3 #include <common/effects/all.qh>
8 #include "weaponsystem.qh"
10 #include "../g_damage.qh"
11 #include "../antilag.qh"
13 #include <common/constants.qh>
14 #include <common/net_linked.qh>
15 #include <common/util.qh>
17 #include <common/weapons/_all.qh>
18 #include <common/wepent.qh>
19 #include <common/state.qh>
21 #include <lib/warpzone/common.qh>
23 // this function calculates w_shotorg and w_shotdir based on the weapon model
24 // offset, trueaim and antilag, and won't put w_shotorg inside a wall.
25 // make sure you call makevectors first (FIXME?)
26 void W_SetupShot_Dir_ProjectileSize_Range(entity ent, .entity weaponentity, vector s_forward, vector mi, vector ma, float antilag, float recoil, Sound snd, float chan, float maxdamage, float range, int deathtype)
29 float nudge = 1; // added to traceline target and subtracted from result TOOD(divVerent): do we still need this? Doesn't the engine do this now for us?
30 float oldsolid = ent.dphitcontentsmask;
31 Weapon wep = DEATH_WEAPONOF(deathtype);
33 antilag = false; // no antilag for non-clients!
34 if (IS_PLAYER(ent) && (wep.spawnflags & WEP_FLAG_PENETRATEWALLS))
35 ent.dphitcontentsmask = DPCONTENTS_BODY | DPCONTENTS_CORPSE;
37 ent.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
39 WarpZone_traceline_antilag(NULL, ent.origin + ent.view_ofs, ent.origin + ent.view_ofs + s_forward * range, MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
40 // passing NULL, because we do NOT want it to touch dphitcontentsmask
42 WarpZone_TraceLine(ent.origin + ent.view_ofs, ent.origin + ent.view_ofs + s_forward * range, MOVE_NOMONSTERS, ent);
43 ent.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
49 w_shotend = WarpZone_UnTransformOrigin(WarpZone_trace_transform, trace_endpos); // warpzone support
54 // un-adjust trueaim if shotend is too close
55 if(vdist(w_shotend - (ent.origin + ent.view_ofs), <, autocvar_g_trueaim_minrange))
56 w_shotend = ent.origin + ent.view_ofs + s_forward * autocvar_g_trueaim_minrange;
59 if (IS_PLAYER(ent) && accuracy_canbegooddamage(ent))
60 accuracy_add(ent, wep.m_id, maxdamage, 0);
63 W_HitPlotAnalysis(ent, wep, v_forward, v_right, v_up);
65 vector md = ent.(weaponentity).movedir;
66 vector vecs = ((md.x > 0) ? md : '0 0 0');
68 vector dv = v_right * -vecs.y + v_up * vecs.z;
69 w_shotorg = ent.origin + ent.view_ofs + dv;
71 // now move the shotorg forward as much as requested if possible
74 if(CS(ent).antilag_debug)
75 tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + v_forward * (vecs.x + nudge), MOVE_NORMAL, ent, CS(ent).antilag_debug);
77 tracebox_antilag(ent, w_shotorg, mi, ma, w_shotorg + v_forward * (vecs.x + nudge), MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
80 tracebox(w_shotorg, mi, ma, w_shotorg + v_forward * (vecs.x + nudge), MOVE_NORMAL, ent);
81 w_shotorg = trace_endpos - v_forward * nudge;
82 // calculate the shotdir from the chosen shotorg
83 if(W_DualWielding(ent))
84 w_shotdir = s_forward;
86 w_shotdir = normalize(w_shotend - w_shotorg);
88 //vector prevdir = w_shotdir;
89 //vector prevorg = w_shotorg;
90 //vector prevend = w_shotend;
93 if (!CS(ent).cvar_cl_noantilag)
95 if (autocvar_g_antilag == 1) // switch to "ghost" if not hitting original
97 traceline(w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent);
98 if (!trace_ent.takedamage)
100 traceline_antilag_force (ent, w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent, ANTILAG_LATENCY(ent));
101 if (trace_ent.takedamage && IS_PLAYER(trace_ent))
105 traceline(w_shotorg, e.origin, MOVE_NORMAL, ent);
107 w_shotdir = normalize(trace_ent.origin - w_shotorg);
111 else if(autocvar_g_antilag == 3) // client side hitscan
113 // this part MUST use prydon cursor
114 if (CS(ent).cursor_trace_ent) // client was aiming at someone
115 if (CS(ent).cursor_trace_ent != ent) // just to make sure
116 if (CS(ent).cursor_trace_ent.takedamage) // and that person is killable
117 if (IS_PLAYER(CS(ent).cursor_trace_ent)) // and actually a player
119 // verify that the shot would miss without antilag
120 // (avoids an issue where guns would always shoot at their origin)
121 traceline(w_shotorg, w_shotorg + w_shotdir * range, MOVE_NORMAL, ent);
122 if (!trace_ent.takedamage)
124 // verify that the shot would hit if altered
125 traceline(w_shotorg, CS(ent).cursor_trace_ent.origin, MOVE_NORMAL, ent);
126 if (trace_ent == CS(ent).cursor_trace_ent)
127 w_shotdir = normalize(CS(ent).cursor_trace_ent.origin - w_shotorg);
129 LOG_INFO("antilag fail");
135 ent.dphitcontentsmask = oldsolid; // restore solid type (generally SOLID_SLIDEBOX)
137 if (!autocvar_g_norecoil)
138 ent.punchangle_x = recoil * -1;
140 if (snd != SND_Null) {
141 sound (ent, chan, snd, (W_DualWielding(ent) ? VOL_BASE * 0.7 : VOL_BASE), ATTN_NORM);
142 W_PlayStrengthSound(ent);
145 // nudge w_shotend so a trace to w_shotend hits
146 w_shotend = w_shotend + normalize(w_shotend - w_shotorg) * nudge;
147 //if(w_shotend != prevend) { printf("SERVER: shotEND differs: %s - %s\n", vtos(w_shotend), vtos(prevend)); }
148 //if(w_shotorg != prevorg) { printf("SERVER: shotORG differs: %s - %s\n", vtos(w_shotorg), vtos(prevorg)); }
149 //if(w_shotdir != prevdir) { printf("SERVER: shotDIR differs: %s - %s\n", vtos(w_shotdir), vtos(prevdir)); }
152 vector W_CalculateProjectileVelocity(entity actor, vector pvelocity, vector mvelocity, float forceAbsolute)
158 mvelocity = mvelocity * W_WeaponSpeedFactor(actor);
160 mdirection = normalize(mvelocity);
161 mspeed = vlen(mvelocity);
163 outvelocity = get_shotvelocity(pvelocity, mdirection, mspeed, (forceAbsolute ? 0 : autocvar_g_projectiles_newton_style), autocvar_g_projectiles_newton_style_2_minfactor, autocvar_g_projectiles_newton_style_2_maxfactor);
168 void W_SetupProjVelocity_Explicit(entity proj, vector dir, vector upDir, float pSpeed, float pUpSpeed, float pZSpeed, float spread, float forceAbsolute)
170 if(proj.owner == NULL)
171 error("Unowned missile");
173 dir = dir + upDir * (pUpSpeed / pSpeed);
174 dir.z += pZSpeed / pSpeed;
176 dir = normalize(dir);
179 if(autocvar_g_projectiles_spread_style != mspercallsstyle)
181 mspercallsum = mspercallcount = 0;
182 mspercallsstyle = autocvar_g_projectiles_spread_style;
184 mspercallsum -= gettime(GETTIME_HIRES);
187 dir = W_CalculateSpread(dir, spread, g_weaponspreadfactor, autocvar_g_projectiles_spread_style);
190 mspercallsum += gettime(GETTIME_HIRES);
192 LOG_INFO("avg: ", ftos(mspercallcount / mspercallsum), " per sec");
195 proj.velocity = W_CalculateProjectileVelocity(proj.owner, proj.owner.velocity, pSpeed * dir, forceAbsolute);
199 // ====================
200 // Ballistics Tracing
201 // ====================
203 void FireRailgunBullet (entity this, .entity weaponentity, vector start, vector end, float bdamage, float bforce, float mindist, float maxdist, float halflifedist, float forcehalflifedist, int deathtype)
205 entity pseudoprojectile = NULL;
207 vector dir = normalize(end - start);
208 float length = vlen(end - start);
209 vector force = dir * bforce;
211 // go a little bit into the wall because we need to hit this wall later
216 // trace multiple times until we hit a wall, each obstacle will be made
217 // non-solid so we can hit the next, while doing this we spawn effects and
218 // note down which entities were hit so we can damage them later
222 if(CS(this).antilag_debug)
223 WarpZone_traceline_antilag (this, start, end, false, o, CS(this).antilag_debug);
225 WarpZone_traceline_antilag (this, start, end, false, o, ANTILAG_LATENCY(this));
226 if(o && WarpZone_trace_firstzone)
232 if(trace_ent.solid == SOLID_BSP || trace_ent.solid == SOLID_SLIDEBOX)
233 Damage_DamageInfo(trace_endpos, bdamage, 0, 0, force, deathtype, trace_ent.species, this);
235 // if it is NULL we can't hurt it so stop now
236 if (trace_ent == NULL || trace_fraction == 1)
239 // make the entity non-solid so we can hit the next one
240 IL_PUSH(g_railgunhit, trace_ent);
241 trace_ent.railgunhit = true;
242 trace_ent.railgunhitloc = end;
243 trace_ent.railgunhitsolidbackup = trace_ent.solid;
244 trace_ent.railgundistance = vlen(WarpZone_UnTransformOrigin(WarpZone_trace_transform, trace_endpos) - start);
245 trace_ent.railgunforce = WarpZone_TransformVelocity(WarpZone_trace_transform, force);
247 // stop if this is a wall
248 if (trace_ent.solid == SOLID_BSP)
251 // make the entity non-solid
252 trace_ent.solid = SOLID_NOT;
255 vector endpoint = trace_endpos;
256 entity endent = trace_ent;
257 float endq3surfaceflags = trace_dphitq3surfaceflags;
259 // find all the entities the railgun hit and restore their solid state
260 IL_EACH(g_railgunhit, it.railgunhit,
262 it.solid = it.railgunhitsolidbackup;
265 // spawn a temporary explosion entity for RadiusDamage calls
266 //explosion = spawn();
268 // Find all non-hit players the beam passed close by
269 if(deathtype == WEP_VAPORIZER.m_id || deathtype == WEP_VORTEX.m_id)
271 FOREACH_CLIENT(IS_REAL_CLIENT(it) && it != this, {
273 if(!(IS_SPEC(it) && it.enemy == this))
276 // nearest point on the beam
277 vector beampos = start + dir * bound(0, (msg_entity.origin - start) * dir, length);
279 float f = bound(0, 1 - vlen(beampos - msg_entity.origin) / 512, 1);
283 if(!pseudoprojectile)
284 pseudoprojectile = spawn(); // we need this so the sound uses the "entchannel4" volume
285 soundtoat(MSG_ONE, pseudoprojectile, beampos, CH_SHOTS, SND(NEXWHOOSH_RANDOM()), VOL_BASE * f, ATTEN_NONE);
290 delete(pseudoprojectile);
293 // find all the entities the railgun hit and hurt them
294 IL_EACH(g_railgunhit, it.railgunhit,
296 // removal from the list is handled below
298 // get the details we need to call the damage function
299 vector hitloc = it.railgunhitloc;
301 float foff = ExponentialFalloff(mindist, maxdist, halflifedist, it.railgundistance);
302 float ffs = ExponentialFalloff(mindist, maxdist, forcehalflifedist, it.railgundistance);
304 if(accuracy_isgooddamage(this, it))
305 totaldmg += bdamage * foff;
309 Damage (it, this, this, bdamage * foff, deathtype, weaponentity, hitloc, it.railgunforce * ffs);
311 // create a small explosion to throw gibs around (if applicable)
312 //setorigin(explosion, hitloc);
313 //RadiusDamage (explosion, this, 10, 0, 50, NULL, NULL, 300, deathtype);
315 it.railgunhitloc = '0 0 0';
316 it.railgunhitsolidbackup = SOLID_NOT;
317 it.railgunhit = false;
318 it.railgundistance = 0;
321 IL_CLEAR(g_railgunhit);
323 // calculate hits and fired shots for hitscan
324 accuracy_add(this, this.(weaponentity).m_weapon.m_id, 0, min(bdamage, totaldmg));
326 trace_endpos = endpoint;
328 trace_dphitq3surfaceflags = endq3surfaceflags;
331 void fireBullet_trace_callback(vector start, vector hit, vector end)
333 if(vdist(hit - start, >, 16))
334 trailparticles(NULL, fireBullet_trace_callback_eff, start, hit);
335 WarpZone_trace_forent = NULL;
336 fireBullet_last_hit = NULL;
339 void fireBullet(entity this, .entity weaponentity, vector start, vector dir, float spread, float max_solid_penetration, float damage, float force, float dtype, entity tracer_effect)
343 dir = normalize(dir + randomvec() * spread);
344 end = start + dir * max_shot_distance;
346 fireBullet_last_hit = NULL;
347 fireBullet_trace_callback_eff = tracer_effect;
349 float solid_penetration_left = 1;
350 float total_damage = 0;
352 float lag = ((IS_REAL_CLIENT(this)) ? ANTILAG_LATENCY(this) : 0);
355 bool noantilag = ((IS_CLIENT(this)) ? CS(this).cvar_cl_noantilag : false);
356 if(autocvar_g_antilag == 0 || noantilag)
357 lag = 0; // only do hitscan, but no antilag
359 antilag_takeback_all(this, lag);
361 // change shooter to SOLID_BBOX so the shot can hit corpses
362 int oldsolid = this.dphitcontentsmask;
364 this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
366 WarpZone_trace_forent = this;
370 // TODO also show effect while tracing
371 WarpZone_TraceBox_ThroughZone(start, '0 0 0', '0 0 0', end, false, WarpZone_trace_forent, NULL, fireBullet_trace_callback);
372 dir = WarpZone_TransformVelocity(WarpZone_trace_transform, dir);
373 end = WarpZone_TransformOrigin(WarpZone_trace_transform, end);
374 start = trace_endpos;
375 entity hit = trace_ent;
377 // traced up to max_shot_distance and didn't hit anything at all
378 if (trace_fraction == 1.0)
381 // When hitting sky, stop.
382 if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
385 // can't use noimpact, as we need to pass through walls
386 //if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
389 // if we hit "weapclip", bail out
391 // rationale of this check:
393 // any shader that is solid, nodraw AND trans is meant to clip weapon
394 // shots and players, but has no other effect!
396 // if it is not trans, it is caulk and should not have this side effect
399 // common/weapclip (intended)
400 // common/noimpact (is supposed to eat projectiles, but is erased anyway)
401 bool is_weapclip = false;
402 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NODRAW)
403 if (!(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NONSOLID))
404 if (!(trace_dphitcontents & DPCONTENTS_OPAQUE))
407 if(!hit || hit.solid == SOLID_BSP || hit.solid == SOLID_SLIDEBOX)
408 Damage_DamageInfo(start, damage * solid_penetration_left, 0, 0, max(1, force) * dir * solid_penetration_left, dtype, hit.species, this);
410 if (hit && hit != WarpZone_trace_forent && hit != fireBullet_last_hit) // Avoid self-damage (except after going through a warp); avoid hitting the same entity twice (engine bug).
412 fireBullet_last_hit = hit;
414 MUTATOR_CALLHOOK(FireBullet_Hit, this, hit, start, end, damage, this.(weaponentity));
415 damage = M_ARGV(4, float);
416 bool gooddamage = accuracy_isgooddamage(this, hit);
417 Damage(hit, this, this, damage * solid_penetration_left, dtype, weaponentity, start, force * dir * solid_penetration_left);
418 // calculate hits for ballistic weapons
421 // do not exceed 100%
422 float added_damage = min(damage - total_damage, damage * solid_penetration_left);
423 total_damage += damage * solid_penetration_left;
424 accuracy_add(this, this.(weaponentity).m_weapon.m_id, 0, added_damage);
428 if (is_weapclip && !autocvar_g_ballistics_penetrate_clips)
432 // outside the world? forget it
433 if(start.x > world.maxs.x || start.y > world.maxs.y || start.z > world.maxs.z || start.x < world.mins.x || start.y < world.mins.y || start.z < world.mins.z)
437 entity hitstore = IS_PLAYER(hit) ? PS(hit) : hit;
438 if(max_solid_penetration < 0)
440 else if(hitstore.ballistics_density < -1)
441 break; // -2: no solid penetration, ever
442 else if(hitstore.ballistics_density < 0)
443 maxdist = vlen(hit.maxs - hit.mins) + 1; // -1: infinite travel distance
444 else if(hitstore.ballistics_density == 0)
445 maxdist = max_solid_penetration * solid_penetration_left;
447 maxdist = max_solid_penetration * solid_penetration_left * hitstore.ballistics_density;
449 if(maxdist <= autocvar_g_ballistics_mindistance)
452 // move the entity along its velocity until it's out of solid, then let it resume
453 // The previously hit entity is ignored here!
454 traceline_inverted (start, start + dir * maxdist, MOVE_NORMAL, WarpZone_trace_forent, true, hit);
455 if(trace_fraction == 1) // 1: we never got out of solid
458 float dist_taken = max(autocvar_g_ballistics_mindistance, vlen(trace_endpos - start));
459 // fraction_used_of_what_is_left = dist_taken / maxdist
460 // solid_penetration_left = solid_penetration_left - solid_penetration_left * fraction_used_of_what_is_left
461 solid_penetration_left *= 1 - dist_taken / maxdist;
462 solid_penetration_left = max(solid_penetration_left, 0);
464 // Only show effect when going through a player (invisible otherwise)
465 if (hit && (hit.solid != SOLID_BSP))
466 if(vdist(trace_endpos - start, >, 4))
467 trailparticles(this, fireBullet_trace_callback_eff, start, trace_endpos);
469 start = trace_endpos;
471 if(hit.solid == SOLID_BSP)
472 Damage_DamageInfo(start, 0, 0, 0, max(1, force) * normalize(dir) * -solid_penetration_left, dtype, 0, this);
476 antilag_restore_all(this);
478 // restore shooter solid type
480 this.dphitcontentsmask = oldsolid;