11 .float spectatorspeed;
17 When you press the jump key
18 returns TRUE if handled
21 float PlayerJump (void)
24 return TRUE; // no jumping in freezetag when frozen
26 if(self.player_blocked)
27 return TRUE; // no jumping while blocked
29 float doublejump = FALSE;
30 float mjumpheight = autocvar_sv_jumpvelocity;
32 player_multijump = doublejump;
33 player_jumpheight = mjumpheight;
34 if(MUTATOR_CALLHOOK(PlayerJump))
37 doublejump = player_multijump;
38 mjumpheight = player_jumpheight;
40 if (autocvar_sv_doublejump)
42 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);
43 if (trace_fraction < 1 && trace_plane_normal_z > 0.7)
47 // we MUST clip velocity here!
49 f = self.velocity * trace_plane_normal;
51 self.velocity -= f * trace_plane_normal;
55 if (self.waterlevel >= WATERLEVEL_SWIMMING)
57 self.velocity_z = self.stat_sv_maxspeed * 0.7;
62 if (!(self.flags & FL_ONGROUND))
63 return !(self.flags & FL_JUMPRELEASED);
65 if(self.cvar_cl_movement_track_canjump)
66 if (!(self.flags & FL_JUMPRELEASED))
69 // sv_jumpspeedcap_min/sv_jumpspeedcap_max act as baseline
70 // velocity bounds. Final velocity is bound between (jumpheight *
71 // min + jumpheight) and (jumpheight * max + jumpheight);
73 if(autocvar_sv_jumpspeedcap_min != "")
77 minjumpspeed = mjumpheight * stof(autocvar_sv_jumpspeedcap_min);
79 if (self.velocity_z < minjumpspeed)
80 mjumpheight += minjumpspeed - self.velocity_z;
83 if(autocvar_sv_jumpspeedcap_max != "")
85 // don't do jump speedcaps on ramps to preserve old xonotic ramjump style
86 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);
88 if(!(trace_fraction < 1 && trace_plane_normal_z < 0.98 && autocvar_sv_jumpspeedcap_max_disable_on_ramps))
92 maxjumpspeed = mjumpheight * stof(autocvar_sv_jumpspeedcap_max);
94 if (self.velocity_z > maxjumpspeed)
95 mjumpheight -= self.velocity_z - maxjumpspeed;
99 if(!(self.lastflags & FL_ONGROUND))
101 if(autocvar_speedmeter)
102 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));
103 if(self.lastground < time - 0.3)
105 self.velocity_x *= (1 - autocvar_sv_friction_on_land);
106 self.velocity_y *= (1 - autocvar_sv_friction_on_land);
108 if(self.jumppadcount > 1)
109 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));
110 self.jumppadcount = 0;
113 self.velocity_z = self.velocity_z + mjumpheight;
114 self.oldvelocity_z = self.velocity_z;
116 self.flags &= ~FL_ONGROUND;
117 self.flags &= ~FL_JUMPRELEASED;
119 animdecide_setaction(self, ANIMACTION_JUMP, TRUE);
121 if(autocvar_g_jump_grunt)
122 PlayerSound(playersound_jump, CH_PLAYER, VOICETYPE_PLAYERSOUND);
124 self.restart_jump = -1; // restart jump anim next time
125 // value -1 is used to not use the teleport bit (workaround for tiny hitch when re-jumping)
128 void CheckWaterJump()
132 // check for a jump-out-of-water
133 makevectors (self.angles);
135 start_z = start_z + 8;
137 normalize(v_forward);
138 end = start + v_forward*24;
139 traceline (start, end, TRUE, self);
140 if (trace_fraction < 1)
142 start_z = start_z + self.maxs_z - 8;
143 end = start + v_forward*24;
144 self.movedir = trace_plane_normal * -50;
145 traceline (start, end, TRUE, self);
146 if (trace_fraction == 1)
147 { // open at eye level
148 self.flags |= FL_WATERJUMP;
149 self.velocity_z = 225;
150 self.flags &= ~FL_JUMPRELEASED;
151 self.teleport_time = time + 2; // safety net
157 .float jetpack_stopped;
158 // Hack: shouldn't need to know about this
159 .float multijump_count;
160 void CheckPlayerJump()
162 float was_flying = self.items & IT_USING_JETPACK;
164 if (self.cvar_cl_jetpack_jump < 2)
165 self.items &= ~IT_USING_JETPACK;
167 if (self.BUTTON_JUMP || self.BUTTON_JETPACK)
169 float air_jump = !PlayerJump() || self.multijump_count > 0; // PlayerJump() has important side effects
170 float activate = self.cvar_cl_jetpack_jump && air_jump && self.BUTTON_JUMP || self.BUTTON_JETPACK;
171 float has_fuel = !autocvar_g_jetpack_fuel || self.ammo_fuel || self.items & IT_UNLIMITED_WEAPON_AMMO;
172 if (!(self.items & IT_JETPACK)) { }
173 else if (self.jetpack_stopped) { }
176 if (was_flying) // TODO: ran out of fuel message
177 Send_Notification(NOTIF_ONE, self, MSG_INFO, INFO_JETPACK_NOFUEL);
179 Send_Notification(NOTIF_ONE, self, MSG_INFO, INFO_JETPACK_NOFUEL);
180 self.jetpack_stopped = TRUE;
181 self.items &= ~IT_USING_JETPACK;
183 else if (activate && !self.frozen)
184 self.items |= IT_USING_JETPACK;
188 self.jetpack_stopped = FALSE;
189 self.items &= ~IT_USING_JETPACK;
191 if (!self.BUTTON_JUMP)
192 self.flags |= FL_JUMPRELEASED;
194 if (self.waterlevel == WATERLEVEL_SWIMMING)
198 float racecar_angle(float forward, float down)
200 float ret, angle_mult;
208 ret = vectoyaw('0 1 0' * down + '1 0 0' * forward);
210 angle_mult = forward / (800 + forward);
213 return ret * angle_mult + 360 * (1 - angle_mult);
215 return ret * angle_mult;
218 void RaceCarPhysics()
220 // using this move type for "big rigs"
221 // the engine does not push the entity!
223 float accel, steer, f, myspeed, steerfactor;
224 vector angles_save, rigvel;
226 angles_save = self.angles;
227 accel = bound(-1, self.movement_x / self.stat_sv_maxspeed, 1);
228 steer = bound(-1, self.movement_y / self.stat_sv_maxspeed, 1);
230 if(g_bugrigs_reverse_speeding)
234 // back accel is DIGITAL
235 // to prevent speedhack
245 makevectors(self.angles); // new forward direction!
247 if(self.flags & FL_ONGROUND || g_bugrigs_air_steering)
249 float upspeed, accelfactor;
251 myspeed = self.velocity * v_forward;
252 upspeed = self.velocity * v_up;
254 // responsiveness factor for steering and acceleration
255 f = 1 / (1 + pow(max(-myspeed, myspeed) / g_bugrigs_speed_ref, g_bugrigs_speed_pow));
256 //MAXIMA: f(v) := 1 / (1 + (v / g_bugrigs_speed_ref) ^ g_bugrigs_speed_pow);
258 if(myspeed < 0 && g_bugrigs_reverse_spinning)
259 steerfactor = -myspeed * g_bugrigs_steer;
261 steerfactor = -myspeed * f * g_bugrigs_steer;
263 if(myspeed < 0 && g_bugrigs_reverse_speeding)
264 accelfactor = g_bugrigs_accel;
266 accelfactor = f * g_bugrigs_accel;
267 //MAXIMA: accel(v) := f(v) * g_bugrigs_accel;
273 myspeed = max(0, myspeed - frametime * (g_bugrigs_friction_floor - g_bugrigs_friction_brake * accel));
277 if(!g_bugrigs_reverse_speeding)
278 myspeed = min(0, myspeed + frametime * g_bugrigs_friction_floor);
285 myspeed = max(0, myspeed - frametime * g_bugrigs_friction_floor);
289 if(g_bugrigs_reverse_stopping)
292 myspeed = min(0, myspeed + frametime * (g_bugrigs_friction_floor + g_bugrigs_friction_brake * accel));
295 // terminal velocity = velocity at which 50 == accelfactor, that is, 1549 units/sec
296 //MAXIMA: friction(v) := g_bugrigs_friction_floor;
298 self.angles_y += steer * frametime * steerfactor; // apply steering
299 makevectors(self.angles); // new forward direction!
301 myspeed += accel * accelfactor * frametime;
303 rigvel = myspeed * v_forward + '0 0 1' * upspeed;
307 myspeed = vlen(self.velocity);
309 // responsiveness factor for steering and acceleration
310 f = 1 / (1 + pow(max(0, myspeed / g_bugrigs_speed_ref), g_bugrigs_speed_pow));
311 steerfactor = -myspeed * f;
312 self.angles_y += steer * frametime * steerfactor; // apply steering
314 rigvel = self.velocity;
315 makevectors(self.angles); // new forward direction!
318 rigvel = rigvel * max(0, 1 - vlen(rigvel) * g_bugrigs_friction_air * frametime);
319 //MAXIMA: airfriction(v) := v * v * g_bugrigs_friction_air;
320 //MAXIMA: total_acceleration(v) := accel(v) - friction(v) - airfriction(v);
321 //MAXIMA: solve(total_acceleration(v) = 0, v);
323 if(g_bugrigs_planar_movement)
325 vector rigvel_xy, neworigin, up;
328 rigvel_z -= frametime * autocvar_sv_gravity; // 4x gravity plays better
329 rigvel_xy = vec2(rigvel);
331 if(g_bugrigs_planar_movement_car_jumping)
334 mt = MOVE_NOMONSTERS;
336 tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 1024', mt, self);
337 up = trace_endpos - self.origin;
339 // BUG RIGS: align the move to the surface instead of doing collision testing
341 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos + rigvel_xy * frametime, mt, self);
344 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos - up + '0 0 1' * rigvel_z * frametime, mt, self);
346 if(trace_fraction < 0.5)
349 neworigin = self.origin;
352 neworigin = trace_endpos;
354 if(trace_fraction < 1)
356 // now set angles_x so that the car points parallel to the surface
357 self.angles = vectoangles(
358 '1 0 0' * v_forward_x * trace_plane_normal_z
360 '0 1 0' * v_forward_y * trace_plane_normal_z
362 '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y)
364 self.flags |= FL_ONGROUND;
368 // now set angles_x so that the car points forward, but is tilted in velocity direction
369 self.flags &= ~FL_ONGROUND;
372 self.velocity = (neworigin - self.origin) * (1.0 / frametime);
373 self.movetype = MOVETYPE_NOCLIP;
377 rigvel_z -= frametime * autocvar_sv_gravity; // 4x gravity plays better
378 self.velocity = rigvel;
379 self.movetype = MOVETYPE_FLY;
383 tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 4', MOVE_NORMAL, self);
384 if(trace_fraction != 1)
386 self.angles = vectoangles2(
387 '1 0 0' * v_forward_x * trace_plane_normal_z
389 '0 1 0' * v_forward_y * trace_plane_normal_z
391 '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y),
399 vel_local_x = v_forward * self.velocity;
400 vel_local_y = v_right * self.velocity;
401 vel_local_z = v_up * self.velocity;
403 self.angles_x = racecar_angle(vel_local_x, vel_local_z);
404 self.angles_z = racecar_angle(-vel_local_y, vel_local_z);
408 vector vf1, vu1, smoothangles;
409 makevectors(self.angles);
410 f = bound(0, frametime * g_bugrigs_angle_smoothing, 1);
415 makevectors(angles_save);
416 vf1 = vf1 + v_forward * (1 - f);
417 vu1 = vu1 + v_up * (1 - f);
418 smoothangles = vectoangles2(vf1, vu1);
419 self.angles_x = -smoothangles_x;
420 self.angles_z = smoothangles_z;
423 float IsMoveInDirection(vector mv, float angle) // key mix factor
425 if(mv_x == 0 && mv_y == 0)
426 return 0; // avoid division by zero
427 angle -= RAD2DEG * atan2(mv_y, mv_x);
428 angle = remainder(angle, 360) / 45;
433 return 1 - fabs(angle);
436 float GeomLerp(float a, float lerp, float b)
452 return a * pow(fabs(b / a), lerp);
455 void CPM_PM_Aircontrol(vector wishdir, float wishspeed)
457 float zspeed, xyspeed, dot, k;
460 // this doesn't play well with analog input
461 if(self.movement_x == 0 || self.movement_y != 0)
462 return; // can't control movement if not moving forward or backward
465 k = 32 * (2 * IsMoveInDirection(self.movement, 0) - 1);
470 k *= bound(0, wishspeed / autocvar_sv_maxairspeed, 1);
472 zspeed = self.velocity_z;
474 xyspeed = vlen(self.velocity); self.velocity = normalize(self.velocity);
476 dot = self.velocity * wishdir;
478 if(dot > 0) // we can't change direction while slowing down
480 k *= pow(dot, autocvar_sv_aircontrol_power)*frametime;
481 xyspeed = max(0, xyspeed - autocvar_sv_aircontrol_penalty * sqrt(max(0, 1 - dot*dot)) * k/32);
482 k *= autocvar_sv_aircontrol;
483 self.velocity = normalize(self.velocity * xyspeed + wishdir * k);
486 self.velocity = self.velocity * xyspeed;
487 self.velocity_z = zspeed;
490 float AdjustAirAccelQW(float accelqw, float factor)
492 return copysign(bound(0.000001, 1 - (1 - fabs(accelqw)) * factor, 1), accelqw);
495 // example config for alternate speed clamping:
496 // sv_airaccel_qw 0.8
497 // sv_airaccel_sideways_friction 0
498 // prvm_globalset server speedclamp_mode 1
500 void PM_Accelerate(vector wishdir, float wishspeed, float wishspeed0, float accel, float accelqw, float stretchfactor, float sidefric, float speedlimit)
508 float vel_xy_current;
509 float vel_xy_backward, vel_xy_forward;
512 if(stretchfactor > 0)
513 speedclamp = stretchfactor;
515 speedclamp = 1; // full clamping, no stretch
517 speedclamp = -1; // no clamping
522 if(autocvar_sv_gameplayfix_q2airaccelerate)
523 wishspeed0 = wishspeed;
525 vel_straight = self.velocity * wishdir;
526 vel_z = self.velocity_z;
527 vel_xy = vec2(self.velocity);
528 vel_perpend = vel_xy - vel_straight * wishdir;
530 step = accel * frametime * wishspeed0;
532 vel_xy_current = vlen(vel_xy);
534 accelqw = AdjustAirAccelQW(accelqw, (speedlimit - bound(wishspeed, vel_xy_current, speedlimit)) / max(1, speedlimit - wishspeed));
535 vel_xy_forward = vel_xy_current + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);
536 vel_xy_backward = vel_xy_current - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);
537 if(vel_xy_backward < 0)
538 vel_xy_backward = 0; // not that it REALLY occurs that this would cause wrong behaviour afterwards
540 vel_straight = vel_straight + bound(0, wishspeed - vel_straight, step) * accelqw + step * (1 - accelqw);
542 if(sidefric < 0 && (vel_perpend*vel_perpend))
543 // negative: only apply so much sideways friction to stay below the speed you could get by "braking"
546 f = max(0, 1 + frametime * wishspeed * sidefric);
547 fminimum = (vel_xy_backward*vel_xy_backward - vel_straight*vel_straight) / (vel_perpend*vel_perpend);
548 // this cannot be > 1
550 vel_perpend = vel_perpend * max(0, f);
553 fminimum = sqrt(fminimum);
554 vel_perpend = vel_perpend * max(fminimum, f);
558 vel_perpend = vel_perpend * max(0, 1 - frametime * wishspeed * sidefric);
560 vel_xy = vel_straight * wishdir + vel_perpend;
564 float vel_xy_preclamp;
565 vel_xy_preclamp = vlen(vel_xy);
566 if(vel_xy_preclamp > 0) // prevent division by zero
568 vel_xy_current += (vel_xy_forward - vel_xy_current) * speedclamp;
569 if(vel_xy_current < vel_xy_preclamp)
570 vel_xy = vel_xy * (vel_xy_current / vel_xy_preclamp);
574 self.velocity = vel_xy + vel_z * '0 0 1';
577 void PM_AirAccelerate(vector wishdir, float wishspeed)
579 vector curvel, wishvel, acceldir, curdir;
580 float addspeed, accelspeed, curspeed, f;
586 curvel = self.velocity;
588 curspeed = vlen(curvel);
590 if(wishspeed > curspeed * 1.01)
592 wishspeed = min(wishspeed, curspeed + autocvar_sv_warsowbunny_airforwardaccel * self.stat_sv_maxspeed * frametime);
596 f = max(0, (autocvar_sv_warsowbunny_topspeed - curspeed) / (autocvar_sv_warsowbunny_topspeed - self.stat_sv_maxspeed));
597 wishspeed = max(curspeed, self.stat_sv_maxspeed) + autocvar_sv_warsowbunny_accel * f * self.stat_sv_maxspeed * frametime;
599 wishvel = wishdir * wishspeed;
600 acceldir = wishvel - curvel;
601 addspeed = vlen(acceldir);
602 acceldir = normalize(acceldir);
604 accelspeed = min(addspeed, autocvar_sv_warsowbunny_turnaccel * self.stat_sv_maxspeed * frametime);
606 if(autocvar_sv_warsowbunny_backtosideratio < 1)
608 curdir = normalize(curvel);
609 dot = acceldir * curdir;
611 acceldir = acceldir - (1 - autocvar_sv_warsowbunny_backtosideratio) * dot * curdir;
614 self.velocity += accelspeed * acceldir;
617 .vector movement_old;
620 .string lastclassname;
622 .float() PlayerPhysplug;
624 string specialcommand = "xwxwxsxsxaxdxaxdx1x ";
625 .float specialcommand_pos;
626 void SpecialCommand()
631 if(!CheatImpulse(99))
632 print("A hollow voice says \"Plugh\".\n");
636 float speedaward_speed;
637 string speedaward_holder;
638 string speedaward_uid;
639 void race_send_speedaward(float msg)
641 // send the best speed of the round
642 WriteByte(msg, SVC_TEMPENTITY);
643 WriteByte(msg, TE_CSQC_RACE);
644 WriteByte(msg, RACE_NET_SPEED_AWARD);
645 WriteInt24_t(msg, floor(speedaward_speed+0.5));
646 WriteString(msg, speedaward_holder);
649 float speedaward_alltimebest;
650 string speedaward_alltimebest_holder;
651 string speedaward_alltimebest_uid;
652 void race_send_speedaward_alltimebest(float msg)
654 // send the best speed
655 WriteByte(msg, SVC_TEMPENTITY);
656 WriteByte(msg, TE_CSQC_RACE);
657 WriteByte(msg, RACE_NET_SPEED_AWARD_BEST);
658 WriteInt24_t(msg, floor(speedaward_alltimebest+0.5));
659 WriteString(msg, speedaward_alltimebest_holder);
662 string GetMapname(void);
663 float speedaward_lastupdate;
664 float speedaward_lastsent;
665 void SV_PlayerPhysics()
667 vector wishvel, wishdir, v;
668 float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, buttons;
671 float not_allowed_to_move;
674 WarpZone_PlayerPhysics_FixVAngle();
679 maxspd_mod *= autocvar_g_keepaway_ballcarrier_highspeed;
681 maxspd_mod *= autocvar_g_movement_highspeed;
683 // fix physics stats for g_movement_highspeed
684 // TODO maybe rather use maxairspeed? needs testing
685 self.stat_sv_airaccel_qw = AdjustAirAccelQW(autocvar_sv_airaccel_qw, maxspd_mod);
686 if(autocvar_sv_airstrafeaccel_qw)
687 self.stat_sv_airstrafeaccel_qw = AdjustAirAccelQW(autocvar_sv_airstrafeaccel_qw, maxspd_mod);
689 self.stat_sv_airstrafeaccel_qw = 0;
690 self.stat_sv_airspeedlimit_nonqw = autocvar_sv_airspeedlimit_nonqw * maxspd_mod;
691 self.stat_sv_maxspeed = autocvar_sv_maxspeed * maxspd_mod; // also slow walking
693 if(self.PlayerPhysplug)
694 if(self.PlayerPhysplug())
697 self.race_movetime_frac += frametime;
698 f = floor(self.race_movetime_frac);
699 self.race_movetime_frac -= f;
700 self.race_movetime_count += f;
701 self.race_movetime = self.race_movetime_frac + self.race_movetime_count;
705 buttons = self.BUTTON_ATCK + 2 * self.BUTTON_JUMP + 4 * self.BUTTON_ATCK2 + 8 * self.BUTTON_ZOOM + 16 * self.BUTTON_CROUCH + 32 * self.BUTTON_HOOK + 64 * self.BUTTON_USE + 128 * (self.movement_x < 0) + 256 * (self.movement_x > 0) + 512 * (self.movement_y < 0) + 1024 * (self.movement_y > 0);
709 else if(buttons == 1)
711 else if(buttons == 2)
713 else if(buttons == 128)
715 else if(buttons == 256)
717 else if(buttons == 512)
719 else if(buttons == 1024)
724 if(c == substring(specialcommand, self.specialcommand_pos, 1))
726 self.specialcommand_pos += 1;
727 if(self.specialcommand_pos >= strlen(specialcommand))
729 self.specialcommand_pos = 0;
734 else if(self.specialcommand_pos && (c != substring(specialcommand, self.specialcommand_pos - 1, 1)))
735 self.specialcommand_pos = 0;
739 if(buttons != self.buttons_old || self.movement != self.movement_old || self.v_angle != self.v_angle_old)
740 self.parm_idlesince = time;
742 buttons_prev = self.buttons_old;
743 self.buttons_old = buttons;
744 self.movement_old = self.movement;
745 self.v_angle_old = self.v_angle;
747 if(time < self.nickspamtime)
748 if(self.nickspamcount >= autocvar_g_nick_flood_penalty_yellow)
750 // slight annoyance for nick change scripts
751 self.movement = -1 * self.movement;
752 self.BUTTON_ATCK = self.BUTTON_JUMP = self.BUTTON_ATCK2 = self.BUTTON_ZOOM = self.BUTTON_CROUCH = self.BUTTON_HOOK = self.BUTTON_USE = 0;
754 if(self.nickspamcount >= autocvar_g_nick_flood_penalty_red) // if you are persistent and the slight annoyance above does not stop you, I'll show you!
756 self.angles_x = random() * 360;
757 self.angles_y = random() * 360;
758 // at least I'm not forcing retardedview by also assigning to angles_z
759 self.fixangle = TRUE;
763 if (self.punchangle != '0 0 0')
765 f = vlen(self.punchangle) - 10 * frametime;
767 self.punchangle = normalize(self.punchangle) * f;
769 self.punchangle = '0 0 0';
772 if (self.punchvector != '0 0 0')
774 f = vlen(self.punchvector) - 30 * frametime;
776 self.punchvector = normalize(self.punchvector) * f;
778 self.punchvector = '0 0 0';
781 if (IS_BOT_CLIENT(self))
783 if(playerdemo_read())
790 if(self.race_penalty)
791 if(time > self.race_penalty)
792 self.race_penalty = 0;
794 not_allowed_to_move = 0;
795 if(self.race_penalty)
796 not_allowed_to_move = 1;
797 if(!autocvar_sv_ready_restart_after_countdown)
798 if(time < game_starttime)
799 not_allowed_to_move = 1;
801 if(not_allowed_to_move)
803 self.velocity = '0 0 0';
804 self.movetype = MOVETYPE_NONE;
805 self.disableclientprediction = 2;
807 else if(self.disableclientprediction == 2)
809 if(self.movetype == MOVETYPE_NONE)
810 self.movetype = MOVETYPE_WALK;
811 self.disableclientprediction = 0;
815 if (self.movetype == MOVETYPE_NONE)
818 // when we get here, disableclientprediction cannot be 2
819 self.disableclientprediction = 0;
820 if(time < self.ladder_time)
821 self.disableclientprediction = 1;
823 if(time < self.spider_slowness)
825 self.stat_sv_maxspeed *= 0.5; // half speed while slow from spider
826 self.stat_sv_airspeedlimit_nonqw *= 0.5;
831 if(autocvar_sv_dodging_frozen && IS_REAL_CLIENT(self))
833 self.movement_x = bound(-5, self.movement_x, 5);
834 self.movement_y = bound(-5, self.movement_y, 5);
835 self.movement_z = bound(-5, self.movement_z, 5);
838 self.movement = '0 0 0';
839 self.disableclientprediction = 1;
841 vector midpoint = ((self.absmin + self.absmax) * 0.5);
842 if(pointcontents(midpoint) == CONTENT_WATER)
844 self.velocity = self.velocity * 0.5;
846 if(pointcontents(midpoint + '0 0 16') == CONTENT_WATER)
847 { self.velocity_z = 200; }
851 MUTATOR_CALLHOOK(PlayerPhysics);
853 if(self.player_blocked)
855 self.movement = '0 0 0';
856 self.disableclientprediction = 1;
863 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");
866 // conveyors: first fix velocity
867 if(self.conveyor.state)
868 self.velocity -= self.conveyor.movedir;
870 if (!IS_PLAYER(self))
872 maxspd_mod = autocvar_sv_spectator_speed_multiplier;
873 if(!self.spectatorspeed)
874 self.spectatorspeed = maxspd_mod;
875 if(self.impulse && self.impulse <= 19 || (self.impulse >= 200 && self.impulse <= 209) || (self.impulse >= 220 && self.impulse <= 229))
877 if(self.lastclassname != "player")
879 if(self.impulse == 10 || self.impulse == 15 || self.impulse == 18 || (self.impulse >= 200 && self.impulse <= 209))
880 self.spectatorspeed = bound(1, self.spectatorspeed + 0.5, 5);
881 else if(self.impulse == 11)
882 self.spectatorspeed = maxspd_mod;
883 else if(self.impulse == 12 || self.impulse == 16 || self.impulse == 19 || (self.impulse >= 220 && self.impulse <= 229))
884 self.spectatorspeed = bound(1, self.spectatorspeed - 0.5, 5);
885 else if(self.impulse >= 1 && self.impulse <= 9)
886 self.spectatorspeed = 1 + 0.5 * (self.impulse - 1);
887 } // otherwise just clear
890 maxspd_mod = self.spectatorspeed;
893 spd = max(self.stat_sv_maxspeed, autocvar_sv_maxairspeed) * maxspd_mod * swampspd_mod;
894 if(self.speed != spd)
898 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));
899 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));
900 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));
901 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));
904 maxspd_mod *= swampspd_mod; // only one common speed modder please!
907 // if dead, behave differently
911 if (!self.fixangle && !g_bugrigs)
914 self.angles_y = self.v_angle_y;
918 if(self.flags & FL_ONGROUND)
919 if(IS_PLAYER(self)) // no fall sounds for observers thank you very much
924 if(self.waterlevel < WATERLEVEL_SWIMMING)
925 if(time >= self.ladder_time)
928 self.nextstep = time + 0.3 + random() * 0.1;
929 trace_dphitq3surfaceflags = 0;
930 tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 1', MOVE_NOMONSTERS, self);
931 if (!(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOSTEPS))
933 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)
934 GlobalSound(globalsound_metalfall, CH_PLAYER, VOICETYPE_PLAYERSOUND);
936 GlobalSound(globalsound_fall, CH_PLAYER, VOICETYPE_PLAYERSOUND);
947 if (self.flags & FL_WATERJUMP )
949 self.velocity_x = self.movedir_x;
950 self.velocity_y = self.movedir_y;
951 if (time > self.teleport_time || self.waterlevel == WATERLEVEL_NONE)
953 self.flags &= ~FL_WATERJUMP;
954 self.teleport_time = 0;
957 else if (g_bugrigs && IS_PLAYER(self))
961 else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY || self.movetype == MOVETYPE_FLY_WORLDONLY)
963 // noclipping or flying
964 self.flags &= ~FL_ONGROUND;
966 self.velocity = self.velocity * (1 - frametime * autocvar_sv_friction);
967 makevectors(self.v_angle);
968 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
969 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
971 wishdir = normalize(wishvel);
972 wishspeed = vlen(wishvel);
973 if (wishspeed > self.stat_sv_maxspeed*maxspd_mod)
974 wishspeed = self.stat_sv_maxspeed*maxspd_mod;
975 if (time >= self.teleport_time)
976 PM_Accelerate(wishdir, wishspeed, wishspeed, autocvar_sv_accelerate*maxspd_mod, 1, 0, 0, 0);
978 else if (self.waterlevel >= WATERLEVEL_SWIMMING)
981 self.flags &= ~FL_ONGROUND;
983 makevectors(self.v_angle);
984 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
985 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
986 if (wishvel == '0 0 0')
987 wishvel = '0 0 -60'; // drift towards bottom
989 wishdir = normalize(wishvel);
990 wishspeed = vlen(wishvel);
991 if (wishspeed > self.stat_sv_maxspeed*maxspd_mod)
992 wishspeed = self.stat_sv_maxspeed*maxspd_mod;
993 wishspeed = wishspeed * 0.7;
996 self.velocity = self.velocity * (1 - frametime * autocvar_sv_friction);
998 // water acceleration
999 PM_Accelerate(wishdir, wishspeed, wishspeed, autocvar_sv_accelerate*maxspd_mod, 1, 0, 0, 0);
1001 else if (time < self.ladder_time)
1003 // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water
1004 self.flags &= ~FL_ONGROUND;
1007 g = autocvar_sv_gravity * frametime;
1010 if(autocvar_sv_gameplayfix_gravityunaffectedbyticrate)
1013 self.velocity_z += g;
1016 self.velocity = self.velocity * (1 - frametime * autocvar_sv_friction);
1017 makevectors(self.v_angle);
1018 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
1019 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
1020 self.velocity_z += g;
1021 if (self.ladder_entity.classname == "func_water")
1024 if (f > self.ladder_entity.speed)
1025 wishvel = wishvel * (self.ladder_entity.speed / f);
1027 self.watertype = self.ladder_entity.skin;
1028 f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;
1029 if ((self.origin_z + self.view_ofs_z) < f)
1030 self.waterlevel = WATERLEVEL_SUBMERGED;
1031 else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)
1032 self.waterlevel = WATERLEVEL_SWIMMING;
1033 else if ((self.origin_z + self.mins_z + 1) < f)
1034 self.waterlevel = WATERLEVEL_WETFEET;
1037 self.waterlevel = WATERLEVEL_NONE;
1038 self.watertype = CONTENT_EMPTY;
1042 wishdir = normalize(wishvel);
1043 wishspeed = vlen(wishvel);
1044 if (wishspeed > self.stat_sv_maxspeed*maxspd_mod)
1045 wishspeed = self.stat_sv_maxspeed*maxspd_mod;
1046 if (time >= self.teleport_time)
1048 // water acceleration
1049 PM_Accelerate(wishdir, wishspeed, wishspeed, autocvar_sv_accelerate*maxspd_mod, 1, 0, 0, 0);
1052 else if (self.items & IT_USING_JETPACK)
1054 //makevectors(self.v_angle_y * '0 1 0');
1055 makevectors(self.v_angle);
1056 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
1057 // add remaining speed as Z component
1058 maxairspd = autocvar_sv_maxairspeed*max(1, maxspd_mod);
1059 // fix speedhacks :P
1060 wishvel = normalize(wishvel) * min(vlen(wishvel) / maxairspd, 1);
1061 // add the unused velocity as up component
1064 // if(self.BUTTON_JUMP)
1065 wishvel_z = sqrt(max(0, 1 - wishvel * wishvel));
1067 // it is now normalized, so...
1068 float a_side, a_up, a_add, a_diff;
1069 a_side = autocvar_g_jetpack_acceleration_side;
1070 a_up = autocvar_g_jetpack_acceleration_up;
1071 a_add = autocvar_g_jetpack_antigravity * autocvar_sv_gravity;
1073 wishvel_x *= a_side;
1074 wishvel_y *= a_side;
1080 //////////////////////////////////////////////////////////////////////////////////////
1081 // finding the maximum over all vectors of above form
1082 // with wishvel having an absolute value of 1
1083 //////////////////////////////////////////////////////////////////////////////////////
1084 // we're finding the maximum over
1085 // f(a_side, a_up, a_add, z) := a_side * (1 - z^2) + (a_add + a_up * z)^2;
1086 // for z in the range from -1 to 1
1087 //////////////////////////////////////////////////////////////////////////////////////
1088 // maximum is EITHER attained at the single extreme point:
1089 a_diff = a_side * a_side - a_up * a_up;
1092 f = a_add * a_up / a_diff; // this is the zero of diff(f(a_side, a_up, a_add, z), z)
1093 if(f > -1 && f < 1) // can it be attained?
1095 best = (a_diff + a_add * a_add) * (a_diff + a_up * a_up) / a_diff;
1096 //print("middle\n");
1099 // OR attained at z = 1:
1100 f = (a_up + a_add) * (a_up + a_add);
1106 // OR attained at z = -1:
1107 f = (a_up - a_add) * (a_up - a_add);
1111 //print("bottom\n");
1114 //////////////////////////////////////////////////////////////////////////////////////
1116 //print("best possible acceleration: ", ftos(best), "\n");
1119 fxy = bound(0, 1 - (self.velocity * normalize(wishvel_x * '1 0 0' + wishvel_y * '0 1 0')) / autocvar_g_jetpack_maxspeed_side, 1);
1120 if(wishvel_z - autocvar_sv_gravity > 0)
1121 fz = bound(0, 1 - self.velocity_z / autocvar_g_jetpack_maxspeed_up, 1);
1123 fz = bound(0, 1 + self.velocity_z / autocvar_g_jetpack_maxspeed_up, 1);
1127 wishvel_z = (wishvel_z - autocvar_sv_gravity) * fz + autocvar_sv_gravity;
1130 fvel = min(1, vlen(wishvel) / best);
1131 if(autocvar_g_jetpack_fuel && !(self.items & IT_UNLIMITED_WEAPON_AMMO))
1132 f = min(1, self.ammo_fuel / (autocvar_g_jetpack_fuel * frametime * fvel));
1136 //print("this acceleration: ", ftos(vlen(wishvel) * f), "\n");
1138 if (f > 0 && wishvel != '0 0 0')
1140 self.velocity = self.velocity + wishvel * f * frametime;
1141 if (!(self.items & IT_UNLIMITED_WEAPON_AMMO))
1142 self.ammo_fuel -= autocvar_g_jetpack_fuel * frametime * fvel * f;
1143 self.flags &= ~FL_ONGROUND;
1144 self.items |= IT_USING_JETPACK;
1146 // jetpack also inhibits health regeneration, but only for 1 second
1147 self.pauseregen_finished = max(self.pauseregen_finished, time + autocvar_g_balance_pause_fuel_regen);
1150 else if (self.flags & FL_ONGROUND)
1152 // we get here if we ran out of ammo
1153 if((self.items & IT_JETPACK) && self.BUTTON_HOOK && !(buttons_prev & 32) && self.ammo_fuel < 0.01)
1154 Send_Notification(NOTIF_ONE, self, MSG_INFO, INFO_JETPACK_NOFUEL);
1157 makevectors(self.v_angle_y * '0 1 0');
1158 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
1160 if(!(self.lastflags & FL_ONGROUND))
1162 if(autocvar_speedmeter)
1163 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));
1164 if(self.lastground < time - 0.3)
1165 self.velocity = self.velocity * (1 - autocvar_sv_friction_on_land);
1166 if(self.jumppadcount > 1)
1167 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));
1168 self.jumppadcount = 0;
1176 if (f < autocvar_sv_stopspeed)
1177 f = 1 - frametime * (autocvar_sv_stopspeed / f) * autocvar_sv_friction;
1179 f = 1 - frametime * autocvar_sv_friction;
1181 self.velocity = self.velocity * f;
1183 self.velocity = '0 0 0';
1185 Mathematical analysis time!
1187 Our goal is to invert this mess.
1189 For the two cases we get:
1190 v = v0 * (1 - frametime * (autocvar_sv_stopspeed / v0) * autocvar_sv_friction)
1191 = v0 - frametime * autocvar_sv_stopspeed * autocvar_sv_friction
1192 v0 = v + frametime * autocvar_sv_stopspeed * autocvar_sv_friction
1194 v = v0 * (1 - frametime * autocvar_sv_friction)
1195 v0 = v / (1 - frametime * autocvar_sv_friction)
1197 These cases would be chosen ONLY if:
1198 v0 < autocvar_sv_stopspeed
1199 v + frametime * autocvar_sv_stopspeed * autocvar_sv_friction < autocvar_sv_stopspeed
1200 v < autocvar_sv_stopspeed * (1 - frametime * autocvar_sv_friction)
1202 v0 >= autocvar_sv_stopspeed
1203 v / (1 - frametime * autocvar_sv_friction) >= autocvar_sv_stopspeed
1204 v >= autocvar_sv_stopspeed * (1 - frametime * autocvar_sv_friction)
1209 wishdir = normalize(wishvel);
1210 wishspeed = vlen(wishvel);
1211 if (wishspeed > self.stat_sv_maxspeed*maxspd_mod)
1212 wishspeed = self.stat_sv_maxspeed*maxspd_mod;
1214 wishspeed = wishspeed * 0.5;
1215 if (time >= self.teleport_time)
1216 PM_Accelerate(wishdir, wishspeed, wishspeed, autocvar_sv_accelerate*maxspd_mod, 1, 0, 0, 0);
1221 // we get here if we ran out of ammo
1222 if((self.items & IT_JETPACK) && self.BUTTON_HOOK && !(buttons_prev & 32) && self.ammo_fuel < 0.01)
1223 Send_Notification(NOTIF_ONE, self, MSG_INFO, INFO_JETPACK_NOFUEL);
1227 maxairspd = autocvar_sv_maxairspeed*maxspd_mod;
1228 airaccel = autocvar_sv_airaccelerate*maxspd_mod;
1232 maxairspd = autocvar_sv_maxairspeed;
1233 airaccel = autocvar_sv_airaccelerate;
1236 makevectors(self.v_angle_y * '0 1 0');
1237 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
1239 wishdir = normalize(wishvel);
1240 wishspeed = wishspeed0 = vlen(wishvel);
1241 if (wishspeed0 > self.stat_sv_maxspeed*maxspd_mod)
1242 wishspeed0 = self.stat_sv_maxspeed*maxspd_mod;
1243 if (wishspeed > maxairspd)
1244 wishspeed = maxairspd;
1246 wishspeed = wishspeed * 0.5;
1247 if (time >= self.teleport_time)
1254 airaccelqw = self.stat_sv_airaccel_qw;
1255 accelerating = (self.velocity * wishdir > 0);
1256 wishspeed2 = wishspeed;
1259 if(autocvar_sv_airstopaccelerate)
1262 curdir = self.velocity;
1264 curdir = normalize(curdir);
1265 airaccel = airaccel + (autocvar_sv_airstopaccelerate*maxspd_mod - airaccel) * max(0, -(curdir * wishdir));
1267 // note that for straight forward jumping:
1268 // step = accel * frametime * wishspeed0;
1269 // accel = bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);
1271 // dv/dt = accel * maxspeed (when slow)
1272 // dv/dt = accel * maxspeed * (1 - accelqw) (when fast)
1273 // log dv/dt = logaccel + logmaxspeed (when slow)
1274 // log dv/dt = logaccel + logmaxspeed + log(1 - accelqw) (when fast)
1275 strafity = IsMoveInDirection(self.movement, -90) + IsMoveInDirection(self.movement, +90); // if one is nonzero, other is always zero
1276 if(autocvar_sv_maxairstrafespeed)
1277 wishspeed = min(wishspeed, GeomLerp(autocvar_sv_maxairspeed*maxspd_mod, strafity, autocvar_sv_maxairstrafespeed*maxspd_mod));
1278 if(autocvar_sv_airstrafeaccelerate)
1279 airaccel = GeomLerp(airaccel, strafity, autocvar_sv_airstrafeaccelerate*maxspd_mod);
1280 if(self.stat_sv_airstrafeaccel_qw)
1281 airaccelqw = copysign(1-GeomLerp(1-fabs(self.stat_sv_airaccel_qw), strafity, 1-fabs(self.stat_sv_airstrafeaccel_qw)), ((strafity > 0.5) ? self.stat_sv_airstrafeaccel_qw : self.stat_sv_airaccel_qw));
1284 if(autocvar_sv_warsowbunny_turnaccel && accelerating && self.movement_y == 0 && self.movement_x != 0)
1285 PM_AirAccelerate(wishdir, wishspeed);
1287 PM_Accelerate(wishdir, wishspeed, wishspeed0, airaccel, airaccelqw, autocvar_sv_airaccel_qw_stretchfactor, autocvar_sv_airaccel_sideways_friction / maxairspd, self.stat_sv_airspeedlimit_nonqw);
1289 if(autocvar_sv_aircontrol)
1290 CPM_PM_Aircontrol(wishdir, wishspeed2);
1294 if((g_cts || g_race) && !IS_OBSERVER(self))
1296 if(vlen(self.velocity - self.velocity_z * '0 0 1') > speedaward_speed)
1298 speedaward_speed = vlen(self.velocity - self.velocity_z * '0 0 1');
1299 speedaward_holder = self.netname;
1300 speedaward_uid = self.crypto_idfp;
1301 speedaward_lastupdate = time;
1303 if(speedaward_speed > speedaward_lastsent && time - speedaward_lastupdate > 1)
1305 string rr = (g_cts) ? CTS_RECORD : RACE_RECORD;
1306 race_send_speedaward(MSG_ALL);
1307 speedaward_lastsent = speedaward_speed;
1308 if (speedaward_speed > speedaward_alltimebest && speedaward_uid != "")
1310 speedaward_alltimebest = speedaward_speed;
1311 speedaward_alltimebest_holder = speedaward_holder;
1312 speedaward_alltimebest_uid = speedaward_uid;
1313 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/speed"), ftos(speedaward_alltimebest));
1314 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/crypto_idfp"), speedaward_alltimebest_uid);
1315 race_send_speedaward_alltimebest(MSG_ALL);
1322 xyspeed = vlen('1 0 0' * self.velocity_x + '0 1 0' * self.velocity_y);
1323 if(self.weapon == WEP_VORTEX && WEP_CVAR(vortex, charge) && WEP_CVAR(vortex, charge_velocity_rate) && xyspeed > WEP_CVAR(vortex, charge_minspeed))
1325 // add a maximum of charge_velocity_rate when going fast (f = 1), gradually increasing from minspeed (f = 0) to maxspeed
1326 xyspeed = min(xyspeed, WEP_CVAR(vortex, charge_maxspeed));
1327 f = (xyspeed - WEP_CVAR(vortex, charge_minspeed)) / (WEP_CVAR(vortex, charge_maxspeed) - WEP_CVAR(vortex, charge_minspeed));
1328 // add the extra charge
1329 self.vortex_charge = min(1, self.vortex_charge + WEP_CVAR(vortex, charge_velocity_rate) * f * frametime);
1332 if(self.flags & FL_ONGROUND)
1333 self.lastground = time;
1335 // conveyors: then break velocity again
1336 if(self.conveyor.state)
1337 self.velocity += self.conveyor.movedir;
1339 self.lastflags = self.flags;
1340 self.lastclassname = self.classname;