1 #include "movetypes.qh"
4 void set_movetype(entity this, int mt)
6 this.move_movetype = mt;
7 this.move_qcphysics = (mt != MOVETYPE_PHYSICS);
8 if(!IL_CONTAINS(g_moveables, this))
9 IL_PUSH(g_moveables, this); // add it to the moveable entities list (even if it doesn't move!) logic: if an object never sets its movetype, we assume it never does anything notable
10 this.movetype = (this.move_qcphysics) ? MOVETYPE_QCENTITY : mt;
13 void set_movetype(entity this, int mt)
15 this.move_movetype = mt;
19 bool _Movetype_NudgeOutOfSolid_PivotIsKnownGood(entity this, vector pivot) // SV_NudgeOutOfSolid_PivotIsKnownGood
21 vector stuckorigin = this.origin;
22 vector goodmins = pivot, goodmaxs = pivot;
23 for(int bump = 0; bump < 6; bump++)
25 int coord = 2 - (bump >> 1);
28 for(int subbump = 0; ; ++subbump)
30 vector testorigin = stuckorigin;
36 case 0: testorigin.x += this.maxs_x - goodmaxs.x; break;
37 case 1: testorigin.y += this.maxs_y - goodmaxs.y; break;
38 case 2: testorigin.z += this.maxs_z - goodmaxs.z; break;
46 case 0: testorigin.x += this.mins_x - goodmins.x; break;
47 case 1: testorigin.y += this.mins_y - goodmins.y; break;
48 case 2: testorigin.z += this.mins_z - goodmins.z; break;
52 tracebox(stuckorigin, goodmins, goodmaxs, testorigin, MOVE_NOMONSTERS, this);
53 if(trace_startsolid && trace_ent.solid == SOLID_BSP) // NOTE: this checks for bmodelstartsolid in the engine
55 // BAD BAD, can't fix that
59 if(trace_fraction >= 1)
64 // BAD BAD, can't fix that
68 // we hit something... let's move out of it
69 vector move = trace_endpos - testorigin;
70 float nudge = (trace_plane_normal * move) + 0.03125; // FIXME cvar this constant
71 stuckorigin = stuckorigin + nudge * trace_plane_normal;
79 case 0: goodmaxs.x = this.maxs_x; break;
80 case 1: goodmaxs.y = this.maxs_y; break;
81 case 2: goodmaxs.z = this.maxs_z; break;
89 case 0: goodmins.x = this.mins_x; break;
90 case 1: goodmins.y = this.mins_y; break;
91 case 2: goodmins.z = this.mins_z; break;
97 this.origin = stuckorigin;
102 void _Movetype_WallFriction(entity this, vector stepnormal) // SV_WallFriction
106 makevectors(this.v_angle);
107 d = (stepnormal * v_forward) + 0.5;
111 i = (stepnormal * this.velocity);
112 into = i * stepnormal;
113 side = this.velocity - into;
114 this.velocity_x = side.x * (1 * d);
115 this.velocity_y = side.y * (1 * d);
119 vector planes[MAX_CLIP_PLANES];
120 int _Movetype_FlyMove(entity this, float dt, bool applygravity, bool applystepnormal, float stepheight) // SV_FlyMove
122 move_stepnormal = '0 0 0';
128 int i, j, numplanes = 0;
129 float time_left = dt, grav = 0;
131 vector primal_velocity, original_velocity;
132 vector restore_velocity = this.velocity;
134 for(i = 0; i < MAX_CLIP_PLANES; ++i)
139 this.move_didgravity = 1;
140 grav = dt * (this.gravity ? this.gravity : 1) * PHYS_GRAVITY(this);
142 if(!GAMEPLAYFIX_NOGRAVITYONGROUND || !IS_ONGROUND(this))
144 if(GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE)
145 this.velocity_z -= grav * 0.5;
147 this.velocity_z -= grav;
151 original_velocity = primal_velocity = this.velocity;
153 for(int bumpcount = 0;bumpcount < MAX_CLIP_PLANES;bumpcount++)
155 if(this.velocity == '0 0 0')
158 push = this.velocity * time_left;
159 if(!_Movetype_PushEntity(this, push, true, false))
161 // we got teleported by a touch function
162 // let's abort the move
167 // this code is used by MOVETYPE_WALK and MOVETYPE_STEP and SV_UnstickEntity
168 // abort move if we're stuck in the world (and didn't make it out)
169 if(trace_startsolid && trace_allsolid)
171 this.velocity = restore_velocity;
175 if(trace_fraction == 1)
178 time_left *= 1 - trace_fraction;
180 float my_trace_fraction = trace_fraction;
181 vector my_trace_plane_normal = trace_plane_normal;
183 if(trace_plane_normal.z)
185 if(trace_plane_normal.z > 0.7)
192 //dprint("_Movetype_FlyMove: !trace_ent\n");
197 this.groundentity = trace_ent;
202 // step - handle it immediately
203 vector org = this.origin;
204 vector steppush = '0 0 1' * stepheight;
205 push = this.velocity * time_left;
207 if(!_Movetype_PushEntity(this, steppush, true, false))
212 if(!_Movetype_PushEntity(this, push, true, false))
217 float trace2_fraction = trace_fraction;
218 steppush = vec3(0, 0, org.z - this.origin_z);
219 if(!_Movetype_PushEntity(this, steppush, true, false))
225 // accept the new position if it made some progress...
226 // previously this checked if absolute distance >= 0.03125 which made stepping up unreliable
227 if(this.origin_x - org.x || this.origin_y - org.y)
229 trace_endpos = this.origin;
230 time_left *= 1 - trace2_fraction;
239 // step - return it to caller
241 // save the trace for player extrafriction
243 move_stepnormal = trace_plane_normal;
246 if(my_trace_fraction >= 0.001)
248 // actually covered some distance
249 original_velocity = this.velocity;
253 // clipped to another plane
254 if(numplanes >= MAX_CLIP_PLANES)
256 // this shouldn't really happen
257 this.velocity = '0 0 0';
262 planes[numplanes] = my_trace_plane_normal;
265 // modify original_velocity so it parallels all of the clip planes
266 vector new_velocity = '0 0 0';
267 for (i = 0;i < numplanes;i++)
269 new_velocity = _Movetype_ClipVelocity(original_velocity, planes[i], 1);
270 for (j = 0;j < numplanes;j++)
275 if((new_velocity * planes[j]) < 0)
285 // go along this plane
286 this.velocity = new_velocity;
290 // go along the crease
293 this.velocity = '0 0 0';
297 vector dir = cross(planes[0], planes[1]);
298 // LordHavoc: thanks to taniwha of QuakeForge for pointing out this fix for slowed falling in corners
299 float ilength = sqrt((dir * dir));
301 ilength = 1.0 / ilength;
305 float d = (dir * this.velocity);
306 this.velocity = dir * d;
309 // if current velocity is against the original velocity,
310 // stop dead to avoid tiny occilations in sloping corners
311 if((this.velocity * primal_velocity) <= 0)
313 this.velocity = '0 0 0';
318 // LordHavoc: this came from QW and allows you to get out of water more easily
319 if(GAMEPLAYFIX_EASIERWATERJUMP(this) && (this.flags & FL_WATERJUMP) && !(blockedflag & 8))
320 this.velocity = primal_velocity;
322 if(PHYS_WALLCLIP(this) && this.pm_time && !(this.flags & FL_WATERJUMP) && !(blockedflag & 8))
323 this.velocity = primal_velocity;
327 if(!GAMEPLAYFIX_NOGRAVITYONGROUND || !IS_ONGROUND(this))
329 if(GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE)
330 this.velocity_z -= grav * 0.5f;
337 void _Movetype_CheckVelocity(entity this) // SV_CheckVelocity
339 // if(vlen(this.velocity) < 0.0001)
340 // this.velocity = '0 0 0';
343 bool _Movetype_CheckWater(entity this) // SV_CheckWater
345 vector point = this.origin;
346 point.z += this.mins.z + 1;
348 int nativecontents = pointcontents(point);
349 if(this.watertype && this.watertype != nativecontents)
351 // dprintf("_Movetype_CheckWater(): Original: '%d', New: '%d'\n", this.watertype, nativecontents);
352 if(this.contentstransition)
353 this.contentstransition(this.watertype, nativecontents);
356 this.waterlevel = WATERLEVEL_NONE;
357 this.watertype = CONTENT_EMPTY;
359 int supercontents = Mod_Q1BSP_SuperContentsFromNativeContents(nativecontents);
360 if(supercontents & DPCONTENTS_LIQUIDSMASK)
362 this.watertype = nativecontents;
363 this.waterlevel = WATERLEVEL_WETFEET;
364 point.z = this.origin.z + (this.mins.z + this.maxs.z) * 0.5;
365 if(Mod_Q1BSP_SuperContentsFromNativeContents(pointcontents(point)) & DPCONTENTS_LIQUIDSMASK)
367 this.waterlevel = WATERLEVEL_SWIMMING;
368 point.z = this.origin.z + this.view_ofs.z;
369 if(Mod_Q1BSP_SuperContentsFromNativeContents(pointcontents(point)) & DPCONTENTS_LIQUIDSMASK)
370 this.waterlevel = WATERLEVEL_SUBMERGED;
374 return this.waterlevel > 1;
377 void _Movetype_CheckWaterTransition(entity ent) // SV_CheckWaterTransition
379 int contents = pointcontents(ent.origin);
384 if(!GAMEPLAYFIX_WATERTRANSITION(ent))
386 ent.watertype = contents;
391 else if(ent.watertype != contents)
393 // dprintf("_Movetype_CheckWaterTransition(): Origin: %s, Direct: '%d', Original: '%d', New: '%d'\n", vtos(ent.origin), pointcontents(ent.origin), ent.watertype, contents);
394 if(ent.contentstransition)
395 ent.contentstransition(ent.watertype, contents);
398 if(contents <= CONTENT_WATER)
400 ent.watertype = contents;
405 ent.watertype = CONTENT_EMPTY;
406 ent.waterlevel = (GAMEPLAYFIX_WATERTRANSITION(ent) ? 0 : contents);
410 void _Movetype_Impact(entity this, entity oth) // SV_Impact
415 // due to a lack of pointers in QC, we must save the trace values and restore them for other functions
416 bool save_trace_allsolid = trace_allsolid;
417 bool save_trace_startsolid = trace_startsolid;
418 float save_trace_fraction = trace_fraction;
419 bool save_trace_inwater = trace_inwater;
420 bool save_trace_inopen = trace_inopen;
421 vector save_trace_endpos = trace_endpos;
422 vector save_trace_plane_normal = trace_plane_normal;
423 float save_trace_plane_dist = trace_plane_dist;
424 entity save_trace_ent = trace_ent;
425 int save_trace_dpstartcontents = trace_dpstartcontents;
426 int save_trace_dphitcontents = trace_dphitcontents;
427 int save_trace_dphitq3surfaceflags = trace_dphitq3surfaceflags;
428 string save_trace_dphittexturename = trace_dphittexturename;
430 if(this.solid != SOLID_NOT && gettouch(this))
431 gettouch(this)(this, oth);
433 if(oth.solid != SOLID_NOT && gettouch(oth))
434 gettouch(oth)(oth, this);
436 trace_allsolid = save_trace_allsolid;
437 trace_startsolid = save_trace_startsolid;
438 trace_fraction = save_trace_fraction;
439 trace_inwater = save_trace_inwater;
440 trace_inopen = save_trace_inopen;
441 trace_endpos = save_trace_endpos;
442 trace_plane_normal = save_trace_plane_normal;
443 trace_plane_dist = save_trace_plane_dist;
444 trace_ent = save_trace_ent;
445 trace_dpstartcontents = save_trace_dpstartcontents;
446 trace_dphitcontents = save_trace_dphitcontents;
447 trace_dphitq3surfaceflags = save_trace_dphitq3surfaceflags;
448 trace_dphittexturename = save_trace_dphittexturename;
451 void _Movetype_LinkEdict_TouchAreaGrid(entity this) // SV_LinkEdict_TouchAreaGrid
453 if(this.solid == SOLID_NOT)
456 // due to a lack of pointers in QC, we must save the trace values and restore them for other functions
457 bool save_trace_allsolid = trace_allsolid;
458 bool save_trace_startsolid = trace_startsolid;
459 float save_trace_fraction = trace_fraction;
460 bool save_trace_inwater = trace_inwater;
461 bool save_trace_inopen = trace_inopen;
462 vector save_trace_endpos = trace_endpos;
463 vector save_trace_plane_normal = trace_plane_normal;
464 float save_trace_plane_dist = trace_plane_dist;
465 entity save_trace_ent = trace_ent;
466 int save_trace_dpstartcontents = trace_dpstartcontents;
467 int save_trace_dphitcontents = trace_dphitcontents;
468 int save_trace_dphitq3surfaceflags = trace_dphitq3surfaceflags;
469 string save_trace_dphittexturename = trace_dphittexturename;
471 FOREACH_ENTITY_RADIUS_ORDERED(0.5 * (this.absmin + this.absmax), 0.5 * vlen(this.absmax - this.absmin), true, {
472 if (it.solid == SOLID_TRIGGER && it != this)
473 if (it.move_nomonsters != MOVE_NOMONSTERS && it.move_nomonsters != MOVE_WORLDONLY)
474 if (gettouch(it) && boxesoverlap(it.absmin, it.absmax, this.absmin, this.absmax))
476 trace_allsolid = false;
477 trace_startsolid = false;
479 trace_inwater = false;
481 trace_endpos = it.origin;
482 trace_plane_normal = '0 0 1';
483 trace_plane_dist = 0;
485 trace_dpstartcontents = 0;
486 trace_dphitcontents = 0;
487 trace_dphitq3surfaceflags = 0;
488 trace_dphittexturename = string_null;
490 gettouch(it)(it, this);
494 trace_allsolid = save_trace_allsolid;
495 trace_startsolid = save_trace_startsolid;
496 trace_fraction = save_trace_fraction;
497 trace_inwater = save_trace_inwater;
498 trace_inopen = save_trace_inopen;
499 trace_endpos = save_trace_endpos;
500 trace_plane_normal = save_trace_plane_normal;
501 trace_plane_dist = save_trace_plane_dist;
502 trace_ent = save_trace_ent;
503 trace_dpstartcontents = save_trace_dpstartcontents;
504 trace_dphitcontents = save_trace_dphitcontents;
505 trace_dphitq3surfaceflags = save_trace_dphitq3surfaceflags;
506 trace_dphittexturename = save_trace_dphittexturename;
509 bool autocvar__movetype_debug = false;
510 void _Movetype_LinkEdict(entity this, bool touch_triggers) // SV_LinkEdict
512 if(autocvar__movetype_debug)
515 if(this.solid == SOLID_BSP)
517 // TODO set the absolute bbox
529 if(this.flags & FL_ITEM)
545 setorigin(this, this.origin); // calls SV_LinkEdict
547 // NOTE: CSQC's version of setorigin doesn't expand
548 this.absmin -= '1 1 1';
549 this.absmax += '1 1 1';
554 _Movetype_LinkEdict_TouchAreaGrid(this);
557 int _Movetype_ContentsMask(entity this) // SV_GenericHitSuperContentsMask
561 if(this.dphitcontentsmask)
562 return this.dphitcontentsmask;
563 else if(this.solid == SOLID_SLIDEBOX)
565 if(this.flags & FL_MONSTER)
566 return DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_MONSTERCLIP;
568 return DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP;
570 else if(this.solid == SOLID_CORPSE)
571 return DPCONTENTS_SOLID | DPCONTENTS_BODY;
572 else if(this.solid == SOLID_TRIGGER)
573 return DPCONTENTS_SOLID | DPCONTENTS_BODY;
575 return DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
578 return DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
581 entity _Movetype_TestEntityPosition_ent;
582 bool _Movetype_TestEntityPosition(vector ofs) // SV_TestEntityPosition
584 entity this = _Movetype_TestEntityPosition_ent;
585 vector org = this.origin + ofs;
587 //int cont = this.dphitcontentsmask;
588 //this.dphitcontentsmask = DPCONTENTS_SOLID;
589 tracebox(org, this.mins, this.maxs, this.origin, ((this.move_movetype == MOVETYPE_FLY_WORLDONLY) ? MOVE_WORLDONLY : MOVE_NOMONSTERS), this);
590 //this.dphitcontentsmask = cont;
591 if(trace_dpstartcontents & _Movetype_ContentsMask(this))
594 if(vlen2(trace_endpos - this.origin) >= 0.0001)
596 tracebox(trace_endpos, this.mins, this.maxs, trace_endpos, MOVE_NOMONSTERS, this);
597 if(!trace_startsolid)
598 this.origin = trace_endpos;
603 bool _Movetype_TestEntityPosition_Offset(int offset)
605 // NOTE: expects _Movetype_TestEntityPosition_ent to be set to the correct entity
606 // returns true if stuck
608 // start at 2, since the first position has already been checked
609 for(int j = 2; j <= offset; ++j)
611 if(!_Movetype_TestEntityPosition('0 0 -1' * j))
613 if(!_Movetype_TestEntityPosition('0 0 1' * j))
620 int _Movetype_UnstickEntity(entity this) // SV_UnstickEntity
622 _Movetype_TestEntityPosition_ent = this;
623 if (!_Movetype_TestEntityPosition(' 0 0 0')) {
626 #define X(v) if (_Movetype_TestEntityPosition(v))
627 X('0 0 -1') X(' 0 0 1')
628 X('-1 0 0') X(' 1 0 0')
629 X(' 0 -1 0') X(' 0 1 0')
630 X('-1 -1 0') X(' 1 -1 0')
631 X('-1 1 0') X(' 1 1 0')
634 if(_Movetype_TestEntityPosition_Offset(rint((this.maxs.z - this.mins.z) * 0.36)))
636 LOG_DEBUGF("Can't unstick an entity (edict: %d, classname: %s, origin: %s)",
637 etof(this), this.classname, vtos(this.origin));
638 return UNSTICK_STUCK;
641 LOG_DEBUGF("Sucessfully unstuck an entity (edict: %d, classname: %s, origin: %s)",
642 etof(this), this.classname, vtos(this.origin));
643 _Movetype_LinkEdict(this, false);
644 return UNSTICK_FIXED;
647 void _Movetype_CheckStuck(entity this) // SV_CheckStuck
649 int unstick = _Movetype_UnstickEntity(this); // sets test position entity
653 this.oldorigin = this.origin;
656 break; // already sorted
658 vector offset = this.oldorigin - this.origin;
659 if(!_Movetype_TestEntityPosition(offset))
660 _Movetype_LinkEdict(this, false);
661 // couldn't unstick, should we warn about this?
666 vector _Movetype_ClipVelocity(vector vel, vector norm, float f) // ClipVelocity
668 vel -= ((vel * norm) * norm) * f;
670 if(vel.x > -0.1 && vel.x < 0.1) vel.x = 0;
671 if(vel.y > -0.1 && vel.y < 0.1) vel.y = 0;
672 if(vel.z > -0.1 && vel.z < 0.1) vel.z = 0;
677 void _Movetype_PushEntityTrace(entity this, vector push)
679 vector end = this.origin + push;
681 if(this.move_nomonsters)
682 type = max(0, this.move_nomonsters);
683 else if(this.move_movetype == MOVETYPE_FLYMISSILE)
685 else if(this.move_movetype == MOVETYPE_FLY_WORLDONLY)
686 type = MOVE_WORLDONLY;
687 else if(this.solid == SOLID_TRIGGER || this.solid == SOLID_NOT)
688 type = MOVE_NOMONSTERS;
692 tracebox(this.origin, this.mins, this.maxs, end, type, this);
695 bool _Movetype_PushEntity(entity this, vector push, bool failonstartsolid, bool dolink) // SV_PushEntity
697 _Movetype_PushEntityTrace(this, push);
699 // NOTE: this is a workaround for the QC's lack of a worldstartsolid trace parameter
700 if(trace_startsolid && failonstartsolid)
702 int oldtype = this.move_nomonsters;
703 this.move_nomonsters = MOVE_WORLDONLY;
704 _Movetype_PushEntityTrace(this, push);
705 this.move_nomonsters = oldtype;
710 this.origin = trace_endpos;
712 vector last_origin = this.origin;
714 _Movetype_LinkEdict(this, dolink);
716 if((this.solid >= SOLID_TRIGGER && trace_fraction < 1 && (!IS_ONGROUND(this) || this.groundentity != trace_ent)))
717 _Movetype_Impact(this, trace_ent);
719 return (this.origin == last_origin); // false if teleported by touch
722 void _Movetype_Physics_Frame(entity this, float movedt)
724 this.move_didgravity = -1;
725 switch (this.move_movetype)
728 case MOVETYPE_FAKEPUSH:
729 _Movetype_Physics_Push(this, movedt);
733 case MOVETYPE_FOLLOW:
734 _Movetype_Physics_Follow(this);
736 case MOVETYPE_NOCLIP:
737 _Movetype_CheckWater(this);
738 this.origin = this.origin + movedt * this.velocity;
739 this.angles = this.angles + movedt * this.avelocity;
740 _Movetype_LinkEdict(this, false);
743 _Movetype_Physics_Step(this, movedt);
746 _Movetype_Physics_Walk(this, movedt);
749 case MOVETYPE_BOUNCE:
750 case MOVETYPE_BOUNCEMISSILE:
751 case MOVETYPE_FLYMISSILE:
753 case MOVETYPE_FLY_WORLDONLY:
754 _Movetype_Physics_Toss(this, movedt);
756 case MOVETYPE_PHYSICS:
761 void _Movetype_Physics_ClientFrame(entity this, float movedt)
763 this.move_didgravity = -1;
764 switch (this.move_movetype)
767 case MOVETYPE_FAKEPUSH:
768 LOG_DEBUG("Physics: Lacking QuakeC support for Push movetype, FIX ME by using engine physics!");
772 case MOVETYPE_FOLLOW:
773 _Movetype_Physics_Follow(this);
775 case MOVETYPE_NOCLIP:
776 _Movetype_CheckWater(this);
777 this.origin = this.origin + movedt * this.velocity;
778 this.angles = this.angles + movedt * this.avelocity;
781 if (GAMEPLAYFIX_UNSTICKPLAYERS(this) == 2)
782 _Movetype_CheckStuck(this);
783 _Movetype_Physics_Step(this, movedt);
787 case MOVETYPE_FLY_WORLDONLY:
788 if (movedt > 0 && GAMEPLAYFIX_UNSTICKPLAYERS(this) == 2)
789 _Movetype_CheckStuck(this);
790 _Movetype_Physics_Walk(this, movedt);
793 case MOVETYPE_BOUNCE:
794 case MOVETYPE_BOUNCEMISSILE:
795 case MOVETYPE_FLYMISSILE:
796 if (GAMEPLAYFIX_UNSTICKPLAYERS(this) == 2)
797 _Movetype_CheckStuck(this);
798 _Movetype_Physics_Toss(this, movedt);
800 case MOVETYPE_PHYSICS:
804 //_Movetype_CheckVelocity(this);
806 _Movetype_LinkEdict(this, true);
808 //_Movetype_CheckVelocity(this);
811 void Movetype_Physics_NoMatchTicrate(entity this, float movedt, bool isclient) // to be run every move frame
813 bool didmove = (this.move_time != 0);
814 this.move_time = time;
817 _Movetype_Physics_ClientFrame(this, movedt);
820 // this doesn't apply to clients, and only applies to unmatched entities
821 // don't run think/move on newly spawned projectiles as it messes up
822 // movement interpolation and rocket trails, and is inconsistent with
823 // respect to entities spawned in the same frame
824 // (if an ent spawns a higher numbered ent, it moves in the same frame,
825 // but if it spawns a lower numbered ent, it doesn't - this never moves
826 // ents in the first frame regardless)
827 if(!didmove && GAMEPLAYFIX_DELAYPROJECTILES(this) > 0)
829 _Movetype_Physics_Frame(this, movedt);
834 setorigin(this, this.origin);
837 void Movetype_Physics_NoMatchServer(entity this) // optimized
839 float movedt = time - this.move_time;
840 this.move_time = time;
842 _Movetype_Physics_Frame(this, movedt);
846 setorigin(this, this.origin);
849 void Movetype_Physics_MatchServer(entity this, bool sloppy)
851 Movetype_Physics_MatchTicrate(this, TICRATE, sloppy);
856 .vector tic_velocity;
858 .vector tic_avelocity;
862 .vector tic_saved_origin;
863 .vector tic_saved_velocity;
864 .int tic_saved_flags;
865 .vector tic_saved_avelocity;
866 .vector tic_saved_angles;
867 void Movetype_Physics_MatchTicrate(entity this, float tr, bool sloppy) // SV_Physics_Entity
869 // this hack exists to contain the physics feature
870 // (so entities can place themselves in the world and not need to update .tic_* themselves)
872 if(this.(s) != this.tic_saved_##s) \
873 this.tic_##s = this.(s)
882 this.flags = this.tic_flags;
883 this.velocity = this.tic_velocity;
884 setorigin(this, this.tic_origin);
885 this.avelocity = this.tic_avelocity;
886 this.angles = this.tic_angles;
890 Movetype_Physics_NoMatchServer(this);
892 this.tic_saved_flags = this.tic_flags = this.flags;
893 this.tic_saved_velocity = this.tic_velocity = this.velocity;
894 this.tic_saved_origin = this.tic_origin = this.origin;
895 this.tic_saved_avelocity = this.tic_avelocity = this.avelocity;
896 this.tic_saved_angles = this.tic_angles = this.angles;
900 float dt = time - this.move_time;
902 int n = bound(0, floor(dt / tr), 32); // limit the number of frames to 32 (CL_MAX_USERCMDS, using DP_SMALLMEMORY value for consideration of QC's limitations)
904 this.move_time += n * tr;
906 if(!this.move_didgravity)
907 this.move_didgravity = ((this.move_movetype == MOVETYPE_BOUNCE || this.move_movetype == MOVETYPE_TOSS) && !(this.tic_flags & FL_ONGROUND));
909 for (int j = 0; j < n; ++j)
911 _Movetype_Physics_Frame(this, tr);
916 // update the physics fields
917 this.tic_origin = this.origin;
918 this.tic_velocity = this.velocity;
919 this.tic_avelocity = this.avelocity;
920 this.tic_angles = this.angles;
921 this.tic_flags = this.flags;
923 // restore their actual values
924 this.flags = this.tic_saved_flags;
925 this.velocity = this.tic_saved_velocity;
926 setorigin(this, this.tic_saved_origin);
927 //this.avelocity = this.tic_saved_avelocity;
928 this.angles = this.tic_saved_angles;
930 this.avelocity = this.tic_avelocity;
932 if(dt > 0 && this.move_movetype != MOVETYPE_NONE && !(this.tic_flags & FL_ONGROUND))
934 // now continue the move from move_time to time
935 this.velocity = this.tic_velocity;
937 if(this.move_didgravity > 0)
939 this.velocity_z -= (GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE ? 0.5 : 1)
941 * ((this.gravity) ? this.gravity : 1)
942 * PHYS_GRAVITY(this);
945 this.angles = this.tic_angles + dt * this.avelocity;
947 if(sloppy || this.move_movetype == MOVETYPE_NOCLIP)
949 setorigin(this, this.tic_origin + dt * this.velocity);
953 setorigin(this, this.tic_origin);
954 _Movetype_PushEntityTrace(this, dt * this.velocity);
955 if(!trace_startsolid)
956 setorigin(this, trace_endpos);
958 setorigin(this, this.tic_saved_origin);
961 if(this.move_didgravity > 0 && GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE)
962 this.velocity_z -= 0.5 * dt * ((this.gravity) ? this.gravity : 1) * PHYS_GRAVITY(this);
966 this.velocity = this.tic_velocity;
967 this.angles = this.tic_angles;
968 setorigin(this, this.tic_origin);
971 this.flags = this.tic_flags;
973 this.tic_saved_flags = this.flags;
974 this.tic_saved_velocity = this.velocity;
975 this.tic_saved_origin = this.origin;
976 this.tic_saved_avelocity = this.avelocity;
977 this.tic_saved_angles = this.angles;