qcsrc/common/physics.qc

   1 .float race_penalty;
   2 .float restart_jump;
   3
   4 .float gravity;
   5 .float swamp_slowdown;
   6 .float lastflags;
   7 .float lastground;
   8 .float wasFlying;
   9 .float spectatorspeed;
  10
  11 .vector movement_old;
  12 .float buttons_old;
  13 .vector v_angle_old;
  14 .string lastclassname;
  15
  16 .float() PlayerPhysplug;
  17 float AdjustAirAccelQW(float accelqw, float factor);
  18
  19 #ifdef CSQC
  20
  21 .float watertype;
  22
  23 #elif defined(SVQC)
  24 .float stat_sv_airaccel_qw;
  25 .float stat_sv_airstrafeaccel_qw;
  26 .float stat_sv_airspeedlimit_nonqw;
  27 .float stat_sv_maxspeed;
  28 .float stat_movement_highspeed;
  29
  30 .float stat_jetpack_accel_side;
  31 .float stat_jetpack_accel_up;
  32 .float stat_jetpack_antigravity;
  33 .float stat_jetpack_fuel;
  34 .float stat_jetpack_maxspeed_up;
  35 .float stat_jetpack_maxspeed_side;
  36
  37 void Physics_AddStats()
  38 {
  39         // g_movementspeed hack
  40         addstat(STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW, AS_FLOAT, stat_sv_airspeedlimit_nonqw);
  41         addstat(STAT_MOVEVARS_MAXSPEED, AS_FLOAT, stat_sv_maxspeed);
  42         addstat(STAT_MOVEVARS_AIRACCEL_QW, AS_FLOAT, stat_sv_airaccel_qw);
  43         addstat(STAT_MOVEVARS_AIRSTRAFEACCEL_QW, AS_FLOAT, stat_sv_airstrafeaccel_qw);
  44         addstat(STAT_MOVEVARS_HIGHSPEED, AS_FLOAT, stat_movement_highspeed);
  45
  46         // jet pack
  47         addstat(STAT_JETPACK_ACCEL_SIDE, AS_FLOAT, stat_jetpack_accel_side);
  48         addstat(STAT_JETPACK_ACCEL_UP, AS_FLOAT, stat_jetpack_accel_up);
  49         addstat(STAT_JETPACK_ANTIGRAVITY, AS_FLOAT, stat_jetpack_antigravity);
  50         addstat(STAT_JETPACK_FUEL, AS_FLOAT, stat_jetpack_fuel);
  51         addstat(STAT_JETPACK_MAXSPEED_UP, AS_FLOAT, stat_jetpack_maxspeed_up);
  52         addstat(STAT_JETPACK_MAXSPEED_SIDE, AS_FLOAT, stat_jetpack_maxspeed_side);
  53
  54         // hack to fix track_canjump
  55         addstat(STAT_MOVEVARS_TRACK_CANJUMP, AS_INT, cvar_cl_movement_track_canjump);
  56 }
  57
  58 void Physics_UpdateStats(float maxspd_mod)
  59 {
  60         self.stat_sv_airaccel_qw = AdjustAirAccelQW(autocvar_sv_airaccel_qw, maxspd_mod);
  61         if (autocvar_sv_airstrafeaccel_qw)
  62                 self.stat_sv_airstrafeaccel_qw = AdjustAirAccelQW(autocvar_sv_airstrafeaccel_qw, maxspd_mod);
  63         else
  64                 self.stat_sv_airstrafeaccel_qw = 0;
  65         self.stat_sv_airspeedlimit_nonqw = autocvar_sv_airspeedlimit_nonqw * maxspd_mod;
  66         self.stat_sv_maxspeed = autocvar_sv_maxspeed * maxspd_mod; // also slow walking
  67         self.stat_movement_highspeed = PHYS_HIGHSPEED; // TODO: remove this!
  68
  69         self.stat_jetpack_antigravity = PHYS_JETPACK_ANTIGRAVITY;
  70         self.stat_jetpack_accel_up = PHYS_JETPACK_ACCEL_UP;
  71         self.stat_jetpack_accel_side = PHYS_JETPACK_ACCEL_SIDE;
  72         self.stat_jetpack_maxspeed_side = PHYS_JETPACK_MAXSPEED_SIDE;
  73         self.stat_jetpack_maxspeed_up = PHYS_JETPACK_MAXSPEED_UP;
  74         self.stat_jetpack_fuel = PHYS_JETPACK_FUEL;
  75 }
  76 #endif
  77
  78 float IsMoveInDirection(vector mv, float angle) // key mix factor
  79 {
  80         if (mv_x == 0 && mv_y == 0)
  81                 return 0; // avoid division by zero
  82         angle -= RAD2DEG * atan2(mv_y, mv_x);
  83         angle = remainder(angle, 360) / 45;
  84         return angle > 1 ? 0 : angle < -1 ? 0 : 1 - fabs(angle);
  85 }
  86
  87 float GeomLerp(float a, float lerp, float b)
  88 {
  89         return a == 0 ? (lerp < 1 ? 0 : b)
  90                 : b == 0 ? (lerp > 0 ? 0 : a)
  91                 : a * pow(fabs(b / a), lerp);
  92 }
  93
  94 noref float pmove_waterjumptime;
  95
  96 const float unstick_count = 27;
  97 vector unstick_offsets[unstick_count] =
  98 {
  99 // 1 no nudge (just return the original if this test passes)
 100         '0.000   0.000  0.000',
 101 // 6 simple nudges
 102         ' 0.000  0.000  0.125', '0.000  0.000 -0.125',
 103         '-0.125  0.000  0.000', '0.125  0.000  0.000',
 104         ' 0.000 -0.125  0.000', '0.000  0.125  0.000',
 105 // 4 diagonal flat nudges
 106         '-0.125 -0.125  0.000', '0.125 -0.125  0.000',
 107         '-0.125  0.125  0.000', '0.125  0.125  0.000',
 108 // 8 diagonal upward nudges
 109         '-0.125  0.000  0.125', '0.125  0.000  0.125',
 110         ' 0.000 -0.125  0.125', '0.000  0.125  0.125',
 111         '-0.125 -0.125  0.125', '0.125 -0.125  0.125',
 112         '-0.125  0.125  0.125', '0.125  0.125  0.125',
 113 // 8 diagonal downward nudges
 114         '-0.125  0.000 -0.125', '0.125  0.000 -0.125',
 115         ' 0.000 -0.125 -0.125', '0.000  0.125 -0.125',
 116         '-0.125 -0.125 -0.125', '0.125 -0.125 -0.125',
 117         '-0.125  0.125 -0.125', '0.125  0.125 -0.125',
 118 };
 119
 120 void PM_ClientMovement_Unstick()
 121 {
 122         float i;
 123         for (i = 0; i < unstick_count; i++)
 124         {
 125                 vector neworigin = unstick_offsets[i] + self.origin;
 126                 tracebox(neworigin, PL_CROUCH_MIN, PL_CROUCH_MAX, neworigin, MOVE_NORMAL, self);
 127                 if (!trace_startsolid)
 128                 {
 129                         self.origin = neworigin;
 130                         return;// true;
 131                 }
 132         }
 133 }
 134
 135 void PM_ClientMovement_UpdateStatus()
 136 {
 137         // make sure player is not stuck
 138         PM_ClientMovement_Unstick();
 139
 140         // set crouched
 141         if (PHYS_INPUT_BUTTON_CROUCH(self))
 142         {
 143                 // wants to crouch, this always works..
 144                 if (!IS_DUCKED(self))
 145                         SET_DUCKED(self);
 146         }
 147         else
 148         {
 149                 // wants to stand, if currently crouching we need to check for a
 150                 // low ceiling first
 151                 if (IS_DUCKED(self))
 152                 {
 153                         tracebox(self.origin, PL_MIN, PL_MAX, self.origin, MOVE_NORMAL, self);
 154                         if (!trace_startsolid)
 155                                 UNSET_DUCKED(self);
 156                 }
 157         }
 158
 159         // set onground
 160         vector origin1 = self.origin + '0 0 1';
 161         vector origin2 = self.origin - '0 0 1';
 162
 163         tracebox(origin1, self.mins, self.maxs, origin2, MOVE_NORMAL, self);
 164         if (trace_fraction < 1 && trace_plane_normal_z > 0.7)
 165         {
 166                 SET_ONGROUND(self);
 167
 168                 // this code actually "predicts" an impact; so let's clip velocity first
 169                 float f = dotproduct(self.velocity, trace_plane_normal);
 170                 if (f < 0) // only if moving downwards actually
 171                         self.velocity -= f * trace_plane_normal;
 172         }
 173         else
 174                 UNSET_ONGROUND(self);
 175
 176         // set watertype/waterlevel
 177         origin1 = self.origin;
 178         origin1_z += self.mins_z + 1;
 179         self.waterlevel = WATERLEVEL_NONE;
 180
 181         self.watertype = (pointcontents(origin1) == CONTENT_WATER);
 182
 183         if(self.watertype)
 184         {
 185                 self.waterlevel = WATERLEVEL_WETFEET;
 186                 origin1_z = self.origin_z + (self.mins_z + self.maxs_z) * 0.5;
 187                 if(pointcontents(origin1) == CONTENT_WATER)
 188                 {
 189                         self.waterlevel = WATERLEVEL_SWIMMING;
 190                         origin1_z = self.origin_z + 22;
 191                         if(pointcontents(origin1) == CONTENT_WATER)
 192                                 self.waterlevel = WATERLEVEL_SUBMERGED;
 193                 }
 194         }
 195
 196         if(IS_ONGROUND(self) || self.velocity_z <= 0 || pmove_waterjumptime <= 0)
 197                 pmove_waterjumptime = 0;
 198 }
 199
 200 void PM_ClientMovement_Move()
 201 {
 202 #ifdef CSQC
 203         float t = PHYS_INPUT_TIMELENGTH;
 204         vector primalvelocity = self.velocity;
 205         PM_ClientMovement_UpdateStatus();
 206         float bump = 0;
 207         for (bump = 0; bump < 8 && self.velocity * self.velocity > 0; bump++)
 208         {
 209                 vector neworigin = self.origin + t * self.velocity;
 210                 tracebox(self.origin, self.mins, self.maxs, neworigin, MOVE_NORMAL, self);
 211                 float old_trace1_fraction = trace_fraction;
 212                 vector old_trace1_endpos = trace_endpos;
 213                 vector old_trace1_plane_normal = trace_plane_normal;
 214                 if (trace_fraction < 1 && trace_plane_normal_z == 0)
 215                 {
 216                         // may be a step or wall, try stepping up
 217                         // first move forward at a higher level
 218                         vector currentorigin2 = self.origin;
 219                         currentorigin2_z += PHYS_STEPHEIGHT;
 220                         vector neworigin2 = neworigin;
 221                         neworigin2_z = self.origin_z + PHYS_STEPHEIGHT;
 222                         tracebox(currentorigin2, self.mins, self.maxs, neworigin2, MOVE_NORMAL, self);
 223                         if (!trace_startsolid)
 224                         {
 225                                 // then move down from there
 226                                 currentorigin2 = trace_endpos;
 227                                 neworigin2 = trace_endpos;
 228                                 neworigin2_z = self.origin_z;
 229                                 float old_trace2_fraction = trace_fraction;
 230                                 vector old_trace2_plane_normal = trace_plane_normal;
 231                                 tracebox(currentorigin2, self.mins, self.maxs, neworigin2, MOVE_NORMAL, self);
 232                                 //Con_Printf("%f %f %f %f : %f %f %f %f : %f %f %f %f\n", trace.fraction, trace.endpos[0], trace.endpos[1], trace.endpos[2], trace2.fraction, trace2.endpos[0], trace2.endpos[1], trace2.endpos[2], trace3.fraction, trace3.endpos[0], trace3.endpos[1], trace3.endpos[2]);
 233                                 // accept the new trace if it made some progress
 234                                 if (fabs(trace_endpos_x - old_trace1_endpos_x) >= 0.03125 || fabs(trace_endpos_y - old_trace1_endpos_y) >= 0.03125)
 235                                 {
 236                                         trace_fraction = old_trace2_fraction;
 237                                         trace_endpos = trace_endpos;
 238                                         trace_plane_normal = old_trace2_plane_normal;
 239                                 }
 240                                 else
 241                                 {
 242                                         trace_fraction = old_trace1_fraction;
 243                                         trace_endpos = old_trace1_endpos;
 244                                         trace_plane_normal = old_trace1_plane_normal;
 245                                 }
 246                         }
 247                 }
 248
 249                 // check if it moved at all
 250                 if (trace_fraction >= 0.001)
 251                         self.origin = trace_endpos;
 252
 253                 // check if it moved all the way
 254                 if (trace_fraction == 1)
 255                         break;
 256
 257                 // this is only really needed for nogravityonground combined with gravityunaffectedbyticrate
 258                 // <LordHavoc> I'm pretty sure I commented it out solely because it seemed redundant
 259                 // this got commented out in a change that supposedly makes the code match QW better
 260                 // so if this is broken, maybe put it in an if (cls.protocol != PROTOCOL_QUAKEWORLD) block
 261                 if (trace_plane_normal_z > 0.7)
 262                         SET_ONGROUND(self);
 263
 264                 t -= t * trace_fraction;
 265
 266                 float f = dotproduct(self.velocity, trace_plane_normal);
 267                 self.velocity -= f * trace_plane_normal;
 268         }
 269         if (pmove_waterjumptime > 0)
 270                 self.velocity = primalvelocity;
 271 #endif
 272 }
 273
 274 void CPM_PM_Aircontrol(vector wishdir, float wishspeed)
 275 {
 276         float k;
 277 #if 0
 278         // this doesn't play well with analog input
 279         if (PHYS_INPUT_MOVEVALUES(self).x == 0 || PHYS_INPUT_MOVEVALUES(self).y != 0)
 280                 return; // can't control movement if not moving forward or backward
 281         k = 32;
 282 #else
 283         k = 32 * (2 * IsMoveInDirection(PHYS_INPUT_MOVEVALUES(self), 0) - 1);
 284         if (k <= 0)
 285                 return;
 286 #endif
 287
 288         k *= bound(0, wishspeed / PHYS_MAXAIRSPEED, 1);
 289
 290         float zspeed = self.velocity_z;
 291         self.velocity_z = 0;
 292         float xyspeed = vlen(self.velocity);
 293         self.velocity = normalize(self.velocity);
 294
 295         float dot = self.velocity * wishdir;
 296
 297         if (dot > 0) // we can't change direction while slowing down
 298         {
 299                 k *= pow(dot, PHYS_AIRCONTROL_POWER)*PHYS_INPUT_TIMELENGTH;
 300                 xyspeed = max(0, xyspeed - PHYS_AIRCONTROL_PENALTY * sqrt(max(0, 1 - dot*dot)) * k/32);
 301                 k *= PHYS_AIRCONTROL;
 302                 self.velocity = normalize(self.velocity * xyspeed + wishdir * k);
 303         }
 304
 305         self.velocity = self.velocity * xyspeed;
 306         self.velocity_z = zspeed;
 307 }
 308
 309 float AdjustAirAccelQW(float accelqw, float factor)
 310 {
 311         return copysign(bound(0.000001, 1 - (1 - fabs(accelqw)) * factor, 1), accelqw);
 312 }
 313
 314 // example config for alternate speed clamping:
 315 //   sv_airaccel_qw 0.8
 316 //   sv_airaccel_sideways_friction 0
 317 //   prvm_globalset server speedclamp_mode 1
 318 //     (or 2)
 319 void PM_Accelerate(vector wishdir, float wishspeed, float wishspeed0, float accel, float accelqw, float stretchfactor, float sidefric, float speedlimit)
 320 {
 321         float speedclamp = stretchfactor > 0 ? stretchfactor
 322         : accelqw < 0 ? 1 // full clamping, no stretch
 323         : -1; // no clamping
 324
 325         accelqw = fabs(accelqw);
 326
 327         if (GAMEPLAYFIX_Q2AIRACCELERATE)
 328                 wishspeed0 = wishspeed; // don't need to emulate this Q1 bug
 329
 330         float vel_straight = self.velocity * wishdir;
 331         float vel_z = self.velocity_z;
 332         vector vel_xy = vec2(self.velocity);
 333         vector vel_perpend = vel_xy - vel_straight * wishdir;
 334
 335         float step = accel * PHYS_INPUT_TIMELENGTH * wishspeed0;
 336
 337         float vel_xy_current  = vlen(vel_xy);
 338         if (speedlimit)
 339                 accelqw = AdjustAirAccelQW(accelqw, (speedlimit - bound(wishspeed, vel_xy_current, speedlimit)) / max(1, speedlimit - wishspeed));
 340         float vel_xy_forward =  vel_xy_current  + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);
 341         float vel_xy_backward = vel_xy_current  - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);
 342         vel_xy_backward = max(0, vel_xy_backward); // not that it REALLY occurs that this would cause wrong behaviour afterwards
 343         vel_straight =          vel_straight    + bound(0, wishspeed - vel_straight,   step) * accelqw + step * (1 - accelqw);
 344
 345         if (sidefric < 0 && (vel_perpend*vel_perpend))
 346                 // negative: only apply so much sideways friction to stay below the speed you could get by "braking"
 347         {
 348                 float f = max(0, 1 + PHYS_INPUT_TIMELENGTH * wishspeed * sidefric);
 349                 float fmin = (vel_xy_backward * vel_xy_backward - vel_straight * vel_straight) / (vel_perpend * vel_perpend);
 350                 // assume: fmin > 1
 351                 // vel_xy_backward*vel_xy_backward - vel_straight*vel_straight > vel_perpend*vel_perpend
 352                 // vel_xy_backward*vel_xy_backward > vel_straight*vel_straight + vel_perpend*vel_perpend
 353                 // vel_xy_backward*vel_xy_backward > vel_xy * vel_xy
 354                 // obviously, this cannot be
 355                 if (fmin <= 0)
 356                         vel_perpend *= f;
 357                 else
 358                 {
 359                         fmin = sqrt(fmin);
 360                         vel_perpend *= max(fmin, f);
 361                 }
 362         }
 363         else
 364                 vel_perpend *= max(0, 1 - PHYS_INPUT_TIMELENGTH * wishspeed * sidefric);
 365
 366         vel_xy = vel_straight * wishdir + vel_perpend;
 367
 368         if (speedclamp >= 0)
 369         {
 370                 float vel_xy_preclamp;
 371                 vel_xy_preclamp = vlen(vel_xy);
 372                 if (vel_xy_preclamp > 0) // prevent division by zero
 373                 {
 374                         vel_xy_current += (vel_xy_forward - vel_xy_current) * speedclamp;
 375                         if (vel_xy_current < vel_xy_preclamp)
 376                                 vel_xy *= (vel_xy_current / vel_xy_preclamp);
 377                 }
 378         }
 379
 380         self.velocity = vel_xy + vel_z * '0 0 1';
 381 }
 382
 383 void PM_AirAccelerate(vector wishdir, float wishspeed)
 384 {
 385         if (wishspeed == 0)
 386                 return;
 387
 388         vector curvel = self.velocity;
 389         curvel_z = 0;
 390         float curspeed = vlen(curvel);
 391
 392         if (wishspeed > curspeed * 1.01)
 393                 wishspeed = min(wishspeed, curspeed + PHYS_WARSOWBUNNY_AIRFORWARDACCEL * PHYS_MAXSPEED(self) * PHYS_INPUT_TIMELENGTH);
 394         else
 395         {
 396                 float f = max(0, (PHYS_WARSOWBUNNY_TOPSPEED - curspeed) / (PHYS_WARSOWBUNNY_TOPSPEED - PHYS_MAXSPEED(self)));
 397                 wishspeed = max(curspeed, PHYS_MAXSPEED(self)) + PHYS_WARSOWBUNNY_ACCEL * f * PHYS_MAXSPEED(self) * PHYS_INPUT_TIMELENGTH;
 398         }
 399         vector wishvel = wishdir * wishspeed;
 400         vector acceldir = wishvel - curvel;
 401         float addspeed = vlen(acceldir);
 402         acceldir = normalize(acceldir);
 403
 404         float accelspeed = min(addspeed, PHYS_WARSOWBUNNY_TURNACCEL * PHYS_MAXSPEED(self) * PHYS_INPUT_TIMELENGTH);
 405
 406         if (PHYS_WARSOWBUNNY_BACKTOSIDERATIO < 1)
 407         {
 408                 vector curdir = normalize(curvel);
 409                 float dot = acceldir * curdir;
 410                 if (dot < 0)
 411                         acceldir -= (1 - PHYS_WARSOWBUNNY_BACKTOSIDERATIO) * dot * curdir;
 412         }
 413
 414         self.velocity += accelspeed * acceldir;
 415 }
 416
 417
 418 /*
 419 =============
 420 PlayerJump
 421
 422 When you press the jump key
 423 =============
 424 */
 425 void PlayerJump (void)
 426 {
 427 #ifdef SVQC
 428         if (PHYS_FROZEN(self))
 429                 return; // no jumping in freezetag when frozen
 430
 431         if (self.player_blocked)
 432                 return; // no jumping while blocked
 433
 434         float doublejump = FALSE;
 435         float mjumpheight = PHYS_JUMPVELOCITY;
 436
 437         player_multijump = doublejump;
 438         player_jumpheight = mjumpheight;
 439         if (MUTATOR_CALLHOOK(PlayerJump))
 440                 return;
 441
 442         doublejump = player_multijump;
 443         mjumpheight = player_jumpheight;
 444
 445         if (autocvar_sv_doublejump)
 446         {
 447                 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);
 448                 if (trace_fraction < 1 && trace_plane_normal_z > 0.7)
 449                 {
 450                         doublejump = TRUE;
 451
 452                         // we MUST clip velocity here!
 453                         float f;
 454                         f = self.velocity * trace_plane_normal;
 455                         if (f < 0)
 456                                 self.velocity -= f * trace_plane_normal;
 457                 }
 458         }
 459
 460         if (self.waterlevel >= WATERLEVEL_SWIMMING)
 461         {
 462                 self.velocity_z = PHYS_MAXSPEED(self) * 0.7;
 463                 return;
 464         }
 465
 466         if (!doublejump)
 467                 if (!IS_ONGROUND(self))
 468                         return;
 469
 470         if (PHYS_TRACK_CANJUMP(self))
 471                 if (IS_JUMP_HELD(self))
 472                         return;
 473
 474         // sv_jumpspeedcap_min/sv_jumpspeedcap_max act as baseline
 475         // velocity bounds.  Final velocity is bound between (jumpheight *
 476         // min + jumpheight) and (jumpheight * max + jumpheight);
 477
 478         if (autocvar_sv_jumpspeedcap_min != "")
 479         {
 480                 float minjumpspeed = mjumpheight * stof(autocvar_sv_jumpspeedcap_min);
 481
 482                 if (self.velocity_z < minjumpspeed)
 483                         mjumpheight += minjumpspeed - self.velocity_z;
 484         }
 485
 486         if (autocvar_sv_jumpspeedcap_max != "")
 487         {
 488                 // don't do jump speedcaps on ramps to preserve old xonotic ramjump style
 489                 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);
 490
 491                 if (!(trace_fraction < 1 && trace_plane_normal_z < 0.98 && autocvar_sv_jumpspeedcap_max_disable_on_ramps))
 492                 {
 493                         float maxjumpspeed = mjumpheight * stof(autocvar_sv_jumpspeedcap_max);
 494
 495                         if (self.velocity_z > maxjumpspeed)
 496                                 mjumpheight -= self.velocity_z - maxjumpspeed;
 497                 }
 498         }
 499
 500         if (!(self.lastflags & FL_ONGROUND))
 501         {
 502                 if (autocvar_speedmeter)
 503                         dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));
 504                 if (self.lastground < time - 0.3)
 505                 {
 506                         self.velocity_x *= (1 - autocvar_sv_friction_on_land);
 507                         self.velocity_y *= (1 - autocvar_sv_friction_on_land);
 508                 }
 509                 if (self.jumppadcount > 1)
 510                         dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));
 511                 self.jumppadcount = 0;
 512         }
 513
 514         self.oldvelocity_z = self.velocity_z += mjumpheight;
 515
 516         UNSET_ONGROUND(self);
 517         SET_JUMP_HELD(self);
 518
 519         animdecide_setaction(self, ANIMACTION_JUMP, TRUE);
 520
 521         if (autocvar_g_jump_grunt)
 522                 PlayerSound(playersound_jump, CH_PLAYER, VOICETYPE_PLAYERSOUND);
 523
 524         self.restart_jump = -1; // restart jump anim next time
 525         // value -1 is used to not use the teleport bit (workaround for tiny hitch when re-jumping)
 526 #endif
 527 }
 528
 529 void CheckWaterJump()
 530 {
 531 // check for a jump-out-of-water
 532         makevectors(PHYS_INPUT_ANGLES(self));
 533         vector start = self.origin;
 534         start_z += 8;
 535         v_forward_z = 0;
 536         normalize(v_forward);
 537         vector end = start + v_forward*24;
 538         traceline (start, end, TRUE, self);
 539         if (trace_fraction < 1)
 540         {       // solid at waist
 541                 start_z = start_z + self.maxs_z - 8;
 542                 end = start + v_forward*24;
 543                 self.movedir = trace_plane_normal * -50;
 544                 traceline(start, end, TRUE, self);
 545                 if (trace_fraction == 1)
 546                 {       // open at eye level
 547                         self.velocity_z = 225;
 548 #ifdef SVQC
 549                         self.flags |= FL_WATERJUMP;
 550                         SET_JUMP_HELD(self);
 551                         self.teleport_time = time + 2;  // safety net
 552 #endif
 553                 }
 554         }
 555 }
 556
 557 void CheckPlayerJump()
 558 {
 559 #ifdef SVQC
 560         if (self.BUTTON_JUMP)
 561                 PlayerJump();
 562         else
 563                 UNSET_JUMP_HELD(self);
 564
 565 #endif
 566 #ifdef CSQC
 567                 // jump if on ground with jump button pressed but only if it has been
 568                 // released at least once since the last jump
 569                 if (PHYS_INPUT_BUTTON_JUMP(self))
 570                 {
 571                         pm_multijump = FALSE;
 572                         PM_multijump_checkjump();
 573                         if((IS_ONGROUND(self) || pm_multijump) && (!IS_JUMP_HELD(self) || !PHYS_TRACK_CANJUMP(self)))
 574                         {
 575                                 self.velocity_z += PHYS_JUMPVELOCITY;
 576                                 UNSET_ONGROUND(self);
 577                                 SET_JUMP_HELD(self); // canjump = false
 578                         }
 579                 }
 580                 else
 581                         UNSET_JUMP_HELD(self); // canjump = true
 582 #endif
 583         if (self.waterlevel == WATERLEVEL_SWIMMING)
 584                 CheckWaterJump();
 585 }
 586
 587 float racecar_angle(float forward, float down)
 588 {
 589         if (forward < 0)
 590         {
 591                 forward = -forward;
 592                 down = -down;
 593         }
 594
 595         float ret = vectoyaw('0 1 0' * down + '1 0 0' * forward);
 596
 597         float angle_mult = forward / (800 + forward);
 598
 599         if (ret > 180)
 600                 return ret * angle_mult + 360 * (1 - angle_mult);
 601         else
 602                 return ret * angle_mult;
 603 }
 604
 605 void RaceCarPhysics()
 606 {
 607 #ifdef SVQC
 608         // using this move type for "big rigs"
 609         // the engine does not push the entity!
 610
 611         vector rigvel;
 612
 613         vector angles_save = self.angles;
 614         float accel = bound(-1, PHYS_INPUT_MOVEVALUES(self).x / PHYS_MAXSPEED(self), 1);
 615         float steer = bound(-1, PHYS_INPUT_MOVEVALUES(self).y / PHYS_MAXSPEED(self), 1);
 616
 617         if (g_bugrigs_reverse_speeding)
 618         {
 619                 if (accel < 0)
 620                 {
 621                         // back accel is DIGITAL
 622                         // to prevent speedhack
 623                         if (accel < -0.5)
 624                                 accel = -1;
 625                         else
 626                                 accel = 0;
 627                 }
 628         }
 629
 630         self.angles_x = 0;
 631         self.angles_z = 0;
 632         makevectors(self.angles); // new forward direction!
 633
 634         if (IS_ONGROUND(self) || g_bugrigs_air_steering)
 635         {
 636                 float myspeed = self.velocity * v_forward;
 637                 float upspeed = self.velocity * v_up;
 638
 639                 // responsiveness factor for steering and acceleration
 640                 float f = 1 / (1 + pow(max(-myspeed, myspeed) / g_bugrigs_speed_ref, g_bugrigs_speed_pow));
 641                 //MAXIMA: f(v) := 1 / (1 + (v / g_bugrigs_speed_ref) ^ g_bugrigs_speed_pow);
 642
 643                 float steerfactor;
 644                 if (myspeed < 0 && g_bugrigs_reverse_spinning)
 645                         steerfactor = -myspeed * g_bugrigs_steer;
 646                 else
 647                         steerfactor = -myspeed * f * g_bugrigs_steer;
 648
 649                 float accelfactor;
 650                 if (myspeed < 0 && g_bugrigs_reverse_speeding)
 651                         accelfactor = g_bugrigs_accel;
 652                 else
 653                         accelfactor = f * g_bugrigs_accel;
 654                 //MAXIMA: accel(v) := f(v) * g_bugrigs_accel;
 655
 656                 if (accel < 0)
 657                 {
 658                         if (myspeed > 0)
 659                         {
 660                                 myspeed = max(0, myspeed - PHYS_INPUT_TIMELENGTH * (g_bugrigs_friction_floor - g_bugrigs_friction_brake * accel));
 661                         }
 662                         else
 663                         {
 664                                 if (!g_bugrigs_reverse_speeding)
 665                                         myspeed = min(0, myspeed + PHYS_INPUT_TIMELENGTH * g_bugrigs_friction_floor);
 666                         }
 667                 }
 668                 else
 669                 {
 670                         if (myspeed >= 0)
 671                         {
 672                                 myspeed = max(0, myspeed - PHYS_INPUT_TIMELENGTH * g_bugrigs_friction_floor);
 673                         }
 674                         else
 675                         {
 676                                 if (g_bugrigs_reverse_stopping)
 677                                         myspeed = 0;
 678                                 else
 679                                         myspeed = min(0, myspeed + PHYS_INPUT_TIMELENGTH * (g_bugrigs_friction_floor + g_bugrigs_friction_brake * accel));
 680                         }
 681                 }
 682                 // terminal velocity = velocity at which 50 == accelfactor, that is, 1549 units/sec
 683                 //MAXIMA: friction(v) := g_bugrigs_friction_floor;
 684
 685                 self.angles_y += steer * PHYS_INPUT_TIMELENGTH * steerfactor; // apply steering
 686                 makevectors(self.angles); // new forward direction!
 687
 688                 myspeed += accel * accelfactor * PHYS_INPUT_TIMELENGTH;
 689
 690                 rigvel = myspeed * v_forward + '0 0 1' * upspeed;
 691         }
 692         else
 693         {
 694                 float myspeed = vlen(self.velocity);
 695
 696                 // responsiveness factor for steering and acceleration
 697                 float f = 1 / (1 + pow(max(0, myspeed / g_bugrigs_speed_ref), g_bugrigs_speed_pow));
 698                 float steerfactor = -myspeed * f;
 699                 self.angles_y += steer * PHYS_INPUT_TIMELENGTH * steerfactor; // apply steering
 700
 701                 rigvel = self.velocity;
 702                 makevectors(self.angles); // new forward direction!
 703         }
 704
 705         rigvel *= max(0, 1 - vlen(rigvel) * g_bugrigs_friction_air * PHYS_INPUT_TIMELENGTH);
 706         //MAXIMA: airfriction(v) := v * v * g_bugrigs_friction_air;
 707         //MAXIMA: total_acceleration(v) := accel(v) - friction(v) - airfriction(v);
 708         //MAXIMA: solve(total_acceleration(v) = 0, v);
 709
 710         if (g_bugrigs_planar_movement)
 711         {
 712                 vector rigvel_xy, neworigin, up;
 713                 float mt;
 714
 715                 rigvel_z -= PHYS_INPUT_TIMELENGTH * PHYS_GRAVITY; // 4x gravity plays better
 716                 rigvel_xy = vec2(rigvel);
 717
 718                 if (g_bugrigs_planar_movement_car_jumping)
 719                         mt = MOVE_NORMAL;
 720                 else
 721                         mt = MOVE_NOMONSTERS;
 722
 723                 tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 1024', mt, self);
 724                 up = trace_endpos - self.origin;
 725
 726                 // BUG RIGS: align the move to the surface instead of doing collision testing
 727                 // can we move?
 728                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos + rigvel_xy * PHYS_INPUT_TIMELENGTH, mt, self);
 729
 730                 // align to surface
 731                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos - up + '0 0 1' * rigvel_z * PHYS_INPUT_TIMELENGTH, mt, self);
 732
 733                 if (trace_fraction < 0.5)
 734                 {
 735                         trace_fraction = 1;
 736                         neworigin = self.origin;
 737                 }
 738                 else
 739                         neworigin = trace_endpos;
 740
 741                 if (trace_fraction < 1)
 742                 {
 743                         // now set angles_x so that the car points parallel to the surface
 744                         self.angles = vectoangles(
 745                                         '1 0 0' * v_forward_x * trace_plane_normal_z
 746                                         +
 747                                         '0 1 0' * v_forward_y * trace_plane_normal_z
 748                                         +
 749                                         '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y)
 750                                         );
 751                         SET_ONGROUND(self);
 752                 }
 753                 else
 754                 {
 755                         // now set angles_x so that the car points forward, but is tilted in velocity direction
 756                         UNSET_ONGROUND(self);
 757                 }
 758
 759                 self.velocity = (neworigin - self.origin) * (1.0 / PHYS_INPUT_TIMELENGTH);
 760                 self.movetype = MOVETYPE_NOCLIP;
 761         }
 762         else
 763         {
 764                 rigvel_z -= PHYS_INPUT_TIMELENGTH * PHYS_GRAVITY; // 4x gravity plays better
 765                 self.velocity = rigvel;
 766                 self.movetype = MOVETYPE_FLY;
 767         }
 768
 769         trace_fraction = 1;
 770         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 4', MOVE_NORMAL, self);
 771         if (trace_fraction != 1)
 772         {
 773                 self.angles = vectoangles2(
 774                                 '1 0 0' * v_forward_x * trace_plane_normal_z
 775                                 +
 776                                 '0 1 0' * v_forward_y * trace_plane_normal_z
 777                                 +
 778                                 '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y),
 779                                 trace_plane_normal
 780                                 );
 781         }
 782         else
 783         {
 784                 vector vel_local;
 785
 786                 vel_local_x = v_forward * self.velocity;
 787                 vel_local_y = v_right * self.velocity;
 788                 vel_local_z = v_up * self.velocity;
 789
 790                 self.angles_x = racecar_angle(vel_local_x, vel_local_z);
 791                 self.angles_z = racecar_angle(-vel_local_y, vel_local_z);
 792         }
 793
 794         // smooth the angles
 795         vector vf1, vu1, smoothangles;
 796         makevectors(self.angles);
 797         float f = bound(0, PHYS_INPUT_TIMELENGTH * g_bugrigs_angle_smoothing, 1);
 798         if (f == 0)
 799                 f = 1;
 800         vf1 = v_forward * f;
 801         vu1 = v_up * f;
 802         makevectors(angles_save);
 803         vf1 = vf1 + v_forward * (1 - f);
 804         vu1 = vu1 + v_up * (1 - f);
 805         smoothangles = vectoangles2(vf1, vu1);
 806         self.angles_x = -smoothangles_x;
 807         self.angles_z =  smoothangles_z;
 808 #endif
 809 }
 810
 811 string specialcommand = "xwxwxsxsxaxdxaxdx1x ";
 812 .float specialcommand_pos;
 813 void SpecialCommand()
 814 {
 815 #ifdef SVQC
 816 #ifdef TETRIS
 817         TetrisImpulse();
 818 #else
 819         if (!CheatImpulse(99))
 820                 print("A hollow voice says \"Plugh\".\n");
 821 #endif
 822 #endif
 823 }
 824
 825 #ifdef SVQC
 826 float speedaward_speed;
 827 string speedaward_holder;
 828 string speedaward_uid;
 829 #endif
 830 void race_send_speedaward(float msg)
 831 {
 832 #ifdef SVQC
 833         // send the best speed of the round
 834         WriteByte(msg, SVC_TEMPENTITY);
 835         WriteByte(msg, TE_CSQC_RACE);
 836         WriteByte(msg, RACE_NET_SPEED_AWARD);
 837         WriteInt24_t(msg, floor(speedaward_speed+0.5));
 838         WriteString(msg, speedaward_holder);
 839 #endif
 840 }
 841
 842 #ifdef SVQC
 843 float speedaward_alltimebest;
 844 string speedaward_alltimebest_holder;
 845 string speedaward_alltimebest_uid;
 846 #endif
 847 void race_send_speedaward_alltimebest(float msg)
 848 {
 849 #ifdef SVQC
 850         // send the best speed
 851         WriteByte(msg, SVC_TEMPENTITY);
 852         WriteByte(msg, TE_CSQC_RACE);
 853         WriteByte(msg, RACE_NET_SPEED_AWARD_BEST);
 854         WriteInt24_t(msg, floor(speedaward_alltimebest+0.5));
 855         WriteString(msg, speedaward_alltimebest_holder);
 856 #endif
 857 }
 858
 859 float PM_check_keepaway(void)
 860 {
 861 #ifdef SVQC
 862         return (self.ballcarried && g_keepaway) ? autocvar_g_keepaway_ballcarrier_highspeed : 1;
 863 #else
 864         return 1;
 865 #endif
 866 }
 867
 868 void PM_check_race_movetime(void)
 869 {
 870 #ifdef SVQC
 871         self.race_movetime_frac += PHYS_INPUT_TIMELENGTH;
 872         float f = floor(self.race_movetime_frac);
 873         self.race_movetime_frac -= f;
 874         self.race_movetime_count += f;
 875         self.race_movetime = self.race_movetime_frac + self.race_movetime_count;
 876 #endif
 877 }
 878
 879 float PM_check_specialcommand(float buttons)
 880 {
 881 #ifdef SVQC
 882         string c;
 883         if (!buttons)
 884                 c = "x";
 885         else if (buttons == 1)
 886                 c = "1";
 887         else if (buttons == 2)
 888                 c = " ";
 889         else if (buttons == 128)
 890                 c = "s";
 891         else if (buttons == 256)
 892                 c = "w";
 893         else if (buttons == 512)
 894                 c = "a";
 895         else if (buttons == 1024)
 896                 c = "d";
 897         else
 898                 c = "?";
 899
 900         if (c == substring(specialcommand, self.specialcommand_pos, 1))
 901         {
 902                 self.specialcommand_pos += 1;
 903                 if (self.specialcommand_pos >= strlen(specialcommand))
 904                 {
 905                         self.specialcommand_pos = 0;
 906                         SpecialCommand();
 907                         return TRUE;
 908                 }
 909         }
 910         else if (self.specialcommand_pos && (c != substring(specialcommand, self.specialcommand_pos - 1, 1)))
 911                 self.specialcommand_pos = 0;
 912 #endif
 913         return FALSE;
 914 }
 915
 916 void PM_check_nickspam(void)
 917 {
 918 #ifdef SVQC
 919         if (time >= self.nickspamtime)
 920                 return;
 921         if (self.nickspamcount >= autocvar_g_nick_flood_penalty_yellow)
 922         {
 923                 // slight annoyance for nick change scripts
 924                 PHYS_INPUT_MOVEVALUES(self) = -1 * PHYS_INPUT_MOVEVALUES(self);
 925                 self.BUTTON_ATCK = self.BUTTON_JUMP = self.BUTTON_ATCK2 = self.BUTTON_ZOOM = self.BUTTON_CROUCH = self.BUTTON_HOOK = self.BUTTON_USE = 0;
 926
 927                 if (self.nickspamcount >= autocvar_g_nick_flood_penalty_red) // if you are persistent and the slight annoyance above does not stop you, I'll show you!
 928                 {
 929                         PHYS_INPUT_ANGLES(self)_x = random() * 360;
 930                         PHYS_INPUT_ANGLES(self)_y = random() * 360;
 931                         // at least I'm not forcing retardedview by also assigning to angles_z
 932                         self.fixangle = TRUE;
 933                 }
 934         }
 935 #endif
 936 }
 937
 938 void PM_check_punch()
 939 {
 940 #ifdef SVQC
 941         if (self.punchangle != '0 0 0')
 942         {
 943                 float f = vlen(self.punchangle) - 10 * PHYS_INPUT_TIMELENGTH;
 944                 if (f > 0)
 945                         self.punchangle = normalize(self.punchangle) * f;
 946                 else
 947                         self.punchangle = '0 0 0';
 948         }
 949
 950         if (self.punchvector != '0 0 0')
 951         {
 952                 float f = vlen(self.punchvector) - 30 * PHYS_INPUT_TIMELENGTH;
 953                 if (f > 0)
 954                         self.punchvector = normalize(self.punchvector) * f;
 955                 else
 956                         self.punchvector = '0 0 0';
 957         }
 958 #endif
 959 }
 960
 961 void PM_check_spider(void)
 962 {
 963 #ifdef SVQC
 964         if (time >= self.spider_slowness)
 965                 return;
 966         PHYS_MAXSPEED(self) *= 0.5; // half speed while slow from spider
 967         self.stat_sv_airspeedlimit_nonqw *= 0.5;
 968 #endif
 969 }
 970
 971 // predict frozen movement, as frozen players CAN move in some cases
 972 void PM_check_frozen(void)
 973 {
 974         if (!PHYS_FROZEN(self))
 975                 return;
 976         if (PHYS_DODGING_FROZEN
 977 #ifdef SVQC
 978         && IS_REAL_CLIENT(self)
 979 #endif
 980         )
 981         {
 982                 PHYS_INPUT_MOVEVALUES(self)_x = bound(-5, PHYS_INPUT_MOVEVALUES(self).x, 5);
 983                 PHYS_INPUT_MOVEVALUES(self)_y = bound(-5, PHYS_INPUT_MOVEVALUES(self).y, 5);
 984                 PHYS_INPUT_MOVEVALUES(self)_z = bound(-5, PHYS_INPUT_MOVEVALUES(self).z, 5);
 985         }
 986         else
 987                 PHYS_INPUT_MOVEVALUES(self) = '0 0 0';
 988
 989         vector midpoint = ((self.absmin + self.absmax) * 0.5);
 990         if (pointcontents(midpoint) == CONTENT_WATER)
 991         {
 992                 self.velocity = self.velocity * 0.5;
 993
 994                 if (pointcontents(midpoint + '0 0 16') == CONTENT_WATER)
 995                         self.velocity_z = 200;
 996         }
 997 }
 998
 999 void PM_check_blocked(void)
1000 {
1001 #ifdef SVQC
1002         if (!self.player_blocked)
1003                 return;
1004         PHYS_INPUT_MOVEVALUES(self) = '0 0 0';
1005         self.disableclientprediction = 1;
1006 #endif
1007 }
1008
1009 #ifdef SVQC
1010 float speedaward_lastsent;
1011 float speedaward_lastupdate;
1012 string GetMapname(void);
1013 #endif
1014 void PM_check_race(void)
1015 {
1016 #ifdef SVQC
1017         if not(g_cts || g_race)
1018                 return;
1019         if (vlen(self.velocity - self.velocity_z * '0 0 1') > speedaward_speed)
1020         {
1021                 speedaward_speed = vlen(self.velocity - self.velocity_z * '0 0 1');
1022                 speedaward_holder = self.netname;
1023                 speedaward_uid = self.crypto_idfp;
1024                 speedaward_lastupdate = time;
1025         }
1026         if (speedaward_speed > speedaward_lastsent && time - speedaward_lastupdate > 1)
1027         {
1028                 string rr = (g_cts) ? CTS_RECORD : RACE_RECORD;
1029                 race_send_speedaward(MSG_ALL);
1030                 speedaward_lastsent = speedaward_speed;
1031                 if (speedaward_speed > speedaward_alltimebest && speedaward_uid != "")
1032                 {
1033                         speedaward_alltimebest = speedaward_speed;
1034                         speedaward_alltimebest_holder = speedaward_holder;
1035                         speedaward_alltimebest_uid = speedaward_uid;
1036                         db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/speed"), ftos(speedaward_alltimebest));
1037                         db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/crypto_idfp"), speedaward_alltimebest_uid);
1038                         race_send_speedaward_alltimebest(MSG_ALL);
1039                 }
1040         }
1041 #endif
1042 }
1043
1044 void PM_check_vortex(void)
1045 {
1046 #ifdef SVQC
1047         // WEAPONTODO
1048         float xyspeed = vlen(vec2(self.velocity));
1049         if (self.weapon == WEP_VORTEX && WEP_CVAR(vortex, charge) && WEP_CVAR(vortex, charge_velocity_rate) && xyspeed > WEP_CVAR(vortex, charge_minspeed))
1050         {
1051                 // add a maximum of charge_velocity_rate when going fast (f = 1), gradually increasing from minspeed (f = 0) to maxspeed
1052                 xyspeed = min(xyspeed, WEP_CVAR(vortex, charge_maxspeed));
1053                 float f = (xyspeed - WEP_CVAR(vortex, charge_minspeed)) / (WEP_CVAR(vortex, charge_maxspeed) - WEP_CVAR(vortex, charge_minspeed));
1054                 // add the extra charge
1055                 self.vortex_charge = min(1, self.vortex_charge + WEP_CVAR(vortex, charge_velocity_rate) * f * frametime);
1056         }
1057 #endif
1058 }
1059
1060 void PM_fly(float maxspd_mod)
1061 {
1062         // noclipping or flying
1063         UNSET_ONGROUND(self);
1064
1065         self.velocity = self.velocity * (1 - PHYS_INPUT_TIMELENGTH * PHYS_FRICTION);
1066         makevectors(PHYS_INPUT_ANGLES(self));
1067         //wishvel = v_forward * PHYS_INPUT_MOVEVALUES(self).x + v_right * PHYS_INPUT_MOVEVALUES(self).y + v_up * PHYS_INPUT_MOVEVALUES(self).z;
1068         vector wishvel = v_forward * PHYS_INPUT_MOVEVALUES(self).x
1069                                         + v_right * PHYS_INPUT_MOVEVALUES(self).y
1070                                         + '0 0 1' * PHYS_INPUT_MOVEVALUES(self).z;
1071         // acceleration
1072         vector wishdir = normalize(wishvel);
1073         float wishspeed = min(vlen(wishvel), PHYS_MAXSPEED(self) * maxspd_mod);
1074         if (time >= self.teleport_time)
1075                 PM_Accelerate(wishdir, wishspeed, wishspeed, PHYS_ACCELERATE * maxspd_mod, 1, 0, 0, 0);
1076 }
1077
1078 void PM_swim(float maxspd_mod)
1079 {
1080         // swimming
1081         UNSET_ONGROUND(self);
1082
1083         float jump = PHYS_INPUT_BUTTON_JUMP(self);
1084         // water jump only in certain situations
1085         // this mimics quakeworld code
1086         if (jump && self.waterlevel == WATERLEVEL_SWIMMING && self.velocity_z >= -180)
1087         {
1088                 vector yawangles = '0 1 0' * PHYS_INPUT_ANGLES(self).y;
1089                 makevectors(yawangles);
1090                 vector forward = v_forward;
1091                 vector spot = self.origin + 24 * forward;
1092                 spot_z += 8;
1093                 traceline(spot, spot, MOVE_NOMONSTERS, self);
1094                 if (trace_startsolid)
1095                 {
1096                         spot_z += 24;
1097                         traceline(spot, spot, MOVE_NOMONSTERS, self);
1098                         if (!trace_startsolid)
1099                         {
1100                                 self.velocity = forward * 50;
1101                                 self.velocity_z = 310;
1102                                 pmove_waterjumptime = 2;
1103                                 UNSET_ONGROUND(self);
1104                                 SET_JUMP_HELD(self);
1105                         }
1106                 }
1107         }
1108         makevectors(PHYS_INPUT_ANGLES(self));
1109         //wishvel = v_forward * PHYS_INPUT_MOVEVALUES(self).x + v_right * PHYS_INPUT_MOVEVALUES(self).y + v_up * PHYS_INPUT_MOVEVALUES(self).z;
1110         vector wishvel = v_forward * PHYS_INPUT_MOVEVALUES(self).x
1111                                         + v_right * PHYS_INPUT_MOVEVALUES(self).y
1112                                         + '0 0 1' * PHYS_INPUT_MOVEVALUES(self).z;
1113         if (wishvel == '0 0 0')
1114                 wishvel = '0 0 -60'; // drift towards bottom
1115
1116         vector wishdir = normalize(wishvel);
1117         float wishspeed = min(vlen(wishvel), PHYS_MAXSPEED(self) * maxspd_mod) * 0.7;
1118
1119         if (IS_DUCKED(self))
1120         wishspeed *= 0.5;
1121
1122 //      if (pmove_waterjumptime <= 0) // TODO: use
1123     {
1124                 // water friction
1125                 float f = 1 - PHYS_INPUT_TIMELENGTH * PHYS_FRICTION;
1126                 f = min(max(0, f), 1);
1127                 self.velocity *= f;
1128
1129                 f = wishspeed - self.velocity * wishdir;
1130                 if (f > 0)
1131                 {
1132                         float accelspeed = min(PHYS_ACCELERATE * PHYS_INPUT_TIMELENGTH * wishspeed, f);
1133                         self.velocity += accelspeed * wishdir;
1134                 }
1135
1136                 // holding jump button swims upward slowly
1137                 if (jump)
1138                 {
1139 #if 0
1140                         if (self.watertype & CONTENT_LAVA)
1141                                 self.velocity_z =  50;
1142                         else if (self.watertype & CONTENT_SLIME)
1143                                 self.velocity_z =  80;
1144                         else
1145                         {
1146                                 if (IS_NEXUIZ_DERIVED(gamemode))
1147 #endif
1148                                         self.velocity_z = 200;
1149 #if 0
1150                                 else
1151                                         self.velocity_z = 100;
1152                         }
1153 #endif
1154                 }
1155         }
1156         PM_ClientMovement_Move();
1157         // water acceleration
1158         PM_Accelerate(wishdir, wishspeed, wishspeed, PHYS_ACCELERATE * maxspd_mod, 1, 0, 0, 0);
1159 }
1160
1161 void PM_ladder(float maxspd_mod)
1162 {
1163         // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water
1164         UNSET_ONGROUND(self);
1165
1166         float g;
1167         g = PHYS_GRAVITY * PHYS_INPUT_TIMELENGTH;
1168         if (PHYS_ENTGRAVITY(self))
1169                 g *= PHYS_ENTGRAVITY(self);
1170         if (GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE)
1171         {
1172                 g *= 0.5;
1173                 self.velocity_z += g;
1174         }
1175
1176         self.velocity = self.velocity * (1 - PHYS_INPUT_TIMELENGTH * PHYS_FRICTION);
1177         makevectors(PHYS_INPUT_ANGLES(self));
1178         //wishvel = v_forward * PHYS_INPUT_MOVEVALUES(self).x + v_right * PHYS_INPUT_MOVEVALUES(self).y + v_up * PHYS_INPUT_MOVEVALUES(self).z;
1179         vector wishvel = v_forward * PHYS_INPUT_MOVEVALUES(self)_x
1180                                         + v_right * PHYS_INPUT_MOVEVALUES(self)_y
1181                                         + '0 0 1' * PHYS_INPUT_MOVEVALUES(self)_z;
1182         self.velocity_z += g;
1183         if (self.ladder_entity.classname == "func_water")
1184         {
1185                 float f = vlen(wishvel);
1186                 if (f > self.ladder_entity.speed)
1187                         wishvel *= (self.ladder_entity.speed / f);
1188
1189                 self.watertype = self.ladder_entity.skin;
1190                 f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;
1191                 if ((self.origin_z + self.view_ofs_z) < f)
1192                         self.waterlevel = WATERLEVEL_SUBMERGED;
1193                 else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)
1194                         self.waterlevel = WATERLEVEL_SWIMMING;
1195                 else if ((self.origin_z + self.mins_z + 1) < f)
1196                         self.waterlevel = WATERLEVEL_WETFEET;
1197                 else
1198                 {
1199                         self.waterlevel = WATERLEVEL_NONE;
1200                         self.watertype = CONTENT_EMPTY;
1201                 }
1202         }
1203         // acceleration
1204         vector wishdir = normalize(wishvel);
1205         float wishspeed = min(vlen(wishvel), PHYS_MAXSPEED(self) * maxspd_mod);
1206         PM_ClientMovement_Move();
1207 #ifdef SVQC
1208         if (time >= self.teleport_time)
1209 #endif
1210                 // water acceleration
1211                 PM_Accelerate(wishdir, wishspeed, wishspeed, PHYS_ACCELERATE*maxspd_mod, 1, 0, 0, 0);
1212 }
1213
1214 void PM_check_jumppad()
1215 {
1216 #ifdef CSQC
1217         entity oldself = self;
1218
1219         for(self = world; (self = find(self, classname, "jumppad")); )
1220                 trigger_push_draw();
1221
1222         self = oldself;
1223 #endif
1224 }
1225
1226 void PM_jetpack(float maxspd_mod)
1227 {
1228         //makevectors(PHYS_INPUT_ANGLES(self).y * '0 1 0');
1229         makevectors(PHYS_INPUT_ANGLES(self));
1230         vector wishvel = v_forward * PHYS_INPUT_MOVEVALUES(self)_x
1231                                         + v_right * PHYS_INPUT_MOVEVALUES(self)_y;
1232         // add remaining speed as Z component
1233         float maxairspd = PHYS_MAXAIRSPEED * max(1, maxspd_mod);
1234         // fix speedhacks :P
1235         wishvel = normalize(wishvel) * min(1, vlen(wishvel) / maxairspd);
1236         // add the unused velocity as up component
1237         wishvel_z = 0;
1238
1239         // if (self.BUTTON_JUMP)
1240                 wishvel_z = sqrt(max(0, 1 - wishvel * wishvel));
1241
1242         // it is now normalized, so...
1243         float a_side = PHYS_JETPACK_ACCEL_SIDE;
1244         float a_up = PHYS_JETPACK_ACCEL_UP;
1245         float a_add = PHYS_JETPACK_ANTIGRAVITY * PHYS_GRAVITY;
1246
1247         wishvel_x *= a_side;
1248         wishvel_y *= a_side;
1249         wishvel_z *= a_up;
1250         wishvel_z += a_add;
1251
1252         float best = 0;
1253         //////////////////////////////////////////////////////////////////////////////////////
1254         // finding the maximum over all vectors of above form
1255         // with wishvel having an absolute value of 1
1256         //////////////////////////////////////////////////////////////////////////////////////
1257         // we're finding the maximum over
1258         //   f(a_side, a_up, a_add, z) := a_side * (1 - z^2) + (a_add + a_up * z)^2;
1259         // for z in the range from -1 to 1
1260         //////////////////////////////////////////////////////////////////////////////////////
1261         // maximum is EITHER attained at the single extreme point:
1262         float a_diff = a_side * a_side - a_up * a_up;
1263         float f;
1264         if (a_diff != 0)
1265         {
1266                 f = a_add * a_up / a_diff; // this is the zero of diff(f(a_side, a_up, a_add, z), z)
1267                 if (f > -1 && f < 1) // can it be attained?
1268                 {
1269                         best = (a_diff + a_add * a_add) * (a_diff + a_up * a_up) / a_diff;
1270                         //print("middle\n");
1271                 }
1272         }
1273         // OR attained at z = 1:
1274         f = (a_up + a_add) * (a_up + a_add);
1275         if (f > best)
1276         {
1277                 best = f;
1278                 //print("top\n");
1279         }
1280         // OR attained at z = -1:
1281         f = (a_up - a_add) * (a_up - a_add);
1282         if (f > best)
1283         {
1284                 best = f;
1285                 //print("bottom\n");
1286         }
1287         best = sqrt(best);
1288         //////////////////////////////////////////////////////////////////////////////////////
1289
1290         //print("best possible acceleration: ", ftos(best), "\n");
1291
1292         float fxy, fz;
1293         fxy = bound(0, 1 - (self.velocity * normalize(wishvel_x * '1 0 0' + wishvel_y * '0 1 0')) / PHYS_JETPACK_MAXSPEED_SIDE, 1);
1294         if (wishvel_z - PHYS_GRAVITY > 0)
1295                 fz = bound(0, 1 - self.velocity_z / PHYS_JETPACK_MAXSPEED_UP, 1);
1296         else
1297                 fz = bound(0, 1 + self.velocity_z / PHYS_JETPACK_MAXSPEED_UP, 1);
1298
1299         float fvel;
1300         fvel = vlen(wishvel);
1301         wishvel_x *= fxy;
1302         wishvel_y *= fxy;
1303         wishvel_z = (wishvel_z - PHYS_GRAVITY) * fz + PHYS_GRAVITY;
1304
1305         fvel = min(1, vlen(wishvel) / best);
1306         if (PHYS_JETPACK_FUEL && !(ITEMS(self) & IT_UNLIMITED_WEAPON_AMMO))
1307                 f = min(1, PHYS_AMMO_FUEL(self) / (PHYS_JETPACK_FUEL * PHYS_INPUT_TIMELENGTH * fvel));
1308         else
1309                 f = 1;
1310
1311         //print("this acceleration: ", ftos(vlen(wishvel) * f), "\n");
1312
1313         if (f > 0 && wishvel != '0 0 0')
1314         {
1315                 self.velocity = self.velocity + wishvel * f * PHYS_INPUT_TIMELENGTH;
1316                 UNSET_ONGROUND(self);
1317
1318 #ifdef SVQC
1319                 if (!(ITEMS(self) & IT_UNLIMITED_WEAPON_AMMO))
1320                         self.ammo_fuel -= PHYS_JETPACK_FUEL * PHYS_INPUT_TIMELENGTH * fvel * f;
1321
1322                 self.items |= IT_USING_JETPACK;
1323
1324                 // jetpack also inhibits health regeneration, but only for 1 second
1325                 self.pauseregen_finished = max(self.pauseregen_finished, time + autocvar_g_balance_pause_fuel_regen);
1326 #endif
1327         }
1328
1329 #ifdef CSQC
1330         float g = PHYS_GRAVITY * PHYS_ENTGRAVITY(self) * PHYS_INPUT_TIMELENGTH;
1331         if (GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE)
1332                 self.velocity_z -= g * 0.5;
1333         else
1334                 self.velocity_z -= g;
1335         PM_ClientMovement_Move();
1336         if (!IS_ONGROUND(self) || !(GAMEPLAYFIX_NOGRAVITYONGROUND))
1337                 if (GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE)
1338                         self.velocity_z -= g * 0.5;
1339 #endif
1340 }
1341
1342 void PM_walk(float buttons_prev, float maxspd_mod)
1343 {
1344 #ifdef SVQC
1345         // we get here if we ran out of ammo
1346         if ((ITEMS(self) & IT_JETPACK) && self.BUTTON_HOOK && !(buttons_prev & 32) && self.ammo_fuel < 0.01)
1347                 sprint(self, "You don't have any fuel for the ^2Jetpack\n");
1348         if (!(self.lastflags & FL_ONGROUND))
1349         {
1350                 if (autocvar_speedmeter)
1351                         dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));
1352                 if (self.lastground < time - 0.3)
1353                         self.velocity *= (1 - autocvar_sv_friction_on_land);
1354                 if (self.jumppadcount > 1)
1355                         dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));
1356                 self.jumppadcount = 0;
1357         }
1358 #endif
1359         // walking
1360         makevectors(PHYS_INPUT_ANGLES(self).y * '0 1 0');
1361         vector wishvel = v_forward * PHYS_INPUT_MOVEVALUES(self).x
1362                                         + v_right * PHYS_INPUT_MOVEVALUES(self).y;
1363         // acceleration
1364         vector wishdir = normalize(wishvel);
1365         float wishspeed = vlen(wishvel);
1366
1367         wishspeed = min(wishspeed, PHYS_MAXSPEED(self) * maxspd_mod);
1368         if (IS_DUCKED(self))
1369                 wishspeed *= 0.5;
1370
1371         // apply edge friction
1372         float f = vlen(vec2(self.velocity));
1373         if (f > 0)
1374         {
1375                 // TODO: apply edge friction
1376                 // apply ground friction
1377                 f = 1 - PHYS_INPUT_TIMELENGTH * PHYS_FRICTION * ((f < PHYS_STOPSPEED) ? (PHYS_STOPSPEED / f) : 1);
1378                 f = max(0, f);
1379                 self.velocity *= f;
1380                 /*
1381                    Mathematical analysis time!
1382
1383                    Our goal is to invert this mess.
1384
1385                    For the two cases we get:
1386                         v = v0 * (1 - PHYS_INPUT_TIMELENGTH * (PHYS_STOPSPEED / v0) * PHYS_FRICTION)
1387                           = v0 - PHYS_INPUT_TIMELENGTH * PHYS_STOPSPEED * PHYS_FRICTION
1388                         v0 = v + PHYS_INPUT_TIMELENGTH * PHYS_STOPSPEED * PHYS_FRICTION
1389                    and
1390                         v = v0 * (1 - PHYS_INPUT_TIMELENGTH * PHYS_FRICTION)
1391                         v0 = v / (1 - PHYS_INPUT_TIMELENGTH * PHYS_FRICTION)
1392
1393                    These cases would be chosen ONLY if:
1394                         v0 < PHYS_STOPSPEED
1395                         v + PHYS_INPUT_TIMELENGTH * PHYS_STOPSPEED * PHYS_FRICTION < PHYS_STOPSPEED
1396                         v < PHYS_STOPSPEED * (1 - PHYS_INPUT_TIMELENGTH * PHYS_FRICTION)
1397                    and, respectively:
1398                         v0 >= PHYS_STOPSPEED
1399                         v / (1 - PHYS_INPUT_TIMELENGTH * PHYS_FRICTION) >= PHYS_STOPSPEED
1400                         v >= PHYS_STOPSPEED * (1 - PHYS_INPUT_TIMELENGTH * PHYS_FRICTION)
1401                  */
1402         }
1403         float addspeed = wishspeed - self.velocity * wishdir;
1404         if (addspeed > 0)
1405         {
1406                 float accelspeed = min(PHYS_ACCELERATE * PHYS_INPUT_TIMELENGTH * wishspeed, addspeed);
1407                 self.velocity += accelspeed * wishdir;
1408         }
1409         float g = PHYS_GRAVITY * PHYS_ENTGRAVITY(self) * PHYS_INPUT_TIMELENGTH;
1410         if (!(GAMEPLAYFIX_NOGRAVITYONGROUND))
1411                 self.velocity_z -= g * (GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE ? 0.5 : 1);
1412         if (self.velocity * self.velocity)
1413                 PM_ClientMovement_Move();
1414         if (GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE)
1415                 if (!IS_ONGROUND(self) || !GAMEPLAYFIX_NOGRAVITYONGROUND)
1416                         self.velocity_z -= g * 0.5;
1417 }
1418
1419 void PM_air(float buttons_prev, float maxspd_mod)
1420 {
1421 #ifdef SVQC
1422         // we get here if we ran out of ammo
1423         if ((ITEMS(self) & IT_JETPACK) && self.BUTTON_HOOK && !(buttons_prev & 32) && PHYS_AMMO_FUEL(self) < 0.01)
1424                 sprint(self, "You don't have any fuel for the ^2Jetpack\n");
1425 #endif
1426         makevectors(PHYS_INPUT_ANGLES(self).y * '0 1 0');
1427         vector wishvel = v_forward * PHYS_INPUT_MOVEVALUES(self).x
1428                                         + v_right * PHYS_INPUT_MOVEVALUES(self).y;
1429         // acceleration
1430         vector wishdir = normalize(wishvel);
1431         float wishspeed = vlen(wishvel);
1432
1433 #ifdef SVQC
1434         if (time >= self.teleport_time)
1435 #else
1436         if (pmove_waterjumptime <= 0)
1437 #endif
1438         {
1439                 float maxairspd = PHYS_MAXAIRSPEED * min(maxspd_mod, 1);
1440
1441                 // apply air speed limit
1442                 float airaccelqw = PHYS_AIRACCEL_QW(self);
1443                 float wishspeed0 = wishspeed;
1444                 wishspeed = min(wishspeed, maxairspd);
1445                 if (IS_DUCKED(self))
1446                         wishspeed *= 0.5;
1447                 float airaccel = PHYS_AIRACCELERATE * min(maxspd_mod, 1);
1448
1449                 float accelerating = (self.velocity * wishdir > 0);
1450                 float wishspeed2 = wishspeed;
1451
1452                 // CPM: air control
1453                 if (PHYS_AIRSTOPACCELERATE)
1454                 {
1455                         vector curdir = normalize(vec2(self.velocity));
1456                         airaccel += (PHYS_AIRSTOPACCELERATE*maxspd_mod - airaccel) * max(0, -(curdir * wishdir));
1457                 }
1458                 // note that for straight forward jumping:
1459                 // step = accel * PHYS_INPUT_TIMELENGTH * wishspeed0;
1460                 // accel  = bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);
1461                 // -->
1462                 // dv/dt = accel * maxspeed (when slow)
1463                 // dv/dt = accel * maxspeed * (1 - accelqw) (when fast)
1464                 // log dv/dt = logaccel + logmaxspeed (when slow)
1465                 // log dv/dt = logaccel + logmaxspeed + log(1 - accelqw) (when fast)
1466                 float strafity = IsMoveInDirection(PHYS_INPUT_MOVEVALUES(self), -90) + IsMoveInDirection(PHYS_INPUT_MOVEVALUES(self), +90); // if one is nonzero, other is always zero
1467                 if (PHYS_MAXAIRSTRAFESPEED)
1468                         wishspeed = min(wishspeed, GeomLerp(PHYS_MAXAIRSPEED*maxspd_mod, strafity, PHYS_MAXAIRSTRAFESPEED*maxspd_mod));
1469                 if (PHYS_AIRSTRAFEACCELERATE)
1470                         airaccel = GeomLerp(airaccel, strafity, PHYS_AIRSTRAFEACCELERATE*maxspd_mod);
1471                 if (PHYS_AIRSTRAFEACCEL_QW(self))
1472                         airaccelqw =
1473                 (((strafity > 0.5 ? PHYS_AIRSTRAFEACCEL_QW(self) : PHYS_AIRACCEL_QW(self)) >= 0) ? +1 : -1)
1474                 *
1475                 (1 - GeomLerp(1 - fabs(PHYS_AIRACCEL_QW(self)), strafity, 1 - fabs(PHYS_AIRSTRAFEACCEL_QW(self))));
1476                 // !CPM
1477
1478                 if (PHYS_WARSOWBUNNY_TURNACCEL && accelerating && PHYS_INPUT_MOVEVALUES(self).y == 0 && PHYS_INPUT_MOVEVALUES(self).x != 0)
1479                         PM_AirAccelerate(wishdir, wishspeed2);
1480                 else
1481                         PM_Accelerate(wishdir, wishspeed, wishspeed0, airaccel, airaccelqw, PHYS_AIRACCEL_QW_STRETCHFACTOR(self), PHYS_AIRACCEL_SIDEWAYS_FRICTION / maxairspd, PHYS_AIRSPEEDLIMIT_NONQW(self));
1482
1483                 if (PHYS_AIRCONTROL)
1484                         CPM_PM_Aircontrol(wishdir, wishspeed2);
1485         }
1486         float g = PHYS_GRAVITY * PHYS_ENTGRAVITY(self) * PHYS_INPUT_TIMELENGTH;
1487         if (GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE)
1488                 self.velocity_z -= g * 0.5;
1489         else
1490                 self.velocity_z -= g;
1491         PM_ClientMovement_Move();
1492         if (!IS_ONGROUND(self) || !(GAMEPLAYFIX_NOGRAVITYONGROUND))
1493                 if (GAMEPLAYFIX_GRAVITYUNAFFECTEDBYTICRATE)
1494                         self.velocity_z -= g * 0.5;
1495 }
1496
1497 // used for calculating airshots
1498 float PM_is_flying()
1499 {
1500         if (IS_ONGROUND(self))
1501                 return 0;
1502         if (self.waterlevel >= WATERLEVEL_SWIMMING)
1503                 return 0;
1504         traceline(self.origin, self.origin - '0 0 48', MOVE_NORMAL, self);
1505         return trace_fraction >= 1;
1506 }
1507
1508 void PM_Main()
1509 {
1510         PM_check_jumppad();
1511         float buttons = PHYS_INPUT_BUTTON_MASK(self);
1512 #ifdef CSQC
1513         self.team = myteam + 1; // is this correct?
1514         //Con_Printf(" %f", PHYS_INPUT_TIMELENGTH);
1515         if (!(PHYS_INPUT_BUTTON_JUMP(self))) // !jump
1516                 UNSET_JUMP_HELD(self); // canjump = true
1517         pmove_waterjumptime -= PHYS_INPUT_TIMELENGTH;
1518         PM_ClientMovement_UpdateStatus();
1519 #endif
1520
1521 #ifdef SVQC
1522         WarpZone_PlayerPhysics_FixVAngle();
1523 #endif
1524         float maxspeed_mod = 1;
1525         maxspeed_mod *= PM_check_keepaway();
1526         maxspeed_mod *= PHYS_HIGHSPEED;
1527
1528 #ifdef SVQC
1529         Physics_UpdateStats(maxspeed_mod);
1530
1531         if (self.PlayerPhysplug)
1532                 if (self.PlayerPhysplug())
1533                         return;
1534 #endif
1535
1536         PM_check_race_movetime();
1537 #ifdef SVQC
1538         anticheat_physics();
1539 #endif
1540
1541         if (PM_check_specialcommand(buttons))
1542                 return;
1543 #ifdef SVQC
1544         if (sv_maxidle > 0)
1545         {
1546                 if (buttons != self.buttons_old || PHYS_INPUT_MOVEVALUES(self) != self.movement_old || PHYS_INPUT_ANGLES(self) != self.v_angle_old)
1547                         self.parm_idlesince = time;
1548         }
1549 #endif
1550         float buttons_prev = self.buttons_old;
1551         self.buttons_old = buttons;
1552         self.movement_old = PHYS_INPUT_MOVEVALUES(self);
1553         self.v_angle_old = PHYS_INPUT_ANGLES(self);
1554
1555         PM_check_nickspam();
1556
1557         PM_check_punch();
1558 #ifdef SVQC
1559         if (IS_BOT_CLIENT(self))
1560         {
1561                 if (playerdemo_read())
1562                         return;
1563                 bot_think();
1564         }
1565
1566         self.items &= ~IT_USING_JETPACK;
1567
1568         if (IS_PLAYER(self))
1569 #endif
1570         {
1571 #ifdef SVQC
1572                 if (self.race_penalty)
1573                         if (time > self.race_penalty)
1574                                 self.race_penalty = 0;
1575 #endif
1576
1577                 float not_allowed_to_move = 0;
1578 #ifdef SVQC
1579                 if (self.race_penalty)
1580                         not_allowed_to_move = 1;
1581 #endif
1582 #ifdef SVQC
1583                 if (!autocvar_sv_ready_restart_after_countdown)
1584                         if (time < game_starttime)
1585                                 not_allowed_to_move = 1;
1586 #endif
1587
1588                 if (not_allowed_to_move)
1589                 {
1590                         self.velocity = '0 0 0';
1591                         self.movetype = MOVETYPE_NONE;
1592 #ifdef SVQC
1593                         self.disableclientprediction = 2;
1594 #endif
1595                 }
1596 #ifdef SVQC
1597                 else if (self.disableclientprediction == 2)
1598                 {
1599                         if (self.movetype == MOVETYPE_NONE)
1600                                 self.movetype = MOVETYPE_WALK;
1601                         self.disableclientprediction = 0;
1602                 }
1603 #endif
1604         }
1605
1606 #ifdef SVQC
1607         if (self.movetype == MOVETYPE_NONE)
1608                 return;
1609
1610         // when we get here, disableclientprediction cannot be 2
1611         self.disableclientprediction = 0;
1612 #endif
1613
1614         PM_check_spider();
1615
1616         PM_check_frozen();
1617
1618         PM_check_blocked();
1619
1620         maxspeed_mod = 1;
1621
1622 #ifdef SVQC
1623         if (self.in_swamp) {
1624                 maxspeed_mod *= self.swamp_slowdown; //cvar("g_balance_swamp_moverate");
1625         }
1626 #endif
1627
1628 #ifdef SVQC
1629         // conveyors: first fix velocity
1630         if (self.conveyor.state)
1631                 self.velocity -= self.conveyor.movedir;
1632 #endif
1633
1634 #ifdef SVQC
1635         MUTATOR_CALLHOOK(PlayerPhysics);
1636 #endif
1637 #ifdef CSQC
1638         PM_multijump();
1639 #endif
1640
1641 //      float forcedodge = 1;
1642 //      if(forcedodge) {
1643 //#ifdef CSQC
1644 //              PM_dodging_checkpressedkeys();
1645 //#endif
1646 //              PM_dodging();
1647 //              PM_ClientMovement_Move();
1648 //              return;
1649 //      }
1650
1651 #ifdef SVQC
1652         if (!IS_PLAYER(self))
1653         {
1654                 maxspeed_mod *= autocvar_sv_spectator_speed_multiplier;
1655                 if (!self.spectatorspeed)
1656                         self.spectatorspeed = maxspeed_mod;
1657                 if (self.impulse && self.impulse <= 19 || (self.impulse >= 200 && self.impulse <= 209) || (self.impulse >= 220 && self.impulse <= 229))
1658                 {
1659                         if (self.lastclassname != "player")
1660                         {
1661                                 if (self.impulse == 10 || self.impulse == 15 || self.impulse == 18 || (self.impulse >= 200 && self.impulse <= 209))
1662                                         self.spectatorspeed = bound(1, self.spectatorspeed + 0.5, 5);
1663                                 else if (self.impulse == 11)
1664                                         self.spectatorspeed = maxspeed_mod;
1665                                 else if (self.impulse == 12 || self.impulse == 16  || self.impulse == 19 || (self.impulse >= 220 && self.impulse <= 229))
1666                                         self.spectatorspeed = bound(1, self.spectatorspeed - 0.5, 5);
1667                                 else if (self.impulse >= 1 && self.impulse <= 9)
1668                                         self.spectatorspeed = 1 + 0.5 * (self.impulse - 1);
1669                         } // otherwise just clear
1670                         self.impulse = 0;
1671                 }
1672                 maxspeed_mod *= self.spectatorspeed;
1673         }
1674 #endif
1675
1676 #ifdef SVQC
1677         // if dead, behave differently
1678         // in CSQC, physics don't handle dead player
1679         if (self.deadflag)
1680                 goto end;
1681 #endif
1682
1683 #ifdef SVQC
1684         if (!self.fixangle && !g_bugrigs)
1685                 self.angles = '0 1 0' * PHYS_INPUT_ANGLES(self).y;
1686 #endif
1687
1688 #ifdef SVQC
1689         if (IS_ONGROUND(self))
1690         if (IS_PLAYER(self)) // no fall sounds for observers thank you very much
1691         if (self.wasFlying)
1692         {
1693                 self.wasFlying = 0;
1694                 if (self.waterlevel < WATERLEVEL_SWIMMING)
1695                 if (time >= self.ladder_time)
1696                 if (!self.hook)
1697                 {
1698                         self.nextstep = time + 0.3 + random() * 0.1;
1699                         trace_dphitq3surfaceflags = 0;
1700                         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 1', MOVE_NOMONSTERS, self);
1701                         if (!(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOSTEPS))
1702                         {
1703                                 if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)
1704                                         GlobalSound(globalsound_metalfall, CH_PLAYER, VOICETYPE_PLAYERSOUND);
1705                                 else
1706                                         GlobalSound(globalsound_fall, CH_PLAYER, VOICETYPE_PLAYERSOUND);
1707                         }
1708                 }
1709         }
1710 #endif
1711
1712         if (PM_is_flying())
1713                 self.wasFlying = 1;
1714
1715 #ifdef SVQC
1716         if (IS_PLAYER(self))
1717 #endif
1718                 CheckPlayerJump();
1719
1720         if (self.flags & /* FL_WATERJUMP */ 2048)
1721         {
1722                 self.velocity_x = self.movedir_x;
1723                 self.velocity_y = self.movedir_y;
1724                 if (time > self.teleport_time || self.waterlevel == WATERLEVEL_NONE)
1725                 {
1726                         self.flags &= ~/* FL_WATERJUMP */ 2048;
1727                         self.teleport_time = 0;
1728                 }
1729         }
1730
1731 #ifdef SVQC
1732         else if (g_bugrigs && IS_PLAYER(self))
1733                 RaceCarPhysics();
1734 #endif
1735
1736         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY || self.movetype == MOVETYPE_FLY_WORLDONLY)
1737                 PM_fly(maxspeed_mod);
1738
1739         else if (self.waterlevel >= WATERLEVEL_SWIMMING)
1740                 PM_swim(maxspeed_mod);
1741
1742         else if (time < self.ladder_time)
1743                 PM_ladder(maxspeed_mod);
1744
1745         else if ((ITEMS(self) & IT_JETPACK) && PHYS_INPUT_BUTTON_HOOK(self) && (!PHYS_JETPACK_FUEL || PHYS_AMMO_FUEL(self) > 0 || (ITEMS(self) & IT_UNLIMITED_WEAPON_AMMO)) && !PHYS_FROZEN(self))
1746                 PM_jetpack(maxspeed_mod);
1747
1748         else
1749         {
1750                 if (IS_ONGROUND(self))
1751                         PM_walk(buttons_prev, maxspeed_mod);
1752                 else
1753                         PM_air(buttons_prev, maxspeed_mod);
1754         }
1755
1756 #ifdef SVQC
1757         if (!IS_OBSERVER(self))
1758                 PM_check_race();
1759 #endif
1760         PM_check_vortex();
1761
1762 :end
1763         if (IS_ONGROUND(self))
1764                 self.lastground = time;
1765
1766 #ifdef SVQC
1767         // conveyors: then break velocity again
1768         if (self.conveyor.state)
1769                 self.velocity += self.conveyor.movedir;
1770 #endif
1771         self.lastflags = self.flags;
1772         self.lastclassname = self.classname;
1773 }
1774
1775 void CSQC_ClientMovement_PlayerMove_Frame()
1776 {
1777         // if a move is more than 50ms, do it as two moves (matching qwsv)
1778         //Con_Printf("%i ", self.cmd.msec);
1779         if (PHYS_INPUT_TIMELENGTH > 0.0005)
1780         {
1781                 if (PHYS_INPUT_TIMELENGTH > 0.05)
1782                 {
1783                         PHYS_INPUT_TIMELENGTH /= 2;
1784                         PM_Main();
1785                 }
1786                 PM_Main();
1787         }
1788         else
1789                 // we REALLY need this handling to happen, even if the move is not executed
1790                 if (!(PHYS_INPUT_BUTTON_JUMP(self))) // !jump
1791                         UNSET_JUMP_HELD(self); // canjump = true
1792 }
1793
1794 #ifdef SVQC
1795 // Entry point
1796 void SV_PlayerPhysics(void)
1797 {
1798         PM_Main();
1799 }
1800 #endif