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_warsowbunny_airforwardaccel;
  20 float sv_warsowbunny_accel;
  21 float sv_warsowbunny_topspeed;
  22 float sv_warsowbunny_turnaccel;
  23 float sv_warsowbunny_backtosideratio;
  24
  25 .float ladder_time;
  26 .entity ladder_entity;
  27 .float gravity;
  28 .float swamp_slowdown;
  29 .float lastflags;
  30 .float lastground;
  31 .float wasFlying;
  32 .float spectatorspeed;
  33
  34 /*
  35 =============
  36 PlayerJump
  37
  38 When you press the jump key
  39 =============
  40 */
  41 void PlayerJump (void)
  42 {
  43         float mjumpheight;
  44         float doublejump;
  45
  46         doublejump = FALSE;
  47         if (sv_doublejump)
  48         {
  49                 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);
  50                 if (trace_fraction < 1 && trace_plane_normal_z > 0.7)
  51                         doublejump = TRUE;
  52         }
  53
  54         mjumpheight = cvar("sv_jumpvelocity");
  55         if (self.waterlevel >= WATERLEVEL_SWIMMING)
  56         {
  57                 if (self.watertype == CONTENT_WATER)
  58                         self.velocity_z = 200;
  59                 else if (self.watertype == CONTENT_SLIME)
  60                         self.velocity_z = 80;
  61                 else
  62                         self.velocity_z = 50;
  63
  64                 return;
  65         }
  66
  67         if (!doublejump)
  68         if (!(self.flags & FL_ONGROUND))
  69                 return;
  70
  71         if(!sv_pogostick)
  72                 if (!(self.flags & FL_JUMPRELEASED))
  73                         return;
  74
  75         if(self.health <= g_bloodloss)
  76                 return;
  77
  78         if(g_runematch)
  79         {
  80                 if(self.runes & RUNE_SPEED)
  81                 {
  82                         if(self.runes & CURSE_SLOW)
  83                                 mjumpheight = mjumpheight * cvar("g_balance_rune_speed_combo_jumpheight");
  84                         else
  85                                 mjumpheight = mjumpheight * cvar("g_balance_rune_speed_jumpheight");
  86                 }
  87                 else if(self.runes & CURSE_SLOW)
  88                 {
  89                         mjumpheight = mjumpheight * cvar("g_balance_curse_slow_jumpheight");
  90                 }
  91         }
  92
  93         if(g_minstagib && (self.items & IT_INVINCIBLE))
  94         {
  95                 mjumpheight = mjumpheight * cvar("g_minstagib_speed_jumpheight");
  96         }
  97
  98         if(cvar_string("sv_jumpspeedcap_min") != "")
  99                 self.velocity_z = max(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_min"), self.velocity_z);
 100         if(cvar_string("sv_jumpspeedcap_max") != "") {
 101                 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);
 102                 if(trace_fraction < 1 && trace_plane_normal_z < 0.98 && cvar("sv_jumpspeedcap_max_disable_on_ramps")) {
 103                         // don't do jump speedcaps on ramps to preserve old xonotic ramjump style
 104                         //print("Trace plane normal z: ", ftos(trace_plane_normal_z), ", disabling speed cap!\n");
 105                 }
 106                 else
 107                         self.velocity_z = min(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_max"), self.velocity_z) + trace_ent.velocity_z;
 108         }
 109
 110         if(!(self.lastflags & FL_ONGROUND))
 111         {
 112                 if(cvar("speedmeter"))
 113                         dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));
 114                 if(self.lastground < time - 0.3)
 115                 {
 116                         self.velocity_x *= (1 - cvar("sv_friction_on_land"));
 117                         self.velocity_y *= (1 - cvar("sv_friction_on_land"));
 118                 }
 119                 if(self.jumppadcount > 1)
 120                         dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));
 121                 self.jumppadcount = 0;
 122         }
 123
 124         self.velocity_z = self.velocity_z + mjumpheight;
 125         self.oldvelocity_z = self.velocity_z;
 126
 127         self.flags &~= FL_ONGROUND;
 128         self.flags &~= FL_JUMPRELEASED;
 129
 130         if (self.crouch)
 131                 setanim(self, self.anim_duckjump, FALSE, TRUE, TRUE);
 132         else
 133                 setanim(self, self.anim_jump, FALSE, TRUE, TRUE);
 134
 135         if(g_jump_grunt)
 136                 PlayerSound(playersound_jump, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);
 137
 138         self.restart_jump = -1; // restart jump anim next time
 139         // value -1 is used to not use the teleport bit (workaround for tiny hitch when re-jumping)
 140 }
 141
 142 void CheckWaterJump()
 143 {
 144         local vector start, end;
 145
 146 // check for a jump-out-of-water
 147         makevectors (self.angles);
 148         start = self.origin;
 149         start_z = start_z + 8;
 150         v_forward_z = 0;
 151         normalize(v_forward);
 152         end = start + v_forward*24;
 153         traceline (start, end, TRUE, self);
 154         if (trace_fraction < 1)
 155         {       // solid at waist
 156                 start_z = start_z + self.maxs_z - 8;
 157                 end = start + v_forward*24;
 158                 self.movedir = trace_plane_normal * -50;
 159                 traceline (start, end, TRUE, self);
 160                 if (trace_fraction == 1)
 161                 {       // open at eye level
 162                         self.flags |= FL_WATERJUMP;
 163                         self.velocity_z = 225;
 164                         self.flags &~= FL_JUMPRELEASED;
 165                         self.teleport_time = time + 2;  // safety net
 166                         return;
 167                 }
 168         }
 169 };
 170
 171 float racecar_angle(float forward, float down)
 172 {
 173         float ret, angle_mult;
 174
 175         if(forward < 0)
 176         {
 177                 forward = -forward;
 178                 down = -down;
 179         }
 180
 181         ret = vectoyaw('0 1 0' * down + '1 0 0' * forward);
 182
 183         angle_mult = forward / (800 + forward);
 184
 185         if(ret > 180)
 186                 return ret * angle_mult + 360 * (1 - angle_mult);
 187         else
 188                 return ret * angle_mult;
 189 }
 190
 191 void RaceCarPhysics()
 192 {
 193         // using this move type for "big rigs"
 194         // the engine does not push the entity!
 195
 196         float accel, steer, f;
 197         vector angles_save, rigvel;
 198
 199         angles_save = self.angles;
 200         accel = bound(-1, self.movement_x / sv_maxspeed, 1);
 201         steer = bound(-1, self.movement_y / sv_maxspeed, 1);
 202
 203         if(g_bugrigs_reverse_speeding)
 204         {
 205                 if(accel < 0)
 206                 {
 207                         // back accel is DIGITAL
 208                         // to prevent speedhack
 209                         if(accel < -0.5)
 210                                 accel = -1;
 211                         else
 212                                 accel = 0;
 213                 }
 214         }
 215
 216         self.angles_x = 0;
 217         self.angles_z = 0;
 218         makevectors(self.angles); // new forward direction!
 219
 220         if(self.flags & FL_ONGROUND || g_bugrigs_air_steering)
 221         {
 222                 float myspeed, upspeed, steerfactor, accelfactor;
 223
 224                 myspeed = self.velocity * v_forward;
 225                 upspeed = self.velocity * v_up;
 226
 227                 // responsiveness factor for steering and acceleration
 228                 f = 1 / (1 + pow(max(-myspeed, myspeed) / g_bugrigs_speed_ref, g_bugrigs_speed_pow));
 229                 //MAXIMA: f(v) := 1 / (1 + (v / g_bugrigs_speed_ref) ^ g_bugrigs_speed_pow);
 230
 231                 if(myspeed < 0 && g_bugrigs_reverse_spinning)
 232                         steerfactor = -myspeed * g_bugrigs_steer;
 233                 else
 234                         steerfactor = -myspeed * f * g_bugrigs_steer;
 235
 236                 if(myspeed < 0 && g_bugrigs_reverse_speeding)
 237                         accelfactor = g_bugrigs_accel;
 238                 else
 239                         accelfactor = f * g_bugrigs_accel;
 240                 //MAXIMA: accel(v) := f(v) * g_bugrigs_accel;
 241
 242                 if(accel < 0)
 243                 {
 244                         if(myspeed > 0)
 245                         {
 246                                 myspeed = max(0, myspeed - frametime * (g_bugrigs_friction_floor - g_bugrigs_friction_brake * accel));
 247                         }
 248                         else
 249                         {
 250                                 if(!g_bugrigs_reverse_speeding)
 251                                         myspeed = min(0, myspeed + frametime * g_bugrigs_friction_floor);
 252                         }
 253                 }
 254                 else
 255                 {
 256                         if(myspeed >= 0)
 257                         {
 258                                 myspeed = max(0, myspeed - frametime * g_bugrigs_friction_floor);
 259                         }
 260                         else
 261                         {
 262                                 if(g_bugrigs_reverse_stopping)
 263                                         myspeed = 0;
 264                                 else
 265                                         myspeed = min(0, myspeed + frametime * (g_bugrigs_friction_floor + g_bugrigs_friction_brake * accel));
 266                         }
 267                 }
 268                 // terminal velocity = velocity at which 50 == accelfactor, that is, 1549 units/sec
 269                 //MAXIMA: friction(v) := g_bugrigs_friction_floor;
 270
 271                 self.angles_y += steer * frametime * steerfactor; // apply steering
 272                 makevectors(self.angles); // new forward direction!
 273
 274                 myspeed += accel * accelfactor * frametime;
 275
 276                 rigvel = myspeed * v_forward + '0 0 1' * upspeed;
 277         }
 278         else
 279         {
 280                 myspeed = vlen(self.velocity);
 281
 282                 // responsiveness factor for steering and acceleration
 283                 f = 1 / (1 + pow(max(0, myspeed / g_bugrigs_speed_ref), g_bugrigs_speed_pow));
 284                 steerfactor = -myspeed * f;
 285                 self.angles_y += steer * frametime * steerfactor; // apply steering
 286
 287                 rigvel = self.velocity;
 288                 makevectors(self.angles); // new forward direction!
 289         }
 290
 291         rigvel = rigvel * max(0, 1 - vlen(rigvel) * g_bugrigs_friction_air * frametime);
 292         //MAXIMA: airfriction(v) := v * v * g_bugrigs_friction_air;
 293         //MAXIMA: total_acceleration(v) := accel(v) - friction(v) - airfriction(v);
 294         //MAXIMA: solve(total_acceleration(v) = 0, v);
 295
 296         if(g_bugrigs_planar_movement)
 297         {
 298                 vector rigvel_xy, neworigin, up;
 299                 float mt;
 300
 301                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better
 302                 rigvel_xy = rigvel;
 303                 rigvel_xy_z = 0;
 304
 305                 if(g_bugrigs_planar_movement_car_jumping && !g_touchexplode) // touchexplode is a better way to handle collisions
 306                         mt = MOVE_NORMAL;
 307                 else
 308                         mt = MOVE_NOMONSTERS;
 309
 310                 tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 1024', mt, self);
 311                 up = trace_endpos - self.origin;
 312
 313                 // BUG RIGS: align the move to the surface instead of doing collision testing
 314                 // can we move?
 315                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos + rigvel_xy * frametime, mt, self);
 316
 317                 // align to surface
 318                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos - up + '0 0 1' * rigvel_z * frametime, mt, self);
 319
 320                 if(trace_fraction < 0.5)
 321                 {
 322                         trace_fraction = 1;
 323                         neworigin = self.origin;
 324                 }
 325                 else
 326                         neworigin = trace_endpos;
 327
 328                 if(trace_fraction < 1)
 329                 {
 330                         // now set angles_x so that the car points parallel to the surface
 331                         self.angles = vectoangles(
 332                                         '1 0 0' * v_forward_x * trace_plane_normal_z
 333                                         +
 334                                         '0 1 0' * v_forward_y * trace_plane_normal_z
 335                                         +
 336                                         '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y)
 337                                         );
 338                         self.flags |= FL_ONGROUND;
 339                 }
 340                 else
 341                 {
 342                         // now set angles_x so that the car points forward, but is tilted in velocity direction
 343                         self.flags &~= FL_ONGROUND;
 344                 }
 345
 346                 self.velocity = (neworigin - self.origin) * (1.0 / frametime);
 347                 self.movetype = MOVETYPE_NOCLIP;
 348         }
 349         else
 350         {
 351                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better
 352                 self.velocity = rigvel;
 353                 self.movetype = MOVETYPE_FLY;
 354         }
 355
 356         trace_fraction = 1;
 357         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 4', MOVE_NORMAL, self);
 358         if(trace_fraction != 1)
 359         {
 360                 self.angles = vectoangles2(
 361                                 '1 0 0' * v_forward_x * trace_plane_normal_z
 362                                 +
 363                                 '0 1 0' * v_forward_y * trace_plane_normal_z
 364                                 +
 365                                 '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y),
 366                                 trace_plane_normal
 367                                 );
 368         }
 369         else
 370         {
 371                 vector vel_local;
 372
 373                 vel_local_x = v_forward * self.velocity;
 374                 vel_local_y = v_right * self.velocity;
 375                 vel_local_z = v_up * self.velocity;
 376
 377                 self.angles_x = racecar_angle(vel_local_x, vel_local_z);
 378                 self.angles_z = racecar_angle(-vel_local_y, vel_local_z);
 379         }
 380
 381         // smooth the angles
 382         vector vf1, vu1, smoothangles;
 383         makevectors(self.angles);
 384         f = bound(0, frametime * g_bugrigs_angle_smoothing, 1);
 385         if(f == 0)
 386                 f = 1;
 387         vf1 = v_forward * f;
 388         vu1 = v_up * f;
 389         makevectors(angles_save);
 390         vf1 = vf1 + v_forward * (1 - f);
 391         vu1 = vu1 + v_up * (1 - f);
 392         smoothangles = vectoangles2(vf1, vu1);
 393         self.angles_x = -smoothangles_x;
 394         self.angles_z =  smoothangles_z;
 395 }
 396
 397 float IsMoveInDirection(vector mv, float angle) // key mix factor
 398 {
 399         if(mv_x == 0 && mv_y == 0)
 400                 return 0; // avoid division by zero
 401         angle -= RAD2DEG * atan2(mv_y, mv_x);
 402         angle = remainder(angle, 360) / 45;
 403         if(angle >  1)
 404                 return 0;
 405         if(angle < -1)
 406                 return 0;
 407         return 1 - fabs(angle);
 408 }
 409
 410 float GeomLerp(float a, float lerp, float b)
 411 {
 412         if(a == 0)
 413         {
 414                 if(lerp < 1)
 415                         return 0;
 416                 else
 417                         return b;
 418         }
 419         if(b == 0)
 420         {
 421                 if(lerp > 0)
 422                         return 0;
 423                 else
 424                         return a;
 425         }
 426         return a * pow(fabs(b / a), lerp);
 427 }
 428
 429 void CPM_PM_Aircontrol(vector wishdir, float wishspeed)
 430 {
 431         float zspeed, xyspeed, dot, k;
 432
 433 #if 0
 434         // this doesn't play well with analog input
 435         if(self.movement_x == 0 || self.movement_y != 0)
 436                 return; // can't control movement if not moving forward or backward
 437         k = 32;
 438 #else
 439         k = 32 * (2 * IsMoveInDirection(self.movement, 0) - 1);
 440         if(k <= 0)
 441                 return;
 442 #endif
 443
 444         k *= bound(0, wishspeed / sv_maxairspeed, 1);
 445
 446         zspeed = self.velocity_z;
 447         self.velocity_z = 0;
 448         xyspeed = vlen(self.velocity); self.velocity = normalize(self.velocity);
 449
 450         dot = self.velocity * wishdir;
 451
 452         if(dot > 0) // we can't change direction while slowing down
 453         {
 454                 k *= fabs(sv_aircontrol)*pow(dot, sv_aircontrol_power)*frametime;
 455                 self.velocity = normalize(self.velocity * xyspeed + wishdir * k);
 456         }
 457
 458         self.velocity = self.velocity * xyspeed;
 459         self.velocity_z = zspeed;
 460 }
 461
 462 // example config for alternate speed clamping:
 463 //   sv_airaccel_qw 0.8
 464 //   sv_airaccel_sideways_friction 0
 465 //   prvm_globalset server speedclamp_mode 1
 466 //     (or 2)
 467 void PM_Accelerate(vector wishdir, float wishspeed, float wishspeed0, float accel, float accelqw, float sidefric)
 468 {
 469         float vel_straight;
 470         float vel_z;
 471         vector vel_perpend;
 472         float step;
 473
 474         vector vel_xy;
 475         float vel_xy_current;
 476         float vel_xy_backward, vel_xy_forward;
 477         float speedclamp;
 478
 479         speedclamp = (accelqw < 0);
 480         if(speedclamp)
 481                 accelqw = -accelqw;
 482
 483         if(cvar("sv_gameplayfix_q2airaccelerate"))
 484                 wishspeed0 = wishspeed;
 485
 486         vel_straight = self.velocity * wishdir;
 487         vel_z = self.velocity_z;
 488         vel_xy = self.velocity - vel_z * '0 0 1';
 489         vel_perpend = vel_xy - vel_straight * wishdir;
 490
 491         step = accel * frametime * wishspeed0;
 492
 493         vel_xy_current  = vlen(vel_xy);
 494         vel_xy_forward  = vel_xy_current + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);
 495         vel_xy_backward = vel_xy_current - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);
 496         if(vel_xy_backward < 0)
 497                 vel_xy_backward = 0; // not that it REALLY occurs that this would cause wrong behaviour afterwards
 498
 499         vel_straight = vel_straight + bound(0, wishspeed - vel_straight, step) * accelqw + step * (1 - accelqw);
 500
 501         if(sidefric < 0 && (vel_perpend*vel_perpend))
 502                 // negative: only apply so much sideways friction to stay below the speed you could get by "braking"
 503         {
 504                 float f, fminimum;
 505                 f = max(0, 1 + frametime * wishspeed * sidefric);
 506                 fminimum = (vel_xy_backward*vel_xy_backward - vel_straight*vel_straight) / (vel_perpend*vel_perpend);
 507                 // this cannot be > 1
 508                 if(fminimum <= 0)
 509                         vel_perpend = vel_perpend * max(0, f);
 510                 else
 511                 {
 512                         fminimum = sqrt(fminimum);
 513                         vel_perpend = vel_perpend * max(fminimum, f);
 514                 }
 515         }
 516         else
 517                 vel_perpend = vel_perpend * max(0, 1 - frametime * wishspeed * sidefric);
 518
 519         vel_xy = vel_straight * wishdir + vel_perpend;
 520
 521         if(speedclamp)
 522         {
 523                 // ensure we don't get too fast or decelerate faster than we should
 524                 vel_xy_current = min(vlen(vel_xy), vel_xy_forward);
 525                 if(vel_xy_current > 0) // prevent division by zero
 526                         vel_xy = normalize(vel_xy) * vel_xy_current;
 527         }
 528
 529         self.velocity = vel_xy + vel_z * '0 0 1';
 530 }
 531
 532 void PM_AirAccelerate(vector wishdir, float wishspeed)
 533 {
 534         vector curvel, wishvel, acceldir, curdir;
 535         float addspeed, accelspeed, curspeed, f;
 536         float dot;
 537
 538         if(wishspeed == 0)
 539                 return;
 540
 541         curvel = self.velocity;
 542         curvel_z = 0;
 543         curspeed = vlen(curvel);
 544
 545         if(wishspeed > curspeed * 1.01)
 546         {
 547                 wishspeed = min(wishspeed, curspeed + sv_warsowbunny_airforwardaccel * sv_maxspeed * frametime);
 548         }
 549         else
 550         {
 551                 f = max(0, (sv_warsowbunny_topspeed - curspeed) / (sv_warsowbunny_topspeed - sv_maxspeed));
 552                 wishspeed = max(curspeed, sv_maxspeed) + sv_warsowbunny_accel * f * sv_maxspeed * frametime;
 553         }
 554         wishvel = wishdir * wishspeed;
 555         acceldir = wishvel - curvel;
 556         addspeed = vlen(acceldir);
 557         acceldir = normalize(acceldir);
 558
 559         accelspeed = min(addspeed, sv_warsowbunny_turnaccel * sv_maxspeed * frametime);
 560
 561         if(sv_warsowbunny_backtosideratio < 1)
 562         {
 563                 curdir = normalize(curvel);
 564                 dot = acceldir * curdir;
 565                 if(dot < 0)
 566                         acceldir = acceldir - (1 - sv_warsowbunny_backtosideratio) * dot * curdir;
 567         }
 568
 569         self.velocity += accelspeed * acceldir;
 570 }
 571
 572 .vector movement_old;
 573 .float buttons_old;
 574 .vector v_angle_old;
 575 .string lastclassname;
 576
 577 .float() PlayerPhysplug;
 578
 579 string specialcommand = "xwxwxsxsxaxdxaxdx1x ";
 580 .float specialcommand_pos;
 581 void SpecialCommand()
 582 {
 583 #ifdef TETRIS
 584         TetrisImpulse();
 585 #else
 586         if(!CheatImpulse(99))
 587                 print("A hollow voice says \"Plugh\".\n");
 588 #endif
 589 }
 590
 591 float speedaward_speed;
 592 string speedaward_holder;
 593 void race_send_speedaward(float msg)
 594 {
 595         // send the best speed of the round
 596         WriteByte(msg, SVC_TEMPENTITY);
 597         WriteByte(msg, TE_CSQC_RACE);
 598         WriteByte(msg, RACE_NET_SPEED_AWARD);
 599         WriteInt24_t(msg, floor(speedaward_speed+0.5));
 600         WriteString(msg, speedaward_holder);
 601 }
 602
 603 float speedaward_alltimebest;
 604 string speedaward_alltimebest_holder;
 605 void race_send_speedaward_alltimebest(float msg)
 606 {
 607         // send the best speed
 608         WriteByte(msg, SVC_TEMPENTITY);
 609         WriteByte(msg, TE_CSQC_RACE);
 610         WriteByte(msg, RACE_NET_SPEED_AWARD_BEST);
 611         WriteInt24_t(msg, floor(speedaward_alltimebest+0.5));
 612         WriteString(msg, speedaward_alltimebest_holder);
 613 }
 614
 615 string GetMapname(void);
 616 float speedaward_lastupdate;
 617 float speedaward_lastsent;
 618 var float autocvar_g_movement_highspeed = 1;
 619 void SV_PlayerPhysics()
 620 {
 621         local vector wishvel, wishdir, v;
 622         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, buttons;
 623         string temps;
 624         float buttons_prev;
 625         float not_allowed_to_move;
 626         string c;
 627
 628         // fix physics stats for g_movement_highspeed
 629         self.stat_sv_airaccel_qw = copysign(bound(0, 1-(1-fabs(sv_airaccel_qw))*autocvar_g_movement_highspeed, 1), sv_airaccel_qw);
 630         if(sv_airstrafeaccel_qw)
 631                 self.stat_sv_airstrafeaccel_qw = copysign(bound(0.001, 1-(1-fabs(sv_airstrafeaccel_qw))*autocvar_g_movement_highspeed, 1), sv_airstrafeaccel_qw);
 632         else
 633                 self.stat_sv_airstrafeaccel_qw = 0;
 634
 635     if(self.PlayerPhysplug)
 636         if(self.PlayerPhysplug())
 637             return;
 638
 639         self.race_movetime_frac += frametime;
 640         f = floor(self.race_movetime_frac);
 641         self.race_movetime_frac -= f;
 642         self.race_movetime_count += f;
 643         self.race_movetime = self.race_movetime_frac + self.race_movetime_count;
 644
 645         anticheat_physics();
 646
 647         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);
 648
 649         if(!buttons)
 650                 c = "x";
 651         else if(buttons == 1)
 652                 c = "1";
 653         else if(buttons == 2)
 654                 c = " ";
 655         else if(buttons == 128)
 656                 c = "s";
 657         else if(buttons == 256)
 658                 c = "w";
 659         else if(buttons == 512)
 660                 c = "a";
 661         else if(buttons == 1024)
 662                 c = "d";
 663         else
 664                 c = "?";
 665
 666         if(c == substring(specialcommand, self.specialcommand_pos, 1))
 667         {
 668                 self.specialcommand_pos += 1;
 669                 if(self.specialcommand_pos >= strlen(specialcommand))
 670                 {
 671                         self.specialcommand_pos = 0;
 672                         SpecialCommand();
 673                         return;
 674                 }
 675         }
 676         else if(self.specialcommand_pos && (c != substring(specialcommand, self.specialcommand_pos - 1, 1)))
 677                 self.specialcommand_pos = 0;
 678
 679         if(!sv_maxidle_spectatorsareidle || self.movetype == MOVETYPE_WALK)
 680         {
 681                 if(buttons != self.buttons_old || self.movement != self.movement_old || self.v_angle != self.v_angle_old)
 682                         self.parm_idlesince = time;
 683         }
 684         buttons_prev = self.buttons_old;
 685         self.buttons_old = buttons;
 686         self.movement_old = self.movement;
 687         self.v_angle_old = self.v_angle;
 688
 689         if(time < self.nickspamtime)
 690         if(self.nickspamcount >= cvar("g_nick_flood_penalty_yellow"))
 691         {
 692                 // slight annoyance for nick change scripts
 693                 self.movement = -1 * self.movement;
 694                 self.BUTTON_ATCK = self.BUTTON_JUMP = self.BUTTON_ATCK2 = self.BUTTON_ZOOM = self.BUTTON_CROUCH = self.BUTTON_HOOK = self.BUTTON_USE = 0;
 695
 696                 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!
 697                 {
 698                         self.angles_x = random() * 360;
 699                         self.angles_y = random() * 360;
 700                         // at least I'm not forcing retardedview by also assigning to angles_z
 701                         self.fixangle = 1;
 702                 }
 703         }
 704
 705         if (self.punchangle != '0 0 0')
 706         {
 707                 f = vlen(self.punchangle) - 10 * frametime;
 708                 if (f > 0)
 709                         self.punchangle = normalize(self.punchangle) * f;
 710                 else
 711                         self.punchangle = '0 0 0';
 712         }
 713
 714         if (self.punchvector != '0 0 0')
 715         {
 716                 f = vlen(self.punchvector) - 30 * frametime;
 717                 if (f > 0)
 718                         self.punchvector = normalize(self.punchvector) * f;
 719                 else
 720                         self.punchvector = '0 0 0';
 721         }
 722
 723         if (clienttype(self) == CLIENTTYPE_BOT)
 724         {
 725                 if(playerdemo_read())
 726                         return;
 727                 bot_think();
 728         }
 729
 730         MUTATOR_CALLHOOK(PlayerPhysics);
 731
 732         self.items &~= IT_USING_JETPACK;
 733
 734         if(self.classname == "player")
 735         {
 736                 if(self.race_penalty)
 737                         if(time > self.race_penalty)
 738                                 self.race_penalty = 0;
 739
 740                 not_allowed_to_move = 0;
 741                 if(self.race_penalty)
 742                         not_allowed_to_move = 1;
 743                 if(!cvar("sv_ready_restart_after_countdown"))
 744                 if(time < game_starttime)
 745                         not_allowed_to_move = 1;
 746
 747                 if(not_allowed_to_move)
 748                 {
 749                         self.velocity = '0 0 0';
 750                         self.movetype = MOVETYPE_NONE;
 751                         self.disableclientprediction = 2;
 752                 }
 753                 else if(self.disableclientprediction == 2)
 754                 {
 755                         if(self.movetype == MOVETYPE_NONE)
 756                                 self.movetype = MOVETYPE_WALK;
 757                         self.disableclientprediction = 0;
 758                 }
 759         }
 760
 761         if (self.movetype == MOVETYPE_NONE)
 762                 return;
 763
 764         maxspd_mod = 1;
 765
 766         if(g_runematch)
 767         {
 768                 if(self.runes & RUNE_SPEED)
 769                 {
 770                         if(self.runes & CURSE_SLOW)
 771                                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_combo_moverate");
 772                         else
 773                                 maxspd_mod = maxspd_mod * cvar("g_balance_rune_speed_moverate");
 774                 }
 775                 else if(self.runes & CURSE_SLOW)
 776                 {
 777                         maxspd_mod = maxspd_mod * cvar("g_balance_curse_slow_moverate");
 778                 }
 779         }
 780
 781         if(g_minstagib && (self.items & IT_INVINCIBLE))
 782         {
 783                 maxspd_mod = cvar("g_minstagib_speed_moverate");
 784         }
 785
 786         if(g_nexball && self.ballcarried)
 787         {
 788                 maxspd_mod = cvar("g_nexball_basketball_carrier_speed");
 789         }
 790
 791         swampspd_mod = 1;
 792         if(self.in_swamp) {
 793                 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");
 794         }
 795
 796         if(self.classname != "player")
 797         {
 798                 maxspd_mod = cvar("sv_spectator_speed_multiplier");
 799                 if(!self.spectatorspeed)
 800                         self.spectatorspeed = maxspd_mod;
 801                 if(self.impulse && self.impulse <= 19)
 802                 {
 803                         if(self.lastclassname != "player")
 804                         {
 805                                 if(self.impulse == 10 || self.impulse == 15 || self.impulse == 18)
 806                                         self.spectatorspeed = bound(1, self.spectatorspeed + 0.5, 5);
 807                                 else if(self.impulse == 11)
 808                                         self.spectatorspeed = maxspd_mod;
 809                                 else if(self.impulse == 12 || self.impulse == 16  || self.impulse == 19)
 810                                         self.spectatorspeed = bound(1, self.spectatorspeed - 0.5, 5);
 811                                 else if(self.impulse >= 1 && self.impulse <= 9)
 812                                         self.spectatorspeed = 1 + 0.5 * (self.impulse - 1);
 813                         } // otherwise just clear
 814                         self.impulse = 0;
 815                 }
 816                 maxspd_mod = self.spectatorspeed;
 817         }
 818
 819         spd = max(sv_maxspeed, sv_maxairspeed) * maxspd_mod * swampspd_mod;
 820         if(self.speed != spd)
 821         {
 822                 self.speed = spd;
 823                 temps = ftos(spd);
 824                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));
 825                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));
 826                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));
 827                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));
 828         }
 829
 830         maxspd_mod *= swampspd_mod; // only one common speed modder please!
 831         swampspd_mod = 1;
 832
 833         // if dead, behave differently
 834         if (self.deadflag)
 835                 goto end;
 836
 837         if (!self.fixangle && !g_bugrigs)
 838         {
 839                 self.angles_x = 0;
 840                 self.angles_y = self.v_angle_y;
 841                 self.angles_z = 0;
 842         }
 843
 844         if(self.flags & FL_ONGROUND)
 845         if(self.wasFlying)
 846         {
 847                 self.wasFlying = 0;
 848
 849                 if(self.waterlevel < WATERLEVEL_SWIMMING)
 850                 if(time >= self.ladder_time)
 851                 if not(self.hook)
 852                 {
 853                         self.nextstep = time + 0.3 + random() * 0.1;
 854                         trace_dphitq3surfaceflags = 0;
 855                         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 1', MOVE_NOMONSTERS, self);
 856                         if not(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOSTEPS)
 857                         {
 858                                 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)
 859                                         GlobalSound(globalsound_metalfall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);
 860                                 else
 861                                         GlobalSound(globalsound_fall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);
 862                         }
 863                 }
 864         }
 865
 866         if(IsFlying(self))
 867                 self.wasFlying = 1;
 868
 869         if(self.classname == "player")
 870         {
 871                 if (self.BUTTON_JUMP)
 872                         PlayerJump ();
 873                 else
 874                         self.flags |= FL_JUMPRELEASED;
 875
 876                 if (self.waterlevel == WATERLEVEL_SWIMMING)
 877                         CheckWaterJump ();
 878         }
 879
 880         if (self.flags & FL_WATERJUMP )
 881         {
 882                 self.velocity_x = self.movedir_x;
 883                 self.velocity_y = self.movedir_y;
 884                 if (time > self.teleport_time || self.waterlevel == WATERLEVEL_NONE)
 885                 {
 886                         self.flags &~= FL_WATERJUMP;
 887                         self.teleport_time = 0;
 888                 }
 889         }
 890         else if (g_bugrigs && self.classname == "player")
 891         {
 892                 RaceCarPhysics();
 893         }
 894         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY)
 895         {
 896                 // noclipping or flying
 897                 self.flags &~= FL_ONGROUND;
 898
 899                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 900                 makevectors(self.v_angle);
 901                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 902                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 903                 // acceleration
 904                 wishdir = normalize(wishvel);
 905                 wishspeed = vlen(wishvel);
 906                 if (wishspeed > sv_maxspeed*maxspd_mod)
 907                         wishspeed = sv_maxspeed*maxspd_mod;
 908                 if (time >= self.teleport_time)
 909                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);
 910         }
 911         else if (self.waterlevel >= WATERLEVEL_SWIMMING)
 912         {
 913                 // swimming
 914                 self.flags &~= FL_ONGROUND;
 915
 916                 makevectors(self.v_angle);
 917                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 918                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 919                 if (wishvel == '0 0 0')
 920                         wishvel = '0 0 -60'; // drift towards bottom
 921
 922                 wishdir = normalize(wishvel);
 923                 wishspeed = vlen(wishvel);
 924                 if (wishspeed > sv_maxspeed*maxspd_mod)
 925                         wishspeed = sv_maxspeed*maxspd_mod;
 926                 wishspeed = wishspeed * 0.7;
 927
 928                 // water friction
 929                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 930
 931                 // water acceleration
 932                 PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);
 933         }
 934         else if (time < self.ladder_time)
 935         {
 936                 // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water
 937                 self.flags &~= FL_ONGROUND;
 938
 939                 self.velocity = self.velocity * (1 - frametime * sv_friction);
 940                 makevectors(self.v_angle);
 941                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;
 942                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;
 943                 if (self.gravity)
 944                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;
 945                 else
 946                         self.velocity_z = self.velocity_z + sv_gravity * frametime;
 947                 if (self.ladder_entity.classname == "func_water")
 948                 {
 949                         f = vlen(wishvel);
 950                         if (f > self.ladder_entity.speed)
 951                                 wishvel = wishvel * (self.ladder_entity.speed / f);
 952
 953                         self.watertype = self.ladder_entity.skin;
 954                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;
 955                         if ((self.origin_z + self.view_ofs_z) < f)
 956                                 self.waterlevel = WATERLEVEL_SUBMERGED;
 957                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)
 958                                 self.waterlevel = WATERLEVEL_SWIMMING;
 959                         else if ((self.origin_z + self.mins_z + 1) < f)
 960                                 self.waterlevel = WATERLEVEL_WETFEET;
 961                         else
 962                         {
 963                                 self.waterlevel = WATERLEVEL_NONE;
 964                                 self.watertype = CONTENT_EMPTY;
 965                         }
 966                 }
 967                 // acceleration
 968                 wishdir = normalize(wishvel);
 969                 wishspeed = vlen(wishvel);
 970                 if (wishspeed > sv_maxspeed*maxspd_mod)
 971                         wishspeed = sv_maxspeed*maxspd_mod;
 972                 if (time >= self.teleport_time)
 973                 {
 974                         // water acceleration
 975                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);
 976                 }
 977         }
 978         else if ((self.items & IT_JETPACK) && self.BUTTON_HOOK && (!cvar("g_jetpack_fuel") || self.ammo_fuel >= 0.01 || self.items & IT_UNLIMITED_WEAPON_AMMO))
 979         {
 980                 //makevectors(self.v_angle_y * '0 1 0');
 981                 makevectors(self.v_angle);
 982                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
 983                 // add remaining speed as Z component
 984                 maxairspd = sv_maxairspeed*max(1, maxspd_mod);
 985                 // fix speedhacks :P
 986                 wishvel = normalize(wishvel) * min(vlen(wishvel) / maxairspd, 1);
 987                 // add the unused velocity as up component
 988                 wishvel_z = 0;
 989
 990                 // if(self.BUTTON_JUMP)
 991                         wishvel_z = sqrt(max(0, 1 - wishvel * wishvel));
 992
 993                 // it is now normalized, so...
 994                 float a_side, a_up, a_add, a_diff;
 995                 a_side = cvar("g_jetpack_acceleration_side");
 996                 a_up = cvar("g_jetpack_acceleration_up");
 997                 a_add = cvar("g_jetpack_antigravity") * sv_gravity;
 998
 999                 wishvel_x *= a_side;
1000                 wishvel_y *= a_side;
1001                 wishvel_z *= a_up;
1002                 wishvel_z += a_add;
1003
1004                 float best;
1005                 best = 0;
1006                 //////////////////////////////////////////////////////////////////////////////////////
1007                 // finding the maximum over all vectors of above form
1008                 // with wishvel having an absolute value of 1
1009                 //////////////////////////////////////////////////////////////////////////////////////
1010                 // we're finding the maximum over
1011                 //   f(a_side, a_up, a_add, z) := a_side * (1 - z^2) + (a_add + a_up * z)^2;
1012                 // for z in the range from -1 to 1
1013                 //////////////////////////////////////////////////////////////////////////////////////
1014                 // maximum is EITHER attained at the single extreme point:
1015                 a_diff = a_side * a_side - a_up * a_up;
1016                 if(a_diff != 0)
1017                 {
1018                         f = a_add * a_up / a_diff; // this is the zero of diff(f(a_side, a_up, a_add, z), z)
1019                         if(f > -1 && f < 1) // can it be attained?
1020                         {
1021                                 best = (a_diff + a_add * a_add) * (a_diff + a_up * a_up) / a_diff;
1022                                 //print("middle\n");
1023                         }
1024                 }
1025                 // OR attained at z = 1:
1026                 f = (a_up + a_add) * (a_up + a_add);
1027                 if(f > best)
1028                 {
1029                         best = f;
1030                         //print("top\n");
1031                 }
1032                 // OR attained at z = -1:
1033                 f = (a_up - a_add) * (a_up - a_add);
1034                 if(f > best)
1035                 {
1036                         best = f;
1037                         //print("bottom\n");
1038                 }
1039                 best = sqrt(best);
1040                 //////////////////////////////////////////////////////////////////////////////////////
1041
1042                 //print("best possible acceleration: ", ftos(best), "\n");
1043
1044                 float fxy, fz;
1045                 fxy = bound(0, 1 - (self.velocity * normalize(wishvel_x * '1 0 0' + wishvel_y * '0 1 0')) / cvar("g_jetpack_maxspeed_side"), 1);
1046                 if(wishvel_z - sv_gravity > 0)
1047                         fz = bound(0, 1 - self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);
1048                 else
1049                         fz = bound(0, 1 + self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);
1050
1051                 float fvel;
1052                 fvel = vlen(wishvel);
1053                 wishvel_x *= fxy;
1054                 wishvel_y *= fxy;
1055                 wishvel_z = (wishvel_z - sv_gravity) * fz + sv_gravity;
1056
1057                 fvel = min(1, vlen(wishvel) / best);
1058                 if(cvar("g_jetpack_fuel") && !(self.items & IT_UNLIMITED_WEAPON_AMMO))
1059                         f = min(1, self.ammo_fuel / (cvar("g_jetpack_fuel") * frametime * fvel));
1060                 else
1061                         f = 1;
1062
1063                 //print("this acceleration: ", ftos(vlen(wishvel) * f), "\n");
1064
1065                 if (f > 0 && wishvel != '0 0 0')
1066                 {
1067                         self.velocity = self.velocity + wishvel * f * frametime;
1068                         if not(self.items & IT_UNLIMITED_WEAPON_AMMO)
1069                                 self.ammo_fuel -= cvar("g_jetpack_fuel") * frametime * fvel * f;
1070                         self.flags &~= FL_ONGROUND;
1071                         self.items |= IT_USING_JETPACK;
1072
1073                         // jetpack also inhibits health regeneration, but only for 1 second
1074                         self.pauseregen_finished = max(self.pauseregen_finished, time + cvar("g_balance_pause_fuel_regen"));
1075                 }
1076         }
1077         else if (self.flags & FL_ONGROUND)
1078         {
1079                 // we get here if we ran out of ammo
1080                 if((self.items & IT_JETPACK) && self.BUTTON_HOOK && !(buttons_prev & 32))
1081                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");
1082
1083                 // walking
1084                 makevectors(self.v_angle_y * '0 1 0');
1085                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
1086
1087                 if(!(self.lastflags & FL_ONGROUND))
1088                 {
1089                         if(cvar("speedmeter"))
1090                                 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));
1091                         if(self.lastground < time - 0.3)
1092                                 self.velocity = self.velocity * (1 - cvar("sv_friction_on_land"));
1093                         if(self.jumppadcount > 1)
1094                                 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));
1095                         self.jumppadcount = 0;
1096                 }
1097
1098 #ifdef LETS_TEST_FTEQCC
1099                 if(self.velocity_x || self.velocity_y)
1100                 {
1101                         // good
1102                 }
1103                 else
1104                 {
1105                         if(self.velocity_x)
1106                                 checkclient();
1107                         if(self.velocity_y)
1108                                 checkclient();
1109                 }
1110 #endif
1111
1112                 v = self.velocity;
1113                 v_z = 0;
1114                 f = vlen(v);
1115                 if(f > 0)
1116                 {
1117                         if (f < sv_stopspeed)
1118                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;
1119                         else
1120                                 f = 1 - frametime * sv_friction;
1121                         if (f > 0)
1122                                 self.velocity = self.velocity * f;
1123                         else
1124                                 self.velocity = '0 0 0';
1125                 }
1126
1127                 // acceleration
1128                 wishdir = normalize(wishvel);
1129                 wishspeed = vlen(wishvel);
1130                 if (wishspeed > sv_maxspeed*maxspd_mod)
1131                         wishspeed = sv_maxspeed*maxspd_mod;
1132                 if (self.crouch)
1133                         wishspeed = wishspeed * 0.5;
1134                 if (time >= self.teleport_time)
1135                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);
1136         }
1137         else
1138         {
1139                 float wishspeed0;
1140                 // we get here if we ran out of ammo
1141                 if((self.items & IT_JETPACK) && self.BUTTON_HOOK && !(buttons_prev & 32))
1142                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");
1143
1144                 if(maxspd_mod < 1)
1145                 {
1146                         maxairspd = sv_maxairspeed*maxspd_mod;
1147                         airaccel = sv_airaccelerate*maxspd_mod;
1148                 }
1149                 else
1150                 {
1151                         maxairspd = sv_maxairspeed;
1152                         airaccel = sv_airaccelerate;
1153                 }
1154                 // airborn
1155                 makevectors(self.v_angle_y * '0 1 0');
1156                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;
1157                 // acceleration
1158                 wishdir = normalize(wishvel);
1159                 wishspeed = wishspeed0 = vlen(wishvel);
1160                 if (wishspeed0 > sv_maxspeed*maxspd_mod)
1161                         wishspeed0 = sv_maxspeed*maxspd_mod;
1162                 if (wishspeed > maxairspd)
1163                         wishspeed = maxairspd;
1164                 if (self.crouch)
1165                         wishspeed = wishspeed * 0.5;
1166                 if (time >= self.teleport_time)
1167                 {
1168                         float accelerating;
1169                         float wishspeed2;
1170                         float airaccelqw;
1171                         float strafity;
1172
1173                         airaccelqw = self.stat_sv_airaccel_qw;
1174                         accelerating = (self.velocity * wishdir > 0);
1175                         wishspeed2 = wishspeed;
1176
1177                         // CPM
1178                         if(sv_airstopaccelerate)
1179                                 if(self.velocity * wishdir < 0)
1180                                         airaccel = sv_airstopaccelerate*maxspd_mod;
1181                         // note that for straight forward jumping:
1182                         // step = accel * frametime * wishspeed0;
1183                         // accel  = bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);
1184                         // -->
1185                         // dv/dt = accel * maxspeed (when slow)
1186                         // dv/dt = accel * maxspeed * (1 - accelqw) (when fast)
1187                         // log dv/dt = logaccel + logmaxspeed (when slow)
1188                         // log dv/dt = logaccel + logmaxspeed + log(1 - accelqw) (when fast)
1189                         strafity = IsMoveInDirection(self.movement, -90) + IsMoveInDirection(self.movement, +90); // if one is nonzero, other is always zero
1190                         if(sv_maxairstrafespeed)
1191                                 wishspeed = min(wishspeed, GeomLerp(sv_maxairspeed*maxspd_mod, strafity, sv_maxairstrafespeed*maxspd_mod));
1192                         if(sv_airstrafeaccelerate)
1193                                 airaccel = GeomLerp(airaccel, strafity, sv_airstrafeaccelerate*maxspd_mod);
1194                         if(self.stat_sv_airstrafeaccel_qw)
1195                                 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));
1196                         // !CPM
1197
1198                         if(sv_warsowbunny_turnaccel && accelerating && self.movement_y == 0 && self.movement_x != 0)
1199                                 PM_AirAccelerate(wishdir, wishspeed);
1200                         else
1201                                 PM_Accelerate(wishdir, wishspeed, wishspeed0, airaccel, airaccelqw, sv_airaccel_sideways_friction / maxairspd);
1202
1203                         if(sv_aircontrol)
1204                                 CPM_PM_Aircontrol(wishdir, wishspeed2);
1205                 }
1206         }
1207
1208         if((g_cts || g_race) && self.classname != "observer") {
1209                 if(vlen(self.velocity - self.velocity_z * '0 0 1') > speedaward_speed) {
1210                         speedaward_speed = vlen(self.velocity - self.velocity_z * '0 0 1');
1211                         speedaward_holder = self.netname;
1212                         speedaward_lastupdate = time;
1213                 }
1214                 if(speedaward_speed > speedaward_lastsent && time - speedaward_lastupdate > 1) {
1215                         string rr;
1216                         if(g_cts)
1217                                 rr = CTS_RECORD;
1218                         else
1219                                 rr = RACE_RECORD;
1220                         race_send_speedaward(MSG_ALL);
1221                         speedaward_lastsent = speedaward_speed;
1222                         if (speedaward_speed > speedaward_alltimebest) {
1223                                 speedaward_alltimebest = speedaward_speed;
1224                                 speedaward_alltimebest_holder = speedaward_holder;
1225                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/speed"), ftos(speedaward_alltimebest));
1226                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/netname"), speedaward_alltimebest_holder);
1227                                 race_send_speedaward_alltimebest(MSG_ALL);
1228                         }
1229                 }
1230         }
1231 :end
1232         if(self.flags & FL_ONGROUND)
1233                 self.lastground = time;
1234
1235         self.lastflags = self.flags;
1236         self.lastclassname = self.classname;
1237 };