, h_tuba.dpm.framegroups - invisible model controlling the animation
313  *      tags:
314  *        weapon = attachment for v_tuba.md3
315  *    v_tuba.md3 - first and third person model
316  *      tags:
317  *        shot = muzzle end (shot origin, also used for muzzle flashes)
318  *        shell = casings ejection point (must be on the right hand side of the gun)
319  *    g_tuba.md3 - pickup model
320  *
321  * 3. fully animated model, muzzle flash handling on h_ model:
322  *    h_tuba.dpm, h_tuba.dpm.framegroups - animated first person model
323  *      tags:
324  *        shot = muzzle end (shot origin, also used for muzzle flashes)
325  *        shell = casings ejection point (must be on the right hand side of the gun)
326  *        handle = corresponding to the origin of v_tuba.md3 (used for muzzle flashes)
327  *    v_tuba.md3 - third person model
328  *    g_tuba.md3 - pickup model
329  *
330  * 4. fully animated model, muzzle flash handling on v_ model:
331  *    h_tuba.dpm, h_tuba.dpm.framegroups - animated first person model
332  *      tags:
333  *        shot = muzzle end (shot origin)
334  *        shell = casings ejection point (must be on the right hand side of the gun)
335  *    v_tuba.md3 - third person model
336  *      tags:
337  *        shot = muzzle end (for muzzle flashes)
338  *    g_tuba.md3 - pickup model
339  */
340
341 // writes:
342 //   self.origin, self.angles
343 //   self.weaponentity
344 //   self.movedir, self.view_ofs
345 //   attachment stuff
346 //   anim stuff
347 // to free:
348 //   call again with ""
349 //   remove the ent
350 void CL_WeaponEntity_SetModel(string name)
351 {
352         string animfilename;
353         float animfile;
354         float v_shot_idx;
355         if (name != "")
356         {
357                 // if there is a child entity, hide it until we're sure we use it
358                 if (self.weaponentity)
359                         self.weaponentity.model = "";
360                 setmodel(self, strcat("models/weapons/v_", name, ".md3")); // precision set below
361                 v_shot_idx = gettagindex(self, "shot"); // used later
362                 if(!v_shot_idx)
363                         v_shot_idx = gettagindex(self, "tag_shot");
364
365                 if(qcweaponanimation)
366                 {
367                         self.angles = '0 0 0';
368                         makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
369                         self.movedir = weapon_offset_x * v_forward - weapon_offset_y * v_right + weapon_offset_z * v_up + weapon_adjust;
370                         self.movedir_x += 32;
371                         self.spawnorigin = self.movedir;
372                         // oldorigin - not calculated here
373                 }
374                 else
375                 {
376                         setmodel(self, strcat("models/weapons/h_", name, ".iqm")); // precision set below
377                         animfilename = strcat("models/weapons/h_", name, ".iqm.animinfo");
378                         animfile = fopen(animfilename, FILE_READ);
379                         // preset some defaults that work great for renamed zym files (which don't need an animinfo)
380                         self.anim_fire1  = '0 1 0.01';
381                         self.anim_fire2  = '1 1 0.01';
382                         self.anim_idle   = '2 1 0.01';
383                         self.anim_reload = '3 1 0.01';
384                         if (animfile >= 0)
385                         {
386                                 animparseerror = FALSE;
387                                 self.anim_fire1  = animparseline(animfile);
388                                 self.anim_fire2  = animparseline(animfile);
389                                 self.anim_idle   = animparseline(animfile);
390                                 self.anim_reload = animparseline(animfile);
391                                 fclose(animfile);
392                                 if (animparseerror)
393                                         print("Parse error in ", animfilename, ", some player animations are broken\n");
394                         }
395
396                         // if we have a "weapon" tag, let's attach the v_ model to it ("invisible hand" style model)
397                         // if we don't, this is a "real" animated model
398                         if(gettagindex(self, "weapon"))
399                         {
400                                 if (!self.weaponentity)
401                                         self.weaponentity = spawn();
402                                 setmodel(self.weaponentity, strcat("models/weapons/v_", name, ".md3")); // precision does not matter
403                                 setattachment(self.weaponentity, self, "weapon");
404                         }
405                         else if(gettagindex(self, "tag_weapon"))
406                         {
407                                 if (!self.weaponentity)
408                                         self.weaponentity = spawn();
409                                 setmodel(self.weaponentity, strcat("models/weapons/v_", name, ".md3")); // precision does not matter
410                                 setattachment(self.weaponentity, self, "tag_weapon");
411                         }
412                         else
413                         {
414                                 if(self.weaponentity)
415                                         remove(self.weaponentity);
416                                 self.weaponentity = world;
417                         }
418
419                         setorigin(self,'0 0 0');
420                         self.angles = '0 0 0';
421                         self.frame = 0;
422                         self.viewmodelforclient = world;
423
424                         float idx;
425
426                         if(v_shot_idx) // v_ model attached to invisible h_ model
427                         {
428                                 self.movedir = gettaginfo(self.weaponentity, v_shot_idx);
429                         }
430                         else
431                         {
432                                 idx = gettagindex(self, "shot");
433                                 if(!idx)
434                                         idx = gettagindex(self, "tag_shot");
435                                 if(idx)
436                                         self.movedir = gettaginfo(self, idx);
437                                 else
438                                 {
439                                         print("WARNING: weapon model ", self.model, " does not support the 'shot' tag, will display shots TOTALLY wrong\n");
440                                         self.movedir = '0 0 0';
441                                 }
442                         }
443
444                         if(self.weaponentity) // v_ model attached to invisible h_ model
445                         {
446                                 idx = gettagindex(self.weaponentity, "shell");
447                                 if(!idx)
448                                         idx = gettagindex(self.weaponentity, "tag_shell");
449                                 if(idx)
450                                         self.spawnorigin = gettaginfo(self.weaponentity, idx);
451                         }
452                         else
453                                 idx = 0;
454                         if(!idx)
455                         {
456                                 idx = gettagindex(self, "shell");
457                                 if(!idx)
458                                         idx = gettagindex(self, "tag_shell");
459                                 if(idx)
460                                         self.spawnorigin = gettaginfo(self, idx);
461                                 else
462                                 {
463                                         print("WARNING: weapon model ", self.model, " does not support the 'shell' tag, will display casings wrong\n");
464                                         self.spawnorigin = self.movedir;
465                                 }
466                         }
467
468                         if(v_shot_idx)
469                         {
470                                 self.oldorigin = '0 0 0'; // use regular attachment
471                         }
472                         else
473                         {
474                                 if(self.weaponentity)
475                                 {
476                                         idx = gettagindex(self, "weapon");
477                                         if(!idx)
478                                                 idx = gettagindex(self, "tag_weapon");
479                                 }
480                                 else
481                                 {
482                                         idx = gettagindex(self, "handle");
483                                         if(!idx)
484                                                 idx = gettagindex(self, "tag_handle");
485                                 }
486                                 if(idx)
487                                 {
488                                         self.oldorigin = self.movedir - gettaginfo(self, idx);
489                                 }
490                                 else
491                                 {
492                                         print("WARNING: weapon model ", self.model, " does not support the 'handle' tag and neither does the v_ model support the 'shot' tag, will display muzzle flashes TOTALLY wrong\n");
493                                         self.oldorigin = '0 0 0'; // there is no way to recover from this
494                                 }
495                         }
496
497                         self.viewmodelforclient = self.owner;
498                 }
499         }
500         else
501         {
502                 self.model = "";
503                 if(self.weaponentity)
504                         remove(self.weaponentity);
505                 self.weaponentity = world;
506                 self.movedir = '0 0 0';
507                 self.spawnorigin = '0 0 0';
508                 self.oldorigin = '0 0 0';
509                 self.anim_fire1  = '0 1 0.01';
510                 self.anim_fire2  = '0 1 0.01';
511                 self.anim_idle   = '0 1 0.01';
512                 self.anim_reload = '0 1 0.01';
513         }
514
515         self.view_ofs = '0 0 0';
516
517         if(self.movedir_x >= 0)
518         {
519                 vector v0;
520                 v0 = self.movedir;
521                 self.movedir = shotorg_adjust(v0, FALSE, FALSE);
522                 self.view_ofs = shotorg_adjust(v0, FALSE, TRUE) - v0;
523         }
524         self.owner.stat_shotorg = compressShotOrigin(self.movedir);
525         self.movedir = decompressShotOrigin(self.owner.stat_shotorg); // make them match perfectly
526
527         self.spawnorigin += self.view_ofs; // offset the casings origin by the same amount
528
529         // check if an instant weapon switch occurred
530         if (qcweaponanimation)
531         {
532                 if (self.state == WS_READY)
533                 {
534                         self.angles = '0 0 0';
535                         makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
536                         setorigin(self, QCWEAPONANIMATION_ORIGIN(self));
537                 }
538         }
539         else
540                 setorigin(self, self.view_ofs);
541         // reset animstate now
542         self.wframe = WFRAME_IDLE;
543         self.weapon_morph0time = 0;
544         self.weapon_morph1time = 0;
545         self.weapon_morph2time = 0;
546         self.weapon_morph3time = 0;
547         self.weapon_morph4time = 0;
548         setanim(self, self.anim_idle, TRUE, FALSE, TRUE);
549 }
550
551 vector CL_Weapon_GetShotOrg(float wpn)
552 {
553         entity wi, oldself;
554         vector ret;
555         wi = get_weaponinfo(wpn);
556         oldself = self;
557         self = spawn();
558         CL_WeaponEntity_SetModel(wi.mdl);
559         ret = self.movedir;
560         CL_WeaponEntity_SetModel("");
561         remove(self);
562         self = oldself;
563         return ret;
564 }
565
566 void CL_Weaponentity_Think()
567 {
568         float tb;
569         self.nextthink = time;
570         if (intermission_running)
571                 self.frame = self.anim_idle_x;
572         if (self.owner.weaponentity != self)
573         {
574                 if (self.weaponentity)
575                         remove(self.weaponentity);
576                 remove(self);
577                 return;
578         }
579         if (self.owner.deadflag != DEAD_NO)
580         {
581                 self.model = "";
582                 if (self.weaponentity)
583                         self.weaponentity.model = "";
584                 return;
585         }
586         if (self.cnt != self.owner.weapon || self.dmg != self.owner.modelindex || self.deadflag != self.owner.deadflag)
587         {
588                 self.cnt = self.owner.weapon;
589                 self.dmg = self.owner.modelindex;
590                 self.deadflag = self.owner.deadflag;
591
592                 CL_WeaponEntity_SetModel(self.owner.weaponname);
593         }
594
595         tb = (self.effects & (EF_TELEPORT_BIT | EF_RESTARTANIM_BIT));
596         self.effects = self.owner.effects & EFMASK_CHEAP;
597         self.effects &~= EF_LOWPRECISION;
598         self.effects &~= EF_FULLBRIGHT; // can mask team color, so get rid of it
599         self.effects &~= EF_TELEPORT_BIT;
600         self.effects &~= EF_RESTARTANIM_BIT;
601         self.effects |= tb;
602
603         if(self.owner.alpha == default_player_alpha)
604                 self.alpha = default_weapon_alpha;
605         else if(self.owner.alpha != 0)
606                 self.alpha = self.owner.alpha;
607         else
608                 self.alpha = 1;
609
610         self.glowmod = self.owner.weaponentity_glowmod;
611         self.colormap = self.owner.colormap;
612         if (self.weaponentity)
613         {
614                 self.weaponentity.effects = self.effects;
615                 self.weaponentity.alpha = self.alpha;
616                 self.weaponentity.colormap = self.colormap;
617                 self.weaponentity.glowmod = self.glowmod;
618         }
619
620         self.angles = '0 0 0';
621         local float f;
622         f = 0;
623         if (self.state == WS_RAISE && !intermission_running)
624         {
625                 f = (self.owner.weapon_nextthink - time) * g_weaponratefactor / autocvar_g_balance_weaponswitchdelay;
626                 self.angles_x = -90 * f * f;
627                 if (qcweaponanimation)
628                 {
629                         makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
630                         setorigin(self, QCWEAPONANIMATION_ORIGIN(self));
631                 }
632         }
633         else if (self.state == WS_DROP && !intermission_running)
634         {
635                 f = 1 - (self.owner.weapon_nextthink - time) * g_weaponratefactor / autocvar_g_balance_weaponswitchdelay;
636                 self.angles_x = -90 * f * f;
637                 if (qcweaponanimation)
638                 {
639                         makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
640                         setorigin(self, QCWEAPONANIMATION_ORIGIN(self));
641                 }
642         }
643         else if (self.state == WS_CLEAR)
644         {
645                 f = 1;
646                 self.angles_x = -90 * f * f;
647                 if (qcweaponanimation)
648                 {
649                         makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
650                         setorigin(self, QCWEAPONANIMATION_ORIGIN(self));
651                 }
652         }
653         else if (qcweaponanimation && time < self.owner.weapon_morph1time)
654         {
655                 f = (time - self.owner.weapon_morph0time) / (self.owner.weapon_morph1time - self.owner.weapon_morph0time);
656                 f = 1 - pow(1 - f, 3);
657                 self.angles = self.owner.weapon_morph0angles * (1 - f) + self.owner.weapon_morph1angles * f;
658                 setorigin(self, self.owner.weapon_morph0origin * (1 - f) + self.owner.weapon_morph1origin * f);
659         }
660         else if (qcweaponanimation && time < self.owner.weapon_morph2time)
661         {
662                 f = (time - self.owner.weapon_morph1time) / (self.owner.weapon_morph2time - self.owner.weapon_morph1time);
663                 f = 1 - pow(1 - f, 3);
664                 self.angles = self.owner.weapon_morph1angles * (1 - f) + self.owner.weapon_morph2angles * f;
665                 setorigin(self, self.owner.weapon_morph1origin * (1 - f) + self.owner.weapon_morph2origin * f);
666         }
667         else if (qcweaponanimation && time < self.owner.weapon_morph3time)
668         {
669                 f = (time - self.owner.weapon_morph2time) / (self.owner.weapon_morph3time - self.owner.weapon_morph2time);
670                 f = 1 - pow(1 - f, 3);
671                 self.angles = self.owner.weapon_morph2angles * (1 - f) + self.owner.weapon_morph3angles * f;
672                 setorigin(self, self.owner.weapon_morph2origin * (1 - f) + self.owner.weapon_morph3origin * f);
673         }
674         else if (qcweaponanimation && time < self.owner.weapon_morph4time)
675         {
676                 f = (time - self.owner.weapon_morph3time) / (self.owner.weapon_morph4time - self.owner.weapon_morph3time);
677                 f = 1 - pow(1 - f, 3);
678                 self.angles = self.owner.weapon_morph3angles * (1 - f) + self.owner.weapon_morph4angles * f;
679                 setorigin(self, self.owner.weapon_morph3origin * (1 - f) + self.owner.weapon_morph4origin * f);
680         }
681         else if (qcweaponanimation)
682         {
683                 // begin a new idle morph
684                 self.owner.weapon_morph0time   = time;
685                 self.owner.weapon_morph0angles = self.angles;
686                 self.owner.weapon_morph0origin = self.origin;
687
688                 float r;
689                 float t;
690
691                 r = random();
692                 if (r < 0.1)
693                 {
694                         // turn gun to the left to look at it
695                         t = 2;
696                         self.owner.weapon_morph1time   = time + t * 0.2;
697                         self.owner.weapon_morph1angles = randomvec() * 3 + '-5 30 0';
698                         makevectors(self.owner.weapon_morph1angles_x * '-1 0 0' + self.owner.weapon_morph1angles_y * '0 1 0' + self.owner.weapon_morph1angles_z * '0 0 1');
699                         self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
700
701                         self.owner.weapon_morph2time   = time + t * 0.6;
702                         self.owner.weapon_morph2angles = randomvec() * 3 + '-5 30 0';
703                         makevectors(self.owner.weapon_morph2angles_x * '-1 0 0' + self.owner.weapon_morph2angles_y * '0 1 0' + self.owner.weapon_morph2angles_z * '0 0 1');
704                         self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
705
706                         self.owner.weapon_morph3time   = time + t;
707                         self.owner.weapon_morph3angles = '0 0 0';
708                         makevectors(self.owner.weapon_morph3angles_x * '-1 0 0' + self.owner.weapon_morph3angles_y * '0 1 0' + self.owner.weapon_morph3angles_z * '0 0 1');
709                         self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
710                 }
711                 else if (r < 0.2)
712                 {
713                         // raise the gun a bit
714                         t = 2;
715                         self.owner.weapon_morph1time   = time + t * 0.2;
716                         self.owner.weapon_morph1angles = randomvec() * 3 + '30 -10 0';
717                         makevectors(self.owner.weapon_morph1angles_x * '-1 0 0' + self.owner.weapon_morph1angles_y * '0 1 0' + self.owner.weapon_morph1angles_z * '0 0 1');
718                         self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
719
720                         self.owner.weapon_morph2time   = time + t * 0.5;
721                         self.owner.weapon_morph2angles = randomvec() * 3 + '30 -10 5';
722                         makevectors(self.owner.weapon_morph2angles_x * '-1 0 0' + self.owner.weapon_morph2angles_y * '0 1 0' + self.owner.weapon_morph2angles_z * '0 0 1');
723                         self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
724
725                         self.owner.weapon_morph3time   = time + t;
726                         self.owner.weapon_morph3angles = '0 0 0';
727                         makevectors(self.owner.weapon_morph3angles_x * '-1 0 0' + self.owner.weapon_morph3angles_y * '0 1 0' + self.owner.weapon_morph3angles_z * '0 0 1');
728                         self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
729                 }
730                 else if (r < 0.3)
731                 {
732                         // tweak it a bit
733                         t = 5;
734                         self.owner.weapon_morph1time   = time + t * 0.3;
735                         self.owner.weapon_morph1angles = randomvec() * 6;
736                         makevectors(self.owner.weapon_morph1angles_x * '-1 0 0' + self.owner.weapon_morph1angles_y * '0 1 0' + self.owner.weapon_morph1angles_z * '0 0 1');
737                         self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
738
739                         self.owner.weapon_morph2time   = time + t * 0.7;
740                         self.owner.weapon_morph2angles = randomvec() * 6;
741                         makevectors(self.owner.weapon_morph2angles_x * '-1 0 0' + self.owner.weapon_morph2angles_y * '0 1 0' + self.owner.weapon_morph2angles_z * '0 0 1');
742                         self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
743
744                         self.owner.weapon_morph3time   = time + t;
745                         self.owner.weapon_morph3angles = '0 0 0';
746                         makevectors(self.owner.weapon_morph3angles_x * '-1 0 0' + self.owner.weapon_morph3angles_y * '0 1 0' + self.owner.weapon_morph3angles_z * '0 0 1');
747                         self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
748                 }
749                 else
750                 {
751                         // hold it mostly steady
752                         t = random() * 6 + 4;
753                         self.owner.weapon_morph1time   = time + t * 0.2;
754                         self.owner.weapon_morph1angles = randomvec() * 1;
755                         makevectors(self.owner.weapon_morph1angles_x * '-1 0 0' + self.owner.weapon_morph1angles_y * '0 1 0' + self.owner.weapon_morph1angles_z * '0 0 1');
756                         self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
757
758                         self.owner.weapon_morph2time   = time + t * 0.5;
759                         self.owner.weapon_morph2angles = randomvec() * 1;
760                         makevectors(self.owner.weapon_morph2angles_x * '-1 0 0' + self.owner.weapon_morph2angles_y * '0 1 0' + self.owner.weapon_morph2angles_z * '0 0 1');
761                         self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
762
763                         self.owner.weapon_morph3time   = time + t * 0.7;
764                         self.owner.weapon_morph3angles = randomvec() * 1;
765                         makevectors(self.owner.weapon_morph3angles_x * '-1 0 0' + self.owner.weapon_morph3angles_y * '0 1 0' + self.owner.weapon_morph3angles_z * '0 0 1');
766                         self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
767                 }
768
769                 self.owner.weapon_morph4time   = time + t;
770                 self.owner.weapon_morph4angles = '0 0 0';
771                 makevectors(self.owner.weapon_morph4angles_x * '-1 0 0' + self.owner.weapon_morph4angles_y * '0 1 0' + self.owner.weapon_morph4angles_z * '0 0 1');
772                 self.owner.weapon_morph4origin = QCWEAPONANIMATION_ORIGIN(self);
773
774         }
775 };
776
777 void CL_ExteriorWeaponentity_Think()
778 {
779         float tag_found;
780         vector ang;
781         self.nextthink = time;
782         if (self.owner.exteriorweaponentity != self)
783         {
784                 remove(self);
785                 return;
786         }
787         if (self.owner.deadflag != DEAD_NO)
788         {
789                 self.model = "";
790                 return;
791         }
792         if (self.cnt != self.owner.weapon || self.dmg != self.owner.modelindex || self.deadflag != self.owner.deadflag)
793         {
794                 self.cnt = self.owner.weapon;
795                 self.dmg = self.owner.modelindex;
796                 self.deadflag = self.owner.deadflag;
797                 if (self.owner.weaponname != "")
798                         setmodel(self, strcat("models/weapons/v_", self.owner.weaponname, ".md3")); // precision set below
799                 else
800                         self.model = "";
801
802                 if((tag_found = gettagindex(self.owner, "tag_weapon")))
803                 {
804                         self.tag_index = tag_found;
805                         self.tag_entity = self.owner;
806                 }
807                 else
808                         setattachment(self, self.owner, "bip01 r hand");
809
810                 // if that didn't find a tag, hide the exterior weapon model
811                 if (!self.tag_index)
812                         self.model = "";
813         }
814         self.effects = self.owner.effects;
815         if(sv_pitch_min == sv_pitch_max)
816                 self.effects |= EF_LOWPRECISION;
817         else
818                 self.effects &~= EF_LOWPRECISION;
819         self.effects = self.effects & EFMASK_CHEAP; // eat performance
820         if(self.owner.alpha == default_player_alpha)
821                 self.alpha = default_weapon_alpha;
822         else if(self.owner.alpha != 0)
823                 self.alpha = self.owner.alpha;
824         else
825                 self.alpha = 1;
826
827         ang_x = bound(sv_pitch_min, self.owner.v_angle_x, sv_pitch_max);
828         ang_y = 0;
829         ang_z = 0;
830
831         if(sv_pitch_fixyaw) // workaround for stupid player models that don't aim forward
832         {
833                 ang_y = self.owner.v_angle_y;
834                 makevectors(ang);
835                 var vector v = v_forward;
836                 var float t = self.tag_entity.frame1time;
837                 var float f = self.tag_entity.frame;
838                 self.tag_entity.frame1time = time;
839                 self.tag_entity.frame = self.tag_entity.anim_idle_x;
840                 gettaginfo(self.tag_entity, self.tag_index);
841                 self.tag_entity.frame1time = t;
842                 self.tag_entity.frame = f;
843                 // untransform v according to this coordinate space
844                 vector w;
845                 w_x = v_forward * v;
846                 w_y = -v_right * v;
847                 w_z = v_up * v;
848                 self.angles = vectoangles(w);
849         }
850         else
851         {
852                 ang_x = -/* don't ask */ang_x;
853                 self.angles = ang;
854         }
855
856         self.glowmod = self.owner.weaponentity_glowmod;
857         self.colormap = self.owner.colormap;
858 };
859
860 // spawning weaponentity for client
861 void CL_SpawnWeaponentity()
862 {
863         self.weaponentity = spawn();
864         self.weaponentity.classname = "weaponentity";
865         self.weaponentity.solid = SOLID_NOT;
866         self.weaponentity.owner = self;
867         setmodel(self.weaponentity, ""); // precision set when changed
868         setorigin(self.weaponentity, '0 0 0');
869         self.weaponentity.angles = '0 0 0';
870         self.weaponentity.viewmodelforclient = self;
871         self.weaponentity.flags = 0;
872         self.weaponentity.think = CL_Weaponentity_Think;
873         self.weaponentity.customizeentityforclient = CL_Weaponentity_CustomizeEntityForClient;
874         self.weaponentity.nextthink = time;
875
876         self.exteriorweaponentity = spawn();
877         self.exteriorweaponentity.classname = "exteriorweaponentity";
878         self.exteriorweaponentity.solid = SOLID_NOT;
879         self.exteriorweaponentity.exteriorweaponentity = self.exteriorweaponentity;
880         self.exteriorweaponentity.owner = self;
881         setorigin(self.exteriorweaponentity, '0 0 0');
882         self.exteriorweaponentity.angles = '0 0 0';
883         self.exteriorweaponentity.think = CL_ExteriorWeaponentity_Think;
884         self.exteriorweaponentity.nextthink = time;
885 };
886
887 void Send_WeaponComplain (entity e, float wpn, string wpnname, float type)
888 {
889         msg_entity = e;
890         WriteByte(MSG_ONE, SVC_TEMPENTITY);
891         WriteByte(MSG_ONE, TE_CSQC_WEAPONCOMPLAIN);
892         WriteByte(MSG_ONE, wpn);
893         WriteString(MSG_ONE, wpnname);
894         WriteByte(MSG_ONE, type);
895 }
896
897 .float hasweapon_complain_spam;
898
899 float client_hasweapon(entity cl, float wpn, float andammo, float complain)
900 {
901         local float weaponbit, f;
902         local entity oldself;
903
904         if(time < self.hasweapon_complain_spam)
905                 complain = 0;
906         if(complain)
907                 self.hasweapon_complain_spam = time + 0.2;
908
909         if (wpn < WEP_FIRST || wpn > WEP_LAST)
910         {
911                 if (complain)
912                         sprint(self, "Invalid weapon\n");
913                 return FALSE;
914         }
915         weaponbit = W_WeaponBit(wpn);
916         if (cl.weapons & weaponbit)
917         {
918                 if (andammo)
919                 {
920                         if(cl.items & IT_UNLIMITED_WEAPON_AMMO)
921                         {
922                                 f = 1;
923                         }
924                         else
925                         {
926                                 oldself = self;
927                                 self = cl;
928                                 f = weapon_action(wpn, WR_CHECKAMMO1);
929                                 f = f + weapon_action(wpn, WR_CHECKAMMO2);
930
931                                 // always allow selecting the Mine Layer if we placed mines, so that we can detonate them
932                                 local entity mine;
933                                 if(wpn == WEP_MINE_LAYER)
934                                 for(mine = world; (mine = find(mine, classname, "mine")); ) if(mine.owner == self)
935                                         f = 1;
936
937                                 self = oldself;
938                         }
939                         if (!f)
940                         {
941                                 if (complain)
942                                 if(clienttype(cl) == CLIENTTYPE_REAL)
943                                 {
944                                         play2(cl, "weapons/unavailable.wav");
945                                         sprint(cl, strcat("You don't have any ammo for the ^2", W_Name(wpn), "\n"));
946                                         Send_WeaponComplain (cl, wpn, W_Name(wpn), 0);
947                                 }
948                                 return FALSE;
949                         }
950                 }
951                 return TRUE;
952         }
953         if (complain)
954         {
955                 // DRESK - 3/16/07
956                 // Report Proper Weapon Status / Modified Weapon Ownership Message
957                 if(weaponsInMap & weaponbit)
958                 {
959                         sprint(cl, strcat("You do not have the ^2", W_Name(wpn), "\n") );
960                         Send_WeaponComplain (cl, wpn, W_Name(wpn), 1);
961
962                         if(autocvar_g_showweaponspawns)
963                         {
964                                 entity e;
965                                 string s;
966
967                                 e = get_weaponinfo(wpn);
968                                 s = e.model2;
969
970                                 for(e = world; (e = findfloat(e, weapons, weaponbit)); )
971                                 {
972                                         if(e.classname == "droppedweapon")
973                                                 continue;
974                                         if not(e.flags & FL_ITEM)
975                                                 continue;
976                                         WaypointSprite_Spawn(
977                                                 s,
978                                                 1, 0,
979                                                 world, e.origin,
980                                                 self, 0,
981                                                 world, enemy,
982                                                 0
983                                         );
984                                 }
985                         }
986                 }
987                 else
988                 {
989                         Send_WeaponComplain (cl, wpn, W_Name(wpn), 2);
990                         sprint(cl, strcat("The ^2", W_Name(wpn), "^7 is ^1NOT AVAILABLE^7 in this map\n") );
991                 }
992
993                 play2(cl, "weapons/unavailable.wav");
994         }
995         return FALSE;
996 };
997
998 // Weapon subs
999 void w_clear()
1000 {
1001         if (self.weapon != -1)
1002                 self.weapon = 0;
1003         if (self.weaponentity)
1004         {
1005                 self.weaponentity.state = WS_CLEAR;
1006                 self.weaponentity.effects = 0;
1007         }
1008 };
1009
1010 void w_ready()
1011 {
1012         if (self.weaponentity)
1013                 self.weaponentity.state = WS_READY;
1014         weapon_thinkf(WFRAME_IDLE, 1000000, w_ready);
1015 };
1016
1017 // Setup weapon for client (after this raise frame will be launched)
1018 void weapon_setup(float windex)
1019 {
1020         entity e;
1021         qcweaponanimation = autocvar_sv_qcweaponanimation;
1022         e = get_weaponinfo(windex);
1023         self.items &~= IT_AMMO;
1024         self.items = self.items | e.items;
1025
1026         // the two weapon entities will notice this has changed and update their models
1027         self.weapon = windex;
1028         self.weaponname = e.mdl;
1029         self.bulletcounter = 0;
1030 };
1031
1032 // perform weapon to attack (weaponstate and attack_finished check is here)
1033 void W_SwitchToOtherWeapon(entity pl)
1034 {
1035         // hack to ensure it switches to an OTHER weapon (in case the other fire mode still has ammo, we want that anyway)
1036         float w, ww;
1037         w = W_WeaponBit(pl.weapon);
1038         pl.weapons &~= w;
1039         ww = w_getbestweapon(pl);
1040         pl.weapons |= w;
1041         if(ww)
1042                 W_SwitchWeapon_Force(pl, ww);
1043 }
1044 .float prevdryfire;
1045 float weapon_prepareattack_checkammo(float secondary)
1046 {
1047         if not(self.items & IT_UNLIMITED_WEAPON_AMMO)
1048         if (!weapon_action(self.weapon, WR_CHECKAMMO1 + secondary))
1049         {
1050                 // always keep the Mine Layer if we placed mines, so that we can detonate them
1051                 local entity mine;
1052                 if(self.weapon == WEP_MINE_LAYER)
1053                 for(mine = world; (mine = find(mine, classname, "mine")); ) if(mine.owner == self)
1054                         return FALSE;
1055
1056                 if(self.weapon == self.switchweapon && time - self.prevdryfire > 1) // only play once BEFORE starting to switch weapons
1057                 {
1058                         sound (self, CHAN_AUTO, "weapons/dryfire.wav", VOL_BASE, ATTN_NORM);
1059                         self.prevdryfire = time;
1060                 }
1061
1062                 W_SwitchToOtherWeapon(self);
1063                 return FALSE;
1064         }
1065         return TRUE;
1066 }
1067 .float race_penalty;
1068 float weapon_prepareattack_check(float secondary, float attacktime)
1069 {
1070         if(!weapon_prepareattack_checkammo(secondary))
1071                 return FALSE;
1072
1073         //if sv_ready_restart_after_countdown is set, don't allow the player to shoot
1074         //if all players readied up and the countdown is running
1075         if(time < game_starttime || time < self.race_penalty) {
1076                 return FALSE;
1077         }
1078
1079         if (timeoutStatus == 2) //don't allow the player to shoot while game is paused
1080                 return FALSE;
1081
1082         // do not even think about shooting if switching
1083         if(self.switchweapon != self.weapon)
1084                 return FALSE;
1085
1086         if(attacktime >= 0)
1087         {
1088                 // don't fire if previous attack is not finished
1089                 if (ATTACK_FINISHED(self) > time + self.weapon_frametime * 0.5)
1090                         return FALSE;
1091                 // don't fire while changing weapon
1092                 if (self.weaponentity.state != WS_READY)
1093                         return FALSE;
1094         }
1095
1096         return TRUE;
1097 }
1098 float weapon_prepareattack_do(float secondary, float attacktime)
1099 {
1100         self.weaponentity.state = WS_INUSE;
1101
1102         self.spawnshieldtime = min(self.spawnshieldtime, time); // kill spawn shield when you fire
1103
1104         // if the weapon hasn't been firing continuously, reset the timer
1105         if(attacktime >= 0)
1106         {
1107                 if (ATTACK_FINISHED(self) < time - self.weapon_frametime * 1.5)
1108                 {
1109                         ATTACK_FINISHED(self) = time;
1110                         //dprint("resetting attack finished to ", ftos(time), "\n");
1111                 }
1112                 ATTACK_FINISHED(self) = ATTACK_FINISHED(self) + attacktime * W_WeaponRateFactor();
1113         }
1114         self.bulletcounter += 1;
1115         //dprint("attack finished ", ftos(ATTACK_FINISHED(self)), "\n");
1116         return TRUE;
1117 }
1118 float weapon_prepareattack(float secondary, float attacktime)
1119 {
1120         if(weapon_prepareattack_check(secondary, attacktime))
1121         {
1122                 weapon_prepareattack_do(secondary, attacktime);
1123                 return TRUE;
1124         }
1125         else
1126                 return FALSE;
1127 }
1128
1129 void weapon_thinkf(float fr, float t, void() func)
1130 {
1131         vector a;
1132         vector of, or, ou;
1133         float restartanim;
1134
1135         if(fr == WFRAME_DONTCHANGE)
1136         {
1137                 fr = self.weaponentity.wframe;
1138                 restartanim = FALSE;
1139         }
1140         else if (fr == WFRAME_IDLE)
1141                 restartanim = FALSE;
1142         else
1143                 restartanim = TRUE;
1144
1145         of = v_forward;
1146         or = v_right;
1147         ou = v_up;
1148
1149         if (self.weaponentity)
1150         {
1151                 self.weaponentity.wframe = fr;
1152                 if (qcweaponanimation)
1153                 {
1154                         if (fr != WFRAME_IDLE)
1155                         {
1156                                 self.weapon_morph0time = time;
1157                                 self.weapon_morph0angles = self.weaponentity.angles;
1158                                 self.weapon_morph0origin = self.weaponentity.origin;
1159
1160                                 self.weapon_morph1angles = '0 0 0';
1161                                 self.weapon_morph1time = time + t;
1162                                 makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1163                                 self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1164
1165                                 self.weapon_morph2angles = '0 0 0';
1166                                 self.weapon_morph2time = time + t;
1167                                 makevectors(self.weapon_morph2angles_x * '-1 0 0' + self.weapon_morph2angles_y * '0 1 0' + self.weapon_morph2angles_z * '0 0 1');
1168                                 self.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1169
1170                                 self.weapon_morph3angles = '0 0 0';
1171                                 self.weapon_morph3time = time + t;
1172                                 makevectors(self.weapon_morph3angles_x * '-1 0 0' + self.weapon_morph3angles_y * '0 1 0' + self.weapon_morph3angles_z * '0 0 1');
1173                                 self.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1174
1175                                 self.weapon_morph4angles = '0 0 0';
1176                                 self.weapon_morph4time = time + t;
1177                                 makevectors(self.weapon_morph4angles_x * '-1 0 0' + self.weapon_morph4angles_y * '0 1 0' + self.weapon_morph4angles_z * '0 0 1');
1178                                 self.weapon_morph4origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1179
1180                                 if (fr == WFRAME_FIRE1)
1181                                 {
1182                                         self.weapon_morph1angles = '5 0 0';
1183                                         self.weapon_morph1time = time + t * 0.1;
1184                                         makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1185                                         self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1186                                         self.weapon_morph4time = time + t + 1; // delay idle effect
1187                                 }
1188                                 else if (fr == WFRAME_FIRE2)
1189                                 {
1190                                         self.weapon_morph1angles = '10 0 0';
1191                                         self.weapon_morph1time = time + t * 0.1;
1192                                         makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1193                                         self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1194                                         self.weapon_morph4time = time + t + 1; // delay idle effect
1195                                 }
1196                                 else if (fr == WFRAME_RELOAD)
1197                                 {
1198                                         self.weapon_morph1time = time + t * 0.05;
1199                                         self.weapon_morph1angles = '-10 40 0';
1200                                         makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1201                                         self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1202
1203                                         self.weapon_morph2time = time + t * 0.15;
1204                                         self.weapon_morph2angles = '-10 40 5';
1205                                         makevectors(self.weapon_morph2angles_x * '-1 0 0' + self.weapon_morph2angles_y * '0 1 0' + self.weapon_morph2angles_z * '0 0 1');
1206                                         self.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1207
1208                                         self.weapon_morph3time = time + t * 0.25;
1209                                         self.weapon_morph3angles = '-10 40 0';
1210                                         makevectors(self.weapon_morph3angles_x * '-1 0 0' + self.weapon_morph3angles_y * '0 1 0' + self.weapon_morph3angles_z * '0 0 1');
1211                                         self.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1212                                 }
1213                         }
1214                 }
1215                 else
1216                 {
1217                         if (fr == WFRAME_IDLE)
1218                                 a = self.weaponentity.anim_idle;
1219                         else if (fr == WFRAME_FIRE1)
1220                                 a = self.weaponentity.anim_fire1;
1221                         else if (fr == WFRAME_FIRE2)
1222                                 a = self.weaponentity.anim_fire2;
1223                         else if (fr == WFRAME_RELOAD)
1224                                 a = self.weaponentity.anim_reload;
1225                         a_z *= g_weaponratefactor;
1226                         setanim(self.weaponentity, a, restartanim == FALSE, restartanim, restartanim);
1227                 }
1228         }
1229
1230         v_forward = of;
1231         v_right = or;
1232         v_up = ou;
1233
1234         if(self.weapon_think == w_ready && func != w_ready && self.weaponentity.state == WS_RAISE)
1235         {
1236                 backtrace("Tried to override initial weapon think function - should this really happen?");
1237         }
1238
1239         t *= W_WeaponRateFactor();
1240
1241         // VorteX: haste can be added here
1242         if (self.weapon_think == w_ready)
1243         {
1244                 self.weapon_nextthink = time;
1245                 //dprint("started firing at ", ftos(time), "\n");
1246         }
1247         if (self.weapon_nextthink < time - self.weapon_frametime * 1.5 || self.weapon_nextthink > time + self.weapon_frametime * 1.5)
1248         {
1249                 self.weapon_nextthink = time;
1250                 //dprint("reset weapon animation timer at ", ftos(time), "\n");
1251         }
1252         self.weapon_nextthink = self.weapon_nextthink + t;
1253         self.weapon_think = func;
1254         //dprint("next ", ftos(self.weapon_nextthink), "\n");
1255
1256         if (restartanim)
1257         if (t)
1258         if (!self.crouch) // shoot anim stands up, this looks bad
1259         {
1260                 local vector anim;
1261                 anim = self.anim_shoot;
1262                 anim_z = anim_y / (t + sys_frametime);
1263                 setanim(self, anim, FALSE, TRUE, TRUE);
1264         }
1265 };
1266
1267 void weapon_boblayer1(float spd, vector org)
1268 {
1269         // VorteX: haste can be added here
1270 };
1271
1272 vector W_CalculateProjectileVelocity(vector pvelocity, vector mvelocity, float forceAbsolute)
1273 {
1274         vector mdirection;
1275         float mspeed;
1276         float outspeed;
1277         float nstyle;
1278         vector outvelocity;
1279
1280         mvelocity = mvelocity * g_weaponspeedfactor;
1281
1282         mdirection = normalize(mvelocity);
1283         mspeed = vlen(mvelocity);
1284
1285         nstyle = autocvar_g_projectiles_newton_style;
1286         if(nstyle == 0 || forceAbsolute)
1287         {
1288                 // absolute velocity
1289                 outvelocity = mvelocity;
1290         }
1291         else if(nstyle == 1)
1292         {
1293                 // true Newtonian projectiles
1294                 outvelocity = pvelocity + mvelocity;
1295         }
1296         else if(nstyle == 2)
1297         {
1298                 // true Newtonian projectiles with automatic aim adjustment
1299                 //
1300                 // solve: |outspeed * mdirection - pvelocity| = mspeed
1301                 // outspeed^2 - 2 * outspeed * (mdirection * pvelocity) + pvelocity^2 - mspeed^2 = 0
1302                 // outspeed = (mdirection * pvelocity) +- sqrt((mdirection * pvelocity)^2 - pvelocity^2 + mspeed^2)
1303                 // PLUS SIGN!
1304                 // not defined?
1305                 // then...
1306                 // pvelocity^2 - (mdirection * pvelocity)^2 > mspeed^2
1307                 // velocity without mdirection component > mspeed
1308                 // fire at smallest possible mspeed that works?
1309                 // |(mdirection * pvelocity) * pvelocity - pvelocity| = mspeed
1310
1311                 vector solution;
1312                 solution = solve_quadratic(1, -2 * (mdirection * pvelocity), pvelocity * pvelocity - mspeed * mspeed);
1313                 if(solution_z)
1314                         outspeed = solution_y; // the larger one
1315                 else
1316                 {
1317                         //outspeed = 0; // slowest possible shot
1318                         outspeed = solution_x; // the real part (that is, the average!)
1319                         //dprint("impossible shot, adjusting\n");
1320                 }
1321
1322                 outspeed = bound(mspeed * autocvar_g_projectiles_newton_style_2_minfactor, outspeed, mspeed * autocvar_g_projectiles_newton_style_2_maxfactor);
1323                 outvelocity = mdirection * outspeed;
1324         }
1325         else if(nstyle == 3)
1326         {
1327                 // pseudo-Newtonian:
1328                 outspeed = mspeed + mdirection * pvelocity;
1329                 outspeed = bound(mspeed * 0.7, outspeed, mspeed * 5.0);
1330                 outvelocity = mdirection * outspeed;
1331         }
1332         else if(nstyle == 4)
1333         {
1334                 // tZorkian:
1335                 outspeed = mspeed + vlen(pvelocity);
1336                 outvelocity = mdirection * outspeed;
1337         }
1338         else
1339                 error("g_projectiles_newton_style must be 0 (absolute), 1 (Newtonian), 2 (Newtonian + aimfix), 3 (pseudo Newtonian) or 4 (tZorkian)!");
1340
1341         return outvelocity;
1342 }
1343
1344 void W_AttachToShotorg(entity flash, vector offset)
1345 {
1346         entity xflash;
1347         flash.owner = self;
1348         flash.angles_z = random() * 360;
1349         if(qcweaponanimation)
1350         {
1351                 setorigin(flash, w_shotorg + w_shotdir * 50);
1352                 flash.angles = vectoangles(w_shotdir);
1353                 flash.angles_z = random() * 360;
1354         }
1355         else
1356         {
1357                 if(gettagindex(self.weaponentity, "shot"))
1358                         setattachment(flash, self.weaponentity, "shot");
1359                 else
1360                         setattachment(flash, self.weaponentity, "tag_shot");
1361                 setorigin(flash, offset);
1362
1363                 xflash = spawn();
1364                 copyentity(flash, xflash);
1365
1366                 flash.viewmodelforclient = self;
1367
1368                 if(self.weaponentity.oldorigin_x > 0)
1369                 {
1370                         setattachment(xflash, self.exteriorweaponentity, "");
1371                         setorigin(xflash, self.weaponentity.oldorigin + offset);
1372                 }
1373                 else
1374                 {
1375                         if(gettagindex(self.exteriorweaponentity, "shot"))
1376                                 setattachment(xflash, self.exteriorweaponentity, "shot");
1377                         else
1378                                 setattachment(xflash, self.exteriorweaponentity, "tag_shot");
1379                         setorigin(xflash, offset);
1380                 }
1381         }
1382 }
1383
1384 vector cliptoplane(vector v, vector p)
1385 {
1386         return v - (v * p) * p;
1387 }
1388
1389 vector solve_cubic_pq(float p, float q)
1390 {
1391         float D, u, v, a;
1392         D = q*q/4.0 + p*p*p/27.0;
1393         if(D < 0)
1394         {
1395                 // irreducibilis
1396                 a = 1.0/3.0 * acos(-q/2.0 * sqrt(-27.0/(p*p*p)));
1397                 u = sqrt(-4.0/3.0 * p);
1398                 // a in range 0..pi/3
1399                 // cos(a)
1400                 // cos(a + 2pi/3)
1401                 // cos(a + 4pi/3)
1402                 return
1403                         u *
1404                         (
1405                                 '1 0 0' * cos(a + 2.0/3.0*M_PI)
1406                                 +
1407                                 '0 1 0' * cos(a + 4.0/3.0*M_PI)
1408                                 +
1409                                 '0 0 1' * cos(a)
1410                         );
1411         }
1412         else if(D == 0)
1413         {
1414                 // simple
1415                 if(p == 0)
1416                         return '0 0 0';
1417                 u = 3*q/p;
1418                 v = -u/2;
1419                 if(u >= v)
1420                         return '1 1 0' * v + '0 0 1' * u;
1421                 else
1422                         return '0 1 1' * v + '1 0 0' * u;
1423         }
1424         else
1425         {
1426                 // cardano
1427                 u = cbrt(-q/2.0 + sqrt(D));
1428                 v = cbrt(-q/2.0 - sqrt(D));
1429                 return '1 1 1' * (u + v);
1430         }
1431 }
1432 vector solve_cubic_abcd(float a, float b, float c, float d)
1433 {
1434         // y = 3*a*x + b
1435         // x = (y - b) / 3a
1436         float p, q;
1437         vector v;
1438         p = (9*a*c - 3*b*b);
1439         q = (27*a*a*d - 9*a*b*c + 2*b*b*b);
1440         v = solve_cubic_pq(p, q);
1441         v = (v -  b * '1 1 1') * (1.0 / (3.0 * a));
1442         if(a < 0)
1443                 v += '1 0 -1' * (v_z - v_x); // swap x, z
1444         return v;
1445 }
1446
1447 vector findperpendicular(vector v)
1448 {
1449         vector p;
1450         p_x = v_z;
1451         p_y = -v_x;
1452         p_z = v_y;
1453         return normalize(cliptoplane(p, v));
1454 }
1455
1456 vector W_CalculateProjectileSpread(vector forward, float spread)
1457 {
1458         float sigma;
1459         vector v1, v2;
1460         float dx, dy, r;
1461         float sstyle;
1462         spread *= g_weaponspreadfactor;
1463         if(spread <= 0)
1464                 return forward;
1465         sstyle = autocvar_g_projectiles_spread_style;
1466         
1467         if(sstyle == 0)
1468         {
1469                 // this is the baseline for the spread value!
1470                 // standard deviation: sqrt(2/5)
1471                 // density function: sqrt(1-r^2)
1472                 return forward + randomvec() * spread;
1473         }
1474         else if(sstyle == 1)
1475         {
1476                 // same thing, basically
1477                 return normalize(forward + cliptoplane(randomvec() * spread, forward));
1478         }
1479         else if(sstyle == 2)
1480         {
1481                 // circle spread... has at sigma=1 a standard deviation of sqrt(1/2)
1482                 sigma = spread * 0.89442719099991587855; // match baseline stddev
1483                 v1 = findperpendicular(forward);
1484                 v2 = cross(forward, v1);
1485                 // random point on unit circle
1486                 dx = random() * 2 * M_PI;
1487                 dy = sin(dx);
1488                 dx = cos(dx);
1489                 // radius in our dist function
1490                 r = random();
1491                 r = sqrt(r);
1492                 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1493         }
1494         else if(sstyle == 3) // gauss 3d
1495         {
1496                 sigma = spread * 0.44721359549996; // match baseline stddev
1497                 // note: 2D gaussian has sqrt(2) times the stddev of 1D, so this factor is right
1498                 v1 = forward;
1499                 v1_x += gsl_ran_gaussian(sigma);
1500                 v1_y += gsl_ran_gaussian(sigma);
1501                 v1_z += gsl_ran_gaussian(sigma);
1502                 return v1;
1503         }
1504         else if(sstyle == 4) // gauss 2d
1505         {
1506                 sigma = spread * 0.44721359549996; // match baseline stddev
1507                 // note: 2D gaussian has sqrt(2) times the stddev of 1D, so this factor is right
1508                 v1_x = gsl_ran_gaussian(sigma);
1509                 v1_y = gsl_ran_gaussian(sigma);
1510                 v1_z = gsl_ran_gaussian(sigma);
1511                 return normalize(forward + cliptoplane(v1, forward));
1512         }
1513         else if(sstyle == 5) // 1-r
1514         {
1515                 sigma = spread * 1.154700538379252; // match baseline stddev
1516                 v1 = findperpendicular(forward);
1517                 v2 = cross(forward, v1);
1518                 // random point on unit circle
1519                 dx = random() * 2 * M_PI;
1520                 dy = sin(dx);
1521                 dx = cos(dx);
1522                 // radius in our dist function
1523                 r = random();
1524                 r = solve_cubic_abcd(-2, 3, 0, -r) * '0 1 0';
1525                 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1526         }
1527         else if(sstyle == 6) // 1-r^2
1528         {
1529                 sigma = spread * 1.095445115010332; // match baseline stddev
1530                 v1 = findperpendicular(forward);
1531                 v2 = cross(forward, v1);
1532                 // random point on unit circle
1533                 dx = random() * 2 * M_PI;
1534                 dy = sin(dx);
1535                 dx = cos(dx);
1536                 // radius in our dist function
1537                 r = random();
1538                 r = sqrt(1 - r);
1539                 r = sqrt(1 - r);
1540                 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1541         }
1542         else if(sstyle == 7) // (1-r) (2-r)
1543         {
1544                 sigma = spread * 1.224744871391589; // match baseline stddev
1545                 v1 = findperpendicular(forward);
1546                 v2 = cross(forward, v1);
1547                 // random point on unit circle
1548                 dx = random() * 2 * M_PI;
1549                 dy = sin(dx);
1550                 dx = cos(dx);
1551                 // radius in our dist function
1552                 r = random();
1553                 r = 1 - sqrt(r);
1554                 r = 1 - sqrt(r);
1555                 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1556         }
1557         else
1558                 error("g_projectiles_spread_style must be 0 (sphere), 1 (flattened sphere), 2 (circle), 3 (gauss 3D), 4 (gauss plane), 5 (linear falloff), 6 (quadratic falloff), 7 (stronger falloff)!");
1559         return '0 0 0';
1560         /*
1561          * how to derive falloff functions:
1562          * rho(r) := (2-r) * (1-r);
1563          * a : 0;
1564          * b : 1;
1565          * rhor(r) := r * rho(r);
1566          * cr(t) := integrate(rhor(r), r, a, t);
1567          * scr(t) := integrate(rhor(r) * r^2, r, a, t);
1568          * variance : scr(b) / cr(b);
1569          * solve(cr(r) = rand * cr(b), r), programmmode:false;
1570          * sqrt(0.4 / variance), numer;
1571          */
1572 }
1573
1574 #if 0
1575 float mspercallsum;
1576 float mspercallsstyle;
1577 float mspercallcount;
1578 #endif
1579 void W_SetupProjectileVelocityEx(entity missile, vector dir, vector upDir, float pSpeed, float pUpSpeed, float pZSpeed, float spread, float forceAbsolute)
1580 {
1581         if(missile.owner == world)
1582                 error("Unowned missile");
1583
1584         dir = dir + upDir * (pUpSpeed / pSpeed);
1585         dir_z += pZSpeed / pSpeed;
1586         pSpeed *= vlen(dir);
1587         dir = normalize(dir);
1588
1589 #if 0
1590         if(autocvar_g_projectiles_spread_style != mspercallsstyle)
1591         {
1592                 mspercallsum = mspercallcount = 0;
1593                 mspercallsstyle = autocvar_g_projectiles_spread_style;
1594         }
1595         mspercallsum -= gettime(GETTIME_HIRES);
1596 #endif
1597         dir = W_CalculateProjectileSpread(dir, spread);
1598 #if 0
1599         mspercallsum += gettime(GETTIME_HIRES);
1600         mspercallcount += 1;
1601         print("avg: ", ftos(mspercallcount / mspercallsum), " per sec\n");
1602 #endif
1603
1604         missile.velocity = W_CalculateProjectileVelocity(missile.owner.velocity, pSpeed * dir, forceAbsolute);
1605 }
1606
1607 void W_SetupProjectileVelocity(entity missile, float pSpeed, float spread)
1608 {
1609         W_SetupProjectileVelocityEx(missile, w_shotdir, v_up, pSpeed, 0, 0, spread, FALSE);
1610 }
1611
1612 #define W_SETUPPROJECTILEVELOCITY_UP(m,s) W_SetupProjectileVelocityEx(m, w_shotdir, v_up, cvar(#s "_speed"), cvar(#s "_speed_up"), cvar(#s "_speed_z"), cvar(#s "_spread"), FALSE)
1613 #define W_SETUPPROJECTILEVELOCITY(m,s) W_SetupProjectileVelocityEx(m, w_shotdir, v_up, cvar(#s "_speed"), 0, 0, cvar(#s "_spread"), FALSE)