2 #include "../physics.qh"
5 #include "../../dpdefs/csprogsdefs.qh"
6 #include "../../client/defs.qh"
9 #include "movetypes.qh"
10 #include "../../csqcmodellib/common.qh"
11 #include "../../server/t_items.qh"
14 #include "../../server/autocvars.qh"
17 void _Movetype_WallFriction(vector stepnormal) // SV_WallFriction
21 makevectors(self.v_angle);
22 d = (stepnormal * v_forward) + 0.5;
26 i = (stepnormal * self.move_velocity);
27 into = i * stepnormal;
28 side = self.move_velocity - into;
29 self.move_velocity_x = side.x * (1 * d);
30 self.move_velocity_y = side.y * (1 * d);
34 vector planes[MAX_CLIP_PLANES];
35 int _Movetype_FlyMove(float dt, bool applygravity, vector stepnormal, float stepheight) // SV_FlyMove
37 int blocked = 0, bumpcount;
38 int i, j, numplanes = 0;
39 float time_left = dt, grav = 0;
41 vector primal_velocity, original_velocity, restore_velocity;
43 for(i = 0; i < MAX_CLIP_PLANES; ++i)
48 self.move_didgravity = 1;
49 grav = dt * (PHYS_ENTGRAVITY(self) ? PHYS_ENTGRAVITY(self) : 1) * PHYS_GRAVITY;
51 if(!GAMEPLAYFIX_NOGRAVITYONGROUND || !(self.move_flags & FL_ONGROUND))
53 if(GRAVITY_UNAFFECTED_BY_TICRATE)
54 self.move_velocity_z -= grav * 0.5;
56 self.move_velocity_z -= grav;
60 original_velocity = primal_velocity = restore_velocity = self.move_velocity;
62 for(bumpcount = 0;bumpcount < MAX_CLIP_PLANES;bumpcount++)
64 if(self.move_velocity == '0 0 0')
67 push = self.move_velocity * time_left;
68 vector prev_origin = self.move_origin;
69 _Movetype_PushEntity(push, true);
70 if(trace_startsolid && self.move_origin != prev_origin)
72 // we got teleported by a touch function
73 // let's abort the move
78 // this code is used by MOVETYPE_WALK and MOVETYPE_STEP and SV_UnstickEntity
79 // abort move if we're stuck in the world (and didn't make it out)
80 if(trace_startsolid && trace_allsolid)
82 self.move_velocity = restore_velocity;
86 if(trace_fraction == 1)
89 float my_trace_fraction = trace_fraction;
90 vector my_trace_plane_normal = trace_plane_normal;
92 if(trace_plane_normal_z)
94 if(trace_plane_normal_z > 0.7)
101 //dprint("_Movetype_FlyMove: !trace_ent\n");
105 self.move_flags |= FL_ONGROUND;
106 self.move_groundentity = trace_ent;
111 // step - handle it immediately
112 vector org = self.move_origin;
113 vector steppush = '0 0 1' * stepheight;
115 _Movetype_PushEntity(steppush, true);
116 if(trace_startsolid && self.move_origin != org)
121 _Movetype_PushEntity(push, true);
122 if(trace_startsolid && self.move_origin != org)
127 float trace2_fraction = trace_fraction;
128 steppush = '0 0 1' * (org_z - self.move_origin_z);
129 _Movetype_PushEntity(steppush, true);
130 if(trace_startsolid && self.move_origin != org)
136 // accept the new position if it made some progress...
137 if(fabs(self.move_origin_x - org_x) >= 0.03125 || fabs(self.move_origin_y - org_y) >= 0.03125)
139 trace_endpos = self.move_origin;
140 time_left *= 1 - trace2_fraction;
145 self.move_origin = org;
149 // step - return it to caller
151 // save the trace for player extrafriction
153 stepnormal = trace_plane_normal;
156 if(my_trace_fraction >= 0.001)
158 // actually covered some distance
159 original_velocity = self.move_velocity;
163 time_left *= 1 - my_trace_fraction;
165 // clipped to another plane
166 if(numplanes >= MAX_CLIP_PLANES)
168 // this shouldn't really happen
169 self.move_velocity = '0 0 0';
174 planes[numplanes] = my_trace_plane_normal;
177 // modify original_velocity so it parallels all of the clip planes
178 vector new_velocity = '0 0 0';
179 for (i = 0;i < numplanes;i++)
181 new_velocity = _Movetype_ClipVelocity(original_velocity, planes[i], 1);
182 for (j = 0;j < numplanes;j++)
187 if((new_velocity * planes[j]) < 0)
197 // go along this plane
198 self.move_velocity = new_velocity;
202 // go along the crease
205 self.move_velocity = '0 0 0';
209 vector dir = cross(planes[0], planes[1]);
210 // LordHavoc: thanks to taniwha of QuakeForge for pointing out this fix for slowed falling in corners
211 float ilength = sqrt((dir * dir));
213 ilength = 1.0 / ilength;
217 float d = (dir * self.move_velocity);
218 self.move_velocity = dir * d;
221 // if current velocity is against the original velocity,
222 // stop dead to avoid tiny occilations in sloping corners
223 if((self.move_velocity * primal_velocity) <= 0)
225 self.move_velocity = '0 0 0';
230 // LordHavoc: this came from QW and allows you to get out of water more easily
231 if(GAMEPLAYFIX_EASIERWATERJUMP && (self.move_flags & FL_WATERJUMP) && !(blocked & 8))
232 self.move_velocity = primal_velocity;
236 if(!GAMEPLAYFIX_NOGRAVITYONGROUND || !(self.move_flags & FL_ONGROUND))
238 if(GRAVITY_UNAFFECTED_BY_TICRATE)
239 self.move_velocity_z -= grav * 0.5f;
246 void _Movetype_CheckVelocity() // SV_CheckVelocity
248 // if(vlen(self.move_velocity) < 0.0001)
249 // self.move_velocity = '0 0 0';
252 bool _Movetype_CheckWater(entity ent) // SV_CheckWater
254 vector point = ent.move_origin;
255 point.z += (ent.mins.z + 1);
257 int nativecontents = pointcontents(point);
258 if(ent.move_watertype && ent.move_watertype != nativecontents)
260 // dprintf("_Movetype_CheckWater(): Original: '%d', New: '%d'\n", ent.move_watertype, nativecontents);
261 if(ent.contentstransition)
262 ent.contentstransition(ent.move_watertype, nativecontents);
265 ent.move_waterlevel = 0;
266 ent.move_watertype = CONTENT_EMPTY;
268 int supercontents = Mod_Q1BSP_SuperContentsFromNativeContents(nativecontents);
269 if(supercontents & DPCONTENTS_LIQUIDSMASK)
271 ent.move_watertype = nativecontents;
272 ent.move_waterlevel = 1;
273 point.y = (ent.origin.y + ((ent.mins.z + ent.maxs.y) * 0.5));
274 if(Mod_Q1BSP_SuperContentsFromNativeContents(pointcontents(point)) & DPCONTENTS_LIQUIDSMASK)
276 ent.move_waterlevel = 2;
277 point.y = ent.origin.y + ent.view_ofs.y;
278 if(Mod_Q1BSP_SuperContentsFromNativeContents(pointcontents(point)) & DPCONTENTS_LIQUIDSMASK)
279 ent.move_waterlevel = 3;
283 return ent.move_waterlevel > 1;
286 void _Movetype_CheckWaterTransition(entity ent) // SV_CheckWaterTransition
288 int contents = pointcontents(ent.move_origin);
290 if(!ent.move_watertype)
293 if(!autocvar_cl_gameplayfix_fixedcheckwatertransition)
295 ent.move_watertype = contents;
296 ent.move_waterlevel = 1;
300 else if(ent.move_watertype != contents)
302 // dprintf("_Movetype_CheckWaterTransition(): Origin: %s, Direct: '%d', Original: '%d', New: '%d'\n", vtos(ent.move_origin), pointcontents(ent.move_origin), ent.move_watertype, contents);
303 if(ent.contentstransition)
304 ent.contentstransition(ent.move_watertype, contents);
307 if(contents <= CONTENT_WATER)
309 ent.move_watertype = contents;
310 ent.move_waterlevel = 1;
314 ent.move_watertype = CONTENT_EMPTY;
315 ent.move_waterlevel = (autocvar_cl_gameplayfix_fixedcheckwatertransition ? 0 : contents);
319 void _Movetype_Impact(entity oth) // SV_Impact
321 entity oldother = other;
336 WITH(entity, self, oth, oth.move_touch());
342 void _Movetype_LinkEdict_TouchAreaGrid() // SV_LinkEdict_TouchAreaGrid
344 entity oldother = other;
346 for (entity e = findradius(0.5 * (self.absmin + self.absmax), 0.5 * vlen(self.absmax - self.absmin)); e; e = e.chain)
348 if(e.move_touch && boxesoverlap(e.absmin, e.absmax, this.absmin, this.absmax))
353 trace_allsolid = false;
354 trace_startsolid = false;
356 trace_inwater = false;
358 trace_endpos = e.origin;
359 trace_plane_normal = '0 0 1';
360 trace_plane_dist = 0;
371 void _Movetype_LinkEdict(bool touch_triggers) // SV_LinkEdict
374 if(self.solid == SOLID_BSP)
376 // TODO set the absolute bbox
385 mi += self.move_origin;
386 ma += self.move_origin;
388 if(self.move_flags & FL_ITEM)
411 _Movetype_LinkEdict_TouchAreaGrid();
414 bool _Movetype_TestEntityPosition(vector ofs) // SV_TestEntityPosition
416 // vector org = self.move_origin + ofs;
418 int cont = self.dphitcontentsmask;
419 self.dphitcontentsmask = DPCONTENTS_SOLID;
420 tracebox(self.move_origin, self.mins, self.maxs, self.move_origin, MOVE_NOMONSTERS, self);
421 self.dphitcontentsmask = cont;
426 if(vlen(trace_endpos - self.move_origin) > 0.0001)
427 self.move_origin = trace_endpos;
431 bool _Movetype_UnstickEntity() // SV_UnstickEntity
433 if(!_Movetype_TestEntityPosition('0 0 0')) return true;
434 if(!_Movetype_TestEntityPosition('-1 0 0')) goto success;
435 if(!_Movetype_TestEntityPosition('1 0 0')) goto success;
436 if(!_Movetype_TestEntityPosition('0 -1 0')) goto success;
437 if(!_Movetype_TestEntityPosition('0 1 0')) goto success;
438 if(!_Movetype_TestEntityPosition('-1 -1 0')) goto success;
439 if(!_Movetype_TestEntityPosition('1 -1 0')) goto success;
440 if(!_Movetype_TestEntityPosition('-1 1 0')) goto success;
441 if(!_Movetype_TestEntityPosition('1 1 0')) goto success;
442 for (int i = 1; i <= 17; ++i)
444 if(!_Movetype_TestEntityPosition('0 0 -1' * i)) goto success;
445 if(!_Movetype_TestEntityPosition('0 0 1' * i)) goto success;
447 LOG_TRACEF("Can't unstick an entity (edict: %d, classname: %s, origin: %s)\n",
448 num_for_edict(self), self.classname, vtos(self.move_origin));
451 LOG_TRACEF("Sucessfully unstuck an entity (edict: %d, classname: %s, origin: %s)\n",
452 num_for_edict(self), self.classname, vtos(self.move_origin));
453 _Movetype_LinkEdict(true);
457 vector _Movetype_ClipVelocity(vector vel, vector norm, float f) // SV_ClipVelocity
459 vel -= ((vel * norm) * norm) * f;
461 if(vel.x > -0.1 && vel.x < 0.1) vel.x = 0;
462 if(vel.y > -0.1 && vel.y < 0.1) vel.y = 0;
463 if(vel.z > -0.1 && vel.z < 0.1) vel.z = 0;
468 void _Movetype_PushEntityTrace(vector push)
470 vector end = self.move_origin + push;
472 if(self.move_nomonsters)
473 type = max(0, self.move_nomonsters);
474 else if(self.move_movetype == MOVETYPE_FLYMISSILE)
476 else if(self.solid == SOLID_TRIGGER || self.solid == SOLID_NOT)
477 type = MOVE_NOMONSTERS;
481 tracebox(self.move_origin, self.mins, self.maxs, end, type, self);
484 float _Movetype_PushEntity(vector push, bool failonstartsolid) // SV_PushEntity
486 _Movetype_PushEntityTrace(push);
488 if(trace_startsolid && failonstartsolid)
489 return trace_fraction;
491 self.move_origin = trace_endpos;
493 if(trace_fraction < 1)
494 if(self.solid >= SOLID_TRIGGER && (!(self.move_flags & FL_ONGROUND) || (self.move_groundentity != trace_ent)))
495 _Movetype_Impact(trace_ent);
497 return trace_fraction;
503 // matrix version of makevectors, sets v_forward, v_right and v_up
504 void makevectors_matrix(vector myangles) // AngleVectorsFLU
506 v_forward = v_right = v_up = '0 0 0';
508 float y = myangles.y * (M_PI * 2 / 360);
511 float p = myangles.x * (M_PI * 2 / 360);
516 v_forward.x = cp * cy;
517 v_forward.y = cp * sy;
524 float r = myangles.z * (M_PI * 2 / 360);
529 v_right.x = sr * sp * cy + cr * -sy;
530 v_right.y = sr * sp * sy + cr * cy;
535 v_up.x = cr * sp * cy + -sr * -sy;
536 v_up.y = cr * sp * sy + -sr * cy;
558 void _Movetype_Physics_Frame(float movedt)
560 self.move_didgravity = -1;
561 switch (self.move_movetype)
564 case MOVETYPE_FAKEPUSH:
565 _Movetype_Physics_Pusher(movedt);
569 case MOVETYPE_FOLLOW:
570 _Movetype_Physics_Follow();
572 case MOVETYPE_NOCLIP:
573 _Movetype_CheckWater(self);
574 self.move_origin = self.move_origin + TICRATE * self.move_velocity;
575 self.move_angles = self.move_angles + TICRATE * self.move_avelocity;
576 _Movetype_LinkEdict(false);
579 _Movetype_Physics_Step(movedt);
582 _Movetype_Physics_Walk(movedt);
585 case MOVETYPE_BOUNCE:
586 case MOVETYPE_BOUNCEMISSILE:
587 case MOVETYPE_FLYMISSILE:
589 _Movetype_Physics_Toss(movedt);
594 void Movetype_Physics_NoMatchServer() // optimized
596 float movedt = time - self.move_time;
597 self.move_time = time;
599 _Movetype_Physics_Frame(movedt);
603 self.avelocity = self.move_avelocity;
604 self.velocity = self.move_velocity;
605 self.angles = self.move_angles;
606 setorigin(self, self.move_origin);
609 void Movetype_Physics_MatchServer(bool sloppy)
611 Movetype_Physics_MatchTicrate(TICRATE, sloppy);
614 void Movetype_Physics_MatchTicrate(float tr, bool sloppy) // SV_Physics_Entity
618 Movetype_Physics_NoMatchServer();
622 float dt = time - self.move_time;
624 int n = max(0, floor(dt / tr));
626 self.move_time += n * tr;
628 if(!self.move_didgravity)
629 self.move_didgravity = ((self.move_movetype == MOVETYPE_BOUNCE || self.move_movetype == MOVETYPE_TOSS) && !(self.move_flags & FL_ONGROUND));
631 for (int i = 0; i < n; ++i)
633 _Movetype_Physics_Frame(tr);
638 self.avelocity = self.move_avelocity;
640 if(dt > 0 && self.move_movetype != MOVETYPE_NONE && !(self.move_flags & FL_ONGROUND))
642 // now continue the move from move_time to time
643 self.velocity = self.move_velocity;
645 if(self.move_didgravity > 0)
647 self.velocity_z -= (GRAVITY_UNAFFECTED_BY_TICRATE ? 0.5 : 1)
649 * (self.gravity ? self.gravity : 1)
653 self.angles = self.move_angles + dt * self.avelocity;
655 if(sloppy || self.move_movetype == MOVETYPE_NOCLIP)
657 setorigin(self, self.move_origin + dt * self.velocity);
661 _Movetype_PushEntityTrace(dt * self.velocity);
662 if(!trace_startsolid)
663 setorigin(self, trace_endpos);
666 if(self.move_didgravity > 0 && GRAVITY_UNAFFECTED_BY_TICRATE)
667 self.velocity_z -= 0.5 * dt * (self.gravity ? self.gravity : 1) * PHYS_GRAVITY;
671 self.velocity = self.move_velocity;
672 self.angles = self.move_angles;
673 setorigin(self, self.move_origin);