data/qcsrc/server/cl_physics.qc

   1 .float race_penalty;\r
   2 .float restart_jump;\r
   3 \r
   4 float sv_accelerate;\r
   5 float sv_friction;\r
   6 float sv_maxspeed;\r
   7 float sv_airaccelerate;\r
   8 float sv_maxairspeed;\r
   9 float sv_stopspeed;\r
  10 float sv_gravity;\r
  11 float sv_airaccel_sideways_friction;\r
  12 float sv_airaccel_qw;\r
  13 float sv_airstopaccelerate;\r
  14 float sv_airstrafeaccelerate;\r
  15 float sv_maxairstrafespeed;\r
  16 float sv_aircontrol;\r
  17 float sv_warsowbunny_airforwardaccel;\r
  18 float sv_warsowbunny_accel;\r
  19 float sv_warsowbunny_topspeed;\r
  20 float sv_warsowbunny_turnaccel;\r
  21 float sv_warsowbunny_backtosideratio;\r
  22 \r
  23 .float ladder_time;\r
  24 .entity ladder_entity;\r
  25 .float gravity;\r
  26 .float swamp_slowdown;\r
  27 .float lastflags;\r
  28 .float lastground;\r
  29 .float wasFlying;\r
  30 .float spectatorspeed;\r
  31 \r
  32 .float multijump_count;\r
  33 .float multijump_ready;\r
  34 .float prevjumpbutton;\r
  35 \r
  36 /*\r
  37 =============\r
  38 PlayerJump\r
  39 \r
  40 When you press the jump key\r
  41 =============\r
  42 */\r
  43 void PlayerJump (void)\r
  44 {\r
  45         float mjumpheight;\r
  46         float doublejump;\r
  47 \r
  48         doublejump = FALSE;\r
  49         if (cvar("sv_doublejump"))\r
  50         {\r
  51                 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);\r
  52                 if (trace_fraction < 1 && trace_plane_normal_z > 0.7)\r
  53                         doublejump = TRUE;\r
  54         }\r
  55 \r
  56         mjumpheight = cvar("sv_jumpvelocity");\r
  57         if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
  58         {\r
  59                 if (self.watertype == CONTENT_WATER)\r
  60                         self.velocity_z = 200;\r
  61                 else if (self.watertype == CONTENT_SLIME)\r
  62                         self.velocity_z = 80;\r
  63                 else\r
  64                         self.velocity_z = 50;\r
  65 \r
  66                 return;\r
  67         }\r
  68 \r
  69         if (cvar("g_multijump"))\r
  70         {\r
  71                 if (self.prevjumpbutton == FALSE && !(self.flags & FL_ONGROUND)) // jump button pressed this frame and we are in midair\r
  72                         self.multijump_ready = TRUE;  // this is necessary to check that we released the jump button and pressed it again\r
  73                 else\r
  74                         self.multijump_ready = FALSE;\r
  75         }\r
  76 \r
  77         if(!doublejump && self.multijump_ready && self.multijump_count < cvar("g_multijump") && self.velocity_z > cvar("g_multijump_speed"))\r
  78         {\r
  79                 // doublejump = FALSE; // checked above in the if\r
  80                 if (cvar("g_multijump"))\r
  81                 {\r
  82                         if (cvar("g_multijump_add") == 0) // in this case we make the z velocity == jumpvelocity\r
  83                         {\r
  84                                 if (self.velocity_z < mjumpheight)\r
  85                                 {\r
  86                                         doublejump = TRUE;\r
  87                                         self.velocity_z = 0;\r
  88                                 }\r
  89                         }\r
  90                         else\r
  91                                 doublejump = TRUE;\r
  92 \r
  93                         if(doublejump)\r
  94                         {\r
  95                                 if(self.movement_x != 0 || self.movement_y != 0) // don't remove all speed if player isnt pressing any movement keys\r
  96                                 {\r
  97                                         float curspeed;\r
  98                                         vector wishvel, wishdir;\r
  99 \r
 100                                         curspeed = max(\r
 101                                                 vlen(vec2(self.velocity)), // current xy speed\r
 102                                                 vlen(vec2(antilag_takebackavgvelocity(self, max(self.lastteleporttime + sys_frametime, time - 0.25), time))) // average xy topspeed over the last 0.25 secs\r
 103                                         );\r
 104                                         makevectors(self.v_angle_y * '0 1 0');\r
 105                                         wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
 106                                         wishdir = normalize(wishvel);\r
 107 \r
 108                                         self.velocity_x = wishdir_x * curspeed; // allow "dodging" at a multijump\r
 109                                         self.velocity_y = wishdir_y * curspeed;\r
 110                                         // keep velocity_z unchanged!\r
 111                                 }\r
 112                                 if (cvar("g_multijump") > 0)\r
 113                                         self.multijump_count += 1;\r
 114                         }\r
 115                 }\r
 116                 self.multijump_ready = FALSE; // require releasing and pressing the jump button again for the next jump\r
 117         }\r
 118 \r
 119         if (!doublejump)\r
 120                 if (!(self.flags & FL_ONGROUND))\r
 121                         return;\r
 122 \r
 123         if(!sv_pogostick)\r
 124                 if (!(self.flags & FL_JUMPRELEASED))\r
 125                         return;\r
 126 \r
 127         if(self.health <= g_bloodloss)\r
 128                 return;\r
 129 \r
 130         if(cvar_string("sv_jumpspeedcap_min") != "")\r
 131                 self.velocity_z = max(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_min"), self.velocity_z);\r
 132         if(cvar_string("sv_jumpspeedcap_max") != "") {\r
 133                 if(trace_fraction < 1 && trace_plane_normal_z < 0.98 && cvar("sv_jumpspeedcap_max_disable_on_ramps")) {\r
 134                         // don't do jump speedcaps on ramps to preserve old voretournament ramjump style\r
 135                         //print("Trace plane normal z: ", ftos(trace_plane_normal_z), ", disabling speed cap!\n");\r
 136                 }\r
 137                 else\r
 138                         self.velocity_z = min(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_max"), self.velocity_z) + trace_ent.velocity_z;\r
 139         }\r
 140 \r
 141         if(!(self.lastflags & FL_ONGROUND))\r
 142         {\r
 143                 if(cvar("speedmeter"))\r
 144                         dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
 145                 if(self.lastground < time - 0.3)\r
 146                 {\r
 147                         self.velocity_x *= (1 - cvar("sv_friction_on_land"));\r
 148                         self.velocity_y *= (1 - cvar("sv_friction_on_land"));\r
 149                 }\r
 150                 if(self.jumppadcount > 1)\r
 151                         dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
 152                 self.jumppadcount = 0;\r
 153         }\r
 154 \r
 155         self.velocity_z = self.velocity_z + mjumpheight;\r
 156         self.oldvelocity_z = self.velocity_z;\r
 157 \r
 158         self.flags &~= FL_ONGROUND;\r
 159         self.flags &~= FL_JUMPRELEASED;\r
 160 \r
 161         if (self.crouch)\r
 162                 setanim(self, self.anim_duckjump, FALSE, TRUE, TRUE);\r
 163         else\r
 164                 setanim(self, self.anim_jump, FALSE, TRUE, TRUE);\r
 165 \r
 166         if(g_jump_grunt)\r
 167                 PlayerSound(self, playersound_jump, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 168 \r
 169         self.restart_jump = -1; // restart jump anim next time\r
 170         // value -1 is used to not use the teleport bit (workaround for tiny hitch when re-jumping)\r
 171 }\r
 172 \r
 173 void CheckWaterJump()\r
 174 {\r
 175         local vector start, end;\r
 176 \r
 177 // check for a jump-out-of-water\r
 178         makevectors (self.angles);\r
 179         start = self.origin;\r
 180         start_z = start_z + 8;\r
 181         v_forward_z = 0;\r
 182         normalize(v_forward);\r
 183         end = start + v_forward*24;\r
 184         traceline (start, end, TRUE, self);\r
 185         if (trace_fraction < 1)\r
 186         {       // solid at waist\r
 187                 start_z = start_z + self.maxs_z - 8;\r
 188                 end = start + v_forward*24;\r
 189                 self.movedir = trace_plane_normal * -50;\r
 190                 traceline (start, end, TRUE, self);\r
 191                 if (trace_fraction == 1)\r
 192                 {       // open at eye level\r
 193                         self.flags |= FL_WATERJUMP;\r
 194                         self.velocity_z = 225;\r
 195                         self.flags &~= FL_JUMPRELEASED;\r
 196                         self.teleport_time = time + 2;  // safety net\r
 197                         return;\r
 198                 }\r
 199         }\r
 200 };\r
 201 \r
 202 float racecar_angle(float forward, float down)\r
 203 {\r
 204         float ret, angle_mult;\r
 205 \r
 206         if(forward < 0)\r
 207         {\r
 208                 forward = -forward;\r
 209                 down = -down;\r
 210         }\r
 211 \r
 212         ret = vectoyaw('0 1 0' * down + '1 0 0' * forward);\r
 213 \r
 214         angle_mult = forward / (800 + forward);\r
 215 \r
 216         if(ret > 180)\r
 217                 return ret * angle_mult + 360 * (1 - angle_mult);\r
 218         else\r
 219                 return ret * angle_mult;\r
 220 }\r
 221 \r
 222 void RaceCarPhysics()\r
 223 {\r
 224         // using this move type for "big rigs"\r
 225         // the engine does not push the entity!\r
 226 \r
 227         float accel, steer, f;\r
 228         vector angles_save, rigvel;\r
 229 \r
 230         angles_save = self.angles;\r
 231         accel = bound(-1, self.movement_x / sv_maxspeed, 1);\r
 232         steer = bound(-1, self.movement_y / sv_maxspeed, 1);\r
 233 \r
 234         if(g_bugrigs_reverse_speeding)\r
 235         {\r
 236                 if(accel < 0)\r
 237                 {\r
 238                         // back accel is DIGITAL\r
 239                         // to prevent speedhack\r
 240                         if(accel < -0.5)\r
 241                                 accel = -1;\r
 242                         else\r
 243                                 accel = 0;\r
 244                 }\r
 245         }\r
 246 \r
 247         self.angles_x = 0;\r
 248         self.angles_z = 0;\r
 249         makevectors(self.angles); // new forward direction!\r
 250 \r
 251         if(self.flags & FL_ONGROUND || g_bugrigs_air_steering)\r
 252         {\r
 253                 float myspeed, upspeed, steerfactor, accelfactor;\r
 254 \r
 255                 myspeed = self.velocity * v_forward;\r
 256                 upspeed = self.velocity * v_up;\r
 257 \r
 258                 // responsiveness factor for steering and acceleration\r
 259                 f = 1 / (1 + pow(max(-myspeed, myspeed) / g_bugrigs_speed_ref, g_bugrigs_speed_pow));\r
 260                 //MAXIMA: f(v) := 1 / (1 + (v / g_bugrigs_speed_ref) ^ g_bugrigs_speed_pow);\r
 261 \r
 262                 if(myspeed < 0 && g_bugrigs_reverse_spinning)\r
 263                         steerfactor = -myspeed * g_bugrigs_steer;\r
 264                 else\r
 265                         steerfactor = -myspeed * f * g_bugrigs_steer;\r
 266 \r
 267                 if(myspeed < 0 && g_bugrigs_reverse_speeding)\r
 268                         accelfactor = g_bugrigs_accel;\r
 269                 else\r
 270                         accelfactor = f * g_bugrigs_accel;\r
 271                 //MAXIMA: accel(v) := f(v) * g_bugrigs_accel;\r
 272 \r
 273                 if(accel < 0)\r
 274                 {\r
 275                         if(myspeed > 0)\r
 276                         {\r
 277                                 myspeed = max(0, myspeed - frametime * (g_bugrigs_friction_floor - g_bugrigs_friction_brake * accel));\r
 278                         }\r
 279                         else\r
 280                         {\r
 281                                 if(!g_bugrigs_reverse_speeding)\r
 282                                         myspeed = min(0, myspeed + frametime * g_bugrigs_friction_floor);\r
 283                         }\r
 284                 }\r
 285                 else\r
 286                 {\r
 287                         if(myspeed >= 0)\r
 288                         {\r
 289                                 myspeed = max(0, myspeed - frametime * g_bugrigs_friction_floor);\r
 290                         }\r
 291                         else\r
 292                         {\r
 293                                 if(g_bugrigs_reverse_stopping)\r
 294                                         myspeed = 0;\r
 295                                 else\r
 296                                         myspeed = min(0, myspeed + frametime * (g_bugrigs_friction_floor + g_bugrigs_friction_brake * accel));\r
 297                         }\r
 298                 }\r
 299                 // terminal velocity = velocity at which 50 == accelfactor, that is, 1549 units/sec\r
 300                 //MAXIMA: friction(v) := g_bugrigs_friction_floor;\r
 301 \r
 302                 self.angles_y += steer * frametime * steerfactor; // apply steering\r
 303                 makevectors(self.angles); // new forward direction!\r
 304 \r
 305                 myspeed += accel * accelfactor * frametime;\r
 306 \r
 307                 rigvel = myspeed * v_forward + '0 0 1' * upspeed;\r
 308         }\r
 309         else\r
 310         {\r
 311                 myspeed = vlen(self.velocity);\r
 312 \r
 313                 // responsiveness factor for steering and acceleration\r
 314                 f = 1 / (1 + pow(max(0, myspeed / g_bugrigs_speed_ref), g_bugrigs_speed_pow));\r
 315                 steerfactor = -myspeed * f;\r
 316                 self.angles_y += steer * frametime * steerfactor; // apply steering\r
 317 \r
 318                 rigvel = self.velocity;\r
 319                 makevectors(self.angles); // new forward direction!\r
 320         }\r
 321 \r
 322         rigvel = rigvel * max(0, 1 - vlen(rigvel) * g_bugrigs_friction_air * frametime);\r
 323         //MAXIMA: airfriction(v) := v * v * g_bugrigs_friction_air;\r
 324         //MAXIMA: total_acceleration(v) := accel(v) - friction(v) - airfriction(v);\r
 325         //MAXIMA: solve(total_acceleration(v) = 0, v);\r
 326 \r
 327         if(g_bugrigs_planar_movement)\r
 328         {\r
 329                 vector rigvel_xy, neworigin, up;\r
 330                 float mt;\r
 331 \r
 332                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better\r
 333                 rigvel_xy = rigvel;\r
 334                 rigvel_xy_z = 0;\r
 335 \r
 336                 if(g_bugrigs_planar_movement_car_jumping && !g_touchexplode) // touchexplode is a better way to handle collisions\r
 337                         mt = MOVE_NORMAL;\r
 338                 else\r
 339                         mt = MOVE_NOMONSTERS;\r
 340 \r
 341                 tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 1024', mt, self);\r
 342                 up = trace_endpos - self.origin;\r
 343 \r
 344                 // BUG RIGS: align the move to the surface instead of doing collision testing\r
 345                 // can we move?\r
 346                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos + rigvel_xy * frametime, mt, self);\r
 347 \r
 348                 // align to surface\r
 349                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos - up + '0 0 1' * rigvel_z * frametime, mt, self);\r
 350 \r
 351                 if(trace_fraction < 0.5)\r
 352                 {\r
 353                         trace_fraction = 1;\r
 354                         neworigin = self.origin;\r
 355                 }\r
 356                 else\r
 357                         neworigin = trace_endpos;\r
 358 \r
 359                 if(trace_fraction < 1)\r
 360                 {\r
 361                         // now set angles_x so that the car points parallel to the surface\r
 362                         self.angles = vectoangles(\r
 363                                         '1 0 0' * v_forward_x * trace_plane_normal_z\r
 364                                         +\r
 365                                         '0 1 0' * v_forward_y * trace_plane_normal_z\r
 366                                         +\r
 367                                         '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y)\r
 368                                         );\r
 369                         self.flags |= FL_ONGROUND;\r
 370                 }\r
 371                 else\r
 372                 {\r
 373                         // now set angles_x so that the car points forward, but is tilted in velocity direction\r
 374                         self.flags &~= FL_ONGROUND;\r
 375                 }\r
 376 \r
 377                 self.velocity = (neworigin - self.origin) * (1.0 / frametime);\r
 378                 self.movetype = MOVETYPE_NOCLIP;\r
 379         }\r
 380         else\r
 381         {\r
 382                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better\r
 383                 self.velocity = rigvel;\r
 384                 self.movetype = MOVETYPE_FLY;\r
 385         }\r
 386 \r
 387         trace_fraction = 1;\r
 388         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 4', MOVE_NORMAL, self);\r
 389         if(trace_fraction != 1)\r
 390         {\r
 391                 self.angles = vectoangles2(\r
 392                                 '1 0 0' * v_forward_x * trace_plane_normal_z\r
 393                                 +\r
 394                                 '0 1 0' * v_forward_y * trace_plane_normal_z\r
 395                                 +\r
 396                                 '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y),\r
 397                                 trace_plane_normal\r
 398                                 );\r
 399         }\r
 400         else\r
 401         {\r
 402                 vector vel_local;\r
 403 \r
 404                 vel_local_x = v_forward * self.velocity;\r
 405                 vel_local_y = v_right * self.velocity;\r
 406                 vel_local_z = v_up * self.velocity;\r
 407 \r
 408                 self.angles_x = racecar_angle(vel_local_x, vel_local_z);\r
 409                 self.angles_z = racecar_angle(-vel_local_y, vel_local_z);\r
 410         }\r
 411 \r
 412         // smooth the angles\r
 413         vector vf1, vu1, smoothangles;\r
 414         makevectors(self.angles);\r
 415         f = bound(0, frametime * g_bugrigs_angle_smoothing, 1);\r
 416         if(f == 0)\r
 417                 f = 1;\r
 418         vf1 = v_forward * f;\r
 419         vu1 = v_up * f;\r
 420         makevectors(angles_save);\r
 421         vf1 = vf1 + v_forward * (1 - f);\r
 422         vu1 = vu1 + v_up * (1 - f);\r
 423         smoothangles = vectoangles2(vf1, vu1);\r
 424         self.angles_x = -smoothangles_x;\r
 425         self.angles_z =  smoothangles_z;\r
 426 }\r
 427 \r
 428 float IsMoveInDirection(vector mv, float angle) // key mix factor\r
 429 {\r
 430         if(mv_x == 0 && mv_y == 0)\r
 431                 return 0; // avoid division by zero\r
 432         angle = RAD2DEG * atan2(mv_y, mv_x);\r
 433         angle = remainder(angle, 360) / 45;\r
 434         if(angle >  1)\r
 435                 return 0;\r
 436         if(angle < -1)\r
 437                 return 0;\r
 438         return 1 - fabs(angle);\r
 439 }\r
 440 \r
 441 void CPM_PM_Aircontrol(vector wishdir, float wishspeed)\r
 442 {\r
 443         float zspeed, xyspeed, dot, k;\r
 444 \r
 445 #if 0\r
 446         // this doesn't play well with analog input\r
 447         if(self.movement_x == 0 || self.movement_y != 0)\r
 448                 return; // can't control movement if not moving forward or backward\r
 449         k = 32;\r
 450 #else\r
 451         k = 32 * (2 * IsMoveInDirection(self.movement, 0) - 1);\r
 452         if(k <= 0)\r
 453                 return;\r
 454 #endif\r
 455 \r
 456         k *= bound(0, wishspeed / sv_maxairspeed, 1);\r
 457 \r
 458         zspeed = self.velocity_z;\r
 459         self.velocity_z = 0;\r
 460         xyspeed = vlen(self.velocity); self.velocity = normalize(self.velocity);\r
 461 \r
 462         dot = self.velocity * wishdir;\r
 463         k *= sv_aircontrol*dot*dot*frametime;\r
 464 \r
 465         if(dot > 0) // we can't change direction while slowing down\r
 466         {\r
 467                 self.velocity = normalize(self.velocity * xyspeed + wishdir * k);\r
 468         }\r
 469 \r
 470         self.velocity = self.velocity * xyspeed;\r
 471         self.velocity_z = zspeed;\r
 472 }\r
 473 \r
 474 // example config for alternate speed clamping:\r
 475 //   sv_airaccel_qw 0.8\r
 476 //   sv_airaccel_sideways_friction 0\r
 477 //   prvm_globalset server speedclamp_mode 1\r
 478 //     (or 2)\r
 479 void PM_Accelerate(vector wishdir, float wishspeed, float wishspeed0, float accel, float accelqw, float sidefric)\r
 480 {\r
 481         float vel_straight;\r
 482         float vel_z;\r
 483         vector vel_perpend;\r
 484         float step;\r
 485 \r
 486         vector vel_xy;\r
 487         float vel_xy_current;\r
 488         float vel_xy_backward, vel_xy_forward;\r
 489         float speedclamp;\r
 490 \r
 491         speedclamp = (accelqw < 0);\r
 492         if(speedclamp)\r
 493                 accelqw = -accelqw;\r
 494 \r
 495         if(cvar("sv_gameplayfix_q2airaccelerate"))\r
 496                 wishspeed0 = wishspeed;\r
 497 \r
 498         vel_straight = self.velocity * wishdir;\r
 499         vel_z = self.velocity_z;\r
 500         vel_xy = self.velocity - vel_z * '0 0 1';\r
 501         vel_perpend = vel_xy - vel_straight * wishdir;\r
 502 \r
 503         step = accel * frametime * wishspeed0;\r
 504 \r
 505         vel_xy_current  = vlen(vel_xy);\r
 506         vel_xy_forward  = vel_xy_current + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);\r
 507         vel_xy_backward = vel_xy_current - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);\r
 508         if(vel_xy_backward < 0)\r
 509                 vel_xy_backward = 0; // not that it REALLY occurs that this would cause wrong behaviour afterwards\r
 510 \r
 511         vel_straight = vel_straight + bound(0, wishspeed - vel_straight, step) * accelqw + step * (1 - accelqw);\r
 512 \r
 513         if(sidefric < 0 && (vel_perpend*vel_perpend))\r
 514                 // negative: only apply so much sideways friction to stay below the speed you could get by "braking"\r
 515         {\r
 516                 float f, fminimum;\r
 517                 f = max(0, 1 + frametime * wishspeed * sidefric);\r
 518                 fminimum = (vel_xy_backward*vel_xy_backward - vel_straight*vel_straight) / (vel_perpend*vel_perpend);\r
 519                 // this cannot be > 1\r
 520                 if(fminimum <= 0)\r
 521                         vel_perpend = vel_perpend * max(0, f);\r
 522                 else\r
 523                 {\r
 524                         fminimum = sqrt(fminimum);\r
 525                         vel_perpend = vel_perpend * max(fminimum, f);\r
 526                 }\r
 527         }\r
 528         else\r
 529                 vel_perpend = vel_perpend * max(0, 1 - frametime * wishspeed * sidefric);\r
 530         \r
 531         vel_xy = vel_straight * wishdir + vel_perpend;\r
 532         \r
 533         if(speedclamp)\r
 534         {\r
 535                 // ensure we don't get too fast or decelerate faster than we should\r
 536                 vel_xy_current = min(vlen(vel_xy), vel_xy_forward);\r
 537                 if(vel_xy_current > 0) // prevent division by zero\r
 538                         vel_xy = normalize(vel_xy) * vel_xy_current;\r
 539         }\r
 540 \r
 541         self.velocity = vel_xy + vel_z * '0 0 1';\r
 542 }\r
 543 \r
 544 void PM_AirAccelerate(vector wishdir, float wishspeed)\r
 545 {\r
 546         vector curvel, wishvel, acceldir, curdir;\r
 547         float addspeed, accelspeed, curspeed, f;\r
 548         float dot;\r
 549 \r
 550         if(wishspeed == 0)\r
 551                 return;\r
 552 \r
 553         curvel = self.velocity;\r
 554         curvel_z = 0;\r
 555         curspeed = vlen(curvel);\r
 556 \r
 557         if(wishspeed > curspeed * 1.01)\r
 558         {\r
 559                 wishspeed = min(wishspeed, curspeed + sv_warsowbunny_airforwardaccel * sv_maxspeed * frametime);\r
 560         }\r
 561         else\r
 562         {\r
 563                 f = max(0, (sv_warsowbunny_topspeed - curspeed) / (sv_warsowbunny_topspeed - sv_maxspeed));\r
 564                 wishspeed = max(curspeed, sv_maxspeed) + sv_warsowbunny_accel * f * sv_maxspeed * frametime;\r
 565         }\r
 566         wishvel = wishdir * wishspeed;\r
 567         acceldir = wishvel - curvel;\r
 568         addspeed = vlen(acceldir);\r
 569         acceldir = normalize(acceldir);\r
 570 \r
 571         accelspeed = min(addspeed, sv_warsowbunny_turnaccel * sv_maxspeed * frametime);\r
 572 \r
 573         if(sv_warsowbunny_backtosideratio < 1)\r
 574         {\r
 575                 curdir = normalize(curvel);\r
 576                 dot = acceldir * curdir;\r
 577                 if(dot < 0)\r
 578                         acceldir = acceldir - (1 - sv_warsowbunny_backtosideratio) * dot * curdir;\r
 579         }\r
 580 \r
 581         self.velocity += accelspeed * acceldir;\r
 582 }\r
 583 \r
 584 .vector movement_old;\r
 585 .float buttons_old;\r
 586 .vector v_angle_old;\r
 587 .string lastclassname;\r
 588 \r
 589 .float() PlayerPhysplug;\r
 590 \r
 591 string specialcommand = "xwxwxsxsxaxdxaxdx1x ";\r
 592 .float specialcommand_pos;\r
 593 void SpecialCommand()\r
 594 {\r
 595 #ifdef TETRIS\r
 596         TetrisImpulse();\r
 597 #else\r
 598         if(!CheatImpulse(99))\r
 599                 print("A hollow voice says \"Plugh\".\n");\r
 600 #endif\r
 601 }\r
 602 \r
 603 float speedaward_speed;\r
 604 string speedaward_holder;\r
 605 void race_send_speedaward(float msg)\r
 606 {\r
 607         // send the best speed of the round\r
 608         WriteByte(msg, SVC_TEMPENTITY);\r
 609         WriteByte(msg, TE_CSQC_RACE);\r
 610         WriteByte(msg, RACE_NET_SPEED_AWARD);\r
 611         WriteInt24_t(msg, floor(speedaward_speed+0.5));\r
 612         WriteString(msg, speedaward_holder);\r
 613 }\r
 614 \r
 615 float speedaward_alltimebest;\r
 616 string speedaward_alltimebest_holder;\r
 617 void race_send_speedaward_alltimebest(float msg)\r
 618 {\r
 619         // send the best speed\r
 620         WriteByte(msg, SVC_TEMPENTITY);\r
 621         WriteByte(msg, TE_CSQC_RACE);\r
 622         WriteByte(msg, RACE_NET_SPEED_AWARD_BEST);\r
 623         WriteInt24_t(msg, floor(speedaward_alltimebest+0.5));\r
 624         WriteString(msg, speedaward_alltimebest_holder);\r
 625 }\r
 626 \r
 627 string GetMapname(void);\r
 628 float speedaward_lastupdate;\r
 629 float speedaward_lastsent;\r
 630 .float jumppadusetime;\r
 631 void SV_PlayerPhysics()\r
 632 {\r
 633         local vector wishvel, wishdir, v;\r
 634         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, buttons;\r
 635         string temps;\r
 636         float buttons_prev;\r
 637         float not_allowed_to_move;\r
 638         string c;\r
 639 \r
 640     if(self.PlayerPhysplug)\r
 641         if(self.PlayerPhysplug())\r
 642             return;\r
 643 \r
 644         self.race_movetime_frac += frametime;\r
 645         f = floor(self.race_movetime_frac);\r
 646         self.race_movetime_frac -= f;\r
 647         self.race_movetime_count += f;\r
 648         self.race_movetime = self.race_movetime_frac + self.race_movetime_count;\r
 649 \r
 650         anticheat_physics();\r
 651 \r
 652         buttons = self.BUTTON_ATCK + 2 * self.BUTTON_JUMP + 4 * self.BUTTON_ATCK2 + 8 * self.BUTTON_ZOOM + 16 * self.BUTTON_CROUCH + 32 * self.BUTTON_JETPACK + 64 * self.BUTTON_USE + 128 * (self.movement_x < 0) + 256 * (self.movement_x > 0) + 512 * (self.movement_y < 0) + 1024 * (self.movement_y > 0);\r
 653 \r
 654         if(!buttons)\r
 655                 c = "x";\r
 656         else if(buttons == 1)\r
 657                 c = "1";\r
 658         else if(buttons == 2)\r
 659                 c = " ";\r
 660         else if(buttons == 128)\r
 661                 c = "s";\r
 662         else if(buttons == 256)\r
 663                 c = "w";\r
 664         else if(buttons == 512)\r
 665                 c = "a";\r
 666         else if(buttons == 1024)\r
 667                 c = "d";\r
 668         else\r
 669                 c = "?";\r
 670 \r
 671         if(c == substring(specialcommand, self.specialcommand_pos, 1))\r
 672         {\r
 673                 self.specialcommand_pos += 1;\r
 674                 if(self.specialcommand_pos >= strlen(specialcommand))\r
 675                 {\r
 676                         self.specialcommand_pos = 0;\r
 677                         SpecialCommand();\r
 678                         return;\r
 679                 }\r
 680         }\r
 681         else if(self.specialcommand_pos && (c != substring(specialcommand, self.specialcommand_pos - 1, 1)))\r
 682                 self.specialcommand_pos = 0;\r
 683 \r
 684         if(!sv_maxidle_spectatorsareidle || self.movetype == MOVETYPE_WALK)\r
 685         {\r
 686                 if(buttons != self.buttons_old || self.movement != self.movement_old || self.v_angle != self.v_angle_old)\r
 687                         self.parm_idlesince = time;\r
 688         }\r
 689         buttons_prev = self.buttons_old;\r
 690         self.buttons_old = buttons;\r
 691         self.movement_old = self.movement;\r
 692         self.v_angle_old = self.v_angle;\r
 693 \r
 694         if(time < self.nickspamtime)\r
 695         if(self.nickspamcount >= cvar("g_nick_flood_penalty_yellow"))\r
 696         {\r
 697                 // slight annoyance for nick change scripts\r
 698                 self.movement = -1 * self.movement;\r
 699                 self.BUTTON_ATCK = self.BUTTON_JUMP = self.BUTTON_ATCK2 = self.BUTTON_ZOOM = self.BUTTON_CROUCH = self.BUTTON_JETPACK = self.BUTTON_USE = 0;\r
 700 \r
 701                 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!\r
 702                 {\r
 703                         self.angles_x = random() * 360;\r
 704                         self.angles_y = random() * 360;\r
 705                         // at least I'm not forcing retardedview by also assigning to angles_z\r
 706                         self.fixangle = 1;\r
 707                 }\r
 708         }\r
 709 \r
 710         if (self.punchangle != '0 0 0')\r
 711         {\r
 712                 f = vlen(self.punchangle) - 15 * frametime;\r
 713                 if (f > 0)\r
 714                         self.punchangle = normalize(self.punchangle) * f;\r
 715                 else\r
 716                         self.punchangle = '0 0 0';\r
 717         }\r
 718 \r
 719         if (self.punchvector != '0 0 0')\r
 720         {\r
 721                 f = vlen(self.punchvector) - 30 * frametime;\r
 722                 if (f > 0)\r
 723                         self.punchvector = normalize(self.punchvector) * f;\r
 724                 else\r
 725                         self.punchvector = '0 0 0';\r
 726         }\r
 727 \r
 728         if (clienttype(self) == CLIENTTYPE_BOT)\r
 729         {\r
 730                 if(playerdemo_read())\r
 731                         return;\r
 732                 bot_think();\r
 733         }\r
 734 \r
 735         self.items &~= IT_USING_JETPACK;\r
 736 \r
 737         if(self.classname == "player")\r
 738         {\r
 739                 if(self.race_penalty)\r
 740                         if(time > self.race_penalty)\r
 741                                 self.race_penalty = 0;\r
 742 \r
 743                 not_allowed_to_move = 0;\r
 744                 if(self.race_penalty)\r
 745                         not_allowed_to_move = 1;\r
 746                 if(!cvar("sv_ready_restart_after_countdown"))\r
 747                 if(time < game_starttime)\r
 748                         not_allowed_to_move = 1;\r
 749 \r
 750                 if(not_allowed_to_move)\r
 751                 {\r
 752                         self.velocity = '0 0 0';\r
 753                         self.movetype = MOVETYPE_NONE;\r
 754                         self.disableclientprediction = 2;\r
 755                 }\r
 756                 else if(self.disableclientprediction == 2)\r
 757                 {\r
 758                         if(self.movetype == MOVETYPE_NONE)\r
 759                                 self.movetype = MOVETYPE_WALK;\r
 760                         self.disableclientprediction = 0;\r
 761                 }\r
 762         }\r
 763 \r
 764         if(self.predator.classname == "player" || self.fakepredator.classname == "player")\r
 765                 return;\r
 766 \r
 767         if (self.movetype == MOVETYPE_NONE)\r
 768                 return;\r
 769 \r
 770         maxspd_mod = 1;\r
 771 \r
 772         swampspd_mod = 1;\r
 773         if(self.in_swamp) {\r
 774                 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");\r
 775         }\r
 776 \r
 777         if(self.classname != "player")\r
 778         {\r
 779                 maxspd_mod = cvar("sv_spectator_speed_multiplier");\r
 780                 if(!self.spectatorspeed)\r
 781                         self.spectatorspeed = maxspd_mod;\r
 782                 if(self.impulse && self.impulse <= 19)\r
 783                 {\r
 784                         if(self.lastclassname != "player")\r
 785                         {\r
 786                                 if(self.impulse == 10 || self.impulse == 15 || self.impulse == 18)\r
 787                                         self.spectatorspeed = bound(1, self.spectatorspeed + 0.5, 5);\r
 788                                 else if(self.impulse == 11)\r
 789                                         self.spectatorspeed = maxspd_mod;\r
 790                                 else if(self.impulse == 12 || self.impulse == 16  || self.impulse == 19)\r
 791                                         self.spectatorspeed = bound(1, self.spectatorspeed - 0.5, 5);\r
 792                                 else if(self.impulse >= 1 && self.impulse <= 9)\r
 793                                         self.spectatorspeed = 1 + 0.5 * (self.impulse - 1);\r
 794                         } // otherwise just clear\r
 795                         self.impulse = 0;\r
 796                 }\r
 797                 maxspd_mod = self.spectatorspeed;\r
 798         }\r
 799 \r
 800         spd = max(sv_maxspeed, sv_maxairspeed) * maxspd_mod * swampspd_mod;\r
 801         if(self.speed != spd)\r
 802         {\r
 803                 self.speed = spd;\r
 804                 temps = ftos(spd);\r
 805                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));\r
 806                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));\r
 807                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));\r
 808                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));\r
 809         }\r
 810 \r
 811         maxspd_mod *= swampspd_mod; // only one common speed modder please!\r
 812         if(cvar("g_balance_vore_weight_gravity") > 0)\r
 813                 maxspd_mod *= 1 - bound(0, self.stomach_load * cvar("g_balance_vore_weight_speed"), 1); // apply stomach weight\r
 814         swampspd_mod = 1;\r
 815 \r
 816         // if dead, behave differently\r
 817         if (self.deadflag)\r
 818                 goto end;\r
 819 \r
 820         if (!self.fixangle && !g_bugrigs)\r
 821         {\r
 822                 self.angles_x = 0;\r
 823                 self.angles_y = self.v_angle_y;\r
 824                 self.angles_z = 0;\r
 825         }\r
 826 \r
 827         if(self.flags & FL_ONGROUND)\r
 828         if(self.wasFlying)\r
 829         {\r
 830                 self.wasFlying = 0;\r
 831 \r
 832                 if(self.waterlevel < WATERLEVEL_SWIMMING)\r
 833                 if(time >= self.ladder_time)\r
 834                 if not(self.grabber)\r
 835                 {\r
 836                         self.nextstep = time + 0.3 + random() * 0.1;\r
 837                         trace_dphitq3surfaceflags = 0;\r
 838                         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 1', MOVE_NOMONSTERS, self);\r
 839                         if not(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOSTEPS)\r
 840                         {\r
 841                                 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)\r
 842                                         GlobalSound(globalsound_metalfall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 843                                 else\r
 844                                         GlobalSound(globalsound_fall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 845                         }\r
 846                 }\r
 847         }\r
 848 \r
 849         if(IsFlying(self))\r
 850                 self.wasFlying = 1;\r
 851 \r
 852         if(self.classname == "player")\r
 853         {\r
 854                 if(self.flags & FL_ONGROUND)\r
 855                 {\r
 856                         if (cvar("g_multijump") > 0)\r
 857                                 self.multijump_count = 0;\r
 858                         else\r
 859                                 self.multijump_count = -2; // the cvar value for infinite jumps is -1, so this needs to be smaller\r
 860                 }\r
 861 \r
 862                 if (self.BUTTON_JUMP)\r
 863                         PlayerJump ();\r
 864                 else\r
 865                         self.flags |= FL_JUMPRELEASED;\r
 866 \r
 867                 if (self.waterlevel == WATERLEVEL_SWIMMING)\r
 868                         CheckWaterJump ();\r
 869                 self.prevjumpbutton = self.BUTTON_JUMP;\r
 870         }\r
 871 \r
 872         if (self.flags & FL_WATERJUMP )\r
 873         {\r
 874                 self.velocity_x = self.movedir_x;\r
 875                 self.velocity_y = self.movedir_y;\r
 876                 if (time > self.teleport_time || self.waterlevel == WATERLEVEL_NONE)\r
 877                 {\r
 878                         self.flags &~= FL_WATERJUMP;\r
 879                         self.teleport_time = 0;\r
 880                 }\r
 881         }\r
 882         else if (g_bugrigs && self.classname == "player")\r
 883         {\r
 884                 RaceCarPhysics();\r
 885         }\r
 886         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY)\r
 887         {\r
 888                 // noclipping or flying\r
 889                 self.flags &~= FL_ONGROUND;\r
 890 \r
 891                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 892                 makevectors(self.v_angle);\r
 893                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 894                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 895                 // acceleration\r
 896                 wishdir = normalize(wishvel);\r
 897                 wishspeed = vlen(wishvel);\r
 898                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 899                         wishspeed = sv_maxspeed*maxspd_mod;\r
 900                 if (time >= self.teleport_time)\r
 901                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 902         }\r
 903         else if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
 904         {\r
 905                 // swimming\r
 906                 self.flags &~= FL_ONGROUND;\r
 907 \r
 908                 makevectors(self.v_angle);\r
 909                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 910                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 911                 if (wishvel == '0 0 0')\r
 912                         wishvel = '0 0 -60'; // drift towards bottom\r
 913 \r
 914                 wishdir = normalize(wishvel);\r
 915                 wishspeed = vlen(wishvel);\r
 916                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 917                         wishspeed = sv_maxspeed*maxspd_mod;\r
 918                 wishspeed = wishspeed * 0.7;\r
 919 \r
 920                 // water friction\r
 921                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 922 \r
 923                 // water acceleration\r
 924                 PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 925         }\r
 926         else if (time < self.ladder_time)\r
 927         {\r
 928                 // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water\r
 929                 self.flags &~= FL_ONGROUND;\r
 930 \r
 931                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 932                 makevectors(self.v_angle);\r
 933                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 934                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 935                 if (self.gravity)\r
 936                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;\r
 937                 else\r
 938                         self.velocity_z = self.velocity_z + sv_gravity * frametime;\r
 939                 if (self.ladder_entity.classname == "func_water")\r
 940                 {\r
 941                         f = vlen(wishvel);\r
 942                         if (f > self.ladder_entity.speed)\r
 943                                 wishvel = wishvel * (self.ladder_entity.speed / f);\r
 944 \r
 945                         self.watertype = self.ladder_entity.skin;\r
 946                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;\r
 947                         if ((self.origin_z + self.view_ofs_z) < f)\r
 948                                 self.waterlevel = WATERLEVEL_SUBMERGED;\r
 949                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)\r
 950                                 self.waterlevel = WATERLEVEL_SWIMMING;\r
 951                         else if ((self.origin_z + self.mins_z + 1) < f)\r
 952                                 self.waterlevel = WATERLEVEL_WETFEET;\r
 953                         else\r
 954                         {\r
 955                                 self.waterlevel = WATERLEVEL_NONE;\r
 956                                 self.watertype = CONTENT_EMPTY;\r
 957                         }\r
 958                 }\r
 959                 // acceleration\r
 960                 wishdir = normalize(wishvel);\r
 961                 wishspeed = vlen(wishvel);\r
 962                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 963                         wishspeed = sv_maxspeed*maxspd_mod;\r
 964                 if (time >= self.teleport_time)\r
 965                 {\r
 966                         // water acceleration\r
 967                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 968                 }\r
 969         }\r
 970         else if ((self.items & IT_JETPACK) && self.BUTTON_JETPACK && (!cvar("g_jetpack_fuel") || self.ammo_fuel >= 0.01 || self.items & IT_UNLIMITED_WEAPON_AMMO) && self.predator.classname != "player")\r
 971         {\r
 972                 //makevectors(self.v_angle_y * '0 1 0');\r
 973                 makevectors(self.v_angle);\r
 974                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
 975                 // add remaining speed as Z component\r
 976                 maxairspd = sv_maxairspeed*max(1, maxspd_mod);\r
 977                 // fix speedhacks :P\r
 978                 wishvel = normalize(wishvel) * min(vlen(wishvel) / maxairspd, 1);\r
 979                 // add the unused velocity as up component\r
 980                 wishvel_z = 0;\r
 981 \r
 982                 // if(self.BUTTON_JUMP)\r
 983                         wishvel_z = sqrt(max(0, 1 - wishvel * wishvel));\r
 984 \r
 985                 // it is now normalized, so...\r
 986                 float a_side, a_up, a_add, a_diff;\r
 987                 a_side = cvar("g_jetpack_acceleration_side");\r
 988                 a_up = cvar("g_jetpack_acceleration_up");\r
 989                 a_add = cvar("g_jetpack_antigravity") * sv_gravity;\r
 990 \r
 991                 wishvel_x *= a_side;\r
 992                 wishvel_y *= a_side;\r
 993                 wishvel_z *= a_up;\r
 994                 wishvel_z += a_add;\r
 995 \r
 996                 float best;\r
 997                 best = 0;\r
 998                 //////////////////////////////////////////////////////////////////////////////////////\r
 999                 // finding the maximum over all vectors of above form\r
1000                 // with wishvel having an absolute value of 1\r
1001                 //////////////////////////////////////////////////////////////////////////////////////\r
1002                 // we're finding the maximum over\r
1003                 //   f(a_side, a_up, a_add, z) := a_side * (1 - z^2) + (a_add + a_up * z)^2;\r
1004                 // for z in the range from -1 to 1\r
1005                 //////////////////////////////////////////////////////////////////////////////////////\r
1006                 // maximum is EITHER attained at the single extreme point:\r
1007                 a_diff = a_side * a_side - a_up * a_up;\r
1008                 if(a_diff != 0)\r
1009                 {\r
1010                         f = a_add * a_up / a_diff; // this is the zero of diff(f(a_side, a_up, a_add, z), z)\r
1011                         if(f > -1 && f < 1) // can it be attained?\r
1012                         {\r
1013                                 best = (a_diff + a_add * a_add) * (a_diff + a_up * a_up) / a_diff;\r
1014                                 //print("middle\n");\r
1015                         }\r
1016                 }\r
1017                 // OR attained at z = 1:\r
1018                 f = (a_up + a_add) * (a_up + a_add);\r
1019                 if(f > best)\r
1020                 {\r
1021                         best = f;\r
1022                         //print("top\n");\r
1023                 }\r
1024                 // OR attained at z = -1:\r
1025                 f = (a_up - a_add) * (a_up - a_add);\r
1026                 if(f > best)\r
1027                 {\r
1028                         best = f;\r
1029                         //print("bottom\n");\r
1030                 }\r
1031                 best = sqrt(best);\r
1032                 //////////////////////////////////////////////////////////////////////////////////////\r
1033 \r
1034                 //print("best possible acceleration: ", ftos(best), "\n");\r
1035 \r
1036                 float fxy, fz;\r
1037                 fxy = bound(0, 1 - (self.velocity * normalize(wishvel_x * '1 0 0' + wishvel_y * '0 1 0')) / cvar("g_jetpack_maxspeed_side"), 1);\r
1038                 if(wishvel_z - sv_gravity > 0)\r
1039                         fz = bound(0, 1 - self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1040                 else\r
1041                         fz = bound(0, 1 + self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1042 \r
1043                 float fvel;\r
1044                 fvel = vlen(wishvel);\r
1045                 wishvel_x *= fxy;\r
1046                 wishvel_y *= fxy;\r
1047                 wishvel_z = (wishvel_z - sv_gravity) * fz + sv_gravity;\r
1048 \r
1049                 fvel = min(1, vlen(wishvel) / best);\r
1050                 if(cvar("g_jetpack_fuel") && !(self.items & IT_UNLIMITED_WEAPON_AMMO))\r
1051                         f = min(1, self.ammo_fuel / (cvar("g_jetpack_fuel") * frametime * fvel));\r
1052                 else\r
1053                         f = 1;\r
1054 \r
1055                 //print("this acceleration: ", ftos(vlen(wishvel) * f), "\n");\r
1056 \r
1057                 if (f > 0 && wishvel != '0 0 0')\r
1058                 {\r
1059                         self.velocity = self.velocity + wishvel * f * frametime;\r
1060                         if not(self.items & IT_UNLIMITED_WEAPON_AMMO)\r
1061                                 self.ammo_fuel -= cvar("g_jetpack_fuel") * frametime * fvel * f;\r
1062                         self.flags &~= FL_ONGROUND;\r
1063                         self.items |= IT_USING_JETPACK;\r
1064 \r
1065                         // jetpack also inhibits health regeneration, but only for 1 second\r
1066                         self.pauseregenhealth_finished = max(self.pauseregenhealth_finished, time + cvar("g_balance_pause_fuel_regen"));\r
1067                 }\r
1068         }\r
1069         else if (self.flags & FL_ONGROUND)\r
1070         {\r
1071                 // we get here if we ran out of ammo\r
1072                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && self.predator.classname != "player")\r
1073                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1074 \r
1075                 // walking\r
1076                 makevectors(self.v_angle_y * '0 1 0');\r
1077                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1078 \r
1079                 if(!(self.lastflags & FL_ONGROUND))\r
1080                 {\r
1081                         if(cvar("speedmeter"))\r
1082                                 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
1083                         if(self.lastground < time - 0.3)\r
1084                                 self.velocity = self.velocity * (1 - cvar("sv_friction_on_land"));\r
1085                         if(self.jumppadcount > 1)\r
1086                                 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
1087                         self.jumppadcount = 0;\r
1088                 }\r
1089 \r
1090 #ifdef LETS_TEST_FTEQCC\r
1091                 if(self.velocity_x || self.velocity_y)\r
1092                 {\r
1093                         // good\r
1094                 }\r
1095                 else\r
1096                 {\r
1097                         if(self.velocity_x)\r
1098                                 checkclient();\r
1099                         if(self.velocity_y)\r
1100                                 checkclient();\r
1101                 }\r
1102 #endif\r
1103 \r
1104                 v = self.velocity;\r
1105                 v_z = 0;\r
1106                 f = vlen(v);\r
1107                 if(f > 0)\r
1108                 {\r
1109                         if (f < sv_stopspeed)\r
1110                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;\r
1111                         else\r
1112                                 f = 1 - frametime * sv_friction;\r
1113                         if (f > 0)\r
1114                                 self.velocity = self.velocity * f;\r
1115                         else\r
1116                                 self.velocity = '0 0 0';\r
1117                 }\r
1118 \r
1119                 // acceleration\r
1120                 wishdir = normalize(wishvel);\r
1121                 wishspeed = vlen(wishvel);\r
1122                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1123                         wishspeed = sv_maxspeed*maxspd_mod;\r
1124                 if (self.crouch)\r
1125                         wishspeed = wishspeed * 0.5;\r
1126                 if (time >= self.teleport_time)\r
1127                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1128         }\r
1129         else\r
1130         {\r
1131                 float wishspeed0;\r
1132                 // we get here if we ran out of ammo\r
1133                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && self.predator.classname != "player")\r
1134                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1135 \r
1136                 if(maxspd_mod < 1)\r
1137                 {\r
1138                         maxairspd = sv_maxairspeed*maxspd_mod;\r
1139                         airaccel = sv_airaccelerate*maxspd_mod;\r
1140                 }\r
1141                 else\r
1142                 {\r
1143                         maxairspd = sv_maxairspeed;\r
1144                         airaccel = sv_airaccelerate;\r
1145                 }\r
1146                 // airborn\r
1147                 makevectors(self.v_angle_y * '0 1 0');\r
1148                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1149                 // acceleration\r
1150                 wishdir = normalize(wishvel);\r
1151                 wishspeed = wishspeed0 = vlen(wishvel);\r
1152                 if (wishspeed0 > sv_maxspeed*maxspd_mod)\r
1153                         wishspeed0 = sv_maxspeed*maxspd_mod;\r
1154                 if (wishspeed > maxairspd)\r
1155                         wishspeed = maxairspd;\r
1156                 if (self.crouch)\r
1157                         wishspeed = wishspeed * 0.5;\r
1158                 if (time >= self.teleport_time)\r
1159                 {\r
1160                         float accelerating;\r
1161                         float wishspeed2;\r
1162                         float airaccelqw;\r
1163 \r
1164                         airaccelqw = sv_airaccel_qw;\r
1165                         accelerating = (self.velocity * wishdir > 0);\r
1166                         wishspeed2 = wishspeed;\r
1167 \r
1168                         // CPM\r
1169                         if(sv_airstopaccelerate)\r
1170                                 if(self.velocity * wishdir < 0)\r
1171                                         airaccel = sv_airstopaccelerate*maxspd_mod;\r
1172                         // this doesn't play well with analog input, but can't r\r
1173                         // fixed like the AirControl can. So, don't set the maxa\r
1174                         // cvars when you want to support analog input.\r
1175                         if(self.movement_x == 0 && self.movement_y != 0)\r
1176                         {\r
1177                                 if(sv_maxairstrafespeed)\r
1178                                 {\r
1179                                         wishspeed = min(wishspeed, sv_maxairstrafespeed*maxspd_mod);\r
1180                                         if(sv_maxairstrafespeed < sv_maxairspeed)\r
1181                                                 airaccelqw = 1;\r
1182                                 }\r
1183                                 if(sv_airstrafeaccelerate)\r
1184                                 {\r
1185                                         airaccel = sv_airstrafeaccelerate*maxspd_mod;\r
1186                                         if(sv_airstrafeaccelerate > sv_airaccelerate)\r
1187                                                 airaccelqw = 1;\r
1188                                 }\r
1189                         }\r
1190                         // !CPM\r
1191 \r
1192                         if(sv_warsowbunny_turnaccel && accelerating && self.movement_y == 0 && self.movement_x != 0)\r
1193                                 PM_AirAccelerate(wishdir, wishspeed);\r
1194                         else\r
1195                                 PM_Accelerate(wishdir, wishspeed, wishspeed0, airaccel, airaccelqw, sv_airaccel_sideways_friction / maxairspd);\r
1196 \r
1197                         if(sv_aircontrol)\r
1198                                 CPM_PM_Aircontrol(wishdir, wishspeed2);\r
1199                 }\r
1200         }\r
1201 \r
1202         if((g_cts || g_race) && self.classname != "observer") {\r
1203                 if(vlen(self.velocity - self.velocity_z * '0 0 1') > speedaward_speed) {\r
1204                         speedaward_speed = vlen(self.velocity - self.velocity_z * '0 0 1');\r
1205                         speedaward_holder = self.netname;\r
1206                         speedaward_lastupdate = time;\r
1207                 }\r
1208                 if(speedaward_speed > speedaward_lastsent && time - speedaward_lastupdate > 1) {\r
1209                         string rr;\r
1210                         if(g_cts)\r
1211                                 rr = CTS_RECORD;\r
1212                         else\r
1213                                 rr = RACE_RECORD;\r
1214                         race_send_speedaward(MSG_ALL);\r
1215                         speedaward_lastsent = speedaward_speed;\r
1216                         if (speedaward_speed > speedaward_alltimebest) {\r
1217                                 speedaward_alltimebest = speedaward_speed;\r
1218                                 speedaward_alltimebest_holder = speedaward_holder;\r
1219                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/speed"), ftos(speedaward_alltimebest));\r
1220                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/netname"), speedaward_alltimebest_holder);\r
1221                                 race_send_speedaward_alltimebest(MSG_ALL);\r
1222                         }\r
1223                 }\r
1224         }\r
1225 \r
1226         if(vlen(self.velocity) > cvar("g_deathspeed"))\r
1227                 Damage(self, world, world, 100000, DEATH_KILL, self.origin, '0 0 0');\r
1228 \r
1229 :end\r
1230         if(self.flags & FL_ONGROUND)\r
1231                 self.lastground = time;\r
1232 \r
1233         self.lastflags = self.flags;\r
1234         self.lastclassname = self.classname;\r
1235 };\r