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(cvar("g_healthsize")) // if we are smaller or larger, 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 for prey\r
  61                 mjumpheight *= 1 - (self.swallow_progress_prey * cvar("g_balance_vore_swallow_speed_cutspd_prey"));\r
  62         if(self.swallow_progress_pred) // cut jumping based on swallow progress for preds\r
  63                 mjumpheight *= 1 - (self.swallow_progress_pred * cvar("g_balance_vore_swallow_speed_cutspd_pred"));\r
  64 \r
  65         if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
  66         {\r
  67                 if (self.watertype == CONTENT_WATER)\r
  68                         self.velocity_z = 200;\r
  69                 else if (self.watertype == CONTENT_SLIME)\r
  70                         self.velocity_z = 80;\r
  71                 else\r
  72                         self.velocity_z = 50;\r
  73 \r
  74                 return;\r
  75         }\r
  76 \r
  77         if (cvar("g_multijump"))\r
  78         {\r
  79                 if(self.prevlastteleporttime != self.lastteleporttime)\r
  80                 {\r
  81                         // if we teleported above the ground, require touching the ground again to multi-jump\r
  82                         self.multijump_ready = FALSE;\r
  83                         if(self.flags & FL_ONGROUND)\r
  84                                 self.prevlastteleporttime = self.lastteleporttime;\r
  85                 }\r
  86                 else if (self.prevjumpbutton == FALSE && !(self.flags & FL_ONGROUND)) // jump button pressed this frame and we are in midair\r
  87                         self.multijump_ready = TRUE;  // this is necessary to check that we released the jump button and pressed it again\r
  88                 else\r
  89                         self.multijump_ready = FALSE;\r
  90         }\r
  91 \r
  92         if(!doublejump && self.multijump_ready && self.multijump_count < cvar("g_multijump") && self.velocity_z > cvar("g_multijump_speed"))\r
  93         {\r
  94                 // doublejump = FALSE; // checked above in the if\r
  95                 if (cvar("g_multijump"))\r
  96                 {\r
  97                         if (cvar("g_multijump_add") == 0) // in this case we make the z velocity == jumpvelocity\r
  98                         {\r
  99                                 if (self.velocity_z < mjumpheight)\r
 100                                 {\r
 101                                         doublejump = TRUE;\r
 102                                         self.velocity_z = 0;\r
 103                                 }\r
 104                         }\r
 105                         else\r
 106                                 doublejump = TRUE;\r
 107 \r
 108                         if(doublejump)\r
 109                         {\r
 110                                 if(self.movement_x != 0 || self.movement_y != 0) // don't remove all speed if player isnt pressing any movement keys\r
 111                                 {\r
 112                                         float curspeed;\r
 113                                         vector wishvel, wishdir;\r
 114 \r
 115                                         curspeed = max(\r
 116                                                 vlen(vec2(self.velocity)), // current xy speed\r
 117                                                 vlen(vec2(antilag_takebackavgvelocity(self, max(self.lastteleporttime + sys_frametime, time - 0.25), time))) // average xy topspeed over the last 0.25 secs\r
 118                                         );\r
 119                                         makevectors(self.v_angle_y * '0 1 0');\r
 120                                         wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
 121                                         wishdir = normalize(wishvel);\r
 122 \r
 123                                         self.velocity_x = wishdir_x * curspeed; // allow "dodging" at a multijump\r
 124                                         self.velocity_y = wishdir_y * curspeed;\r
 125                                         // keep velocity_z unchanged!\r
 126                                 }\r
 127                                 if (cvar("g_multijump") > 0)\r
 128                                         self.multijump_count += 1;\r
 129                         }\r
 130                 }\r
 131                 self.multijump_ready = FALSE; // require releasing and pressing the jump button again for the next jump\r
 132         }\r
 133 \r
 134         if (!doublejump)\r
 135                 if (!(self.flags & FL_ONGROUND))\r
 136                         return;\r
 137 \r
 138         if(!sv_pogostick)\r
 139                 if (!(self.flags & FL_JUMPRELEASED))\r
 140                         return;\r
 141 \r
 142         if(self.health <= g_bloodloss)\r
 143                 return;\r
 144 \r
 145         if(cvar_string("sv_jumpspeedcap_min") != "")\r
 146                 self.velocity_z = max(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_min"), self.velocity_z);\r
 147         if(cvar_string("sv_jumpspeedcap_max") != "") {\r
 148                 if(trace_fraction < 1 && trace_plane_normal_z < 0.98 && cvar("sv_jumpspeedcap_max_disable_on_ramps")) {\r
 149                         // don't do jump speedcaps on ramps to preserve old voretournament ramjump style\r
 150                         //print("Trace plane normal z: ", ftos(trace_plane_normal_z), ", disabling speed cap!\n");\r
 151                 }\r
 152                 else\r
 153                         self.velocity_z = min(cvar("sv_jumpvelocity") * cvar("sv_jumpspeedcap_max"), self.velocity_z) + trace_ent.velocity_z;\r
 154         }\r
 155 \r
 156         if(!(self.lastflags & FL_ONGROUND))\r
 157         {\r
 158                 if(cvar("speedmeter"))\r
 159                         dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
 160                 if(self.lastground < time - 0.3)\r
 161                 {\r
 162                         self.velocity_x *= (1 - cvar("sv_friction_on_land"));\r
 163                         self.velocity_y *= (1 - cvar("sv_friction_on_land"));\r
 164                 }\r
 165                 if(self.jumppadcount > 1)\r
 166                         dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
 167                 self.jumppadcount = 0;\r
 168         }\r
 169 \r
 170         self.velocity_z = self.velocity_z + mjumpheight;\r
 171         self.oldvelocity_z = self.velocity_z;\r
 172 \r
 173         self.flags &~= FL_ONGROUND;\r
 174         self.flags &~= FL_JUMPRELEASED;\r
 175 \r
 176         if (self.crouch)\r
 177                 setanim(self, self.anim_duckjump, FALSE, TRUE, TRUE);\r
 178         else\r
 179                 setanim(self, self.anim_jump, FALSE, TRUE, TRUE);\r
 180 \r
 181         if(g_jump_grunt)\r
 182                 PlayerSound(self, playersound_jump, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 183 \r
 184         self.restart_jump = -1; // restart jump anim next time\r
 185         // value -1 is used to not use the teleport bit (workaround for tiny hitch when re-jumping)\r
 186 }\r
 187 \r
 188 void CheckWaterJump()\r
 189 {\r
 190         local vector start, end;\r
 191 \r
 192 // check for a jump-out-of-water\r
 193         makevectors (self.angles);\r
 194         start = self.origin;\r
 195         start_z = start_z + 8;\r
 196         v_forward_z = 0;\r
 197         normalize(v_forward);\r
 198         end = start + v_forward*24;\r
 199         traceline (start, end, TRUE, self);\r
 200         if (trace_fraction < 1)\r
 201         {       // solid at waist\r
 202                 start_z = start_z + self.maxs_z - 8;\r
 203                 end = start + v_forward*24;\r
 204                 self.movedir = trace_plane_normal * -50;\r
 205                 traceline (start, end, TRUE, self);\r
 206                 if (trace_fraction == 1)\r
 207                 {       // open at eye level\r
 208                         self.flags |= FL_WATERJUMP;\r
 209                         self.velocity_z = 225;\r
 210                         self.flags &~= FL_JUMPRELEASED;\r
 211                         self.teleport_time = time + 2;  // safety net\r
 212                         return;\r
 213                 }\r
 214         }\r
 215 };\r
 216 \r
 217 float racecar_angle(float forward, float down)\r
 218 {\r
 219         float ret, angle_mult;\r
 220 \r
 221         if(forward < 0)\r
 222         {\r
 223                 forward = -forward;\r
 224                 down = -down;\r
 225         }\r
 226 \r
 227         ret = vectoyaw('0 1 0' * down + '1 0 0' * forward);\r
 228 \r
 229         angle_mult = forward / (800 + forward);\r
 230 \r
 231         if(ret > 180)\r
 232                 return ret * angle_mult + 360 * (1 - angle_mult);\r
 233         else\r
 234                 return ret * angle_mult;\r
 235 }\r
 236 \r
 237 void RaceCarPhysics()\r
 238 {\r
 239         // using this move type for "big rigs"\r
 240         // the engine does not push the entity!\r
 241 \r
 242         float accel, steer, f;\r
 243         vector angles_save, rigvel;\r
 244 \r
 245         angles_save = self.angles;\r
 246         accel = bound(-1, self.movement_x / sv_maxspeed, 1);\r
 247         steer = bound(-1, self.movement_y / sv_maxspeed, 1);\r
 248 \r
 249         if(g_bugrigs_reverse_speeding)\r
 250         {\r
 251                 if(accel < 0)\r
 252                 {\r
 253                         // back accel is DIGITAL\r
 254                         // to prevent speedhack\r
 255                         if(accel < -0.5)\r
 256                                 accel = -1;\r
 257                         else\r
 258                                 accel = 0;\r
 259                 }\r
 260         }\r
 261 \r
 262         self.angles_x = 0;\r
 263         self.angles_z = 0;\r
 264         makevectors(self.angles); // new forward direction!\r
 265 \r
 266         if(self.flags & FL_ONGROUND || g_bugrigs_air_steering)\r
 267         {\r
 268                 float myspeed, upspeed, steerfactor, accelfactor;\r
 269 \r
 270                 myspeed = self.velocity * v_forward;\r
 271                 upspeed = self.velocity * v_up;\r
 272 \r
 273                 // responsiveness factor for steering and acceleration\r
 274                 f = 1 / (1 + pow(max(-myspeed, myspeed) / g_bugrigs_speed_ref, g_bugrigs_speed_pow));\r
 275                 //MAXIMA: f(v) := 1 / (1 + (v / g_bugrigs_speed_ref) ^ g_bugrigs_speed_pow);\r
 276 \r
 277                 if(myspeed < 0 && g_bugrigs_reverse_spinning)\r
 278                         steerfactor = -myspeed * g_bugrigs_steer;\r
 279                 else\r
 280                         steerfactor = -myspeed * f * g_bugrigs_steer;\r
 281 \r
 282                 if(myspeed < 0 && g_bugrigs_reverse_speeding)\r
 283                         accelfactor = g_bugrigs_accel;\r
 284                 else\r
 285                         accelfactor = f * g_bugrigs_accel;\r
 286                 //MAXIMA: accel(v) := f(v) * g_bugrigs_accel;\r
 287 \r
 288                 if(accel < 0)\r
 289                 {\r
 290                         if(myspeed > 0)\r
 291                         {\r
 292                                 myspeed = max(0, myspeed - frametime * (g_bugrigs_friction_floor - g_bugrigs_friction_brake * accel));\r
 293                         }\r
 294                         else\r
 295                         {\r
 296                                 if(!g_bugrigs_reverse_speeding)\r
 297                                         myspeed = min(0, myspeed + frametime * g_bugrigs_friction_floor);\r
 298                         }\r
 299                 }\r
 300                 else\r
 301                 {\r
 302                         if(myspeed >= 0)\r
 303                         {\r
 304                                 myspeed = max(0, myspeed - frametime * g_bugrigs_friction_floor);\r
 305                         }\r
 306                         else\r
 307                         {\r
 308                                 if(g_bugrigs_reverse_stopping)\r
 309                                         myspeed = 0;\r
 310                                 else\r
 311                                         myspeed = min(0, myspeed + frametime * (g_bugrigs_friction_floor + g_bugrigs_friction_brake * accel));\r
 312                         }\r
 313                 }\r
 314                 // terminal velocity = velocity at which 50 == accelfactor, that is, 1549 units/sec\r
 315                 //MAXIMA: friction(v) := g_bugrigs_friction_floor;\r
 316 \r
 317                 self.angles_y += steer * frametime * steerfactor; // apply steering\r
 318                 makevectors(self.angles); // new forward direction!\r
 319 \r
 320                 myspeed += accel * accelfactor * frametime;\r
 321 \r
 322                 rigvel = myspeed * v_forward + '0 0 1' * upspeed;\r
 323         }\r
 324         else\r
 325         {\r
 326                 myspeed = vlen(self.velocity);\r
 327 \r
 328                 // responsiveness factor for steering and acceleration\r
 329                 f = 1 / (1 + pow(max(0, myspeed / g_bugrigs_speed_ref), g_bugrigs_speed_pow));\r
 330                 steerfactor = -myspeed * f;\r
 331                 self.angles_y += steer * frametime * steerfactor; // apply steering\r
 332 \r
 333                 rigvel = self.velocity;\r
 334                 makevectors(self.angles); // new forward direction!\r
 335         }\r
 336 \r
 337         rigvel = rigvel * max(0, 1 - vlen(rigvel) * g_bugrigs_friction_air * frametime);\r
 338         //MAXIMA: airfriction(v) := v * v * g_bugrigs_friction_air;\r
 339         //MAXIMA: total_acceleration(v) := accel(v) - friction(v) - airfriction(v);\r
 340         //MAXIMA: solve(total_acceleration(v) = 0, v);\r
 341 \r
 342         if(g_bugrigs_planar_movement)\r
 343         {\r
 344                 vector rigvel_xy, neworigin, up;\r
 345                 float mt;\r
 346 \r
 347                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better\r
 348                 rigvel_xy = rigvel;\r
 349                 rigvel_xy_z = 0;\r
 350 \r
 351                 if(g_bugrigs_planar_movement_car_jumping && !g_touchexplode) // touchexplode is a better way to handle collisions\r
 352                         mt = MOVE_NORMAL;\r
 353                 else\r
 354                         mt = MOVE_NOMONSTERS;\r
 355 \r
 356                 tracebox(self.origin, self.mins, self.maxs, self.origin + '0 0 1024', mt, self);\r
 357                 up = trace_endpos - self.origin;\r
 358 \r
 359                 // BUG RIGS: align the move to the surface instead of doing collision testing\r
 360                 // can we move?\r
 361                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos + rigvel_xy * frametime, mt, self);\r
 362 \r
 363                 // align to surface\r
 364                 tracebox(trace_endpos, self.mins, self.maxs, trace_endpos - up + '0 0 1' * rigvel_z * frametime, mt, self);\r
 365 \r
 366                 if(trace_fraction < 0.5)\r
 367                 {\r
 368                         trace_fraction = 1;\r
 369                         neworigin = self.origin;\r
 370                 }\r
 371                 else\r
 372                         neworigin = trace_endpos;\r
 373 \r
 374                 if(trace_fraction < 1)\r
 375                 {\r
 376                         // now set angles_x so that the car points parallel to the surface\r
 377                         self.angles = vectoangles(\r
 378                                         '1 0 0' * v_forward_x * trace_plane_normal_z\r
 379                                         +\r
 380                                         '0 1 0' * v_forward_y * trace_plane_normal_z\r
 381                                         +\r
 382                                         '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y)\r
 383                                         );\r
 384                         self.flags |= FL_ONGROUND;\r
 385                 }\r
 386                 else\r
 387                 {\r
 388                         // now set angles_x so that the car points forward, but is tilted in velocity direction\r
 389                         self.flags &~= FL_ONGROUND;\r
 390                 }\r
 391 \r
 392                 self.velocity = (neworigin - self.origin) * (1.0 / frametime);\r
 393                 self.movetype = MOVETYPE_NOCLIP;\r
 394         }\r
 395         else\r
 396         {\r
 397                 rigvel_z -= frametime * sv_gravity; // 4x gravity plays better\r
 398                 self.velocity = rigvel;\r
 399                 self.movetype = MOVETYPE_FLY;\r
 400         }\r
 401 \r
 402         trace_fraction = 1;\r
 403         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 4', MOVE_NORMAL, self);\r
 404         if(trace_fraction != 1)\r
 405         {\r
 406                 self.angles = vectoangles2(\r
 407                                 '1 0 0' * v_forward_x * trace_plane_normal_z\r
 408                                 +\r
 409                                 '0 1 0' * v_forward_y * trace_plane_normal_z\r
 410                                 +\r
 411                                 '0 0 1' * -(v_forward_x * trace_plane_normal_x + v_forward_y * trace_plane_normal_y),\r
 412                                 trace_plane_normal\r
 413                                 );\r
 414         }\r
 415         else\r
 416         {\r
 417                 vector vel_local;\r
 418 \r
 419                 vel_local_x = v_forward * self.velocity;\r
 420                 vel_local_y = v_right * self.velocity;\r
 421                 vel_local_z = v_up * self.velocity;\r
 422 \r
 423                 self.angles_x = racecar_angle(vel_local_x, vel_local_z);\r
 424                 self.angles_z = racecar_angle(-vel_local_y, vel_local_z);\r
 425         }\r
 426 \r
 427         // smooth the angles\r
 428         vector vf1, vu1, smoothangles;\r
 429         makevectors(self.angles);\r
 430         f = bound(0, frametime * g_bugrigs_angle_smoothing, 1);\r
 431         if(f == 0)\r
 432                 f = 1;\r
 433         vf1 = v_forward * f;\r
 434         vu1 = v_up * f;\r
 435         makevectors(angles_save);\r
 436         vf1 = vf1 + v_forward * (1 - f);\r
 437         vu1 = vu1 + v_up * (1 - f);\r
 438         smoothangles = vectoangles2(vf1, vu1);\r
 439         self.angles_x = -smoothangles_x;\r
 440         self.angles_z =  smoothangles_z;\r
 441 }\r
 442 \r
 443 float IsMoveInDirection(vector mv, float angle) // key mix factor\r
 444 {\r
 445         if(mv_x == 0 && mv_y == 0)\r
 446                 return 0; // avoid division by zero\r
 447         angle = RAD2DEG * atan2(mv_y, mv_x);\r
 448         angle = remainder(angle, 360) / 45;\r
 449         if(angle >  1)\r
 450                 return 0;\r
 451         if(angle < -1)\r
 452                 return 0;\r
 453         return 1 - fabs(angle);\r
 454 }\r
 455 \r
 456 void CPM_PM_Aircontrol(vector wishdir, float wishspeed)\r
 457 {\r
 458         float zspeed, xyspeed, dot, k;\r
 459 \r
 460 #if 0\r
 461         // this doesn't play well with analog input\r
 462         if(self.movement_x == 0 || self.movement_y != 0)\r
 463                 return; // can't control movement if not moving forward or backward\r
 464         k = 32;\r
 465 #else\r
 466         k = 32 * (2 * IsMoveInDirection(self.movement, 0) - 1);\r
 467         if(k <= 0)\r
 468                 return;\r
 469 #endif\r
 470 \r
 471         k *= bound(0, wishspeed / sv_maxairspeed, 1);\r
 472 \r
 473         zspeed = self.velocity_z;\r
 474         self.velocity_z = 0;\r
 475         xyspeed = vlen(self.velocity); self.velocity = normalize(self.velocity);\r
 476 \r
 477         dot = self.velocity * wishdir;\r
 478         k *= sv_aircontrol*dot*dot*frametime;\r
 479 \r
 480         if(dot > 0) // we can't change direction while slowing down\r
 481         {\r
 482                 self.velocity = normalize(self.velocity * xyspeed + wishdir * k);\r
 483         }\r
 484 \r
 485         self.velocity = self.velocity * xyspeed;\r
 486         self.velocity_z = zspeed;\r
 487 }\r
 488 \r
 489 // example config for alternate speed clamping:\r
 490 //   sv_airaccel_qw 0.8\r
 491 //   sv_airaccel_sideways_friction 0\r
 492 //   prvm_globalset server speedclamp_mode 1\r
 493 //     (or 2)\r
 494 void PM_Accelerate(vector wishdir, float wishspeed, float wishspeed0, float accel, float accelqw, float sidefric)\r
 495 {\r
 496         float vel_straight;\r
 497         float vel_z;\r
 498         vector vel_perpend;\r
 499         float step;\r
 500 \r
 501         vector vel_xy;\r
 502         float vel_xy_current;\r
 503         float vel_xy_backward, vel_xy_forward;\r
 504         float speedclamp;\r
 505 \r
 506         speedclamp = (accelqw < 0);\r
 507         if(speedclamp)\r
 508                 accelqw = -accelqw;\r
 509 \r
 510         if(self.classname == "player")\r
 511         {\r
 512                 if(cvar("g_balance_vore_load_pred_weight") > 0) // apply stomach weight\r
 513                         wishspeed /= 1 + (self.stomach_load / self.stomach_maxload) * cvar("g_balance_vore_load_pred_speed");\r
 514                 if(cvar("g_healthsize")) // if we are smaller or larger, we run slower or faster\r
 515                         wishspeed *= (1 - cvar("g_healthsize_movementfactor")) + cvar("g_healthsize_movementfactor") * self.scale; \r
 516                 if(self.swallow_progress_prey) // cut speed based on swallow progress for prey\r
 517                         wishspeed *= 1 - (self.swallow_progress_prey * cvar("g_balance_vore_swallow_speed_cutspd_prey"));\r
 518                 if(self.swallow_progress_pred) // cut speed based on swallow progress for preds\r
 519                         wishspeed *= 1 - (self.swallow_progress_pred * cvar("g_balance_vore_swallow_speed_cutspd_pred"));\r
 520                 if(self.grabber_stunned > time && random() <= cvar("g_balance_grabber_secondary_stun_rate")) // randomly cut speed while the player is stunned\r
 521                         return;\r
 522         }\r
 523 \r
 524         if(cvar("sv_gameplayfix_q2airaccelerate"))\r
 525                 wishspeed0 = wishspeed;\r
 526 \r
 527         vel_straight = self.velocity * wishdir;\r
 528         vel_z = self.velocity_z;\r
 529         vel_xy = self.velocity - vel_z * '0 0 1';\r
 530         vel_perpend = vel_xy - vel_straight * wishdir;\r
 531 \r
 532         step = accel * frametime * wishspeed0;\r
 533 \r
 534         vel_xy_current  = vlen(vel_xy);\r
 535         vel_xy_forward  = vel_xy_current + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);\r
 536         vel_xy_backward = vel_xy_current - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);\r
 537         if(vel_xy_backward < 0)\r
 538                 vel_xy_backward = 0; // not that it REALLY occurs that this would cause wrong behaviour afterwards\r
 539 \r
 540         vel_straight = vel_straight + bound(0, wishspeed - vel_straight, step) * accelqw + step * (1 - accelqw);\r
 541 \r
 542         if(sidefric < 0 && (vel_perpend*vel_perpend))\r
 543                 // negative: only apply so much sideways friction to stay below the speed you could get by "braking"\r
 544         {\r
 545                 float f, fminimum;\r
 546                 f = max(0, 1 + frametime * wishspeed * sidefric);\r
 547                 fminimum = (vel_xy_backward*vel_xy_backward - vel_straight*vel_straight) / (vel_perpend*vel_perpend);\r
 548                 // this cannot be > 1\r
 549                 if(fminimum <= 0)\r
 550                         vel_perpend = vel_perpend * max(0, f);\r
 551                 else\r
 552                 {\r
 553                         fminimum = sqrt(fminimum);\r
 554                         vel_perpend = vel_perpend * max(fminimum, f);\r
 555                 }\r
 556         }\r
 557         else\r
 558                 vel_perpend = vel_perpend * max(0, 1 - frametime * wishspeed * sidefric);\r
 559         \r
 560         vel_xy = vel_straight * wishdir + vel_perpend;\r
 561         \r
 562         if(speedclamp)\r
 563         {\r
 564                 // ensure we don't get too fast or decelerate faster than we should\r
 565                 vel_xy_current = min(vlen(vel_xy), vel_xy_forward);\r
 566                 if(vel_xy_current > 0) // prevent division by zero\r
 567                         vel_xy = normalize(vel_xy) * vel_xy_current;\r
 568         }\r
 569 \r
 570         self.velocity = vel_xy + vel_z * '0 0 1';\r
 571 }\r
 572 \r
 573 void PM_AirAccelerate(vector wishdir, float wishspeed)\r
 574 {\r
 575         vector curvel, wishvel, acceldir, curdir;\r
 576         float addspeed, accelspeed, curspeed, f;\r
 577         float dot;\r
 578 \r
 579         if(wishspeed == 0)\r
 580                 return;\r
 581 \r
 582         curvel = self.velocity;\r
 583         curvel_z = 0;\r
 584         curspeed = vlen(curvel);\r
 585 \r
 586         if(wishspeed > curspeed * 1.01)\r
 587         {\r
 588                 wishspeed = min(wishspeed, curspeed + sv_warsowbunny_airforwardaccel * sv_maxspeed * frametime);\r
 589         }\r
 590         else\r
 591         {\r
 592                 f = max(0, (sv_warsowbunny_topspeed - curspeed) / (sv_warsowbunny_topspeed - sv_maxspeed));\r
 593                 wishspeed = max(curspeed, sv_maxspeed) + sv_warsowbunny_accel * f * sv_maxspeed * frametime;\r
 594         }\r
 595         wishvel = wishdir * wishspeed;\r
 596         acceldir = wishvel - curvel;\r
 597         addspeed = vlen(acceldir);\r
 598         acceldir = normalize(acceldir);\r
 599 \r
 600         accelspeed = min(addspeed, sv_warsowbunny_turnaccel * sv_maxspeed * frametime);\r
 601 \r
 602         if(sv_warsowbunny_backtosideratio < 1)\r
 603         {\r
 604                 curdir = normalize(curvel);\r
 605                 dot = acceldir * curdir;\r
 606                 if(dot < 0)\r
 607                         acceldir = acceldir - (1 - sv_warsowbunny_backtosideratio) * dot * curdir;\r
 608         }\r
 609 \r
 610         self.velocity += accelspeed * acceldir;\r
 611 }\r
 612 \r
 613 .vector movement_old;\r
 614 .float buttons_old;\r
 615 .vector v_angle_old;\r
 616 .string lastclassname;\r
 617 \r
 618 .float() PlayerPhysplug;\r
 619 \r
 620 string specialcommand = "xwxwxsxsxaxdxaxdx1x ";\r
 621 .float specialcommand_pos;\r
 622 void SpecialCommand()\r
 623 {\r
 624 #ifdef TETRIS\r
 625         TetrisImpulse();\r
 626 #else\r
 627         if(!CheatImpulse(99))\r
 628                 print("A hollow voice says \"Plugh\".\n");\r
 629 #endif\r
 630 }\r
 631 \r
 632 float speedaward_speed;\r
 633 string speedaward_holder;\r
 634 void race_send_speedaward(float msg)\r
 635 {\r
 636         // send the best speed of the round\r
 637         WriteByte(msg, SVC_TEMPENTITY);\r
 638         WriteByte(msg, TE_CSQC_RACE);\r
 639         WriteByte(msg, RACE_NET_SPEED_AWARD);\r
 640         WriteInt24_t(msg, floor(speedaward_speed+0.5));\r
 641         WriteString(msg, speedaward_holder);\r
 642 }\r
 643 \r
 644 float speedaward_alltimebest;\r
 645 string speedaward_alltimebest_holder;\r
 646 void race_send_speedaward_alltimebest(float msg)\r
 647 {\r
 648         // send the best speed\r
 649         WriteByte(msg, SVC_TEMPENTITY);\r
 650         WriteByte(msg, TE_CSQC_RACE);\r
 651         WriteByte(msg, RACE_NET_SPEED_AWARD_BEST);\r
 652         WriteInt24_t(msg, floor(speedaward_alltimebest+0.5));\r
 653         WriteString(msg, speedaward_alltimebest_holder);\r
 654 }\r
 655 \r
 656 string GetMapname(void);\r
 657 float speedaward_lastupdate;\r
 658 float speedaward_lastsent;\r
 659 .float jumppadusetime;\r
 660 void SV_PlayerPhysics()\r
 661 {\r
 662         local vector wishvel, wishdir, v;\r
 663         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, buttons;\r
 664         string temps;\r
 665         float buttons_prev;\r
 666         float not_allowed_to_move;\r
 667         string c;\r
 668 \r
 669     if(self.PlayerPhysplug)\r
 670         if(self.PlayerPhysplug())\r
 671             return;\r
 672 \r
 673         self.race_movetime_frac += frametime;\r
 674         f = floor(self.race_movetime_frac);\r
 675         self.race_movetime_frac -= f;\r
 676         self.race_movetime_count += f;\r
 677         self.race_movetime = self.race_movetime_frac + self.race_movetime_count;\r
 678 \r
 679         anticheat_physics();\r
 680 \r
 681         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
 682 \r
 683         if(!buttons)\r
 684                 c = "x";\r
 685         else if(buttons == 1)\r
 686                 c = "1";\r
 687         else if(buttons == 2)\r
 688                 c = " ";\r
 689         else if(buttons == 128)\r
 690                 c = "s";\r
 691         else if(buttons == 256)\r
 692                 c = "w";\r
 693         else if(buttons == 512)\r
 694                 c = "a";\r
 695         else if(buttons == 1024)\r
 696                 c = "d";\r
 697         else\r
 698                 c = "?";\r
 699 \r
 700         if(c == substring(specialcommand, self.specialcommand_pos, 1))\r
 701         {\r
 702                 self.specialcommand_pos += 1;\r
 703                 if(self.specialcommand_pos >= strlen(specialcommand))\r
 704                 {\r
 705                         self.specialcommand_pos = 0;\r
 706                         SpecialCommand();\r
 707                         return;\r
 708                 }\r
 709         }\r
 710         else if(self.specialcommand_pos && (c != substring(specialcommand, self.specialcommand_pos - 1, 1)))\r
 711                 self.specialcommand_pos = 0;\r
 712 \r
 713         if(!sv_maxidle_spectatorsareidle || self.movetype == MOVETYPE_WALK)\r
 714         {\r
 715                 if(buttons != self.buttons_old || self.movement != self.movement_old || self.v_angle != self.v_angle_old)\r
 716                         self.parm_idlesince = time;\r
 717         }\r
 718         buttons_prev = self.buttons_old;\r
 719         self.buttons_old = buttons;\r
 720         self.movement_old = self.movement;\r
 721         self.v_angle_old = self.v_angle;\r
 722 \r
 723         if(time < self.nickspamtime)\r
 724         if(self.nickspamcount >= cvar("g_nick_flood_penalty_yellow"))\r
 725         {\r
 726                 // slight annoyance for nick change scripts\r
 727                 self.movement = -1 * self.movement;\r
 728                 self.BUTTON_ATCK = self.BUTTON_JUMP = self.BUTTON_ATCK2 = self.BUTTON_ZOOM = self.BUTTON_CROUCH = self.BUTTON_JETPACK = self.BUTTON_USE = 0;\r
 729 \r
 730                 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
 731                 {\r
 732                         self.angles_x = random() * 360;\r
 733                         self.angles_y = random() * 360;\r
 734                         // at least I'm not forcing retardedview by also assigning to angles_z\r
 735                         self.fixangle = 1;\r
 736                 }\r
 737         }\r
 738 \r
 739         if (self.punchangle != '0 0 0')\r
 740         {\r
 741                 f = vlen(self.punchangle) - 15 * frametime;\r
 742                 if (f > 0)\r
 743                         self.punchangle = normalize(self.punchangle) * f;\r
 744                 else\r
 745                         self.punchangle = '0 0 0';\r
 746         }\r
 747 \r
 748         if (self.punchvector != '0 0 0')\r
 749         {\r
 750                 f = vlen(self.punchvector) - 30 * frametime;\r
 751                 if (f > 0)\r
 752                         self.punchvector = normalize(self.punchvector) * f;\r
 753                 else\r
 754                         self.punchvector = '0 0 0';\r
 755         }\r
 756 \r
 757         if (clienttype(self) == CLIENTTYPE_BOT)\r
 758         {\r
 759                 if(playerdemo_read())\r
 760                         return;\r
 761                 bot_think();\r
 762         }\r
 763 \r
 764         self.items &~= IT_USING_JETPACK;\r
 765 \r
 766         if(self.classname == "player")\r
 767         {\r
 768                 if(self.race_penalty)\r
 769                         if(time > self.race_penalty)\r
 770                                 self.race_penalty = 0;\r
 771 \r
 772                 not_allowed_to_move = 0;\r
 773                 if(self.race_penalty)\r
 774                         not_allowed_to_move = 1;\r
 775                 if(!cvar("sv_ready_restart_after_countdown"))\r
 776                 if(time < game_starttime)\r
 777                         not_allowed_to_move = 1;\r
 778 \r
 779                 if(not_allowed_to_move)\r
 780                 {\r
 781                         self.velocity = '0 0 0';\r
 782                         self.movetype = MOVETYPE_NONE;\r
 783                         self.disableclientprediction = 2;\r
 784                 }\r
 785                 else if(self.disableclientprediction == 2)\r
 786                 {\r
 787                         if(self.movetype == MOVETYPE_NONE)\r
 788                                 self.movetype = MOVETYPE_WALK;\r
 789                         self.disableclientprediction = 0;\r
 790                 }\r
 791         }\r
 792 \r
 793         if(self.stat_eaten)\r
 794                 return;\r
 795 \r
 796         if (self.movetype == MOVETYPE_NONE)\r
 797                 return;\r
 798 \r
 799         maxspd_mod = 1;\r
 800 \r
 801         swampspd_mod = 1;\r
 802         if(self.in_swamp) {\r
 803                 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");\r
 804         }\r
 805 \r
 806         if(self.classname != "player")\r
 807         {\r
 808                 maxspd_mod = cvar("sv_spectator_speed_multiplier");\r
 809                 if(!self.spectatorspeed)\r
 810                         self.spectatorspeed = maxspd_mod;\r
 811                 if(self.impulse && self.impulse <= 19)\r
 812                 {\r
 813                         if(self.lastclassname != "player")\r
 814                         {\r
 815                                 if(self.impulse == 10 || self.impulse == 15 || self.impulse == 18)\r
 816                                         self.spectatorspeed = bound(1, self.spectatorspeed + 0.5, 5);\r
 817                                 else if(self.impulse == 11)\r
 818                                         self.spectatorspeed = maxspd_mod;\r
 819                                 else if(self.impulse == 12 || self.impulse == 16  || self.impulse == 19)\r
 820                                         self.spectatorspeed = bound(1, self.spectatorspeed - 0.5, 5);\r
 821                                 else if(self.impulse >= 1 && self.impulse <= 9)\r
 822                                         self.spectatorspeed = 1 + 0.5 * (self.impulse - 1);\r
 823                         } // otherwise just clear\r
 824                         self.impulse = 0;\r
 825                 }\r
 826                 maxspd_mod = self.spectatorspeed;\r
 827         }\r
 828 \r
 829         spd = max(sv_maxspeed, sv_maxairspeed) * maxspd_mod * swampspd_mod;\r
 830         if(self.speed != spd)\r
 831         {\r
 832                 self.speed = spd;\r
 833                 temps = ftos(spd);\r
 834                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));\r
 835                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));\r
 836                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));\r
 837                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));\r
 838         }\r
 839 \r
 840         maxspd_mod *= swampspd_mod; // only one common speed modder please!\r
 841         swampspd_mod = 1;\r
 842 \r
 843         // if dead, behave differently\r
 844         if (self.deadflag)\r
 845                 goto end;\r
 846 \r
 847         if (!self.fixangle && !g_bugrigs)\r
 848         {\r
 849                 self.angles_x = 0;\r
 850                 self.angles_y = self.v_angle_y;\r
 851                 self.angles_z = 0;\r
 852         }\r
 853 \r
 854         if(self.flags & FL_ONGROUND)\r
 855         if(self.wasFlying)\r
 856         {\r
 857                 self.wasFlying = 0;\r
 858 \r
 859                 if(self.classname == "player")\r
 860                 if(self.waterlevel < WATERLEVEL_SWIMMING)\r
 861                 if(time >= self.ladder_time)\r
 862                 if not(self.grabber)\r
 863                 {\r
 864                         self.nextstep = time + 0.3 + random() * 0.1;\r
 865                         trace_dphitq3surfaceflags = 0;\r
 866                         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 1', MOVE_NOMONSTERS, self);\r
 867                         if not(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOSTEPS)\r
 868                         {\r
 869                                 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)\r
 870                                 {\r
 871                                         GlobalSound(globalsound_metalfall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 872                                         pointparticles(particleeffectnum("ground_metal"), self.origin, '0 0 0', 1);\r
 873                                 }\r
 874                                 else\r
 875                                 {\r
 876                                         GlobalSound(globalsound_fall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 877                                         pointparticles(particleeffectnum("ground_dirt"), self.origin, '0 0 0', 1);\r
 878                                 }\r
 879                         }\r
 880                 }\r
 881         }\r
 882 \r
 883         if(IsFlying(self))\r
 884                 self.wasFlying = 1;\r
 885 \r
 886         if(self.classname == "player")\r
 887         {\r
 888                 if(self.flags & FL_ONGROUND)\r
 889                 {\r
 890                         if (cvar("g_multijump") > 0)\r
 891                                 self.multijump_count = 0;\r
 892                         else\r
 893                                 self.multijump_count = -2; // the cvar value for infinite jumps is -1, so this needs to be smaller\r
 894                 }\r
 895 \r
 896                 if (self.BUTTON_JUMP)\r
 897                         PlayerJump ();\r
 898                 else\r
 899                         self.flags |= FL_JUMPRELEASED;\r
 900 \r
 901                 if (self.waterlevel == WATERLEVEL_SWIMMING)\r
 902                         CheckWaterJump ();\r
 903                 self.prevjumpbutton = self.BUTTON_JUMP;\r
 904         }\r
 905 \r
 906         if (self.flags & FL_WATERJUMP )\r
 907         {\r
 908                 self.velocity_x = self.movedir_x;\r
 909                 self.velocity_y = self.movedir_y;\r
 910                 if (time > self.teleport_time || self.waterlevel == WATERLEVEL_NONE)\r
 911                 {\r
 912                         self.flags &~= FL_WATERJUMP;\r
 913                         self.teleport_time = 0;\r
 914                 }\r
 915         }\r
 916         else if (g_bugrigs && self.classname == "player")\r
 917         {\r
 918                 RaceCarPhysics();\r
 919         }\r
 920         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY || self.movetype == MOVETYPE_FLY_WORLDONLY)\r
 921         {\r
 922                 // noclipping or flying\r
 923                 self.flags &~= FL_ONGROUND;\r
 924 \r
 925                 self.velocity = self.velocity * (1 - frametime * sv_friction);\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                 // acceleration\r
 930                 wishdir = normalize(wishvel);\r
 931                 wishspeed = vlen(wishvel);\r
 932                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 933                         wishspeed = sv_maxspeed*maxspd_mod;\r
 934                 if (time >= self.teleport_time)\r
 935                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 936         }\r
 937         else if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
 938         {\r
 939                 // swimming\r
 940                 self.flags &~= FL_ONGROUND;\r
 941 \r
 942                 makevectors(self.v_angle);\r
 943                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 944                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 945                 if (wishvel == '0 0 0')\r
 946                         wishvel = '0 0 -60'; // drift towards bottom\r
 947 \r
 948                 wishdir = normalize(wishvel);\r
 949                 wishspeed = vlen(wishvel);\r
 950                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 951                         wishspeed = sv_maxspeed*maxspd_mod;\r
 952                 wishspeed = wishspeed * 0.7;\r
 953 \r
 954                 // water friction\r
 955                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 956 \r
 957                 // water acceleration\r
 958                 PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
 959         }\r
 960         else if (time < self.ladder_time)\r
 961         {\r
 962                 // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water\r
 963                 self.flags &~= FL_ONGROUND;\r
 964 \r
 965                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
 966                 makevectors(self.v_angle);\r
 967                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
 968                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
 969                 if (self.gravity)\r
 970                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;\r
 971                 else\r
 972                         self.velocity_z = self.velocity_z + sv_gravity * frametime;\r
 973                 if (self.ladder_entity.classname == "func_water")\r
 974                 {\r
 975                         f = vlen(wishvel);\r
 976                         if (f > self.ladder_entity.speed)\r
 977                                 wishvel = wishvel * (self.ladder_entity.speed / f);\r
 978 \r
 979                         self.watertype = self.ladder_entity.skin;\r
 980                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;\r
 981                         if ((self.origin_z + self.view_ofs_z) < f)\r
 982                                 self.waterlevel = WATERLEVEL_SUBMERGED;\r
 983                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)\r
 984                                 self.waterlevel = WATERLEVEL_SWIMMING;\r
 985                         else if ((self.origin_z + self.mins_z + 1) < f)\r
 986                                 self.waterlevel = WATERLEVEL_WETFEET;\r
 987                         else\r
 988                         {\r
 989                                 self.waterlevel = WATERLEVEL_NONE;\r
 990                                 self.watertype = CONTENT_EMPTY;\r
 991                         }\r
 992                 }\r
 993                 // acceleration\r
 994                 wishdir = normalize(wishvel);\r
 995                 wishspeed = vlen(wishvel);\r
 996                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
 997                         wishspeed = sv_maxspeed*maxspd_mod;\r
 998                 if (time >= self.teleport_time)\r
 999                 {\r
1000                         // water acceleration\r
1001                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1002                 }\r
1003         }\r
1004         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
1005         {\r
1006                 //makevectors(self.v_angle_y * '0 1 0');\r
1007                 makevectors(self.v_angle);\r
1008                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1009                 // add remaining speed as Z component\r
1010                 maxairspd = sv_maxairspeed*max(1, maxspd_mod);\r
1011                 // fix speedhacks :P\r
1012                 wishvel = normalize(wishvel) * min(vlen(wishvel) / maxairspd, 1);\r
1013                 // add the unused velocity as up component\r
1014                 wishvel_z = 0;\r
1015 \r
1016                 // if(self.BUTTON_JUMP)\r
1017                         wishvel_z = sqrt(max(0, 1 - wishvel * wishvel));\r
1018 \r
1019                 // it is now normalized, so...\r
1020                 float a_side, a_up, a_add, a_diff;\r
1021                 a_side = cvar("g_jetpack_acceleration_side");\r
1022                 a_up = cvar("g_jetpack_acceleration_up");\r
1023                 a_add = cvar("g_jetpack_antigravity") * sv_gravity;\r
1024 \r
1025                 wishvel_x *= a_side;\r
1026                 wishvel_y *= a_side;\r
1027                 wishvel_z *= a_up;\r
1028                 wishvel_z += a_add;\r
1029 \r
1030                 float best;\r
1031                 best = 0;\r
1032                 //////////////////////////////////////////////////////////////////////////////////////\r
1033                 // finding the maximum over all vectors of above form\r
1034                 // with wishvel having an absolute value of 1\r
1035                 //////////////////////////////////////////////////////////////////////////////////////\r
1036                 // we're finding the maximum over\r
1037                 //   f(a_side, a_up, a_add, z) := a_side * (1 - z^2) + (a_add + a_up * z)^2;\r
1038                 // for z in the range from -1 to 1\r
1039                 //////////////////////////////////////////////////////////////////////////////////////\r
1040                 // maximum is EITHER attained at the single extreme point:\r
1041                 a_diff = a_side * a_side - a_up * a_up;\r
1042                 if(a_diff != 0)\r
1043                 {\r
1044                         f = a_add * a_up / a_diff; // this is the zero of diff(f(a_side, a_up, a_add, z), z)\r
1045                         if(f > -1 && f < 1) // can it be attained?\r
1046                         {\r
1047                                 best = (a_diff + a_add * a_add) * (a_diff + a_up * a_up) / a_diff;\r
1048                                 //print("middle\n");\r
1049                         }\r
1050                 }\r
1051                 // OR attained at z = 1:\r
1052                 f = (a_up + a_add) * (a_up + a_add);\r
1053                 if(f > best)\r
1054                 {\r
1055                         best = f;\r
1056                         //print("top\n");\r
1057                 }\r
1058                 // OR attained at z = -1:\r
1059                 f = (a_up - a_add) * (a_up - a_add);\r
1060                 if(f > best)\r
1061                 {\r
1062                         best = f;\r
1063                         //print("bottom\n");\r
1064                 }\r
1065                 best = sqrt(best);\r
1066                 //////////////////////////////////////////////////////////////////////////////////////\r
1067 \r
1068                 //print("best possible acceleration: ", ftos(best), "\n");\r
1069 \r
1070                 float fxy, fz;\r
1071                 fxy = bound(0, 1 - (self.velocity * normalize(wishvel_x * '1 0 0' + wishvel_y * '0 1 0')) / cvar("g_jetpack_maxspeed_side"), 1);\r
1072                 if(wishvel_z - sv_gravity > 0)\r
1073                         fz = bound(0, 1 - self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1074                 else\r
1075                         fz = bound(0, 1 + self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1076 \r
1077                 float fvel;\r
1078                 fvel = vlen(wishvel);\r
1079                 wishvel_x *= fxy;\r
1080                 wishvel_y *= fxy;\r
1081                 wishvel_z = (wishvel_z - sv_gravity) * fz + sv_gravity;\r
1082 \r
1083                 fvel = min(1, vlen(wishvel) / best);\r
1084                 if(cvar("g_jetpack_fuel") && !(self.items & IT_UNLIMITED_WEAPON_AMMO))\r
1085                         f = min(1, self.ammo_fuel / (cvar("g_jetpack_fuel") * frametime * fvel));\r
1086                 else\r
1087                         f = 1;\r
1088 \r
1089                 //print("this acceleration: ", ftos(vlen(wishvel) * f), "\n");\r
1090 \r
1091                 if (f > 0 && wishvel != '0 0 0')\r
1092                 {\r
1093                         self.velocity = self.velocity + wishvel * f * frametime;\r
1094                         if not(self.items & IT_UNLIMITED_WEAPON_AMMO)\r
1095                                 self.ammo_fuel -= cvar("g_jetpack_fuel") * frametime * fvel * f;\r
1096                         self.flags &~= FL_ONGROUND;\r
1097                         self.items |= IT_USING_JETPACK;\r
1098 \r
1099                         // jetpack also inhibits health regeneration, but only for 1 second\r
1100                         self.pauseregenhealth_finished = max(self.pauseregenhealth_finished, time + cvar("g_balance_pause_fuel_regen"));\r
1101                 }\r
1102         }\r
1103         else if (self.flags & FL_ONGROUND)\r
1104         {\r
1105                 // we get here if we ran out of ammo\r
1106                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && !self.stat_eaten)\r
1107                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1108 \r
1109                 // walking\r
1110                 makevectors(self.v_angle_y * '0 1 0');\r
1111                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1112 \r
1113                 if(!(self.lastflags & FL_ONGROUND))\r
1114                 {\r
1115                         if(cvar("speedmeter"))\r
1116                                 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
1117                         if(self.lastground < time - 0.3)\r
1118                                 self.velocity = self.velocity * (1 - cvar("sv_friction_on_land"));\r
1119                         if(self.jumppadcount > 1)\r
1120                                 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
1121                         self.jumppadcount = 0;\r
1122                 }\r
1123 \r
1124 #ifdef LETS_TEST_FTEQCC\r
1125                 if(self.velocity_x || self.velocity_y)\r
1126                 {\r
1127                         // good\r
1128                 }\r
1129                 else\r
1130                 {\r
1131                         if(self.velocity_x)\r
1132                                 checkclient();\r
1133                         if(self.velocity_y)\r
1134                                 checkclient();\r
1135                 }\r
1136 #endif\r
1137 \r
1138                 v = self.velocity;\r
1139                 v_z = 0;\r
1140                 f = vlen(v);\r
1141                 if(f > 0)\r
1142                 {\r
1143                         if (f < sv_stopspeed)\r
1144                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;\r
1145                         else\r
1146                                 f = 1 - frametime * sv_friction;\r
1147                         if (f > 0)\r
1148                                 self.velocity = self.velocity * f;\r
1149                         else\r
1150                                 self.velocity = '0 0 0';\r
1151                 }\r
1152 \r
1153                 // acceleration\r
1154                 wishdir = normalize(wishvel);\r
1155                 wishspeed = vlen(wishvel);\r
1156                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1157                         wishspeed = sv_maxspeed*maxspd_mod;\r
1158                 if (self.crouch)\r
1159                         wishspeed = wishspeed * 0.5;\r
1160                 if (time >= self.teleport_time)\r
1161                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1162         }\r
1163         else\r
1164         {\r
1165                 float wishspeed0;\r
1166                 // we get here if we ran out of ammo\r
1167                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && !self.stat_eaten)\r
1168                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1169 \r
1170                 if(maxspd_mod < 1)\r
1171                 {\r
1172                         maxairspd = sv_maxairspeed*maxspd_mod;\r
1173                         airaccel = sv_airaccelerate*maxspd_mod;\r
1174                 }\r
1175                 else\r
1176                 {\r
1177                         maxairspd = sv_maxairspeed;\r
1178                         airaccel = sv_airaccelerate;\r
1179                 }\r
1180                 // airborn\r
1181                 makevectors(self.v_angle_y * '0 1 0');\r
1182                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1183                 // acceleration\r
1184                 wishdir = normalize(wishvel);\r
1185                 wishspeed = wishspeed0 = vlen(wishvel);\r
1186                 if (wishspeed0 > sv_maxspeed*maxspd_mod)\r
1187                         wishspeed0 = sv_maxspeed*maxspd_mod;\r
1188                 if (wishspeed > maxairspd)\r
1189                         wishspeed = maxairspd;\r
1190                 if (self.crouch)\r
1191                         wishspeed = wishspeed * 0.5;\r
1192                 if (time >= self.teleport_time)\r
1193                 {\r
1194                         float accelerating;\r
1195                         float wishspeed2;\r
1196                         float airaccelqw;\r
1197 \r
1198                         airaccelqw = sv_airaccel_qw;\r
1199                         accelerating = (self.velocity * wishdir > 0);\r
1200                         wishspeed2 = wishspeed;\r
1201 \r
1202                         // CPM\r
1203                         if(sv_airstopaccelerate)\r
1204                                 if(self.velocity * wishdir < 0)\r
1205                                         airaccel = sv_airstopaccelerate*maxspd_mod;\r
1206                         // this doesn't play well with analog input, but can't r\r
1207                         // fixed like the AirControl can. So, don't set the maxa\r
1208                         // cvars when you want to support analog input.\r
1209                         if(self.movement_x == 0 && self.movement_y != 0)\r
1210                         {\r
1211                                 if(sv_maxairstrafespeed)\r
1212                                 {\r
1213                                         wishspeed = min(wishspeed, sv_maxairstrafespeed*maxspd_mod);\r
1214                                         if(sv_maxairstrafespeed < sv_maxairspeed)\r
1215                                                 airaccelqw = 1;\r
1216                                 }\r
1217                                 if(sv_airstrafeaccelerate)\r
1218                                 {\r
1219                                         airaccel = sv_airstrafeaccelerate*maxspd_mod;\r
1220                                         if(sv_airstrafeaccelerate > sv_airaccelerate)\r
1221                                                 airaccelqw = 1;\r
1222                                 }\r
1223                         }\r
1224                         // !CPM\r
1225 \r
1226                         if(sv_warsowbunny_turnaccel && accelerating && self.movement_y == 0 && self.movement_x != 0)\r
1227                                 PM_AirAccelerate(wishdir, wishspeed);\r
1228                         else\r
1229                                 PM_Accelerate(wishdir, wishspeed, wishspeed0, airaccel, airaccelqw, sv_airaccel_sideways_friction / maxairspd);\r
1230 \r
1231                         if(sv_aircontrol)\r
1232                                 CPM_PM_Aircontrol(wishdir, wishspeed2);\r
1233                 }\r
1234         }\r
1235 \r
1236         if((g_cts || g_race) && self.classname != "observer") {\r
1237                 if(vlen(self.velocity - self.velocity_z * '0 0 1') > speedaward_speed) {\r
1238                         speedaward_speed = vlen(self.velocity - self.velocity_z * '0 0 1');\r
1239                         speedaward_holder = self.netname;\r
1240                         speedaward_lastupdate = time;\r
1241                 }\r
1242                 if(speedaward_speed > speedaward_lastsent && time - speedaward_lastupdate > 1) {\r
1243                         string rr;\r
1244                         if(g_cts)\r
1245                                 rr = CTS_RECORD;\r
1246                         else\r
1247                                 rr = RACE_RECORD;\r
1248                         race_send_speedaward(MSG_ALL);\r
1249                         speedaward_lastsent = speedaward_speed;\r
1250                         if (speedaward_speed > speedaward_alltimebest) {\r
1251                                 speedaward_alltimebest = speedaward_speed;\r
1252                                 speedaward_alltimebest_holder = speedaward_holder;\r
1253                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/speed"), ftos(speedaward_alltimebest));\r
1254                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/netname"), speedaward_alltimebest_holder);\r
1255                                 race_send_speedaward_alltimebest(MSG_ALL);\r
1256                         }\r
1257                 }\r
1258         }\r
1259 \r
1260         if(vlen(self.velocity) > cvar("g_deathspeed"))\r
1261                 Damage(self, world, world, 100000, DEATH_KILL, self.origin, '0 0 0');\r
1262 \r
1263 :end\r
1264         if(self.flags & FL_ONGROUND)\r
1265                 self.lastground = time;\r
1266 \r
1267         self.lastflags = self.flags;\r
1268         self.lastclassname = self.classname;\r
1269 };\r