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 .float prevlastteleporttime;\r
  36 \r
  37 /*\r
  38 =============\r
  39 PlayerJump\r
  40 \r
  41 When you press the jump key\r
  42 =============\r
  43 */\r
  44 void PlayerJump (void)\r
  45 {\r
  46         float mjumpheight;\r
  47         float doublejump;\r
  48 \r
  49         doublejump = FALSE;\r
  50         if (cvar("sv_doublejump"))\r
  51         {\r
  52                 tracebox(self.origin + '0 0 0.01', self.mins, self.maxs, self.origin - '0 0 0.01', MOVE_NORMAL, self);\r
  53                 if (trace_fraction < 1 && trace_plane_normal_z > 0.7)\r
  54                         doublejump = TRUE;\r
  55         }\r
  56 \r
  57         mjumpheight = cvar("sv_jumpvelocity");\r
  58         if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
  59         {\r
  60                 if (self.watertype == CONTENT_WATER)\r
  61                         self.velocity_z = 200;\r
  62                 else if (self.watertype == CONTENT_SLIME)\r
  63                         self.velocity_z = 80;\r
  64                 else\r
  65                         self.velocity_z = 50;\r
  66 \r
  67                 return;\r
  68         }\r
  69 \r
  70         if (cvar("g_multijump"))\r
  71         {\r
  72                 if(self.prevlastteleporttime != self.lastteleporttime)\r
  73                 {\r
  74                         // if we teleported above the ground, require touching the ground again to multi-jump\r
  75                         self.multijump_ready = FALSE;\r
  76                         if(self.flags & FL_ONGROUND)\r
  77                                 self.prevlastteleporttime = self.lastteleporttime;\r
  78                 }\r
  79                 else if (self.prevjumpbutton == FALSE && !(self.flags & FL_ONGROUND)) // jump button pressed this frame and we are in midair\r
  80                         self.multijump_ready = TRUE;  // this is necessary to check that we released the jump button and pressed it again\r
  81                 else\r
  82                         self.multijump_ready = FALSE;\r
  83         }\r
  84 \r
  85         if(!doublejump && self.multijump_ready && self.multijump_count < cvar("g_multijump") && self.velocity_z > cvar("g_multijump_speed"))\r
  86         {\r
  87                 // doublejump = FALSE; // checked above in the if\r
  88                 if (cvar("g_multijump"))\r
  89                 {\r
  90                         if (cvar("g_multijump_add") == 0) // in this case we make the z velocity == jumpvelocity\r
  91                         {\r
  92                                 if (self.velocity_z < mjumpheight)\r
  93                                 {\r
  94                                         doublejump = TRUE;\r
  95                                         self.velocity_z = 0;\r
  96                                 }\r
  97                         }\r
  98                         else\r
  99                                 doublejump = TRUE;\r
 100 \r
 101                         if(doublejump)\r
 102                         {\r
 103                                 if(self.movement_x != 0 || self.movement_y != 0) // don't remove all speed if player isnt pressing any movement keys\r
 104                                 {\r
 105                                         float curspeed;\r
 106                                         vector wishvel, wishdir;\r
 107 \r
 108                                         curspeed = max(\r
 109                                                 vlen(vec2(self.velocity)), // current xy speed\r
 110                                                 vlen(vec2(antilag_takebackavgvelocity(self, max(self.lastteleporttime + sys_frametime, time - 0.25), time))) // average xy topspeed over the last 0.25 secs\r
 111                                         );\r
 112                                         makevectors(self.v_angle_y * '0 1 0');\r
 113                                         wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
 114                                         wishdir = normalize(wishvel);\r
 115 \r
 116                                         self.velocity_x = wishdir_x * curspeed; // allow "dodging" at a multijump\r
 117                                         self.velocity_y = wishdir_y * curspeed;\r
 118                                         // keep velocity_z unchanged!\r
 119                                 }\r
 120                                 if (cvar("g_multijump") > 0)\r
 121                                         self.multijump_count += 1;\r
 122                         }\r
 123                 }\r
 124                 self.multijump_ready = FALSE; // require releasing and pressing the jump button again for the next jump\r
 125         }\r
 126 \r
 127         if (!doublejump)\r
 128                 if (!(self.flags & FL_ONGROUND))\r
 129                         return;\r
 130 \r
 131         if(!sv_pogostick)\r
 132                 if (!(self.flags & FL_JUMPRELEASED))\r
 133                         return;\r
 134 \r
 135         if(self.health <= g_bloodloss)\r
 136                 return;\r
 137 \r
 138         if(cvar_string("sv_jumpspeedcap_min") != "")\r
 139                 self.velocity_z = max(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_min"), self.velocity_z);\r
 140         if(cvar_string("sv_jumpspeedcap_max") != "") {\r
 141                 if(trace_fraction < 1 && trace_plane_normal_z < 0.98 && cvar("sv_jumpspeedcap_max_disable_on_ramps")) {\r
 142                         // don't do jump speedcaps on ramps to preserve old voretournament ramjump style\r
 143                         //print("Trace plane normal z: ", ftos(trace_plane_normal_z), ", disabling speed cap!\n");\r
 144                 }\r
 145                 else\r
 146                         self.velocity_z = min(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_max"), self.velocity_z) + trace_ent.velocity_z;\r
 147         }\r
 148 \r
 149         if(!(self.lastflags & FL_ONGROUND))\r
 150         {\r
 151                 if(cvar("speedmeter"))\r
 152                         dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
 153                 if(self.lastground < time - 0.3)\r
 154                 {\r
 155                         self.velocity_x *= (1 - cvar("sv_friction_on_land"));\r
 156                         self.velocity_y *= (1 - cvar("sv_friction_on_land"));\r
 157                 }\r
 158                 if(self.jumppadcount > 1)\r
 159                         dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
 160                 self.jumppadcount = 0;\r
 161         }\r
 162 \r
 163         self.velocity_z = self.velocity_z + mjumpheight;\r
 164         self.oldvelocity_z = self.velocity_z;\r
 165 \r
 166         self.flags &~= FL_ONGROUND;\r
 167         self.flags &~= FL_JUMPRELEASED;\r
 168 \r
 169         if (self.crouch)\r
 170                 setanim(self, self.anim_duckjump, FALSE, TRUE, TRUE);\r
 171         else\r
 172                 setanim(self, self.anim_jump, FALSE, TRUE, TRUE);\r
 173 \r
 174         if(g_jump_grunt)\r
 175                 PlayerSound(self, playersound_jump, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 176 \r
 177         self.restart_jump = -1; // restart jump anim next time\r
 178         // value -1 is used to not use the teleport bit (workaround for tiny hitch when re-jumping)\r
 179 }\r
 180 \r
 181 void CheckWaterJump()\r
 182 {\r
 183         local vector start, end;\r
 184 \r
 185 // check for a jump-out-of-water\r
 186         makevectors (self.angles);\r
 187         start = self.origin;\r
 188         start_z = start_z + 8;\r
 189         v_forward_z = 0;\r
 190         normalize(v_forward);\r
 191         end = start + v_forward*24;\r
 192         traceline (start, end, TRUE, self);\r
 193         if (trace_fraction < 1)\r
 194         {       // solid at waist\r
 195                 start_z = start_z + self.maxs_z - 8;\r
 196                 end = start + v_forward*24;\r
 197                 self.movedir = trace_plane_normal * -50;\r
 198                 traceline (start, end, TRUE, self);\r
 199                 if (trace_fraction == 1)\r
 200                 {       // open at eye level\r
 201                         self.flags |= FL_WATERJUMP;\r
 202                         self.velocity_z = 225;\r
 203                         self.flags &~= FL_JUMPRELEASED;\r
 204                         self.teleport_time = time + 2;  // safety net\r
 205                         return;\r
 206                 }\r
 207         }\r
 208 };\r
 209 \r
 210 float racecar_angle(float forward, float down)\r
 211 {\r
 212         float ret, angle_mult;\r
 213 \r
 214         if(forward < 0)\r
 215         {\r
 216                 forward = -forward;\r
 217                 down = -down;\r
 218         }\r
 219 \r
 220         ret = vectoyaw('0 1 0' * down + '1 0 0' * forward);\r
 221 \r
 222         angle_mult = forward / (800 + forward);\r
 223 \r
 224         if(ret > 180)\r
 225                 return ret * angle_mult + 360 * (1 - angle_mult);\r
 226         else\r
 227                 return ret * angle_mult;\r
 228 }\r
 229 \r
 230 void RaceCarPhysics()\r
 231 {\r
 232         // using this move type for "big rigs"\r
 233         // the engine does not push the entity!\r
 234 \r
 235         float accel, steer, f;\r
 236         vector angles_save, rigvel;\r
 237 \r
 238         angles_save = self.angles;\r
 239         accel = bound(-1, self.movement_x / sv_maxspeed, 1);\r
 240         steer = bound(-1, self.movement_y / sv_maxspeed, 1);\r
 241 \r
 242         if(g_bugrigs_reverse_speeding)\r
 243         {\r
 244                 if(accel < 0)\r
 245                 {\r
 246                         // back accel is DIGITAL\r
 247                         // to prevent speedhack\r
 248                         if(accel < -0.5)\r
 249                                 accel = -1;\r
 250                         else\r
 251                                 accel = 0;\r
 252                 }\r
 253         }\r
 254 \r
 255         self.angles_x = 0;\r
 256         self.angles_z = 0;\r
 257         makevectors(self.angles); // new forward direction!\r
 258 \r
 259         if(self.flags & FL_ONGROUND || g_bugrigs_air_steering)\r
 260         {\r
 261                 float myspeed, upspeed, steerfactor, accelfactor;\r
 262 \r
 263                 myspeed = self.velocity * v_forward;\r
 264                 upspeed = self.velocity * v_up;\r
 265 \r
 266                 // responsiveness factor for steering and acceleration\r
 267                 f = 1 / (1 + pow(max(-myspeed, myspeed) / g_bugrigs_speed_ref, g_bugrigs_speed_pow));\r
 268                 //MAXIMA: f(v) := 1 / (1 + (v / g_bugrigs_speed_ref) ^ g_bugrigs_speed_pow);\r
 269 \r
 270                 if(myspeed < 0 && g_bugrigs_reverse_spinning)\r
 271                         steerfactor = -myspeed * g_bugrigs_steer;\r
 272                 else\r
 273                         steerfactor = -myspeed * f * g_bugrigs_steer;\r
 274 \r
 275                 if(myspeed < 0 && g_bugrigs_reverse_speeding)\r
 276                         accelfactor = g_bugrigs_accel;\r
 277                 else\r
 278                         accelfactor = f * g_bugrigs_accel;\r
 279                 //MAXIMA: accel(v) := f(v) * g_bugrigs_accel;\r
 280 \r
 281                 if(accel < 0)\r
 282                 {\r
 283                         if(myspeed > 0)\r
 284                         {\r
 285                                 myspeed = max(0, myspeed - frametime * (g_bugrigs_friction_floor - g_bugrigs_friction_brake * accel));\r
 286                         }\r
 287                         else\r
 288                         {\r
 289                                 if(!g_bugrigs_reverse_speeding)\r
 290                                         myspeed = min(0, myspeed + frametime * g_bugrigs_friction_floor);\r
 291                         }\r
 292                 }\r
 293                 else\r
 294                 {\r
 295                         if(myspeed >= 0)\r
 296                         {\r
 297                                 myspeed = max(0, myspeed - frametime * g_bugrigs_friction_floor);\r
 298                         }\r
 299                         else\r
 300                         {\r
 301                                 if(g_bugrigs_reverse_stopping)\r
 302                                         myspeed = 0;\r
 303                                 else\r
 304                                         myspeed = min(0, myspeed + frametime * (g_bugrigs_friction_floor + g_bugrigs_friction_brake * accel));\r
 305                         }\r
 306                 }\r
 307                 // terminal velocity = velocity at which 50 == accelfactor, that is, 1549 units/sec\r
 308                 //MAXIMA: friction(v) := g_bugrigs_friction_floor;\r
 309 \r
 310                 self.angles_y += steer * frametime * steerfactor; // apply steering\r
 311                 makevectors(self.angles); // new forward direction!\r
 312 \r
 313                 myspeed += accel * accelfactor * frametime;\r
 314 \r
 315                 rigvel = myspeed * v_forward + '0 0 1' * upspeed;\r
 316         }\r
 317         else\r
 318         {\r
 319                 myspeed = vlen(self.velocity);\r
 320 \r
 321                 // responsiveness factor for steering and acceleration\r
 322                 f = 1 / (1 + pow(max(0, myspeed / g_bugrigs_speed_ref), g_bugrigs_speed_pow));\r
 323                 steerfactor = -myspeed * f;\r
 324                 self.angles_y += steer * frametime * steerfactor; // apply steering\r
 325 \r
 326                 rigvel = self.velocity;\r
 327                 makevectors(self.angles); // new forward direction!\r
 328         }\r
 329 \r
 330         rigvel = rigvel * max(0, 1 - vlen(rigvel) * g_bugrigs_friction_air * frametime);\r
 331         //MAXIMA: airfriction(v) := v * v * g_bugrigs_friction_air;\r
 332         //MAXIMA: total_acceleration(v) := accel(v) - friction(v) - airfriction(v);\r
 333         //MAXIMA: solve(total_acceleration(v) = 0, v);\r
 334 \r
 335         if(g_bugrigs_planar_movement)\r
 336         {\r
 337                 vector rigvel_xy, neworigin, up;\r
 338                 float mt;\r
 339 \r
 340                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better\r
 341                 rigvel_xy = rigvel;\r
 342                 rigvel_xy_z = 0;\r
 343 \r
 344                 if(g_bugrigs_planar_movement_car_jumping && !g_touchexplode) // touchexplode is a better way to handle collisions\r
 345                         mt = MOVE_NORMAL;\r
 346                 else\r
 347                         mt = MOVE_NOMONSTERS;\r
 348 \r
 349                 tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 1024', mt, self);\r
 350                 up = trace_endpos - self.origin;\r
 351 \r
 352                 // BUG RIGS: align the move to the surface instead of doing collision testing\r
 353                 // can we move?\r
 354                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos + rigvel_xy * frametime, mt, self);\r
 355 \r
 356                 // align to surface\r
 357                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos - up + '0 0 1' * rigvel_z * frametime, mt, self);\r
 358 \r
 359                 if(trace_fraction < 0.5)\r
 360                 {\r
 361                         trace_fraction = 1;\r
 362                         neworigin = self.origin;\r
 363                 }\r
 364                 else\r
 365                         neworigin = trace_endpos;\r
 366 \r
 367                 if(trace_fraction < 1)\r
 368                 {\r
 369                         // now set angles_x so that the car points parallel to the surface\r
 370                         self.angles = vectoangles(\r
 371                                         '1 0 0' * v_forward_x * trace_plane_normal_z\r
 372                                         +\r
 373                                         '0 1 0' * v_forward_y * trace_plane_normal_z\r
 374                                         +\r
 375                                         '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y)\r
 376                                         );\r
 377                         self.flags |= FL_ONGROUND;\r
 378                 }\r
 379                 else\r
 380                 {\r
 381                         // now set angles_x so that the car points forward, but is tilted in velocity direction\r
 382                         self.flags &~= FL_ONGROUND;\r
 383                 }\r
 384 \r
 385                 self.velocity = (neworigin - self.origin) * (1.0 / frametime);\r
 386                 self.movetype = MOVETYPE_NOCLIP;\r
 387         }\r
 388         else\r
 389         {\r
 390                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better\r
 391                 self.velocity = rigvel;\r
 392                 self.movetype = MOVETYPE_FLY;\r
 393         }\r
 394 \r
 395         trace_fraction = 1;\r
 396         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 4', MOVE_NORMAL, self);\r
 397         if(trace_fraction != 1)\r
 398         {\r
 399                 self.angles = vectoangles2(\r
 400                                 '1 0 0' * v_forward_x * trace_plane_normal_z\r
 401                                 +\r
 402                                 '0 1 0' * v_forward_y * trace_plane_normal_z\r
 403                                 +\r
 404                                 '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y),\r
 405                                 trace_plane_normal\r
 406                                 );\r
 407         }\r
 408         else\r
 409         {\r
 410                 vector vel_local;\r
 411 \r
 412                 vel_local_x = v_forward * self.velocity;\r
 413                 vel_local_y = v_right * self.velocity;\r
 414                 vel_local_z = v_up * self.velocity;\r
 415 \r
 416                 self.angles_x = racecar_angle(vel_local_x, vel_local_z);\r
 417                 self.angles_z = racecar_angle(-vel_local_y, vel_local_z);\r
 418         }\r
 419 \r
 420         // smooth the angles\r
 421         vector vf1, vu1, smoothangles;\r
 422         makevectors(self.angles);\r
 423         f = bound(0, frametime * g_bugrigs_angle_smoothing, 1);\r
 424         if(f == 0)\r
 425                 f = 1;\r
 426         vf1 = v_forward * f;\r
 427         vu1 = v_up * f;\r
 428         makevectors(angles_save);\r
 429         vf1 = vf1 + v_forward * (1 - f);\r
 430         vu1 = vu1 + v_up * (1 - f);\r
 431         smoothangles = vectoangles2(vf1, vu1);\r
 432         self.angles_x = -smoothangles_x;\r
 433         self.angles_z =  smoothangles_z;\r
 434 }\r
 435 \r
 436 float IsMoveInDirection(vector mv, float angle) // key mix factor\r
 437 {\r
 438         if(mv_x == 0 && mv_y == 0)\r
 439                 return 0; // avoid division by zero\r
 440         angle = RAD2DEG * atan2(mv_y, mv_x);\r
 441         angle = remainder(angle, 360) / 45;\r
 442         if(angle >  1)\r
 443                 return 0;\r
 444         if(angle < -1)\r
 445                 return 0;\r
 446         return 1 - fabs(angle);\r
 447 }\r
 448 \r
 449 void CPM_PM_Aircontrol(vector wishdir, float wishspeed)\r
 450 {\r
 451         float zspeed, xyspeed, dot, k;\r
 452 \r
 453 #if 0\r
 454         // this doesn't play well with analog input\r
 455         if(self.movement_x == 0 || self.movement_y != 0)\r
 456                 return; // can't control movement if not moving forward or backward\r
 457         k = 32;\r
 458 #else\r
 459         k = 32 * (2 * IsMoveInDirection(self.movement, 0) - 1);\r
 460         if(k <= 0)\r
 461                 return;\r
 462 #endif\r
 463 \r
 464         k *= bound(0, wishspeed / sv_maxairspeed, 1);\r
 465 \r
 466         zspeed = self.velocity_z;\r
 467         self.velocity_z = 0;\r
 468         xyspeed = vlen(self.velocity); self.velocity = normalize(self.velocity);\r
 469 \r
 470         dot = self.velocity * wishdir;\r
 471         k *= sv_aircontrol*dot*dot*frametime;\r
 472 \r
 473         if(dot > 0) // we can't change direction while slowing down\r
 474         {\r
 475                 self.velocity = normalize(self.velocity * xyspeed + wishdir * k);\r
 476         }\r
 477 \r
 478         self.velocity = self.velocity * xyspeed;\r
 479         self.velocity_z = zspeed;\r
 480 }\r
 481 \r
 482 // example config for alternate speed clamping:\r
 483 //   sv_airaccel_qw 0.8\r
 484 //   sv_airaccel_sideways_friction 0\r
 485 //   prvm_globalset server speedclamp_mode 1\r
 486 //     (or 2)\r
 487 void PM_Accelerate(vector wishdir, float wishspeed, float wishspeed0, float accel, float accelqw, float sidefric)\r
 488 {\r
 489         float vel_straight;\r
 490         float vel_z;\r
 491         vector vel_perpend;\r
 492         float step;\r
 493 \r
 494         vector vel_xy;\r
 495         float vel_xy_current;\r
 496         float vel_xy_backward, vel_xy_forward;\r
 497         float speedclamp;\r
 498 \r
 499         speedclamp = (accelqw < 0);\r
 500         if(speedclamp)\r
 501                 accelqw = -accelqw;\r
 502 \r
 503         if(cvar("sv_gameplayfix_q2airaccelerate"))\r
 504                 wishspeed0 = wishspeed;\r
 505 \r
 506         vel_straight = self.velocity * wishdir;\r
 507         vel_z = self.velocity_z;\r
 508         vel_xy = self.velocity - vel_z * '0 0 1';\r
 509         vel_perpend = vel_xy - vel_straight * wishdir;\r
 510 \r
 511         step = accel * frametime * wishspeed0;\r
 512 \r
 513         vel_xy_current  = vlen(vel_xy);\r
 514         vel_xy_forward  = vel_xy_current + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);\r
 515         vel_xy_backward = vel_xy_current - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);\r
 516         if(vel_xy_backward < 0)\r
 517                 vel_xy_backward = 0; // not that it REALLY occurs that this would cause wrong behaviour afterwards\r
 518 \r
 519         vel_straight = vel_straight + bound(0, wishspeed - vel_straight, step) * accelqw + step * (1 - accelqw);\r
 520 \r
 521         if(sidefric < 0 && (vel_perpend*vel_perpend))\r
 522                 // negative: only apply so much sideways friction to stay below the speed you could get by "braking"\r
 523         {\r
 524                 float f, fminimum;\r
 525                 f = max(0, 1 + frametime * wishspeed * sidefric);\r
 526                 fminimum = (vel_xy_backward*vel_xy_backward - vel_straight*vel_straight) / (vel_perpend*vel_perpend);\r
 527                 // this cannot be > 1\r
 528                 if(fminimum <= 0)\r
 529                         vel_perpend = vel_perpend * max(0, f);\r
 530                 else\r
 531                 {\r
 532                         fminimum = sqrt(fminimum);\r
 533                         vel_perpend = vel_perpend * max(fminimum, f);\r
 534                 }\r
 535         }\r
 536         else\r
 537                 vel_perpend = vel_perpend * max(0, 1 - frametime * wishspeed * sidefric);\r
 538         \r
 539         vel_xy = vel_straight * wishdir + vel_perpend;\r
 540         \r
 541         if(speedclamp)\r
 542         {\r
 543                 // ensure we don't get too fast or decelerate faster than we should\r
 544                 vel_xy_current = min(vlen(vel_xy), vel_xy_forward);\r
 545                 if(vel_xy_current > 0) // prevent division by zero\r
 546                         vel_xy = normalize(vel_xy) * vel_xy_current;\r
 547         }\r
 548 \r
 549         self.velocity = vel_xy + vel_z * '0 0 1';\r
 550 }\r
 551 \r
 552 void PM_AirAccelerate(vector wishdir, float wishspeed)\r
 553 {\r
 554         vector curvel, wishvel, acceldir, curdir;\r
 555         float addspeed, accelspeed, curspeed, f;\r
 556         float dot;\r
 557 \r
 558         if(wishspeed == 0)\r
 559                 return;\r
 560 \r
 561         curvel = self.velocity;\r
 562         curvel_z = 0;\r
 563         curspeed = vlen(curvel);\r
 564 \r
 565         if(wishspeed > curspeed * 1.01)\r
 566         {\r
 567                 wishspeed = min(wishspeed, curspeed + sv_warsowbunny_airforwardaccel * sv_maxspeed * frametime);\r
 568         }\r
 569         else\r
 570         {\r
 571                 f = max(0, (sv_warsowbunny_topspeed - curspeed) / (sv_warsowbunny_topspeed - sv_maxspeed));\r
 572                 wishspeed = max(curspeed, sv_maxspeed) + sv_warsowbunny_accel * f * sv_maxspeed * frametime;\r
 573         }\r
 574         wishvel = wishdir * wishspeed;\r
 575         acceldir = wishvel - curvel;\r
 576         addspeed = vlen(acceldir);\r
 577         acceldir = normalize(acceldir);\r
 578 \r
 579         accelspeed = min(addspeed, sv_warsowbunny_turnaccel * sv_maxspeed * frametime);\r
 580 \r
 581         if(sv_warsowbunny_backtosideratio < 1)\r
 582         {\r
 583                 curdir = normalize(curvel);\r
 584                 dot = acceldir * curdir;\r
 585                 if(dot < 0)\r
 586                         acceldir = acceldir - (1 - sv_warsowbunny_backtosideratio) * dot * curdir;\r
 587         }\r
 588 \r
 589         self.velocity += accelspeed * acceldir;\r
 590 }\r
 591 \r
 592 .vector movement_old;\r
 593 .float buttons_old;\r
 594 .vector v_angle_old;\r
 595 .string lastclassname;\r
 596 \r
 597 .float() PlayerPhysplug;\r
 598 \r
 599 string specialcommand = "xwxwxsxsxaxdxaxdx1x ";\r
 600 .float specialcommand_pos;\r
 601 void SpecialCommand()\r
 602 {\r
 603 #ifdef TETRIS\r
 604         TetrisImpulse();\r
 605 #else\r
 606         if(!CheatImpulse(99))\r
 607                 print("A hollow voice says \"Plugh\".\n");\r
 608 #endif\r
 609 }\r
 610 \r
 611 float speedaward_speed;\r
 612 string speedaward_holder;\r
 613 void race_send_speedaward(float msg)\r
 614 {\r
 615         // send the best speed of the round\r
 616         WriteByte(msg, SVC_TEMPENTITY);\r
 617         WriteByte(msg, TE_CSQC_RACE);\r
 618         WriteByte(msg, RACE_NET_SPEED_AWARD);\r
 619         WriteInt24_t(msg, floor(speedaward_speed+0.5));\r
 620         WriteString(msg, speedaward_holder);\r
 621 }\r
 622 \r
 623 float speedaward_alltimebest;\r
 624 string speedaward_alltimebest_holder;\r
 625 void race_send_speedaward_alltimebest(float msg)\r
 626 {\r
 627         // send the best speed\r
 628         WriteByte(msg, SVC_TEMPENTITY);\r
 629         WriteByte(msg, TE_CSQC_RACE);\r
 630         WriteByte(msg, RACE_NET_SPEED_AWARD_BEST);\r
 631         WriteInt24_t(msg, floor(speedaward_alltimebest+0.5));\r
 632         WriteString(msg, speedaward_alltimebest_holder);\r
 633 }\r
 634 \r
 635 string GetMapname(void);\r
 636 float speedaward_lastupdate;\r
 637 float speedaward_lastsent;\r
 638 .float jumppadusetime;\r
 639 void SV_PlayerPhysics()\r
 640 {\r
 641         local vector wishvel, wishdir, v;\r
 642         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, buttons;\r
 643         string temps;\r
 644         float buttons_prev;\r
 645         float not_allowed_to_move;\r
 646         string c;\r
 647 \r
 648     if(self.PlayerPhysplug)\r
 649         if(self.PlayerPhysplug())\r
 650             return;\r
 651 \r
 652         self.race_movetime_frac += frametime;\r
 653         f = floor(self.race_movetime_frac);\r
 654         self.race_movetime_frac -= f;\r
 655         self.race_movetime_count += f;\r
 656         self.race_movetime = self.race_movetime_frac + self.race_movetime_count;\r
 657 \r
 658         anticheat_physics();\r
 659 \r
 660         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
 661 \r
 662         if(!buttons)\r
 663                 c = "x";\r
 664         else if(buttons == 1)\r
 665                 c = "1";\r
 666         else if(buttons == 2)\r
 667                 c = " ";\r
 668         else if(buttons == 128)\r
 669                 c = "s";\r
 670         else if(buttons == 256)\r
 671                 c = "w";\r
 672         else if(buttons == 512)\r
 673                 c = "a";\r
 674         else if(buttons == 1024)\r
 675                 c = "d";\r
 676         else\r
 677                 c = "?";\r
 678 \r
 679         if(c == substring(specialcommand, self.specialcommand_pos, 1))\r
 680         {\r
 681                 self.specialcommand_pos += 1;\r
 682                 if(self.specialcommand_pos >= strlen(specialcommand))\r
 683                 {\r
 684                         self.specialcommand_pos = 0;\r
 685                         SpecialCommand();\r
 686                         return;\r
 687                 }\r
 688         }\r
 689         else if(self.specialcommand_pos && (c != substring(specialcommand, self.specialcommand_pos - 1, 1)))\r
 690                 self.specialcommand_pos = 0;\r
 691 \r
 692         if(!sv_maxidle_spectatorsareidle || self.movetype == MOVETYPE_WALK)\r
 693         {\r
 694                 if(buttons != self.buttons_old || self.movement != self.movement_old || self.v_angle != self.v_angle_old)\r
 695                         self.parm_idlesince = time;\r
 696         }\r
 697         buttons_prev = self.buttons_old;\r
 698         self.buttons_old = buttons;\r
 699         self.movement_old = self.movement;\r
 700         self.v_angle_old = self.v_angle;\r
 701 \r
 702         if(time < self.nickspamtime)\r
 703         if(self.nickspamcount >= cvar("g_nick_flood_penalty_yellow"))\r
 704         {\r
 705                 // slight annoyance for nick change scripts\r
 706                 self.movement = -1 * self.movement;\r
 707                 self.BUTTON_ATCK = self.BUTTON_JUMP = self.BUTTON_ATCK2 = self.BUTTON_ZOOM = self.BUTTON_CROUCH = self.BUTTON_JETPACK = self.BUTTON_USE = 0;\r
 708 \r
 709                 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
 710                 {\r
 711                         self.angles_x = random() * 360;\r
 712                         self.angles_y = random() * 360;\r
 713                         // at least I'm not forcing retardedview by also assigning to angles_z\r
 714                         self.fixangle = 1;\r
 715                 }\r
 716         }\r
 717 \r
 718         if (self.punchangle != '0 0 0')\r
 719         {\r
 720                 f = vlen(self.punchangle) - 15 * frametime;\r
 721                 if (f > 0)\r
 722                         self.punchangle = normalize(self.punchangle) * f;\r
 723                 else\r
 724                         self.punchangle = '0 0 0';\r
 725         }\r
 726 \r
 727         if (self.punchvector != '0 0 0')\r
 728         {\r
 729                 f = vlen(self.punchvector) - 30 * frametime;\r
 730                 if (f > 0)\r
 731                         self.punchvector = normalize(self.punchvector) * f;\r
 732                 else\r
 733                         self.punchvector = '0 0 0';\r
 734         }\r
 735 \r
 736         if (clienttype(self) == CLIENTTYPE_BOT)\r
 737         {\r
 738                 if(playerdemo_read())\r
 739                         return;\r
 740                 bot_think();\r
 741         }\r
 742 \r
 743         self.items &~= IT_USING_JETPACK;\r
 744 \r
 745         if(self.classname == "player")\r
 746         {\r
 747                 if(self.race_penalty)\r
 748                         if(time > self.race_penalty)\r
 749                                 self.race_penalty = 0;\r
 750 \r
 751                 not_allowed_to_move = 0;\r
 752                 if(self.race_penalty)\r
 753                         not_allowed_to_move = 1;\r
 754                 if(!cvar("sv_ready_restart_after_countdown"))\r
 755                 if(time < game_starttime)\r
 756                         not_allowed_to_move = 1;\r
 757 \r
 758                 if(not_allowed_to_move)\r
 759                 {\r
 760                         self.velocity = '0 0 0';\r
 761                         self.movetype = MOVETYPE_NONE;\r
 762                         self.disableclientprediction = 2;\r
 763                 }\r
 764                 else if(self.disableclientprediction == 2)\r
 765                 {\r
 766                         if(self.movetype == MOVETYPE_NONE)\r
 767                                 self.movetype = MOVETYPE_WALK;\r
 768                         self.disableclientprediction = 0;\r
 769                 }\r
 770         }\r
 771 \r
 772         if(self.predator.classname == "player" || self.fakepredator.classname == "player")\r
 773                 return;\r
 774 \r
 775         if (self.movetype == MOVETYPE_NONE)\r
 776                 return;\r
 777 \r
 778         maxspd_mod = 1;\r
 779 \r
 780         swampspd_mod = 1;\r
 781         if(self.in_swamp) {\r
 782                 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");\r
 783         }\r
 784 \r
 785         if(self.classname != "player")\r
 786         {\r
 787                 maxspd_mod = cvar("sv_spectator_speed_multiplier");\r
 788                 if(!self.spectatorspeed)\r
 789                         self.spectatorspeed = maxspd_mod;\r
 790                 if(self.impulse && self.impulse <= 19)\r
 791                 {\r
 792                         if(self.lastclassname != "player")\r
 793                         {\r
 794                                 if(self.impulse == 10 || self.impulse == 15 || self.impulse == 18)\r
 795                                         self.spectatorspeed = bound(1, self.spectatorspeed + 0.5, 5);\r
 796                                 else if(self.impulse == 11)\r
 797                                         self.spectatorspeed = maxspd_mod;\r
 798                                 else if(self.impulse == 12 || self.impulse == 16  || self.impulse == 19)\r
 799                                         self.spectatorspeed = bound(1, self.spectatorspeed - 0.5, 5);\r
 800                                 else if(self.impulse >= 1 && self.impulse <= 9)\r
 801                                         self.spectatorspeed = 1 + 0.5 * (self.impulse - 1);\r
 802                         } // otherwise just clear\r
 803                         self.impulse = 0;\r
 804                 }\r
 805                 maxspd_mod = self.spectatorspeed;\r
 806         }\r
 807 \r
 808         spd = max(sv_maxspeed, sv_maxairspeed) * maxspd_mod * swampspd_mod;\r
 809         if(self.speed != spd)\r
 810         {\r
 811                 self.speed = spd;\r
 812                 temps = ftos(spd);\r
 813                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));\r
 814                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));\r
 815                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));\r
 816                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));\r
 817         }\r
 818 \r
 819         maxspd_mod *= swampspd_mod; // only one common speed modder please!\r
 820         if(cvar("g_balance_vore_weight_gravity") > 0)\r
 821                 maxspd_mod *= 1 - bound(0, self.stomach_load * cvar("g_balance_vore_weight_speed"), 1); // apply stomach weight\r
 822         swampspd_mod = 1;\r
 823 \r
 824         // if dead, behave differently\r
 825         if (self.deadflag)\r
 826                 goto end;\r
 827 \r
 828         if (!self.fixangle && !g_bugrigs)\r
 829         {\r
 830                 self.angles_x = 0;\r
 831                 self.angles_y = self.v_angle_y;\r
 832                 self.angles_z = 0;\r
 833         }\r
 834 \r
 835         if(self.flags & FL_ONGROUND)\r
 836         if(self.wasFlying)\r
 837         {\r
 838                 self.wasFlying = 0;\r
 839 \r
 840                 if(self.waterlevel < WATERLEVEL_SWIMMING)\r
 841                 if(time >= self.ladder_time)\r
 842                 if not(self.grabber)\r
 843                 {\r
 844                         self.nextstep = time + 0.3 + random() * 0.1;\r
 845                         trace_dphitq3surfaceflags = 0;\r
 846                         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 1', MOVE_NOMONSTERS, self);\r
 847                         if not(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOSTEPS)\r
 848                         {\r
 849                                 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)\r
 850                                         GlobalSound(globalsound_metalfall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 851                                 else\r
 852                                         GlobalSound(globalsound_fall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 853                         }\r
 854                 }\r
 855         }\r
 856 \r
 857         if(IsFlying(self))\r
 858                 self.wasFlying = 1;\r
 859 \r
 860         if(self.classname == "player")\r
 861         {\r
 862                 if(self.flags & FL_ONGROUND)\r
 863                 {\r
 864                         if (cvar("g_multijump") > 0)\r
 865                                 self.multijump_count = 0;\r
 866                         else\r
 867                                 self.multijump_count = -2; // the cvar value for infinite jumps is -1, so this needs to be smaller\r
 868                 }\r
 869 \r
 870                 if (self.BUTTON_JUMP)\r
 871                         PlayerJump ();\r
 872                 else\r
 873                         self.flags |= FL_JUMPRELEASED;\r
 874 \r
 875                 if (self.waterlevel == WATERLEVEL_SWIMMING)\r
 876                         CheckWaterJump ();\r
 877                 self.prevjumpbutton = self.BUTTON_JUMP;\r
 878         }\r
 879 \r
 880         if (self.flags & FL_WATERJUMP )\r
 881         {\r
 882                 self.velocity_x = self.movedir_x;\r
 883                 self.velocity_y = self.movedir_y;\r
 884                 if (time > self.teleport_time || self.waterlevel == WATERLEVEL_NONE)\r
 885                 {\r
 886                         self.flags &~= FL_WATERJUMP;\r
 887                         self.teleport_time = 0;\r
 888                 }\r
 889         }\r
 890         else if (g_bugrigs && self.classname == "player")\r
 891         {\r
 892                 RaceCarPhysics();\r
 893         }\r
 894         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY)\r
 895         {\r
 896                 // noclipping or flying\r
 897                 self.flags &~= FL_ONGROUND;\r
 898 \r
 899                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 900                 makevectors(self.v_angle);\r
 901                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 902                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 903                 // acceleration\r
 904                 wishdir = normalize(wishvel);\r
 905                 wishspeed = vlen(wishvel);\r
 906                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 907                         wishspeed = sv_maxspeed*maxspd_mod;\r
 908                 if (time >= self.teleport_time)\r
 909                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 910         }\r
 911         else if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
 912         {\r
 913                 // swimming\r
 914                 self.flags &~= FL_ONGROUND;\r
 915 \r
 916                 makevectors(self.v_angle);\r
 917                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 918                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 919                 if (wishvel == '0 0 0')\r
 920                         wishvel = '0 0 -60'; // drift towards bottom\r
 921 \r
 922                 wishdir = normalize(wishvel);\r
 923                 wishspeed = vlen(wishvel);\r
 924                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 925                         wishspeed = sv_maxspeed*maxspd_mod;\r
 926                 wishspeed = wishspeed * 0.7;\r
 927 \r
 928                 // water friction\r
 929                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 930 \r
 931                 // water acceleration\r
 932                 PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 933         }\r
 934         else if (time < self.ladder_time)\r
 935         {\r
 936                 // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water\r
 937                 self.flags &~= FL_ONGROUND;\r
 938 \r
 939                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 940                 makevectors(self.v_angle);\r
 941                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 942                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 943                 if (self.gravity)\r
 944                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;\r
 945                 else\r
 946                         self.velocity_z = self.velocity_z + sv_gravity * frametime;\r
 947                 if (self.ladder_entity.classname == "func_water")\r
 948                 {\r
 949                         f = vlen(wishvel);\r
 950                         if (f > self.ladder_entity.speed)\r
 951                                 wishvel = wishvel * (self.ladder_entity.speed / f);\r
 952 \r
 953                         self.watertype = self.ladder_entity.skin;\r
 954                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;\r
 955                         if ((self.origin_z + self.view_ofs_z) < f)\r
 956                                 self.waterlevel = WATERLEVEL_SUBMERGED;\r
 957                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)\r
 958                                 self.waterlevel = WATERLEVEL_SWIMMING;\r
 959                         else if ((self.origin_z + self.mins_z + 1) < f)\r
 960                                 self.waterlevel = WATERLEVEL_WETFEET;\r
 961                         else\r
 962                         {\r
 963                                 self.waterlevel = WATERLEVEL_NONE;\r
 964                                 self.watertype = CONTENT_EMPTY;\r
 965                         }\r
 966                 }\r
 967                 // acceleration\r
 968                 wishdir = normalize(wishvel);\r
 969                 wishspeed = vlen(wishvel);\r
 970                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 971                         wishspeed = sv_maxspeed*maxspd_mod;\r
 972                 if (time >= self.teleport_time)\r
 973                 {\r
 974                         // water acceleration\r
 975                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 976                 }\r
 977         }\r
 978         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
 979         {\r
 980                 //makevectors(self.v_angle_y * '0 1 0');\r
 981                 makevectors(self.v_angle);\r
 982                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
 983                 // add remaining speed as Z component\r
 984                 maxairspd = sv_maxairspeed*max(1, maxspd_mod);\r
 985                 // fix speedhacks :P\r
 986                 wishvel = normalize(wishvel) * min(vlen(wishvel) / maxairspd, 1);\r
 987                 // add the unused velocity as up component\r
 988                 wishvel_z = 0;\r
 989 \r
 990                 // if(self.BUTTON_JUMP)\r
 991                         wishvel_z = sqrt(max(0, 1 - wishvel * wishvel));\r
 992 \r
 993                 // it is now normalized, so...\r
 994                 float a_side, a_up, a_add, a_diff;\r
 995                 a_side = cvar("g_jetpack_acceleration_side");\r
 996                 a_up = cvar("g_jetpack_acceleration_up");\r
 997                 a_add = cvar("g_jetpack_antigravity") * sv_gravity;\r
 998 \r
 999                 wishvel_x *= a_side;\r
1000                 wishvel_y *= a_side;\r
1001                 wishvel_z *= a_up;\r
1002                 wishvel_z += a_add;\r
1003 \r
1004                 float best;\r
1005                 best = 0;\r
1006                 //////////////////////////////////////////////////////////////////////////////////////\r
1007                 // finding the maximum over all vectors of above form\r
1008                 // with wishvel having an absolute value of 1\r
1009                 //////////////////////////////////////////////////////////////////////////////////////\r
1010                 // we're finding the maximum over\r
1011                 //   f(a_side, a_up, a_add, z) := a_side * (1 - z^2) + (a_add + a_up * z)^2;\r
1012                 // for z in the range from -1 to 1\r
1013                 //////////////////////////////////////////////////////////////////////////////////////\r
1014                 // maximum is EITHER attained at the single extreme point:\r
1015                 a_diff = a_side * a_side - a_up * a_up;\r
1016                 if(a_diff != 0)\r
1017                 {\r
1018                         f = a_add * a_up / a_diff; // this is the zero of diff(f(a_side, a_up, a_add, z), z)\r
1019                         if(f > -1 && f < 1) // can it be attained?\r
1020                         {\r
1021                                 best = (a_diff + a_add * a_add) * (a_diff + a_up * a_up) / a_diff;\r
1022                                 //print("middle\n");\r
1023                         }\r
1024                 }\r
1025                 // OR attained at z = 1:\r
1026                 f = (a_up + a_add) * (a_up + a_add);\r
1027                 if(f > best)\r
1028                 {\r
1029                         best = f;\r
1030                         //print("top\n");\r
1031                 }\r
1032                 // OR attained at z = -1:\r
1033                 f = (a_up - a_add) * (a_up - a_add);\r
1034                 if(f > best)\r
1035                 {\r
1036                         best = f;\r
1037                         //print("bottom\n");\r
1038                 }\r
1039                 best = sqrt(best);\r
1040                 //////////////////////////////////////////////////////////////////////////////////////\r
1041 \r
1042                 //print("best possible acceleration: ", ftos(best), "\n");\r
1043 \r
1044                 float fxy, fz;\r
1045                 fxy = bound(0, 1 - (self.velocity * normalize(wishvel_x * '1 0 0' + wishvel_y * '0 1 0')) / cvar("g_jetpack_maxspeed_side"), 1);\r
1046                 if(wishvel_z - sv_gravity > 0)\r
1047                         fz = bound(0, 1 - self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1048                 else\r
1049                         fz = bound(0, 1 + self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1050 \r
1051                 float fvel;\r
1052                 fvel = vlen(wishvel);\r
1053                 wishvel_x *= fxy;\r
1054                 wishvel_y *= fxy;\r
1055                 wishvel_z = (wishvel_z - sv_gravity) * fz + sv_gravity;\r
1056 \r
1057                 fvel = min(1, vlen(wishvel) / best);\r
1058                 if(cvar("g_jetpack_fuel") && !(self.items & IT_UNLIMITED_WEAPON_AMMO))\r
1059                         f = min(1, self.ammo_fuel / (cvar("g_jetpack_fuel") * frametime * fvel));\r
1060                 else\r
1061                         f = 1;\r
1062 \r
1063                 //print("this acceleration: ", ftos(vlen(wishvel) * f), "\n");\r
1064 \r
1065                 if (f > 0 && wishvel != '0 0 0')\r
1066                 {\r
1067                         self.velocity = self.velocity + wishvel * f * frametime;\r
1068                         if not(self.items & IT_UNLIMITED_WEAPON_AMMO)\r
1069                                 self.ammo_fuel -= cvar("g_jetpack_fuel") * frametime * fvel * f;\r
1070                         self.flags &~= FL_ONGROUND;\r
1071                         self.items |= IT_USING_JETPACK;\r
1072 \r
1073                         // jetpack also inhibits health regeneration, but only for 1 second\r
1074                         self.pauseregenhealth_finished = max(self.pauseregenhealth_finished, time + cvar("g_balance_pause_fuel_regen"));\r
1075                 }\r
1076         }\r
1077         else if (self.flags & FL_ONGROUND)\r
1078         {\r
1079                 // we get here if we ran out of ammo\r
1080                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && self.predator.classname != "player")\r
1081                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1082 \r
1083                 // walking\r
1084                 makevectors(self.v_angle_y * '0 1 0');\r
1085                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1086 \r
1087                 if(!(self.lastflags & FL_ONGROUND))\r
1088                 {\r
1089                         if(cvar("speedmeter"))\r
1090                                 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
1091                         if(self.lastground < time - 0.3)\r
1092                                 self.velocity = self.velocity * (1 - cvar("sv_friction_on_land"));\r
1093                         if(self.jumppadcount > 1)\r
1094                                 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
1095                         self.jumppadcount = 0;\r
1096                 }\r
1097 \r
1098 #ifdef LETS_TEST_FTEQCC\r
1099                 if(self.velocity_x || self.velocity_y)\r
1100                 {\r
1101                         // good\r
1102                 }\r
1103                 else\r
1104                 {\r
1105                         if(self.velocity_x)\r
1106                                 checkclient();\r
1107                         if(self.velocity_y)\r
1108                                 checkclient();\r
1109                 }\r
1110 #endif\r
1111 \r
1112                 v = self.velocity;\r
1113                 v_z = 0;\r
1114                 f = vlen(v);\r
1115                 if(f > 0)\r
1116                 {\r
1117                         if (f < sv_stopspeed)\r
1118                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;\r
1119                         else\r
1120                                 f = 1 - frametime * sv_friction;\r
1121                         if (f > 0)\r
1122                                 self.velocity = self.velocity * f;\r
1123                         else\r
1124                                 self.velocity = '0 0 0';\r
1125                 }\r
1126 \r
1127                 // acceleration\r
1128                 wishdir = normalize(wishvel);\r
1129                 wishspeed = vlen(wishvel);\r
1130                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1131                         wishspeed = sv_maxspeed*maxspd_mod;\r
1132                 if (self.crouch)\r
1133                         wishspeed = wishspeed * 0.5;\r
1134                 if (time >= self.teleport_time)\r
1135                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1136         }\r
1137         else\r
1138         {\r
1139                 float wishspeed0;\r
1140                 // we get here if we ran out of ammo\r
1141                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && self.predator.classname != "player")\r
1142                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1143 \r
1144                 if(maxspd_mod < 1)\r
1145                 {\r
1146                         maxairspd = sv_maxairspeed*maxspd_mod;\r
1147                         airaccel = sv_airaccelerate*maxspd_mod;\r
1148                 }\r
1149                 else\r
1150                 {\r
1151                         maxairspd = sv_maxairspeed;\r
1152                         airaccel = sv_airaccelerate;\r
1153                 }\r
1154                 // airborn\r
1155                 makevectors(self.v_angle_y * '0 1 0');\r
1156                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1157                 // acceleration\r
1158                 wishdir = normalize(wishvel);\r
1159                 wishspeed = wishspeed0 = vlen(wishvel);\r
1160                 if (wishspeed0 > sv_maxspeed*maxspd_mod)\r
1161                         wishspeed0 = sv_maxspeed*maxspd_mod;\r
1162                 if (wishspeed > maxairspd)\r
1163                         wishspeed = maxairspd;\r
1164                 if (self.crouch)\r
1165                         wishspeed = wishspeed * 0.5;\r
1166                 if (time >= self.teleport_time)\r
1167                 {\r
1168                         float accelerating;\r
1169                         float wishspeed2;\r
1170                         float airaccelqw;\r
1171 \r
1172                         airaccelqw = sv_airaccel_qw;\r
1173                         accelerating = (self.velocity * wishdir > 0);\r
1174                         wishspeed2 = wishspeed;\r
1175 \r
1176                         // CPM\r
1177                         if(sv_airstopaccelerate)\r
1178                                 if(self.velocity * wishdir < 0)\r
1179                                         airaccel = sv_airstopaccelerate*maxspd_mod;\r
1180                         // this doesn't play well with analog input, but can't r\r
1181                         // fixed like the AirControl can. So, don't set the maxa\r
1182                         // cvars when you want to support analog input.\r
1183                         if(self.movement_x == 0 && self.movement_y != 0)\r
1184                         {\r
1185                                 if(sv_maxairstrafespeed)\r
1186                                 {\r
1187                                         wishspeed = min(wishspeed, sv_maxairstrafespeed*maxspd_mod);\r
1188                                         if(sv_maxairstrafespeed < sv_maxairspeed)\r
1189                                                 airaccelqw = 1;\r
1190                                 }\r
1191                                 if(sv_airstrafeaccelerate)\r
1192                                 {\r
1193                                         airaccel = sv_airstrafeaccelerate*maxspd_mod;\r
1194                                         if(sv_airstrafeaccelerate > sv_airaccelerate)\r
1195                                                 airaccelqw = 1;\r
1196                                 }\r
1197                         }\r
1198                         // !CPM\r
1199 \r
1200                         if(sv_warsowbunny_turnaccel && accelerating && self.movement_y == 0 && self.movement_x != 0)\r
1201                                 PM_AirAccelerate(wishdir, wishspeed);\r
1202                         else\r
1203                                 PM_Accelerate(wishdir, wishspeed, wishspeed0, airaccel, airaccelqw, sv_airaccel_sideways_friction / maxairspd);\r
1204 \r
1205                         if(sv_aircontrol)\r
1206                                 CPM_PM_Aircontrol(wishdir, wishspeed2);\r
1207                 }\r
1208         }\r
1209 \r
1210         if((g_cts || g_race) && self.classname != "observer") {\r
1211                 if(vlen(self.velocity - self.velocity_z * '0 0 1') > speedaward_speed) {\r
1212                         speedaward_speed = vlen(self.velocity - self.velocity_z * '0 0 1');\r
1213                         speedaward_holder = self.netname;\r
1214                         speedaward_lastupdate = time;\r
1215                 }\r
1216                 if(speedaward_speed > speedaward_lastsent && time - speedaward_lastupdate > 1) {\r
1217                         string rr;\r
1218                         if(g_cts)\r
1219                                 rr = CTS_RECORD;\r
1220                         else\r
1221                                 rr = RACE_RECORD;\r
1222                         race_send_speedaward(MSG_ALL);\r
1223                         speedaward_lastsent = speedaward_speed;\r
1224                         if (speedaward_speed > speedaward_alltimebest) {\r
1225                                 speedaward_alltimebest = speedaward_speed;\r
1226                                 speedaward_alltimebest_holder = speedaward_holder;\r
1227                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/speed"), ftos(speedaward_alltimebest));\r
1228                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/netname"), speedaward_alltimebest_holder);\r
1229                                 race_send_speedaward_alltimebest(MSG_ALL);\r
1230                         }\r
1231                 }\r
1232         }\r
1233 \r
1234         if(vlen(self.velocity) > cvar("g_deathspeed"))\r
1235                 Damage(self, world, world, 100000, DEATH_KILL, self.origin, '0 0 0');\r
1236 \r
1237 :end\r
1238         if(self.flags & FL_ONGROUND)\r
1239                 self.lastground = time;\r
1240 \r
1241         self.lastflags = self.flags;\r
1242         self.lastclassname = self.classname;\r
1243 };\r