2 ===========================================================================
4 CLIENT WEAPONSYSTEM CODE
5 Bring back W_Weaponframe
7 ===========================================================================
10 .float weapon_frametime;
12 float W_WeaponRateFactor()
15 t = 1.0 / g_weaponratefactor;
19 if(self.runes & RUNE_SPEED)
21 if(self.runes & CURSE_SLOW)
22 t = t * cvar("g_balance_rune_speed_combo_atkrate");
24 t = t * cvar("g_balance_rune_speed_atkrate");
26 else if(self.runes & CURSE_SLOW)
28 t = t * cvar("g_balance_curse_slow_atkrate");
35 void W_SwitchWeapon_Force(entity e, float w)
37 e.cnt = e.switchweapon;
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;
52 void(float fr, float t, void() func) weapon_thinkf;
54 vector W_HitPlotUnnormalizedUntransform(vector screenforward, vector screenright, vector screenup, vector v)
57 ret_x = screenright * v;
59 ret_z = screenforward * v;
63 vector W_HitPlotNormalizedUntransform(vector org, entity targ, vector screenforward, vector screenright, vector screenup, vector v)
66 vector mi, ma, thisv, myv, ret;
68 myv = W_HitPlotUnnormalizedUntransform(screenforward, screenright, screenup, org);
70 // x = 0..1 relative to hitbox; y = 0..1 relative to hitbox; z = distance
72 for(i = 0; i < 2; ++i) for(j = 0; j < 2; ++j) for(k = 0; k < 2; ++k)
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);
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;
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;
99 void W_HitPlotAnalysis(entity player, vector screenforward, vector screenright, vector screenup)
105 if(player.hitplotfh >= 0)
107 lag = ANTILAG_LATENCY(player);
110 if(clienttype(player) != CLIENTTYPE_REAL)
111 lag = 0; // only antilag for clients
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)
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"));
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)
137 float nudge = 1; // added to traceline target and subtracted from result
138 local float oldsolid;
140 oldsolid = ent.dphitcontentsmask;
141 if(ent.weapon == WEP_CAMPINGRIFLE)
142 ent.dphitcontentsmask = DPCONTENTS_BODY | DPCONTENTS_CORPSE;
144 ent.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
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
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;
156 w_shotend = WarpZone_UnTransformOrigin(WarpZone_trace_transform, trace_endpos); // warpzone support
162 if(accuracy_canbegooddamage(ent))
163 accuracy_add(ent, ent.weapon, maxdamage, 0);
165 W_HitPlotAnalysis(ent, v_forward, v_right, v_up);
167 if(ent.weaponentity.movedir_x > 0)
168 vecs = ent.weaponentity.movedir;
171 if(debug_shotorg != '0 0 0')
172 vecs = debug_shotorg;
174 dv = v_right * -vecs_y + v_up * vecs_z;
175 w_shotorg = ent.origin + ent.view_ofs + dv;
177 // now move the shotorg forward as much as requested if possible
180 if(ent.antilag_debug)
181 tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + v_forward * (vecs_x + nudge), MOVE_NORMAL, ent, ent.antilag_debug);
183 tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + v_forward * (vecs_x + nudge), MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
186 tracebox(w_shotorg, mi, ma, w_shotorg + v_forward * (vecs_x + nudge), MOVE_NORMAL, ent);
187 w_shotorg = trace_endpos - v_forward * nudge;
188 // calculate the shotdir from the chosen shotorg
189 w_shotdir = normalize(w_shotend - w_shotorg);
192 if (!ent.cvar_cl_noantilag)
194 if (cvar("g_antilag") == 1) // switch to "ghost" if not hitting original
196 traceline(w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent);
197 if (!trace_ent.takedamage)
199 traceline_antilag_force (ent, w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
200 if (trace_ent.takedamage && trace_ent.classname == "player")
204 traceline(w_shotorg, e.origin, MOVE_NORMAL, ent);
206 w_shotdir = normalize(trace_ent.origin - w_shotorg);
210 else if(cvar("g_antilag") == 3) // client side hitscan
212 // this part MUST use prydon cursor
213 if (ent.cursor_trace_ent) // client was aiming at someone
214 if (ent.cursor_trace_ent != ent) // just to make sure
215 if (ent.cursor_trace_ent.takedamage) // and that person is killable
216 if (ent.cursor_trace_ent.classname == "player") // and actually a player
218 // verify that the shot would miss without antilag
219 // (avoids an issue where guns would always shoot at their origin)
220 traceline(w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent);
221 if (!trace_ent.takedamage)
223 // verify that the shot would hit if altered
224 traceline(w_shotorg, ent.cursor_trace_ent.origin, MOVE_NORMAL, ent);
225 if (trace_ent == ent.cursor_trace_ent)
226 w_shotdir = normalize(ent.cursor_trace_ent.origin - w_shotorg);
228 print("antilag fail\n");
234 ent.dphitcontentsmask = oldsolid; // restore solid type (generally SOLID_SLIDEBOX)
237 ent.punchangle_x = recoil * -1;
240 sound (ent, chan, snd, VOL_BASE, ATTN_NORM);
242 if(ent.items & IT_STRENGTH)
245 (time > ent.prevstrengthsound + cvar("sv_strengthsound_antispam_time"))
247 (time > ent.prevstrengthsoundattempt + cvar("sv_strengthsound_antispam_refire_threshold"))
248 ) // prevent insane sound spam
250 sound(ent, CHAN_AUTO, "weapons/strength_fire.wav", VOL_BASE, ATTN_NORM);
251 ent.prevstrengthsound = time;
253 ent.prevstrengthsoundattempt = time;
255 // nudge w_shotend so a trace to w_shotend hits
256 w_shotend = w_shotend + normalize(w_shotend - w_shotorg) * nudge;
259 #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)
260 #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)
261 #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)
262 #define W_SetupShot(ent,antilag,recoil,snd,chan,maxdamage) W_SetupShot_ProjectileSize(ent, '0 0 0', '0 0 0', antilag, recoil, snd, chan, maxdamage)
263 #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)
265 float CL_Weaponentity_CustomizeEntityForClient()
267 self.viewmodelforclient = self.owner;
268 if(other.classname == "spectator")
269 if(other.enemy == self.owner)
270 self.viewmodelforclient = other;
274 float qcweaponanimation;
275 vector weapon_offset = '0 -10 0';
276 vector weapon_adjust = '10 0 -15';
277 .vector weapon_morph0origin;
278 .vector weapon_morph0angles;
279 .float weapon_morph0time;
280 .vector weapon_morph1origin;
281 .vector weapon_morph1angles;
282 .float weapon_morph1time;
283 .vector weapon_morph2origin;
284 .vector weapon_morph2angles;
285 .float weapon_morph2time;
286 .vector weapon_morph3origin;
287 .vector weapon_morph3angles;
288 .float weapon_morph3time;
289 .vector weapon_morph4origin;
290 .vector weapon_morph4angles;
291 .float weapon_morph4time;
293 #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 * 1. simple animated model, muzzle flash handling on h_ model:
299 * h_tuba.dpm, h_tuba.dpm.framegroups - invisible model controlling the animation
301 * shot = muzzle end (shot origin, also used for muzzle flashes)
302 * shell = casings ejection point (must be on the right hand side of the gun)
303 * weapon = attachment for v_tuba.md3
304 * v_tuba.md3 - first and third person model
305 * g_tuba.md3 - pickup model
307 * 2. simple animated model, muzzle flash handling on v_ model:
308 * h_tuba.dpm, h_tuba.dpm.framegroups - invisible model controlling the animation
310 * weapon = attachment for v_tuba.md3
311 * v_tuba.md3 - first and third person model
313 * shot = muzzle end (shot origin, also used for muzzle flashes)
314 * shell = casings ejection point (must be on the right hand side of the gun)
315 * g_tuba.md3 - pickup model
317 * 3. fully animated model, muzzle flash handling on h_ model:
318 * h_tuba.dpm, h_tuba.dpm.framegroups - animated first person model
320 * shot = muzzle end (shot origin, also used for muzzle flashes)
321 * shell = casings ejection point (must be on the right hand side of the gun)
322 * handle = corresponding to the origin of v_tuba.md3 (used for muzzle flashes)
323 * v_tuba.md3 - third person model
324 * g_tuba.md3 - pickup model
326 * 4. fully animated model, muzzle flash handling on v_ model:
327 * h_tuba.dpm, h_tuba.dpm.framegroups - animated first person model
329 * shot = muzzle end (shot origin)
330 * shell = casings ejection point (must be on the right hand side of the gun)
331 * v_tuba.md3 - third person model
333 * shot = muzzle end (for muzzle flashes)
334 * g_tuba.md3 - pickup model
338 // self.origin, self.angles
340 // self.movedir, self.view_ofs
344 // call again with ""
346 void CL_WeaponEntity_SetModel(string name)
353 // if there is a child entity, hide it until we're sure we use it
354 if (self.weaponentity)
355 self.weaponentity.model = "";
356 setmodel(self, strcat("models/weapons/v_", name, ".md3")); // precision set below
357 v_shot_idx = gettagindex(self, "shot"); // used later
359 v_shot_idx = gettagindex(self, "tag_shot");
361 if(qcweaponanimation)
363 self.angles = '0 0 0';
364 makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
365 self.movedir = weapon_offset_x * v_forward - weapon_offset_y * v_right + weapon_offset_z * v_up + weapon_adjust;
366 self.movedir_x += 32;
367 self.spawnorigin = self.movedir;
368 // oldorigin - not calculated here
372 setmodel(self, strcat("models/weapons/h_", name, ".iqm")); // precision set below
373 animfilename = strcat("models/weapons/h_", name, ".iqm.animinfo");
374 animfile = fopen(animfilename, FILE_READ);
375 // preset some defaults that work great for renamed zym files (which don't need an animinfo)
376 self.anim_fire1 = '0 1 0.01';
377 self.anim_fire2 = '1 1 0.01';
378 self.anim_idle = '2 1 0.01';
379 self.anim_reload = '3 1 0.01';
382 animparseerror = FALSE;
383 self.anim_fire1 = animparseline(animfile);
384 self.anim_fire2 = animparseline(animfile);
385 self.anim_idle = animparseline(animfile);
386 self.anim_reload = animparseline(animfile);
389 print("Parse error in ", animfilename, ", some player animations are broken\n");
392 // if we have a "weapon" tag, let's attach the v_ model to it ("invisible hand" style model)
393 // if we don't, this is a "real" animated model
394 if(gettagindex(self, "weapon"))
396 if (!self.weaponentity)
397 self.weaponentity = spawn();
398 setmodel(self.weaponentity, strcat("models/weapons/v_", name, ".md3")); // precision does not matter
399 setattachment(self.weaponentity, self, "weapon");
401 else if(gettagindex(self, "tag_weapon"))
403 if (!self.weaponentity)
404 self.weaponentity = spawn();
405 setmodel(self.weaponentity, strcat("models/weapons/v_", name, ".md3")); // precision does not matter
406 setattachment(self.weaponentity, self, "tag_weapon");
410 if(self.weaponentity)
411 remove(self.weaponentity);
412 self.weaponentity = world;
415 setorigin(self,'0 0 0');
416 self.angles = '0 0 0';
418 self.viewmodelforclient = world;
422 if(v_shot_idx) // v_ model attached to invisible h_ model
424 self.movedir = gettaginfo(self.weaponentity, v_shot_idx);
428 idx = gettagindex(self, "shot");
430 idx = gettagindex(self, "tag_shot");
432 self.movedir = gettaginfo(self, idx);
435 print("WARNING: weapon model ", self.model, " does not support the 'shot' tag, will display shots TOTALLY wrong\n");
436 self.movedir = '0 0 0';
440 if(self.weaponentity) // v_ model attached to invisible h_ model
442 idx = gettagindex(self.weaponentity, "shell");
444 idx = gettagindex(self.weaponentity, "tag_shell");
446 self.spawnorigin = gettaginfo(self.weaponentity, idx);
452 idx = gettagindex(self, "shell");
454 idx = gettagindex(self, "tag_shell");
456 self.spawnorigin = gettaginfo(self, idx);
459 print("WARNING: weapon model ", self.model, " does not support the 'shell' tag, will display casings wrong\n");
460 self.spawnorigin = self.movedir;
466 self.oldorigin = '0 0 0'; // use regular attachment
470 if(self.weaponentity)
472 idx = gettagindex(self, "weapon");
474 idx = gettagindex(self, "tag_weapon");
478 idx = gettagindex(self, "handle");
480 idx = gettagindex(self, "tag_handle");
484 self.oldorigin = self.movedir - gettaginfo(self, idx);
488 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");
489 self.oldorigin = '0 0 0'; // there is no way to recover from this
493 self.viewmodelforclient = self.owner;
499 if(self.weaponentity)
500 remove(self.weaponentity);
501 self.weaponentity = world;
502 self.movedir = '0 0 0';
503 self.spawnorigin = '0 0 0';
504 self.oldorigin = '0 0 0';
505 self.anim_fire1 = '0 1 0.01';
506 self.anim_fire2 = '0 1 0.01';
507 self.anim_idle = '0 1 0.01';
508 self.anim_reload = '0 1 0.01';
511 self.view_ofs = '0 0 0';
513 if(self.movedir_x >= 0)
517 self.movedir = shotorg_adjust(v0, FALSE, FALSE);
518 self.view_ofs = shotorg_adjust(v0, FALSE, TRUE) - v0;
520 self.owner.stat_shotorg = compressShotOrigin(self.movedir);
521 self.movedir = decompressShotOrigin(self.owner.stat_shotorg); // make them match perfectly
523 self.spawnorigin += self.view_ofs; // offset the casings origin by the same amount
525 // check if an instant weapon switch occurred
526 if (qcweaponanimation)
528 if (self.state == WS_READY)
530 self.angles = '0 0 0';
531 makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
532 setorigin(self, QCWEAPONANIMATION_ORIGIN(self));
536 setorigin(self, self.view_ofs);
537 // reset animstate now
538 self.wframe = WFRAME_IDLE;
539 self.weapon_morph0time = 0;
540 self.weapon_morph1time = 0;
541 self.weapon_morph2time = 0;
542 self.weapon_morph3time = 0;
543 self.weapon_morph4time = 0;
544 setanim(self, self.anim_idle, TRUE, FALSE, TRUE);
547 vector CL_Weapon_GetShotOrg(float wpn)
551 wi = get_weaponinfo(wpn);
554 CL_WeaponEntity_SetModel(wi.mdl);
556 CL_WeaponEntity_SetModel("");
562 void CL_Weaponentity_Think()
565 self.nextthink = time;
566 if (intermission_running)
567 self.frame = self.anim_idle_x;
568 if (self.owner.weaponentity != self)
570 if (self.weaponentity)
571 remove(self.weaponentity);
575 if (self.owner.deadflag != DEAD_NO)
578 if (self.weaponentity)
579 self.weaponentity.model = "";
582 if (self.cnt != self.owner.weapon || self.dmg != self.owner.modelindex || self.deadflag != self.owner.deadflag)
584 self.cnt = self.owner.weapon;
585 self.dmg = self.owner.modelindex;
586 self.deadflag = self.owner.deadflag;
588 CL_WeaponEntity_SetModel(self.owner.weaponname);
591 tb = (self.effects & (EF_TELEPORT_BIT | EF_RESTARTANIM_BIT));
592 self.effects = self.owner.effects & EFMASK_CHEAP;
593 self.effects &~= EF_LOWPRECISION;
594 self.effects &~= EF_FULLBRIGHT; // can mask team color, so get rid of it
595 self.effects &~= EF_TELEPORT_BIT;
596 self.effects &~= EF_RESTARTANIM_BIT;
599 if(self.owner.alpha == default_player_alpha)
600 self.alpha = default_weapon_alpha;
601 else if(self.owner.alpha != 0)
602 self.alpha = self.owner.alpha;
606 self.colormap = self.owner.colormap;
607 if (self.weaponentity)
609 self.weaponentity.effects = self.effects;
610 self.weaponentity.alpha = self.alpha;
611 self.weaponentity.colormap = self.colormap;
614 self.angles = '0 0 0';
617 if (self.state == WS_RAISE && !intermission_running)
619 f = (self.owner.weapon_nextthink - time) * g_weaponratefactor / cvar("g_balance_weaponswitchdelay");
620 self.angles_x = -90 * f * f;
621 if (qcweaponanimation)
623 makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
624 setorigin(self, QCWEAPONANIMATION_ORIGIN(self));
627 else if (self.state == WS_DROP && !intermission_running)
629 f = 1 - (self.owner.weapon_nextthink - time) * g_weaponratefactor / cvar("g_balance_weaponswitchdelay");
630 self.angles_x = -90 * f * f;
631 if (qcweaponanimation)
633 makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
634 setorigin(self, QCWEAPONANIMATION_ORIGIN(self));
637 else if (self.state == WS_CLEAR)
640 self.angles_x = -90 * f * f;
641 if (qcweaponanimation)
643 makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
644 setorigin(self, QCWEAPONANIMATION_ORIGIN(self));
647 else if (qcweaponanimation && time < self.owner.weapon_morph1time)
649 f = (time - self.owner.weapon_morph0time) / (self.owner.weapon_morph1time - self.owner.weapon_morph0time);
650 f = 1 - pow(1 - f, 3);
651 self.angles = self.owner.weapon_morph0angles * (1 - f) + self.owner.weapon_morph1angles * f;
652 setorigin(self, self.owner.weapon_morph0origin * (1 - f) + self.owner.weapon_morph1origin * f);
654 else if (qcweaponanimation && time < self.owner.weapon_morph2time)
656 f = (time - self.owner.weapon_morph1time) / (self.owner.weapon_morph2time - self.owner.weapon_morph1time);
657 f = 1 - pow(1 - f, 3);
658 self.angles = self.owner.weapon_morph1angles * (1 - f) + self.owner.weapon_morph2angles * f;
659 setorigin(self, self.owner.weapon_morph1origin * (1 - f) + self.owner.weapon_morph2origin * f);
661 else if (qcweaponanimation && time < self.owner.weapon_morph3time)
663 f = (time - self.owner.weapon_morph2time) / (self.owner.weapon_morph3time - self.owner.weapon_morph2time);
664 f = 1 - pow(1 - f, 3);
665 self.angles = self.owner.weapon_morph2angles * (1 - f) + self.owner.weapon_morph3angles * f;
666 setorigin(self, self.owner.weapon_morph2origin * (1 - f) + self.owner.weapon_morph3origin * f);
668 else if (qcweaponanimation && time < self.owner.weapon_morph4time)
670 f = (time - self.owner.weapon_morph3time) / (self.owner.weapon_morph4time - self.owner.weapon_morph3time);
671 f = 1 - pow(1 - f, 3);
672 self.angles = self.owner.weapon_morph3angles * (1 - f) + self.owner.weapon_morph4angles * f;
673 setorigin(self, self.owner.weapon_morph3origin * (1 - f) + self.owner.weapon_morph4origin * f);
675 else if (qcweaponanimation)
677 // begin a new idle morph
678 self.owner.weapon_morph0time = time;
679 self.owner.weapon_morph0angles = self.angles;
680 self.owner.weapon_morph0origin = self.origin;
688 // turn gun to the left to look at it
690 self.owner.weapon_morph1time = time + t * 0.2;
691 self.owner.weapon_morph1angles = randomvec() * 3 + '-5 30 0';
692 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');
693 self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
695 self.owner.weapon_morph2time = time + t * 0.6;
696 self.owner.weapon_morph2angles = randomvec() * 3 + '-5 30 0';
697 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');
698 self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
700 self.owner.weapon_morph3time = time + t;
701 self.owner.weapon_morph3angles = '0 0 0';
702 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');
703 self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
707 // raise the gun a bit
709 self.owner.weapon_morph1time = time + t * 0.2;
710 self.owner.weapon_morph1angles = randomvec() * 3 + '30 -10 0';
711 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');
712 self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
714 self.owner.weapon_morph2time = time + t * 0.5;
715 self.owner.weapon_morph2angles = randomvec() * 3 + '30 -10 5';
716 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');
717 self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
719 self.owner.weapon_morph3time = time + t;
720 self.owner.weapon_morph3angles = '0 0 0';
721 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');
722 self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
728 self.owner.weapon_morph1time = time + t * 0.3;
729 self.owner.weapon_morph1angles = randomvec() * 6;
730 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');
731 self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
733 self.owner.weapon_morph2time = time + t * 0.7;
734 self.owner.weapon_morph2angles = randomvec() * 6;
735 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');
736 self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
738 self.owner.weapon_morph3time = time + t;
739 self.owner.weapon_morph3angles = '0 0 0';
740 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');
741 self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
745 // hold it mostly steady
746 t = random() * 6 + 4;
747 self.owner.weapon_morph1time = time + t * 0.2;
748 self.owner.weapon_morph1angles = randomvec() * 1;
749 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');
750 self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
752 self.owner.weapon_morph2time = time + t * 0.5;
753 self.owner.weapon_morph2angles = randomvec() * 1;
754 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');
755 self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
757 self.owner.weapon_morph3time = time + t * 0.7;
758 self.owner.weapon_morph3angles = randomvec() * 1;
759 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');
760 self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
763 self.owner.weapon_morph4time = time + t;
764 self.owner.weapon_morph4angles = '0 0 0';
765 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');
766 self.owner.weapon_morph4origin = QCWEAPONANIMATION_ORIGIN(self);
771 void CL_ExteriorWeaponentity_Think()
775 self.nextthink = time;
776 if (self.owner.exteriorweaponentity != self)
781 if (self.owner.deadflag != DEAD_NO)
786 if (self.cnt != self.owner.weapon || self.dmg != self.owner.modelindex || self.deadflag != self.owner.deadflag)
788 self.cnt = self.owner.weapon;
789 self.dmg = self.owner.modelindex;
790 self.deadflag = self.owner.deadflag;
791 if (self.owner.weaponname != "")
792 setmodel(self, strcat("models/weapons/v_", self.owner.weaponname, ".md3")); // precision set below
796 if((tag_found = gettagindex(self.owner, "tag_weapon")))
798 self.tag_index = tag_found;
799 self.tag_entity = self.owner;
802 setattachment(self, self.owner, "bip01 r hand");
804 // if that didn't find a tag, hide the exterior weapon model
808 self.effects = self.owner.effects;
809 if(sv_pitch_min == sv_pitch_max)
810 self.effects |= EF_LOWPRECISION;
812 self.effects &~= EF_LOWPRECISION;
813 self.effects = self.effects & EFMASK_CHEAP; // eat performance
814 if(self.owner.alpha == default_player_alpha)
815 self.alpha = default_weapon_alpha;
816 else if(self.owner.alpha != 0)
817 self.alpha = self.owner.alpha;
821 ang_x = bound(sv_pitch_min, self.owner.v_angle_x, sv_pitch_max);
825 if(sv_pitch_fixyaw) // workaround for stupid player models that don't aim forward
827 ang_y = self.owner.v_angle_y;
829 var vector v = v_forward;
830 var float t = self.tag_entity.frame1time;
831 var float f = self.tag_entity.frame;
832 self.tag_entity.frame1time = time;
833 self.tag_entity.frame = self.tag_entity.anim_idle_x;
834 gettaginfo(self.tag_entity, self.tag_index);
835 self.tag_entity.frame1time = t;
836 self.tag_entity.frame = f;
837 // untransform v according to this coordinate space
842 self.angles = vectoangles(w);
846 ang_x = -/* don't ask */ang_x;
850 self.colormap = self.owner.colormap;
853 // spawning weaponentity for client
854 void CL_SpawnWeaponentity()
856 self.weaponentity = spawn();
857 self.weaponentity.classname = "weaponentity";
858 self.weaponentity.solid = SOLID_NOT;
859 self.weaponentity.owner = self;
860 setmodel(self.weaponentity, ""); // precision set when changed
861 setorigin(self.weaponentity, '0 0 0');
862 self.weaponentity.angles = '0 0 0';
863 self.weaponentity.viewmodelforclient = self;
864 self.weaponentity.flags = 0;
865 self.weaponentity.think = CL_Weaponentity_Think;
866 self.weaponentity.customizeentityforclient = CL_Weaponentity_CustomizeEntityForClient;
867 self.weaponentity.nextthink = time;
869 self.exteriorweaponentity = spawn();
870 self.exteriorweaponentity.classname = "exteriorweaponentity";
871 self.exteriorweaponentity.solid = SOLID_NOT;
872 self.exteriorweaponentity.exteriorweaponentity = self.exteriorweaponentity;
873 self.exteriorweaponentity.owner = self;
874 setorigin(self.exteriorweaponentity, '0 0 0');
875 self.exteriorweaponentity.angles = '0 0 0';
876 self.exteriorweaponentity.think = CL_ExteriorWeaponentity_Think;
877 self.exteriorweaponentity.nextthink = time;
880 void Send_WeaponComplain (entity e, float wpn, string wpnname, float type)
883 WriteByte(MSG_ONE, SVC_TEMPENTITY);
884 WriteByte(MSG_ONE, TE_CSQC_WEAPONCOMPLAIN);
885 WriteByte(MSG_ONE, wpn);
886 WriteString(MSG_ONE, wpnname);
887 WriteByte(MSG_ONE, type);
890 .float hasweapon_complain_spam;
892 float client_hasweapon(entity cl, float wpn, float andammo, float complain)
894 local float weaponbit, f;
895 local entity oldself;
897 if(time < self.hasweapon_complain_spam)
900 self.hasweapon_complain_spam = time + 0.2;
902 if (wpn < WEP_FIRST || wpn > WEP_LAST)
905 sprint(self, "Invalid weapon\n");
908 weaponbit = W_WeaponBit(wpn);
909 if (cl.weapons & weaponbit)
913 if(cl.items & IT_UNLIMITED_WEAPON_AMMO)
921 f = weapon_action(wpn, WR_CHECKAMMO1);
922 f = f + weapon_action(wpn, WR_CHECKAMMO2);
924 // always allow selecting the Mine Layer if we placed mines, so that we can detonate them
926 if(wpn == WEP_MINE_LAYER)
927 for(mine = world; (mine = find(mine, classname, "mine")); ) if(mine.owner == self)
935 if(clienttype(cl) == CLIENTTYPE_REAL)
937 play2(cl, "weapons/unavailable.wav");
938 sprint(cl, strcat("You don't have any ammo for the ^2", W_Name(wpn), "\n"));
939 Send_WeaponComplain (cl, wpn, W_Name(wpn), 0);
949 // Report Proper Weapon Status / Modified Weapon Ownership Message
950 if(weaponsInMap & weaponbit)
952 sprint(cl, strcat("You do not have the ^2", W_Name(wpn), "\n") );
953 Send_WeaponComplain (cl, wpn, W_Name(wpn), 1);
955 if(cvar("g_showweaponspawns"))
960 e = get_weaponinfo(wpn);
963 for(e = world; (e = findfloat(e, weapons, weaponbit)); )
965 if(e.classname == "droppedweapon")
967 if not(e.flags & FL_ITEM)
969 WaypointSprite_Spawn(
982 Send_WeaponComplain (cl, wpn, W_Name(wpn), 2);
983 sprint(cl, strcat("The ^2", W_Name(wpn), "^7 is ^1NOT AVAILABLE^7 in this map\n") );
986 play2(cl, "weapons/unavailable.wav");
994 if (self.weapon != -1)
996 if (self.weaponentity)
998 self.weaponentity.state = WS_CLEAR;
999 self.weaponentity.effects = 0;
1005 if (self.weaponentity)
1006 self.weaponentity.state = WS_READY;
1007 weapon_thinkf(WFRAME_IDLE, 1000000, w_ready);
1010 // Setup weapon for client (after this raise frame will be launched)
1011 void weapon_setup(float windex)
1014 qcweaponanimation = cvar("sv_qcweaponanimation");
1015 e = get_weaponinfo(windex);
1016 self.items &~= IT_AMMO;
1017 self.items = self.items | e.items;
1019 // the two weapon entities will notice this has changed and update their models
1020 self.weapon = windex;
1021 self.weaponname = e.mdl;
1022 self.bulletcounter = 0;
1025 // perform weapon to attack (weaponstate and attack_finished check is here)
1026 void W_SwitchToOtherWeapon(entity pl)
1028 // hack to ensure it switches to an OTHER weapon (in case the other fire mode still has ammo, we want that anyway)
1030 w = W_WeaponBit(pl.weapon);
1032 ww = w_getbestweapon(pl);
1035 W_SwitchWeapon_Force(pl, ww);
1038 float weapon_prepareattack_checkammo(float secondary)
1040 if not(self.items & IT_UNLIMITED_WEAPON_AMMO)
1041 if (!weapon_action(self.weapon, WR_CHECKAMMO1 + secondary))
1043 // always keep the Mine Layer if we placed mines, so that we can detonate them
1045 if(self.weapon == WEP_MINE_LAYER)
1046 for(mine = world; (mine = find(mine, classname, "mine")); ) if(mine.owner == self)
1049 if(self.weapon == self.switchweapon && time - self.prevdryfire > 1) // only play once BEFORE starting to switch weapons
1051 sound (self, CHAN_AUTO, "weapons/dryfire.wav", VOL_BASE, ATTN_NORM);
1052 self.prevdryfire = time;
1055 W_SwitchToOtherWeapon(self);
1060 .float race_penalty;
1061 float weapon_prepareattack_check(float secondary, float attacktime)
1063 if(!weapon_prepareattack_checkammo(secondary))
1066 //if sv_ready_restart_after_countdown is set, don't allow the player to shoot
1067 //if all players readied up and the countdown is running
1068 if(time < game_starttime || time < self.race_penalty) {
1072 if (timeoutStatus == 2) //don't allow the player to shoot while game is paused
1075 // do not even think about shooting if switching
1076 if(self.switchweapon != self.weapon)
1081 // don't fire if previous attack is not finished
1082 if (ATTACK_FINISHED(self) > time + self.weapon_frametime * 0.5)
1084 // don't fire while changing weapon
1085 if (self.weaponentity.state != WS_READY)
1091 float weapon_prepareattack_do(float secondary, float attacktime)
1093 self.weaponentity.state = WS_INUSE;
1095 self.spawnshieldtime = min(self.spawnshieldtime, time); // kill spawn shield when you fire
1097 // if the weapon hasn't been firing continuously, reset the timer
1100 if (ATTACK_FINISHED(self) < time - self.weapon_frametime * 1.5)
1102 ATTACK_FINISHED(self) = time;
1103 //dprint("resetting attack finished to ", ftos(time), "\n");
1105 ATTACK_FINISHED(self) = ATTACK_FINISHED(self) + attacktime * W_WeaponRateFactor();
1107 self.bulletcounter += 1;
1108 //dprint("attack finished ", ftos(ATTACK_FINISHED(self)), "\n");
1111 float weapon_prepareattack(float secondary, float attacktime)
1113 if(weapon_prepareattack_check(secondary, attacktime))
1115 weapon_prepareattack_do(secondary, attacktime);
1122 void weapon_thinkf(float fr, float t, void() func)
1128 if(fr == WFRAME_DONTCHANGE)
1130 fr = self.weaponentity.wframe;
1131 restartanim = FALSE;
1133 else if (fr == WFRAME_IDLE)
1134 restartanim = FALSE;
1142 if (self.weaponentity)
1144 self.weaponentity.wframe = fr;
1145 if (qcweaponanimation)
1147 if (fr != WFRAME_IDLE)
1149 self.weapon_morph0time = time;
1150 self.weapon_morph0angles = self.weaponentity.angles;
1151 self.weapon_morph0origin = self.weaponentity.origin;
1153 self.weapon_morph1angles = '0 0 0';
1154 self.weapon_morph1time = time + t;
1155 makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1156 self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1158 self.weapon_morph2angles = '0 0 0';
1159 self.weapon_morph2time = time + t;
1160 makevectors(self.weapon_morph2angles_x * '-1 0 0' + self.weapon_morph2angles_y * '0 1 0' + self.weapon_morph2angles_z * '0 0 1');
1161 self.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1163 self.weapon_morph3angles = '0 0 0';
1164 self.weapon_morph3time = time + t;
1165 makevectors(self.weapon_morph3angles_x * '-1 0 0' + self.weapon_morph3angles_y * '0 1 0' + self.weapon_morph3angles_z * '0 0 1');
1166 self.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1168 self.weapon_morph4angles = '0 0 0';
1169 self.weapon_morph4time = time + t;
1170 makevectors(self.weapon_morph4angles_x * '-1 0 0' + self.weapon_morph4angles_y * '0 1 0' + self.weapon_morph4angles_z * '0 0 1');
1171 self.weapon_morph4origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1173 if (fr == WFRAME_FIRE1)
1175 self.weapon_morph1angles = '5 0 0';
1176 self.weapon_morph1time = time + t * 0.1;
1177 makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1178 self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1179 self.weapon_morph4time = time + t + 1; // delay idle effect
1181 else if (fr == WFRAME_FIRE2)
1183 self.weapon_morph1angles = '10 0 0';
1184 self.weapon_morph1time = time + t * 0.1;
1185 makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1186 self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1187 self.weapon_morph4time = time + t + 1; // delay idle effect
1189 else if (fr == WFRAME_RELOAD)
1191 self.weapon_morph1time = time + t * 0.05;
1192 self.weapon_morph1angles = '-10 40 0';
1193 makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1194 self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1196 self.weapon_morph2time = time + t * 0.15;
1197 self.weapon_morph2angles = '-10 40 5';
1198 makevectors(self.weapon_morph2angles_x * '-1 0 0' + self.weapon_morph2angles_y * '0 1 0' + self.weapon_morph2angles_z * '0 0 1');
1199 self.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1201 self.weapon_morph3time = time + t * 0.25;
1202 self.weapon_morph3angles = '-10 40 0';
1203 makevectors(self.weapon_morph3angles_x * '-1 0 0' + self.weapon_morph3angles_y * '0 1 0' + self.weapon_morph3angles_z * '0 0 1');
1204 self.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1210 if (fr == WFRAME_IDLE)
1211 a = self.weaponentity.anim_idle;
1212 else if (fr == WFRAME_FIRE1)
1213 a = self.weaponentity.anim_fire1;
1214 else if (fr == WFRAME_FIRE2)
1215 a = self.weaponentity.anim_fire2;
1216 else if (fr == WFRAME_RELOAD)
1217 a = self.weaponentity.anim_reload;
1218 a_z *= g_weaponratefactor;
1219 setanim(self.weaponentity, a, restartanim == FALSE, restartanim, restartanim);
1227 if(self.weapon_think == w_ready && func != w_ready && self.weaponentity.state == WS_RAISE)
1229 backtrace("Tried to override initial weapon think function - should this really happen?");
1232 t *= W_WeaponRateFactor();
1234 // VorteX: haste can be added here
1235 if (self.weapon_think == w_ready)
1237 self.weapon_nextthink = time;
1238 //dprint("started firing at ", ftos(time), "\n");
1240 if (self.weapon_nextthink < time - self.weapon_frametime * 1.5 || self.weapon_nextthink > time + self.weapon_frametime * 1.5)
1242 self.weapon_nextthink = time;
1243 //dprint("reset weapon animation timer at ", ftos(time), "\n");
1245 self.weapon_nextthink = self.weapon_nextthink + t;
1246 self.weapon_think = func;
1247 //dprint("next ", ftos(self.weapon_nextthink), "\n");
1251 if (!self.crouch) // shoot anim stands up, this looks bad
1254 anim = self.anim_shoot;
1255 anim_z = anim_y / (t + sys_frametime);
1256 setanim(self, anim, FALSE, TRUE, TRUE);
1260 void weapon_boblayer1(float spd, vector org)
1262 // VorteX: haste can be added here
1265 vector W_CalculateProjectileVelocity(vector pvelocity, vector mvelocity, float forceAbsolute)
1273 mvelocity = mvelocity * g_weaponspeedfactor;
1275 mdirection = normalize(mvelocity);
1276 mspeed = vlen(mvelocity);
1278 nstyle = cvar("g_projectiles_newton_style");
1279 if(nstyle == 0 || forceAbsolute)
1281 // absolute velocity
1282 outvelocity = mvelocity;
1284 else if(nstyle == 1)
1286 // true Newtonian projectiles
1287 outvelocity = pvelocity + mvelocity;
1289 else if(nstyle == 2)
1291 // true Newtonian projectiles with automatic aim adjustment
1293 // solve: |outspeed * mdirection - pvelocity| = mspeed
1294 // outspeed^2 - 2 * outspeed * (mdirection * pvelocity) + pvelocity^2 - mspeed^2 = 0
1295 // outspeed = (mdirection * pvelocity) +- sqrt((mdirection * pvelocity)^2 - pvelocity^2 + mspeed^2)
1299 // pvelocity^2 - (mdirection * pvelocity)^2 > mspeed^2
1300 // velocity without mdirection component > mspeed
1301 // fire at smallest possible mspeed that works?
1302 // |(mdirection * pvelocity) * pvelocity - pvelocity| = mspeed
1305 solution = solve_quadratic(1, -2 * (mdirection * pvelocity), pvelocity * pvelocity - mspeed * mspeed);
1307 outspeed = solution_y; // the larger one
1310 //outspeed = 0; // slowest possible shot
1311 outspeed = solution_x; // the real part (that is, the average!)
1312 //dprint("impossible shot, adjusting\n");
1315 outspeed = bound(mspeed * cvar("g_projectiles_newton_style_2_minfactor"), outspeed, mspeed * cvar("g_projectiles_newton_style_2_maxfactor"));
1316 outvelocity = mdirection * outspeed;
1318 else if(nstyle == 3)
1320 // pseudo-Newtonian:
1321 outspeed = mspeed + mdirection * pvelocity;
1322 outspeed = bound(mspeed * 0.7, outspeed, mspeed * 5.0);
1323 outvelocity = mdirection * outspeed;
1325 else if(nstyle == 4)
1328 outspeed = mspeed + vlen(pvelocity);
1329 outvelocity = mdirection * outspeed;
1332 error("g_projectiles_newton_style must be 0 (absolute), 1 (Newtonian), 2 (Newtonian + aimfix), 3 (pseudo Newtonian) or 4 (tZorkian)!");
1337 void W_AttachToShotorg(entity flash, vector offset)
1341 flash.angles_z = random() * 360;
1342 if(qcweaponanimation)
1344 setorigin(flash, w_shotorg + w_shotdir * 50);
1345 flash.angles = vectoangles(w_shotdir);
1346 flash.angles_z = random() * 360;
1350 if(gettagindex(self.weaponentity, "shot"))
1351 setattachment(flash, self.weaponentity, "shot");
1353 setattachment(flash, self.weaponentity, "tag_shot");
1354 setorigin(flash, offset);
1357 copyentity(flash, xflash);
1359 flash.viewmodelforclient = self;
1361 if(self.weaponentity.oldorigin_x > 0)
1363 setattachment(xflash, self.exteriorweaponentity, "");
1364 setorigin(xflash, self.weaponentity.oldorigin + offset);
1368 if(gettagindex(self.exteriorweaponentity, "shot"))
1369 setattachment(xflash, self.exteriorweaponentity, "shot");
1371 setattachment(xflash, self.exteriorweaponentity, "tag_shot");
1372 setorigin(xflash, offset);
1377 vector cliptoplane(vector v, vector p)
1379 return v - (v * p) * p;
1382 vector solve_cubic_pq(float p, float q)
1385 D = q*q/4.0 + p*p*p/27.0;
1389 a = 1.0/3.0 * acos(-q/2.0 * sqrt(-27.0/(p*p*p)));
1390 u = sqrt(-4.0/3.0 * p);
1391 // a in range 0..pi/3
1398 '1 0 0' * cos(a + 2.0/3.0*M_PI)
1400 '0 1 0' * cos(a + 4.0/3.0*M_PI)
1413 return '1 1 0' * v + '0 0 1' * u;
1415 return '0 1 1' * v + '1 0 0' * u;
1420 u = cbrt(-q/2.0 + sqrt(D));
1421 v = cbrt(-q/2.0 - sqrt(D));
1422 return '1 1 1' * (u + v);
1425 vector solve_cubic_abcd(float a, float b, float c, float d)
1431 p = (9*a*c - 3*b*b);
1432 q = (27*a*a*d - 9*a*b*c + 2*b*b*b);
1433 v = solve_cubic_pq(p, q);
1434 v = (v - b * '1 1 1') * (1.0 / (3.0 * a));
1436 v += '1 0 -1' * (v_z - v_x); // swap x, z
1440 vector findperpendicular(vector v)
1446 return normalize(cliptoplane(p, v));
1449 vector W_CalculateProjectileSpread(vector forward, float spread)
1455 spread *= g_weaponspreadfactor;
1458 sstyle = cvar("g_projectiles_spread_style");
1462 // this is the baseline for the spread value!
1463 // standard deviation: sqrt(2/5)
1464 // density function: sqrt(1-r^2)
1465 return forward + randomvec() * spread;
1467 else if(sstyle == 1)
1469 // same thing, basically
1470 return normalize(forward + cliptoplane(randomvec() * spread, forward));
1472 else if(sstyle == 2)
1474 // circle spread... has at sigma=1 a standard deviation of sqrt(1/2)
1475 sigma = spread * 0.89442719099991587855; // match baseline stddev
1476 v1 = findperpendicular(forward);
1477 v2 = cross(forward, v1);
1478 // random point on unit circle
1479 dx = random() * 2 * M_PI;
1482 // radius in our dist function
1485 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1487 else if(sstyle == 3) // gauss 3d
1489 sigma = spread * 0.44721359549996; // match baseline stddev
1490 // note: 2D gaussian has sqrt(2) times the stddev of 1D, so this factor is right
1492 v1_x += gsl_ran_gaussian(sigma);
1493 v1_y += gsl_ran_gaussian(sigma);
1494 v1_z += gsl_ran_gaussian(sigma);
1497 else if(sstyle == 4) // gauss 2d
1499 sigma = spread * 0.44721359549996; // match baseline stddev
1500 // note: 2D gaussian has sqrt(2) times the stddev of 1D, so this factor is right
1501 v1_x = gsl_ran_gaussian(sigma);
1502 v1_y = gsl_ran_gaussian(sigma);
1503 v1_z = gsl_ran_gaussian(sigma);
1504 return normalize(forward + cliptoplane(v1, forward));
1506 else if(sstyle == 5) // 1-r
1508 sigma = spread * 1.154700538379252; // match baseline stddev
1509 v1 = findperpendicular(forward);
1510 v2 = cross(forward, v1);
1511 // random point on unit circle
1512 dx = random() * 2 * M_PI;
1515 // radius in our dist function
1517 r = solve_cubic_abcd(-2, 3, 0, -r) * '0 1 0';
1518 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1520 else if(sstyle == 6) // 1-r^2
1522 sigma = spread * 1.095445115010332; // match baseline stddev
1523 v1 = findperpendicular(forward);
1524 v2 = cross(forward, v1);
1525 // random point on unit circle
1526 dx = random() * 2 * M_PI;
1529 // radius in our dist function
1533 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1535 else if(sstyle == 7) // (1-r) (2-r)
1537 sigma = spread * 1.224744871391589; // match baseline stddev
1538 v1 = findperpendicular(forward);
1539 v2 = cross(forward, v1);
1540 // random point on unit circle
1541 dx = random() * 2 * M_PI;
1544 // radius in our dist function
1548 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1551 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)!");
1554 * how to derive falloff functions:
1555 * rho(r) := (2-r) * (1-r);
1558 * rhor(r) := r * rho(r);
1559 * cr(t) := integrate(rhor(r), r, a, t);
1560 * scr(t) := integrate(rhor(r) * r^2, r, a, t);
1561 * variance : scr(b) / cr(b);
1562 * solve(cr(r) = rand * cr(b), r), programmmode:false;
1563 * sqrt(0.4 / variance), numer;
1569 float mspercallsstyle;
1570 float mspercallcount;
1572 void W_SetupProjectileVelocityEx(entity missile, vector dir, vector upDir, float pSpeed, float pUpSpeed, float pZSpeed, float spread, float forceAbsolute)
1574 if(missile.owner == world)
1575 error("Unowned missile");
1577 dir = dir + upDir * (pUpSpeed / pSpeed);
1578 dir_z += pZSpeed / pSpeed;
1579 pSpeed *= vlen(dir);
1580 dir = normalize(dir);
1583 if(cvar("g_projectiles_spread_style") != mspercallsstyle)
1585 mspercallsum = mspercallcount = 0;
1586 mspercallsstyle = cvar("g_projectiles_spread_style");
1588 mspercallsum -= gettime(GETTIME_HIRES);
1590 dir = W_CalculateProjectileSpread(dir, spread);
1592 mspercallsum += gettime(GETTIME_HIRES);
1593 mspercallcount += 1;
1594 print("avg: ", ftos(mspercallcount / mspercallsum), " per sec\n");
1597 missile.velocity = W_CalculateProjectileVelocity(missile.owner.velocity, pSpeed * dir, forceAbsolute);
1600 void W_SetupProjectileVelocity(entity missile, float pSpeed, float spread)
1602 W_SetupProjectileVelocityEx(missile, w_shotdir, v_up, pSpeed, 0, 0, spread, FALSE);
1605 #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)
1606 #define W_SETUPPROJECTILEVELOCITY(m,s) W_SetupProjectileVelocityEx(m, w_shotdir, v_up, cvar(#s "_speed"), 0, 0, cvar(#s "_spread"), FALSE)