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.scale) // we are smaller or larger, so we jump lower or higher\r
  59                 mjumpheight *= (1 - cvar("g_healthsize_movementfactor")) + cvar("g_healthsize_movementfactor") * self.scale;\r
  60         if(self.swallow_progress_prey) // cut jumping based on swallow progress\r
  61                 mjumpheight *= 1 - (self.swallow_progress_prey * cvar("g_balance_vore_swallow_speed_cutspd"));\r
  62 \r
  63         if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
  64         {\r
  65                 if (self.watertype == CONTENT_WATER)\r
  66                         self.velocity_z = 200;\r
  67                 else if (self.watertype == CONTENT_SLIME)\r
  68                         self.velocity_z = 80;\r
  69                 else\r
  70                         self.velocity_z = 50;\r
  71 \r
  72                 return;\r
  73         }\r
  74 \r
  75         if (cvar("g_multijump"))\r
  76         {\r
  77                 if(self.prevlastteleporttime != self.lastteleporttime)\r
  78                 {\r
  79                         // if we teleported above the ground, require touching the ground again to multi-jump\r
  80                         self.multijump_ready = FALSE;\r
  81                         if(self.flags & FL_ONGROUND)\r
  82                                 self.prevlastteleporttime = self.lastteleporttime;\r
  83                 }\r
  84                 else if (self.prevjumpbutton == FALSE && !(self.flags & FL_ONGROUND)) // jump button pressed this frame and we are in midair\r
  85                         self.multijump_ready = TRUE;  // this is necessary to check that we released the jump button and pressed it again\r
  86                 else\r
  87                         self.multijump_ready = FALSE;\r
  88         }\r
  89 \r
  90         if(!doublejump && self.multijump_ready && self.multijump_count < cvar("g_multijump") && self.velocity_z > cvar("g_multijump_speed"))\r
  91         {\r
  92                 // doublejump = FALSE; // checked above in the if\r
  93                 if (cvar("g_multijump"))\r
  94                 {\r
  95                         if (cvar("g_multijump_add") == 0) // in this case we make the z velocity == jumpvelocity\r
  96                         {\r
  97                                 if (self.velocity_z < mjumpheight)\r
  98                                 {\r
  99                                         doublejump = TRUE;\r
 100                                         self.velocity_z = 0;\r
 101                                 }\r
 102                         }\r
 103                         else\r
 104                                 doublejump = TRUE;\r
 105 \r
 106                         if(doublejump)\r
 107                         {\r
 108                                 if(self.movement_x != 0 || self.movement_y != 0) // don't remove all speed if player isnt pressing any movement keys\r
 109                                 {\r
 110                                         float curspeed;\r
 111                                         vector wishvel, wishdir;\r
 112 \r
 113                                         curspeed = max(\r
 114                                                 vlen(vec2(self.velocity)), // current xy speed\r
 115                                                 vlen(vec2(antilag_takebackavgvelocity(self, max(self.lastteleporttime + sys_frametime, time - 0.25), time))) // average xy topspeed over the last 0.25 secs\r
 116                                         );\r
 117                                         makevectors(self.v_angle_y * '0 1 0');\r
 118                                         wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
 119                                         wishdir = normalize(wishvel);\r
 120 \r
 121                                         self.velocity_x = wishdir_x * curspeed; // allow "dodging" at a multijump\r
 122                                         self.velocity_y = wishdir_y * curspeed;\r
 123                                         // keep velocity_z unchanged!\r
 124                                 }\r
 125                                 if (cvar("g_multijump") > 0)\r
 126                                         self.multijump_count += 1;\r
 127                         }\r
 128                 }\r
 129                 self.multijump_ready = FALSE; // require releasing and pressing the jump button again for the next jump\r
 130         }\r
 131 \r
 132         if (!doublejump)\r
 133                 if (!(self.flags & FL_ONGROUND))\r
 134                         return;\r
 135 \r
 136         if(!sv_pogostick)\r
 137                 if (!(self.flags & FL_JUMPRELEASED))\r
 138                         return;\r
 139 \r
 140         if(self.health <= g_bloodloss)\r
 141                 return;\r
 142 \r
 143         if(cvar_string("sv_jumpspeedcap_min") != "")\r
 144                 self.velocity_z = max(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_min"), self.velocity_z);\r
 145         if(cvar_string("sv_jumpspeedcap_max") != "") {\r
 146                 if(trace_fraction < 1 && trace_plane_normal_z < 0.98 && cvar("sv_jumpspeedcap_max_disable_on_ramps")) {\r
 147                         // don't do jump speedcaps on ramps to preserve old voretournament ramjump style\r
 148                         //print("Trace plane normal z: ", ftos(trace_plane_normal_z), ", disabling speed cap!\n");\r
 149                 }\r
 150                 else\r
 151                         self.velocity_z = min(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_max"), self.velocity_z) + trace_ent.velocity_z;\r
 152         }\r
 153 \r
 154         if(!(self.lastflags & FL_ONGROUND))\r
 155         {\r
 156                 if(cvar("speedmeter"))\r
 157                         dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
 158                 if(self.lastground < time - 0.3)\r
 159                 {\r
 160                         self.velocity_x *= (1 - cvar("sv_friction_on_land"));\r
 161                         self.velocity_y *= (1 - cvar("sv_friction_on_land"));\r
 162                 }\r
 163                 if(self.jumppadcount > 1)\r
 164                         dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
 165                 self.jumppadcount = 0;\r
 166         }\r
 167 \r
 168         self.velocity_z = self.velocity_z + mjumpheight;\r
 169         self.oldvelocity_z = self.velocity_z;\r
 170 \r
 171         self.flags &~= FL_ONGROUND;\r
 172         self.flags &~= FL_JUMPRELEASED;\r
 173 \r
 174         if (self.crouch)\r
 175                 setanim(self, self.anim_duckjump, FALSE, TRUE, TRUE);\r
 176         else\r
 177                 setanim(self, self.anim_jump, FALSE, TRUE, TRUE);\r
 178 \r
 179         if(g_jump_grunt)\r
 180                 PlayerSound(self, playersound_jump, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 181 \r
 182         self.restart_jump = -1; // restart jump anim next time\r
 183         // value -1 is used to not use the teleport bit (workaround for tiny hitch when re-jumping)\r
 184 }\r
 185 \r
 186 void CheckWaterJump()\r
 187 {\r
 188         local vector start, end;\r
 189 \r
 190 // check for a jump-out-of-water\r
 191         makevectors (self.angles);\r
 192         start = self.origin;\r
 193         start_z = start_z + 8;\r
 194         v_forward_z = 0;\r
 195         normalize(v_forward);\r
 196         end = start + v_forward*24;\r
 197         traceline (start, end, TRUE, self);\r
 198         if (trace_fraction < 1)\r
 199         {       // solid at waist\r
 200                 start_z = start_z + self.maxs_z - 8;\r
 201                 end = start + v_forward*24;\r
 202                 self.movedir = trace_plane_normal * -50;\r
 203                 traceline (start, end, TRUE, self);\r
 204                 if (trace_fraction == 1)\r
 205                 {       // open at eye level\r
 206                         self.flags |= FL_WATERJUMP;\r
 207                         self.velocity_z = 225;\r
 208                         self.flags &~= FL_JUMPRELEASED;\r
 209                         self.teleport_time = time + 2;  // safety net\r
 210                         return;\r
 211                 }\r
 212         }\r
 213 };\r
 214 \r
 215 float racecar_angle(float forward, float down)\r
 216 {\r
 217         float ret, angle_mult;\r
 218 \r
 219         if(forward < 0)\r
 220         {\r
 221                 forward = -forward;\r
 222                 down = -down;\r
 223         }\r
 224 \r
 225         ret = vectoyaw('0 1 0' * down + '1 0 0' * forward);\r
 226 \r
 227         angle_mult = forward / (800 + forward);\r
 228 \r
 229         if(ret > 180)\r
 230                 return ret * angle_mult + 360 * (1 - angle_mult);\r
 231         else\r
 232                 return ret * angle_mult;\r
 233 }\r
 234 \r
 235 void RaceCarPhysics()\r
 236 {\r
 237         // using this move type for "big rigs"\r
 238         // the engine does not push the entity!\r
 239 \r
 240         float accel, steer, f;\r
 241         vector angles_save, rigvel;\r
 242 \r
 243         angles_save = self.angles;\r
 244         accel = bound(-1, self.movement_x / sv_maxspeed, 1);\r
 245         steer = bound(-1, self.movement_y / sv_maxspeed, 1);\r
 246 \r
 247         if(g_bugrigs_reverse_speeding)\r
 248         {\r
 249                 if(accel < 0)\r
 250                 {\r
 251                         // back accel is DIGITAL\r
 252                         // to prevent speedhack\r
 253                         if(accel < -0.5)\r
 254                                 accel = -1;\r
 255                         else\r
 256                                 accel = 0;\r
 257                 }\r
 258         }\r
 259 \r
 260         self.angles_x = 0;\r
 261         self.angles_z = 0;\r
 262         makevectors(self.angles); // new forward direction!\r
 263 \r
 264         if(self.flags & FL_ONGROUND || g_bugrigs_air_steering)\r
 265         {\r
 266                 float myspeed, upspeed, steerfactor, accelfactor;\r
 267 \r
 268                 myspeed = self.velocity * v_forward;\r
 269                 upspeed = self.velocity * v_up;\r
 270 \r
 271                 // responsiveness factor for steering and acceleration\r
 272                 f = 1 / (1 + pow(max(-myspeed, myspeed) / g_bugrigs_speed_ref, g_bugrigs_speed_pow));\r
 273                 //MAXIMA: f(v) := 1 / (1 + (v / g_bugrigs_speed_ref) ^ g_bugrigs_speed_pow);\r
 274 \r
 275                 if(myspeed < 0 && g_bugrigs_reverse_spinning)\r
 276                         steerfactor = -myspeed * g_bugrigs_steer;\r
 277                 else\r
 278                         steerfactor = -myspeed * f * g_bugrigs_steer;\r
 279 \r
 280                 if(myspeed < 0 && g_bugrigs_reverse_speeding)\r
 281                         accelfactor = g_bugrigs_accel;\r
 282                 else\r
 283                         accelfactor = f * g_bugrigs_accel;\r
 284                 //MAXIMA: accel(v) := f(v) * g_bugrigs_accel;\r
 285 \r
 286                 if(accel < 0)\r
 287                 {\r
 288                         if(myspeed > 0)\r
 289                         {\r
 290                                 myspeed = max(0, myspeed - frametime * (g_bugrigs_friction_floor - g_bugrigs_friction_brake * accel));\r
 291                         }\r
 292                         else\r
 293                         {\r
 294                                 if(!g_bugrigs_reverse_speeding)\r
 295                                         myspeed = min(0, myspeed + frametime * g_bugrigs_friction_floor);\r
 296                         }\r
 297                 }\r
 298                 else\r
 299                 {\r
 300                         if(myspeed >= 0)\r
 301                         {\r
 302                                 myspeed = max(0, myspeed - frametime * g_bugrigs_friction_floor);\r
 303                         }\r
 304                         else\r
 305                         {\r
 306                                 if(g_bugrigs_reverse_stopping)\r
 307                                         myspeed = 0;\r
 308                                 else\r
 309                                         myspeed = min(0, myspeed + frametime * (g_bugrigs_friction_floor + g_bugrigs_friction_brake * accel));\r
 310                         }\r
 311                 }\r
 312                 // terminal velocity = velocity at which 50 == accelfactor, that is, 1549 units/sec\r
 313                 //MAXIMA: friction(v) := g_bugrigs_friction_floor;\r
 314 \r
 315                 self.angles_y += steer * frametime * steerfactor; // apply steering\r
 316                 makevectors(self.angles); // new forward direction!\r
 317 \r
 318                 myspeed += accel * accelfactor * frametime;\r
 319 \r
 320                 rigvel = myspeed * v_forward + '0 0 1' * upspeed;\r
 321         }\r
 322         else\r
 323         {\r
 324                 myspeed = vlen(self.velocity);\r
 325 \r
 326                 // responsiveness factor for steering and acceleration\r
 327                 f = 1 / (1 + pow(max(0, myspeed / g_bugrigs_speed_ref), g_bugrigs_speed_pow));\r
 328                 steerfactor = -myspeed * f;\r
 329                 self.angles_y += steer * frametime * steerfactor; // apply steering\r
 330 \r
 331                 rigvel = self.velocity;\r
 332                 makevectors(self.angles); // new forward direction!\r
 333         }\r
 334 \r
 335         rigvel = rigvel * max(0, 1 - vlen(rigvel) * g_bugrigs_friction_air * frametime);\r
 336         //MAXIMA: airfriction(v) := v * v * g_bugrigs_friction_air;\r
 337         //MAXIMA: total_acceleration(v) := accel(v) - friction(v) - airfriction(v);\r
 338         //MAXIMA: solve(total_acceleration(v) = 0, v);\r
 339 \r
 340         if(g_bugrigs_planar_movement)\r
 341         {\r
 342                 vector rigvel_xy, neworigin, up;\r
 343                 float mt;\r
 344 \r
 345                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better\r
 346                 rigvel_xy = rigvel;\r
 347                 rigvel_xy_z = 0;\r
 348 \r
 349                 if(g_bugrigs_planar_movement_car_jumping && !g_touchexplode) // touchexplode is a better way to handle collisions\r
 350                         mt = MOVE_NORMAL;\r
 351                 else\r
 352                         mt = MOVE_NOMONSTERS;\r
 353 \r
 354                 tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 1024', mt, self);\r
 355                 up = trace_endpos - self.origin;\r
 356 \r
 357                 // BUG RIGS: align the move to the surface instead of doing collision testing\r
 358                 // can we move?\r
 359                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos + rigvel_xy * frametime, mt, self);\r
 360 \r
 361                 // align to surface\r
 362                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos - up + '0 0 1' * rigvel_z * frametime, mt, self);\r
 363 \r
 364                 if(trace_fraction < 0.5)\r
 365                 {\r
 366                         trace_fraction = 1;\r
 367                         neworigin = self.origin;\r
 368                 }\r
 369                 else\r
 370                         neworigin = trace_endpos;\r
 371 \r
 372                 if(trace_fraction < 1)\r
 373                 {\r
 374                         // now set angles_x so that the car points parallel to the surface\r
 375                         self.angles = vectoangles(\r
 376                                         '1 0 0' * v_forward_x * trace_plane_normal_z\r
 377                                         +\r
 378                                         '0 1 0' * v_forward_y * trace_plane_normal_z\r
 379                                         +\r
 380                                         '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y)\r
 381                                         );\r
 382                         self.flags |= FL_ONGROUND;\r
 383                 }\r
 384                 else\r
 385                 {\r
 386                         // now set angles_x so that the car points forward, but is tilted in velocity direction\r
 387                         self.flags &~= FL_ONGROUND;\r
 388                 }\r
 389 \r
 390                 self.velocity = (neworigin - self.origin) * (1.0 / frametime);\r
 391                 self.movetype = MOVETYPE_NOCLIP;\r
 392         }\r
 393         else\r
 394         {\r
 395                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better\r
 396                 self.velocity = rigvel;\r
 397                 self.movetype = MOVETYPE_FLY;\r
 398         }\r
 399 \r
 400         trace_fraction = 1;\r
 401         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 4', MOVE_NORMAL, self);\r
 402         if(trace_fraction != 1)\r
 403         {\r
 404                 self.angles = vectoangles2(\r
 405                                 '1 0 0' * v_forward_x * trace_plane_normal_z\r
 406                                 +\r
 407                                 '0 1 0' * v_forward_y * trace_plane_normal_z\r
 408                                 +\r
 409                                 '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y),\r
 410                                 trace_plane_normal\r
 411                                 );\r
 412         }\r
 413         else\r
 414         {\r
 415                 vector vel_local;\r
 416 \r
 417                 vel_local_x = v_forward * self.velocity;\r
 418                 vel_local_y = v_right * self.velocity;\r
 419                 vel_local_z = v_up * self.velocity;\r
 420 \r
 421                 self.angles_x = racecar_angle(vel_local_x, vel_local_z);\r
 422                 self.angles_z = racecar_angle(-vel_local_y, vel_local_z);\r
 423         }\r
 424 \r
 425         // smooth the angles\r
 426         vector vf1, vu1, smoothangles;\r
 427         makevectors(self.angles);\r
 428         f = bound(0, frametime * g_bugrigs_angle_smoothing, 1);\r
 429         if(f == 0)\r
 430                 f = 1;\r
 431         vf1 = v_forward * f;\r
 432         vu1 = v_up * f;\r
 433         makevectors(angles_save);\r
 434         vf1 = vf1 + v_forward * (1 - f);\r
 435         vu1 = vu1 + v_up * (1 - f);\r
 436         smoothangles = vectoangles2(vf1, vu1);\r
 437         self.angles_x = -smoothangles_x;\r
 438         self.angles_z =  smoothangles_z;\r
 439 }\r
 440 \r
 441 float IsMoveInDirection(vector mv, float angle) // key mix factor\r
 442 {\r
 443         if(mv_x == 0 && mv_y == 0)\r
 444                 return 0; // avoid division by zero\r
 445         angle = RAD2DEG * atan2(mv_y, mv_x);\r
 446         angle = remainder(angle, 360) / 45;\r
 447         if(angle >  1)\r
 448                 return 0;\r
 449         if(angle < -1)\r
 450                 return 0;\r
 451         return 1 - fabs(angle);\r
 452 }\r
 453 \r
 454 void CPM_PM_Aircontrol(vector wishdir, float wishspeed)\r
 455 {\r
 456         float zspeed, xyspeed, dot, k;\r
 457 \r
 458 #if 0\r
 459         // this doesn't play well with analog input\r
 460         if(self.movement_x == 0 || self.movement_y != 0)\r
 461                 return; // can't control movement if not moving forward or backward\r
 462         k = 32;\r
 463 #else\r
 464         k = 32 * (2 * IsMoveInDirection(self.movement, 0) - 1);\r
 465         if(k <= 0)\r
 466                 return;\r
 467 #endif\r
 468 \r
 469         k *= bound(0, wishspeed / sv_maxairspeed, 1);\r
 470 \r
 471         zspeed = self.velocity_z;\r
 472         self.velocity_z = 0;\r
 473         xyspeed = vlen(self.velocity); self.velocity = normalize(self.velocity);\r
 474 \r
 475         dot = self.velocity * wishdir;\r
 476         k *= sv_aircontrol*dot*dot*frametime;\r
 477 \r
 478         if(dot > 0) // we can't change direction while slowing down\r
 479         {\r
 480                 self.velocity = normalize(self.velocity * xyspeed + wishdir * k);\r
 481         }\r
 482 \r
 483         self.velocity = self.velocity * xyspeed;\r
 484         self.velocity_z = zspeed;\r
 485 }\r
 486 \r
 487 // example config for alternate speed clamping:\r
 488 //   sv_airaccel_qw 0.8\r
 489 //   sv_airaccel_sideways_friction 0\r
 490 //   prvm_globalset server speedclamp_mode 1\r
 491 //     (or 2)\r
 492 void PM_Accelerate(vector wishdir, float wishspeed, float wishspeed0, float accel, float accelqw, float sidefric)\r
 493 {\r
 494         float vel_straight;\r
 495         float vel_z;\r
 496         vector vel_perpend;\r
 497         float step;\r
 498 \r
 499         vector vel_xy;\r
 500         float vel_xy_current;\r
 501         float vel_xy_backward, vel_xy_forward;\r
 502         float speedclamp;\r
 503 \r
 504         speedclamp = (accelqw < 0);\r
 505         if(speedclamp)\r
 506                 accelqw = -accelqw;\r
 507 \r
 508         if(self.scale) // we are smaller or larger, so we run slower or faster\r
 509                 wishspeed *= (1 - cvar("g_healthsize_movementfactor")) + cvar("g_healthsize_movementfactor") * self.scale; \r
 510         if(self.swallow_progress_prey) // cut speed based on swallow progress\r
 511                 wishspeed *= 1 - (self.swallow_progress_prey * cvar("g_balance_vore_swallow_speed_cutspd"));\r
 512 \r
 513         if(cvar("sv_gameplayfix_q2airaccelerate"))\r
 514                 wishspeed0 = wishspeed;\r
 515 \r
 516         vel_straight = self.velocity * wishdir;\r
 517         vel_z = self.velocity_z;\r
 518         vel_xy = self.velocity - vel_z * '0 0 1';\r
 519         vel_perpend = vel_xy - vel_straight * wishdir;\r
 520 \r
 521         step = accel * frametime * wishspeed0;\r
 522 \r
 523         vel_xy_current  = vlen(vel_xy);\r
 524         vel_xy_forward  = vel_xy_current + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);\r
 525         vel_xy_backward = vel_xy_current - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);\r
 526         if(vel_xy_backward < 0)\r
 527                 vel_xy_backward = 0; // not that it REALLY occurs that this would cause wrong behaviour afterwards\r
 528 \r
 529         vel_straight = vel_straight + bound(0, wishspeed - vel_straight, step) * accelqw + step * (1 - accelqw);\r
 530 \r
 531         if(sidefric < 0 && (vel_perpend*vel_perpend))\r
 532                 // negative: only apply so much sideways friction to stay below the speed you could get by "braking"\r
 533         {\r
 534                 float f, fminimum;\r
 535                 f = max(0, 1 + frametime * wishspeed * sidefric);\r
 536                 fminimum = (vel_xy_backward*vel_xy_backward - vel_straight*vel_straight) / (vel_perpend*vel_perpend);\r
 537                 // this cannot be > 1\r
 538                 if(fminimum <= 0)\r
 539                         vel_perpend = vel_perpend * max(0, f);\r
 540                 else\r
 541                 {\r
 542                         fminimum = sqrt(fminimum);\r
 543                         vel_perpend = vel_perpend * max(fminimum, f);\r
 544                 }\r
 545         }\r
 546         else\r
 547                 vel_perpend = vel_perpend * max(0, 1 - frametime * wishspeed * sidefric);\r
 548         \r
 549         vel_xy = vel_straight * wishdir + vel_perpend;\r
 550         \r
 551         if(speedclamp)\r
 552         {\r
 553                 // ensure we don't get too fast or decelerate faster than we should\r
 554                 vel_xy_current = min(vlen(vel_xy), vel_xy_forward);\r
 555                 if(vel_xy_current > 0) // prevent division by zero\r
 556                         vel_xy = normalize(vel_xy) * vel_xy_current;\r
 557         }\r
 558 \r
 559         self.velocity = vel_xy + vel_z * '0 0 1';\r
 560 }\r
 561 \r
 562 void PM_AirAccelerate(vector wishdir, float wishspeed)\r
 563 {\r
 564         vector curvel, wishvel, acceldir, curdir;\r
 565         float addspeed, accelspeed, curspeed, f;\r
 566         float dot;\r
 567 \r
 568         if(wishspeed == 0)\r
 569                 return;\r
 570 \r
 571         curvel = self.velocity;\r
 572         curvel_z = 0;\r
 573         curspeed = vlen(curvel);\r
 574 \r
 575         if(wishspeed > curspeed * 1.01)\r
 576         {\r
 577                 wishspeed = min(wishspeed, curspeed + sv_warsowbunny_airforwardaccel * sv_maxspeed * frametime);\r
 578         }\r
 579         else\r
 580         {\r
 581                 f = max(0, (sv_warsowbunny_topspeed - curspeed) / (sv_warsowbunny_topspeed - sv_maxspeed));\r
 582                 wishspeed = max(curspeed, sv_maxspeed) + sv_warsowbunny_accel * f * sv_maxspeed * frametime;\r
 583         }\r
 584         wishvel = wishdir * wishspeed;\r
 585         acceldir = wishvel - curvel;\r
 586         addspeed = vlen(acceldir);\r
 587         acceldir = normalize(acceldir);\r
 588 \r
 589         accelspeed = min(addspeed, sv_warsowbunny_turnaccel * sv_maxspeed * frametime);\r
 590 \r
 591         if(sv_warsowbunny_backtosideratio < 1)\r
 592         {\r
 593                 curdir = normalize(curvel);\r
 594                 dot = acceldir * curdir;\r
 595                 if(dot < 0)\r
 596                         acceldir = acceldir - (1 - sv_warsowbunny_backtosideratio) * dot * curdir;\r
 597         }\r
 598 \r
 599         self.velocity += accelspeed * acceldir;\r
 600 }\r
 601 \r
 602 .vector movement_old;\r
 603 .float buttons_old;\r
 604 .vector v_angle_old;\r
 605 .string lastclassname;\r
 606 \r
 607 .float() PlayerPhysplug;\r
 608 \r
 609 string specialcommand = "xwxwxsxsxaxdxaxdx1x ";\r
 610 .float specialcommand_pos;\r
 611 void SpecialCommand()\r
 612 {\r
 613 #ifdef TETRIS\r
 614         TetrisImpulse();\r
 615 #else\r
 616         if(!CheatImpulse(99))\r
 617                 print("A hollow voice says \"Plugh\".\n");\r
 618 #endif\r
 619 }\r
 620 \r
 621 float speedaward_speed;\r
 622 string speedaward_holder;\r
 623 void race_send_speedaward(float msg)\r
 624 {\r
 625         // send the best speed of the round\r
 626         WriteByte(msg, SVC_TEMPENTITY);\r
 627         WriteByte(msg, TE_CSQC_RACE);\r
 628         WriteByte(msg, RACE_NET_SPEED_AWARD);\r
 629         WriteInt24_t(msg, floor(speedaward_speed+0.5));\r
 630         WriteString(msg, speedaward_holder);\r
 631 }\r
 632 \r
 633 float speedaward_alltimebest;\r
 634 string speedaward_alltimebest_holder;\r
 635 void race_send_speedaward_alltimebest(float msg)\r
 636 {\r
 637         // send the best speed\r
 638         WriteByte(msg, SVC_TEMPENTITY);\r
 639         WriteByte(msg, TE_CSQC_RACE);\r
 640         WriteByte(msg, RACE_NET_SPEED_AWARD_BEST);\r
 641         WriteInt24_t(msg, floor(speedaward_alltimebest+0.5));\r
 642         WriteString(msg, speedaward_alltimebest_holder);\r
 643 }\r
 644 \r
 645 string GetMapname(void);\r
 646 float speedaward_lastupdate;\r
 647 float speedaward_lastsent;\r
 648 .float jumppadusetime;\r
 649 void SV_PlayerPhysics()\r
 650 {\r
 651         local vector wishvel, wishdir, v;\r
 652         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, buttons;\r
 653         string temps;\r
 654         float buttons_prev;\r
 655         float not_allowed_to_move;\r
 656         string c;\r
 657 \r
 658     if(self.PlayerPhysplug)\r
 659         if(self.PlayerPhysplug())\r
 660             return;\r
 661 \r
 662         self.race_movetime_frac += frametime;\r
 663         f = floor(self.race_movetime_frac);\r
 664         self.race_movetime_frac -= f;\r
 665         self.race_movetime_count += f;\r
 666         self.race_movetime = self.race_movetime_frac + self.race_movetime_count;\r
 667 \r
 668         anticheat_physics();\r
 669 \r
 670         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
 671 \r
 672         if(!buttons)\r
 673                 c = "x";\r
 674         else if(buttons == 1)\r
 675                 c = "1";\r
 676         else if(buttons == 2)\r
 677                 c = " ";\r
 678         else if(buttons == 128)\r
 679                 c = "s";\r
 680         else if(buttons == 256)\r
 681                 c = "w";\r
 682         else if(buttons == 512)\r
 683                 c = "a";\r
 684         else if(buttons == 1024)\r
 685                 c = "d";\r
 686         else\r
 687                 c = "?";\r
 688 \r
 689         if(c == substring(specialcommand, self.specialcommand_pos, 1))\r
 690         {\r
 691                 self.specialcommand_pos += 1;\r
 692                 if(self.specialcommand_pos >= strlen(specialcommand))\r
 693                 {\r
 694                         self.specialcommand_pos = 0;\r
 695                         SpecialCommand();\r
 696                         return;\r
 697                 }\r
 698         }\r
 699         else if(self.specialcommand_pos && (c != substring(specialcommand, self.specialcommand_pos - 1, 1)))\r
 700                 self.specialcommand_pos = 0;\r
 701 \r
 702         if(!sv_maxidle_spectatorsareidle || self.movetype == MOVETYPE_WALK)\r
 703         {\r
 704                 if(buttons != self.buttons_old || self.movement != self.movement_old || self.v_angle != self.v_angle_old)\r
 705                         self.parm_idlesince = time;\r
 706         }\r
 707         buttons_prev = self.buttons_old;\r
 708         self.buttons_old = buttons;\r
 709         self.movement_old = self.movement;\r
 710         self.v_angle_old = self.v_angle;\r
 711 \r
 712         if(time < self.nickspamtime)\r
 713         if(self.nickspamcount >= cvar("g_nick_flood_penalty_yellow"))\r
 714         {\r
 715                 // slight annoyance for nick change scripts\r
 716                 self.movement = -1 * self.movement;\r
 717                 self.BUTTON_ATCK = self.BUTTON_JUMP = self.BUTTON_ATCK2 = self.BUTTON_ZOOM = self.BUTTON_CROUCH = self.BUTTON_JETPACK = self.BUTTON_USE = 0;\r
 718 \r
 719                 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
 720                 {\r
 721                         self.angles_x = random() * 360;\r
 722                         self.angles_y = random() * 360;\r
 723                         // at least I'm not forcing retardedview by also assigning to angles_z\r
 724                         self.fixangle = 1;\r
 725                 }\r
 726         }\r
 727 \r
 728         if (self.punchangle != '0 0 0')\r
 729         {\r
 730                 f = vlen(self.punchangle) - 15 * frametime;\r
 731                 if (f > 0)\r
 732                         self.punchangle = normalize(self.punchangle) * f;\r
 733                 else\r
 734                         self.punchangle = '0 0 0';\r
 735         }\r
 736 \r
 737         if (self.punchvector != '0 0 0')\r
 738         {\r
 739                 f = vlen(self.punchvector) - 30 * frametime;\r
 740                 if (f > 0)\r
 741                         self.punchvector = normalize(self.punchvector) * f;\r
 742                 else\r
 743                         self.punchvector = '0 0 0';\r
 744         }\r
 745 \r
 746         if (clienttype(self) == CLIENTTYPE_BOT)\r
 747         {\r
 748                 if(playerdemo_read())\r
 749                         return;\r
 750                 bot_think();\r
 751         }\r
 752 \r
 753         self.items &~= IT_USING_JETPACK;\r
 754 \r
 755         if(self.classname == "player")\r
 756         {\r
 757                 if(self.race_penalty)\r
 758                         if(time > self.race_penalty)\r
 759                                 self.race_penalty = 0;\r
 760 \r
 761                 not_allowed_to_move = 0;\r
 762                 if(self.race_penalty)\r
 763                         not_allowed_to_move = 1;\r
 764                 if(!cvar("sv_ready_restart_after_countdown"))\r
 765                 if(time < game_starttime)\r
 766                         not_allowed_to_move = 1;\r
 767 \r
 768                 if(not_allowed_to_move)\r
 769                 {\r
 770                         self.velocity = '0 0 0';\r
 771                         self.movetype = MOVETYPE_NONE;\r
 772                         self.disableclientprediction = 2;\r
 773                 }\r
 774                 else if(self.disableclientprediction == 2)\r
 775                 {\r
 776                         if(self.movetype == MOVETYPE_NONE)\r
 777                                 self.movetype = MOVETYPE_WALK;\r
 778                         self.disableclientprediction = 0;\r
 779                 }\r
 780         }\r
 781 \r
 782         if(self.stat_eaten)\r
 783                 return;\r
 784 \r
 785         if (self.movetype == MOVETYPE_NONE)\r
 786                 return;\r
 787 \r
 788         maxspd_mod = 1;\r
 789 \r
 790         swampspd_mod = 1;\r
 791         if(self.in_swamp) {\r
 792                 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");\r
 793         }\r
 794 \r
 795         if(self.classname != "player")\r
 796         {\r
 797                 maxspd_mod = cvar("sv_spectator_speed_multiplier");\r
 798                 if(!self.spectatorspeed)\r
 799                         self.spectatorspeed = maxspd_mod;\r
 800                 if(self.impulse && self.impulse <= 19)\r
 801                 {\r
 802                         if(self.lastclassname != "player")\r
 803                         {\r
 804                                 if(self.impulse == 10 || self.impulse == 15 || self.impulse == 18)\r
 805                                         self.spectatorspeed = bound(1, self.spectatorspeed + 0.5, 5);\r
 806                                 else if(self.impulse == 11)\r
 807                                         self.spectatorspeed = maxspd_mod;\r
 808                                 else if(self.impulse == 12 || self.impulse == 16  || self.impulse == 19)\r
 809                                         self.spectatorspeed = bound(1, self.spectatorspeed - 0.5, 5);\r
 810                                 else if(self.impulse >= 1 && self.impulse <= 9)\r
 811                                         self.spectatorspeed = 1 + 0.5 * (self.impulse - 1);\r
 812                         } // otherwise just clear\r
 813                         self.impulse = 0;\r
 814                 }\r
 815                 maxspd_mod = self.spectatorspeed;\r
 816         }\r
 817 \r
 818         spd = max(sv_maxspeed, sv_maxairspeed) * maxspd_mod * swampspd_mod;\r
 819         if(self.speed != spd)\r
 820         {\r
 821                 self.speed = spd;\r
 822                 temps = ftos(spd);\r
 823                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));\r
 824                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));\r
 825                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));\r
 826                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));\r
 827         }\r
 828 \r
 829         maxspd_mod *= swampspd_mod; // only one common speed modder please!\r
 830         if(cvar("g_balance_vore_weight_gravity") > 0)\r
 831                 maxspd_mod *= 1 - bound(0, self.stomach_load * cvar("g_balance_vore_weight_speed"), 1); // apply stomach weight\r
 832         swampspd_mod = 1;\r
 833 \r
 834         // if dead, behave differently\r
 835         if (self.deadflag)\r
 836                 goto end;\r
 837 \r
 838         if (!self.fixangle && !g_bugrigs)\r
 839         {\r
 840                 self.angles_x = 0;\r
 841                 self.angles_y = self.v_angle_y;\r
 842                 self.angles_z = 0;\r
 843         }\r
 844 \r
 845         if(self.flags & FL_ONGROUND)\r
 846         if(self.wasFlying)\r
 847         {\r
 848                 self.wasFlying = 0;\r
 849 \r
 850                 if(self.waterlevel < WATERLEVEL_SWIMMING)\r
 851                 if(time >= self.ladder_time)\r
 852                 if not(self.grabber)\r
 853                 {\r
 854                         self.nextstep = time + 0.3 + random() * 0.1;\r
 855                         trace_dphitq3surfaceflags = 0;\r
 856                         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 1', MOVE_NOMONSTERS, self);\r
 857                         if not(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOSTEPS)\r
 858                         {\r
 859                                 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)\r
 860                                         GlobalSound(globalsound_metalfall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 861                                 else\r
 862                                         GlobalSound(globalsound_fall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 863                         }\r
 864                 }\r
 865         }\r
 866 \r
 867         if(IsFlying(self))\r
 868                 self.wasFlying = 1;\r
 869 \r
 870         if(self.classname == "player")\r
 871         {\r
 872                 if(self.flags & FL_ONGROUND)\r
 873                 {\r
 874                         if (cvar("g_multijump") > 0)\r
 875                                 self.multijump_count = 0;\r
 876                         else\r
 877                                 self.multijump_count = -2; // the cvar value for infinite jumps is -1, so this needs to be smaller\r
 878                 }\r
 879 \r
 880                 if (self.BUTTON_JUMP)\r
 881                         PlayerJump ();\r
 882                 else\r
 883                         self.flags |= FL_JUMPRELEASED;\r
 884 \r
 885                 if (self.waterlevel == WATERLEVEL_SWIMMING)\r
 886                         CheckWaterJump ();\r
 887                 self.prevjumpbutton = self.BUTTON_JUMP;\r
 888         }\r
 889 \r
 890         if (self.flags & FL_WATERJUMP )\r
 891         {\r
 892                 self.velocity_x = self.movedir_x;\r
 893                 self.velocity_y = self.movedir_y;\r
 894                 if (time > self.teleport_time || self.waterlevel == WATERLEVEL_NONE)\r
 895                 {\r
 896                         self.flags &~= FL_WATERJUMP;\r
 897                         self.teleport_time = 0;\r
 898                 }\r
 899         }\r
 900         else if (g_bugrigs && self.classname == "player")\r
 901         {\r
 902                 RaceCarPhysics();\r
 903         }\r
 904         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY)\r
 905         {\r
 906                 // noclipping or flying\r
 907                 self.flags &~= FL_ONGROUND;\r
 908 \r
 909                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 910                 makevectors(self.v_angle);\r
 911                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 912                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 913                 // acceleration\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                 if (time >= self.teleport_time)\r
 919                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 920         }\r
 921         else if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
 922         {\r
 923                 // swimming\r
 924                 self.flags &~= FL_ONGROUND;\r
 925 \r
 926                 makevectors(self.v_angle);\r
 927                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 928                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 929                 if (wishvel == '0 0 0')\r
 930                         wishvel = '0 0 -60'; // drift towards bottom\r
 931 \r
 932                 wishdir = normalize(wishvel);\r
 933                 wishspeed = vlen(wishvel);\r
 934                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 935                         wishspeed = sv_maxspeed*maxspd_mod;\r
 936                 wishspeed = wishspeed * 0.7;\r
 937 \r
 938                 // water friction\r
 939                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 940 \r
 941                 // water acceleration\r
 942                 PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 943         }\r
 944         else if (time < self.ladder_time)\r
 945         {\r
 946                 // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water\r
 947                 self.flags &~= FL_ONGROUND;\r
 948 \r
 949                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 950                 makevectors(self.v_angle);\r
 951                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 952                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 953                 if (self.gravity)\r
 954                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;\r
 955                 else\r
 956                         self.velocity_z = self.velocity_z + sv_gravity * frametime;\r
 957                 if (self.ladder_entity.classname == "func_water")\r
 958                 {\r
 959                         f = vlen(wishvel);\r
 960                         if (f > self.ladder_entity.speed)\r
 961                                 wishvel = wishvel * (self.ladder_entity.speed / f);\r
 962 \r
 963                         self.watertype = self.ladder_entity.skin;\r
 964                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;\r
 965                         if ((self.origin_z + self.view_ofs_z) < f)\r
 966                                 self.waterlevel = WATERLEVEL_SUBMERGED;\r
 967                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)\r
 968                                 self.waterlevel = WATERLEVEL_SWIMMING;\r
 969                         else if ((self.origin_z + self.mins_z + 1) < f)\r
 970                                 self.waterlevel = WATERLEVEL_WETFEET;\r
 971                         else\r
 972                         {\r
 973                                 self.waterlevel = WATERLEVEL_NONE;\r
 974                                 self.watertype = CONTENT_EMPTY;\r
 975                         }\r
 976                 }\r
 977                 // acceleration\r
 978                 wishdir = normalize(wishvel);\r
 979                 wishspeed = vlen(wishvel);\r
 980                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 981                         wishspeed = sv_maxspeed*maxspd_mod;\r
 982                 if (time >= self.teleport_time)\r
 983                 {\r
 984                         // water acceleration\r
 985                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 986                 }\r
 987         }\r
 988         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.stat_eaten)\r
 989         {\r
 990                 //makevectors(self.v_angle_y * '0 1 0');\r
 991                 makevectors(self.v_angle);\r
 992                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
 993                 // add remaining speed as Z component\r
 994                 maxairspd = sv_maxairspeed*max(1, maxspd_mod);\r
 995                 // fix speedhacks :P\r
 996                 wishvel = normalize(wishvel) * min(vlen(wishvel) / maxairspd, 1);\r
 997                 // add the unused velocity as up component\r
 998                 wishvel_z = 0;\r
 999 \r
1000                 // if(self.BUTTON_JUMP)\r
1001                         wishvel_z = sqrt(max(0, 1 - wishvel * wishvel));\r
1002 \r
1003                 // it is now normalized, so...\r
1004                 float a_side, a_up, a_add, a_diff;\r
1005                 a_side = cvar("g_jetpack_acceleration_side");\r
1006                 a_up = cvar("g_jetpack_acceleration_up");\r
1007                 a_add = cvar("g_jetpack_antigravity") * sv_gravity;\r
1008 \r
1009                 wishvel_x *= a_side;\r
1010                 wishvel_y *= a_side;\r
1011                 wishvel_z *= a_up;\r
1012                 wishvel_z += a_add;\r
1013 \r
1014                 float best;\r
1015                 best = 0;\r
1016                 //////////////////////////////////////////////////////////////////////////////////////\r
1017                 // finding the maximum over all vectors of above form\r
1018                 // with wishvel having an absolute value of 1\r
1019                 //////////////////////////////////////////////////////////////////////////////////////\r
1020                 // we're finding the maximum over\r
1021                 //   f(a_side, a_up, a_add, z) := a_side * (1 - z^2) + (a_add + a_up * z)^2;\r
1022                 // for z in the range from -1 to 1\r
1023                 //////////////////////////////////////////////////////////////////////////////////////\r
1024                 // maximum is EITHER attained at the single extreme point:\r
1025                 a_diff = a_side * a_side - a_up * a_up;\r
1026                 if(a_diff != 0)\r
1027                 {\r
1028                         f = a_add * a_up / a_diff; // this is the zero of diff(f(a_side, a_up, a_add, z), z)\r
1029                         if(f > -1 && f < 1) // can it be attained?\r
1030                         {\r
1031                                 best = (a_diff + a_add * a_add) * (a_diff + a_up * a_up) / a_diff;\r
1032                                 //print("middle\n");\r
1033                         }\r
1034                 }\r
1035                 // OR attained at z = 1:\r
1036                 f = (a_up + a_add) * (a_up + a_add);\r
1037                 if(f > best)\r
1038                 {\r
1039                         best = f;\r
1040                         //print("top\n");\r
1041                 }\r
1042                 // OR attained at z = -1:\r
1043                 f = (a_up - a_add) * (a_up - a_add);\r
1044                 if(f > best)\r
1045                 {\r
1046                         best = f;\r
1047                         //print("bottom\n");\r
1048                 }\r
1049                 best = sqrt(best);\r
1050                 //////////////////////////////////////////////////////////////////////////////////////\r
1051 \r
1052                 //print("best possible acceleration: ", ftos(best), "\n");\r
1053 \r
1054                 float fxy, fz;\r
1055                 fxy = bound(0, 1 - (self.velocity * normalize(wishvel_x * '1 0 0' + wishvel_y * '0 1 0')) / cvar("g_jetpack_maxspeed_side"), 1);\r
1056                 if(wishvel_z - sv_gravity > 0)\r
1057                         fz = bound(0, 1 - self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1058                 else\r
1059                         fz = bound(0, 1 + self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1060 \r
1061                 float fvel;\r
1062                 fvel = vlen(wishvel);\r
1063                 wishvel_x *= fxy;\r
1064                 wishvel_y *= fxy;\r
1065                 wishvel_z = (wishvel_z - sv_gravity) * fz + sv_gravity;\r
1066 \r
1067                 fvel = min(1, vlen(wishvel) / best);\r
1068                 if(cvar("g_jetpack_fuel") && !(self.items & IT_UNLIMITED_WEAPON_AMMO))\r
1069                         f = min(1, self.ammo_fuel / (cvar("g_jetpack_fuel") * frametime * fvel));\r
1070                 else\r
1071                         f = 1;\r
1072 \r
1073                 //print("this acceleration: ", ftos(vlen(wishvel) * f), "\n");\r
1074 \r
1075                 if (f > 0 && wishvel != '0 0 0')\r
1076                 {\r
1077                         self.velocity = self.velocity + wishvel * f * frametime;\r
1078                         if not(self.items & IT_UNLIMITED_WEAPON_AMMO)\r
1079                                 self.ammo_fuel -= cvar("g_jetpack_fuel") * frametime * fvel * f;\r
1080                         self.flags &~= FL_ONGROUND;\r
1081                         self.items |= IT_USING_JETPACK;\r
1082 \r
1083                         // jetpack also inhibits health regeneration, but only for 1 second\r
1084                         self.pauseregenhealth_finished = max(self.pauseregenhealth_finished, time + cvar("g_balance_pause_fuel_regen"));\r
1085                 }\r
1086         }\r
1087         else if (self.flags & FL_ONGROUND)\r
1088         {\r
1089                 // we get here if we ran out of ammo\r
1090                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && !self.stat_eaten)\r
1091                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1092 \r
1093                 // walking\r
1094                 makevectors(self.v_angle_y * '0 1 0');\r
1095                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1096 \r
1097                 if(!(self.lastflags & FL_ONGROUND))\r
1098                 {\r
1099                         if(cvar("speedmeter"))\r
1100                                 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
1101                         if(self.lastground < time - 0.3)\r
1102                                 self.velocity = self.velocity * (1 - cvar("sv_friction_on_land"));\r
1103                         if(self.jumppadcount > 1)\r
1104                                 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
1105                         self.jumppadcount = 0;\r
1106                 }\r
1107 \r
1108 #ifdef LETS_TEST_FTEQCC\r
1109                 if(self.velocity_x || self.velocity_y)\r
1110                 {\r
1111                         // good\r
1112                 }\r
1113                 else\r
1114                 {\r
1115                         if(self.velocity_x)\r
1116                                 checkclient();\r
1117                         if(self.velocity_y)\r
1118                                 checkclient();\r
1119                 }\r
1120 #endif\r
1121 \r
1122                 v = self.velocity;\r
1123                 v_z = 0;\r
1124                 f = vlen(v);\r
1125                 if(f > 0)\r
1126                 {\r
1127                         if (f < sv_stopspeed)\r
1128                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;\r
1129                         else\r
1130                                 f = 1 - frametime * sv_friction;\r
1131                         if (f > 0)\r
1132                                 self.velocity = self.velocity * f;\r
1133                         else\r
1134                                 self.velocity = '0 0 0';\r
1135                 }\r
1136 \r
1137                 // acceleration\r
1138                 wishdir = normalize(wishvel);\r
1139                 wishspeed = vlen(wishvel);\r
1140                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1141                         wishspeed = sv_maxspeed*maxspd_mod;\r
1142                 if (self.crouch)\r
1143                         wishspeed = wishspeed * 0.5;\r
1144                 if (time >= self.teleport_time)\r
1145                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1146         }\r
1147         else\r
1148         {\r
1149                 float wishspeed0;\r
1150                 // we get here if we ran out of ammo\r
1151                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && !self.stat_eaten)\r
1152                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1153 \r
1154                 if(maxspd_mod < 1)\r
1155                 {\r
1156                         maxairspd = sv_maxairspeed*maxspd_mod;\r
1157                         airaccel = sv_airaccelerate*maxspd_mod;\r
1158                 }\r
1159                 else\r
1160                 {\r
1161                         maxairspd = sv_maxairspeed;\r
1162                         airaccel = sv_airaccelerate;\r
1163                 }\r
1164                 // airborn\r
1165                 makevectors(self.v_angle_y * '0 1 0');\r
1166                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1167                 // acceleration\r
1168                 wishdir = normalize(wishvel);\r
1169                 wishspeed = wishspeed0 = vlen(wishvel);\r
1170                 if (wishspeed0 > sv_maxspeed*maxspd_mod)\r
1171                         wishspeed0 = sv_maxspeed*maxspd_mod;\r
1172                 if (wishspeed > maxairspd)\r
1173                         wishspeed = maxairspd;\r
1174                 if (self.crouch)\r
1175                         wishspeed = wishspeed * 0.5;\r
1176                 if (time >= self.teleport_time)\r
1177                 {\r
1178                         float accelerating;\r
1179                         float wishspeed2;\r
1180                         float airaccelqw;\r
1181 \r
1182                         airaccelqw = sv_airaccel_qw;\r
1183                         accelerating = (self.velocity * wishdir > 0);\r
1184                         wishspeed2 = wishspeed;\r
1185 \r
1186                         // CPM\r
1187                         if(sv_airstopaccelerate)\r
1188                                 if(self.velocity * wishdir < 0)\r
1189                                         airaccel = sv_airstopaccelerate*maxspd_mod;\r
1190                         // this doesn't play well with analog input, but can't r\r
1191                         // fixed like the AirControl can. So, don't set the maxa\r
1192                         // cvars when you want to support analog input.\r
1193                         if(self.movement_x == 0 && self.movement_y != 0)\r
1194                         {\r
1195                                 if(sv_maxairstrafespeed)\r
1196                                 {\r
1197                                         wishspeed = min(wishspeed, sv_maxairstrafespeed*maxspd_mod);\r
1198                                         if(sv_maxairstrafespeed < sv_maxairspeed)\r
1199                                                 airaccelqw = 1;\r
1200                                 }\r
1201                                 if(sv_airstrafeaccelerate)\r
1202                                 {\r
1203                                         airaccel = sv_airstrafeaccelerate*maxspd_mod;\r
1204                                         if(sv_airstrafeaccelerate > sv_airaccelerate)\r
1205                                                 airaccelqw = 1;\r
1206                                 }\r
1207                         }\r
1208                         // !CPM\r
1209 \r
1210                         if(sv_warsowbunny_turnaccel && accelerating && self.movement_y == 0 && self.movement_x != 0)\r
1211                                 PM_AirAccelerate(wishdir, wishspeed);\r
1212                         else\r
1213                                 PM_Accelerate(wishdir, wishspeed, wishspeed0, airaccel, airaccelqw, sv_airaccel_sideways_friction / maxairspd);\r
1214 \r
1215                         if(sv_aircontrol)\r
1216                                 CPM_PM_Aircontrol(wishdir, wishspeed2);\r
1217                 }\r
1218         }\r
1219 \r
1220         if((g_cts || g_race) && self.classname != "observer") {\r
1221                 if(vlen(self.velocity - self.velocity_z * '0 0 1') > speedaward_speed) {\r
1222                         speedaward_speed = vlen(self.velocity - self.velocity_z * '0 0 1');\r
1223                         speedaward_holder = self.netname;\r
1224                         speedaward_lastupdate = time;\r
1225                 }\r
1226                 if(speedaward_speed > speedaward_lastsent && time - speedaward_lastupdate > 1) {\r
1227                         string rr;\r
1228                         if(g_cts)\r
1229                                 rr = CTS_RECORD;\r
1230                         else\r
1231                                 rr = RACE_RECORD;\r
1232                         race_send_speedaward(MSG_ALL);\r
1233                         speedaward_lastsent = speedaward_speed;\r
1234                         if (speedaward_speed > speedaward_alltimebest) {\r
1235                                 speedaward_alltimebest = speedaward_speed;\r
1236                                 speedaward_alltimebest_holder = speedaward_holder;\r
1237                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/speed"), ftos(speedaward_alltimebest));\r
1238                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/netname"), speedaward_alltimebest_holder);\r
1239                                 race_send_speedaward_alltimebest(MSG_ALL);\r
1240                         }\r
1241                 }\r
1242         }\r
1243 \r
1244         if(vlen(self.velocity) > cvar("g_deathspeed"))\r
1245                 Damage(self, world, world, 100000, DEATH_KILL, self.origin, '0 0 0');\r
1246 \r
1247 :end\r
1248         if(self.flags & FL_ONGROUND)\r
1249                 self.lastground = time;\r
1250 \r
1251         self.lastflags = self.flags;\r
1252         self.lastclassname = self.classname;\r
1253 };\r