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 void dodging()\r
 657 {\r
 658         float common_factor;\r
 659         float new_velocity_gain;\r
 660         float velocity_difference;\r
 661         float clean_up_and_do_nothing;\r
 662 \r
 663         new_velocity_gain = 0;\r
 664         clean_up_and_do_nothing = 0;\r
 665 \r
 666         if (cvar("g_dodging") == 0)\r
 667                 clean_up_and_do_nothing = 1;\r
 668 \r
 669         // when swimming, no dodging allowed..\r
 670         if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
 671                 clean_up_and_do_nothing = 1;\r
 672 \r
 673         if (clean_up_and_do_nothing != 0) {\r
 674                 self.dodging_action = 0;\r
 675                 self.dodging_direction_x = 0;\r
 676                 self.dodging_direction_y = 0;\r
 677                 return;\r
 678         }\r
 679 \r
 680         // make sure v_up, v_right and v_forward are sane\r
 681         makevectors(self.angles);\r
 682 \r
 683         // if we have e.g. 0.5 sec ramptime and a frametime of 0.25, then the ramp code \r
 684         // will be called ramp_time/frametime times = 2 times. so, we need to \r
 685         // add 0.5 * the total speed each frame until the dodge action is done..\r
 686         common_factor = sys_frametime / cvar("sv_dodging_ramp_time");\r
 687 \r
 688         // if ramp time is smaller than frametime we get problems ;D\r
 689         if (common_factor > 1) \r
 690                 common_factor = 1;\r
 691 \r
 692         new_velocity_gain = self.dodging_velocity_gain - (common_factor * cvar("sv_dodging_horiz_speed"));\r
 693 \r
 694         if(cvar("g_healthsize")) // if we are smaller or larger, we jump lower or higher\r
 695                 new_velocity_gain *= (1 - cvar("g_healthsize_movementfactor")) + cvar("g_healthsize_movementfactor") * self.scale;\r
 696         if(self.swallow_progress_prey) // cut jumping based on swallow progress for prey\r
 697                 new_velocity_gain *= 1 - (self.swallow_progress_prey * cvar("g_balance_vore_swallow_speed_cutspd_prey"));\r
 698         if(self.swallow_progress_pred) // cut jumping based on swallow progress for preds\r
 699                 new_velocity_gain *= 1 - (self.swallow_progress_pred * cvar("g_balance_vore_swallow_speed_cutspd_pred"));\r
 700 \r
 701         if (new_velocity_gain < 0)\r
 702                 new_velocity_gain = 0;\r
 703 \r
 704         velocity_difference = self.dodging_velocity_gain - new_velocity_gain;\r
 705 \r
 706         // ramp up dodging speed by adding some velocity each frame.. TODO: do it! :D\r
 707         if (self.dodging_action == 1) {\r
 708                 //disable jump key during dodge accel phase\r
 709                 if (self.movement_z > 0) self.movement_z = 0;\r
 710 \r
 711                 self.velocity = \r
 712                           self.velocity \r
 713                         + ((self.dodging_direction_y * velocity_difference) * v_right)\r
 714                         + ((self.dodging_direction_x * velocity_difference) * v_forward);\r
 715 \r
 716                 self.dodging_velocity_gain = self.dodging_velocity_gain - velocity_difference;\r
 717         }\r
 718 \r
 719         // the up part of the dodge is a single shot action\r
 720         if (self.dodging_single_action == 1) {\r
 721                 self.flags &~= FL_ONGROUND;\r
 722 \r
 723                 self.velocity = \r
 724                           self.velocity \r
 725                         + (cvar("sv_dodging_up_speed") * v_up);\r
 726 \r
 727                 if (cvar("sv_dodging_sound"))\r
 728                         PlayerSound(self, playersound_jump, CHAN_PLAYER, VOICETYPE_PLAYERSOUND);\r
 729 \r
 730                 setanim(self, self.anim_jump, TRUE, FALSE, TRUE);\r
 731 \r
 732                 self.dodging_single_action = 0;\r
 733         }\r
 734 \r
 735         // are we done with the dodging ramp yet?\r
 736         if((self.dodging_action == 1) && ((time - self.last_dodging_time) > cvar("sv_dodging_ramp_time")))\r
 737         {\r
 738                 // reset state so next dodge can be done correctly\r
 739                 self.dodging_action = 0;\r
 740                 self.dodging_direction_x = 0;\r
 741                 self.dodging_direction_y = 0;\r
 742         }\r
 743 \r
 744         return;\r
 745 }\r
 746 \r
 747 string GetMapname(void);\r
 748 float speedaward_lastupdate;\r
 749 float speedaward_lastsent;\r
 750 .float jumppadusetime;\r
 751 void SV_PlayerPhysics()\r
 752 {\r
 753         local vector wishvel, wishdir, v;\r
 754         local float wishspeed, f, maxspd_mod, spd, maxairspd, airaccel, swampspd_mod, buttons;\r
 755         string temps;\r
 756         float buttons_prev;\r
 757         float not_allowed_to_move;\r
 758         string c;\r
 759 \r
 760     if(self.PlayerPhysplug)\r
 761         if(self.PlayerPhysplug())\r
 762             return;\r
 763 \r
 764         self.race_movetime_frac += frametime;\r
 765         f = floor(self.race_movetime_frac);\r
 766         self.race_movetime_frac -= f;\r
 767         self.race_movetime_count += f;\r
 768         self.race_movetime = self.race_movetime_frac + self.race_movetime_count;\r
 769 \r
 770         anticheat_physics();\r
 771 \r
 772         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
 773 \r
 774         if(!buttons)\r
 775                 c = "x";\r
 776         else if(buttons == 1)\r
 777                 c = "1";\r
 778         else if(buttons == 2)\r
 779                 c = " ";\r
 780         else if(buttons == 128)\r
 781                 c = "s";\r
 782         else if(buttons == 256)\r
 783                 c = "w";\r
 784         else if(buttons == 512)\r
 785                 c = "a";\r
 786         else if(buttons == 1024)\r
 787                 c = "d";\r
 788         else\r
 789                 c = "?";\r
 790 \r
 791         if(c == substring(specialcommand, self.specialcommand_pos, 1))\r
 792         {\r
 793                 self.specialcommand_pos += 1;\r
 794                 if(self.specialcommand_pos >= strlen(specialcommand))\r
 795                 {\r
 796                         self.specialcommand_pos = 0;\r
 797                         SpecialCommand();\r
 798                         return;\r
 799                 }\r
 800         }\r
 801         else if(self.specialcommand_pos && (c != substring(specialcommand, self.specialcommand_pos - 1, 1)))\r
 802                 self.specialcommand_pos = 0;\r
 803 \r
 804         if(!sv_maxidle_spectatorsareidle || self.movetype == MOVETYPE_WALK)\r
 805         {\r
 806                 if(buttons != self.buttons_old || self.movement != self.movement_old || self.v_angle != self.v_angle_old)\r
 807                         self.parm_idlesince = time;\r
 808         }\r
 809         buttons_prev = self.buttons_old;\r
 810         self.buttons_old = buttons;\r
 811         self.movement_old = self.movement;\r
 812         self.v_angle_old = self.v_angle;\r
 813 \r
 814         if(time < self.nickspamtime)\r
 815         if(self.nickspamcount >= cvar("g_nick_flood_penalty_yellow"))\r
 816         {\r
 817                 // slight annoyance for nick change scripts\r
 818                 self.movement = -1 * self.movement;\r
 819                 self.BUTTON_ATCK = self.BUTTON_JUMP = self.BUTTON_ATCK2 = self.BUTTON_ZOOM = self.BUTTON_CROUCH = self.BUTTON_JETPACK = self.BUTTON_USE = 0;\r
 820 \r
 821                 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
 822                 {\r
 823                         self.angles_x = random() * 360;\r
 824                         self.angles_y = random() * 360;\r
 825                         // at least I'm not forcing retardedview by also assigning to angles_z\r
 826                         self.fixangle = 1;\r
 827                 }\r
 828         }\r
 829 \r
 830         if (self.punchangle != '0 0 0')\r
 831         {\r
 832                 f = vlen(self.punchangle) - cvar("sv_punchangle_speed") * frametime;\r
 833                 if (f > 0)\r
 834                         self.punchangle = normalize(self.punchangle) * f;\r
 835                 else\r
 836                         self.punchangle = '0 0 0';\r
 837         }\r
 838 \r
 839         if (self.punchvector != '0 0 0')\r
 840         {\r
 841                 f = vlen(self.punchvector) - cvar("sv_punchvector_speed") * frametime;\r
 842                 if (f > 0)\r
 843                         self.punchvector = normalize(self.punchvector) * f;\r
 844                 else\r
 845                         self.punchvector = '0 0 0';\r
 846         }\r
 847 \r
 848         if (clienttype(self) == CLIENTTYPE_BOT)\r
 849         {\r
 850                 if(playerdemo_read())\r
 851                         return;\r
 852                 bot_think();\r
 853         }\r
 854 \r
 855         self.items &~= IT_USING_JETPACK;\r
 856 \r
 857         if(self.classname == "player")\r
 858         {\r
 859                 if(self.race_penalty)\r
 860                         if(time > self.race_penalty)\r
 861                                 self.race_penalty = 0;\r
 862 \r
 863                 not_allowed_to_move = 0;\r
 864                 if(self.race_penalty)\r
 865                         not_allowed_to_move = 1;\r
 866                 if(!cvar("sv_ready_restart_after_countdown"))\r
 867                 if(time < game_starttime)\r
 868                         not_allowed_to_move = 1;\r
 869 \r
 870                 if(not_allowed_to_move)\r
 871                 {\r
 872                         self.velocity = '0 0 0';\r
 873                         self.movetype = MOVETYPE_NONE;\r
 874                         self.disableclientprediction = 2;\r
 875                 }\r
 876                 else if(self.disableclientprediction == 2)\r
 877                 {\r
 878                         if(self.movetype == MOVETYPE_NONE)\r
 879                                 self.movetype = MOVETYPE_WALK;\r
 880                         self.disableclientprediction = 0;\r
 881                 }\r
 882         }\r
 883 \r
 884         if(self.stat_eaten)\r
 885                 return;\r
 886 \r
 887         if (self.movetype == MOVETYPE_NONE)\r
 888                 return;\r
 889 \r
 890         maxspd_mod = 1;\r
 891 \r
 892         swampspd_mod = 1;\r
 893         if(self.in_swamp) {\r
 894                 swampspd_mod = self.swamp_slowdown; //cvar("g_balance_swamp_moverate");\r
 895         }\r
 896 \r
 897         if(self.classname != "player")\r
 898         {\r
 899                 maxspd_mod = cvar("sv_spectator_speed_multiplier");\r
 900                 if(!self.spectatorspeed)\r
 901                         self.spectatorspeed = maxspd_mod;\r
 902                 if(self.impulse && self.impulse <= 19)\r
 903                 {\r
 904                         if(self.lastclassname != "player")\r
 905                         {\r
 906                                 if(self.impulse == 10 || self.impulse == 15 || self.impulse == 18)\r
 907                                         self.spectatorspeed = bound(1, self.spectatorspeed + 0.5, 5);\r
 908                                 else if(self.impulse == 11)\r
 909                                         self.spectatorspeed = maxspd_mod;\r
 910                                 else if(self.impulse == 12 || self.impulse == 16  || self.impulse == 19)\r
 911                                         self.spectatorspeed = bound(1, self.spectatorspeed - 0.5, 5);\r
 912                                 else if(self.impulse >= 1 && self.impulse <= 9)\r
 913                                         self.spectatorspeed = 1 + 0.5 * (self.impulse - 1);\r
 914                         } // otherwise just clear\r
 915                         self.impulse = 0;\r
 916                 }\r
 917                 maxspd_mod = self.spectatorspeed;\r
 918         }\r
 919 \r
 920         spd = max(sv_maxspeed, sv_maxairspeed) * maxspd_mod * swampspd_mod;\r
 921         if(self.speed != spd)\r
 922         {\r
 923                 self.speed = spd;\r
 924                 temps = ftos(spd);\r
 925                 stuffcmd(self, strcat("cl_forwardspeed ", temps, "\n"));\r
 926                 stuffcmd(self, strcat("cl_backspeed ", temps, "\n"));\r
 927                 stuffcmd(self, strcat("cl_sidespeed ", temps, "\n"));\r
 928                 stuffcmd(self, strcat("cl_upspeed ", temps, "\n"));\r
 929         }\r
 930 \r
 931         maxspd_mod *= swampspd_mod; // only one common speed modder please!\r
 932         swampspd_mod = 1;\r
 933 \r
 934         // if dead, behave differently\r
 935         if (self.deadflag)\r
 936                 goto end;\r
 937 \r
 938         if (!self.fixangle && !g_bugrigs)\r
 939         {\r
 940                 self.angles_x = 0;\r
 941                 self.angles_y = self.v_angle_y;\r
 942                 self.angles_z = 0;\r
 943         }\r
 944 \r
 945         if(self.flags & FL_ONGROUND)\r
 946         if(self.wasFlying)\r
 947         {\r
 948                 self.wasFlying = 0;\r
 949 \r
 950                 if(self.classname == "player")\r
 951                 if(self.waterlevel < WATERLEVEL_SWIMMING)\r
 952                 if(time >= self.ladder_time)\r
 953                 if not(self.grabber)\r
 954                 {\r
 955                         self.nextstep = time + 0.3 + random() * 0.1;\r
 956                         trace_dphitq3surfaceflags = 0;\r
 957                         tracebox(self.origin, self.mins, self.maxs, self.origin - '0 0 1', MOVE_NOMONSTERS, self);\r
 958                         if not(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOSTEPS)\r
 959                         {\r
 960                                 if(cvar("g_healthsize"))\r
 961                                 {\r
 962                                         if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)\r
 963                                         {\r
 964                                                 GlobalSound(globalsound_metalfall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND, bound(0, VOL_BASE * (1 - playersize_micro(self)), 1));\r
 965                                                 pointparticles(particleeffectnum("ground_metal"), self.origin, '0 0 0', floor(self.scale * PARTICLE_MULTIPLIER));\r
 966                                         }\r
 967                                         else\r
 968                                         {\r
 969                                                 GlobalSound(globalsound_fall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND, bound(0, VOL_BASE * (1 - playersize_micro(self)), 1));\r
 970                                                 pointparticles(particleeffectnum("ground_dirt"), self.origin, '0 0 0', floor(self.scale * PARTICLE_MULTIPLIER));\r
 971                                         }\r
 972                                         sound(self, CHAN_AUTO, "misc/macro_hitground.wav", bound(0, VOL_BASE * playersize_macro(self), 1), ATTN_NORM);\r
 973 \r
 974                                         // earthquake effect for nearby players when a macro falls\r
 975                                         if(cvar("g_healthsize_quake_fall"))\r
 976                                         {\r
 977                                                 entity head;\r
 978                                                 for(head = findradius(self.origin, cvar("g_healthsize_quake_fall_radius")); head; head = head.chain)\r
 979                                                 {\r
 980                                                         if not(head.classname == "player" || head.classname == "spectator")\r
 981                                                                 continue;\r
 982                                                         if(head == self || head.spectatee_status == num_for_edict(self))\r
 983                                                                 continue; // not for self\r
 984                                                         if not(head.flags & FL_ONGROUND)\r
 985                                                                 continue; // we only feel the ground shaking if we are sitting on it\r
 986                                                         if(head.stat_eaten)\r
 987                                                                 continue; // not for prey\r
 988 \r
 989                                                         float shake;\r
 990                                                         shake = vlen(head.origin - self.origin);\r
 991                                                         if(shake)\r
 992                                                                 shake = 1 - bound(0, shake / cvar("g_healthsize_quake_fall_radius"), 1);\r
 993                                                         shake *= playersize_macro(self) * cvar("g_healthsize_quake_fall");\r
 994 \r
 995                                                         head.punchvector_x += crandom() * shake;\r
 996                                                         head.punchvector_y += crandom() * shake;\r
 997                                                         head.punchvector_z += crandom() * shake;\r
 998                                                 }\r
 999                                         }\r
1000                                 }\r
1001                                 else\r
1002                                 {\r
1003                                         if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_METALSTEPS)\r
1004                                         {\r
1005                                                 GlobalSound(globalsound_metalfall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND, VOL_BASE);\r
1006                                                 pointparticles(particleeffectnum("ground_metal"), self.origin, '0 0 0', PARTICLE_MULTIPLIER);\r
1007                                         }\r
1008                                         else\r
1009                                         {\r
1010                                                 GlobalSound(globalsound_fall, CHAN_PLAYER, VOICETYPE_PLAYERSOUND, VOL_BASE);\r
1011                                                 pointparticles(particleeffectnum("ground_dirt"), self.origin, '0 0 0', PARTICLE_MULTIPLIER);\r
1012                                         }\r
1013                                 }\r
1014                         }\r
1015                 }\r
1016         }\r
1017 \r
1018         if(IsFlying(self))\r
1019                 self.wasFlying = 1;\r
1020 \r
1021         if(self.classname == "player")\r
1022         {\r
1023                 if(self.flags & FL_ONGROUND)\r
1024                 {\r
1025                         if (cvar("g_multijump") > 0)\r
1026                                 self.multijump_count = 0;\r
1027                         else\r
1028                                 self.multijump_count = -2; // the cvar value for infinite jumps is -1, so this needs to be smaller\r
1029                 }\r
1030 \r
1031                 if (self.BUTTON_JUMP)\r
1032                         PlayerJump ();\r
1033                 else\r
1034                         self.flags |= FL_JUMPRELEASED;\r
1035 \r
1036                 if (self.waterlevel == WATERLEVEL_SWIMMING)\r
1037                         CheckWaterJump ();\r
1038                 self.prevjumpbutton = self.BUTTON_JUMP;\r
1039         }\r
1040 \r
1041         if (self.flags & FL_WATERJUMP )\r
1042         {\r
1043                 self.velocity_x = self.movedir_x;\r
1044                 self.velocity_y = self.movedir_y;\r
1045                 if (time > self.teleport_time || self.waterlevel == WATERLEVEL_NONE)\r
1046                 {\r
1047                         self.flags &~= FL_WATERJUMP;\r
1048                         self.teleport_time = 0;\r
1049                 }\r
1050         }\r
1051         else if (g_bugrigs && self.classname == "player")\r
1052         {\r
1053                 RaceCarPhysics();\r
1054         }\r
1055         else if (self.movetype == MOVETYPE_NOCLIP || self.movetype == MOVETYPE_FLY || self.movetype == MOVETYPE_FLY_WORLDONLY)\r
1056         {\r
1057                 // noclipping or flying\r
1058                 self.flags &~= FL_ONGROUND;\r
1059 \r
1060                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
1061                 makevectors(self.v_angle);\r
1062                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
1063                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
1064                 // acceleration\r
1065                 wishdir = normalize(wishvel);\r
1066                 wishspeed = vlen(wishvel);\r
1067                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1068                         wishspeed = sv_maxspeed*maxspd_mod;\r
1069                 if (time >= self.teleport_time)\r
1070                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1071         }\r
1072         else if (self.waterlevel >= WATERLEVEL_SWIMMING)\r
1073         {\r
1074                 // swimming\r
1075                 self.flags &~= FL_ONGROUND;\r
1076 \r
1077                 makevectors(self.v_angle);\r
1078                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
1079                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
1080                 if (wishvel == '0 0 0')\r
1081                         wishvel = '0 0 -60'; // drift towards bottom\r
1082 \r
1083                 wishdir = normalize(wishvel);\r
1084                 wishspeed = vlen(wishvel);\r
1085                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1086                         wishspeed = sv_maxspeed*maxspd_mod;\r
1087                 wishspeed = wishspeed * 0.7;\r
1088 \r
1089                 // water friction\r
1090                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
1091 \r
1092                 // water acceleration\r
1093                 PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1094         }\r
1095         else if (time < self.ladder_time)\r
1096         {\r
1097                 // on a spawnfunc_func_ladder or swimming in spawnfunc_func_water\r
1098                 self.flags &~= FL_ONGROUND;\r
1099 \r
1100                 self.velocity = self.velocity * (1 - frametime * sv_friction);\r
1101                 makevectors(self.v_angle);\r
1102                 //wishvel = v_forward * self.movement_x + v_right * self.movement_y + v_up * self.movement_z;\r
1103                 wishvel = v_forward * self.movement_x + v_right * self.movement_y + '0 0 1' * self.movement_z;\r
1104                 if (self.gravity)\r
1105                         self.velocity_z = self.velocity_z + self.gravity * sv_gravity * frametime;\r
1106                 else\r
1107                         self.velocity_z = self.velocity_z + sv_gravity * frametime;\r
1108                 if (self.ladder_entity.classname == "func_water")\r
1109                 {\r
1110                         f = vlen(wishvel);\r
1111                         if (f > self.ladder_entity.speed)\r
1112                                 wishvel = wishvel * (self.ladder_entity.speed / f);\r
1113 \r
1114                         self.watertype = self.ladder_entity.skin;\r
1115                         f = self.ladder_entity.origin_z + self.ladder_entity.maxs_z;\r
1116                         if ((self.origin_z + self.view_ofs_z) < f)\r
1117                                 self.waterlevel = WATERLEVEL_SUBMERGED;\r
1118                         else if ((self.origin_z + (self.mins_z + self.maxs_z) * 0.5) < f)\r
1119                                 self.waterlevel = WATERLEVEL_SWIMMING;\r
1120                         else if ((self.origin_z + self.mins_z + 1) < f)\r
1121                                 self.waterlevel = WATERLEVEL_WETFEET;\r
1122                         else\r
1123                         {\r
1124                                 self.waterlevel = WATERLEVEL_NONE;\r
1125                                 self.watertype = CONTENT_EMPTY;\r
1126                         }\r
1127                 }\r
1128                 // acceleration\r
1129                 wishdir = normalize(wishvel);\r
1130                 wishspeed = vlen(wishvel);\r
1131                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1132                         wishspeed = sv_maxspeed*maxspd_mod;\r
1133                 if (time >= self.teleport_time)\r
1134                 {\r
1135                         // water acceleration\r
1136                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1137                 }\r
1138         }\r
1139         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
1140         {\r
1141                 //makevectors(self.v_angle_y * '0 1 0');\r
1142                 makevectors(self.v_angle);\r
1143                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1144                 // add remaining speed as Z component\r
1145                 maxairspd = sv_maxairspeed*max(1, maxspd_mod);\r
1146                 // fix speedhacks :P\r
1147                 wishvel = normalize(wishvel) * min(vlen(wishvel) / maxairspd, 1);\r
1148                 // add the unused velocity as up component\r
1149                 wishvel_z = 0;\r
1150 \r
1151                 // if(self.BUTTON_JUMP)\r
1152                         wishvel_z = sqrt(max(0, 1 - wishvel * wishvel));\r
1153 \r
1154                 // it is now normalized, so...\r
1155                 float a_side, a_up, a_add, a_diff;\r
1156                 a_side = cvar("g_jetpack_acceleration_side");\r
1157                 a_up = cvar("g_jetpack_acceleration_up");\r
1158                 a_add = cvar("g_jetpack_antigravity") * sv_gravity;\r
1159 \r
1160                 wishvel_x *= a_side;\r
1161                 wishvel_y *= a_side;\r
1162                 wishvel_z *= a_up;\r
1163                 wishvel_z += a_add;\r
1164 \r
1165                 float best;\r
1166                 best = 0;\r
1167                 //////////////////////////////////////////////////////////////////////////////////////\r
1168                 // finding the maximum over all vectors of above form\r
1169                 // with wishvel having an absolute value of 1\r
1170                 //////////////////////////////////////////////////////////////////////////////////////\r
1171                 // we're finding the maximum over\r
1172                 //   f(a_side, a_up, a_add, z) := a_side * (1 - z^2) + (a_add + a_up * z)^2;\r
1173                 // for z in the range from -1 to 1\r
1174                 //////////////////////////////////////////////////////////////////////////////////////\r
1175                 // maximum is EITHER attained at the single extreme point:\r
1176                 a_diff = a_side * a_side - a_up * a_up;\r
1177                 if(a_diff != 0)\r
1178                 {\r
1179                         f = a_add * a_up / a_diff; // this is the zero of diff(f(a_side, a_up, a_add, z), z)\r
1180                         if(f > -1 && f < 1) // can it be attained?\r
1181                         {\r
1182                                 best = (a_diff + a_add * a_add) * (a_diff + a_up * a_up) / a_diff;\r
1183                                 //print("middle\n");\r
1184                         }\r
1185                 }\r
1186                 // OR attained at z = 1:\r
1187                 f = (a_up + a_add) * (a_up + a_add);\r
1188                 if(f > best)\r
1189                 {\r
1190                         best = f;\r
1191                         //print("top\n");\r
1192                 }\r
1193                 // OR attained at z = -1:\r
1194                 f = (a_up - a_add) * (a_up - a_add);\r
1195                 if(f > best)\r
1196                 {\r
1197                         best = f;\r
1198                         //print("bottom\n");\r
1199                 }\r
1200                 best = sqrt(best);\r
1201                 //////////////////////////////////////////////////////////////////////////////////////\r
1202 \r
1203                 //print("best possible acceleration: ", ftos(best), "\n");\r
1204 \r
1205                 float fxy, fz;\r
1206                 fxy = bound(0, 1 - (self.velocity * normalize(wishvel_x * '1 0 0' + wishvel_y * '0 1 0')) / cvar("g_jetpack_maxspeed_side"), 1);\r
1207                 if(wishvel_z - sv_gravity > 0)\r
1208                         fz = bound(0, 1 - self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1209                 else\r
1210                         fz = bound(0, 1 + self.velocity_z / cvar("g_jetpack_maxspeed_up"), 1);\r
1211 \r
1212                 float fvel;\r
1213                 fvel = vlen(wishvel);\r
1214                 wishvel_x *= fxy;\r
1215                 wishvel_y *= fxy;\r
1216                 wishvel_z = (wishvel_z - sv_gravity) * fz + sv_gravity;\r
1217 \r
1218                 fvel = min(1, vlen(wishvel) / best);\r
1219                 if(cvar("g_jetpack_fuel") && !(self.items & IT_UNLIMITED_WEAPON_AMMO))\r
1220                         f = min(1, self.ammo_fuel / (cvar("g_jetpack_fuel") * frametime * fvel));\r
1221                 else\r
1222                         f = 1;\r
1223 \r
1224                 //print("this acceleration: ", ftos(vlen(wishvel) * f), "\n");\r
1225 \r
1226                 if (f > 0 && wishvel != '0 0 0')\r
1227                 {\r
1228                         self.velocity = self.velocity + wishvel * f * frametime;\r
1229                         if not(self.items & IT_UNLIMITED_WEAPON_AMMO)\r
1230                                 self.ammo_fuel -= cvar("g_jetpack_fuel") * frametime * fvel * f;\r
1231                         self.flags &~= FL_ONGROUND;\r
1232                         self.items |= IT_USING_JETPACK;\r
1233 \r
1234                         // jetpack also inhibits health regeneration, but only for 1 second\r
1235                         self.pauseregenhealth_finished = max(self.pauseregenhealth_finished, time + cvar("g_balance_pause_fuel_regen"));\r
1236                 }\r
1237         }\r
1238         else if (self.flags & FL_ONGROUND)\r
1239         {\r
1240                 // we get here if we ran out of ammo\r
1241                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && !self.stat_eaten)\r
1242                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1243 \r
1244                 // walking\r
1245                 makevectors(self.v_angle_y * '0 1 0');\r
1246                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1247 \r
1248                 if(!(self.lastflags & FL_ONGROUND))\r
1249                 {\r
1250                         if(cvar("speedmeter"))\r
1251                                 dprint(strcat("landing velocity: ", vtos(self.velocity), " (abs: ", ftos(vlen(self.velocity)), ")\n"));\r
1252                         if(self.lastground < time - 0.3)\r
1253                                 self.velocity = self.velocity * (1 - cvar("sv_friction_on_land"));\r
1254                         if(self.jumppadcount > 1)\r
1255                                 dprint(strcat(ftos(self.jumppadcount), "x jumppad combo\n"));\r
1256                         self.jumppadcount = 0;\r
1257                 }\r
1258 \r
1259 #ifdef LETS_TEST_FTEQCC\r
1260                 if(self.velocity_x || self.velocity_y)\r
1261                 {\r
1262                         // good\r
1263                 }\r
1264                 else\r
1265                 {\r
1266                         if(self.velocity_x)\r
1267                                 checkclient();\r
1268                         if(self.velocity_y)\r
1269                                 checkclient();\r
1270                 }\r
1271 #endif\r
1272 \r
1273                 v = self.velocity;\r
1274                 v_z = 0;\r
1275                 f = vlen(v);\r
1276                 if(f > 0)\r
1277                 {\r
1278                         if (f < sv_stopspeed)\r
1279                                 f = 1 - frametime * (sv_stopspeed / f) * sv_friction;\r
1280                         else\r
1281                                 f = 1 - frametime * sv_friction;\r
1282                         if (f > 0)\r
1283                                 self.velocity = self.velocity * f;\r
1284                         else\r
1285                                 self.velocity = '0 0 0';\r
1286                 }\r
1287 \r
1288                 // acceleration\r
1289                 wishdir = normalize(wishvel);\r
1290                 wishspeed = vlen(wishvel);\r
1291                 if (wishspeed > sv_maxspeed*maxspd_mod)\r
1292                         wishspeed = sv_maxspeed*maxspd_mod;\r
1293                 if (self.crouch)\r
1294                         wishspeed = wishspeed * cvar("sv_crouchvelocity");\r
1295                 if (time >= self.teleport_time)\r
1296                         PM_Accelerate(wishdir, wishspeed, wishspeed, sv_accelerate*maxspd_mod, 1, 0);\r
1297         }\r
1298         else\r
1299         {\r
1300                 float wishspeed0;\r
1301                 // we get here if we ran out of ammo\r
1302                 if((self.items & IT_JETPACK) && self.BUTTON_JETPACK && !(buttons_prev & 32) && !self.stat_eaten)\r
1303                         sprint(self, "You don't have any fuel for the ^2Jetpack\n");\r
1304 \r
1305                 if(maxspd_mod < 1)\r
1306                 {\r
1307                         maxairspd = sv_maxairspeed*maxspd_mod;\r
1308                         airaccel = sv_airaccelerate*maxspd_mod;\r
1309                 }\r
1310                 else\r
1311                 {\r
1312                         maxairspd = sv_maxairspeed;\r
1313                         airaccel = sv_airaccelerate;\r
1314                 }\r
1315                 // airborn\r
1316                 makevectors(self.v_angle_y * '0 1 0');\r
1317                 wishvel = v_forward * self.movement_x + v_right * self.movement_y;\r
1318                 // acceleration\r
1319                 wishdir = normalize(wishvel);\r
1320                 wishspeed = wishspeed0 = vlen(wishvel);\r
1321                 if (wishspeed0 > sv_maxspeed*maxspd_mod)\r
1322                         wishspeed0 = sv_maxspeed*maxspd_mod;\r
1323                 if (wishspeed > maxairspd)\r
1324                         wishspeed = maxairspd;\r
1325                 if (self.crouch)\r
1326                         wishspeed = wishspeed * cvar("sv_crouchvelocity");\r
1327                 if (time >= self.teleport_time)\r
1328                 {\r
1329                         float accelerating;\r
1330                         float wishspeed2;\r
1331                         float airaccelqw;\r
1332 \r
1333                         airaccelqw = sv_airaccel_qw;\r
1334                         accelerating = (self.velocity * wishdir > 0);\r
1335                         wishspeed2 = wishspeed;\r
1336 \r
1337                         // CPM\r
1338                         if(sv_airstopaccelerate)\r
1339                                 if(self.velocity * wishdir < 0)\r
1340                                         airaccel = sv_airstopaccelerate*maxspd_mod;\r
1341                         // this doesn't play well with analog input, but can't r\r
1342                         // fixed like the AirControl can. So, don't set the maxa\r
1343                         // cvars when you want to support analog input.\r
1344                         if(self.movement_x == 0 && self.movement_y != 0)\r
1345                         {\r
1346                                 if(sv_maxairstrafespeed)\r
1347                                 {\r
1348                                         wishspeed = min(wishspeed, sv_maxairstrafespeed*maxspd_mod);\r
1349                                         if(sv_maxairstrafespeed < sv_maxairspeed)\r
1350                                                 airaccelqw = 1;\r
1351                                 }\r
1352                                 if(sv_airstrafeaccelerate)\r
1353                                 {\r
1354                                         airaccel = sv_airstrafeaccelerate*maxspd_mod;\r
1355                                         if(sv_airstrafeaccelerate > sv_airaccelerate)\r
1356                                                 airaccelqw = 1;\r
1357                                 }\r
1358                         }\r
1359                         // !CPM\r
1360 \r
1361                         if(sv_warsowbunny_turnaccel && accelerating && self.movement_y == 0 && self.movement_x != 0)\r
1362                                 PM_AirAccelerate(wishdir, wishspeed);\r
1363                         else\r
1364                                 PM_Accelerate(wishdir, wishspeed, wishspeed0, airaccel, airaccelqw, sv_airaccel_sideways_friction / maxairspd);\r
1365 \r
1366                         if(sv_aircontrol)\r
1367                                 CPM_PM_Aircontrol(wishdir, wishspeed2);\r
1368                 }\r
1369         }\r
1370 \r
1371         // execute dodging code\r
1372         dodging();\r
1373 \r
1374         if((g_cts || g_race) && self.classname != "observer") {\r
1375                 if(vlen(self.velocity - self.velocity_z * '0 0 1') > speedaward_speed) {\r
1376                         speedaward_speed = vlen(self.velocity - self.velocity_z * '0 0 1');\r
1377                         speedaward_holder = self.netname;\r
1378                         speedaward_lastupdate = time;\r
1379                 }\r
1380                 if(speedaward_speed > speedaward_lastsent && time - speedaward_lastupdate > 1) {\r
1381                         string rr;\r
1382                         if(g_cts)\r
1383                                 rr = CTS_RECORD;\r
1384                         else\r
1385                                 rr = RACE_RECORD;\r
1386                         race_send_speedaward(MSG_ALL);\r
1387                         speedaward_lastsent = speedaward_speed;\r
1388                         if (speedaward_speed > speedaward_alltimebest) {\r
1389                                 speedaward_alltimebest = speedaward_speed;\r
1390                                 speedaward_alltimebest_holder = speedaward_holder;\r
1391                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/speed"), ftos(speedaward_alltimebest));\r
1392                                 db_put(ServerProgsDB, strcat(GetMapname(), rr, "speed/netname"), speedaward_alltimebest_holder);\r
1393                                 race_send_speedaward_alltimebest(MSG_ALL);\r
1394                         }\r
1395                 }\r
1396         }\r
1397 \r
1398         if(vlen(self.velocity) > cvar("g_deathspeed"))\r
1399                 Damage(self, world, world, 100000, DEATH_KILL, self.origin, '0 0 0');\r
1400 \r
1401 :end\r
1402         if(self.flags & FL_ONGROUND)\r
1403                 self.lastground = time;\r
1404 \r
1405         self.lastflags = self.flags;\r
1406         self.lastclassname = self.classname;\r
1407 };\r