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;
43 // VorteX: static frame globals
44 float WFRAME_DONTCHANGE = -1;
45 float WFRAME_FIRE1 = 0;
46 float WFRAME_FIRE2 = 1;
47 float WFRAME_IDLE = 2;
48 float WFRAME_RELOAD = 3;
51 void(float fr, float t, void() func) weapon_thinkf;
53 vector W_HitPlotUnnormalizedUntransform(vector screenforward, vector screenright, vector screenup, vector v)
56 ret_x = screenright * v;
58 ret_z = screenforward * v;
62 vector W_HitPlotNormalizedUntransform(vector org, entity targ, vector screenforward, vector screenright, vector screenup, vector v)
65 vector mi, ma, thisv, myv, ret;
67 myv = W_HitPlotUnnormalizedUntransform(screenforward, screenright, screenup, org);
69 // x = 0..1 relative to hitbox; y = 0..1 relative to hitbox; z = distance
71 for(i = 0; i < 2; ++i) for(j = 0; j < 2; ++j) for(k = 0; k < 2; ++k)
74 if(i) thisv_x += targ.maxs_x; else thisv_x += targ.mins_x;
75 if(j) thisv_y += targ.maxs_y; else thisv_y += targ.mins_y;
76 if(k) thisv_z += targ.maxs_z; else thisv_z += targ.mins_z;
77 thisv = W_HitPlotUnnormalizedUntransform(screenforward, screenright, screenup, thisv);
80 if(mi_x > thisv_x) mi_x = thisv_x; if(ma_x < thisv_x) ma_x = thisv_x;
81 if(mi_y > thisv_y) mi_y = thisv_y; if(ma_y < thisv_y) ma_y = thisv_y;
82 //if(mi_z > thisv_z) mi_z = thisv_z; if(ma_z < thisv_z) ma_y = thisv_z;
91 thisv = W_HitPlotUnnormalizedUntransform(screenforward, screenright, screenup, v);
92 ret_x = (thisv_x - mi_x) / (ma_x - mi_x);
93 ret_y = (thisv_y - mi_y) / (ma_y - mi_y);
94 ret_z = thisv_z - myv_z;
98 void W_HitPlotAnalysis(entity player, vector screenforward, vector screenright, vector screenup)
104 if(player.hitplotfh >= 0)
106 lag = ANTILAG_LATENCY(player);
109 if(clienttype(player) != CLIENTTYPE_REAL)
110 lag = 0; // only antilag for clients
112 org = player.origin + player.view_ofs;
113 traceline_antilag_force(player, org, org + screenforward * MAX_SHOT_DISTANCE, MOVE_NORMAL, player, lag);
114 if(trace_ent.flags & FL_CLIENT)
116 antilag_takeback(trace_ent, time - lag);
117 hitplot = W_HitPlotNormalizedUntransform(org, trace_ent, screenforward, screenright, screenup, trace_endpos);
118 antilag_restore(trace_ent);
119 fputs(player.hitplotfh, strcat(ftos(hitplot_x), " ", ftos(hitplot_y), " ", ftos(hitplot_z), " ", ftos(player.switchweapon), "\n"));
120 //print(strcat(ftos(hitplot_x), " ", ftos(hitplot_y), " ", ftos(hitplot_z), "\n"));
128 // this function calculates w_shotorg and w_shotdir based on the weapon model
129 // offset, trueaim and antilag, and won't put w_shotorg inside a wall.
130 // make sure you call makevectors first (FIXME?)
131 void W_SetupShot_Dir_ProjectileSize(entity ent, vector s_forward, vector mi, vector ma, float antilag, float recoil, string snd, float maxdamage)
133 float nudge = 1; // added to traceline target and subtracted from result
134 local vector trueaimpoint;
135 local float oldsolid;
137 oldsolid = ent.dphitcontentsmask;
138 if(ent.weapon == WEP_CAMPINGRIFLE)
139 ent.dphitcontentsmask = DPCONTENTS_BODY | DPCONTENTS_CORPSE;
141 ent.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
143 traceline_antilag(world, ent.origin + ent.view_ofs, ent.origin + ent.view_ofs + s_forward * MAX_SHOT_DISTANCE, MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
144 // passing world, because we do NOT want it to touch dphitcontentsmask
146 traceline(ent.origin + ent.view_ofs, ent.origin + ent.view_ofs + s_forward * MAX_SHOT_DISTANCE, MOVE_NOMONSTERS, ent);
147 ent.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
148 trueaimpoint = trace_endpos;
151 if not(inWarmupStage) {
153 w = get_weaponinfo(ent.weapon);
154 if(w.weapon_type == WEP_TYPE_SPLASH) { // splash damage
155 ent.stats_fired[ent.weapon - 1] += maxdamage;
156 ent.stat_fired = ent.weapon + 64 * floor(ent.stats_fired[ent.weapon - 1]);
160 W_HitPlotAnalysis(ent, v_forward, v_right, v_up);
162 if(ent.weaponentity.movedir_x > 0)
164 vecs = ent.weaponentity.movedir;
170 if(debug_shotorg != '0 0 0')
171 vecs = debug_shotorg;
173 dv = v_right * vecs_y + v_up * vecs_z;
174 w_shotorg = ent.origin + ent.view_ofs + dv;
176 // now move the shotorg forward as much as requested if possible
179 if(ent.antilag_debug)
180 tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + v_forward * (vecs_x + nudge), MOVE_NORMAL, ent, ent.antilag_debug);
182 tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + v_forward * (vecs_x + nudge), MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
185 tracebox(w_shotorg, mi, ma, w_shotorg + v_forward * (vecs_x + nudge), MOVE_NORMAL, ent);
186 w_shotorg = trace_endpos - v_forward * nudge;
187 // calculate the shotdir from the chosen shotorg
188 w_shotdir = normalize(trueaimpoint - w_shotorg);
191 if (!ent.cvar_cl_noantilag)
193 if (cvar("g_antilag") == 1) // switch to "ghost" if not hitting original
195 traceline(w_shotorg, w_shotorg + w_shotdir * MAX_SHOT_DISTANCE, MOVE_NORMAL, ent);
196 if (!trace_ent.takedamage)
198 traceline_antilag_force (ent, w_shotorg, w_shotorg + w_shotdir * MAX_SHOT_DISTANCE, MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
199 if (trace_ent.takedamage && trace_ent.classname == "player")
203 traceline(w_shotorg, e.origin, MOVE_NORMAL, ent);
205 w_shotdir = normalize(trace_ent.origin - w_shotorg);
209 else if(cvar("g_antilag") == 3) // client side hitscan
211 if (ent.cursor_trace_ent) // client was aiming at someone
212 if (ent.cursor_trace_ent != ent) // just to make sure
213 if (ent.cursor_trace_ent.takedamage) // and that person is killable
214 if (ent.cursor_trace_ent.classname == "player") // and actually a player
216 // verify that the shot would miss without antilag
217 // (avoids an issue where guns would always shoot at their origin)
218 traceline(w_shotorg, w_shotorg + w_shotdir * MAX_SHOT_DISTANCE, MOVE_NORMAL, ent);
219 if (!trace_ent.takedamage)
221 // verify that the shot would hit if altered
222 traceline(w_shotorg, ent.cursor_trace_ent.origin, MOVE_NORMAL, ent);
223 if (trace_ent == ent.cursor_trace_ent)
224 w_shotdir = normalize(ent.cursor_trace_ent.origin - w_shotorg);
226 print("antilag fail\n");
232 ent.dphitcontentsmask = oldsolid; // restore solid type (generally SOLID_SLIDEBOX)
235 ent.punchangle_x = recoil * -1;
239 sound (ent, CHAN_WEAPON, snd, VOL_BASE, ATTN_NORM);
242 if (ent.items & IT_STRENGTH)
244 sound (ent, CHAN_AUTO, "weapons/strength_fire.wav", VOL_BASE, ATTN_NORM);
247 #define W_SetupShot_ProjectileSize(ent,mi,ma,antilag,recoil,snd,maxdamage) W_SetupShot_Dir_ProjectileSize(ent, v_forward, mi, ma, antilag, recoil, snd, maxdamage)
248 #define W_SetupShot_Dir(ent,s_forward,antilag,recoil,snd,maxdamage) W_SetupShot_Dir_ProjectileSize(ent, s_forward, '0 0 0', '0 0 0', antilag, recoil, snd, maxdamage)
249 #define W_SetupShot(ent,antilag,recoil,snd,maxdamage) W_SetupShot_ProjectileSize(ent, '0 0 0', '0 0 0', antilag, recoil, snd, maxdamage)
251 void LaserTarget_Think()
258 // list of weapons that will use the laser, and the options that enable it
259 if(self.owner.laser_on && self.owner.weapon == WEP_ROCKET_LAUNCHER && g_laserguided_missile)
262 //if(self.owner.weapon == WEP_ELECTRO && cvar("g_laserguided_electro"))
267 // if a laser-enabled weapon isn't selected, delete any existing laser and quit
270 // rocket launcher isn't selected, so no laser target.
271 if(self.lasertarget != world)
273 remove(self.lasertarget);
274 self.lasertarget = world;
279 if(!self.lasertarget)
281 // we don't have a lasertarget entity, so spawn one
282 //bprint("create laser target\n");
283 e = self.lasertarget = spawn();
284 e.owner = self.owner; // Its owner is my owner
285 e.classname = "laser_target";
286 e.movetype = MOVETYPE_NOCLIP; // don't touch things
287 setmodel(e, "models/laser_dot.mdl"); // what it looks like, precision set below
288 e.scale = 1.25; // make it larger
289 e.alpha = 0.25; // transparency
290 e.colormod = '255 0 0' * (1/255) * 8; // change colors
291 e.effects = EF_FULLBRIGHT | EF_LOWPRECISION;
292 // make it dynamically glow
293 // you should avoid over-using this, as it can slow down the player's computer.
294 e.glow_color = 251; // red color
298 e = self.lasertarget;
300 // move the laser dot to where the player is looking
302 makevectors(self.owner.v_angle); // set v_forward etc to the direction the player is looking
303 offset = '0 0 26' + v_right*3;
304 traceline(self.owner.origin + offset, self.owner.origin + offset + v_forward * MAX_SHOT_DISTANCE, FALSE, self); // trace forward until you hit something, like a player or wall
305 setorigin(e, trace_endpos + v_forward*8); // move me to where the traceline ended
306 if(trace_plane_normal != '0 0 0')
307 e.angles = vectoangles(trace_plane_normal);
309 e.angles = vectoangles(v_forward);
312 float CL_Weaponentity_CustomizeEntityForClient()
314 self.viewmodelforclient = self.owner;
315 if(other.classname == "spectator")
316 if(other.enemy == self.owner)
317 self.viewmodelforclient = other;
321 float qcweaponanimation;
322 vector weapon_offset = '0 -10 0';
323 vector weapon_adjust = '10 0 -15';
324 .vector weapon_morph0origin;
325 .vector weapon_morph0angles;
326 .float weapon_morph0time;
327 .vector weapon_morph1origin;
328 .vector weapon_morph1angles;
329 .float weapon_morph1time;
330 .vector weapon_morph2origin;
331 .vector weapon_morph2angles;
332 .float weapon_morph2time;
333 .vector weapon_morph3origin;
334 .vector weapon_morph3angles;
335 .float weapon_morph3time;
336 .vector weapon_morph4origin;
337 .vector weapon_morph4angles;
338 .float weapon_morph4time;
340 #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)
345 * 1. simple animated model, muzzlr flash handling on h_ model:
346 * h_tuba.dpm, h_tuba.dpm.framegroups - invisible model controlling the animation
348 * shot = muzzle end (shot origin, also used for muzzle flashes)
349 * shell = casings ejection point (must be on the right hand side of the gun)
350 * weapon = attachment for v_tuba.md3
351 * v_tuba.md3 - first and third person model
352 * g_tuba.md3 - pickup model
354 * 2. fully animated model, muzzle flash handling on h_ model:
355 * h_tuba.dpm, h_tuba.dpm.framegroups - animated first person model
357 * shot = muzzle end (shot origin, also used for muzzle flashes)
358 * shell = casings ejection point (must be on the right hand side of the gun)
359 * handle = corresponding to the origin of v_tuba.md3 (used for muzzle flashes)
360 * v_tuba.md3 - third person model
361 * g_tuba.md3 - pickup model
363 * 3. fully animated model, muzzle flash handling on v_ model:
364 * h_tuba.dpm, h_tuba.dpm.framegroups - animated first person model
366 * shot = muzzle end (shot origin)
367 * shell = casings ejection point (must be on the right hand side of the gun)
368 * v_tuba.md3 - third person model
370 * shot = muzzle end (for muzzle flashes)
371 * g_tuba.md3 - pickup model
374 void CL_Weaponentity_Think()
376 float tb, v_shot_idx;
377 self.nextthink = time;
378 if (intermission_running)
379 self.frame = self.anim_idle_x;
380 if (self.owner.weaponentity != self)
382 if (self.weaponentity)
383 remove(self.weaponentity);
387 if (self.owner.deadflag != DEAD_NO)
390 if (self.weaponentity)
391 self.weaponentity.model = "";
394 if (self.cnt != self.owner.weapon || self.dmg != self.owner.modelindex || self.deadflag != self.owner.deadflag)
396 self.cnt = self.owner.weapon;
397 self.dmg = self.owner.modelindex;
398 self.deadflag = self.owner.deadflag;
402 if (self.owner.weaponname != "")
404 // if there is a child entity, hide it until we're sure we use it
405 if (self.weaponentity)
406 self.weaponentity.model = "";
407 setmodel(self, strcat("models/weapons/v_", self.owner.weaponname, ".md3")); // precision set below
408 v_shot_idx = gettagindex(self, "shot"); // used later
410 v_shot_idx = gettagindex(self, "tag_shot");
412 if(qcweaponanimation)
414 self.angles = '0 0 0';
415 makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
416 self.movedir = weapon_offset_x * v_forward - weapon_offset_y * v_right + weapon_offset_z * v_up + weapon_adjust;
417 self.movedir_x += 32;
418 self.spawnorigin = self.movedir;
419 // oldorigin - not calculated here
423 setmodel(self, strcat("models/weapons/h_", self.owner.weaponname, ".dpm")); // precision set below
424 animfilename = strcat("models/weapons/h_", self.owner.weaponname, ".dpm.animinfo");
425 animfile = fopen(animfilename, FILE_READ);
426 // preset some defaults that work great for renamed zym files (which don't need an animinfo)
427 self.anim_fire1 = '0 1 0.01';
428 self.anim_fire2 = '1 1 0.01';
429 self.anim_idle = '2 1 0.01';
430 self.anim_reload = '3 1 0.01';
433 animparseerror = FALSE;
434 self.anim_fire1 = animparseline(animfile);
435 self.anim_fire2 = animparseline(animfile);
436 self.anim_idle = animparseline(animfile);
437 self.anim_reload = animparseline(animfile);
440 print("Parse error in ", animfilename, ", some player animations are broken\n");
443 // if we have a "weapon" tag, let's attach the v_ model to it ("invisible hand" style model)
444 // if we don't, this is a "real" animated model
445 if(gettagindex(self, "weapon"))
447 if (!self.weaponentity)
448 self.weaponentity = spawn();
449 setmodel(self.weaponentity, strcat("models/weapons/v_", self.owner.weaponname, ".md3")); // precision does not matter
450 setattachment(self.weaponentity, self, "weapon");
452 else if(gettagindex(self, "tag_weapon"))
454 if (!self.weaponentity)
455 self.weaponentity = spawn();
456 setmodel(self.weaponentity, strcat("models/weapons/v_", self.owner.weaponname, ".md3")); // precision does not matter
457 setattachment(self.weaponentity, self, "tag_weapon");
461 if(self.weaponentity)
462 remove(self.weaponentity);
463 self.weaponentity = world;
466 setorigin(self,'0 0 0');
467 self.angles = '0 0 0';
469 self.viewmodelforclient = world;
472 idx = gettagindex(self, "shot");
474 idx = gettagindex(self, "tag_shot");
477 self.movedir = gettaginfo(self, idx);
481 print("WARNING: weapon model ", self.model, " does not support the 'shot' tag, will display shots TOTALLY wrong\n");
482 self.movedir = '0 0 0';
485 idx = gettagindex(self, "shell");
487 idx = gettagindex(self, "tag_shell");
490 self.spawnorigin = gettaginfo(self, idx);
494 print("WARNING: weapon model ", self.model, " does not support the 'shell' tag, will display casings wrong\n");
495 self.spawnorigin = self.movedir;
500 self.oldorigin = '0 0 0';
504 if(self.weaponentity)
506 idx = gettagindex(self, "weapon");
508 idx = gettagindex(self, "tag_weapon");
512 idx = gettagindex(self, "handle");
514 idx = gettagindex(self, "tag_handle");
518 self.oldorigin = self.movedir - gettaginfo(self, idx);
522 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");
523 self.oldorigin = '0 0 0'; // there is no way to recover from this
527 self.viewmodelforclient = self.owner;
533 if(self.weaponentity)
534 remove(self.weaponentity);
535 self.weaponentity = world;
536 self.movedir = '0 0 0';
537 self.spawnorigin = '0 0 0';
538 self.oldorigin = '0 0 0';
539 self.anim_fire1 = '0 1 0.01';
540 self.anim_fire2 = '0 1 0.01';
541 self.anim_idle = '0 1 0.01';
542 self.anim_reload = '0 1 0.01';
545 self.view_ofs = '0 0 0';
547 if(self.movedir_x >= 0)
551 self.movedir = shotorg_adjust(v0, FALSE, FALSE);
552 self.view_ofs = shotorg_adjust(v0, FALSE, TRUE) - v0;
554 self.owner.stat_shotorg = compressShotOrigin(self.movedir);
555 self.movedir = decompressShotOrigin(self.owner.stat_shotorg); // make them match perfectly
557 self.spawnorigin += self.view_ofs; // offset the casings origin by the same amount
559 // check if an instant weapon switch occurred
560 if (qcweaponanimation)
562 if (self.state == WS_READY)
564 self.angles = '0 0 0';
565 makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
566 setorigin(self, QCWEAPONANIMATION_ORIGIN(self));
570 setorigin(self, self.view_ofs);
571 // reset animstate now
572 self.wframe = WFRAME_IDLE;
573 self.weapon_morph0time = 0;
574 self.weapon_morph1time = 0;
575 self.weapon_morph2time = 0;
576 self.weapon_morph3time = 0;
577 self.weapon_morph4time = 0;
578 setanim(self, self.anim_idle, TRUE, FALSE, TRUE);
581 tb = (self.effects & (EF_TELEPORT_BIT | EF_RESTARTANIM_BIT));
582 self.effects = self.owner.effects & EFMASK_CHEAP;
583 self.effects &~= EF_LOWPRECISION;
584 self.effects &~= EF_FULLBRIGHT; // can mask team color, so get rid of it
585 self.effects &~= EF_TELEPORT_BIT;
586 self.effects &~= EF_RESTARTANIM_BIT;
589 if(self.owner.alpha == default_player_alpha)
590 self.alpha = default_weapon_alpha;
591 else if(self.owner.alpha != 0)
592 self.alpha = self.owner.alpha;
596 self.colormap = self.owner.colormap;
597 if (self.weaponentity)
599 self.weaponentity.effects = self.effects;
600 self.weaponentity.alpha = self.alpha;
601 self.weaponentity.colormap = self.colormap;
604 self.angles = '0 0 0';
607 if (self.state == WS_RAISE && !intermission_running)
609 f = (self.owner.weapon_nextthink - time) * g_weaponratefactor / cvar("g_balance_weaponswitchdelay");
610 self.angles_x = -90 * f * f;
611 if (qcweaponanimation)
613 makevectors(self.angles_x * '-1 0 0' + self.angles_y * '0 1 0' + self.angles_z * '0 0 1');
614 setorigin(self, QCWEAPONANIMATION_ORIGIN(self));
617 else if (self.state == WS_DROP && !intermission_running)
619 f = 1 - (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_CLEAR)
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 (qcweaponanimation && time < self.owner.weapon_morph1time)
639 f = (time - self.owner.weapon_morph0time) / (self.owner.weapon_morph1time - self.owner.weapon_morph0time);
640 f = 1 - pow(1 - f, 3);
641 self.angles = self.owner.weapon_morph0angles * (1 - f) + self.owner.weapon_morph1angles * f;
642 setorigin(self, self.owner.weapon_morph0origin * (1 - f) + self.owner.weapon_morph1origin * f);
644 else if (qcweaponanimation && time < self.owner.weapon_morph2time)
646 f = (time - self.owner.weapon_morph1time) / (self.owner.weapon_morph2time - self.owner.weapon_morph1time);
647 f = 1 - pow(1 - f, 3);
648 self.angles = self.owner.weapon_morph1angles * (1 - f) + self.owner.weapon_morph2angles * f;
649 setorigin(self, self.owner.weapon_morph1origin * (1 - f) + self.owner.weapon_morph2origin * f);
651 else if (qcweaponanimation && time < self.owner.weapon_morph3time)
653 f = (time - self.owner.weapon_morph2time) / (self.owner.weapon_morph3time - self.owner.weapon_morph2time);
654 f = 1 - pow(1 - f, 3);
655 self.angles = self.owner.weapon_morph2angles * (1 - f) + self.owner.weapon_morph3angles * f;
656 setorigin(self, self.owner.weapon_morph2origin * (1 - f) + self.owner.weapon_morph3origin * f);
658 else if (qcweaponanimation && time < self.owner.weapon_morph4time)
660 f = (time - self.owner.weapon_morph3time) / (self.owner.weapon_morph4time - self.owner.weapon_morph3time);
661 f = 1 - pow(1 - f, 3);
662 self.angles = self.owner.weapon_morph3angles * (1 - f) + self.owner.weapon_morph4angles * f;
663 setorigin(self, self.owner.weapon_morph3origin * (1 - f) + self.owner.weapon_morph4origin * f);
665 else if (qcweaponanimation)
667 // begin a new idle morph
668 self.owner.weapon_morph0time = time;
669 self.owner.weapon_morph0angles = self.angles;
670 self.owner.weapon_morph0origin = self.origin;
678 // turn gun to the left to look at it
680 self.owner.weapon_morph1time = time + t * 0.2;
681 self.owner.weapon_morph1angles = randomvec() * 3 + '-5 30 0';
682 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');
683 self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
685 self.owner.weapon_morph2time = time + t * 0.6;
686 self.owner.weapon_morph2angles = randomvec() * 3 + '-5 30 0';
687 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');
688 self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
690 self.owner.weapon_morph3time = time + t;
691 self.owner.weapon_morph3angles = '0 0 0';
692 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');
693 self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
697 // raise the gun a bit
699 self.owner.weapon_morph1time = time + t * 0.2;
700 self.owner.weapon_morph1angles = randomvec() * 3 + '30 -10 0';
701 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');
702 self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
704 self.owner.weapon_morph2time = time + t * 0.5;
705 self.owner.weapon_morph2angles = randomvec() * 3 + '30 -10 5';
706 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');
707 self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
709 self.owner.weapon_morph3time = time + t;
710 self.owner.weapon_morph3angles = '0 0 0';
711 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');
712 self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
718 self.owner.weapon_morph1time = time + t * 0.3;
719 self.owner.weapon_morph1angles = randomvec() * 6;
720 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');
721 self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
723 self.owner.weapon_morph2time = time + t * 0.7;
724 self.owner.weapon_morph2angles = randomvec() * 6;
725 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');
726 self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
728 self.owner.weapon_morph3time = time + t;
729 self.owner.weapon_morph3angles = '0 0 0';
730 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');
731 self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
735 // hold it mostly steady
736 t = random() * 6 + 4;
737 self.owner.weapon_morph1time = time + t * 0.2;
738 self.owner.weapon_morph1angles = randomvec() * 1;
739 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');
740 self.owner.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self);
742 self.owner.weapon_morph2time = time + t * 0.5;
743 self.owner.weapon_morph2angles = randomvec() * 1;
744 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');
745 self.owner.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self);
747 self.owner.weapon_morph3time = time + t * 0.7;
748 self.owner.weapon_morph3angles = randomvec() * 1;
749 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');
750 self.owner.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self);
753 self.owner.weapon_morph4time = time + t;
754 self.owner.weapon_morph4angles = '0 0 0';
755 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');
756 self.owner.weapon_morph4origin = QCWEAPONANIMATION_ORIGIN(self);
760 // create or update the lasertarget entity
764 void CL_ExteriorWeaponentity_Think()
768 self.nextthink = time;
769 if (self.owner.exteriorweaponentity != self)
774 if (self.owner.deadflag != DEAD_NO)
779 if (self.cnt != self.owner.weapon || self.dmg != self.owner.modelindex || self.deadflag != self.owner.deadflag)
781 self.cnt = self.owner.weapon;
782 self.dmg = self.owner.modelindex;
783 self.deadflag = self.owner.deadflag;
784 if (self.owner.weaponname != "")
785 setmodel(self, strcat("models/weapons/v_", self.owner.weaponname, ".md3")); // precision set below
789 if((tag_found = gettagindex(self.owner, "tag_weapon")))
791 self.tag_index = tag_found;
792 self.tag_entity = self.owner;
795 setattachment(self, self.owner, "bip01 r hand");
797 // if that didn't find a tag, hide the exterior weapon model
801 self.effects = self.owner.effects | EF_LOWPRECISION;
802 self.effects = self.effects & EFMASK_CHEAP; // eat performance
803 if(self.owner.alpha == default_player_alpha)
804 self.alpha = default_weapon_alpha;
805 else if(self.owner.alpha != 0)
806 self.alpha = self.owner.alpha;
810 ang_x = bound(sv_pitch_min, self.owner.v_angle_x, sv_pitch_max);
814 if(sv_pitch_fixyaw) // workaround for stupid player models that don't aim forward
816 ang_y = self.owner.v_angle_y;
818 var vector v = v_forward;
819 var float t = self.frame1time;
820 self.frame1time = time;
821 gettaginfo(self.tag_entity, self.tag_index);
823 // untransform v according to this coordinate space
828 self.angles = vectoangles(w);
832 ang_x = -/* don't ask */ang_x;
836 self.colormap = self.owner.colormap;
839 // spawning weaponentity for client
840 void CL_SpawnWeaponentity()
842 self.weaponentity = spawn();
843 self.weaponentity.classname = "weaponentity";
844 self.weaponentity.solid = SOLID_NOT;
845 self.weaponentity.owner = self;
846 setmodel(self.weaponentity, ""); // precision set when changed
847 setorigin(self.weaponentity, '0 0 0');
848 self.weaponentity.angles = '0 0 0';
849 self.weaponentity.viewmodelforclient = self;
850 self.weaponentity.flags = 0;
851 self.weaponentity.think = CL_Weaponentity_Think;
852 self.weaponentity.customizeentityforclient = CL_Weaponentity_CustomizeEntityForClient;
853 self.weaponentity.nextthink = time;
855 self.exteriorweaponentity = spawn();
856 self.exteriorweaponentity.classname = "exteriorweaponentity";
857 self.exteriorweaponentity.solid = SOLID_NOT;
858 self.exteriorweaponentity.exteriorweaponentity = self.exteriorweaponentity;
859 self.exteriorweaponentity.owner = self;
860 setorigin(self.exteriorweaponentity, '0 0 0');
861 self.exteriorweaponentity.angles = '0 0 0';
862 self.exteriorweaponentity.think = CL_ExteriorWeaponentity_Think;
863 self.exteriorweaponentity.nextthink = time;
866 .float hasweapon_complain_spam;
868 float client_hasweapon(entity cl, float wpn, float andammo, float complain)
870 local float weaponbit, f;
871 local entity oldself;
873 if(time < self.hasweapon_complain_spam)
876 self.hasweapon_complain_spam = time + 0.2;
878 if (wpn < WEP_FIRST || wpn > WEP_LAST)
881 sprint(self, "Invalid weapon\n");
884 weaponbit = W_WeaponBit(wpn);
885 if (cl.weapons & weaponbit)
889 if(cl.items & IT_UNLIMITED_WEAPON_AMMO)
897 f = weapon_action(wpn, WR_CHECKAMMO1);
898 f = f + weapon_action(wpn, WR_CHECKAMMO2);
904 if(clienttype(cl) == CLIENTTYPE_REAL)
906 play2(cl, "weapons/unavailable.wav");
907 sprint(cl, strcat("You don't have any ammo for the ^2", W_Name(wpn), "\n"));
917 // Report Proper Weapon Status / Modified Weapon Ownership Message
918 if(weaponsInMap & weaponbit)
920 sprint(cl, strcat("You do not have the ^2", W_Name(wpn), "\n") );
922 if(cvar("g_showweaponspawns"))
927 e = get_weaponinfo(wpn);
930 for(e = world; (e = findfloat(e, weapons, weaponbit)); )
932 if(e.classname == "droppedweapon")
934 if not(e.flags & FL_ITEM)
936 WaypointSprite_Spawn(
948 sprint(cl, strcat("The ^2", W_Name(wpn), "^7 is ^1NOT AVAILABLE^7 in this map\n") );
950 play2(cl, "weapons/unavailable.wav");
958 if (self.weapon != -1)
960 if (self.weaponentity)
962 self.weaponentity.state = WS_CLEAR;
963 self.weaponentity.effects = 0;
969 if (self.weaponentity)
970 self.weaponentity.state = WS_READY;
971 weapon_thinkf(WFRAME_IDLE, 1000000, w_ready);
974 // Setup weapon for client (after this raise frame will be launched)
975 void weapon_setup(float windex)
978 qcweaponanimation = cvar("sv_qcweaponanimation");
979 e = get_weaponinfo(windex);
980 self.items &~= IT_AMMO;
981 self.items = self.items | e.items;
983 // the two weapon entities will notice this has changed and update their models
984 self.weapon = windex;
985 self.weaponname = e.mdl;
986 self.bulletcounter = 0;
989 // perform weapon to attack (weaponstate and attack_finished check is here)
991 float weapon_prepareattack(float secondary, float attacktime)
993 //if sv_ready_restart_after_countdown is set, don't allow the player to shoot
994 //if all players readied up and the countdown is running
995 if(time < game_starttime || time < self.race_penalty) {
999 if not(self.items & IT_UNLIMITED_WEAPON_AMMO)
1000 if (!weapon_action(self.weapon, WR_CHECKAMMO1 + secondary))
1002 // hack to ensure it switches to an OTHER weapon (in case the other fire mode still has ammo, we want that anyway)
1004 w = W_WeaponBit(self.weapon);
1006 ww = w_getbestweapon(self);
1009 W_SwitchWeapon_Force(self, ww);
1013 if (timeoutStatus == 2) //don't allow the player to shoot while game is paused
1016 // do not even think about shooting if switching
1017 if(self.switchweapon != self.weapon)
1022 // don't fire if previous attack is not finished
1023 if (ATTACK_FINISHED(self) > time + self.weapon_frametime * 0.5)
1025 // don't fire while changing weapon
1026 if (self.weaponentity.state != WS_READY)
1029 self.weaponentity.state = WS_INUSE;
1031 self.spawnshieldtime = min(self.spawnshieldtime, time); // kill spawn shield when you fire
1033 // if the weapon hasn't been firing continuously, reset the timer
1036 if (ATTACK_FINISHED(self) < time - self.weapon_frametime * 1.5)
1038 ATTACK_FINISHED(self) = time;
1039 //dprint("resetting attack finished to ", ftos(time), "\n");
1041 ATTACK_FINISHED(self) = ATTACK_FINISHED(self) + attacktime * W_WeaponRateFactor();
1043 self.bulletcounter += 1;
1044 //dprint("attack finished ", ftos(ATTACK_FINISHED(self)), "\n");
1048 void weapon_thinkf(float fr, float t, void() func)
1054 if(fr == WFRAME_DONTCHANGE)
1056 fr = self.weaponentity.wframe;
1057 restartanim = FALSE;
1059 else if (fr == WFRAME_IDLE)
1060 restartanim = FALSE;
1068 if (self.weaponentity)
1070 self.weaponentity.wframe = fr;
1071 if (qcweaponanimation)
1073 if (fr != WFRAME_IDLE)
1075 self.weapon_morph0time = time;
1076 self.weapon_morph0angles = self.weaponentity.angles;
1077 self.weapon_morph0origin = self.weaponentity.origin;
1079 self.weapon_morph1angles = '0 0 0';
1080 self.weapon_morph1time = time + t;
1081 makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1082 self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1084 self.weapon_morph2angles = '0 0 0';
1085 self.weapon_morph2time = time + t;
1086 makevectors(self.weapon_morph2angles_x * '-1 0 0' + self.weapon_morph2angles_y * '0 1 0' + self.weapon_morph2angles_z * '0 0 1');
1087 self.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1089 self.weapon_morph3angles = '0 0 0';
1090 self.weapon_morph3time = time + t;
1091 makevectors(self.weapon_morph3angles_x * '-1 0 0' + self.weapon_morph3angles_y * '0 1 0' + self.weapon_morph3angles_z * '0 0 1');
1092 self.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1094 self.weapon_morph4angles = '0 0 0';
1095 self.weapon_morph4time = time + t;
1096 makevectors(self.weapon_morph4angles_x * '-1 0 0' + self.weapon_morph4angles_y * '0 1 0' + self.weapon_morph4angles_z * '0 0 1');
1097 self.weapon_morph4origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1099 if (fr == WFRAME_FIRE1)
1101 self.weapon_morph1angles = '5 0 0';
1102 self.weapon_morph1time = time + t * 0.1;
1103 makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1104 self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1105 self.weapon_morph4time = time + t + 1; // delay idle effect
1107 else if (fr == WFRAME_FIRE2)
1109 self.weapon_morph1angles = '10 0 0';
1110 self.weapon_morph1time = time + t * 0.1;
1111 makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1112 self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1113 self.weapon_morph4time = time + t + 1; // delay idle effect
1115 else if (fr == WFRAME_RELOAD)
1117 self.weapon_morph1time = time + t * 0.05;
1118 self.weapon_morph1angles = '-10 40 0';
1119 makevectors(self.weapon_morph1angles_x * '-1 0 0' + self.weapon_morph1angles_y * '0 1 0' + self.weapon_morph1angles_z * '0 0 1');
1120 self.weapon_morph1origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1122 self.weapon_morph2time = time + t * 0.15;
1123 self.weapon_morph2angles = '-10 40 5';
1124 makevectors(self.weapon_morph2angles_x * '-1 0 0' + self.weapon_morph2angles_y * '0 1 0' + self.weapon_morph2angles_z * '0 0 1');
1125 self.weapon_morph2origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1127 self.weapon_morph3time = time + t * 0.25;
1128 self.weapon_morph3angles = '-10 40 0';
1129 makevectors(self.weapon_morph3angles_x * '-1 0 0' + self.weapon_morph3angles_y * '0 1 0' + self.weapon_morph3angles_z * '0 0 1');
1130 self.weapon_morph3origin = QCWEAPONANIMATION_ORIGIN(self.weaponentity);
1136 if (fr == WFRAME_IDLE)
1137 a = self.weaponentity.anim_idle;
1138 else if (fr == WFRAME_FIRE1)
1139 a = self.weaponentity.anim_fire1;
1140 else if (fr == WFRAME_FIRE2)
1141 a = self.weaponentity.anim_fire2;
1142 else if (fr == WFRAME_RELOAD)
1143 a = self.weaponentity.anim_reload;
1144 a_z *= g_weaponratefactor;
1145 setanim(self.weaponentity, a, restartanim == FALSE, restartanim, restartanim);
1153 if(self.weapon_think == w_ready && func != w_ready && self.weaponentity.state == WS_RAISE)
1155 backtrace("Tried to override initial weapon think function - should this really happen?");
1158 t *= W_WeaponRateFactor();
1160 // VorteX: haste can be added here
1161 if (self.weapon_think == w_ready)
1163 self.weapon_nextthink = time;
1164 //dprint("started firing at ", ftos(time), "\n");
1166 if (self.weapon_nextthink < time - self.weapon_frametime * 1.5 || self.weapon_nextthink > time + self.weapon_frametime * 1.5)
1168 self.weapon_nextthink = time;
1169 //dprint("reset weapon animation timer at ", ftos(time), "\n");
1171 self.weapon_nextthink = self.weapon_nextthink + t;
1172 self.weapon_think = func;
1173 //dprint("next ", ftos(self.weapon_nextthink), "\n");
1177 if (!self.crouch) // shoot anim stands up, this looks bad
1180 anim = self.anim_shoot;
1181 anim_z = anim_y / (t + sys_frametime);
1182 setanim(self, anim, FALSE, TRUE, TRUE);
1186 void weapon_boblayer1(float spd, vector org)
1188 // VorteX: haste can be added here
1191 vector W_CalculateProjectileVelocity(vector pvelocity, vector mvelocity)
1199 mvelocity = mvelocity * g_weaponspeedfactor;
1201 mdirection = normalize(mvelocity);
1202 mspeed = vlen(mvelocity);
1204 nstyle = cvar("g_projectiles_newton_style");
1207 // absolute velocity
1208 outvelocity = mvelocity;
1210 else if(nstyle == 1)
1212 // true Newtonian projectiles
1213 outvelocity = pvelocity + mvelocity;
1215 else if(nstyle == 2)
1217 // true Newtonian projectiles with automatic aim adjustment
1219 // solve: |outspeed * mdirection - pvelocity| = mspeed
1220 // outspeed^2 - 2 * outspeed * (mdirection * pvelocity) + pvelocity^2 - mspeed^2 = 0
1221 // outspeed = (mdirection * pvelocity) +- sqrt((mdirection * pvelocity)^2 - pvelocity^2 + mspeed^2)
1225 // pvelocity^2 - (mdirection * pvelocity)^2 > mspeed^2
1226 // velocity without mdirection component > mspeed
1227 // fire at smallest possible mspeed that works?
1228 // |(mdirection * pvelocity) * pvelocity - pvelocity| = mspeed
1231 solution = solve_quadratic(1, -2 * (mdirection * pvelocity), pvelocity * pvelocity - mspeed * mspeed);
1233 outspeed = solution_y; // the larger one
1236 //outspeed = 0; // slowest possible shot
1237 outspeed = solution_x; // the real part (that is, the average!)
1238 //dprint("impossible shot, adjusting\n");
1241 outspeed = bound(mspeed * cvar("g_projectiles_newton_style_2_minfactor"), outspeed, mspeed * cvar("g_projectiles_newton_style_2_maxfactor"));
1242 outvelocity = mdirection * outspeed;
1244 else if(nstyle == 3)
1246 // pseudo-Newtonian:
1247 outspeed = mspeed + mdirection * pvelocity;
1248 outspeed = bound(mspeed * 0.7, outspeed, mspeed * 5.0);
1249 outvelocity = mdirection * outspeed;
1251 else if(nstyle == 4)
1254 outspeed = mspeed + vlen(pvelocity);
1255 outvelocity = mdirection * outspeed;
1258 error("g_projectiles_newton_style must be 0 (absolute), 1 (Newtonian), 2 (Newtonian + aimfix), 3 (pseudo Newtonian) or 4 (tZorkian)!");
1263 void W_AttachToShotorg(entity flash, vector offset)
1267 flash.angles_z = random() * 360;
1268 if(qcweaponanimation)
1270 setorigin(flash, w_shotorg + w_shotdir * 50);
1271 flash.angles = vectoangles(w_shotdir);
1272 flash.angles_z = random() * 360;
1276 setattachment(flash, self.weaponentity, "shot");
1277 setorigin(flash, offset);
1280 copyentity(flash, xflash);
1282 flash.viewmodelforclient = self;
1284 if(self.weaponentity.oldorigin_x > 0)
1286 setattachment(xflash, self.exteriorweaponentity, "");
1287 setorigin(xflash, self.weaponentity.oldorigin + offset);
1291 setattachment(xflash, self.exteriorweaponentity, "shot");
1296 vector cliptoplane(vector v, vector p)
1298 return v - (v * p) * p;
1301 vector solve_cubic_pq(float p, float q)
1304 D = q*q/4.0 + p*p*p/27.0;
1308 a = 1.0/3.0 * acos(-q/2.0 * sqrt(-27.0/(p*p*p)));
1309 u = sqrt(-4.0/3.0 * p);
1310 // a in range 0..pi/3
1317 '1 0 0' * cos(a + 2.0/3.0*M_PI)
1319 '0 1 0' * cos(a + 4.0/3.0*M_PI)
1332 return '1 1 0' * v + '0 0 1' * u;
1334 return '0 1 1' * v + '1 0 0' * u;
1339 u = cbrt(-q/2.0 + sqrt(D));
1340 v = cbrt(-q/2.0 - sqrt(D));
1341 return '1 1 1' * (u + v);
1344 vector solve_cubic_abcd(float a, float b, float c, float d)
1350 p = (9*a*c - 3*b*b);
1351 q = (27*a*a*d - 9*a*b*c + 2*b*b*b);
1352 v = solve_cubic_pq(p, q);
1353 v = (v - b * '1 1 1') * (1.0 / (3.0 * a));
1355 v += '1 0 -1' * (v_z - v_x); // swap x, z
1359 vector findperpendicular(vector v)
1365 return normalize(cliptoplane(p, v));
1368 vector W_CalculateProjectileSpread(vector forward, float spread)
1376 sstyle = cvar("g_projectiles_spread_style");
1380 // this is the baseline for the spread value!
1381 // standard deviation: sqrt(2/5)
1382 // density function: sqrt(1-r^2)
1383 return forward + randomvec() * spread;
1385 else if(sstyle == 1)
1387 // same thing, basically
1388 return normalize(forward + cliptoplane(randomvec() * spread, forward));
1390 else if(sstyle == 2)
1392 // circle spread... has at sigma=1 a standard deviation of sqrt(1/2)
1393 sigma = spread * 0.89442719099991587855; // match baseline stddev
1394 v1 = findperpendicular(forward);
1395 v2 = cross(forward, v1);
1396 // random point on unit circle
1397 dx = random() * 2 * M_PI;
1400 // radius in our dist function
1403 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1405 else if(sstyle == 3) // gauss 3d
1407 sigma = spread * 0.44721359549996; // match baseline stddev
1408 // note: 2D gaussian has sqrt(2) times the stddev of 1D, so this factor is right
1410 v1_x += gsl_ran_gaussian(sigma);
1411 v1_y += gsl_ran_gaussian(sigma);
1412 v1_z += gsl_ran_gaussian(sigma);
1415 else if(sstyle == 4) // gauss 2d
1417 sigma = spread * 0.44721359549996; // match baseline stddev
1418 // note: 2D gaussian has sqrt(2) times the stddev of 1D, so this factor is right
1419 v1_x = gsl_ran_gaussian(sigma);
1420 v1_y = gsl_ran_gaussian(sigma);
1421 v1_z = gsl_ran_gaussian(sigma);
1422 return normalize(forward + cliptoplane(v1, forward));
1424 else if(sstyle == 5) // 1-r
1426 sigma = spread * 1.154700538379252; // match baseline stddev
1427 v1 = findperpendicular(forward);
1428 v2 = cross(forward, v1);
1429 // random point on unit circle
1430 dx = random() * 2 * M_PI;
1433 // radius in our dist function
1435 r = solve_cubic_abcd(-2, 3, 0, -r) * '0 1 0';
1436 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1438 else if(sstyle == 6) // 1-r^2
1440 sigma = spread * 1.095445115010332; // match baseline stddev
1441 v1 = findperpendicular(forward);
1442 v2 = cross(forward, v1);
1443 // random point on unit circle
1444 dx = random() * 2 * M_PI;
1447 // radius in our dist function
1451 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1453 else if(sstyle == 7) // (1-r) (2-r)
1455 sigma = spread * 1.224744871391589; // match baseline stddev
1456 v1 = findperpendicular(forward);
1457 v2 = cross(forward, v1);
1458 // random point on unit circle
1459 dx = random() * 2 * M_PI;
1462 // radius in our dist function
1466 return normalize(forward + (v1 * dx + v2 * dy) * r * sigma);
1469 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)!");
1472 * how to derive falloff functions:
1473 * rho(r) := (2-r) * (1-r);
1476 * rhor(r) := r * rho(r);
1477 * cr(t) := integrate(rhor(r), r, a, t);
1478 * scr(t) := integrate(rhor(r) * r^2, r, a, t);
1479 * variance : scr(b) / cr(b);
1480 * solve(cr(r) = rand * cr(b), r), programmmode:false;
1481 * sqrt(0.4 / variance), numer;
1487 float mspercallsstyle;
1488 float mspercallcount;
1490 void W_SetupProjectileVelocityEx(entity missile, vector dir, vector upDir, float pSpeed, float pUpSpeed, float spread)
1492 if(missile.owner == world)
1493 error("Unowned missile");
1495 dir = dir + upDir * (pUpSpeed / pSpeed);
1496 pSpeed *= vlen(dir);
1497 dir = normalize(dir);
1500 if(cvar("g_projectiles_spread_style") != mspercallsstyle)
1502 mspercallsum = mspercallcount = 0;
1503 mspercallsstyle = cvar("g_projectiles_spread_style");
1505 mspercallsum -= gettime(GETTIME_HIRES);
1507 dir = W_CalculateProjectileSpread(dir, spread);
1509 mspercallsum += gettime(GETTIME_HIRES);
1510 mspercallcount += 1;
1511 print("avg: ", ftos(mspercallcount / mspercallsum), " per sec\n");
1514 missile.velocity = W_CalculateProjectileVelocity(missile.owner.velocity, pSpeed * dir);
1517 void W_SetupProjectileVelocity(entity missile, float pSpeed, float spread)
1519 W_SetupProjectileVelocityEx(missile, w_shotdir, v_up, pSpeed, 0, spread);
1522 #define W_SETUPPROJECTILEVELOCITY_UP(m,s) W_SetupProjectileVelocityEx(m, w_shotdir, v_up, cvar(#s "_speed"), cvar(#s "_speed_up"), cvar(#s "_spread"))
1523 #define W_SETUPPROJECTILEVELOCITY(m,s) W_SetupProjectileVelocityEx(m, w_shotdir, v_up, cvar(#s "_speed"), 0, cvar(#s "_spread"))