1 float trace_dphitcontents;
2 .float dphitcontentsmask;
4 void WarpZone_Accumulator_Clear(entity acc)
6 acc.warpzone_transform = '0 0 0';
7 acc.warpzone_shift = '0 0 0';
9 void WarpZone_Accumulator_AddTransform(entity acc, vector t, vector s)
12 tr = AnglesTransform_Multiply(t, acc.warpzone_transform);
13 st = AnglesTransform_Multiply_GetPostShift(t, s, acc.warpzone_transform, acc.warpzone_shift);
14 acc.warpzone_transform = tr;
15 acc.warpzone_shift = st;
17 void WarpZone_Accumulator_Add(entity acc, entity wz)
20 t = AnglesTransform_Multiply(wz.warpzone_transform, acc.warpzone_transform);
21 st = AnglesTransform_Multiply_GetPostShift(wz.warpzone_transform, wz.warpzone_shift, acc.warpzone_transform, acc.warpzone_shift);
22 acc.warpzone_transform = t;
23 acc.warpzone_shift = st;
26 .vector(vector, vector) camera_transform;
27 var float autocvar_cl_warpzone_usetrace = 1;
28 vector WarpZone_camera_transform(vector org, vector ang)
31 if(self.warpzone_fadestart)
32 if(vlen(org - self.origin - 0.5 * (self.mins + self.maxs)) > self.warpzone_fadeend + 400)
34 // don't transform if zone faded out (plus 400qu safety margin for typical speeds and latencies)
35 // unneeded on client, on server this helps a lot
39 org = WarpZone_TransformOrigin(self, org);
40 vf = WarpZone_TransformVelocity(self, vf);
41 vr = WarpZone_TransformVelocity(self, vr);
42 vu = WarpZone_TransformVelocity(self, vu);
43 if(autocvar_cl_warpzone_usetrace)
44 traceline(self.warpzone_targetorigin, org, MOVE_NOMONSTERS, world);
46 trace_endpos = self.warpzone_targetorigin;
53 void WarpZone_SetUp(entity e, vector my_org, vector my_ang, vector other_org, vector other_ang)
55 e.warpzone_transform = AnglesTransform_RightDivide(other_ang, AnglesTransform_TurnDirectionFR(my_ang));
56 e.warpzone_shift = AnglesTransform_PrePostShift_GetPostShift(my_org, e.warpzone_transform, other_org);
57 e.warpzone_origin = my_org;
58 e.warpzone_targetorigin = other_org;
59 e.warpzone_angles = my_ang;
60 e.warpzone_targetangles = other_ang;
61 fixedmakevectors(my_ang); e.warpzone_forward = v_forward;
62 fixedmakevectors(other_ang); e.warpzone_targetforward = v_forward;
63 e.camera_transform = WarpZone_camera_transform;
66 vector WarpZone_Camera_camera_transform(vector org, vector ang)
68 // a fixed camera view
69 if(self.warpzone_fadestart)
70 if(vlen(org - self.origin - 0.5 * (self.mins + self.maxs)) > self.warpzone_fadeend + 400)
72 // don't transform if zone faded out (plus 400qu safety margin for typical speeds and latencies)
73 // unneeded on client, on server this helps a lot
74 trace_endpos = self.warpzone_origin;
75 makevectors(self.warpzone_angles);
76 return self.warpzone_origin;
79 void WarpZone_Camera_SetUp(entity e, vector my_org, vector my_ang) // we assume that e.oldorigin and e.avelocity point to view origin and direction
81 e.warpzone_origin = my_org;
82 e.warpzone_angles = my_ang;
83 e.camera_transform = WarpZone_Camera_camera_transform;
88 vector WarpZoneLib_BoxTouchesBrush_mins;
89 vector WarpZoneLib_BoxTouchesBrush_maxs;
90 entity WarpZoneLib_BoxTouchesBrush_ent;
91 entity WarpZoneLib_BoxTouchesBrush_ignore;
92 float WarpZoneLib_BoxTouchesBrush_Recurse()
98 tracebox('0 0 0', WarpZoneLib_BoxTouchesBrush_mins, WarpZoneLib_BoxTouchesBrush_maxs, '0 0 0', MOVE_NOMONSTERS, WarpZoneLib_BoxTouchesBrush_ignore);
100 if (trace_networkentity)
102 dprint("hit a network ent, cannot continue WarpZoneLib_BoxTouchesBrush\n");
103 // we cannot continue, as a player blocks us...
110 if (trace_ent == WarpZoneLib_BoxTouchesBrush_ent)
115 se.solid = SOLID_NOT;
116 f = WarpZoneLib_BoxTouchesBrush_Recurse();
122 float WarpZoneLib_BoxTouchesBrush(vector mi, vector ma, entity e, entity ig)
126 if(!e.modelindex || e.warpzone_isboxy)
131 WarpZoneLib_BoxTouchesBrush_mins = mi;
132 WarpZoneLib_BoxTouchesBrush_maxs = ma;
133 WarpZoneLib_BoxTouchesBrush_ent = e;
134 WarpZoneLib_BoxTouchesBrush_ignore = ig;
135 f = WarpZoneLib_BoxTouchesBrush_Recurse();
141 entity WarpZone_Find(vector mi, vector ma)
143 // if we are near any warpzone planes - MOVE AWAY (work around nearclip)
145 if(!warpzone_warpzones_exist)
147 for(e = world; (e = find(e, classname, "trigger_warpzone")); )
148 if(WarpZoneLib_BoxTouchesBrush(mi, ma, e, world))
153 void WarpZone_MakeAllSolid()
156 if(!warpzone_warpzones_exist)
158 for(e = world; (e = find(e, classname, "trigger_warpzone")); )
162 void WarpZone_MakeAllOther()
165 if(!warpzone_warpzones_exist)
167 for(e = world; (e = find(e, classname, "trigger_warpzone")); )
168 e.solid = SOLID_TRIGGER;
171 void WarpZone_Trace_InitTransform()
173 if(!WarpZone_trace_transform)
175 WarpZone_trace_transform = spawn();
176 WarpZone_trace_transform.classname = "warpzone_trace_transform";
178 WarpZone_Accumulator_Clear(WarpZone_trace_transform);
180 void WarpZone_Trace_AddTransform(entity wz)
182 WarpZone_Accumulator_Add(WarpZone_trace_transform, wz);
185 void WarpZone_TraceBox_ThroughZone(vector org, vector mi, vector ma, vector end, float nomonsters, entity forent, entity zone, WarpZone_trace_callback_t cb)
187 float nomonsters_adjusted;
194 WarpZone_trace_forent = forent;
195 WarpZone_trace_firstzone = world;
196 WarpZone_trace_lastzone = world;
197 WarpZone_Trace_InitTransform();
198 if(!warpzone_warpzones_exist)
200 if(nomonsters == MOVE_NOTHING)
205 cb(org, trace_endpos, end);
210 tracebox(org, mi, ma, end, nomonsters, WarpZone_trace_forent);
212 cb(org, trace_endpos, end);
227 nomonsters_adjusted = MOVE_NOMONSTERS;
230 nomonsters_adjusted = nomonsters;
233 if((contentshack = (WarpZone_trace_forent.dphitcontentsmask && !(WarpZone_trace_forent.dphitcontentsmask & DPCONTENTS_SOLID))))
234 BITSET_ASSIGN(WarpZone_trace_forent.dphitcontentsmask, DPCONTENTS_SOLID);
236 // if starting in warpzone, first transform
237 wz = WarpZone_Find(org + mi, org + ma);
240 WarpZone_trace_firstzone = wz;
241 WarpZone_trace_lastzone = wz;
242 if(zone && wz != zone)
244 // we are in ANOTHER warpzone. This is bad. Make a zero length trace and return.
250 WarpZone_Trace_AddTransform(wz);
251 org = WarpZone_TransformOrigin(wz, org);
252 end = WarpZone_TransformOrigin(wz, end);
254 WarpZone_MakeAllSolid();
262 dprint("Too many warpzones in sequence, aborting trace.\n");
266 tracebox(org, mi, ma, end, nomonsters_adjusted, WarpZone_trace_forent);
268 cb(org, trace_endpos, end);
270 sol = trace_startsolid;
272 frac = trace_fraction = frac + (1 - frac) * trace_fraction;
273 if(trace_fraction >= 1)
275 if(trace_ent.classname != "trigger_warpzone")
277 if((nomonsters == MOVE_NOTHING) || ((nomonsters == MOVE_WORLDONLY) && trace_ent) || (contentshack && (trace_dphitcontents & WarpZone_trace_forent.dphitcontentsmask) == DPCONTENTS_SOLID))
279 // continue the trace, ignoring this hit (we only care for warpzones)
280 org = trace_endpos + normalize(end - org);
282 // we cannot do an inverted trace here, as we do care for further warpzones inside that "solid" to be found
283 // otherwise, players could block entrances that way
289 // FIXME can this check be removed? Do we really need it?
290 dprint("I transformed into the same zone again, wtf, aborting the trace\n");
295 if(!WarpZone_trace_firstzone)
296 WarpZone_trace_firstzone = wz;
297 WarpZone_trace_lastzone = wz;
298 if(zone && wz != zone)
300 WarpZone_Trace_AddTransform(wz);
301 // we hit a warpzone... so, let's perform the trace after the warp again
302 org = WarpZone_TransformOrigin(wz, trace_endpos);
303 end = WarpZone_TransformOrigin(wz, end);
305 // we got warped, so let's step back a bit
306 tracebox(org, mi, ma, org + normalize(org - end) * 32, nomonsters_adjusted, WarpZone_trace_forent);
309 WarpZone_MakeAllOther();
312 BITCLR_ASSIGN(WarpZone_trace_forent.dphitcontentsmask, DPCONTENTS_SOLID);
313 trace_startsolid = sol;
319 void WarpZone_TraceBox(vector org, vector mi, vector ma, vector end, float nomonsters, entity forent)
321 WarpZone_TraceBox_ThroughZone(org, mi, ma, end, nomonsters, forent, world, WarpZone_trace_callback_t_null);
324 void WarpZone_TraceLine(vector org, vector end, float nomonsters, entity forent)
326 WarpZone_TraceBox(org, '0 0 0', '0 0 0', end, nomonsters, forent);
329 void WarpZone_TraceToss_ThroughZone(entity e, entity forent, entity zone, WarpZone_trace_callback_t cb)
332 vector vf, vr, vu, v0, o0;
338 WarpZone_trace_forent = forent;
339 WarpZone_trace_firstzone = world;
340 WarpZone_trace_lastzone = world;
341 WarpZone_Trace_InitTransform();
342 WarpZone_tracetoss_time = 0;
343 if(!warpzone_warpzones_exist)
345 tracetoss(e, WarpZone_trace_forent);
347 cb(e.origin, trace_endpos, trace_endpos);
348 dt = vlen(e.origin - o0) / vlen(e.velocity);
349 WarpZone_tracetoss_time += dt;
350 e.velocity_z -= dt * g;
351 WarpZone_tracetoss_velocity = e.velocity;
360 // if starting in warpzone, first transform
361 wz = WarpZone_Find(e.origin + e.mins, e.origin + e.maxs);
364 WarpZone_trace_firstzone = wz;
365 WarpZone_trace_lastzone = wz;
366 if(zone && wz != zone)
368 // we are in ANOTHER warpzone. This is bad. Make a zero length trace and return.
370 WarpZone_tracetoss_time = 0;
374 WarpZone_Trace_AddTransform(wz);
375 setorigin(e, WarpZone_TransformOrigin(wz, e.origin));
376 e.velocity = WarpZone_TransformVelocity(wz, e.velocity);
378 WarpZone_MakeAllSolid();
379 g = cvar("sv_gravity") * e.gravity;
385 dprint("Too many warpzones in sequence, aborting trace.\n");
389 tracetoss(e, WarpZone_trace_forent);
391 cb(e.origin, trace_endpos, trace_endpos);
392 dt = vlen(trace_endpos - e.origin) / vlen(e.velocity);
393 WarpZone_tracetoss_time += dt;
394 e.origin = trace_endpos;
395 e.velocity_z -= dt * g;
396 if(trace_fraction >= 1)
398 if(trace_ent.classname != "trigger_warpzone")
402 // FIXME can this check be removed? Do we really need it?
403 dprint("I transformed into the same zone again, wtf, aborting the trace\n");
408 if(!WarpZone_trace_firstzone)
409 WarpZone_trace_firstzone = wz;
410 WarpZone_trace_lastzone = wz;
411 if(zone && wz != zone)
413 WarpZone_Trace_AddTransform(wz);
414 // we hit a warpzone... so, let's perform the trace after the warp again
415 e.origin = WarpZone_TransformOrigin(wz, e.origin);
416 e.velocity = WarpZone_TransformVelocity(wz, e.velocity);
418 // we got warped, so let's step back a bit
419 e.velocity = -e.velocity;
420 tracetoss(e, WarpZone_trace_forent);
421 dt = vlen(trace_endpos - e.origin) / vlen(e.velocity);
422 WarpZone_tracetoss_time -= dt;
423 e.origin = trace_endpos;
424 e.velocity = -e.velocity;
426 WarpZone_MakeAllOther();
428 WarpZone_tracetoss_velocity = e.velocity;
432 // restore old entity data (caller just uses trace_endpos, WarpZone_tracetoss_velocity and the transform)
437 void WarpZone_TraceToss(entity e, entity forent)
439 WarpZone_TraceToss_ThroughZone(e, forent, world, WarpZone_trace_callback_t_null);
442 entity WarpZone_TrailParticles_trace_callback_own;
443 float WarpZone_TrailParticles_trace_callback_eff;
444 void WarpZone_TrailParticles_trace_callback(vector from, vector endpos, vector to)
446 trailparticles(WarpZone_TrailParticles_trace_callback_own, WarpZone_TrailParticles_trace_callback_eff, from, endpos);
449 void WarpZone_TrailParticles(entity own, float eff, vector org, vector end)
451 WarpZone_TrailParticles_trace_callback_own = own;
452 WarpZone_TrailParticles_trace_callback_eff = eff;
453 WarpZone_TraceBox_ThroughZone(org, '0 0 0', '0 0 0', end, MOVE_NOMONSTERS, world, world, WarpZone_TrailParticles_trace_callback);
457 float WarpZone_TrailParticles_trace_callback_f;
458 float WarpZone_TrailParticles_trace_callback_flags;
459 void WarpZone_TrailParticles_WithMultiplier_trace_callback(vector from, vector endpos, vector to)
461 boxparticles(WarpZone_TrailParticles_trace_callback_eff, WarpZone_TrailParticles_trace_callback_own, from, endpos, WarpZone_TrailParticles_trace_callback_own.velocity, WarpZone_TrailParticles_trace_callback_own.velocity, WarpZone_TrailParticles_trace_callback_f, WarpZone_TrailParticles_trace_callback_flags);
464 void WarpZone_TrailParticles_WithMultiplier(entity own, float eff, vector org, vector end, float f, float boxflags)
466 WarpZone_TrailParticles_trace_callback_own = own;
467 WarpZone_TrailParticles_trace_callback_eff = eff;
468 WarpZone_TrailParticles_trace_callback_f = f;
469 WarpZone_TrailParticles_trace_callback_flags = boxflags;
470 WarpZone_TraceBox_ThroughZone(org, '0 0 0', '0 0 0', end, MOVE_NOMONSTERS, world, world, WarpZone_TrailParticles_WithMultiplier_trace_callback);
474 float WarpZone_PlaneDist(entity wz, vector v)
476 return (v - wz.warpzone_origin) * wz.warpzone_forward;
479 float WarpZone_TargetPlaneDist(entity wz, vector v)
481 return (v - wz.warpzone_targetorigin) * wz.warpzone_targetforward;
484 vector WarpZone_TransformOrigin(entity wz, vector v)
486 return wz.warpzone_shift + AnglesTransform_Apply(wz.warpzone_transform, v);
489 vector WarpZone_TransformVelocity(entity wz, vector v)
491 return AnglesTransform_Apply(wz.warpzone_transform, v);
494 vector WarpZone_TransformAngles(entity wz, vector v)
496 return AnglesTransform_ApplyToAngles(wz.warpzone_transform, v);
499 vector WarpZone_TransformVAngles(entity wz, vector ang)
507 ang = AnglesTransform_ApplyToVAngles(wz.warpzone_transform, ang);
510 ang = AnglesTransform_Normalize(ang, TRUE);
511 ang = AnglesTransform_CancelRoll(ang);
514 ang = AnglesTransform_Normalize(ang, FALSE);
520 vector WarpZone_UnTransformOrigin(entity wz, vector v)
522 return AnglesTransform_Apply(AnglesTransform_Invert(wz.warpzone_transform), v - wz.warpzone_shift);
525 vector WarpZone_UnTransformVelocity(entity wz, vector v)
527 return AnglesTransform_Apply(AnglesTransform_Invert(wz.warpzone_transform), v);
530 vector WarpZone_UnTransformAngles(entity wz, vector v)
532 return AnglesTransform_ApplyToAngles(AnglesTransform_Invert(wz.warpzone_transform), v);
535 vector WarpZone_UnTransformVAngles(entity wz, vector ang)
542 ang = AnglesTransform_ApplyToVAngles(AnglesTransform_Invert(wz.warpzone_transform), ang);
543 ang = AnglesTransform_Normalize(ang, TRUE);
544 ang = AnglesTransform_CancelRoll(ang);
550 vector WarpZoneLib_NearestPointOnBox(vector mi, vector ma, vector org)
553 nearest_x = bound(mi_x, org_x, ma_x);
554 nearest_y = bound(mi_y, org_y, ma_y);
555 nearest_z = bound(mi_z, org_z, ma_z);
559 .float WarpZone_findradius_hit;
560 .entity WarpZone_findradius_next;
561 void WarpZone_FindRadius_Recurse(vector org, float rad, vector org0, vector transform, vector shift, float needlineofsight)
562 // blast origin of current search original blast origin how to untransform (victim to blast system)
566 vector shift_new, transform_new;
572 e0 = findradius(org, rad);
575 for(e = e0; e; e = e.chain)
577 p = WarpZoneLib_NearestPointOnBox(e.origin + e.mins, e.origin + e.maxs, org0);
580 traceline(org, p, MOVE_NOMONSTERS, e);
581 if(trace_fraction < 1)
584 if(!e.WarpZone_findradius_hit || vlen(e.WarpZone_findradius_dist) > vlen(org0 - p))
586 e.WarpZone_findradius_nearest = p;
587 e.WarpZone_findradius_dist = org0 - p;
588 e.WarpZone_findradius_findorigin = org;
589 e.WarpZone_findradius_findradius = rad;
590 if(e.classname == "warpzone_refsys")
592 // ignore, especially: do not overwrite the refsys parameters
594 else if(e.classname == "trigger_warpzone")
596 e.WarpZone_findradius_next = wz;
598 e.WarpZone_findradius_hit = 1;
599 e.enemy.WarpZone_findradius_dist = '0 0 0'; // we don't want to go through this zone ever again
600 e.enemy.WarpZone_findradius_hit = 1;
604 e.warpzone_transform = transform;
605 e.warpzone_shift = shift;
606 e.WarpZone_findradius_hit = 1;
610 for(e = wz; e; e = e.WarpZone_findradius_next)
612 org0_new = WarpZone_TransformOrigin(e, org);
613 traceline(e.warpzone_targetorigin, org0_new, MOVE_NOMONSTERS, e);
614 org_new = trace_endpos;
616 transform_new = AnglesTransform_Multiply(e.warpzone_transform, transform);
617 shift_new = AnglesTransform_Multiply_GetPostShift(e.warpzone_transform, e.warpzone_shift, transform, shift);
618 WarpZone_FindRadius_Recurse(
620 bound(0, rad - vlen(org_new - org0_new), rad - 8),
622 transform_new, shift_new,
624 e.WarpZone_findradius_hit = 0;
625 e.enemy.WarpZone_findradius_hit = 0;
628 entity WarpZone_FindRadius(vector org, float rad, float needlineofsight)
631 WarpZone_FindRadius_Recurse(org, rad, org, '0 0 0', '0 0 0', needlineofsight);
632 e0 = findchainfloat(WarpZone_findradius_hit, 1);
633 for(e = e0; e; e = e.chain)
634 e.WarpZone_findradius_hit = 0;
638 .entity WarpZone_refsys;
639 void WarpZone_RefSys_GC()
641 // garbage collect unused reference systems
642 self.nextthink = time + 1;
643 if(self.owner.WarpZone_refsys != self)
646 void WarpZone_RefSys_Add(entity me, entity wz)
648 if(me.WarpZone_refsys.owner != me)
650 me.WarpZone_refsys = spawn();
651 me.WarpZone_refsys.classname = "warpzone_refsys";
652 me.WarpZone_refsys.owner = me;
653 me.WarpZone_refsys.think = WarpZone_RefSys_GC;
654 me.WarpZone_refsys.nextthink = time + 1;
655 WarpZone_Accumulator_Clear(me.WarpZone_refsys);
658 WarpZone_Accumulator_Add(me.WarpZone_refsys, wz);
660 .vector WarpZone_refsys_incremental_shift;
661 .vector WarpZone_refsys_incremental_transform;
662 void WarpZone_RefSys_AddIncrementally(entity me, entity ref)
665 if(me.WarpZone_refsys_incremental_transform == ref.WarpZone_refsys.warpzone_transform)
666 if(me.WarpZone_refsys_incremental_shift == ref.WarpZone_refsys.warpzone_shift)
668 if(me.WarpZone_refsys.owner != me)
670 me.WarpZone_refsys = spawn();
671 me.WarpZone_refsys.classname = "warpzone_refsys";
672 me.WarpZone_refsys.owner = me;
673 me.WarpZone_refsys.think = WarpZone_RefSys_GC;
674 me.WarpZone_refsys.nextthink = time + 1;
675 WarpZone_Accumulator_Clear(me.WarpZone_refsys);
677 t = AnglesTransform_Invert(me.WarpZone_refsys_incremental_transform);
678 s = AnglesTransform_PrePostShift_GetPostShift(me.WarpZone_refsys_incremental_shift, t, '0 0 0');
679 WarpZone_Accumulator_AddTransform(me.WarpZone_refsys, t, s);
680 WarpZone_Accumulator_Add(me.WarpZone_refsys, ref.WarpZone_refsys);
681 me.WarpZone_refsys_incremental_shift = ref.WarpZone_refsys.warpzone_shift;
682 me.WarpZone_refsys_incremental_transform = ref.WarpZone_refsys.warpzone_transform;
684 void WarpZone_RefSys_BeginAddingIncrementally(entity me, entity ref)
686 me.WarpZone_refsys_incremental_shift = ref.WarpZone_refsys.warpzone_shift;
687 me.WarpZone_refsys_incremental_transform = ref.WarpZone_refsys.warpzone_transform;
689 vector WarpZone_RefSys_TransformOrigin(entity from, entity to, vector org)
691 if(from.WarpZone_refsys)
692 org = WarpZone_UnTransformOrigin(from.WarpZone_refsys, org);
693 if(to.WarpZone_refsys)
694 org = WarpZone_TransformOrigin(to.WarpZone_refsys, org);
697 vector WarpZone_RefSys_TransformVelocity(entity from, entity to, vector vel)
699 if(from.WarpZone_refsys)
700 vel = WarpZone_UnTransformVelocity(from.WarpZone_refsys, vel);
701 if(to.WarpZone_refsys)
702 vel = WarpZone_TransformVelocity(to.WarpZone_refsys, vel);
705 vector WarpZone_RefSys_TransformAngles(entity from, entity to, vector ang)
707 if(from.WarpZone_refsys)
708 ang = WarpZone_UnTransformAngles(from.WarpZone_refsys, ang);
709 if(to.WarpZone_refsys)
710 ang = WarpZone_TransformAngles(to.WarpZone_refsys, ang);
713 vector WarpZone_RefSys_TransformVAngles(entity from, entity to, vector ang)
715 if(from.WarpZone_refsys)
716 ang = WarpZone_UnTransformVAngles(from.WarpZone_refsys, ang);
717 if(to.WarpZone_refsys)
718 ang = WarpZone_TransformVAngles(to.WarpZone_refsys, ang);
721 entity WarpZone_RefSys_SpawnSameRefSys(entity me)
725 if(me.WarpZone_refsys)
727 e.WarpZone_refsys = spawn();
728 e.WarpZone_refsys.classname = "warpzone_refsys";
729 e.WarpZone_refsys.owner = e;
730 e.WarpZone_refsys.think = WarpZone_RefSys_GC;
731 e.WarpZone_refsys.nextthink = time + 1;
732 e.WarpZone_refsys.warpzone_shift = me.WarpZone_refsys.warpzone_shift;
733 e.WarpZone_refsys.warpzone_transform = me.WarpZone_refsys.warpzone_transform;