qcsrc/server/cl_physics.qc

   1 .float race_penalty;
   2 .float restart_jump;
   3
   4 float sv_accelerate;
   5 float sv_friction;
   6 float sv_maxspeed;
   7 float sv_airaccelerate;
   8 float sv_maxairspeed;
   9 float sv_stopspeed;
  10 float sv_gravity;
  11 float sv_airaccel_sideways_friction;
  12 float sv_airaccel_qw;
  13 float sv_airstopaccelerate;
  14 float sv_airstrafeaccelerate;
  15 float sv_maxairstrafespeed;
  16 float sv_airstrafeaccel_qw;
  17 float sv_aircontrol;
  18 float sv_aircontrol_power;
  19 float sv_aircontrol_penalty;
  20 float sv_warsowbunny_airforwardaccel;
  21 float sv_warsowbunny_accel;
  22 float sv_warsowbunny_topspeed;
  23 float sv_warsowbunny_turnaccel;
  24 float sv_warsowbunny_backtosideratio;
  25 float sv_airspeedlimit_nonqw;
  26
  27 .float ladder_time;
  28 .entity ladder_entity;
  29 .float gravity;
  30 .float swamp_slowdown;
  31 .float lastflags;
  32 .float lastground;
  33 .float wasFlying;
  34 .float spectatorspeed;
  35
  36 /*
  37 =============
  38 PlayerJump
  39
  40 When you press the jump key
  41 =============
  42 */
  43 void PlayerJump (void)
  44 {
  45         float mjumpheight;
  46         float doublejump;
  47
  48         doublejump = FALSE;
  49         if (sv_doublejump)
  50         {
  51                 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);
  52                 if (trace_fraction < 1 && trace_plane_normal_z > 0.7)
  53                         doublejump = TRUE;
  54         }
  55
  56         mjumpheight = cvar("sv_jumpvelocity");
  57         if (self.waterlevel >= WATERLEVEL_SWIMMING)
  58         {
  59                 if (self.watertype == CONTENT_WATER)
  60                         self.velocity_z = 200;
  61                 else if (self.watertype == CONTENT_SLIME)
  62                         self.velocity_z = 80;
  63                 else
  64                         self.velocity_z = 50;
  65
  66                 return;
  67         }
  68
  69         if (!doublejump)
  70         if (!(self.flags & FL_ONGROUND))
  71                 return;
  72
  73         if(!sv_pogostick)
  74                 if (!(self.flags & FL_JUMPRELEASED))
  75                         return;
  76
  77         if(self.health <= g_bloodloss)
  78                 return;
  79
  80         if(g_runematch)
  81         {
  82                 if(self.runes & RUNE_SPEED)
  83                 {
  84                         if(self.runes & CURSE_SLOW)
  85                                 mjumpheight = mjumpheight * cvar("g_balance_rune_speed_combo_jumpheight");
  86                         else
  87                                 mjumpheight = mjumpheight * cvar("g_balance_rune_speed_jumpheight");
  88                 }
  89                 else if(self.runes & CURSE_SLOW)
  90                 {
  91                         mjumpheight = mjumpheight * cvar("g_balance_curse_slow_jumpheight");
  92                 }
  93         }
  94
  95         if(g_minstagib && (self.items & IT_INVINCIBLE))
  96         {
  97                 mjumpheight = mjumpheight * cvar("g_minstagib_speed_jumpheight");
  98         }
  99
 100         // sv_jumpspeedcap_min/sv_jumpspeedcap_max act as baseline
 101         // velocity bounds.  Final velocity is bound between (jumpheight *
 102         // min + jumpheight) and (jumpheight * max + jumpheight);
 103
 104         if(cvar_string("sv_jumpspeedcap_min") != "")
 105         {
 106                 float minjumpspeed;
 107
 108                 minjumpspeed = mjumpheight * cvar("sv_jumpspeedcap_min");
 109
 110                 if (self.velocity_z < minjumpspeed)
 111                         mjumpheight += minjumpspeed - self.velocity_z;
 112         }
 113
 114         if(cvar_string("sv_jumpspeedcap_max") != "")
 115         {
 116                 // don't do jump speedcaps on ramps to preserve old xonotic ramjump style
 117                 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);
 118
 119                 if(!(trace_fraction < 1 && trace_plane_normal_z < 0.98 && cvar("sv_jumpspeedcap_max_disable_on_ramps")))
 120                 {
 121                         float maxjumpspeed;
 122
 123                         maxjumpspeed = mjumpheight * cvar("sv_jumpspeedcap_max");
 124
 125                         if (self.velocity_z > maxjumpspeed)
 126                                 mjumpheight -= self.velocity_z - maxjumpspeed;
 127                 }
 128         }
 129
 130         if(!(self.lastflags & FL_ONGROUND))
 131         {
 132                 if(cvar("speedmeter"))
 133                         dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));
 134                 if(self.lastground < time - 0.3)
 135                 {
 136                         self.velocity_x *= (1 - cvar("sv_friction_on_land"));
 137                         self.velocity_y *= (1 - cvar("sv_friction_on_land"));
 138                 }
 139                 if(self.jumppadcount > 1)
 140                         dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));
 141                 self.jumppadcount = 0;
 142         }
 143
 144         self.velocity_z = self.velocity_z + mjumpheight;
 145         self.oldvelocity_z = self.velocity_z;
 146
 147         self.flags &~= FL_ONGROUND;
 148         self.flags &~= FL_JUMPRELEASED;
 149
 150         if (self.crouch)
 151                 setanim(self, self.anim_duckjump, FALSE, TRUE, TRUE);
 152         else
 153                 setanim(self, self.anim_jump, FALSE, TRUE, TRUE);
 154
 155         if(g_jump_grunt)
 156                 PlayerSound(playersound_jump, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);
 157
 158         self.restart_jump = -1; // restart jump anim next time
 159         // value -1 is used to not use the teleport bit (workaround for tiny hitch when re-jumping)
 160 }
 161
 162 void CheckWaterJump()
 163 {
 164         local vector start, end;
 165
 166 // check for a jump-out-of-water
 167         makevectors (self.angles);
 168         start = self.origin;
 169         start_z = start_z + 8;
 170         v_forward_z = 0;
 171         normalize(v_forward);
 172         end = start + v_forward*24;
 173         traceline (start, end, TRUE, self);
 174         if (trace_fraction < 1)
 175         {       // solid at waist
 176                 start_z = start_z + self.maxs_z - 8;
 177                 end = start + v_forward*24;
 178                 self.movedir = trace_plane_normal * -50;
 179                 traceline (start, end, TRUE, self);
 180                 if (trace_fraction == 1)
 181                 {       // open at eye level
 182                         self.flags |= FL_WATERJUMP;
 183                         self.velocity_z = 225;
 184                         self.flags &~= FL_JUMPRELEASED;
 185                         self.teleport_time = time + 2;  // safety net
 186                         return;
 187                 }
 188         }
 189 };
 190
 191 float racecar_angle(float forward, float down)
 192 {
 193         float ret, angle_mult;
 194
 195         if(forward < 0)
 196         {
 197                 forward = -forward;
 198                 down = -down;
 199         }
 200
 201         ret = vectoyaw('0 1 0' * down + '1 0 0' * forward);
 202
 203         angle_mult = forward / (800 + forward);
 204
 205         if(ret > 180)
 206                 return ret * angle_mult + 360 * (1 - angle_mult);
 207         else
 208                 return ret * angle_mult;
 209 }
 210
 211 void RaceCarPhysics()
 212 {
 213         // using this move type for "big rigs"
 214         // the engine does not push the entity!
 215
 216         float accel, steer, f;
 217         vector angles_save, rigvel;
 218
 219         angles_save = self.angles;
 220         accel = bound(-1, self.movement_x / sv_maxspeed, 1);
 221         steer = bound(-1, self.movement_y / sv_maxspeed, 1);
 222
 223         if(g_bugrigs_reverse_speeding)
 224         {
 225                 if(accel < 0)
 226                 {
 227                         // back accel is DIGITAL
 228                         // to prevent speedhack
 229                         if(accel < -0.5)
 230                                 accel = -1;
 231                         else
 232                                 accel = 0;
 233                 }
 234         }
 235
 236         self.angles_x = 0;
 237         self.angles_z = 0;
 238         makevectors(self.angles); // new forward direction!
 239
 240         if(self.flags & FL_ONGROUND || g_bugrigs_air_steering)
 241         {
 242                 float myspeed, upspeed, steerfactor, accelfactor;
 243
 244                 myspeed = self.velocity * v_forward;
 245                 upspeed = self.velocity * v_up;
 246
 247                 // responsiveness factor for steering and acceleration
 248                 f = 1 / (1 + pow(max(-myspeed, myspeed) / g_bugrigs_speed_ref, g_bugrigs_speed_pow));
 249                 //MAXIMA: f(v) := 1 / (1 + (v / g_bugrigs_speed_ref) ^ g_bugrigs_speed_pow);
 250
 251                 if(myspeed < 0 && g_bugrigs_reverse_spinning)
 252                         steerfactor = -myspeed * g_bugrigs_steer;
 253                 else
 254                         steerfactor = -myspeed * f * g_bugrigs_steer;
 255
 256                 if(myspeed < 0 && g_bugrigs_reverse_speeding)
 257                         accelfactor = g_bugrigs_accel;
 258                 else
 259                         accelfactor = f * g_bugrigs_accel;
 260                 //MAXIMA: accel(v) := f(v) * g_bugrigs_accel;
 261
 262                 if(accel < 0)
 263                 {
 264                         if(myspeed > 0)
 265                         {
 266                                 myspeed = max(0, myspeed - frametime * (g_bugrigs_friction_floor - g_bugrigs_friction_brake * accel));
 267                         }
 268                         else
 269                         {
 270                                 if(!g_bugrigs_reverse_speeding)
 271                                         myspeed = min(0, myspeed + frametime * g_bugrigs_friction_floor);
 272                         }
 273                 }
 274                 else
 275                 {
 276                         if(myspeed >= 0)
 277                         {
 278                                 myspeed = max(0, myspeed - frametime * g_bugrigs_friction_floor);
 279                         }
 280                         else
 281                         {
 282                                 if(g_bugrigs_reverse_stopping)
 283                                         myspeed = 0;
 284                                 else
 285                                         myspeed = min(0, myspeed + frametime * (g_bugrigs_friction_floor + g_bugrigs_friction_brake * accel));
 286                         }
 287                 }
 288                 // terminal velocity = velocity at which 50 == accelfactor, that is, 1549 units/sec
 289                 //MAXIMA: friction(v) := g_bugrigs_friction_floor;
 290
 291                 self.angles_y += steer * frametime * steerfactor; // apply steering
 292                 makevectors(self.angles); // new forward direction!
 293
 294                 myspeed += accel * accelfactor * frametime;
 295
 296                 rigvel = myspeed * v_forward + '0 0 1' * upspeed;
 297         }
 298         else
 299         {
 300                 myspeed = vlen(self.velocity);
 301
 302                 // responsiveness factor for steering and acceleration
 303                 f = 1 / (1 + pow(max(0, myspeed / g_bugrigs_speed_ref), g_bugrigs_speed_pow));
 304                 steerfactor = -myspeed * f;
 305                 self.angles_y += steer * frametime * steerfactor; // apply steering
 306
 307                 rigvel = self.velocity;
 308                 makevectors(self.angles); // new forward direction!
 309         }
 310
 311         rigvel = rigvel * max(0, 1 - vlen(rigvel) * g_bugrigs_friction_air * frametime);
 312         //MAXIMA: airfriction(v) := v * v * g_bugrigs_friction_air;
 313         //MAXIMA: total_acceleration(v) := accel(v) - friction(v) - airfriction(v);
 314         //MAXIMA: solve(total_acceleration(v) = 0, v);
 315
 316         if(g_bugrigs_planar_movement)
 317         {
 318                 vector rigvel_xy, neworigin, up;
 319                 float mt;
 320
 321                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better
 322                 rigvel_xy = rigvel;
 323                 rigvel_xy_z = 0;
 324
 325                 if(g_bugrigs_planar_movement_car_jumping && !g_touchexplode) // touchexplode is a better way to handle collisions
 326                         mt = MOVE_NORMAL;
 327                 else
 328                         mt = MOVE_NOMONSTERS;
 329
 330                 tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 1024', mt, self);
 331                 up = trace_endpos - self.origin;
 332
 333                 // BUG RIGS: align the move to the surface instead of doing collision testing
 334                 // can we move?
 335                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos + rigvel_xy * frametime, mt, self);
 336
 337                 // align to surface
 338                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos - up + '0 0 1' * rigvel_z * frametime, mt, self);
 339
 340                 if(trace_fraction < 0.5)
 341                 {
 342                         trace_fraction = 1;
 343                         neworigin = self.origin;
 344                 }
 345                 else
 346                         neworigin = trace_endpos;
 347
 348                 if(trace_fraction < 1)
 349                 {
 350                         // now set angles_x so that the car points parallel to the surface
 351                         self.angles = vectoangles(
 352                                         '1 0 0' * v_forward_x * trace_plane_normal_z
 353                                         +
 354                                         '0 1 0' * v_forward_y * trace_plane_normal_z
 355                                         +
 356                                         '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y)
 357                                         );
 358                         self.flags |= FL_ONGROUND;
 359                 }
 360                 else
 361                 {
 362                         // now set angles_x so that the car points forward, but is tilted in velocity direction
 363                         self.flags &~= FL_ONGROUND;
 364                 }
 365
 366                 self.velocity = (neworigin - self.origin) * (1.0 / frametime);
 367                 self.movetype = MOVETYPE_NOCLIP;
 368         }
 369         else
 370         {
 371                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better
 372                 self.velocity = rigvel;
 373                 self.movetype = MOVETYPE_FLY;
 374         }
 375
 376         trace_fraction = 1;
 377         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 4', MOVE_NORMAL, self);
 378         if(trace_fraction != 1)
 379         {
 380                 self.angles = vectoangles2(
 381                                 '1 0 0' * v_forward_x * trace_plane_normal_z
 382                                 +
 383                                 '0 1 0' * v_forward_y * trace_plane_normal_z
 384                                 +
 385                                 '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y),
 386                                 trace_plane_normal
 387                                 );
 388         }
 389         else
 390         {
 391                 vector vel_local;
 392
 393                 vel_local_x = v_forward * self.velocity;
 394                 vel_local_y = v_right * self.velocity;
 395                 vel_local_z = v_up * self.velocity;
 396
 397                 self.angles_x = racecar_angle(vel_local_x, vel_local_z);
 398                 self.angles_z = racecar_angle(-vel_local_y, vel_local_z);
 399         }
 400
 401         // smooth the angles
 402         vector vf1, vu1, smoothangles;
 403         makevectors(self.angles);
 404         f = bound(0, frametime * g_bugrigs_angle_smoothing, 1);
 405         if(f == 0)
 406                 f = 1;
 407         vf1 = v_forward * f;
 408         vu1 = v_up * f;
 409         makevectors(angles_save);
 410         vf1 = vf1 + v_forward * (1 - f);
 411         vu1 = vu1 + v_up * (1 - f);
 412         smoothangles = vectoangles2(vf1, vu1);
 413         self.angles_x = -smoothangles_x;
 414         self.angles_z =  smoothangles_z;
 415 }
 416
 417 float IsMoveInDirection(vector mv, float angle) // key mix factor
 418 {
 419         if(mv_x == 0 && mv_y == 0)
 420                 return 0; // avoid division by zero
 421         angle -= RAD2DEG * atan2(mv_y, mv_x);
 422         angle = remainder(angle, 360) / 45;
 423         if(angle >  1)
 424                 return 0;
 425         if(angle < -1)
 426                 return 0;
 427         return 1 - fabs(angle);
 428 }
 429
 430 float GeomLerp(float a, float lerp, float b)
 431 {
 432         if(a == 0)
 433         {
 434                 if(lerp < 1)
 435                         return 0;
 436                 else
 437                         return b;
 438         }
 439         if(b == 0)
 440         {
 441                 if(lerp > 0)
 442                         return 0;
 443                 else
 444                         return a;
 445         }
 446         return a * pow(fabs(b / a), lerp);
 447 }
 448
 449 void CPM_PM_Aircontrol(vector wishdir, float wishspeed)
 450 {
 451         float zspeed, xyspeed, dot, k;
 452
 453 #if 0
 454         // this doesn't play well with analog input
 455         if(self.movement_x == 0 || self.movement_y != 0)
 456                 return; // can't control movement if not moving forward or backward
 457         k = 32;
 458 #else
 459         k = 32 * (2 * IsMoveInDirection(self.movement, 0) - 1);
 460         if(k <= 0)
 461                 return;
 462 #endif
 463
 464         k *= bound(0, wishspeed / sv_maxairspeed, 1);
 465
 466         zspeed = self.velocity_z;
 467         self.velocity_z = 0;
 468         xyspeed = vlen(self.velocity); self.velocity = normalize(self.velocity);
 469
 470         dot = self.velocity * wishdir;
 471
 472         if(dot > 0) // we can't change direction while slowing down
 473         {
 474                 k *= pow(dot, sv_aircontrol_power)*frametime;
 475                 xyspeed = max(0, xyspeed - sv_aircontrol_penalty * sqrt(max(0, 1 - dot*dot)) * k/32);
 476                 k *= sv_aircontrol;
 477                 self.velocity = normalize(self.velocity * xyspeed + wishdir * k);
 478         }
 479
 480         self.velocity = self.velocity * xyspeed;
 481         self.velocity_z = zspeed;
 482 }
 483
 484 float AdjustAirAccelQW(float accelqw, float factor)
 485 {
 486         return copysign(bound(0.000001, 1 - (1 - fabs(accelqw)) * factor, 1), accelqw);
 487 }
 488
 489 // example config for alternate speed clamping:
 490 //   sv_airaccel_qw 0.8
 491 //   sv_airaccel_sideways_friction 0
 492 //   prvm_globalset server speedclamp_mode 1
 493 //     (or 2)
 494 void PM_Accelerate(vector wishdir, float wishspeed, float wishspeed0, float accel, float accelqw, float sidefric, float speedlimit)
 495 {
 496         float vel_straight;
 497         float vel_z;
 498         vector vel_perpend;
 499         float step;
 500
 501         vector vel_xy;
 502         float vel_xy_current;
 503         float vel_xy_backward, vel_xy_forward;
 504         float speedclamp;
 505
 506         speedclamp = (accelqw < 0);
 507         if(speedclamp)
 508                 accelqw = -accelqw;
 509
 510         if(cvar("sv_gameplayfix_q2airaccelerate"))
 511                 wishspeed0 = wishspeed;
 512
 513         vel_straight = self.velocity * wishdir;
 514         vel_z = self.velocity_z;
 515         vel_xy = self.velocity - vel_z * '0 0 1';
 516         vel_perpend = vel_xy - vel_straight * wishdir;
 517
 518         step = accel * frametime * wishspeed0;
 519
 520         vel_xy_current  = vlen(vel_xy);
 521         if(speedlimit)
 522                 accelqw = AdjustAirAccelQW(accelqw, (speedlimit - bound(wishspeed, vel_xy_current, speedlimit)) / max(1, speedlimit - wishspeed));
 523         vel_xy_forward  = vel_xy_current + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);
 524         vel_xy_backward = vel_xy_current - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);
 525         if(vel_xy_backward < 0)
 526                 vel_xy_backward = 0; // not that it REALLY occurs that this would cause wrong behaviour afterwards
 527
 528         vel_straight = vel_straight + bound(0, wishspeed - vel_straight, step) * accelqw + step * (1 - accelqw);
 529
 530         if(sidefric < 0 && (vel_perpend*vel_perpend))
 531                 // negative: only apply so much sideways friction to stay below the speed you could get by "braking"
 532         {
 533                 float f, fminimum;
 534                 f = max(0, 1 + frametime * wishspeed * sidefric);
 535                 fminimum = (vel_xy_backward*vel_xy_backward - vel_straight*vel_straight) / (vel_perpend*vel_perpend);
 536                 // this cannot be > 1
 537                 if(fminimum <= 0)
 538                         vel_perpend = vel_perpend * max(0, f);
 539                 else
 540                 {
 541                         fminimum = sqrt(fminimum);
 542                         vel_perpend = vel_perpend * max(fminimum, f);
 543                 }
 544         }
 545         else
 546                 vel_perpend = vel_perpend * max(0, 1 - frametime * wishspeed * sidefric);
 547
 548         vel_xy = vel_straight * wishdir + vel_perpend;
 549
 550         if(speedclamp)
 551         {
 552                 // ensure we don't get too fast or decelerate faster than we should
 553                 vel_xy_current = min(vlen(vel_xy), vel_xy_forward);
 554                 if(vel_xy_current > 0) // prevent division by zero
 555                         vel_xy = normalize(vel_xy) * vel_xy_current;
 556         }
 557
 558         self.velocity = vel_xy + vel_z * '0 0 1';
 559 }
 560
 561 void PM_AirAccelerate(vector wishdir, float wishspeed)
 562 {
 563         vector curvel, wishvel, acceldir, curdir;
 564         float addspeed, accelspeed, curspeed, f;
 565         float dot;
 566
 567         if(wishspeed == 0)
 568                 return;
 569
 570         curvel = self.velocity;
 571         curvel_z = 0;
 572         curspeed = vlen(curvel);
 573
 574         if(wishspeed > curspeed * 1.01)
 575         {
 576                 wishspeed = min(wishspeed, curspeed + sv_warsowbunny_airforwardaccel * sv_maxspeed * frametime);
 577         }
 578         else
 579         {
 580                 f = max(0, (sv_warsowbunny_topspeed - curspeed) / (sv_warsowbunny_topspeed - sv_maxspeed));
 581                 wishspeed = max(curspeed, sv_maxspeed) + sv_warsowbunny_accel * f * sv_maxspeed * frametime;
 582         }
 583         wishvel = wishdir * wishspeed;
 584         acceldir = wishvel - curvel;
 585         addspeed = vlen(acceldir);
 586         acceldir = normalize(acceldir);
 587
 588         accelspeed = min(addspeed, sv_warsowbunny_turnaccel * sv_maxspeed * frametime);
 589
 590         if(sv_warsowbunny_backtosideratio < 1)
 591         {
 592                 curdir = normalize(curvel);
 593                 dot = acceldir * curdir;
 594                 if(dot < 0)
 595                         acceldir = acceldir - (1 - sv_warsowbunny_backtosideratio) * dot * curdir;
 596         }
 597
 598         self.velocity += accelspeed * acceldir;
 599 }
 600
 601 .vector movement_old;
 602 .float buttons_old;
 603 .vector v_angle_old;
 604 .string lastclassname;
 605
 606 .float() PlayerPhysplug;
 607
 608 string specialcommand = "xwxwxsxsxaxdxaxdx1x ";
 609 .float specialcommand_pos;
 610 void SpecialCommand()
 611 {
 612 #ifdef TETRIS
 613         TetrisImpulse();
 614 #else
 615         if(!CheatImpulse(99))
 616                 print("A hollow voice says \"Plugh\".\n");
 617 #endif
 618 }
 619
 620 float speedaward_speed;
 621 string speedaward_holder;
 622 void race_send_speedaward(float msg)
 623 {
 624         // send the best speed of the round
 625         WriteByte(msg, SVC_TEMPENTITY);
 626         WriteByte(msg, TE_CSQC_RACE);
 627         WriteByte(msg, RACE_NET_SPEED_AWARD);
 628         WriteInt24_t(msg, floor(speedaward_speed+0.5));
 629         WriteString(msg, speedaward_holder);
 630 }
 631
 632 float speedaward_alltimebest;
 633 string speedaward_alltimebest_holder;
 634 void race_send_speedaward_alltimebest(float msg)
 635 {
 636         // send the best speed
 637         WriteByte(msg, SVC_TEMPENTITY);
 638         WriteByte(msg, TE_CSQC_RACE);
 639         WriteByte(msg, RACE_NET_SPEED_AWARD_BEST);
 640         WriteInt24_t(msg, floor(speedaward_alltimebest+0.5));
 641         WriteString(msg, speedaward_alltimebest_holder);
 642 }
 643
 644 string GetMapname(void);
 645 float speedaward_lastupdate;
 646 float speedaward_lastsent;
 647 void SV_PlayerPhysics()
 648 {
 649         local vector wishvel, wishdir, v;
 650         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, buttons;
 651         string temps;
 652         float buttons_prev;
 653         float not_allowed_to_move;
 654         string c;
 655
 656         // fix physics stats for g_movement_highspeed
 657         self.stat_sv_airaccel_qw = AdjustAirAccelQW(sv_airaccel_qw, autocvar_g_movement_highspeed);
 658         if(sv_airstrafeaccel_qw)
 659                 self.stat_sv_airstrafeaccel_qw = AdjustAirAccelQW(sv_airstrafeaccel_qw, autocvar_g_movement_highspeed);
 660         else
 661                 self.stat_sv_airstrafeaccel_qw = 0;
 662         self.stat_sv_airspeedlimit_nonqw = sv_airspeedlimit_nonqw * autocvar_g_movement_highspeed;
 663
 664     if(self.PlayerPhysplug)
 665         if(self.PlayerPhysplug())
 666             return;
 667
 668         self.race_movetime_frac += frametime;
 669         f = floor(self.race_movetime_frac);
 670         self.race_movetime_frac -= f;
 671         self.race_movetime_count += f;
 672         self.race_movetime = self.race_movetime_frac + self.race_movetime_count;
 673
 674         anticheat_physics();
 675
 676         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);
 677
 678         if(!buttons)
 679                 c = "x";
 680         else if(buttons == 1)
 681                 c = "1";
 682         else if(buttons == 2)
 683                 c = " ";
 684         else if(buttons == 128)
 685                 c = "s";
 686         else if(buttons == 256)
 687                 c = "w";
 688         else if(buttons == 512)
 689                 c = "a";
 690         else if(buttons == 1024)
 691                 c = "d";
 692         else
 693                 c = "?";
 694
 695         if(c == substring(specialcommand, self.specialcommand_pos, 1))
 696         {
 697                 self.specialcommand_pos += 1;
 698                 if(self.specialcommand_pos >= strlen(specialcommand))
 699                 {
 700                         self.specialcommand_pos = 0;
 701                         SpecialCommand();
 702                         return;
 703                 }
 704         }
 705         else if(self.specialcommand_pos && (c != substring(specialcommand, self.specialcommand_pos - 1, 1)))
 706                 self.specialcommand_pos = 0;
 707
 708         if(!sv_maxidle_spectatorsareidle || self.movetype == MOVETYPE_WALK)
 709         {
 710                 if(buttons != self.buttons_old || self.movement != self.movement_old || self.v_angle != self.v_angle_old)
 711                         self.parm_idlesince = time;
 712         }
 713         buttons_prev = self.buttons_old;
 714         self.buttons_old = buttons;
 715         self.movement_old = self.movement;
 716         self.v_angle_old = self.v_angle;
 717
 718         if(time < self.nickspamtime)
 719         if(self.nickspamcount >= cvar("g_nick_flood_penalty_yellow"))
 720         {
 721                 // slight annoyance for nick change scripts
 722                 self.movement = -1 * self.movement;
 723                 self.BUTTON_ATCK = self.BUTTON_JUMP = self.BUTTON_ATCK2 = self.BUTTON_ZOOM = self.BUTTON_CROUCH = self.BUTTON_HOOK = self.BUTTON_USE = 0;
 724
 725                 if(self.nickspamcount >= cvar("g_nick_flood_penalty_red")) // if you are persistent and the slight annoyance above does not stop you, I'll show you!
 726                 {
 727                         self.angles_x = random() * 360;
 728                         self.angles_y = random() * 360;
 729                         // at least I'm not forcing retardedview by also assigning to angles_z
 730                         self.fixangle = 1;
 731                 }
 732         }
 733
 734         if (self.punchangle != '0 0 0')
 735         {
 736                 f = vlen(self.punchangle) - 10 * frametime;
 737                 if (f > 0)
 738                         self.punchangle = normalize(self.punchangle) * f;
 739                 else
 740                         self.punchangle = '0 0 0';
 741         }
 742
 743         if (self.punchvector != '0 0 0')
 744         {
 745                 f = vlen(self.punchvector) - 30 * frametime;
 746                 if (f > 0)
 747                         self.punchvector = normalize(self.punchvector) * f;
 748                 else
 749                         self.punchvector = '0 0 0';
 750         }
 751
 752         if (clienttype(self) == CLIENTTYPE_BOT)
 753         {
 754                 if(playerdemo_read())
 755                         return;
 756                 bot_think();
 757         }
 758
 759         MUTATOR_CALLHOOK(PlayerPhysics);
 760
 761         self.items &~= IT_USING_JETPACK;
 762
 763         if(self.classname == "player")
 764         {
 765                 if(self.race_penalty)
 766                         if(time > self.race_penalty)
 767                                 self.race_penalty = 0;
 768
 769                 not_allowed_to_move = 0;
 770                 if(self.race_penalty)
 771                         not_allowed_to_move = 1;
 772                 if(!cvar("sv_ready_restart_after_countdown"))
 773                 if(time < game_starttime)
 774                         not_allowed_to_move = 1;
 775
 776                 if(not_allowed_to_move)
 777                 {
 778                         self.velocity = '0 0 0';
 779                         self.movetype = MOVETYPE_NONE;
 780                         self.disableclientprediction = 2;
 781                 }
 782                 else if(self.disableclientprediction == 2)
 783                 {
 784                         if(self.movetype == MOVETYPE_NONE)
 785                                 self.movetype = MOVETYPE_WALK;
 786                         self.disableclientprediction = 0;
 787                 }
 788         }
 789
 790         if (self.movetype == MOVETYPE_NONE)
 791                 return;
 792
 793         maxspd_mod = 1;
 794
 795         if(g_runematch)
 796         {
 797                 if(self.runes & RUNE_SPEED)
 798                 {
 799                         if(self.runes & CURSE_SLOW)
 800                                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_combo_moverate");
 801                         else
 802                                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_moverate");
 803                 }
 804                 else if(self.runes & CURSE_SLOW)
 805                 {
 806                         maxspd_mod = maxspd_mod * cvar("g_balance_curse_slow_moverate");
 807                 }
 808         }
 809
 810         if(g_minstagib && (self.items & IT_INVINCIBLE))
 811         {
 812                 maxspd_mod = cvar("g_minstagib_speed_moverate");
 813         }
 814
 815         if(g_nexball && self.ballcarried)
 816         {
 817                 maxspd_mod = cvar("g_nexball_basketball_carrier_speed");
 818         }
 819
 820         swampspd_mod = 1;
 821         if(self.in_swamp) {
 822                 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");
 823         }
 824
 825         if(self.classname != "player")
 826         {
 827                 maxspd_mod = cvar("sv_spectator_speed_multiplier");
 828                 if(!self.spectatorspeed)
 829                         self.spectatorspeed = maxspd_mod;
 830                 if(self.impulse && self.impulse <= 19)
 831                 {
 832                         if(self.lastclassname != "player")
 833                         {
 834                                 if(self.impulse == 10 || self.impulse == 15 || self.impulse == 18)
 835                                         self.spectatorspeed = bound(1, self.spectatorspeed + 0.5, 5);
 836                                 else if(self.impulse == 11)
 837                                         self.spectatorspeed = maxspd_mod;
 838                                 else if(self.impulse == 12 || self.impulse == 16  || self.impulse == 19)
 839                                         self.spectatorspeed = bound(1, self.spectatorspeed - 0.5, 5);
 840                                 else if(self.impulse >= 1 && self.impulse <= 9)
 841                                         self.spectatorspeed = 1 + 0.5 * (self.impulse - 1);
 842                         } // otherwise just clear
 843                         self.impulse = 0;
 844                 }
 845                 maxspd_mod = self.spectatorspeed;
 846         }
 847
 848         spd = max(sv_maxspeed, sv_maxairspeed) * maxspd_mod * swampspd_mod;
 849         if(self.speed != spd)
 850         {
 851                 self.speed = spd;
 852                 temps = ftos(spd);
 853                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));
 854                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));
 855                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));
 856                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));
 857         }
 858
 859         maxspd_mod *= swampspd_mod; // only one common speed modder please!
 860         swampspd_mod = 1;
 861
 862         // if dead, behave differently
 863         if (self.deadflag)
 864                 goto end;
 865
 866         if (!self.fixangle && !g_bugrigs)
 867         {
 868                 self.angles_x = 0;
 869                 self.angles_y = self.v_angle_y;
 870                 self.angles_z = 0;
 871         }
 872
 873         if(self.flags & FL_ONGROUND)
 874         if(self.wasFlying)
 875         {
 876                 self.wasFlying = 0;
 877
 878                 if(self.waterlevel < WATERLEVEL_SWIMMING)
 879                 if(time >= self.ladder_time)
 880                 if not(self.hook)
 881                 {
 882                         self.nextstep = time + 0.3 + random() * 0.1;
 883                         trace_dphitq3surfaceflags = 0;
 884                         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 1', MOVE_NOMONSTERS, self);
 885                         if not(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOSTEPS)
 886                         {
 887                                 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)
 888                                         GlobalSound(globalsound_metalfall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);
 889                                 else
 890                                         GlobalSound(globalsound_fall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);
 891                         }
 892                 }
 893         }
 894
 895         if(IsFlying(self))
 896                 self.wasFlying = 1;
 897
 898         if(self.classname == "player")
 899         {
 900                 if (self.BUTTON_JUMP)
 901                         PlayerJump ();
 902                 else
 903                         self.flags |= FL_JUMPRELEASED;
 904
 905                 if (self.waterlevel == WATERLEVEL_SWIMMING)
 906                         CheckWaterJump ();
 907         }
 908
 909         if (self.flags & FL_WATERJUMP )
 910         {
 911                 self.velocity_x = self.movedir_x;
 912                 self.velocity_y = self.movedir_y;
 913                 if (time > self.teleport_time || self.waterlevel == WATERLEVEL_NONE)
 914                 {
 915                         self.flags &~= FL_WATERJUMP;
 916                         self.teleport_time = 0;
 917                 }
 918         }
 919         else if (g_bugrigs && self.classname == "player")
 920         {
 921                 RaceCarPhysics();
 922         }
 923         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY)
 924         {
 925                 // noclipping or flying
 926                 self.flags &~= FL_ONGROUND;
 927
 928                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 929                 makevectors(self.v_angle);
 930                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 931                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 932                 // acceleration
 933                 wishdir = normalize(wishvel);
 934                 wishspeed = vlen(wishvel);
 935                 if (wishspeed > sv_maxspeed*maxspd_mod)
 936                         wishspeed = sv_maxspeed*maxspd_mod;
 937                 if (time >= self.teleport_time)
 938                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0, 0);
 939         }
 940         else if (self.waterlevel >= WATERLEVEL_SWIMMING)
 941         {
 942                 // swimming
 943                 self.flags &~= FL_ONGROUND;
 944
 945                 makevectors(self.v_angle);
 946                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 947                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 948                 if (wishvel == '0 0 0')
 949                         wishvel = '0 0 -60'; // drift towards bottom
 950
 951                 wishdir = normalize(wishvel);
 952                 wishspeed = vlen(wishvel);
 953                 if (wishspeed > sv_maxspeed*maxspd_mod)
 954                         wishspeed = sv_maxspeed*maxspd_mod;
 955                 wishspeed = wishspeed * 0.7;
 956
 957                 // water friction
 958                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 959
 960                 // water acceleration
 961                 PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0, 0);
 962         }
 963         else if (time < self.ladder_time)
 964         {
 965                 // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water
 966                 self.flags &~= FL_ONGROUND;
 967
 968                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 969                 makevectors(self.v_angle);
 970                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 971                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 972                 if (self.gravity)
 973                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;
 974                 else
 975                         self.velocity_z = self.velocity_z + sv_gravity * frametime;
 976                 if (self.ladder_entity.classname == "func_water")
 977                 {
 978                         f = vlen(wishvel);
 979                         if (f > self.ladder_entity.speed)
 980                                 wishvel = wishvel * (self.ladder_entity.speed / f);
 981
 982                         self.watertype = self.ladder_entity.skin;
 983                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;
 984                         if ((self.origin_z + self.view_ofs_z) < f)
 985                                 self.waterlevel = WATERLEVEL_SUBMERGED;
 986                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)
 987                                 self.waterlevel = WATERLEVEL_SWIMMING;
 988                         else if ((self.origin_z + self.mins_z + 1) < f)
 989                                 self.waterlevel = WATERLEVEL_WETFEET;
 990                         else
 991                         {
 992                                 self.waterlevel = WATERLEVEL_NONE;
 993                                 self.watertype = CONTENT_EMPTY;
 994                         }
 995                 }
 996                 // acceleration
 997                 wishdir = normalize(wishvel);
 998                 wishspeed = vlen(wishvel);
 999                 if (wishspeed > sv_maxspeed*maxspd_mod)
1000                         wishspeed = sv_maxspeed*maxspd_mod;
1001                 if (time >= self.teleport_time)
1002                 {
1003                         // water acceleration
1004                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0, 0);
1005                 }
1006         }
1007         else if ((self.items & IT_JETPACK) && self.BUTTON_HOOK && (!cvar("g_jetpack_fuel") || self.ammo_fuel >= 0.01 || self.items & IT_UNLIMITED_WEAPON_AMMO))
1008         {
1009                 //makevectors(self.v_angle_y * '0 1 0');
1010                 makevectors(self.v_angle);
1011                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
1012                 // add remaining speed as Z component
1013                 maxairspd = sv_maxairspeed*max(1, maxspd_mod);
1014                 // fix speedhacks :P
1015                 wishvel = normalize(wishvel) * min(vlen(wishvel) / maxairspd, 1);
1016                 // add the unused velocity as up component
1017                 wishvel_z = 0;
1018
1019                 // if(self.BUTTON_JUMP)
1020                         wishvel_z = sqrt(max(0, 1 - wishvel * wishvel));
1021
1022                 // it is now normalized, so...
1023                 float a_side, a_up, a_add, a_diff;
1024                 a_side = cvar("g_jetpack_acceleration_side");
1025                 a_up = cvar("g_jetpack_acceleration_up");
1026                 a_add = cvar("g_jetpack_antigravity") * sv_gravity;
1027
1028                 wishvel_x *= a_side;
1029                 wishvel_y *= a_side;
1030                 wishvel_z *= a_up;
1031                 wishvel_z += a_add;
1032
1033                 float best;
1034                 best = 0;
1035                 //////////////////////////////////////////////////////////////////////////////////////
1036                 // finding the maximum over all vectors of above form
1037                 // with wishvel having an absolute value of 1
1038                 //////////////////////////////////////////////////////////////////////////////////////
1039                 // we're finding the maximum over
1040                 //   f(a_side, a_up, a_add, z) := a_side * (1 - z^2) + (a_add + a_up * z)^2;
1041                 // for z in the range from -1 to 1
1042                 //////////////////////////////////////////////////////////////////////////////////////
1043                 // maximum is EITHER attained at the single extreme point:
1044                 a_diff = a_side * a_side - a_up * a_up;
1045                 if(a_diff != 0)
1046                 {
1047                         f = a_add * a_up / a_diff; // this is the zero of diff(f(a_side, a_up, a_add, z), z)
1048                         if(f > -1 && f < 1) // can it be attained?
1049                         {
1050                                 best = (a_diff + a_add * a_add) * (a_diff + a_up * a_up) / a_diff;
1051                                 //print("middle\n");
1052                         }
1053                 }
1054                 // OR attained at z = 1:
1055                 f = (a_up + a_add) * (a_up + a_add);
1056                 if(f > best)
1057                 {
1058                         best = f;
1059                         //print("top\n");
1060                 }
1061                 // OR attained at z = -1:
1062                 f = (a_up - a_add) * (a_up - a_add);
1063                 if(f > best)
1064                 {
1065                         best = f;
1066                         //print("bottom\n");
1067                 }
1068                 best = sqrt(best);
1069                 //////////////////////////////////////////////////////////////////////////////////////
1070
1071                 //print("best possible acceleration: ", ftos(best), "\n");
1072
1073                 float fxy, fz;
1074                 fxy = bound(0, 1 - (self.velocity * normalize(wishvel_x * '1 0 0' + wishvel_y * '0 1 0')) / cvar("g_jetpack_maxspeed_side"), 1);
1075                 if(wishvel_z - sv_gravity > 0)
1076                         fz = bound(0, 1 - self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);
1077                 else
1078                         fz = bound(0, 1 + self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);
1079
1080                 float fvel;
1081                 fvel = vlen(wishvel);
1082                 wishvel_x *= fxy;
1083                 wishvel_y *= fxy;
1084                 wishvel_z = (wishvel_z - sv_gravity) * fz + sv_gravity;
1085
1086                 fvel = min(1, vlen(wishvel) / best);
1087                 if(cvar("g_jetpack_fuel") && !(self.items & IT_UNLIMITED_WEAPON_AMMO))
1088                         f = min(1, self.ammo_fuel / (cvar("g_jetpack_fuel") * frametime * fvel));
1089                 else
1090                         f = 1;
1091
1092                 //print("this acceleration: ", ftos(vlen(wishvel) * f), "\n");
1093
1094                 if (f > 0 && wishvel != '0 0 0')
1095                 {
1096                         self.velocity = self.velocity + wishvel * f * frametime;
1097                         if not(self.items & IT_UNLIMITED_WEAPON_AMMO)
1098                                 self.ammo_fuel -= cvar("g_jetpack_fuel") * frametime * fvel * f;
1099                         self.flags &~= FL_ONGROUND;
1100                         self.items |= IT_USING_JETPACK;
1101
1102                         // jetpack also inhibits health regeneration, but only for 1 second
1103                         self.pauseregen_finished = max(self.pauseregen_finished, time + cvar("g_balance_pause_fuel_regen"));
1104                 }
1105         }
1106         else if (self.flags & FL_ONGROUND)
1107         {
1108                 // we get here if we ran out of ammo
1109                 if((self.items & IT_JETPACK) && self.BUTTON_HOOK && !(buttons_prev & 32))
1110                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");
1111
1112                 // walking
1113                 makevectors(self.v_angle_y * '0 1 0');
1114                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
1115
1116                 if(!(self.lastflags & FL_ONGROUND))
1117                 {
1118                         if(cvar("speedmeter"))
1119                                 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));
1120                         if(self.lastground < time - 0.3)
1121                                 self.velocity = self.velocity * (1 - cvar("sv_friction_on_land"));
1122                         if(self.jumppadcount > 1)
1123                                 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));
1124                         self.jumppadcount = 0;
1125                 }
1126
1127 #ifdef LETS_TEST_FTEQCC
1128                 if(self.velocity_x || self.velocity_y)
1129                 {
1130                         // good
1131                 }
1132                 else
1133                 {
1134                         if(self.velocity_x)
1135                                 checkclient();
1136                         if(self.velocity_y)
1137                                 checkclient();
1138                 }
1139 #endif
1140
1141                 v = self.velocity;
1142                 v_z = 0;
1143                 f = vlen(v);
1144                 if(f > 0)
1145                 {
1146                         if (f < sv_stopspeed)
1147                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;
1148                         else
1149                                 f = 1 - frametime * sv_friction;
1150                         if (f > 0)
1151                                 self.velocity = self.velocity * f;
1152                         else
1153                                 self.velocity = '0 0 0';
1154                 }
1155
1156                 // acceleration
1157                 wishdir = normalize(wishvel);
1158                 wishspeed = vlen(wishvel);
1159                 if (wishspeed > sv_maxspeed*maxspd_mod)
1160                         wishspeed = sv_maxspeed*maxspd_mod;
1161                 if (self.crouch)
1162                         wishspeed = wishspeed * 0.5;
1163                 if (time >= self.teleport_time)
1164                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0, 0);
1165         }
1166         else
1167         {
1168                 float wishspeed0;
1169                 // we get here if we ran out of ammo
1170                 if((self.items & IT_JETPACK) && self.BUTTON_HOOK && !(buttons_prev & 32))
1171                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");
1172
1173                 if(maxspd_mod < 1)
1174                 {
1175                         maxairspd = sv_maxairspeed*maxspd_mod;
1176                         airaccel = sv_airaccelerate*maxspd_mod;
1177                 }
1178                 else
1179                 {
1180                         maxairspd = sv_maxairspeed;
1181                         airaccel = sv_airaccelerate;
1182                 }
1183                 // airborn
1184                 makevectors(self.v_angle_y * '0 1 0');
1185                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
1186                 // acceleration
1187                 wishdir = normalize(wishvel);
1188                 wishspeed = wishspeed0 = vlen(wishvel);
1189                 if (wishspeed0 > sv_maxspeed*maxspd_mod)
1190                         wishspeed0 = sv_maxspeed*maxspd_mod;
1191                 if (wishspeed > maxairspd)
1192                         wishspeed = maxairspd;
1193                 if (self.crouch)
1194                         wishspeed = wishspeed * 0.5;
1195                 if (time >= self.teleport_time)
1196                 {
1197                         float accelerating;
1198                         float wishspeed2;
1199                         float airaccelqw;
1200                         float strafity;
1201
1202                         airaccelqw = self.stat_sv_airaccel_qw;
1203                         accelerating = (self.velocity * wishdir > 0);
1204                         wishspeed2 = wishspeed;
1205
1206                         // CPM
1207                         if(sv_airstopaccelerate)
1208                         {
1209                                 vector curdir;
1210                                 curdir = self.velocity;
1211                                 curdir_z = 0;
1212                                 curdir = normalize(curdir);
1213                                 airaccel = airaccel + (sv_airstopaccelerate*maxspd_mod - airaccel) * max(0, -(curdir * wishdir));
1214                         }
1215                         // note that for straight forward jumping:
1216                         // step = accel * frametime * wishspeed0;
1217                         // accel  = bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);
1218                         // -->
1219                         // dv/dt = accel * maxspeed (when slow)
1220                         // dv/dt = accel * maxspeed * (1 - accelqw) (when fast)
1221                         // log dv/dt = logaccel + logmaxspeed (when slow)
1222                         // log dv/dt = logaccel + logmaxspeed + log(1 - accelqw) (when fast)
1223                         strafity = IsMoveInDirection(self.movement, -90) + IsMoveInDirection(self.movement, +90); // if one is nonzero, other is always zero
1224                         if(sv_maxairstrafespeed)
1225                                 wishspeed = min(wishspeed, GeomLerp(sv_maxairspeed*maxspd_mod, strafity, sv_maxairstrafespeed*maxspd_mod));
1226                         if(sv_airstrafeaccelerate)
1227                                 airaccel = GeomLerp(airaccel, strafity, sv_airstrafeaccelerate*maxspd_mod);
1228                         if(self.stat_sv_airstrafeaccel_qw)
1229                                 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));
1230                         // !CPM
1231
1232                         if(sv_warsowbunny_turnaccel && accelerating && self.movement_y == 0 && self.movement_x != 0)
1233                                 PM_AirAccelerate(wishdir, wishspeed);
1234                         else
1235                                 PM_Accelerate(wishdir, wishspeed, wishspeed0, airaccel, airaccelqw, sv_airaccel_sideways_friction / maxairspd, self.stat_sv_airspeedlimit_nonqw);
1236
1237                         if(sv_aircontrol)
1238                                 CPM_PM_Aircontrol(wishdir, wishspeed2);
1239                 }
1240         }
1241
1242         if((g_cts || g_race) && self.classname != "observer") {
1243                 if(vlen(self.velocity - self.velocity_z * '0 0 1') > speedaward_speed) {
1244                         speedaward_speed = vlen(self.velocity - self.velocity_z * '0 0 1');
1245                         speedaward_holder = self.netname;
1246                         speedaward_lastupdate = time;
1247                 }
1248                 if(speedaward_speed > speedaward_lastsent && time - speedaward_lastupdate > 1) {
1249                         string rr;
1250                         if(g_cts)
1251                                 rr = CTS_RECORD;
1252                         else
1253                                 rr = RACE_RECORD;
1254                         race_send_speedaward(MSG_ALL);
1255                         speedaward_lastsent = speedaward_speed;
1256                         if (speedaward_speed > speedaward_alltimebest) {
1257                                 speedaward_alltimebest = speedaward_speed;
1258                                 speedaward_alltimebest_holder = speedaward_holder;
1259                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/speed"), ftos(speedaward_alltimebest));
1260                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/netname"), speedaward_alltimebest_holder);
1261                                 race_send_speedaward_alltimebest(MSG_ALL);
1262                         }
1263                 }
1264         }
1265 :end
1266         if(self.flags & FL_ONGROUND)
1267                 self.lastground = time;
1268
1269         self.lastflags = self.flags;
1270         self.lastclassname = self.classname;
1271 };